Remove lldb-perf

As discussed offline, this tool is no longer used or maintained, and
doesn't provide the right abstraction for performance tracking in lldb.

Differential revision: https://reviews.llvm.org/D64362

llvm-svn: 365391

26 files changed, 0 insertions, 4772 deletions

diff --git a/lldb/lldb.xcworkspace/contents.xcworkspacedata b/lldb/lldb.xcworkspace/contents.xcworkspacedata
index 3266d5b39e2..f92eeccdc23 100644
--- a/lldb/lldb.xcworkspace/contents.xcworkspacedata
+++ b/lldb/lldb.xcworkspace/contents.xcworkspacedata
@@ -7,7 +7,4 @@
    <FileRef
       location = "group:tools/debugserver/debugserver.xcodeproj">
    </FileRef>
-   <FileRef
-      location = "group:tools/lldb-perf/lldbperf.xcodeproj">
-   </FileRef>
 </Workspace>
diff --git a/lldb/tools/lldb-perf/README b/lldb/tools/lldb-perf/README
deleted file mode 100644
index 7cec4faac2c..00000000000
--- a/lldb/tools/lldb-perf/README
+++ /dev/null
@@ -1,295 +0,0 @@
- The lldb-perf infrastructure for LLDB performance testing
-===========================================================
-
-lldb-perf is an infrastructure meant to simplify the creation of performance 
-tests for the LLDB debugger. It is contained in liblldbperf.a which is part of
-the standard opensource checkout of LLDB
-
-Its main concepts are:
-- Gauges: a gauge is a thing that takes a sample. Samples include elapsed time,
-  memory used, and energy consumed.
-- Metrics: a metric is a collection of samples that knows how to do statistics
-  like sum() and average(). Metrics can be extended as needed.
-- Measurements: a measurement is the thing that stores an action, a gauge and
-  a metric. You define measurements as in “take the time to run this function”,
-  “take the memory to run this block of code”, and then after you invoke it, 
-  your stats will automagically be there.
-- Tests: a test is a sequence of steps and measurements.
-
-Tests cases should be added as targets to the lldbperf.xcodeproj project. It 
-is probably easiest to duplicate one of the existing targets. In order to 
-write a test based on lldb-perf, you need to subclass  lldb_perf::TestCase:
-
-using namespace lldb_perf;
-
-class FormattersTest : public TestCase
-{
-
-Usually, you will define measurements as variables of your test case class:
-
-private:
-    // C++ formatters
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_std_vector_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_std_list_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_std_map_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_std_string_measurement;
-
-    // Cocoa formatters
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsstring_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsarray_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsdictionary_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsset_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsbundle_measurement;
-    TimeMeasurement<std::function<void(SBValue)>> m_dump_nsdate_measurement;
-
-A TimeMeasurement is, obviously, a class that measures “how much time to run 
-this block of code”. The block of code is passed as an std::function which you
-can construct with a lambda! You need to give the prototype of your block of
-code. In this example, we run blocks of code that take an SBValue and return
-nothing.
-
-These blocks look like:
-
-    m_dump_std_vector_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "std-vector", "time to dump an std::vector");
-
-Here we are saying: make me a measurement named “std-vector”, whose 
-description is “time to dump an std::vector” and that takes the time required
-to call lldb_perf::Xcode::FetchVariable(value,1,false).
-
-The Xcode class is a collection of utility functions that replicate common
-Xcode patterns (FetchVariable unsurprisingly calls API functions that Xcode
-could use when populating a variables view entry - the 1 means “expand 1 level
-of depth” and the false means “do not dump the data to stdout”)
-
-A full constructor for a TestCase looks like:
-
-FormattersTest () : TestCase()
-{
-    m_dump_std_vector_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "std-vector", "time to dump an std::vector");
-    m_dump_std_list_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "std-list", "time to dump an std::list");
-    m_dump_std_map_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "std-map", "time to dump an std::map");
-    m_dump_std_string_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "std-string", "time to dump an std::string");
-    
-    m_dump_nsstring_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,0,false);
-    }, "ns-string", "time to dump an NSString");
-    
-    m_dump_nsarray_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "ns-array", "time to dump an NSArray");
-    
-    m_dump_nsdictionary_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "ns-dictionary", "time to dump an NSDictionary");
-    
-    m_dump_nsset_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "ns-set", "time to dump an NSSet");
-    
-    m_dump_nsbundle_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,1,false);
-    }, "ns-bundle", "time to dump an NSBundle");
-    
-    m_dump_nsdate_measurement = CreateTimeMeasurement([] (SBValue value) -> void {
-        lldb_perf::Xcode::FetchVariable (value,0,false);
-    }, "ns-date", "time to dump an NSDate");
-}
-
-Once your test case is constructed, Setup() is called on it:
-
-    virtual bool
-	Setup (int argc, const char** argv)
-    {
-        m_app_path.assign(argv[1]);
-        m_out_path.assign(argv[2]);
-        m_target = m_debugger.CreateTarget(m_app_path.c_str());
-        m_target.BreakpointCreateByName("main");
-        SBLaunchInfo launch_info (argv);
-        return Launch (launch_info);
-    }
-    
-Setup() returns a boolean value that indicates if setup was successful.
-In Setup() you fill out a SBLaunchInfo with any needed settings for launching
-your process like arguments, environment variables, working directory, and
-much more.
-
-The last thing you want to do in setup is call Launch():
-
-	bool
-	Launch (coSBLaunchInfo &launch_info);
-
-This ensures your target is now alive. Make sure to have a breakpoint created.
-
-Once you launched, the event loop is entered. The event loop waits for stops, 
-and when it gets one, it calls your test case’s TestStep() function:
-
-    virtual void
-	TestStep (int counter, ActionWanted &next_action)
-
-the counter is the step id (a monotonically increasing counter). In TestStep()
-you will essentially run your measurements and then return what you want the
-driver to do by filling in the ActionWanted object named "next_action".
-
-Possible options are:
-- continue process          next_action.Continue();
-- kill process              next_action.Kill();
-- Step-out on a thread      next_action.StepOut(SBThread)
-- step-over on a thread.    next_action.StepOver(SBThread)
-
-If you use ActionWanted::Next() or ActionWanted::Finish() you need to specify
-a thread to use. By default the TestCase class will select the first thread
-that had a stop reason other than eStopReasonNone and place it into the 
-m_thread member variable of TestCase. This means if your test case hits a
-breakpoint or steps, the thread that hit the breakpoint or finished the step
-will automatically be selected in the process (m_process) and m_thread will
-be set to this thread. If you have one or more threads that will stop with a
-reason simultaneously, you will need to find those threads manually by 
-iterating through the process list and determine what to do next.
-
-For your convenience TestCase has m_debugger, m_target and m_process as member
-variables. As state above m_thread will be filled in with the first thread 
-that has a stop reason.
-
-An example:
-
-    virtual void
-	TestStep (int counter, ActionWanted &next_action)
-    {
-        case 0:
-            m_target.BreakpointCreateByLocation("fmts_tester.mm", 68);
-            next_action.Continue();
-            break;
-        case 1:
-            DoTest ();
-            next_action.Continue();
-            break;
-        case 2:
-            DoTest ();
-            next_action.StepOver(m_thread);
-            break;
-
-DoTest() is a function I define in my own class that calls the measurements:
-    void
-    DoTest ()
-    {
-        SBThread thread_main(m_thread);
-        SBFrame frame_zero(thread_main.GetFrameAtIndex(0));
-        
-        m_dump_nsarray_measurement(frame_zero.FindVariable("nsarray", lldb::eDynamicCanRunTarget));
-        m_dump_nsarray_measurement(frame_zero.FindVariable("nsmutablearray", lldb::eDynamicCanRunTarget));
-
-        m_dump_nsdictionary_measurement(frame_zero.FindVariable("nsdictionary", lldb::eDynamicCanRunTarget));
-        m_dump_nsdictionary_measurement(frame_zero.FindVariable("nsmutabledictionary", lldb::eDynamicCanRunTarget));
-        
-        m_dump_nsstring_measurement(frame_zero.FindVariable("str0", lldb::eDynamicCanRunTarget));
-        m_dump_nsstring_measurement(frame_zero.FindVariable("str1", lldb::eDynamicCanRunTarget));
-        m_dump_nsstring_measurement(frame_zero.FindVariable("str2", lldb::eDynamicCanRunTarget));
-        m_dump_nsstring_measurement(frame_zero.FindVariable("str3", lldb::eDynamicCanRunTarget));
-        m_dump_nsstring_measurement(frame_zero.FindVariable("str4", lldb::eDynamicCanRunTarget));
-        
-        m_dump_nsdate_measurement(frame_zero.FindVariable("me", lldb::eDynamicCanRunTarget));
-        m_dump_nsdate_measurement(frame_zero.FindVariable("cutie", lldb::eDynamicCanRunTarget));
-        m_dump_nsdate_measurement(frame_zero.FindVariable("mom", lldb::eDynamicCanRunTarget));
-        m_dump_nsdate_measurement(frame_zero.FindVariable("dad", lldb::eDynamicCanRunTarget));
-        m_dump_nsdate_measurement(frame_zero.FindVariable("today", lldb::eDynamicCanRunTarget));
-        
-        m_dump_nsbundle_measurement(frame_zero.FindVariable("bundles", lldb::eDynamicCanRunTarget));
-        m_dump_nsbundle_measurement(frame_zero.FindVariable("frameworks", lldb::eDynamicCanRunTarget));
-        
-        m_dump_nsset_measurement(frame_zero.FindVariable("nsset", lldb::eDynamicCanRunTarget));
-        m_dump_nsset_measurement(frame_zero.FindVariable("nsmutableset", lldb::eDynamicCanRunTarget));
-        
-        m_dump_std_vector_measurement(frame_zero.FindVariable("vector", lldb::eDynamicCanRunTarget));
-        m_dump_std_list_measurement(frame_zero.FindVariable("list", lldb::eDynamicCanRunTarget));
-        m_dump_std_map_measurement(frame_zero.FindVariable("map", lldb::eDynamicCanRunTarget));
-
-        m_dump_std_string_measurement(frame_zero.FindVariable("sstr0", lldb::eDynamicCanRunTarget));
-        m_dump_std_string_measurement(frame_zero.FindVariable("sstr1", lldb::eDynamicCanRunTarget));
-        m_dump_std_string_measurement(frame_zero.FindVariable("sstr2", lldb::eDynamicCanRunTarget));
-        m_dump_std_string_measurement(frame_zero.FindVariable("sstr3", lldb::eDynamicCanRunTarget));
-        m_dump_std_string_measurement(frame_zero.FindVariable("sstr4", lldb::eDynamicCanRunTarget));
-    }
-
-Essentially, you call your measurements as if they were functions, passing 
-them arguments and all, and they will do the right thing with gathering stats.
-
-The last step is usually to KILL the inferior and bail out:
-
-    virtual ActionWanted
-	TestStep (int counter)
-    {
-...     
-        case 9:
-            DoTest ();
-            next_action.Continue();
-            break;
-        case 10:
-            DoTest ();
-            next_action.Continue();
-            break;
-        default:
-            next_action.Kill();
-            break;
-    }
-
-
-At the end, you define a Results() function:
-
-    void
-    Results ()
-    {
-        CFCMutableArray array;
-        m_dump_std_vector_measurement.Write(array);
-        m_dump_std_list_measurement.Write(array);
-        m_dump_std_map_measurement.Write(array);
-        m_dump_std_string_measurement.Write(array);
-
-        m_dump_nsstring_measurement.Write(array);
-        m_dump_nsarray_measurement.Write(array);
-        m_dump_nsdictionary_measurement.Write(array);
-        m_dump_nsset_measurement.Write(array);
-        m_dump_nsbundle_measurement.Write(array);
-        m_dump_nsdate_measurement.Write(array);
-
-        CFDataRef xmlData = CFPropertyListCreateData (kCFAllocatorDefault, 
-                                                      array.get(), 
-                                                      kCFPropertyListXMLFormat_v1_0, 
-                                                      0, 
-                                                      NULL);
-        
-        CFURLRef file = CFURLCreateFromFileSystemRepresentation (NULL, 
-                                                                 (const UInt8*)m_out_path.c_str(), 
-                                                                 m_out_path.size(), 
-                                                                 FALSE);
-        
-        CFURLWriteDataAndPropertiesToResource(file,xmlData,NULL,NULL);
-    }
-
-For now, pretty much copy this and just call Write() on all your measurements.
-I plan to move this higher in the hierarchy (e.g. make a 
-TestCase::Write(filename) fairly soon).
-
-Your main() will look like:
-
-int main(int argc, const char * argv[])
-{
-    MyTest test;
-    TestCase::Run (test, argc, argv);
-    return 0;
-}
-
-If you are debugging your test, before Run() call
-
-    test.SetVerbose(true);
-
-Feel free to send any questions and ideas for improvements.
diff --git a/lldb/tools/lldb-perf/common/clang/build-clang.sh b/lldb/tools/lldb-perf/common/clang/build-clang.sh
deleted file mode 100755
index 3d9add79c4a..00000000000
--- a/lldb/tools/lldb-perf/common/clang/build-clang.sh
+++ /dev/null
@@ -1,33 +0,0 @@
-#!/bin/bash
-
-if [ -d "llvm-build" ]; then
-    echo "Using existing 'llvm-build' directory..."    
-else
-    mkdir llvm-build
-fi
-
-cd llvm-build
-
-if [ -d "llvm" ]; then
-    echo "Using existing 'llvm' directory..."
-else
-    svn co --revision 176809 http://llvm.org/svn/llvm-project/llvm/trunk llvm
-    ( cd llvm/tools ; svn co --revision 176809 http://llvm.org/svn/llvm-project/cfe/trunk clang )
-fi
-
-if [ ! -d "build" ]; then
-    mkdir build
-    cd build
-    ../llvm/configure --enable-targets=x86_64,arm --build=x86_64-apple-darwin10 --disable-optimized --disable-assertions --enable-libcpp
-    make -j8 clang-only DEBUG_SYMBOLS=1
-    rm -rf lib projects runtime unittests utils config.*
-    ( cd ./Debug/bin ; rm -rf ll* clang-check clang-tblgen count diagtool fpcmp macho-dump not opt yaml2obj FileCheck FileUpdate arcmt-test c-arcmt-test c-index-test bugpoint )
-    ( cd ./tools ; rm -rf ll* clang-check clang-tblgen count diagtool fpcmp lto macho-dump not opt yaml2obj FileCheck FileUpdate arcmt-test c-arcmt-test c-index-test bugpoint )
-    ( cd ./tools/clang ; rm -rf lib unittests utils )
-    ( cd ./tools/clang/tools ; rm -rf arcmt-test c-arcmt-test c-index-test clang-check diagtool libclang )
-    ( cd ../llvm ; rm -rf cmake configure docs examples projects *.txt *.TXT autoconf bindings test unittests utils ; find . -type d -name .svn -print0 | xargs -0 rm -rf )
-    ( cd ../llvm/tools ; rm -rf *.txt bugpoint bugpoint-passes ll* lto macho-dump opt gold )
-fi
-
-
-
diff --git a/lldb/tools/lldb-perf/common/clang/lldb_perf_clang.cpp b/lldb/tools/lldb-perf/common/clang/lldb_perf_clang.cpp
deleted file mode 100644
index 4fc359db5c7..00000000000
--- a/lldb/tools/lldb-perf/common/clang/lldb_perf_clang.cpp
+++ /dev/null
@@ -1,441 +0,0 @@
-//===-- lldb_perf_clang.cpp -------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "lldb-perf/lib/Measurement.h"
-#include "lldb-perf/lib/Metric.h"
-#include "lldb-perf/lib/Results.h"
-#include "lldb-perf/lib/TestCase.h"
-#include "lldb-perf/lib/Timer.h"
-#include "lldb-perf/lib/Xcode.h"
-#include "llvm/ADT/STLExtras.h"
-#include <fstream>
-#include <getopt.h>
-#include <iostream>
-#include <unistd.h>
-
-using namespace lldb_perf;
-
-#define NUM_EXPR_ITERATIONS 3
-class ClangTest : public TestCase {
-public:
-  ClangTest()
-      : TestCase(),
-        m_time_create_target(
-            [this]() -> void {
-              m_memory_change_create_target.Start();
-              m_target = m_debugger.CreateTarget(m_exe_path.c_str());
-              m_memory_change_create_target.Stop();
-            },
-            "time-create-target", "The time it takes to create a target."),
-        m_time_set_bp_main(
-            [this]() -> void {
-              m_memory_change_break_main.Start();
-              m_target.BreakpointCreateByName("main");
-              m_memory_change_break_main.Stop();
-            },
-            "time-set-break-main",
-            "Elapsed time it takes to set a breakpoint at 'main' by name."),
-        m_memory_change_create_target(), m_memory_change_break_main(),
-        m_memory_total(), m_time_launch_stop_main(), m_time_total(),
-        m_expr_first_evaluate(
-            [this](SBFrame frame) -> void {
-              frame.EvaluateExpression("Diags.DiagArgumentsStr[0].size()")
-                  .GetError();
-            },
-            "time-expr", "Elapsed time it takes to evaluate an expression for "
-                         "the first time."),
-        m_expr_frame_zero(
-            [this](SBFrame frame) -> void {
-              frame.EvaluateExpression("Diags.DiagArgumentsStr[0].size()")
-                  .GetError();
-            },
-            "time-expr-frame-zero", "Elapsed time it takes to evaluate an "
-                                    "expression 3 times at frame zero."),
-        m_expr_frame_non_zero(
-            [this](SBFrame frame) -> void {
-              frame.EvaluateExpression("Diags.DiagArgumentsStr[0].size()")
-                  .GetError();
-            },
-            "time-expr-frame-non-zero", "Elapsed time it takes to evaluate an "
-                                        "expression 3 times at a non-zero "
-                                        "frame."),
-        m_exe_path(), m_out_path(), m_launch_info(NULL), m_use_dsym(false) {}
-
-  virtual ~ClangTest() {}
-
-  virtual bool Setup(int &argc, const char **&argv) {
-    if (m_exe_path.empty())
-      return false;
-    m_launch_info.SetArguments(argv, false);
-    return true;
-  }
-
-  void DoTest() {}
-
-  virtual void TestStep(int counter, ActionWanted &next_action) {
-    char temp_source_path[PATH_MAX] = "/tmp/main.XXXXXX.cpp";
-
-    switch (counter) {
-    case 0: {
-      // Xcode::RunCommand(m_debugger,"log enable -f /tmp/packets.txt gdb-remote
-      // packets",true);
-
-      m_memory_total.Start();
-      m_time_total.Start();
-
-      // Time creating the target
-      m_time_create_target();
-
-      m_time_set_bp_main();
-
-      int fd = mkstemps(temp_source_path, 4);
-
-      if (fd >= 0) {
-        const char *source_content = R"(
-#include <stdint.h>
-#include <stdio.h>
-#include <vector>
-                        
-namespace {
-    struct Foo
-    {
-        int i; int j;
-    };
-    void doit (const Foo &foo)
-    {
-        printf ("doit(%i)\n", foo.i);
-    }
-}
-                        
-int main (int argc, char const *argv[], char const *envp[])
-{
-    std::vector<int> ints;
-    for (int i=0;i<10;++i)
-    ints.push_back(i);
-    printf ("hello world\n");
-    Foo foo = { 12, 13 };
-    doit (foo);
-    return 0;
-}
-)";
-        write(fd, source_content, strlen(source_content));
-        close(fd);
-      } else {
-        const char *error_cstr = strerror(errno);
-        fprintf(stderr,
-                "error: failed to created temporary source file: '%s' (%s)",
-                temp_source_path, error_cstr);
-        exit(2);
-      }
-
-      m_time_launch_stop_main.Start();
-      const char *clang_argv[] = {"-cc1",
-                                  "-triple",
-                                  "x86_64-apple-macosx10.8.0",
-                                  "-emit-obj",
-                                  "-mrelax-all",
-                                  "-disable-free",
-                                  "-disable-llvm-verifier",
-                                  "-main-file-name",
-                                  "main.cpp",
-                                  "-mrelocation-model",
-                                  "pic",
-                                  "-pic-level",
-                                  "2",
-                                  "-mdisable-fp-elim",
-                                  "-masm-verbose",
-                                  "-munwind-tables",
-                                  "-target-cpu",
-                                  "core2",
-                                  "-target-linker-version",
-                                  "132.10.1",
-                                  "-v",
-                                  "-g",
-                                  "-O0",
-                                  "-fdeprecated-macro",
-                                  "-ferror-limit",
-                                  "19",
-                                  "-fmessage-length",
-                                  "298",
-                                  "-stack-protector",
-                                  "1",
-                                  "-mstackrealign",
-                                  "-fblocks",
-                                  "-fobjc-runtime=macosx-10.8.0",
-                                  "-fobjc-dispatch-method=mixed",
-                                  "-fencode-extended-block-signature",
-                                  "-fcxx-exceptions",
-                                  "-fexceptions",
-                                  "-fdiagnostics-show-option",
-                                  "-fcolor-diagnostics",
-                                  "-backend-option",
-                                  "-vectorize-loops",
-                                  "-o",
-                                  "/tmp/main.o",
-                                  "-x",
-                                  "c++",
-                                  NULL,
-                                  NULL};
-      clang_argv[llvm::array_lengthof(clang_argv) - 2] = temp_source_path;
-      SBLaunchInfo launch_info(clang_argv);
-      Launch(launch_info);
-      next_action
-          .None(); // Don't continue or do anything, just wait for next event...
-    } break;
-    case 1: {
-      m_time_launch_stop_main.Stop();
-      m_time_total.Stop();
-      SBFrame frame(m_thread.GetFrameAtIndex(0));
-
-      // Time the first expression evaluation
-      m_expr_first_evaluate(frame);
-
-      SBValue result;
-      for (size_t i = 0; i < NUM_EXPR_ITERATIONS; ++i) {
-        m_expr_frame_zero(frame);
-      }
-      m_target.BreakpointCreateByName("DeclContext::lookup");
-      next_action.Continue();
-    } break;
-    case 2: {
-      SBFrame frame(m_thread.GetFrameAtIndex(21));
-      SBValue result;
-      for (size_t i = 0; i < NUM_EXPR_ITERATIONS; ++i) {
-        m_expr_frame_non_zero(frame);
-      }
-      next_action.Continue();
-    } break;
-    default:
-      m_memory_total.Stop();
-      next_action.Kill();
-      break;
-    }
-  }
-
-  void WriteResults(Results &results) {
-    Results::Dictionary &results_dict = results.GetDictionary();
-
-    m_time_set_bp_main.WriteAverageAndStandardDeviation(results);
-    results_dict.Add(
-        "memory-change-create-target",
-        "Memory increase that occurs due to creating the target.",
-        m_memory_change_create_target.GetDeltaValue().GetResult(NULL, NULL));
-
-    results_dict.Add(
-        "memory-change-break-main", "Memory increase that occurs due to "
-                                    "setting a breakpoint at main by name.",
-        m_memory_change_break_main.GetDeltaValue().GetResult(NULL, NULL));
-
-    m_time_create_target.WriteAverageAndStandardDeviation(results);
-    m_expr_first_evaluate.WriteAverageAndStandardDeviation(results);
-    m_expr_frame_zero.WriteAverageAndStandardDeviation(results);
-    m_expr_frame_non_zero.WriteAverageAndStandardDeviation(results);
-    results_dict.Add("memory-total-break-main",
-                     "The total memory that the current process is using after "
-                     "setting the first breakpoint.",
-                     m_memory_total.GetStopValue().GetResult(NULL, NULL));
-
-    results_dict.AddDouble(
-        "time-launch-stop-main",
-        "The time it takes to launch the process and stop at main.",
-        m_time_launch_stop_main.GetDeltaValue());
-
-    results_dict.AddDouble(
-        "time-total", "The time it takes to create the target, set breakpoint "
-                      "at main, launch clang and hit the breakpoint at main.",
-        m_time_total.GetDeltaValue());
-    results.Write(GetResultFilePath());
-  }
-
-  const char *GetExecutablePath() const {
-    if (m_exe_path.empty())
-      return NULL;
-    return m_exe_path.c_str();
-  }
-
-  const char *GetResultFilePath() const {
-    if (m_out_path.empty())
-      return NULL;
-    return m_out_path.c_str();
-  }
-
-  void SetExecutablePath(const char *path) {
-    if (path && path[0])
-      m_exe_path = path;
-    else
-      m_exe_path.clear();
-  }
-
-  void SetResultFilePath(const char *path) {
-    if (path && path[0])
-      m_out_path = path;
-    else
-      m_out_path.clear();
-  }
-
-  void SetUseDSYM(bool b) { m_use_dsym = b; }
-
-private:
-  // C++ formatters
-  TimeMeasurement<std::function<void()>> m_time_create_target;
-  TimeMeasurement<std::function<void()>> m_time_set_bp_main;
-  MemoryGauge m_memory_change_create_target;
-  MemoryGauge m_memory_change_break_main;
-  MemoryGauge m_memory_total;
-  TimeGauge m_time_launch_stop_main;
-  TimeGauge m_time_total;
-  TimeMeasurement<std::function<void(SBFrame)>> m_expr_first_evaluate;
-  TimeMeasurement<std::function<void(SBFrame)>> m_expr_frame_zero;
-  TimeMeasurement<std::function<void(SBFrame)>> m_expr_frame_non_zero;
-  std::string m_exe_path;
-  std::string m_out_path;
-  SBLaunchInfo m_launch_info;
-  bool m_use_dsym;
-};
-
-struct Options {
-  std::string clang_path;
-  std::string out_file;
-  bool verbose;
-  bool use_dsym;
-  bool error;
-  bool print_help;
-
-  Options() : verbose(false), error(false), print_help(false) {}
-};
-
-static struct option g_long_options[] = {
-    {"verbose", no_argument, NULL, 'v'},
-    {"clang", required_argument, NULL, 'c'},
-    {"out-file", required_argument, NULL, 'o'},
-    {"dsym", no_argument, NULL, 'd'},
-    {NULL, 0, NULL, 0}};
-
-std::string GetShortOptionString(struct option *long_options) {
-  std::string option_string;
-  for (int i = 0; long_options[i].name != NULL; ++i) {
-    if (long_options[i].flag == NULL) {
-      option_string.push_back((char)long_options[i].val);
-      switch (long_options[i].has_arg) {
-      default:
-      case no_argument:
-        break;
-      case required_argument:
-        option_string.push_back(':');
-        break;
-      case optional_argument:
-        option_string.append(2, ':');
-        break;
-      }
-    }
-  }
-  return option_string;
-}
-
-int main(int argc, const char *argv[]) {
-
-  // Prepare for & make calls to getopt_long_only.
-
-  std::string short_option_string(GetShortOptionString(g_long_options));
-
-  ClangTest test;
-
-  Options option_data;
-  bool done = false;
-
-#if __GLIBC__
-  optind = 0;
-#else
-  optreset = 1;
-  optind = 1;
-#endif
-  while (!done) {
-    int long_options_index = -1;
-    const int short_option = ::getopt_long_only(
-        argc, const_cast<char **>(argv), short_option_string.c_str(),
-        g_long_options, &long_options_index);
-
-    switch (short_option) {
-    case 0:
-      // Already handled
-      break;
-
-    case -1:
-      done = true;
-      break;
-
-    case '?':
-      option_data.print_help = true;
-      break;
-
-    case 'h':
-      option_data.print_help = true;
-      break;
-
-    case 'v':
-      option_data.verbose = true;
-      break;
-
-    case 'c': {
-      SBFileSpec file(optarg);
-      if (file.Exists())
-        test.SetExecutablePath(optarg);
-      else
-        fprintf(stderr, "error: file specified in --clang (-c) option doesn't "
-                        "exist: '%s'\n",
-                optarg);
-    } break;
-
-    case 'o':
-      test.SetResultFilePath(optarg);
-      break;
-
-    case 'd':
-      test.SetUseDSYM(true);
-      break;
-
-    default:
-      option_data.error = true;
-      option_data.print_help = true;
-      fprintf(stderr, "error: unrecognized option %c\n", short_option);
-      break;
-    }
-  }
-
-  if (test.GetExecutablePath() == NULL) {
-    // --clang is mandatory
-    option_data.print_help = true;
-    option_data.error = true;
-    fprintf(stderr, "error: the '--clang=PATH' option is mandatory\n");
-  }
-
-  if (option_data.print_help) {
-    puts(R"(
-NAME
-    lldb_perf_clang -- a tool that measures LLDB peformance while debugging clang.
-
-SYNOPSIS
-    lldb_perf_clang --clang=PATH [--out-file=PATH --verbose --dsym] -- [clang options]
-             
-DESCRIPTION
-    Runs a set of static timing and memory tasks against clang and outputs results
-    to a plist file.
-)");
-  }
-  if (option_data.error) {
-    exit(1);
-  }
-
-  // Update argc and argv after parsing options
-  argc -= optind;
-  argv += optind;
-
-  test.SetVerbose(true);
-  TestCase::Run(test, argc, argv);
-  return 0;
-}
diff --git a/lldb/tools/lldb-perf/common/clang/main.cpp b/lldb/tools/lldb-perf/common/clang/main.cpp
deleted file mode 100644
index 318a26b2c28..00000000000
--- a/lldb/tools/lldb-perf/common/clang/main.cpp
+++ /dev/null
@@ -1,20 +0,0 @@
-#include <stdint.h>
-#include <stdio.h>
-#include <vector>
-
-namespace {
-struct Foo {
-  int i;
-  int j;
-};
-void doit(const Foo &foo) { printf("doit(%i)\n", foo.i); }
-}
-int main(int argc, char const *argv[], char const *envp[]) {
-  std::vector<int> ints;
-  for (int i = 0; i < 10; ++i)
-    ints.push_back(i);
-  printf("hello world\n");
-  Foo foo = {12, 13};
-  doit(foo);
-  return 0;
-}
diff --git a/lldb/tools/lldb-perf/common/stepping/lldb-perf-stepping.cpp b/lldb/tools/lldb-perf/common/stepping/lldb-perf-stepping.cpp
deleted file mode 100644
index 0df8bdc9fdc..00000000000
--- a/lldb/tools/lldb-perf/common/stepping/lldb-perf-stepping.cpp
+++ /dev/null
@@ -1,287 +0,0 @@
-#include <CoreFoundation/CoreFoundation.h>
-
-#include "lldb-perf/lib/Measurement.h"
-#include "lldb-perf/lib/Metric.h"
-#include "lldb-perf/lib/TestCase.h"
-#include "lldb-perf/lib/Timer.h"
-#include "lldb-perf/lib/Xcode.h"
-
-#include <getopt.h>
-#include <string>
-#include <unistd.h>
-
-using namespace lldb_perf;
-
-class StepTest : public TestCase {
-  typedef void (*no_function)(void);
-
-public:
-  StepTest(bool use_single_stepping = false)
-      : m_main_source("stepping-testcase.cpp"),
-        m_use_single_stepping(use_single_stepping),
-        m_time_measurements(nullptr) {}
-
-  virtual ~StepTest() {}
-
-  virtual bool Setup(int &argc, const char **&argv) {
-    TestCase::Setup(argc, argv);
-
-    // Toggle the fast stepping command on or off as required.
-    const char *single_step_cmd = "settings set target.use-fast-stepping false";
-    const char *fast_step_cmd = "settings set target.use-fast-stepping true";
-    const char *cmd_to_use;
-
-    if (m_use_single_stepping)
-      cmd_to_use = single_step_cmd;
-    else
-      cmd_to_use = fast_step_cmd;
-
-    SBCommandReturnObject return_object;
-    m_debugger.GetCommandInterpreter().HandleCommand(cmd_to_use, return_object);
-    if (!return_object.Succeeded()) {
-      if (return_object.GetError() != NULL)
-        printf("Got an error running settings set: %s.\n",
-               return_object.GetError());
-      else
-        printf("Failed running settings set, no error.\n");
-    }
-
-    m_target = m_debugger.CreateTarget(m_app_path.c_str());
-    m_first_bp = m_target.BreakpointCreateBySourceRegex(
-        "Here is some code to stop at originally.", m_main_source);
-
-    const char *file_arg = m_app_path.c_str();
-    const char *empty = nullptr;
-    const char *args[] = {file_arg, empty};
-    SBLaunchInfo launch_info(args);
-
-    return Launch(launch_info);
-  }
-
-  void WriteResults(Results &results) {
-    // Gotta turn off the last timer now.
-    m_individual_step_times.push_back(m_time_measurements.Stop());
-
-    size_t num_time_measurements = m_individual_step_times.size();
-
-    Results::Dictionary &results_dict = results.GetDictionary();
-    const char *short_format_string = "step-time-%0.2d";
-    const size_t short_size = strlen(short_format_string) + 5;
-    char short_buffer[short_size];
-    const char *long_format_string =
-        "The time it takes for step %d in the step sequence.";
-    const size_t long_size = strlen(long_format_string) + 5;
-    char long_buffer[long_size];
-
-    for (size_t i = 0; i < num_time_measurements; i++) {
-      snprintf(short_buffer, short_size, short_format_string, i);
-      snprintf(long_buffer, long_size, long_format_string, i);
-
-      results_dict.AddDouble(short_buffer, long_buffer,
-                             m_individual_step_times[i]);
-    }
-    results_dict.AddDouble("total-time", "Total time spent stepping.",
-                           m_time_measurements.GetMetric().GetSum());
-    results_dict.AddDouble(
-        "stddev-time", "StdDev of time spent stepping.",
-        m_time_measurements.GetMetric().GetStandardDeviation());
-
-    results.Write(m_out_path.c_str());
-  }
-
-  const char *GetExecutablePath() const {
-    if (m_app_path.empty())
-      return NULL;
-    return m_app_path.c_str();
-  }
-
-  const char *GetResultFilePath() const {
-    if (m_out_path.empty())
-      return NULL;
-    return m_out_path.c_str();
-  }
-
-  void SetExecutablePath(const char *path) {
-    if (path && path[0])
-      m_app_path = path;
-    else
-      m_app_path.clear();
-  }
-
-  void SetResultFilePath(const char *path) {
-    if (path && path[0])
-      m_out_path = path;
-    else
-      m_out_path.clear();
-  }
-
-  void SetUseSingleStep(bool use_it) { m_use_single_stepping = use_it; }
-
-private:
-  virtual void TestStep(int counter, ActionWanted &next_action) {
-    if (counter > 0) {
-      m_individual_step_times.push_back(m_time_measurements.Stop());
-    }
-
-    // Disable the breakpoint, just in case it gets multiple locations we don't
-    // want that confusing the stepping.
-    if (counter == 0)
-      m_first_bp.SetEnabled(false);
-
-    next_action.StepOver(m_process.GetThreadAtIndex(0));
-    m_time_measurements.Start();
-  }
-
-  SBBreakpoint m_first_bp;
-  SBFileSpec m_main_source;
-  TimeMeasurement<no_function> m_time_measurements;
-  std::vector<double> m_individual_step_times;
-  bool m_use_single_stepping;
-  std::string m_app_path;
-  std::string m_out_path;
-};
-
-struct Options {
-  std::string test_file_path;
-  std::string out_file;
-  bool verbose;
-  bool fast_step;
-  bool error;
-  bool print_help;
-
-  Options()
-      : verbose(false), fast_step(true), error(false), print_help(false) {}
-};
-
-static struct option g_long_options[] = {
-    {"verbose", no_argument, NULL, 'v'},
-    {"single-step", no_argument, NULL, 's'},
-    {"test-file", required_argument, NULL, 't'},
-    {"out-file", required_argument, NULL, 'o'},
-    {NULL, 0, NULL, 0}};
-
-std::string GetShortOptionString(struct option *long_options) {
-  std::string option_string;
-  for (int i = 0; long_options[i].name != NULL; ++i) {
-    if (long_options[i].flag == NULL) {
-      option_string.push_back((char)long_options[i].val);
-      switch (long_options[i].has_arg) {
-      default:
-      case no_argument:
-        break;
-      case required_argument:
-        option_string.push_back(':');
-        break;
-      case optional_argument:
-        option_string.append(2, ':');
-        break;
-      }
-    }
-  }
-  return option_string;
-}
-
-int main(int argc, const char *argv[]) {
-
-  // Prepare for & make calls to getopt_long_only.
-
-  std::string short_option_string(GetShortOptionString(g_long_options));
-
-  StepTest test;
-
-  Options option_data;
-  bool done = false;
-
-#if __GLIBC__
-  optind = 0;
-#else
-  optreset = 1;
-  optind = 1;
-#endif
-  while (!done) {
-    int long_options_index = -1;
-    const int short_option = ::getopt_long_only(
-        argc, const_cast<char **>(argv), short_option_string.c_str(),
-        g_long_options, &long_options_index);
-
-    switch (short_option) {
-    case 0:
-      // Already handled
-      break;
-
-    case -1:
-      done = true;
-      break;
-
-    case '?':
-      option_data.print_help = true;
-      break;
-
-    case 'h':
-      option_data.print_help = true;
-      break;
-
-    case 'v':
-      option_data.verbose = true;
-      break;
-
-    case 's':
-      option_data.fast_step = false;
-      test.SetUseSingleStep(true);
-      break;
-
-    case 't': {
-      SBFileSpec file(optarg);
-      if (file.Exists())
-        test.SetExecutablePath(optarg);
-      else
-        fprintf(stderr, "error: file specified in --test-file (-t) option "
-                        "doesn't exist: '%s'\n",
-                optarg);
-    } break;
-
-    case 'o':
-      test.SetResultFilePath(optarg);
-      break;
-
-    default:
-      option_data.error = true;
-      option_data.print_help = true;
-      fprintf(stderr, "error: unrecognized option %c\n", short_option);
-      break;
-    }
-  }
-
-  if (option_data.print_help) {
-    puts(R"(
-NAME
-    lldb-perf-stepping -- a tool that measures LLDB peformance of simple stepping operations.
-
-SYNOPSIS
-    lldb-perf-stepping --test-file=FILE [--out-file=PATH --verbose --fast-step]
-             
-DESCRIPTION
-    Runs a set of stepping operations, timing each step and outputs results
-    to a plist file.
-)");
-    exit(0);
-  }
-  if (option_data.error) {
-    exit(1);
-  }
-
-  if (test.GetExecutablePath() == NULL) {
-    // --clang is mandatory
-    option_data.print_help = true;
-    option_data.error = true;
-    fprintf(stderr, "error: the '--test-file=PATH' option is mandatory\n");
-  }
-
-  // Update argc and argv after parsing options
-  argc -= optind;
-  argv += optind;
-
-  test.SetVerbose(true);
-  TestCase::Run(test, argc, argv);
-  return 0;
-}
diff --git a/lldb/tools/lldb-perf/common/stepping/stepping-testcase.cpp b/lldb/tools/lldb-perf/common/stepping/stepping-testcase.cpp
deleted file mode 100644
index 50f0164a217..00000000000
--- a/lldb/tools/lldb-perf/common/stepping/stepping-testcase.cpp
+++ /dev/null
@@ -1,35 +0,0 @@
-#include <stdio.h>
-#include <string>
-#include <vector>
-
-struct struct_for_copying {
-  struct_for_copying(int in_int, double in_double, const char *in_string)
-      : int_value(in_int), double_value(in_double), string_value(in_string) {}
-  struct_for_copying() { struct_for_copying(0, 0, ""); }
-
-  int int_value;
-  double double_value;
-  std::string string_value;
-};
-
-int main(int argc, char **argv) {
-  struct_for_copying input_struct(150 * argc, 10.0 * argc, argv[0]);
-  struct_for_copying output_struct;
-  int some_int = 44;
-  double some_double = 34.5;
-  double other_double;
-  size_t vector_size;
-  std::vector<struct_for_copying> my_vector;
-
-  printf("Here is some code to stop at originally.  Got: %d, %p.\n", argc,
-         argv);
-  output_struct = input_struct;
-  other_double = (some_double * some_int) / ((double)argc);
-  other_double = other_double > 0
-                     ? some_double / other_double
-                     : some_double > 0 ? other_double / some_double : 10.0;
-  my_vector.push_back(input_struct);
-  vector_size = my_vector.size();
-
-  return vector_size == 0 ? 0 : 1;
-}
diff --git a/lldb/tools/lldb-perf/darwin/formatters/fmts_tester.mm b/lldb/tools/lldb-perf/darwin/formatters/fmts_tester.mm
deleted file mode 100644
index b5f8bc0aaec..00000000000
--- a/lldb/tools/lldb-perf/darwin/formatters/fmts_tester.mm
+++ /dev/null
@@ -1,81 +0,0 @@
-//===-- fmts_tester.cpp -----------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#import <Cocoa/Cocoa.h>
-#include <list>
-#include <map>
-#include <string>
-#include <vector>
-
-int main() {
-  NSArray *nsarray = @[ @1, @2, @"hello world", @3, @4, @"foobar" ];
-  NSMutableArray *nsmutablearray = [[NSMutableArray alloc] initWithCapacity:5];
-  [nsmutablearray addObject:@1];
-  [nsmutablearray addObject:@2];
-  [nsmutablearray addObject:@"hello world"];
-  [nsmutablearray addObject:@3];
-  [nsmutablearray addObject:@4];
-  [nsmutablearray addObject:@"foobar"];
-  NSDictionary *nsdictionary =
-      @{ @1 : @1,
-         @2 : @2,
-         @"hello" : @"world",
-         @3 : @3 };
-  NSMutableDictionary *nsmutabledictionary =
-      [[NSMutableDictionary alloc] initWithCapacity:5];
-  [nsmutabledictionary setObject:@1 forKey:@1];
-  [nsmutabledictionary setObject:@2 forKey:@2];
-  [nsmutabledictionary setObject:@"hello" forKey:@"world"];
-  [nsmutabledictionary setObject:@3 forKey:@3];
-  NSString *str0 = @"Hello world";
-  NSString *str1 = @"Hello ℥";
-  NSString *str2 = @"Hello world";
-  NSString *str3 = @"Hello ℥";
-  NSString *str4 = @"Hello world";
-  NSDate *me = [NSDate dateWithNaturalLanguageString:@"April 10, 1985"];
-  NSDate *cutie = [NSDate dateWithNaturalLanguageString:@"January 29, 1983"];
-  NSDate *mom = [NSDate dateWithNaturalLanguageString:@"May 24, 1959"];
-  NSDate *dad = [NSDate dateWithNaturalLanguageString:@"October 29, 1954"];
-  NSDate *today = [NSDate dateWithNaturalLanguageString:@"March 14, 2013"];
-  NSArray *bundles = [NSBundle allBundles];
-  NSArray *frameworks = [NSBundle allFrameworks];
-  NSSet *nsset = [NSSet setWithArray:nsarray];
-  NSMutableSet *nsmutableset = [NSMutableSet setWithCapacity:5];
-  [nsmutableset addObject:@1];
-  [nsmutableset addObject:@2];
-  [nsmutableset addObject:@"hello world"];
-  [nsmutableset addObject:@3];
-  [nsmutableset addObject:@4];
-  [nsmutableset addObject:@"foobar"];
-  std::vector<int> vector;
-  vector.push_back(1);
-  vector.push_back(2);
-  vector.push_back(3);
-  vector.push_back(4);
-  vector.push_back(5);
-  std::list<int> list;
-  list.push_back(1);
-  list.push_back(2);
-  list.push_back(3);
-  list.push_back(4);
-  list.push_back(5);
-  std::map<int, int> map;
-  map[1] = 1;
-  map[2] = 2;
-  map[3] = 3;
-  map[4] = 4;
-  map[5] = 5;
-  std::string sstr0("Hello world");
-  std::string sstr1("Hello world");
-  std::string sstr2("Hello world");
-  std::string sstr3("Hello world");
-  std::string sstr4("Hello world");
-  int x = 0;
-  for (;;)
-    x++;
-}
\ No newline at end of file
diff --git a/lldb/tools/lldb-perf/darwin/formatters/formatters.cpp b/lldb/tools/lldb-perf/darwin/formatters/formatters.cpp
deleted file mode 100644
index 822102aa7bb..00000000000
--- a/lldb/tools/lldb-perf/darwin/formatters/formatters.cpp
+++ /dev/null
@@ -1,267 +0,0 @@
-//===-- formatters.cpp ------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include <CoreFoundation/CoreFoundation.h>
-
-#include "lldb-perf/lib/Measurement.h"
-#include "lldb-perf/lib/Metric.h"
-#include "lldb-perf/lib/TestCase.h"
-#include "lldb-perf/lib/Timer.h"
-#include "lldb-perf/lib/Xcode.h"
-
-#include <fstream>
-#include <iostream>
-#include <unistd.h>
-
-using namespace lldb_perf;
-
-class FormattersTest : public TestCase {
-public:
-  FormattersTest() : TestCase() {
-    m_dump_std_vector_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "std-vector", "time to dump an std::vector");
-    m_dump_std_list_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "std-list", "time to dump an std::list");
-    m_dump_std_map_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "std-map", "time to dump an std::map");
-
-    // use this in manual mode
-    m_dump_std_string_measurement = CreateTimeMeasurement(
-        []() -> void {}, "std-string", "time to dump an std::string");
-
-    m_dump_nsstring_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 0, false);
-        },
-        "ns-string", "time to dump an NSString");
-
-    m_dump_nsarray_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "ns-array", "time to dump an NSArray");
-
-    m_dump_nsdictionary_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "ns-dictionary", "time to dump an NSDictionary");
-
-    m_dump_nsset_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "ns-set", "time to dump an NSSet");
-
-    m_dump_nsbundle_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 1, false);
-        },
-        "ns-bundle", "time to dump an NSBundle");
-
-    m_dump_nsdate_measurement = CreateTimeMeasurement(
-        [](SBValue value) -> void {
-          lldb_perf::Xcode::FetchVariable(value, 0, false);
-        },
-        "ns-date", "time to dump an NSDate");
-  }
-
-  virtual ~FormattersTest() {}
-
-  virtual bool Setup(int &argc, const char **&argv) {
-    m_app_path.assign(argv[1]);
-    m_out_path.assign(argv[2]);
-    m_target = m_debugger.CreateTarget(m_app_path.c_str());
-    m_target.BreakpointCreateByName("main");
-    SBLaunchInfo launch_info(argv);
-    return Launch(launch_info);
-  }
-
-  void DoTest() {
-    SBFrame frame_zero(m_thread.GetFrameAtIndex(0));
-
-    m_dump_nsarray_measurement(
-        frame_zero.FindVariable("nsarray", lldb::eDynamicCanRunTarget));
-    m_dump_nsarray_measurement(
-        frame_zero.FindVariable("nsmutablearray", lldb::eDynamicCanRunTarget));
-
-    m_dump_nsdictionary_measurement(
-        frame_zero.FindVariable("nsdictionary", lldb::eDynamicCanRunTarget));
-    m_dump_nsdictionary_measurement(frame_zero.FindVariable(
-        "nsmutabledictionary", lldb::eDynamicCanRunTarget));
-
-    m_dump_nsstring_measurement(
-        frame_zero.FindVariable("str0", lldb::eDynamicCanRunTarget));
-    m_dump_nsstring_measurement(
-        frame_zero.FindVariable("str1", lldb::eDynamicCanRunTarget));
-    m_dump_nsstring_measurement(
-        frame_zero.FindVariable("str2", lldb::eDynamicCanRunTarget));
-    m_dump_nsstring_measurement(
-        frame_zero.FindVariable("str3", lldb::eDynamicCanRunTarget));
-    m_dump_nsstring_measurement(
-        frame_zero.FindVariable("str4", lldb::eDynamicCanRunTarget));
-
-    m_dump_nsdate_measurement(
-        frame_zero.FindVariable("me", lldb::eDynamicCanRunTarget));
-    m_dump_nsdate_measurement(
-        frame_zero.FindVariable("cutie", lldb::eDynamicCanRunTarget));
-    m_dump_nsdate_measurement(
-        frame_zero.FindVariable("mom", lldb::eDynamicCanRunTarget));
-    m_dump_nsdate_measurement(
-        frame_zero.FindVariable("dad", lldb::eDynamicCanRunTarget));
-    m_dump_nsdate_measurement(
-        frame_zero.FindVariable("today", lldb::eDynamicCanRunTarget));
-
-    m_dump_nsbundle_measurement(
-        frame_zero.FindVariable("bundles", lldb::eDynamicCanRunTarget));
-    m_dump_nsbundle_measurement(
-        frame_zero.FindVariable("frameworks", lldb::eDynamicCanRunTarget));
-
-    m_dump_nsset_measurement(
-        frame_zero.FindVariable("nsset", lldb::eDynamicCanRunTarget));
-    m_dump_nsset_measurement(
-        frame_zero.FindVariable("nsmutableset", lldb::eDynamicCanRunTarget));
-
-    m_dump_std_vector_measurement(
-        frame_zero.FindVariable("vector", lldb::eDynamicCanRunTarget));
-    m_dump_std_list_measurement(
-        frame_zero.FindVariable("list", lldb::eDynamicCanRunTarget));
-    m_dump_std_map_measurement(
-        frame_zero.FindVariable("map", lldb::eDynamicCanRunTarget));
-
-    auto sstr0 = frame_zero.FindVariable("sstr0", lldb::eDynamicCanRunTarget);
-    auto sstr1 = frame_zero.FindVariable("sstr1", lldb::eDynamicCanRunTarget);
-    auto sstr2 = frame_zero.FindVariable("sstr2", lldb::eDynamicCanRunTarget);
-    auto sstr3 = frame_zero.FindVariable("sstr3", lldb::eDynamicCanRunTarget);
-    auto sstr4 = frame_zero.FindVariable("sstr4", lldb::eDynamicCanRunTarget);
-
-    m_dump_std_string_measurement.Start();
-    Xcode::FetchVariable(sstr0, 0, false);
-    m_dump_std_string_measurement.Stop();
-
-    m_dump_std_string_measurement.Start();
-    Xcode::FetchVariable(sstr1, 0, false);
-    m_dump_std_string_measurement.Stop();
-
-    m_dump_std_string_measurement.Start();
-    Xcode::FetchVariable(sstr2, 0, false);
-    m_dump_std_string_measurement.Stop();
-
-    m_dump_std_string_measurement.Start();
-    Xcode::FetchVariable(sstr3, 0, false);
-    m_dump_std_string_measurement.Stop();
-
-    m_dump_std_string_measurement.Start();
-    Xcode::FetchVariable(sstr4, 0, false);
-    m_dump_std_string_measurement.Stop();
-  }
-
-  virtual void TestStep(int counter, ActionWanted &next_action) {
-    switch (counter) {
-    case 0:
-      m_target.BreakpointCreateByLocation("fmts_tester.mm", 78);
-      next_action.Continue();
-      break;
-    case 1:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 2:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 3:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 4:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 5:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 6:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 7:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 8:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 9:
-      DoTest();
-      next_action.Continue();
-      break;
-    case 10:
-      DoTest();
-      next_action.Continue();
-      break;
-    default:
-      next_action.Kill();
-      break;
-    }
-  }
-
-  virtual void WriteResults(Results &results) {
-    m_dump_std_vector_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_std_list_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_std_map_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_std_string_measurement.WriteAverageAndStandardDeviation(results);
-
-    m_dump_nsstring_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_nsarray_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_nsdictionary_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_nsset_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_nsbundle_measurement.WriteAverageAndStandardDeviation(results);
-    m_dump_nsdate_measurement.WriteAverageAndStandardDeviation(results);
-    results.Write(m_out_path.c_str());
-  }
-
-private:
-  // C++ formatters
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_std_vector_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_std_list_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_std_map_measurement;
-  TimeMeasurement<std::function<void()>> m_dump_std_string_measurement;
-
-  // Cocoa formatters
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsstring_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsarray_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsdictionary_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsset_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsbundle_measurement;
-  TimeMeasurement<std::function<void(SBValue)>> m_dump_nsdate_measurement;
-
-  // useful files
-  std::string m_app_path;
-  std::string m_out_path;
-};
-
-// argv[1] == path to app
-// argv[2] == path to result
-int main(int argc, const char *argv[]) {
-  FormattersTest frmtest;
-  frmtest.SetVerbose(true);
-  TestCase::Run(frmtest, argc, argv);
-  return 0;
-}
diff --git a/lldb/tools/lldb-perf/darwin/sketch/sketch.cpp b/lldb/tools/lldb-perf/darwin/sketch/sketch.cpp
deleted file mode 100644
index 08352a97930..00000000000
--- a/lldb/tools/lldb-perf/darwin/sketch/sketch.cpp
+++ /dev/null
@@ -1,329 +0,0 @@
-//===-- sketch.cpp ----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include <CoreFoundation/CoreFoundation.h>
-
-#include "lldb-perf/lib/Measurement.h"
-#include "lldb-perf/lib/Metric.h"
-#include "lldb-perf/lib/TestCase.h"
-#include "lldb-perf/lib/Timer.h"
-#include "lldb-perf/lib/Xcode.h"
-
-#include <fstream>
-#include <getopt.h>
-#include <iostream>
-#include <unistd.h>
-
-using namespace lldb_perf;
-
-static struct option g_long_options[] = {
-    {"verbose", no_argument, NULL, 'v'},
-    {"sketch", required_argument, NULL, 'c'},
-    {"foobar", required_argument, NULL, 'f'},
-    {"out-file", required_argument, NULL, 'o'},
-    {NULL, 0, NULL, 0}};
-
-class SketchTest : public TestCase {
-public:
-  SketchTest()
-      : m_fetch_frames_measurement(
-            [this]() -> void {
-              Xcode::FetchFrames(GetProcess(), false, false);
-            },
-            "fetch-frames",
-            "time to dump backtrace for every frame in every thread"),
-        m_file_line_bp_measurement(
-            [this](const char *file, uint32_t line) -> void {
-              Xcode::CreateFileLineBreakpoint(GetTarget(), file, line);
-            },
-            "file-line-bkpt", "time to set a breakpoint given a file and line"),
-        m_fetch_modules_measurement(
-            [this]() -> void { Xcode::FetchModules(GetTarget()); },
-            "fetch-modules", "time to get info for all modules in the process"),
-        m_fetch_vars_measurement(
-            [this](int depth) -> void {
-              SBProcess process(GetProcess());
-              auto threads_count = process.GetNumThreads();
-              for (size_t thread_num = 0; thread_num < threads_count;
-                   thread_num++) {
-                SBThread thread(process.GetThreadAtIndex(thread_num));
-                SBFrame frame(thread.GetFrameAtIndex(0));
-                Xcode::FetchVariables(frame, depth, GetVerbose());
-              }
-            },
-            "fetch-vars",
-            "time to dump variables for the topmost frame in every thread"),
-        m_run_expr_measurement(
-            [this](SBFrame frame, const char *expr) -> void {
-              SBValue value(
-                  frame.EvaluateExpression(expr, lldb::eDynamicCanRunTarget));
-              Xcode::FetchVariable(value, 0, GetVerbose());
-            },
-            "run-expr",
-            "time to evaluate an expression and display the result") {
-    m_app_path.clear();
-    m_out_path.clear();
-    m_doc_path.clear();
-    m_print_help = false;
-  }
-
-  virtual ~SketchTest() {}
-
-  virtual bool ParseOption(int short_option, const char *optarg) {
-    switch (short_option) {
-    case 0:
-      return false;
-
-    case -1:
-      return false;
-
-    case '?':
-    case 'h':
-      m_print_help = true;
-      break;
-
-    case 'v':
-      SetVerbose(true);
-      break;
-
-    case 'c': {
-      SBFileSpec file(optarg);
-      if (file.Exists())
-        SetExecutablePath(optarg);
-      else
-        fprintf(stderr, "error: file specified in --sketch (-c) option doesn't "
-                        "exist: '%s'\n",
-                optarg);
-    } break;
-
-    case 'f': {
-      SBFileSpec file(optarg);
-      if (file.Exists())
-        SetDocumentPath(optarg);
-      else
-        fprintf(stderr, "error: file specified in --foobar (-f) option doesn't "
-                        "exist: '%s'\n",
-                optarg);
-    } break;
-
-    case 'o':
-      SetResultFilePath(optarg);
-      break;
-
-    default:
-      m_print_help = true;
-      fprintf(stderr, "error: unrecognized option %c\n", short_option);
-      break;
-    }
-    return true;
-  }
-
-  virtual struct option *GetLongOptions() { return g_long_options; }
-
-  virtual bool Setup(int &argc, const char **&argv) {
-    TestCase::Setup(argc, argv);
-    bool error = false;
-
-    if (GetExecutablePath() == NULL) {
-      // --sketch is mandatory
-      error = true;
-      fprintf(stderr, "error: the '--sketch=PATH' option is mandatory\n");
-    }
-
-    if (GetDocumentPath() == NULL) {
-      // --foobar is mandatory
-      error = true;
-      fprintf(stderr, "error: the '--foobar=PATH' option is mandatory\n");
-    }
-
-    if (error || GetPrintHelp()) {
-      puts(R"(
-                 NAME
-                 lldb_perf_sketch -- a tool that measures LLDB peformance while debugging sketch.
-                 
-                 SYNOPSIS
-                 lldb_perf_sketch --sketch=PATH --foobar=PATH [--out-file=PATH --verbose]
-                 
-                 DESCRIPTION
-                 Runs a set of static timing and memory tasks against sketch and outputs results
-                 to a plist file.
-                 )");
-    }
-
-    if (error) {
-      exit(1);
-    }
-    lldb::SBLaunchInfo launch_info = GetLaunchInfo();
-    m_target = m_debugger.CreateTarget(m_app_path.c_str());
-    m_file_line_bp_measurement("SKTDocument.m", 245);
-    m_file_line_bp_measurement("SKTDocument.m", 283);
-    m_file_line_bp_measurement("SKTText.m", 326);
-    return Launch(launch_info);
-  }
-
-  lldb::SBLaunchInfo GetLaunchInfo() {
-    const char *file_arg = m_doc_path.c_str();
-    const char *persist_arg = "-ApplePersistenceIgnoreState";
-    const char *persist_skip = "YES";
-    const char *empty = nullptr;
-    const char *args[] = {file_arg, persist_arg, persist_skip, empty};
-    return SBLaunchInfo(args);
-  }
-
-  void DoTest() {
-    m_fetch_frames_measurement();
-    m_fetch_modules_measurement();
-    m_fetch_vars_measurement(1);
-  }
-
-  virtual void TestStep(int counter, ActionWanted &next_action) {
-    static int launch = 1;
-    switch (counter % 10) {
-    case 0: {
-      DoTest();
-      if (counter == 0)
-        m_file_line_bp_measurement("SKTDocument.m", 254);
-      next_action.Continue();
-    } break;
-
-    case 1: {
-      DoTest();
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "properties");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0),
-                             "[properties description]");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "typeName");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "data");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "[data description]");
-      next_action.Continue();
-    } break;
-
-    case 2: {
-      DoTest();
-      next_action.Continue();
-    } break;
-
-    case 3: {
-      DoTest();
-      next_action.StepOver(m_thread);
-    } break;
-
-    case 4: {
-      DoTest();
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "layoutManager");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "contents");
-      next_action.StepOver(m_thread);
-    } break;
-
-    case 5: {
-      DoTest();
-      next_action.StepOver(m_thread);
-    } break;
-
-    case 6: {
-      DoTest();
-      next_action.StepOver(m_thread);
-    } break;
-
-    case 7: {
-      DoTest();
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "@\"an NSString\"");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0),
-                             "[(id)@\"an NSString\" description]");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0), "@[@1,@2,@3]");
-      next_action.StepOut(m_thread);
-    } break;
-
-    case 8: {
-      DoTest();
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0),
-                             "[graphics description]");
-      m_run_expr_measurement(m_thread.GetFrameAtIndex(0),
-                             "[selectionIndexes description]");
-      m_run_expr_measurement(
-          m_thread.GetFrameAtIndex(0),
-          "(BOOL)NSIntersectsRect(rect, graphicDrawingBounds)");
-    }
-      next_action.CallNext();
-      break;
-    case 9:
-      if (++launch < 10)
-        next_action.Relaunch(GetLaunchInfo());
-      else
-        next_action.Kill();
-      break;
-
-    default: { next_action.Kill(); } break;
-    }
-  }
-
-  virtual void WriteResults(Results &results) {
-    m_fetch_frames_measurement.WriteAverageAndStandardDeviation(results);
-    m_file_line_bp_measurement.WriteAverageAndStandardDeviation(results);
-    m_fetch_modules_measurement.WriteAverageAndStandardDeviation(results);
-    m_fetch_vars_measurement.WriteAverageAndStandardDeviation(results);
-    m_run_expr_measurement.WriteAverageAndStandardDeviation(results);
-    results.Write(GetResultFilePath());
-  }
-
-  void SetExecutablePath(const char *str) {
-    if (str)
-      m_app_path.assign(str);
-  }
-
-  const char *GetExecutablePath() {
-    if (m_app_path.empty())
-      return NULL;
-    return m_app_path.c_str();
-  }
-
-  void SetDocumentPath(const char *str) {
-    if (str)
-      m_doc_path.assign(str);
-  }
-
-  const char *GetDocumentPath() {
-    if (m_doc_path.empty())
-      return NULL;
-    return m_doc_path.c_str();
-  }
-
-  void SetResultFilePath(const char *str) {
-    if (str)
-      m_out_path.assign(str);
-  }
-
-  const char *GetResultFilePath() {
-    if (m_out_path.empty())
-      return "/dev/stdout";
-    return m_out_path.c_str();
-  }
-
-  bool GetPrintHelp() { return m_print_help; }
-
-private:
-  Measurement<lldb_perf::TimeGauge, std::function<void()>>
-      m_fetch_frames_measurement;
-  Measurement<lldb_perf::TimeGauge, std::function<void(const char *, uint32_t)>>
-      m_file_line_bp_measurement;
-  Measurement<lldb_perf::TimeGauge, std::function<void()>>
-      m_fetch_modules_measurement;
-  Measurement<lldb_perf::TimeGauge, std::function<void(int)>>
-      m_fetch_vars_measurement;
-  Measurement<lldb_perf::TimeGauge, std::function<void(SBFrame, const char *)>>
-      m_run_expr_measurement;
-
-  std::string m_app_path;
-  std::string m_doc_path;
-  std::string m_out_path;
-  bool m_print_help;
-};
-
-int main(int argc, const char *argv[]) {
-  SketchTest test;
-  return TestCase::Run(test, argc, argv);
-}
diff --git a/lldb/tools/lldb-perf/lib/Gauge.cpp b/lldb/tools/lldb-perf/lib/Gauge.cpp
deleted file mode 100644
index 42c7934bca5..00000000000
--- a/lldb/tools/lldb-perf/lib/Gauge.cpp
+++ /dev/null
@@ -1,49 +0,0 @@
-//===-- Gauge.cpp -----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "Gauge.h"
-#include "lldb/lldb-forward.h"
-
-template <>
-lldb_perf::Results::ResultSP lldb_perf::GetResult(const char *description,
-                                                  double value) {
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddDouble("value", NULL, value);
-    return Results::ResultSP(value_dict_up.release());
-  }
-  return Results::ResultSP(new Results::Double(NULL, NULL, value));
-}
-
-template <>
-lldb_perf::Results::ResultSP lldb_perf::GetResult(const char *description,
-                                                  uint64_t value) {
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddUnsigned("value", NULL, value);
-    return Results::ResultSP(value_dict_up.release());
-  }
-  return Results::ResultSP(new Results::Unsigned(NULL, NULL, value));
-}
-
-template <>
-lldb_perf::Results::ResultSP lldb_perf::GetResult(const char *description,
-                                                  std::string value) {
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddString("value", NULL, value.c_str());
-    return Results::ResultSP(value_dict_up.release());
-  }
-  return Results::ResultSP(new Results::String(NULL, NULL, value.c_str()));
-}
diff --git a/lldb/tools/lldb-perf/lib/Gauge.h b/lldb/tools/lldb-perf/lib/Gauge.h
deleted file mode 100644
index 8f2dd0b6bd2..00000000000
--- a/lldb/tools/lldb-perf/lib/Gauge.h
+++ /dev/null
@@ -1,50 +0,0 @@
-//===-- Gauge.h -------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef PerfTestDriver_Gauge_h
-#define PerfTestDriver_Gauge_h
-
-#include <functional>
-#include <string>
-
-#include "Results.h"
-
-namespace lldb_perf {
-
-template <class T> class Gauge {
-public:
-  typedef T ValueType;
-
-  Gauge() {}
-
-  virtual ~Gauge() {}
-
-  virtual void Start() = 0;
-
-  virtual ValueType Stop() = 0;
-
-  virtual ValueType GetStartValue() const = 0;
-
-  virtual ValueType GetStopValue() const = 0;
-
-  virtual ValueType GetDeltaValue() const = 0;
-};
-
-template <class T>
-Results::ResultSP GetResult(const char *description, T value);
-
-template <> Results::ResultSP GetResult(const char *description, double value);
-
-template <>
-Results::ResultSP GetResult(const char *description, uint64_t value);
-
-template <>
-Results::ResultSP GetResult(const char *description, std::string value);
-}
-
-#endif
diff --git a/lldb/tools/lldb-perf/lib/Measurement.h b/lldb/tools/lldb-perf/lib/Measurement.h
deleted file mode 100644
index 42e6a448907..00000000000
--- a/lldb/tools/lldb-perf/lib/Measurement.h
+++ /dev/null
@@ -1,157 +0,0 @@
-//===-- Measurement.h -------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__Measurement__
-#define __PerfTestDriver__Measurement__
-
-#include "Gauge.h"
-#include "MemoryGauge.h"
-#include "Metric.h"
-#include "Timer.h"
-
-namespace lldb_perf {
-template <typename GaugeType, typename Callable> class Measurement {
-public:
-  Measurement() : m_gauge(), m_callable(), m_metric() {}
-
-  Measurement(Callable callable, const char *name, const char *desc)
-      : m_gauge(), m_callable(callable),
-        m_metric(Metric<typename GaugeType::ValueType>(name, desc)) {}
-
-  Measurement(const char *name, const char *desc)
-      : m_gauge(), m_callable(),
-        m_metric(Metric<typename GaugeType::ValueType>(name, desc)) {}
-
-  template <typename GaugeType_Rhs, typename Callable_Rhs>
-  Measurement(const Measurement<GaugeType_Rhs, Callable_Rhs> &rhs)
-      : m_gauge(rhs.GetGauge()), m_callable(rhs.GetCallable()),
-        m_metric(rhs.GetMetric()) {}
-
-  template <typename... Args> void operator()(Args... args) {
-    m_gauge.Start();
-    m_callable(args...);
-    m_metric.Append(m_gauge.Stop());
-  }
-
-  virtual const Callable &GetCallable() const { return m_callable; }
-
-  virtual const GaugeType &GetGauge() const { return m_gauge; }
-
-  virtual const Metric<typename GaugeType::ValueType> &GetMetric() const {
-    return m_metric;
-  }
-
-  void Start() { m_gauge.Start(); }
-
-  typename GaugeType::ValueType Stop() {
-    auto value = m_gauge.Stop();
-    m_metric.Append(value);
-    return value;
-  }
-
-  void WriteStartValue(Results &results) {
-    auto metric = GetMetric();
-    results.GetDictionary().Add(
-        metric.GetName(), metric.GetDescription(),
-        lldb_perf::GetResult<typename GaugeType::ValueType>(
-            NULL, metric.GetStartValue()));
-  }
-
-  void WriteStopValue(Results &results) {
-    auto metric = GetMetric();
-    results.GetDictionary().Add(
-        metric.GetName(), metric.GetDescription(),
-        lldb_perf::GetResult<typename GaugeType::ValueType>(
-            NULL, metric.GetStopValue()));
-  }
-
-  void WriteAverageValue(Results &results) {
-    auto metric = GetMetric();
-    results.GetDictionary().Add(
-        metric.GetName(), metric.GetDescription(),
-        lldb_perf::GetResult<typename GaugeType::ValueType>(
-            NULL, metric.GetAverage()));
-  }
-
-  void WriteAverageAndStandardDeviation(Results &results) {
-    auto metric = GetMetric();
-    auto dictionary =
-        (Results::Dictionary *)results.GetDictionary()
-            .Add(metric.GetName(), metric.GetDescription(),
-                 lldb_perf::GetResult<typename GaugeType::ValueType>(
-                     NULL, metric.GetAverage()))
-            .get();
-    if (dictionary) {
-      dictionary->Add("stddev", NULL,
-                      lldb_perf::GetResult<typename GaugeType::ValueType>(
-                          NULL, metric.GetStandardDeviation()));
-    }
-  }
-
-  void WriteStandardDeviation(Results &results) {
-    auto metric = GetMetric();
-    results.GetDictionary().Add(
-        metric.GetName(), metric.GetDescription(),
-        lldb_perf::GetResult<typename GaugeType::ValueType>(
-            NULL, metric.GetStandardDeviation()));
-  }
-
-protected:
-  GaugeType m_gauge;
-  Callable m_callable;
-  Metric<typename GaugeType::ValueType> m_metric;
-};
-
-template <typename Callable>
-class TimeMeasurement : public Measurement<TimeGauge, Callable> {
-public:
-  TimeMeasurement() : Measurement<TimeGauge, Callable>() {}
-
-  TimeMeasurement(Callable callable, const char *name = NULL,
-                  const char *descr = NULL)
-      : Measurement<TimeGauge, Callable>(callable, name, descr) {}
-
-  template <typename Callable_Rhs>
-  TimeMeasurement(const TimeMeasurement<Callable_Rhs> &rhs)
-      : Measurement<TimeGauge, Callable>(rhs) {}
-
-  template <typename GaugeType_Rhs, typename Callable_Rhs>
-  TimeMeasurement(const Measurement<GaugeType_Rhs, Callable_Rhs> &rhs)
-      : Measurement<GaugeType_Rhs, Callable_Rhs>(rhs) {}
-
-  template <typename... Args> void operator()(Args... args) {
-    Measurement<TimeGauge, Callable>::operator()(args...);
-  }
-};
-
-template <typename Callable>
-class MemoryMeasurement : public Measurement<MemoryGauge, Callable> {
-public:
-  MemoryMeasurement() : Measurement<MemoryGauge, Callable>() {}
-
-  MemoryMeasurement(Callable callable, const char *name, const char *descr)
-      : Measurement<MemoryGauge, Callable>(callable, name, descr) {}
-
-  MemoryMeasurement(const char *name, const char *descr)
-      : Measurement<MemoryGauge, Callable>(name, descr) {}
-
-  template <typename Callable_Rhs>
-  MemoryMeasurement(const MemoryMeasurement<Callable_Rhs> &rhs)
-      : Measurement<MemoryGauge, Callable>(rhs) {}
-
-  template <typename GaugeType_Rhs, typename Callable_Rhs>
-  MemoryMeasurement(const Measurement<GaugeType_Rhs, Callable_Rhs> &rhs)
-      : Measurement<GaugeType_Rhs, Callable_Rhs>(rhs) {}
-
-  template <typename... Args> void operator()(Args... args) {
-    Measurement<MemoryGauge, Callable>::operator()(args...);
-  }
-};
-}
-
-#endif /* defined(__PerfTestDriver__Measurement__) */
diff --git a/lldb/tools/lldb-perf/lib/MemoryGauge.cpp b/lldb/tools/lldb-perf/lib/MemoryGauge.cpp
deleted file mode 100644
index 59d3936d0e9..00000000000
--- a/lldb/tools/lldb-perf/lib/MemoryGauge.cpp
+++ /dev/null
@@ -1,119 +0,0 @@
-//===-- MemoryGauge.cpp -----------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "MemoryGauge.h"
-#include "lldb/lldb-forward.h"
-#include <assert.h>
-#include <cmath>
-#include <mach/mach.h>
-#include <mach/mach_traps.h>
-#include <mach/task.h>
-
-using namespace lldb_perf;
-
-MemoryStats::MemoryStats(mach_vm_size_t virtual_size,
-                         mach_vm_size_t resident_size,
-                         mach_vm_size_t max_resident_size)
-    : m_virtual_size(virtual_size), m_resident_size(resident_size),
-      m_max_resident_size(max_resident_size) {}
-
-MemoryStats &MemoryStats::operator+=(const MemoryStats &rhs) {
-  m_virtual_size += rhs.m_virtual_size;
-  m_resident_size += rhs.m_resident_size;
-  m_max_resident_size += rhs.m_max_resident_size;
-  return *this;
-}
-
-MemoryStats MemoryStats::operator-(const MemoryStats &rhs) {
-  return MemoryStats(m_virtual_size - rhs.m_virtual_size,
-                     m_resident_size - rhs.m_resident_size,
-                     m_max_resident_size - rhs.m_max_resident_size);
-}
-
-MemoryStats MemoryStats::operator+(const MemoryStats &rhs) {
-  return MemoryStats(m_virtual_size + rhs.m_virtual_size,
-                     m_resident_size + rhs.m_resident_size,
-                     m_max_resident_size + rhs.m_max_resident_size);
-}
-
-MemoryStats MemoryStats::operator/(size_t n) {
-  MemoryStats result(*this);
-  result.m_virtual_size /= n;
-  result.m_resident_size /= n;
-  result.m_max_resident_size /= n;
-  return result;
-}
-
-MemoryStats MemoryStats::operator*(const MemoryStats &rhs) {
-  return MemoryStats(m_virtual_size * rhs.m_virtual_size,
-                     m_resident_size * rhs.m_resident_size,
-                     m_max_resident_size * rhs.m_max_resident_size);
-}
-
-Results::ResultSP MemoryStats::GetResult(const char *name,
-                                         const char *description) const {
-  std::unique_ptr<Results::Dictionary> dict_up(
-      new Results::Dictionary(name, NULL));
-  dict_up->AddUnsigned("resident", NULL, GetResidentSize());
-  dict_up->AddUnsigned("max_resident", NULL, GetMaxResidentSize());
-  return Results::ResultSP(dict_up.release());
-}
-
-MemoryGauge::ValueType MemoryGauge::Now() {
-  task_t task = mach_task_self();
-  mach_task_basic_info_data_t taskBasicInfo;
-  mach_msg_type_number_t count = MACH_TASK_BASIC_INFO_COUNT;
-  auto task_info_ret = task_info(task, MACH_TASK_BASIC_INFO,
-                                 (task_info_t)&taskBasicInfo, &count);
-  if (task_info_ret == KERN_SUCCESS) {
-    return MemoryStats(taskBasicInfo.virtual_size, taskBasicInfo.resident_size,
-                       taskBasicInfo.resident_size_max);
-  }
-  return 0;
-}
-
-MemoryGauge::MemoryGauge()
-    : m_state(MemoryGauge::State::eNeverUsed), m_start(), m_delta() {}
-
-void MemoryGauge::Start() {
-  m_state = MemoryGauge::State::eCounting;
-  m_start = Now();
-}
-
-MemoryGauge::ValueType MemoryGauge::Stop() {
-  m_stop = Now();
-  assert(m_state == MemoryGauge::State::eCounting &&
-         "cannot stop a non-started gauge");
-  m_state = MemoryGauge::State::eStopped;
-  m_delta = m_stop - m_start;
-  return m_delta;
-}
-
-MemoryGauge::ValueType MemoryGauge::GetDeltaValue() const {
-  assert(m_state == MemoryGauge::State::eStopped &&
-         "gauge must be used before you can evaluate it");
-  return m_delta;
-}
-
-template <>
-Results::ResultSP lldb_perf::GetResult(const char *description,
-                                       MemoryStats value) {
-  return value.GetResult(NULL, description);
-}
-
-MemoryStats sqrt(const MemoryStats &arg) {
-  long double virt_size = arg.GetVirtualSize();
-  long double resident_size = arg.GetResidentSize();
-  long double max_resident_size = arg.GetMaxResidentSize();
-
-  virt_size = sqrtl(virt_size);
-  resident_size = sqrtl(resident_size);
-  max_resident_size = sqrtl(max_resident_size);
-
-  return MemoryStats(virt_size, resident_size, max_resident_size);
-}
diff --git a/lldb/tools/lldb-perf/lib/MemoryGauge.h b/lldb/tools/lldb-perf/lib/MemoryGauge.h
deleted file mode 100644
index 21b1fe13a58..00000000000
--- a/lldb/tools/lldb-perf/lib/MemoryGauge.h
+++ /dev/null
@@ -1,88 +0,0 @@
-//===-- MemoryGauge.h -------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__MemoryGauge__
-#define __PerfTestDriver__MemoryGauge__
-
-#include "Gauge.h"
-#include "Results.h"
-
-#include <mach/task_info.h>
-
-namespace lldb_perf {
-
-class MemoryStats {
-public:
-  MemoryStats(mach_vm_size_t virtual_size = 0, mach_vm_size_t resident_size = 0,
-              mach_vm_size_t max_resident_size = 0);
-
-  MemoryStats &operator+=(const MemoryStats &rhs);
-
-  MemoryStats operator-(const MemoryStats &rhs);
-
-  MemoryStats operator+(const MemoryStats &rhs);
-
-  MemoryStats operator/(size_t rhs);
-
-  MemoryStats operator*(const MemoryStats &rhs);
-
-  mach_vm_size_t GetVirtualSize() const { return m_virtual_size; }
-
-  mach_vm_size_t GetResidentSize() const { return m_resident_size; }
-
-  mach_vm_size_t GetMaxResidentSize() const { return m_max_resident_size; }
-
-  void SetVirtualSize(mach_vm_size_t vs) { m_virtual_size = vs; }
-
-  void SetResidentSize(mach_vm_size_t rs) { m_resident_size = rs; }
-
-  void SetMaxResidentSize(mach_vm_size_t mrs) { m_max_resident_size = mrs; }
-
-  Results::ResultSP GetResult(const char *name, const char *description) const;
-
-private:
-  mach_vm_size_t m_virtual_size;
-  mach_vm_size_t m_resident_size;
-  mach_vm_size_t m_max_resident_size;
-};
-
-class MemoryGauge : public Gauge<MemoryStats> {
-public:
-  MemoryGauge();
-
-  virtual ~MemoryGauge() {}
-
-  void Start();
-
-  ValueType Stop();
-
-  virtual ValueType GetStartValue() const { return m_start; }
-
-  virtual ValueType GetStopValue() const { return m_stop; }
-
-  virtual ValueType GetDeltaValue() const;
-
-private:
-  enum class State { eNeverUsed, eCounting, eStopped };
-
-  ValueType Now();
-
-  State m_state;
-  ValueType m_start;
-  ValueType m_stop;
-  ValueType m_delta;
-};
-
-template <>
-Results::ResultSP GetResult(const char *description, MemoryStats value);
-
-} // namespace lldb_perf
-
-lldb_perf::MemoryStats sqrt(const lldb_perf::MemoryStats &arg);
-
-#endif // #ifndef __PerfTestDriver__MemoryGauge__
diff --git a/lldb/tools/lldb-perf/lib/Metric.cpp b/lldb/tools/lldb-perf/lib/Metric.cpp
deleted file mode 100644
index 7bc6232fa51..00000000000
--- a/lldb/tools/lldb-perf/lib/Metric.cpp
+++ /dev/null
@@ -1,59 +0,0 @@
-//===-- Metric.cpp ----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "Metric.h"
-#include "MemoryGauge.h"
-#include <cmath>
-
-using namespace lldb_perf;
-
-template <class T> Metric<T>::Metric() : Metric("") {}
-
-template <class T>
-Metric<T>::Metric(const char *n, const char *d)
-    : m_name(n ? n : ""), m_description(d ? d : ""), m_dataset() {}
-
-template <class T> void Metric<T>::Append(T v) { m_dataset.push_back(v); }
-
-template <class T> size_t Metric<T>::GetCount() const {
-  return m_dataset.size();
-}
-
-template <class T> T Metric<T>::GetSum() const {
-  T sum = 0;
-  for (auto v : m_dataset)
-    sum += v;
-  return sum;
-}
-
-template <class T> T Metric<T>::GetAverage() const {
-  return GetSum() / GetCount();
-}
-
-// Knuth's algorithm for stddev - massive cancellation resistant
-template <class T>
-T Metric<T>::GetStandardDeviation(StandardDeviationMode mode) const {
-  size_t n = 0;
-  T mean = 0;
-  T M2 = 0;
-  for (auto x : m_dataset) {
-    n = n + 1;
-    T delta = x - mean;
-    mean = mean + delta / n;
-    M2 = M2 + delta * (x - mean);
-  }
-  T variance;
-  if (mode == StandardDeviationMode::ePopulation || n == 1)
-    variance = M2 / n;
-  else
-    variance = M2 / (n - 1);
-  return sqrt(variance);
-}
-
-template class lldb_perf::Metric<double>;
-template class lldb_perf::Metric<MemoryStats>;
diff --git a/lldb/tools/lldb-perf/lib/Metric.h b/lldb/tools/lldb-perf/lib/Metric.h
deleted file mode 100644
index 141edd39f98..00000000000
--- a/lldb/tools/lldb-perf/lib/Metric.h
+++ /dev/null
@@ -1,57 +0,0 @@
-//===-- Metric.h ------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__Metric__
-#define __PerfTestDriver__Metric__
-
-#include <mach/task_info.h>
-#include <string>
-#include <vector>
-
-namespace lldb_perf {
-
-class MemoryStats;
-
-template <class ValueType> class Metric {
-public:
-  enum class StandardDeviationMode { eSample, ePopulation };
-
-  Metric();
-  Metric(const char *, const char * = NULL);
-
-  void Append(ValueType v);
-
-  ValueType GetAverage() const;
-
-  size_t GetCount() const;
-
-  ValueType GetSum() const;
-
-  ValueType GetStandardDeviation(
-      StandardDeviationMode mode = StandardDeviationMode::ePopulation) const;
-
-  const char *GetName() const {
-    if (m_name.empty())
-      return NULL;
-    return m_name.c_str();
-  }
-
-  const char *GetDescription() const {
-    if (m_description.empty())
-      return NULL;
-    return m_description.c_str();
-  }
-
-private:
-  std::string m_name;
-  std::string m_description;
-  std::vector<ValueType> m_dataset;
-};
-}
-
-#endif /* defined(__PerfTestDriver__Metric__) */
diff --git a/lldb/tools/lldb-perf/lib/Results.cpp b/lldb/tools/lldb-perf/lib/Results.cpp
deleted file mode 100644
index 16df5c42155..00000000000
--- a/lldb/tools/lldb-perf/lib/Results.cpp
+++ /dev/null
@@ -1,236 +0,0 @@
-//===-- Results.cpp ---------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "Results.h"
-#include <assert.h>
-
-#ifdef __APPLE__
-#include "CFCMutableArray.h"
-#include "CFCMutableDictionary.h"
-#include "CFCReleaser.h"
-#include "CFCString.h"
-#endif
-
-using namespace lldb_perf;
-
-static void AddResultToArray(CFCMutableArray &array, Results::Result *result);
-
-static void AddResultToDictionary(CFCMutableDictionary &parent_dict,
-                                  const char *key, Results::Result *result);
-
-static void AddResultToArray(CFCMutableArray &parent_array,
-                             Results::Result *result) {
-  switch (result->GetType()) {
-  case Results::Result::Type::Invalid:
-    break;
-
-  case Results::Result::Type::Array: {
-    Results::Array *value = result->GetAsArray();
-    CFCMutableArray array;
-    value->ForEach([&array](const Results::ResultSP &value_sp) -> bool {
-      AddResultToArray(array, value_sp.get());
-      return true;
-    });
-    parent_array.AppendValue(array.get(), true);
-  } break;
-
-  case Results::Result::Type::Dictionary: {
-    Results::Dictionary *value = result->GetAsDictionary();
-    CFCMutableDictionary dict;
-    value->ForEach([&dict](const std::string &key,
-                           const Results::ResultSP &value_sp) -> bool {
-      AddResultToDictionary(dict, key.c_str(), value_sp.get());
-      return true;
-    });
-    if (result->GetDescription()) {
-      dict.AddValueCString(CFSTR("description"), result->GetDescription());
-    }
-    parent_array.AppendValue(dict.get(), true);
-  } break;
-
-  case Results::Result::Type::Double: {
-    double d = result->GetAsDouble()->GetValue();
-    CFCReleaser<CFNumberRef> cf_number(
-        ::CFNumberCreate(kCFAllocatorDefault, kCFNumberDoubleType, &d));
-    if (cf_number.get())
-      parent_array.AppendValue(cf_number.get(), true);
-  } break;
-  case Results::Result::Type::String: {
-    CFCString cfstr(result->GetAsString()->GetValue());
-    if (cfstr.get())
-      parent_array.AppendValue(cfstr.get(), true);
-  } break;
-
-  case Results::Result::Type::Unsigned: {
-    uint64_t uval64 = result->GetAsUnsigned()->GetValue();
-    CFCReleaser<CFNumberRef> cf_number(
-        ::CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &uval64));
-    if (cf_number.get())
-      parent_array.AppendValue(cf_number.get(), true);
-  } break;
-
-  default:
-    llvm_unreachable("unhandled result");
-  }
-}
-
-static void AddResultToDictionary(CFCMutableDictionary &parent_dict,
-                                  const char *key, Results::Result *result) {
-  assert(key && key[0]);
-  CFCString cf_key(key);
-  switch (result->GetType()) {
-  case Results::Result::Type::Invalid:
-    break;
-
-  case Results::Result::Type::Array: {
-    Results::Array *value = result->GetAsArray();
-    CFCMutableArray array;
-    value->ForEach([&array](const Results::ResultSP &value_sp) -> bool {
-      AddResultToArray(array, value_sp.get());
-      return true;
-    });
-    parent_dict.AddValue(cf_key.get(), array.get(), true);
-  } break;
-  case Results::Result::Type::Dictionary: {
-    Results::Dictionary *value = result->GetAsDictionary();
-    CFCMutableDictionary dict;
-    value->ForEach([&dict](const std::string &key,
-                           const Results::ResultSP &value_sp) -> bool {
-      AddResultToDictionary(dict, key.c_str(), value_sp.get());
-      return true;
-    });
-    if (result->GetDescription()) {
-      dict.AddValueCString(CFSTR("description"), result->GetDescription());
-    }
-    parent_dict.AddValue(cf_key.get(), dict.get(), true);
-  } break;
-  case Results::Result::Type::Double: {
-    parent_dict.SetValueDouble(cf_key.get(), result->GetAsDouble()->GetValue(),
-                               true);
-  } break;
-  case Results::Result::Type::String: {
-    parent_dict.SetValueCString(cf_key.get(), result->GetAsString()->GetValue(),
-                                true);
-  } break;
-
-  case Results::Result::Type::Unsigned: {
-    parent_dict.SetValueUInt64(cf_key.get(),
-                               result->GetAsUnsigned()->GetValue(), true);
-  } break;
-  default:
-    llvm_unreachable("unhandled result");
-  }
-}
-void Results::Write(const char *out_path) {
-#ifdef __APPLE__
-  CFCMutableDictionary dict;
-
-  m_results.ForEach(
-      [&dict](const std::string &key, const ResultSP &value_sp) -> bool {
-        AddResultToDictionary(dict, key.c_str(), value_sp.get());
-        return true;
-      });
-  CFDataRef xmlData = CFPropertyListCreateData(
-      kCFAllocatorDefault, dict.get(), kCFPropertyListXMLFormat_v1_0, 0, NULL);
-
-  if (out_path == NULL)
-    out_path = "/dev/stdout";
-
-  CFURLRef file = CFURLCreateFromFileSystemRepresentation(
-      NULL, (const UInt8 *)out_path, strlen(out_path), FALSE);
-
-  CFURLWriteDataAndPropertiesToResource(file, xmlData, NULL, NULL);
-#endif
-}
-
-Results::ResultSP Results::Dictionary::AddUnsigned(const char *name,
-                                                   const char *description,
-                                                   uint64_t value) {
-  assert(name && name[0]);
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddUnsigned("value", NULL, value);
-    m_dictionary[std::string(name)] = ResultSP(value_dict_up.release());
-  } else
-    m_dictionary[std::string(name)] =
-        ResultSP(new Unsigned(name, description, value));
-  return m_dictionary[std::string(name)];
-}
-
-Results::ResultSP Results::Dictionary::AddDouble(const char *name,
-                                                 const char *description,
-                                                 double value) {
-  assert(name && name[0]);
-
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddDouble("value", NULL, value);
-    m_dictionary[std::string(name)] = ResultSP(value_dict_up.release());
-  } else
-    m_dictionary[std::string(name)] =
-        ResultSP(new Double(name, description, value));
-  return m_dictionary[std::string(name)];
-}
-Results::ResultSP Results::Dictionary::AddString(const char *name,
-                                                 const char *description,
-                                                 const char *value) {
-  assert(name && name[0]);
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->AddString("value", NULL, value);
-    m_dictionary[std::string(name)] = ResultSP(value_dict_up.release());
-  } else
-    m_dictionary[std::string(name)] =
-        ResultSP(new String(name, description, value));
-  return m_dictionary[std::string(name)];
-}
-
-Results::ResultSP Results::Dictionary::Add(const char *name,
-                                           const char *description,
-                                           const ResultSP &result_sp) {
-  assert(name && name[0]);
-  if (description && description[0]) {
-    std::unique_ptr<Results::Dictionary> value_dict_up(
-        new Results::Dictionary());
-    value_dict_up->AddString("description", NULL, description);
-    value_dict_up->Add("value", NULL, result_sp);
-    m_dictionary[std::string(name)] = ResultSP(value_dict_up.release());
-  } else
-    m_dictionary[std::string(name)] = result_sp;
-  return m_dictionary[std::string(name)];
-}
-
-void Results::Dictionary::ForEach(
-    const std::function<bool(const std::string &, const ResultSP &)>
-        &callback) {
-  collection::const_iterator pos, end = m_dictionary.end();
-  for (pos = m_dictionary.begin(); pos != end; ++pos) {
-    if (callback(pos->first.c_str(), pos->second) == false)
-      return;
-  }
-}
-
-Results::ResultSP Results::Array::Append(const ResultSP &result_sp) {
-  m_array.push_back(result_sp);
-  return result_sp;
-}
-
-void Results::Array::ForEach(
-    const std::function<bool(const ResultSP &)> &callback) {
-  collection::const_iterator pos, end = m_array.end();
-  for (pos = m_array.begin(); pos != end; ++pos) {
-    if (callback(*pos) == false)
-      return;
-  }
-}
diff --git a/lldb/tools/lldb-perf/lib/Results.h b/lldb/tools/lldb-perf/lib/Results.h
deleted file mode 100644
index f5171d541dc..00000000000
--- a/lldb/tools/lldb-perf/lib/Results.h
+++ /dev/null
@@ -1,204 +0,0 @@
-//===-- Results.h -----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver_Results_h__
-#define __PerfTestDriver_Results_h__
-
-#include "lldb/lldb-forward.h"
-#include <map>
-#include <string>
-#include <vector>
-
-namespace lldb_perf {
-
-class Results {
-public:
-  class Array;
-  class Dictionary;
-  class Double;
-  class String;
-  class Unsigned;
-
-  class Result {
-  public:
-    enum class Type { Invalid, Array, Dictionary, Double, String, Unsigned };
-
-    Result(Type type, const char *name, const char *description)
-        : m_name(), m_description(), m_type(type) {
-      if (name && name[0])
-        m_name = name;
-      if (description && description[0])
-        m_description = description;
-    }
-
-    virtual ~Result() {}
-
-    virtual void Write(Results &results) = 0;
-
-    Array *GetAsArray() {
-      if (m_type == Type::Array)
-        return (Array *)this;
-      return NULL;
-    }
-    Dictionary *GetAsDictionary() {
-      if (m_type == Type::Dictionary)
-        return (Dictionary *)this;
-      return NULL;
-    }
-    Double *GetAsDouble() {
-      if (m_type == Type::Double)
-        return (Double *)this;
-      return NULL;
-    }
-
-    String *GetAsString() {
-      if (m_type == Type::String)
-        return (String *)this;
-      return NULL;
-    }
-    Unsigned *GetAsUnsigned() {
-      if (m_type == Type::Unsigned)
-        return (Unsigned *)this;
-      return NULL;
-    }
-
-    const char *GetName() const {
-      if (m_name.empty())
-        return NULL;
-      return m_name.c_str();
-    }
-
-    const char *GetDescription() const {
-      if (m_description.empty())
-        return NULL;
-      return m_description.c_str();
-    }
-
-    Type GetType() const { return m_type; }
-
-  protected:
-    std::string m_name;
-    std::string m_description;
-    Type m_type;
-  };
-
-  typedef std::shared_ptr<Result> ResultSP;
-
-  class Array : public Result {
-  public:
-    Array(const char *name, const char *description)
-        : Result(Type::Array, name, description) {}
-
-    virtual ~Array() {}
-
-    ResultSP Append(const ResultSP &result_sp);
-
-    void ForEach(const std::function<bool(const ResultSP &)> &callback);
-
-    virtual void Write(Results &results) {}
-
-  protected:
-    typedef std::vector<ResultSP> collection;
-    collection m_array;
-  };
-
-  class Dictionary : public Result {
-  public:
-    Dictionary() : Result(Type::Dictionary, NULL, NULL) {}
-
-    Dictionary(const char *name, const char *description)
-        : Result(Type::Dictionary, name, description) {}
-
-    virtual ~Dictionary() {}
-
-    virtual void Write(Results &results) {}
-
-    void ForEach(const std::function<bool(const std::string &,
-                                          const ResultSP &)> &callback);
-
-    ResultSP Add(const char *name, const char *description,
-                 const ResultSP &result_sp);
-
-    ResultSP AddDouble(const char *name, const char *descriptiorn,
-                       double value);
-
-    ResultSP AddUnsigned(const char *name, const char *description,
-                         uint64_t value);
-
-    ResultSP AddString(const char *name, const char *description,
-                       const char *value);
-
-  protected:
-    typedef std::map<std::string, ResultSP> collection;
-    collection m_dictionary;
-  };
-
-  class String : public Result {
-  public:
-    String(const char *name, const char *description, const char *value)
-        : Result(Type::String, name, description), m_string() {
-      if (value && value[0])
-        m_string = value;
-    }
-
-    virtual ~String() {}
-
-    virtual void Write(Results &results) {}
-
-    const char *GetValue() const {
-      return m_string.empty() ? NULL : m_string.c_str();
-    }
-
-  protected:
-    std::string m_string;
-  };
-
-  class Double : public Result {
-  public:
-    Double(const char *name, const char *description, double value)
-        : Result(Type::Double, name, description), m_double(value) {}
-
-    virtual ~Double() {}
-
-    virtual void Write(Results &results) {}
-
-    double GetValue() const { return m_double; }
-
-  protected:
-    double m_double;
-  };
-
-  class Unsigned : public Result {
-  public:
-    Unsigned(const char *name, const char *description, uint64_t value)
-        : Result(Type::Unsigned, name, description), m_unsigned(value) {}
-
-    virtual ~Unsigned() {}
-
-    virtual void Write(Results &results) {}
-
-    uint64_t GetValue() const { return m_unsigned; }
-
-  protected:
-    uint64_t m_unsigned;
-  };
-
-  Results() : m_results() {}
-
-  ~Results() {}
-
-  Dictionary &GetDictionary() { return m_results; }
-
-  void Write(const char *path);
-
-protected:
-  Dictionary m_results;
-};
-
-} // namespace lldb_perf
-#endif // #ifndef __PerfTestDriver_Results_h__
diff --git a/lldb/tools/lldb-perf/lib/TestCase.cpp b/lldb/tools/lldb-perf/lib/TestCase.cpp
deleted file mode 100644
index 439d0444ade..00000000000
--- a/lldb/tools/lldb-perf/lib/TestCase.cpp
+++ /dev/null
@@ -1,307 +0,0 @@
-//===-- TestCase.cpp --------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "TestCase.h"
-#include "Results.h"
-#include "Xcode.h"
-
-using namespace lldb_perf;
-
-TestCase::TestCase()
-    : m_debugger(), m_target(), m_process(), m_thread(), m_listener(),
-      m_verbose(false), m_step(0) {
-  SBDebugger::Initialize();
-  SBHostOS::ThreadCreated("<lldb-tester.app.main>");
-  m_debugger = SBDebugger::Create(false);
-  m_listener = m_debugger.GetListener();
-  m_listener.StartListeningForEventClass(
-      m_debugger, SBProcess::GetBroadcasterClass(),
-      SBProcess::eBroadcastBitStateChanged | SBProcess::eBroadcastBitInterrupt);
-}
-
-static std::string GetShortOptionString(struct option *long_options) {
-  std::string option_string;
-  for (int i = 0; long_options[i].name != NULL; ++i) {
-    if (long_options[i].flag == NULL) {
-      option_string.push_back((char)long_options[i].val);
-      switch (long_options[i].has_arg) {
-      default:
-      case no_argument:
-        break;
-      case required_argument:
-        option_string.push_back(':');
-        break;
-      case optional_argument:
-        option_string.append(2, ':');
-        break;
-      }
-    }
-  }
-  return option_string;
-}
-
-bool TestCase::Setup(int &argc, const char **&argv) {
-  bool done = false;
-
-  struct option *long_options = GetLongOptions();
-
-  if (long_options) {
-    std::string short_option_string(GetShortOptionString(long_options));
-
-#if __GLIBC__
-    optind = 0;
-#else
-    optreset = 1;
-    optind = 1;
-#endif
-    while (!done) {
-      int long_options_index = -1;
-      const int short_option = ::getopt_long_only(
-          argc, const_cast<char **>(argv), short_option_string.c_str(),
-          long_options, &long_options_index);
-
-      switch (short_option) {
-      case 0:
-        // Already handled
-        break;
-
-      case -1:
-        done = true;
-        break;
-
-      default:
-        done = !ParseOption(short_option, optarg);
-        break;
-      }
-    }
-    argc -= optind;
-    argv += optind;
-  }
-
-  return false;
-}
-
-bool TestCase::Launch(lldb::SBLaunchInfo &launch_info) {
-  lldb::SBError error;
-  m_process = m_target.Launch(launch_info, error);
-  if (!error.Success())
-    fprintf(stderr, "error: %s\n", error.GetCString());
-  if (m_process.IsValid())
-    return true;
-  return false;
-}
-
-bool TestCase::Launch(std::initializer_list<const char *> args) {
-  std::vector<const char *> args_vect(args);
-  args_vect.push_back(NULL);
-  lldb::SBLaunchInfo launch_info((const char **)&args_vect[0]);
-  return Launch(launch_info);
-}
-
-void TestCase::SetVerbose(bool b) { m_verbose = b; }
-
-bool TestCase::GetVerbose() { return m_verbose; }
-
-void TestCase::Loop() {
-  while (true) {
-    bool call_test_step = false;
-    if (m_process.IsValid()) {
-      SBEvent evt;
-      m_listener.WaitForEvent(UINT32_MAX, evt);
-      StateType state = SBProcess::GetStateFromEvent(evt);
-      if (m_verbose)
-        printf("event = %s\n", SBDebugger::StateAsCString(state));
-      if (SBProcess::GetRestartedFromEvent(evt)) {
-        if (m_verbose) {
-          const uint32_t num_threads = m_process.GetNumThreads();
-          for (auto thread_index = 0; thread_index < num_threads;
-               thread_index++) {
-            SBThread thread(m_process.GetThreadAtIndex(thread_index));
-            SBFrame frame(thread.GetFrameAtIndex(0));
-            SBStream strm;
-            strm.RedirectToFileHandle(stdout, false);
-            frame.GetDescription(strm);
-          }
-          puts("restarted");
-        }
-        call_test_step = false;
-      } else {
-        switch (state) {
-        case eStateInvalid:
-        case eStateDetached:
-        case eStateCrashed:
-        case eStateUnloaded:
-          break;
-        case eStateExited:
-          return;
-        case eStateConnected:
-        case eStateAttaching:
-        case eStateLaunching:
-        case eStateRunning:
-        case eStateStepping:
-          call_test_step = false;
-          break;
-
-        case eStateStopped:
-        case eStateSuspended: {
-          call_test_step = true;
-          bool fatal = false;
-          bool selected_thread = false;
-          const uint32_t num_threads = m_process.GetNumThreads();
-          for (auto thread_index = 0; thread_index < num_threads;
-               thread_index++) {
-            SBThread thread(m_process.GetThreadAtIndex(thread_index));
-            SBFrame frame(thread.GetFrameAtIndex(0));
-            SBStream strm;
-            strm.RedirectToFileHandle(stdout, false);
-            frame.GetDescription(strm);
-            bool select_thread = false;
-            StopReason stop_reason = thread.GetStopReason();
-            if (m_verbose)
-              printf("tid = 0x%llx pc = 0x%llx ", thread.GetThreadID(),
-                     frame.GetPC());
-            switch (stop_reason) {
-            case eStopReasonNone:
-              if (m_verbose)
-                printf("none\n");
-              break;
-
-            case eStopReasonTrace:
-              select_thread = true;
-              if (m_verbose)
-                printf("trace\n");
-              break;
-
-            case eStopReasonPlanComplete:
-              select_thread = true;
-              if (m_verbose)
-                printf("plan complete\n");
-              break;
-            case eStopReasonThreadExiting:
-              if (m_verbose)
-                printf("thread exiting\n");
-              break;
-            case eStopReasonExec:
-              if (m_verbose)
-                printf("exec\n");
-              break;
-            case eStopReasonInvalid:
-              if (m_verbose)
-                printf("invalid\n");
-              break;
-            case eStopReasonException:
-              select_thread = true;
-              if (m_verbose)
-                printf("exception\n");
-              fatal = true;
-              break;
-            case eStopReasonBreakpoint:
-              select_thread = true;
-              if (m_verbose)
-                printf("breakpoint id = %lld.%lld\n",
-                       thread.GetStopReasonDataAtIndex(0),
-                       thread.GetStopReasonDataAtIndex(1));
-              break;
-            case eStopReasonWatchpoint:
-              select_thread = true;
-              if (m_verbose)
-                printf("watchpoint id = %lld\n",
-                       thread.GetStopReasonDataAtIndex(0));
-              break;
-            case eStopReasonSignal:
-              select_thread = true;
-              if (m_verbose)
-                printf("signal %d\n", (int)thread.GetStopReasonDataAtIndex(0));
-              break;
-            }
-            if (select_thread && !selected_thread) {
-              m_thread = thread;
-              selected_thread = m_process.SetSelectedThread(thread);
-            }
-          }
-          if (fatal) {
-            if (m_verbose)
-              Xcode::RunCommand(m_debugger, "bt all", true);
-            exit(1);
-          }
-        } break;
-        }
-      }
-    } else {
-      call_test_step = true;
-    }
-
-    if (call_test_step) {
-    do_the_call:
-      if (m_verbose)
-        printf("RUNNING STEP %d\n", m_step);
-      ActionWanted action;
-      TestStep(m_step, action);
-      m_step++;
-      SBError err;
-      switch (action.type) {
-      case ActionWanted::Type::eNone:
-        // Just exit and wait for the next event
-        break;
-      case ActionWanted::Type::eContinue:
-        err = m_process.Continue();
-        break;
-      case ActionWanted::Type::eStepOut:
-        if (action.thread.IsValid() == false) {
-          if (m_verbose) {
-            Xcode::RunCommand(m_debugger, "bt all", true);
-            printf("error: invalid thread for step out on step %d\n", m_step);
-          }
-          exit(501);
-        }
-        m_process.SetSelectedThread(action.thread);
-        action.thread.StepOut();
-        break;
-      case ActionWanted::Type::eStepOver:
-        if (action.thread.IsValid() == false) {
-          if (m_verbose) {
-            Xcode::RunCommand(m_debugger, "bt all", true);
-            printf("error: invalid thread for step over %d\n", m_step);
-          }
-          exit(500);
-        }
-        m_process.SetSelectedThread(action.thread);
-        action.thread.StepOver();
-        break;
-      case ActionWanted::Type::eRelaunch:
-        if (m_process.IsValid()) {
-          m_process.Kill();
-          m_process.Clear();
-        }
-        Launch(action.launch_info);
-        break;
-      case ActionWanted::Type::eKill:
-        if (m_verbose)
-          printf("kill\n");
-        m_process.Kill();
-        return;
-      case ActionWanted::Type::eCallNext:
-        goto do_the_call;
-        break;
-      }
-    }
-  }
-
-  if (GetVerbose())
-    printf("I am gonna die at step %d\n", m_step);
-}
-
-int TestCase::Run(TestCase &test, int argc, const char **argv) {
-  if (test.Setup(argc, argv)) {
-    test.Loop();
-    Results results;
-    test.WriteResults(results);
-    return RUN_SUCCESS;
-  } else
-    return RUN_SETUP_ERROR;
-}
diff --git a/lldb/tools/lldb-perf/lib/TestCase.h b/lldb/tools/lldb-perf/lib/TestCase.h
deleted file mode 100644
index 4ab4bd1c176..00000000000
--- a/lldb/tools/lldb-perf/lib/TestCase.h
+++ /dev/null
@@ -1,144 +0,0 @@
-//===-- TestCase.h ----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__TestCase__
-#define __PerfTestDriver__TestCase__
-
-#include "Measurement.h"
-#include "lldb/API/LLDB.h"
-#include <getopt.h>
-
-namespace lldb_perf {
-
-class Results;
-
-class TestCase {
-public:
-  TestCase();
-
-  struct ActionWanted {
-    enum class Type {
-      eStepOver,
-      eContinue,
-      eStepOut,
-      eRelaunch,
-      eCallNext,
-      eNone,
-      eKill
-    } type;
-    lldb::SBThread thread;
-    lldb::SBLaunchInfo launch_info;
-
-    ActionWanted() : type(Type::eContinue), thread(), launch_info(NULL) {}
-
-    void None() {
-      type = Type::eNone;
-      thread = lldb::SBThread();
-    }
-
-    void Continue() {
-      type = Type::eContinue;
-      thread = lldb::SBThread();
-    }
-
-    void StepOver(lldb::SBThread t) {
-      type = Type::eStepOver;
-      thread = t;
-    }
-
-    void StepOut(lldb::SBThread t) {
-      type = Type::eStepOut;
-      thread = t;
-    }
-
-    void Relaunch(lldb::SBLaunchInfo l) {
-      type = Type::eRelaunch;
-      thread = lldb::SBThread();
-      launch_info = l;
-    }
-
-    void Kill() {
-      type = Type::eKill;
-      thread = lldb::SBThread();
-    }
-
-    void CallNext() {
-      type = Type::eCallNext;
-      thread = lldb::SBThread();
-    }
-  };
-
-  virtual ~TestCase() {}
-
-  virtual bool Setup(int &argc, const char **&argv);
-
-  virtual void TestStep(int counter, ActionWanted &next_action) = 0;
-
-  bool Launch(lldb::SBLaunchInfo &launch_info);
-
-  bool Launch(std::initializer_list<const char *> args = {});
-
-  void Loop();
-
-  void SetVerbose(bool);
-
-  bool GetVerbose();
-
-  virtual void WriteResults(Results &results) = 0;
-
-  template <typename G, typename A>
-  Measurement<G, A> CreateMeasurement(A a, const char *name = NULL,
-                                      const char *description = NULL) {
-    return Measurement<G, A>(a, name, description);
-  }
-
-  template <typename A>
-  TimeMeasurement<A> CreateTimeMeasurement(A a, const char *name = NULL,
-                                           const char *description = NULL) {
-    return TimeMeasurement<A>(a, name, description);
-  }
-
-  template <typename A>
-  MemoryMeasurement<A> CreateMemoryMeasurement(A a, const char *name = NULL,
-                                               const char *description = NULL) {
-    return MemoryMeasurement<A>(a, name, description);
-  }
-
-  static int Run(TestCase &test, int argc, const char **argv);
-
-  virtual bool ParseOption(int short_option, const char *optarg) {
-    return false;
-  }
-
-  virtual struct option *GetLongOptions() { return NULL; }
-
-  lldb::SBDebugger &GetDebugger() { return m_debugger; }
-
-  lldb::SBTarget &GetTarget() { return m_target; }
-
-  lldb::SBProcess &GetProcess() { return m_process; }
-
-  lldb::SBThread &GetThread() { return m_thread; }
-
-  int GetStep() { return m_step; }
-
-  static const int RUN_SUCCESS = 0;
-  static const int RUN_SETUP_ERROR = 100;
-
-protected:
-  lldb::SBDebugger m_debugger;
-  lldb::SBTarget m_target;
-  lldb::SBProcess m_process;
-  lldb::SBThread m_thread;
-  lldb::SBListener m_listener;
-  bool m_verbose;
-  int m_step;
-};
-}
-
-#endif /* defined(__PerfTestDriver__TestCase__) */
diff --git a/lldb/tools/lldb-perf/lib/Timer.cpp b/lldb/tools/lldb-perf/lib/Timer.cpp
deleted file mode 100644
index e4f3521786d..00000000000
--- a/lldb/tools/lldb-perf/lib/Timer.cpp
+++ /dev/null
@@ -1,46 +0,0 @@
-//===-- Timer.cpp -----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "Timer.h"
-#include <assert.h>
-
-using namespace lldb_perf;
-
-TimeGauge::TimeType TimeGauge::Now() { return high_resolution_clock::now(); }
-
-TimeGauge::TimeGauge() : m_start(), m_state(TimeGauge::State::eNeverUsed) {}
-
-void TimeGauge::Start() {
-  m_state = TimeGauge::State::eCounting;
-  m_start = Now();
-}
-
-double TimeGauge::Stop() {
-  m_stop = Now();
-  assert(m_state == TimeGauge::State::eCounting &&
-         "cannot stop a non-started clock");
-  m_state = TimeGauge::State::eStopped;
-  m_delta = duration_cast<duration<double>>(m_stop - m_start).count();
-  return m_delta;
-}
-
-double TimeGauge::GetStartValue() const {
-  return (double)m_start.time_since_epoch().count() *
-         (double)system_clock::period::num / (double)system_clock::period::den;
-}
-
-double TimeGauge::GetStopValue() const {
-  return (double)m_stop.time_since_epoch().count() *
-         (double)system_clock::period::num / (double)system_clock::period::den;
-}
-
-double TimeGauge::GetDeltaValue() const {
-  assert(m_state == TimeGauge::State::eStopped &&
-         "clock must be used before you can evaluate it");
-  return m_delta;
-}
diff --git a/lldb/tools/lldb-perf/lib/Timer.h b/lldb/tools/lldb-perf/lib/Timer.h
deleted file mode 100644
index 7159c88a00e..00000000000
--- a/lldb/tools/lldb-perf/lib/Timer.h
+++ /dev/null
@@ -1,48 +0,0 @@
-//===-- Timer.h -------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__Timer__
-#define __PerfTestDriver__Timer__
-
-#include "Gauge.h"
-
-#include <chrono>
-
-using namespace std::chrono;
-
-namespace lldb_perf {
-class TimeGauge : public Gauge<double> {
-public:
-  TimeGauge();
-
-  virtual ~TimeGauge() {}
-
-  void Start();
-
-  double Stop();
-
-  virtual double GetStartValue() const;
-
-  virtual double GetStopValue() const;
-
-  virtual double GetDeltaValue() const;
-
-private:
-  enum class State { eNeverUsed, eCounting, eStopped };
-
-  typedef high_resolution_clock::time_point TimeType;
-  TimeType m_start;
-  TimeType m_stop;
-  double m_delta;
-  State m_state;
-
-  TimeType Now();
-};
-}
-
-#endif /* defined(__PerfTestDriver__Timer__) */
diff --git a/lldb/tools/lldb-perf/lib/Xcode.cpp b/lldb/tools/lldb-perf/lib/Xcode.cpp
deleted file mode 100644
index 58344083214..00000000000
--- a/lldb/tools/lldb-perf/lib/Xcode.cpp
+++ /dev/null
@@ -1,136 +0,0 @@
-//===-- Xcode.cpp -----------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "Xcode.h"
-#include <string>
-
-using namespace std;
-using namespace lldb_perf;
-
-void Xcode::FetchVariable(SBValue value, uint32_t expand, bool verbose) {
-  auto name = value.GetName();
-  auto num_value = value.GetValueAsUnsigned(0);
-  auto summary = value.GetSummary();
-  auto in_scope = value.IsInScope();
-  auto has_children = value.MightHaveChildren();
-  auto type_1 = value.GetType();
-  auto type_2 = value.GetType();
-  auto type_name_1 = value.GetTypeName();
-  auto type_3 = value.GetType();
-  auto type_name_2 = value.GetTypeName();
-  if (verbose)
-    printf("%s %s = 0x%llx (%llu) %s\n", value.GetTypeName(), value.GetName(),
-           num_value, num_value, summary);
-  if (expand > 0) {
-    auto count = value.GetNumChildren();
-    for (int i = 0; i < count; i++) {
-      SBValue child(value.GetChildAtIndex(i, lldb::eDynamicCanRunTarget, true));
-      FetchVariable(child, expand - 1, verbose);
-    }
-  }
-}
-
-void Xcode::FetchModules(SBTarget target, bool verbose) {
-  auto count = target.GetNumModules();
-  for (int i = 0; i < count; i++) {
-    SBModule module(target.GetModuleAtIndex(i));
-    auto fspec = module.GetFileSpec();
-    std::string path(1024, 0);
-    fspec.GetPath(&path[0], 1024);
-    auto uuid = module.GetUUIDBytes();
-    if (verbose) {
-      printf("%s %s\n", path.c_str(), module.GetUUIDString());
-    }
-  }
-}
-
-void Xcode::FetchVariables(SBFrame frame, uint32_t expand, bool verbose) {
-  auto values =
-      frame.GetVariables(true, true, true, false, eDynamicCanRunTarget);
-  auto count = values.GetSize();
-  for (int i = 0; i < count; i++) {
-    SBValue value(values.GetValueAtIndex(i));
-    FetchVariable(value, expand, verbose);
-  }
-}
-
-void Xcode::FetchFrames(SBProcess process, bool variables, bool verbose) {
-  auto pCount = process.GetNumThreads();
-  for (int p = 0; p < pCount; p++) {
-    SBThread thread(process.GetThreadAtIndex(p));
-    auto tCount = thread.GetNumFrames();
-    if (verbose)
-      printf("%s %d %d {%d}\n", thread.GetQueueName(), tCount,
-             thread.GetStopReason(), eStopReasonBreakpoint);
-    for (int t = 0; t < tCount; t++) {
-      SBFrame frame(thread.GetFrameAtIndex(t));
-      auto fp = frame.GetFP();
-      SBThread thread_dup = frame.GetThread();
-      SBFileSpec filespec(process.GetTarget().GetExecutable());
-      std::string path(1024, 0);
-      filespec.GetPath(&path[0], 1024);
-      auto state = process.GetState();
-      auto pCount_dup = process.GetNumThreads();
-      auto byte_size = process.GetAddressByteSize();
-      auto pc = frame.GetPC();
-      SBSymbolContext context(frame.GetSymbolContext(0x0000006e));
-      SBModule module(context.GetModule());
-      SBLineEntry entry(context.GetLineEntry());
-      SBFileSpec entry_filespec(process.GetTarget().GetExecutable());
-      std::string entry_path(1024, 0);
-      entry_filespec.GetPath(&entry_path[0], 1024);
-      auto line_1 = entry.GetLine();
-      auto line_2 = entry.GetLine();
-      auto fname = frame.GetFunctionName();
-      if (verbose)
-        printf("%llu %s %d %d %llu %s %d %s\n", fp, path.c_str(), state,
-               byte_size, pc, entry_path.c_str(), line_1, fname);
-      if (variables)
-        FetchVariables(frame, 0, verbose);
-    }
-  }
-}
-
-void Xcode::RunExpression(SBFrame frame, const char *expression, bool po,
-                          bool verbose) {
-  SBValue value(frame.EvaluateExpression(expression, eDynamicCanRunTarget));
-  FetchVariable(value, 0, verbose);
-  if (po) {
-    auto descr = value.GetObjectDescription();
-    if (descr)
-      printf("po = %s\n", descr);
-  }
-}
-
-void Xcode::Next(SBThread thread) { thread.StepOver(); }
-
-void Xcode::Continue(SBProcess process) { process.Continue(); }
-
-void Xcode::RunCommand(SBDebugger debugger, const char *cmd, bool verbose) {
-  SBCommandReturnObject sb_ret;
-  auto interpreter = debugger.GetCommandInterpreter();
-  interpreter.HandleCommand(cmd, sb_ret);
-  if (verbose)
-    printf("%s\n%s\n", sb_ret.GetOutput(false), sb_ret.GetError(false));
-}
-
-SBThread Xcode::GetThreadWithStopReason(SBProcess process, StopReason reason) {
-  auto threads_count = process.GetNumThreads();
-  for (auto thread_num = 0; thread_num < threads_count; thread_num++) {
-    SBThread thread(process.GetThreadAtIndex(thread_num));
-    if (thread.GetStopReason() == reason) {
-      return thread;
-    }
-  }
-  return SBThread();
-}
-
-SBBreakpoint Xcode::CreateFileLineBreakpoint(SBTarget target, const char *file,
-                                             uint32_t line) {
-  return target.BreakpointCreateByLocation(file, line);
-}
diff --git a/lldb/tools/lldb-perf/lib/Xcode.h b/lldb/tools/lldb-perf/lib/Xcode.h
deleted file mode 100644
index 618b971de37..00000000000
--- a/lldb/tools/lldb-perf/lib/Xcode.h
+++ /dev/null
@@ -1,57 +0,0 @@
-//===-- Xcode.h -------------------------------------------------*- C++ -*-===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef __PerfTestDriver__Xcode__
-#define __PerfTestDriver__Xcode__
-
-#include "lldb/API/SBBreakpoint.h"
-#include "lldb/API/SBCommandInterpreter.h"
-#include "lldb/API/SBCommandReturnObject.h"
-#include "lldb/API/SBDebugger.h"
-#include "lldb/API/SBDefines.h"
-#include "lldb/API/SBLineEntry.h"
-#include "lldb/API/SBModule.h"
-#include "lldb/API/SBProcess.h"
-#include "lldb/API/SBTarget.h"
-#include "lldb/API/SBThread.h"
-#include "lldb/API/SBValue.h"
-
-using namespace lldb;
-
-namespace lldb_perf {
-class Xcode {
-public:
-  static void FetchVariable(SBValue value, uint32_t expand = 0,
-                            bool verbose = false);
-
-  static void FetchModules(SBTarget target, bool verbose = false);
-
-  static void FetchVariables(SBFrame frame, uint32_t expand = 0,
-                             bool verbose = false);
-
-  static void FetchFrames(SBProcess process, bool variables = false,
-                          bool verbose = false);
-
-  static void RunExpression(SBFrame frame, const char *expression,
-                            bool po = false, bool verbose = false);
-
-  static void Next(SBThread thread);
-
-  static void Continue(SBProcess process);
-
-  static void RunCommand(SBDebugger debugger, const char *cmd,
-                         bool verbose = false);
-
-  static SBThread GetThreadWithStopReason(SBProcess process, StopReason reason);
-
-  static SBBreakpoint CreateFileLineBreakpoint(SBTarget target,
-                                               const char *file, uint32_t line);
-};
-}
-
-#endif /* defined(__PerfTestDriver__Xcode__) */
diff --git a/lldb/tools/lldb-perf/lldbperf.xcodeproj/project.pbxproj b/lldb/tools/lldb-perf/lldbperf.xcodeproj/project.pbxproj
deleted file mode 100644
index 0750f700b11..00000000000
--- a/lldb/tools/lldb-perf/lldbperf.xcodeproj/project.pbxproj
+++ /dev/null
@@ -1,1224 +0,0 @@
-// !$*UTF8*$!
-{
-	archiveVersion = 1;
-	classes = {
-	};
-	objectVersion = 46;
-	objects = {
-
-/* Begin PBXAggregateTarget section */
-		4C1E37E316F7A0A500FF10BB /* All Perf Tests */ = {
-			isa = PBXAggregateTarget;
-			buildConfigurationList = 4C1E37E416F7A0A600FF10BB /* Build configuration list for PBXAggregateTarget "All Perf Tests" */;
-			buildPhases = (
-			);
-			dependencies = (
-				4CE3706916FB6FCA00BFD501 /* PBXTargetDependency */,
-				4CE3706B16FB6FCC00BFD501 /* PBXTargetDependency */,
-				4CE3706D16FB6FCF00BFD501 /* PBXTargetDependency */,
-				4CE3706F16FB6FD200BFD501 /* PBXTargetDependency */,
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-			name = "All Perf Tests";
-			productName = All;
-		};
-/* End PBXAggregateTarget section */
-
-/* Begin PBXBuildFile section */
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