diff options
Diffstat (limited to 'lldb/tools/lldb-perf/common/clang/lldb_perf_clang.cpp')
| -rw-r--r-- | lldb/tools/lldb-perf/common/clang/lldb_perf_clang.cpp | 441 |
1 files changed, 0 insertions, 441 deletions
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; -} |
