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-rw-r--r--lldb/tools/lldb-perf/common/stepping/lldb-perf-stepping.cpp287
1 files changed, 0 insertions, 287 deletions
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;
-}
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