forked from OSchip/llvm-project
Added option parsing to the lldb_perf_clang performance test.
llvm-svn: 177759
This commit is contained in:
Greg Clayton
parent
d96a7a6be8
commit
ad900f9c85
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@ -16,6 +16,7 @@
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#include <iostream>
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#include <unistd.h>
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#include <fstream>
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#include <getopt.h>
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using namespace lldb_perf;
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@ -27,9 +28,13 @@ public:
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m_set_bp_main_by_name(CreateTimeMeasurement([this] () -> void
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{
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m_target.BreakpointCreateByName("main");
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m_target.BreakpointCreateByName("malloc");
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}, "breakpoint1-relative-time", "Elapsed time to set a breakpoint at main by name, run and hit the breakpoint.")),
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m_delta_memory("breakpoint1-memory-delta", "Memory increase that occurs due to setting a breakpoint at main by name.")
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m_delta_memory("breakpoint1-memory-delta", "Memory increase that occurs due to setting a breakpoint at main by name."),
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m_total_memory(),
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m_exe_path(),
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m_out_path(),
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m_launch_info (NULL),
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m_use_dsym (false)
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{
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}
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@ -41,9 +46,11 @@ public:
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virtual bool
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Setup (int argc, const char** argv)
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{
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SetVerbose(true);
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m_app_path.assign(argv[1]);
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m_out_path.assign(argv[2]);
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if (m_exe_path.empty())
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return false;
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if (m_out_path.empty())
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return false;
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m_launch_info.SetArguments(argv, false);
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return true;
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}
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@ -60,7 +67,7 @@ public:
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case 0:
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{
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m_total_memory.Start();
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m_target = m_debugger.CreateTarget(m_app_path.c_str());
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m_target = m_debugger.CreateTarget(m_exe_path.c_str());
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const char *clang_argv[] = { "clang --version", NULL };
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m_delta_memory.Start();
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m_set_bp_main_by_name();
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@ -100,21 +107,230 @@ public:
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results.Write(m_out_path.c_str());
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}
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const char *
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GetExecutablePath () const
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{
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if (m_exe_path.empty())
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return NULL;
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return m_exe_path.c_str();
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}
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const char *
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GetResultFilePath () const
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{
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if (m_out_path.empty())
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return NULL;
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return m_out_path.c_str();
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}
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void
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SetExecutablePath (const char *path)
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{
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if (path && path[0])
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m_exe_path = path;
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else
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m_exe_path.clear();
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}
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void
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SetResultFilePath (const char *path)
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{
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if (path && path[0])
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m_out_path = path;
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else
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m_out_path.clear();
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}
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void
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SetUseDSYM (bool b)
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{
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m_use_dsym = b;
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}
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private:
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// C++ formatters
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TimeMeasurement<std::function<void()>> m_set_bp_main_by_name;
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MemoryMeasurement<std::function<void()>> m_delta_memory;
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MemoryGauge m_total_memory;
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std::string m_app_path;
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std::string m_exe_path;
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std::string m_out_path;
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SBLaunchInfo m_launch_info;
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bool m_use_dsym;
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};
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// argv[1] == path to app
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// argv[2] == path to result
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struct Options
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{
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std::string clang_path;
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std::string out_file;
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bool verbose;
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bool use_dsym;
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bool error;
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bool print_help;
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Options() :
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verbose (false),
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error (false),
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print_help (false)
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{
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}
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};
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static struct option g_long_options[] = {
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{ "verbose", no_argument, NULL, 'v' },
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{ "clang", required_argument, NULL, 'c' },
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{ "out-file", required_argument, NULL, 'o' },
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{ "dsym", no_argument, NULL, 'd' },
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{ NULL, 0, NULL, 0 }
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};
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std::string
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GetShortOptionString (struct option *long_options)
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{
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std::string option_string;
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for (int i = 0; long_options[i].name != NULL; ++i)
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{
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if (long_options[i].flag == NULL)
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{
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option_string.push_back ((char) long_options[i].val);
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switch (long_options[i].has_arg)
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{
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default:
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case no_argument:
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break;
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case required_argument:
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option_string.push_back (':');
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break;
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case optional_argument:
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option_string.append (2, ':');
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break;
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}
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}
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}
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return option_string;
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}
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int main(int argc, const char * argv[])
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{
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// Prepare for & make calls to getopt_long.
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std::string short_option_string (GetShortOptionString(g_long_options));
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ClangTest test;
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Options option_data;
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bool done = false;
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#if __GLIBC__
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optind = 0;
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#else
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optreset = 1;
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optind = 1;
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#endif
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while (!done)
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{
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int long_options_index = -1;
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const int short_option = ::getopt_long_only (argc,
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const_cast<char **>(argv),
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short_option_string.c_str(),
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g_long_options,
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&long_options_index);
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switch (short_option)
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{
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case 0:
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// Already handled
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break;
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case -1:
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done = true;
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break;
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case '?':
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option_data.print_help = true;
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break;
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case 'h':
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option_data.print_help = true;
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break;
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case 'v':
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option_data.verbose = true;
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break;
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case 'c':
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{
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SBFileSpec file(optarg);
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if (file.Exists())
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test.SetExecutablePath(optarg);
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else
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fprintf(stderr, "error: file specified in --clang (-c) option doesn't exist: '%s'\n", optarg);
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}
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break;
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case 'o':
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test.SetResultFilePath(optarg);
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break;
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case 'd':
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test.SetUseDSYM(true);
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break;
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default:
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option_data.error = true;
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option_data.print_help = true;
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fprintf (stderr, "error: unrecognized option %c\n", short_option);
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break;
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}
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}
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if (test.GetExecutablePath() == NULL)
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{
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// --clang is mandatory
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option_data.print_help = true;
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option_data.error = true;
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fprintf (stderr, "error: the '--clang=PATH' option is mandatory\n");
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}
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if (test.GetResultFilePath() == NULL)
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{
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// --out-file is mandatory
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option_data.print_help = true;
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option_data.error = true;
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fprintf (stderr, "error: the '--out-file=PATH' option is mandatory\n");
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}
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if (option_data.print_help)
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{
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puts(R"(
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NAME
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lldb_perf_clang -- a tool that measures LLDB peformance while debugging clang.
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SYNOPSIS
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lldb_perf_clang --clang=PATH --out-file=PATH [--verbose --dsym] -- [clang options]
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DESCRIPTION
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Runs a set of static timing and memory tasks against clang and outputs results
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to a plist file.
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)");
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}
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if (option_data.error)
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{
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exit(1);
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}
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// Update argc and argv after parsing options
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argc -= optind;
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argv += optind;
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test.SetVerbose(true);
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TestCase::Run(test, argc, argv);
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return 0;
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