anton-afanasyev updated this revision to Diff 211481.
anton-afanasyev marked 8 inline comments as done.
anton-afanasyev added a comment.
Update
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D65202/new/
https://reviews.llvm.org/D65202
Files:
clang/docs/ClangCommandLineReference.rst
clang/include/clang/Basic/CodeGenOptions.def
clang/include/clang/Driver/Options.td
clang/include/clang/Frontend/FrontendOptions.h
clang/lib/Driver/ToolChains/Clang.cpp
clang/lib/Frontend/CompilerInvocation.cpp
clang/test/Driver/check-time-trace.cpp
clang/tools/driver/cc1_main.cpp
llvm/include/llvm/Support/TimeProfiler.h
llvm/lib/Support/TimeProfiler.cpp
Index: llvm/lib/Support/TimeProfiler.cpp
===================================================================
--- llvm/lib/Support/TimeProfiler.cpp
+++ llvm/lib/Support/TimeProfiler.cpp
@@ -24,12 +24,6 @@
namespace llvm {
-static cl::opt<unsigned> TimeTraceGranularity(
- "time-trace-granularity",
- cl::desc(
- "Minimum time granularity (in microseconds) traced by time profiler"),
- cl::init(500));
-
TimeTraceProfiler *TimeTraceProfilerInstance = nullptr;
typedef duration<steady_clock::rep, steady_clock::period> DurationType;
@@ -161,12 +155,16 @@
SmallVector<Entry, 128> Entries;
StringMap<CountAndDurationType> CountAndTotalPerName;
time_point<steady_clock> StartTime;
+
+ // Minimum time granularity (in microseconds)
+ unsigned TimeTraceGranularity;
};
-void timeTraceProfilerInitialize() {
+void timeTraceProfilerInitialize(unsigned TimeTraceGranularity) {
assert(TimeTraceProfilerInstance == nullptr &&
"Profiler should not be initialized");
TimeTraceProfilerInstance = new TimeTraceProfiler();
+ TimeTraceProfilerInstance->TimeTraceGranularity = TimeTraceGranularity;
}
void timeTraceProfilerCleanup() {
Index: llvm/include/llvm/Support/TimeProfiler.h
===================================================================
--- llvm/include/llvm/Support/TimeProfiler.h
+++ llvm/include/llvm/Support/TimeProfiler.h
@@ -19,7 +19,7 @@
/// Initialize the time trace profiler.
/// This sets up the global \p TimeTraceProfilerInstance
/// variable to be the profiler instance.
-void timeTraceProfilerInitialize();
+void timeTraceProfilerInitialize(unsigned TimeTraceGranularity);
/// Cleanup the time trace profiler, if it was initialized.
void timeTraceProfilerCleanup();
Index: clang/tools/driver/cc1_main.cpp
===================================================================
--- clang/tools/driver/cc1_main.cpp
+++ clang/tools/driver/cc1_main.cpp
@@ -216,9 +216,10 @@
bool Success = CompilerInvocation::CreateFromArgs(
Clang->getInvocation(), Argv.begin(), Argv.end(), Diags);
- if (Clang->getFrontendOpts().TimeTrace)
- llvm::timeTraceProfilerInitialize();
-
+ if (Clang->getFrontendOpts().TimeTrace) {
+ llvm::timeTraceProfilerInitialize(
+ Clang->getFrontendOpts().TimeTraceGranularity);
+ }
// --print-supported-cpus takes priority over the actual compilation.
if (Clang->getFrontendOpts().PrintSupportedCPUs)
return PrintSupportedCPUs(Clang->getTargetOpts().Triple);
Index: clang/test/Driver/check-time-trace.cpp
===================================================================
--- clang/test/Driver/check-time-trace.cpp
+++ clang/test/Driver/check-time-trace.cpp
@@ -1,5 +1,5 @@
// REQUIRES: shell
-// RUN: %clangxx -S -ftime-trace -mllvm --time-trace-granularity=0 -o %T/check-time-trace %s
+// RUN: %clangxx -S -ftime-trace -ftime-trace-granularity=0 -o %T/check-time-trace %s
// RUN: cat %T/check-time-trace.json \
// RUN: | %python -c 'import json, sys; json.dump(json.loads(sys.stdin.read()), sys.stdout, sort_keys=True, indent=2)' \
// RUN: | FileCheck %s
Index: clang/lib/Frontend/CompilerInvocation.cpp
===================================================================
--- clang/lib/Frontend/CompilerInvocation.cpp
+++ clang/lib/Frontend/CompilerInvocation.cpp
@@ -1769,6 +1769,8 @@
Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
Opts.PrintSupportedCPUs = Args.hasArg(OPT_print_supported_cpus);
Opts.TimeTrace = Args.hasArg(OPT_ftime_trace);
+ Opts.TimeTraceGranularity =
+ getLastArgIntValue(Args, OPT_ftime_trace_granularity_EQ, 500, Diags);
Opts.ShowVersion = Args.hasArg(OPT_version);
Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
Index: clang/lib/Driver/ToolChains/Clang.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Clang.cpp
+++ clang/lib/Driver/ToolChains/Clang.cpp
@@ -4575,6 +4575,7 @@
Args.AddLastArg(CmdArgs, options::OPT_fdiagnostics_parseable_fixits);
Args.AddLastArg(CmdArgs, options::OPT_ftime_report);
Args.AddLastArg(CmdArgs, options::OPT_ftime_trace);
+ Args.AddLastArg(CmdArgs, options::OPT_ftime_trace_granularity_EQ);
Args.AddLastArg(CmdArgs, options::OPT_ftrapv);
Args.AddLastArg(CmdArgs, options::OPT_malign_double);
Index: clang/include/clang/Frontend/FrontendOptions.h
===================================================================
--- clang/include/clang/Frontend/FrontendOptions.h
+++ clang/include/clang/Frontend/FrontendOptions.h
@@ -451,6 +451,9 @@
/// Filename to write statistics to.
std::string StatsFile;
+ /// Minimum time granularity (in microseconds) traced by time profiler.
+ unsigned TimeTraceGranularity;
+
public:
FrontendOptions()
: DisableFree(false), RelocatablePCH(false), ShowHelp(false),
@@ -461,7 +464,7 @@
UseGlobalModuleIndex(true), GenerateGlobalModuleIndex(true),
ASTDumpDecls(false), ASTDumpLookups(false),
BuildingImplicitModule(false), ModulesEmbedAllFiles(false),
- IncludeTimestamps(true) {}
+ IncludeTimestamps(true), TimeTraceGranularity(500) {}
/// getInputKindForExtension - Return the appropriate input kind for a file
/// extension. For example, "c" would return InputKind::C.
Index: clang/include/clang/Driver/Options.td
===================================================================
--- clang/include/clang/Driver/Options.td
+++ clang/include/clang/Driver/Options.td
@@ -1757,7 +1757,11 @@
def : Flag<["-"], "fterminated-vtables">, Alias<fapple_kext>;
def fthreadsafe_statics : Flag<["-"], "fthreadsafe-statics">, Group<f_Group>;
def ftime_report : Flag<["-"], "ftime-report">, Group<f_Group>, Flags<[CC1Option]>;
-def ftime_trace : Flag<["-"], "ftime-trace">, Group<f_Group>, Flags<[CC1Option, CoreOption]>;
+def ftime_trace : Flag<["-"], "ftime-trace">, Group<f_Group>,
+ HelpText<"Turn on time profiler">, Flags<[CC1Option, CoreOption]>;
+def ftime_trace_granularity_EQ : Joined<["-"], "ftime-trace-granularity=">, Group<f_Group>,
+ HelpText<"Minimum time granularity (in microseconds) traced by time profiler">,
+ Flags<[CC1Option, CoreOption]>;
def ftlsmodel_EQ : Joined<["-"], "ftls-model=">, Group<f_Group>, Flags<[CC1Option]>;
def ftrapv : Flag<["-"], "ftrapv">, Group<f_Group>, Flags<[CC1Option]>,
HelpText<"Trap on integer overflow">;
Index: clang/include/clang/Basic/CodeGenOptions.def
===================================================================
--- clang/include/clang/Basic/CodeGenOptions.def
+++ clang/include/clang/Basic/CodeGenOptions.def
@@ -226,6 +226,8 @@
CODEGENOPT(StrictVTablePointers, 1, 0) ///< Optimize based on the strict vtable pointers
CODEGENOPT(TimePasses , 1, 0) ///< Set when -ftime-report is enabled.
CODEGENOPT(TimeTrace , 1, 0) ///< Set when -ftime-trace is enabled.
+VALUE_CODEGENOPT(TimeTraceGranularity, 32, 500) ///< Minimum time granularity (in microseconds),
+ ///< traced by time profiler
CODEGENOPT(UnrollLoops , 1, 0) ///< Control whether loops are unrolled.
CODEGENOPT(RerollLoops , 1, 0) ///< Control whether loops are rerolled.
CODEGENOPT(NoUseJumpTables , 1, 0) ///< Set when -fno-jump-tables is enabled.
Index: clang/docs/ClangCommandLineReference.rst
===================================================================
--- clang/docs/ClangCommandLineReference.rst
+++ clang/docs/ClangCommandLineReference.rst
@@ -1942,6 +1942,14 @@
.. option:: -ftime-report
+.. option:: -ftime-trace
+
+Turn on time profiler
+
+.. option:: -ftime-trace-granularity=<arg>
+
+Minimum time granularity (in microseconds) traced by time profiler
+
.. option:: -ftls-model=<arg>
.. option:: -ftrap-function=<arg>
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