From d880de2d19d46f7cfea7aa593602458440bc1e8d Mon Sep 17 00:00:00 2001 From: Anton Afanasyev Date: Sat, 30 Mar 2019 08:42:48 +0000 Subject: Adds `-ftime-trace` option to clang that produces Chrome `chrome://tracing` compatible JSON profiling output dumps. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This change adds hierarchical "time trace" profiling blocks that can be visualized in Chrome, in a "flame chart" style. Each profiling block can have a "detail" string that for example indicates the file being processed, template name being instantiated, function being optimized etc. This is taken from GitHub PR: https://github.com/aras-p/llvm-project-20170507/pull/2 Patch by Aras Pranckevičius. Differential Revision: https://reviews.llvm.org/D58675 llvm-svn: 357340 --- clang/lib/Frontend/CompilerInvocation.cpp | 1 + 1 file changed, 1 insertion(+) (limited to 'clang/lib/Frontend/CompilerInvocation.cpp') diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index b5872b9..7f1fb90 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -1717,6 +1717,7 @@ static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args, Opts.ShowHelp = Args.hasArg(OPT_help); Opts.ShowStats = Args.hasArg(OPT_print_stats); Opts.ShowTimers = Args.hasArg(OPT_ftime_report); + Opts.TimeTrace = Args.hasArg(OPT_ftime_trace); Opts.ShowVersion = Args.hasArg(OPT_version); Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge); Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm); -- cgit v1.1