diff options
Diffstat (limited to 'deps/v8/tools/ignition/linux_perf_report.py')
| -rwxr-xr-x | deps/v8/tools/ignition/linux_perf_report.py | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/deps/v8/tools/ignition/linux_perf_report.py b/deps/v8/tools/ignition/linux_perf_report.py index 69db37cbae..4e0b8844ea 100755 --- a/deps/v8/tools/ignition/linux_perf_report.py +++ b/deps/v8/tools/ignition/linux_perf_report.py @@ -54,6 +54,8 @@ COMPILER_SYMBOLS_RE = re.compile( r"v8::internal::(?:\(anonymous namespace\)::)?Compile|v8::internal::Parser") JIT_CODE_SYMBOLS_RE = re.compile( r"(LazyCompile|Compile|Eval|Script):(\*|~)") +GC_SYMBOLS_RE = re.compile( + r"v8::internal::Heap::CollectGarbage") def strip_function_parameters(symbol): @@ -74,7 +76,7 @@ def strip_function_parameters(symbol): def collapsed_callchains_generator(perf_stream, hide_other=False, hide_compiler=False, hide_jit=False, - show_full_signatures=False): + hide_gc=False, show_full_signatures=False): current_chain = [] skip_until_end_of_chain = False compiler_symbol_in_chain = False @@ -122,6 +124,11 @@ def collapsed_callchains_generator(perf_stream, hide_other=False, current_chain.append("[jit]") yield current_chain skip_until_end_of_chain = True + elif GC_SYMBOLS_RE.match(symbol): + if not hide_gc: + current_chain.append("[gc]") + yield current_chain + skip_until_end_of_chain = True elif symbol == "Stub:CEntryStub" and compiler_symbol_in_chain: if not hide_compiler: current_chain.append("[compiler]") @@ -212,6 +219,11 @@ def parse_command_line(): action="store_true" ) command_line_parser.add_argument( + "--hide-gc", + help="Hide samples from garbage collection", + action="store_true" + ) + command_line_parser.add_argument( "--show-full-signatures", "-s", help="show full signatures instead of function names", action="store_true" @@ -237,7 +249,8 @@ def main(): callchains = collapsed_callchains_generator( perf.stdout, program_options.hide_other, program_options.hide_compiler, - program_options.hide_jit, program_options.show_full_signatures) + program_options.hide_jit, program_options.hide_gc, + program_options.show_full_signatures) if program_options.output_flamegraph: write_flamegraph_input_file(program_options.output_stream, callchains) |