diff options
author | 2018-04-19 12:01:06 -0700 | |
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committer | 2018-04-30 14:30:50 -0700 | |
commit | b85354ee49569dcf5c10b965a14c1a4451e91edf (patch) | |
tree | 85b0a5acf123bf7c272253b7b60405100b1a87b7 /src | |
parent | 1d74fa67480550b0476b45c9fc5030e5478efc5a (diff) |
Add in compile out tracers option
Diffstat (limited to 'src')
-rw-r--r-- | src/core/lib/debug/trace.h | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/core/lib/debug/trace.h b/src/core/lib/debug/trace.h index bfec92c529..28157c6383 100644 --- a/src/core/lib/debug/trace.h +++ b/src/core/lib/debug/trace.h @@ -57,13 +57,22 @@ class TraceFlag { const char* name() const { return name_; } +// This following define may be commented out to ensure that the compiler +// deletes any "if (tracer.enabled()) {...}" codeblocks. This is useful to +// test the performance impact tracers have on the system. +// +// #define COMPILE_OUT_ALL_TRACERS_IN_OPT_BUILD +#ifdef COMPILE_OUT_ALL_TRACERS_IN_OPT_BUILD + bool enabled() { return false; } +#else bool enabled() { #ifdef GRPC_THREADSAFE_TRACER return gpr_atm_no_barrier_load(&value_) != 0; #else return value_; -#endif +#endif // GRPC_THREADSAFE_TRACER } +#endif // COMPILE_OUT_ALL_TRACERS_IN_OPT_BUILD private: friend void grpc_core::testing::grpc_tracer_enable_flag(TraceFlag* flag); |