Add in compile out tracers option

pull/15108/head
ncteisen 7 years ago
parent 1d74fa6748
commit b85354ee49
  1. 11
      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);

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