ExceptionTracerBenchmark.cpp File Reference

#include <stdexcept>
#include <thread>
#include <vector>
#include <glog/logging.h>
#include <folly/Benchmark.h>
#include <folly/experimental/exception_tracer/ExceptionTracer.h>
#include <folly/portability/GFlags.h>

Go to the source code of this file.

Functions
void	recurse (int level)
void	loop (int iters)
	BENCHMARK (ExceptionTracer, iters)
int	main (int argc, char *argv[])

Function Documentation

BENCHMARK	(	ExceptionTracer	,
		iters
	)

Definition at line 45 of file ExceptionTracerBenchmark.cpp.

References kNumThreads, loop(), folly::pushmi::detail::t, and threads.

                                  {
  std::vector<std::thread> threads;
  constexpr size_t kNumThreads = 10;
  threads.resize(kNumThreads);
  for (auto& t : threads) {
    t = std::thread([iters]() { loop(iters); });
  }
  for (auto& t : threads) {
    t.join();
  }
}

void loop

(

int

iters

)

Definition at line 35 of file ExceptionTracerBenchmark.cpp.

References folly::exception_tracer::getCurrentExceptions(), i, and recurse().

Referenced by BENCHMARK(), folly::EventBase::EventBase(), fizz::tool::fizzServerCommand(), main(), runBenchmark(), and TEST_F().

                     {
  for (int i = 0; i < iters * 100; ++i) {
    try {
      recurse(100);
    } catch (const std::exception& e) {
      folly::exception_tracer::getCurrentExceptions();
    }
  }
}

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 57 of file ExceptionTracerBenchmark.cpp.

References folly::runBenchmarks().

                                 {
  gflags::ParseCommandLineFlags(&argc, &argv, true);
  google::InitGoogleLogging(argv[0]);
  folly::runBenchmarks();
  return 0;
}

void recurse

(

int

level

)

Definition at line 27 of file ExceptionTracerBenchmark.cpp.

References folly::doNotOptimizeAway().

Referenced by loop().

                        {
  if (level == 0) {
    throw std::runtime_error("");
  }
  recurse(level - 1);
  folly::doNotOptimizeAway(0); // prevent tail recursion
}