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RocksDB for Erlang

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rocksdb deps snappy third_party benchmark test perf_counters_test.cc
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deps/snappy/third_party/benchmark/test/perf_counters_test.cc 

#undef NDEBUG



#include "../src/perf_counters.h"



#include "../src/commandlineflags.h"

#include "benchmark/benchmark.h"

#include "output_test.h"



namespace benchmark {



BM_DECLARE_string(benchmark_perf_counters);



}  // namespace benchmark



static void BM_Simple(benchmark::State& state) {

  for (auto _ : state) {

    auto iterations = state.iterations();

    benchmark::DoNotOptimize(iterations);

  }

}

BENCHMARK(BM_Simple);

ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_Simple\",$"}});



static void CheckSimple(Results const& e) {

  CHECK_COUNTER_VALUE(e, double, "CYCLES", GT, 0);

  CHECK_COUNTER_VALUE(e, double, "BRANCHES", GT, 0.0);

}

CHECK_BENCHMARK_RESULTS("BM_Simple", &CheckSimple);



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

  if (!benchmark::internal::PerfCounters::kSupported) {

    return 0;

  }

  benchmark::FLAGS_benchmark_perf_counters = "CYCLES,BRANCHES";

  benchmark::internal::PerfCounters::Initialize();

  RunOutputTests(argc, argv);

}