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ebb5e3922d
Previously, the Start/Stop routines were called before the benchmark function
was called and after it returned. However, what we really want is for them
to be called within the core of the benchmark:
for (auto _ : state) {
// This is what we want traced, not the entire BM_foo function.
}
51 lines
1.7 KiB
C++
51 lines
1.7 KiB
C++
// FIXME: WIP
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#include <memory>
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#include "benchmark/benchmark.h"
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#include "output_test.h"
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class TestProfilerManager : public benchmark::ProfilerManager {
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public:
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void AfterSetupStart() override { ++start_called; }
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void BeforeTeardownStop() override { ++stop_called; }
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int start_called = 0;
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int stop_called = 0;
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};
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void BM_empty(benchmark::State& state) {
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for (auto _ : state) {
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auto iterations = state.iterations();
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benchmark::DoNotOptimize(iterations);
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}
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}
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BENCHMARK(BM_empty);
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ADD_CASES(TC_ConsoleOut, {{"^BM_empty %console_report$"}});
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ADD_CASES(TC_JSONOut, {{"\"name\": \"BM_empty\",$"},
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{"\"family_index\": 0,$", MR_Next},
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{"\"per_family_instance_index\": 0,$", MR_Next},
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{"\"run_name\": \"BM_empty\",$", MR_Next},
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{"\"run_type\": \"iteration\",$", MR_Next},
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{"\"repetitions\": 1,$", MR_Next},
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{"\"repetition_index\": 0,$", MR_Next},
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{"\"threads\": 1,$", MR_Next},
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{"\"iterations\": %int,$", MR_Next},
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{"\"real_time\": %float,$", MR_Next},
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{"\"cpu_time\": %float,$", MR_Next},
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{"\"time_unit\": \"ns\"$", MR_Next},
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{"}", MR_Next}});
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ADD_CASES(TC_CSVOut, {{"^\"BM_empty\",%csv_report$"}});
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int main(int argc, char* argv[]) {
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std::unique_ptr<TestProfilerManager> pm(new TestProfilerManager());
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benchmark::RegisterProfilerManager(pm.get());
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RunOutputTests(argc, argv);
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benchmark::RegisterProfilerManager(nullptr);
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assert(pm->start_called == 1);
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assert(pm->stop_called == 1);
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}
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