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author | 2023-03-06 20:25:41 +0530 | |
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committer | 2023-03-06 20:25:41 +0530 | |
commit | 079dd8737bbaaaeeca3a95c2b858a62d8a620d5a (patch) | |
tree | 6af54966e17bcfe48ecdb0b5cdf43cc953d5358c /absl/profiling/internal/periodic_sampler_benchmark.cc | |
parent | 2bbc47f307f1e24f3f44a108d571bffa5a3faa63 (diff) | |
parent | f5afcb784c9b1c501c1144b7aab84555881ca871 (diff) |
Merge tag '20220623.1-1' into bullseye-backports-staging
Diffstat (limited to 'absl/profiling/internal/periodic_sampler_benchmark.cc')
-rw-r--r-- | absl/profiling/internal/periodic_sampler_benchmark.cc | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/absl/profiling/internal/periodic_sampler_benchmark.cc b/absl/profiling/internal/periodic_sampler_benchmark.cc new file mode 100644 index 00000000..8f0e5574 --- /dev/null +++ b/absl/profiling/internal/periodic_sampler_benchmark.cc @@ -0,0 +1,79 @@ +// Copyright 2019 The Abseil Authors. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// https://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +#include "absl/profiling/internal/periodic_sampler.h" +#include "benchmark/benchmark.h" + +namespace absl { +ABSL_NAMESPACE_BEGIN +namespace profiling_internal { +namespace { + +template <typename Sampler> +void BM_Sample(Sampler* sampler, benchmark::State& state) { + for (auto _ : state) { + benchmark::DoNotOptimize(sampler); + benchmark::DoNotOptimize(sampler->Sample()); + } +} + +template <typename Sampler> +void BM_SampleMinunumInlined(Sampler* sampler, benchmark::State& state) { + for (auto _ : state) { + benchmark::DoNotOptimize(sampler); + if (ABSL_PREDICT_FALSE(sampler->SubtleMaybeSample())) { + benchmark::DoNotOptimize(sampler->SubtleConfirmSample()); + } + } +} + +void BM_PeriodicSampler_TinySample(benchmark::State& state) { + struct Tag {}; + PeriodicSampler<Tag, 10> sampler; + BM_Sample(&sampler, state); +} +BENCHMARK(BM_PeriodicSampler_TinySample); + +void BM_PeriodicSampler_ShortSample(benchmark::State& state) { + struct Tag {}; + PeriodicSampler<Tag, 1024> sampler; + BM_Sample(&sampler, state); +} +BENCHMARK(BM_PeriodicSampler_ShortSample); + +void BM_PeriodicSampler_LongSample(benchmark::State& state) { + struct Tag {}; + PeriodicSampler<Tag, 1024 * 1024> sampler; + BM_Sample(&sampler, state); +} +BENCHMARK(BM_PeriodicSampler_LongSample); + +void BM_PeriodicSampler_LongSampleMinunumInlined(benchmark::State& state) { + struct Tag {}; + PeriodicSampler<Tag, 1024 * 1024> sampler; + BM_SampleMinunumInlined(&sampler, state); +} +BENCHMARK(BM_PeriodicSampler_LongSampleMinunumInlined); + +void BM_PeriodicSampler_Disabled(benchmark::State& state) { + struct Tag {}; + PeriodicSampler<Tag, 0> sampler; + BM_Sample(&sampler, state); +} +BENCHMARK(BM_PeriodicSampler_Disabled); + +} // namespace +} // namespace profiling_internal +ABSL_NAMESPACE_END +} // namespace absl |