79 lines
2.8 KiB
C++
79 lines
2.8 KiB
C++
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// Copyright 2019 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/profiler/sample_metadata.h"
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#include "base/metrics/metrics_hashes.h"
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#include "base/no_destructor.h"
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#include "base/profiler/stack_sampling_profiler.h"
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namespace base {
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ScopedSampleMetadata::ScopedSampleMetadata(StringPiece name, int64_t value)
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: name_hash_(HashMetricName(name)) {
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GetSampleMetadataRecorder()->Set(name_hash_, nullopt, value);
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}
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ScopedSampleMetadata::ScopedSampleMetadata(StringPiece name,
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int64_t key,
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int64_t value)
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: name_hash_(HashMetricName(name)), key_(key) {
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GetSampleMetadataRecorder()->Set(name_hash_, key, value);
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}
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ScopedSampleMetadata::~ScopedSampleMetadata() {
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GetSampleMetadataRecorder()->Remove(name_hash_, key_);
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}
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void SetSampleMetadata(StringPiece name, int64_t value) {
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GetSampleMetadataRecorder()->Set(HashMetricName(name), nullopt, value);
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}
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void SetSampleMetadata(StringPiece name, int64_t key, int64_t value) {
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GetSampleMetadataRecorder()->Set(HashMetricName(name), key, value);
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}
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void RemoveSampleMetadata(StringPiece name) {
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GetSampleMetadataRecorder()->Remove(HashMetricName(name), nullopt);
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}
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void RemoveSampleMetadata(StringPiece name, int64_t key) {
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GetSampleMetadataRecorder()->Remove(HashMetricName(name), key);
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}
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// This function is friended by StackSamplingProfiler so must live directly in
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// the base namespace.
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void ApplyMetadataToPastSamplesImpl(TimeTicks period_start,
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TimeTicks period_end,
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int64_t name_hash,
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Optional<int64_t> key,
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int64_t value) {
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StackSamplingProfiler::ApplyMetadataToPastSamples(period_start, period_end,
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name_hash, key, value);
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}
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void ApplyMetadataToPastSamples(TimeTicks period_start,
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TimeTicks period_end,
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StringPiece name,
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int64_t value) {
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return ApplyMetadataToPastSamplesImpl(period_start, period_end,
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HashMetricName(name), nullopt, value);
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}
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void ApplyMetadataToPastSamples(TimeTicks period_start,
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TimeTicks period_end,
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StringPiece name,
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int64_t key,
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int64_t value) {
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return ApplyMetadataToPastSamplesImpl(period_start, period_end,
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HashMetricName(name), key, value);
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}
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MetadataRecorder* GetSampleMetadataRecorder() {
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static NoDestructor<MetadataRecorder> instance;
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return instance.get();
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}
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} // namespace base
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