chromium/components/metrics/call_stacks/call_stack_profile_builder.h

// Copyright 2018 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_METRICS_CALL_STACKS_CALL_STACK_PROFILE_BUILDER_H_
#define COMPONENTS_METRICS_CALL_STACKS_CALL_STACK_PROFILE_BUILDER_H_

#include <limits>
#include <map>
#include <unordered_map>
#include <utility>
#include <vector>

#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/profiler/call_stack_profile_params.h"
#include "base/profiler/metadata_recorder.h"
#include "base/profiler/module_cache.h"
#include "base/profiler/profile_builder.h"
#include "base/time/time.h"
#include "components/metrics/call_stacks/call_stack_profile_metadata.h"
#include "components/metrics/call_stacks/child_call_stack_profile_collector.h"
#include "mojo/public/cpp/bindings/pending_remote.h"
#include "third_party/metrics_proto/sampled_profile.pb.h"

namespace metrics {

// Interface that allows the CallStackProfileBuilder to provide ids for distinct
// work items. Samples with the same id are tagged as coming from the same work
// item in the recorded samples.
class WorkIdRecorder { … };

// An instance of the class is meant to be passed to base::StackSamplingProfiler
// to collect profiles. The profiles collected are uploaded via the metrics log.
//
// This uses the new StackSample encoding rather than the legacy Sample
// encoding.
class CallStackProfileBuilder : public base::ProfileBuilder { … };

}  // namespace metrics

#endif  // COMPONENTS_METRICS_CALL_STACKS_CALL_STACK_PROFILE_BUILDER_H_