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// 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_SERVICES_HEAP_PROFILING_PUBLIC_CPP_SETTINGS_H_
#define COMPONENTS_SERVICES_HEAP_PROFILING_PUBLIC_CPP_SETTINGS_H_
#include "base/feature_list.h"
#include "components/services/heap_profiling/public/mojom/heap_profiling_client.mojom.h"
// These helper functions parse the command line and FeatureList settings to
// return coherent settings to use for the heap profiler at startup.
namespace heap_profiling {
enum class Mode {
// No profiling enabled.
kNone = 0,
// Only profile the browser and GPU processes.
kMinimal = 1,
// Profile all processes.
kAll = 2,
// Profile only the browser process.
kBrowser = 3,
// Profile only the gpu process.
kGpu = 4,
// Profile up to 1 renderer process. Each renderer process has a fixed
// probability of being profiled at startup.
kRendererSampling = 5,
// Profile all renderer processes.
kAllRenderers = 6,
// By default, profile no processes. User may choose to start profiling for
// processes via chrome://memory-internals.
kManual = 7,
// Each utility process has a fixed probability of being profiled at startup.
kUtilitySampling = 8,
// Every utility process and the browser process are profiled.
kUtilityAndBrowser = 9,
kCount
};
Mode GetModeForStartup();
Mode ConvertStringToMode(const std::string& input);
mojom::StackMode GetStackModeForStartup();
mojom::StackMode ConvertStringToStackMode(const std::string& input);
// A |sampling_rate| of 1 indicates that all allocations should be recorded.
// A |sampling_rate| greater than 1 describes the Poisson Process sampling
// interval. If |sampling_rate| is N, then on average, an allocation will be
// recorded every N bytes of allocated objects.
uint32_t GetSamplingRateForStartup();
} // namespace heap_profiling
#endif // COMPONENTS_SERVICES_HEAP_PROFILING_PUBLIC_CPP_SETTINGS_H_
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