89 lines
2.1 KiB
C
89 lines
2.1 KiB
C
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// Copyright 2016 The Chromium Authors
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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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#ifndef COMPONENTS_METRICS_CALL_STACK_PROFILE_PARAMS_H_
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#define COMPONENTS_METRICS_CALL_STACK_PROFILE_PARAMS_H_
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#include "base/time/time.h"
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namespace metrics {
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// Parameters to pass back to the metrics provider.
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struct CallStackProfileParams {
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// The process in which the collection occurred.
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enum class Process {
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kUnknown,
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kBrowser,
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kRenderer,
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kGpu,
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kUtility,
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kZygote,
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kSandboxHelper,
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kPpapiPlugin,
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kNetworkService,
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kMax = kNetworkService,
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};
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// The thread from which the collection occurred.
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enum class Thread {
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kUnknown,
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// Each process has a 'main thread'. In the Browser process, the 'main
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// thread' is also often called the 'UI thread'.
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kMain,
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kIo,
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// Compositor thread (can be in both renderer and gpu processes).
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kCompositor,
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// Service worker thread.
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kServiceWorker,
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kMax = kServiceWorker,
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};
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// The event that triggered the profile collection.
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enum class Trigger {
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kUnknown,
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kProcessStartup,
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kJankyTask,
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kThreadHung,
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kPeriodicCollection,
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kPeriodicHeapCollection,
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kLast = kPeriodicHeapCollection
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};
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// The default constructor is required for mojo and should not be used
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// otherwise. A valid trigger should always be specified.
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constexpr CallStackProfileParams() = default;
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constexpr CallStackProfileParams(
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Process process,
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Thread thread,
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Trigger trigger,
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base::TimeDelta time_offset = base::TimeDelta())
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: process(process),
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thread(thread),
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trigger(trigger),
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time_offset(time_offset) {}
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// The collection process.
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Process process = Process::kUnknown;
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// The collection thread.
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Thread thread = Thread::kUnknown;
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// The triggering event.
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Trigger trigger = Trigger::kUnknown;
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// The time of the profile, since roughly the start of the process being
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// profiled. 0 indicates that the time is not reported.
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base::TimeDelta time_offset;
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};
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} // namespace metrics
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#endif // COMPONENTS_METRICS_CALL_STACK_PROFILE_PARAMS_H_
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