108 lines
4 KiB
C++
108 lines
4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef ProfilerChild_h
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#define ProfilerChild_h
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#include "mozilla/BaseProfilerDetail.h"
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#include "mozilla/DataMutex.h"
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#include "mozilla/PProfilerChild.h"
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#include "mozilla/ProfileBufferControlledChunkManager.h"
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#include "mozilla/ProgressLogger.h"
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#include "mozilla/RefPtr.h"
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#include "ProfileAdditionalInformation.h"
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class nsIThread;
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struct PRThread;
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namespace mozilla {
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// The ProfilerChild actor is created in all processes except for the main
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// process. The corresponding ProfilerParent actor is created in the main
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// process, and it will notify us about profiler state changes and request
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// profiles from us.
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class ProfilerChild final : public PProfilerChild,
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public mozilla::ipc::IShmemAllocator {
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NS_INLINE_DECL_THREADSAFE_REFCOUNTING(ProfilerChild, final)
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ProfilerChild();
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// Collects and returns a profile.
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// This method can be used to grab a profile just before PProfiler is torn
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// down. The collected profile should then be sent through a different
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// message channel that is guaranteed to stay open long enough.
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ProfileAndAdditionalInformation GrabShutdownProfile();
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void Destroy();
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// This should be called regularly from outside of the profiler lock.
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static void ProcessPendingUpdate();
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static bool IsLockedOnCurrentThread();
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private:
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virtual ~ProfilerChild();
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mozilla::ipc::IPCResult RecvStart(const ProfilerInitParams& params,
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StartResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvEnsureStarted(
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const ProfilerInitParams& params,
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EnsureStartedResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvStop(StopResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvPause(PauseResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvResume(ResumeResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvPauseSampling(
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PauseSamplingResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvResumeSampling(
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ResumeSamplingResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvWaitOnePeriodicSampling(
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WaitOnePeriodicSamplingResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvAwaitNextChunkManagerUpdate(
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AwaitNextChunkManagerUpdateResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvDestroyReleasedChunksAtOrBefore(
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const TimeStamp& aTimeStamp) override;
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mozilla::ipc::IPCResult RecvGatherProfile(
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GatherProfileResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvGetGatherProfileProgress(
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GetGatherProfileProgressResolver&& aResolve) override;
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mozilla::ipc::IPCResult RecvClearAllPages() override;
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void ActorDestroy(ActorDestroyReason aActorDestroyReason) override;
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FORWARD_SHMEM_ALLOCATOR_TO(PProfilerChild)
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void SetupChunkManager();
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void ResetChunkManager();
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void ResolveChunkUpdate(
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PProfilerChild::AwaitNextChunkManagerUpdateResolver& aResolve);
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void ProcessChunkManagerUpdate(
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ProfileBufferControlledChunkManager::Update&& aUpdate);
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static void ClearPendingUpdate();
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static void GatherProfileThreadFunction(void* already_AddRefedParameters);
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nsCOMPtr<nsIThread> mThread;
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bool mDestroyed;
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ProfileBufferControlledChunkManager* mChunkManager = nullptr;
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AwaitNextChunkManagerUpdateResolver mAwaitNextChunkManagerUpdateResolver;
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ProfileBufferControlledChunkManager::Update mChunkManagerUpdate;
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struct ProfilerChildAndUpdate {
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RefPtr<ProfilerChild> mProfilerChild;
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ProfileBufferControlledChunkManager::Update mUpdate;
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};
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static DataMutexBase<ProfilerChildAndUpdate,
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baseprofiler::detail::BaseProfilerMutex>
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sPendingChunkManagerUpdate;
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RefPtr<ProgressLogger::SharedProgress> mGatherProfileProgress;
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};
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} // namespace mozilla
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#endif // ProfilerChild_h
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