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9bc20993bc
Backed out changeset 6b72e6c8e3bc (bug 1790872) Backed out changeset 3e53a1922022 (bug 1790872) Backed out changeset 862b578d462e (bug 1790872)
102 lines
3.5 KiB
C++
102 lines
3.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2; -*- */
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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 FOGIPC_h__
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#define FOGIPC_h__
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#include <functional>
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#include "mozilla/Maybe.h"
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#include "mozilla/MozPromise.h"
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#include "nsTArrayForwardDeclare.h"
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namespace mozilla {
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namespace ipc {
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class ByteBuf;
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} // namespace ipc
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} // namespace mozilla
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// This module provides the interface for FOG to communicate between processes.
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namespace mozilla {
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namespace glean {
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/**
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* The parent process is asking you to flush your data ASAP.
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*
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* @param aResolver - The function you need to call with the bincoded,
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* serialized payload that the Rust impl hands you.
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*/
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void FlushFOGData(std::function<void(ipc::ByteBuf&&)>&& aResolver);
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/**
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* Called by FOG on the parent process when it wants to flush all its
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* children's data.
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* @param aResolver - The function that'll be called with the results.
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*/
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void FlushAllChildData(
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std::function<void(nsTArray<ipc::ByteBuf>&&)>&& aResolver);
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/**
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* A child process has sent you this buf as a treat.
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* @param buf - a bincoded serialized payload that the Rust impl understands.
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*/
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void FOGData(ipc::ByteBuf&& buf);
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/**
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* Called by FOG on a child process when it wants to send a buf to the parent.
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* @param buf - a bincoded serialized payload that the Rust impl understands.
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*/
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void SendFOGData(ipc::ByteBuf&& buf);
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/**
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* Called on the parent process to ask all child processes for data,
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* sending it all down into Rust to be used.
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*
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* @returns a Promise that resolves when the data has made it to the parent.
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*/
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RefPtr<GenericPromise> FlushAndUseFOGData();
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/**
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* ** Test-only Method **
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*
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* Trigger GMP, GPU, RDD or Socket process test instrumentation.
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*
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* @param processType - one of the PROCESS_TYPE_* constants from nsIXULRuntime.
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* @param promise - a promise that will be resolved when the data has made it to
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* the target process.
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*/
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void TestTriggerMetrics(uint32_t processType,
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const RefPtr<dom::Promise>& promise);
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#ifdef NIGHTLY_BUILD
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/**
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* This function records the CPU activity (CPU time used and wakeup count)
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* of a specific thread. It is called only by profiler code, either multiple
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* times in a row when RecordPowerMetrics asks the profiler to record
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* the wakeup counts of all threads, or once when a thread is unregistered.
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*
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* @param aThreadName The name of the thread for which the CPU data is being
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* recorded.
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* The name will be converted to lower case, and characters
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* that are not valid for glean labels will be replaced with
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* '_'. The resulting name should be part of the
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* per_thread_labels static list of labels defined in
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* toolkit/components/processtools/metrics.yaml.
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* @param aCpuTimeMs CPU time in miliseconds since the last time CPU use data
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* was recorded for this thread.
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* @param aWakeCount How many times the thread woke up since the previous time
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* CPU use data was recorded for this thread.
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*/
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void RecordThreadCpuUse(const nsACString& aThreadName, uint64_t aCpuTimeMs,
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uint64_t aWakeCount);
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#endif
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void RecordPowerMetrics();
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} // namespace glean
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} // namespace mozilla
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#endif // FOGIPC_h__
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