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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsProfiler_h
#define nsProfiler_h
#include "mozilla/Attributes.h"
#include "mozilla/Maybe.h"
#include "mozilla/MozPromise.h"
#include "mozilla/ProfileJSONWriter.h"
#include "mozilla/TimeStamp.h"
#include "mozilla/Vector.h"
#include "nsIObserver.h"
#include "nsIProfiler.h"
#include "nsITimer.h"
#include "nsServiceManagerUtils.h"
#include "ProfilerCodeAddressService.h"
class nsProfiler final : public nsIProfiler, public nsIObserver {
public:
nsProfiler();
NS_DECL_ISUPPORTS
NS_DECL_NSIOBSERVER
NS_DECL_NSIPROFILER
nsresult Init();
static nsProfiler* GetOrCreate() {
nsCOMPtr<nsIProfiler> iprofiler =
do_GetService("@mozilla.org/tools/profiler;1");
return static_cast<nsProfiler*>(iprofiler.get());
}
void GatheredOOPProfile(const nsACString& aProfile);
private:
~nsProfiler();
typedef mozilla::MozPromise<nsCString, nsresult, false> GatheringPromise;
typedef mozilla::MozPromise<mozilla::SymbolTable, nsresult, true>
SymbolTablePromise;
RefPtr<GatheringPromise> StartGathering(double aSinceTime);
void FinishGathering();
void ResetGathering();
static void GatheringTimerCallback(nsITimer* aTimer, void* aClosure);
RefPtr<SymbolTablePromise> GetSymbolTableMozPromise(
const nsACString& aDebugPath, const nsACString& aBreakpadID);
bool mLockedForPrivateBrowsing;
struct ExitProfile {
nsCString mJSON;
uint64_t mBufferPositionAtGatherTime;
};
// These fields are all related to profile gathering.
mozilla::Vector<ExitProfile> mExitProfiles;
mozilla::Maybe<mozilla::MozPromiseHolder<GatheringPromise>> mPromiseHolder;
nsCOMPtr<nsIThread> mSymbolTableThread;
mozilla::Maybe<SpliceableChunkedJSONWriter> mWriter;
uint32_t mPendingProfiles;
bool mGathering;
nsCOMPtr<nsITimer> mGatheringTimer;
};
#endif // nsProfiler_h
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