mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-10 13:18:45 +02:00
265e672179
# ignore-this-changeset --HG-- extra : amend_source : 4d301d3b0b8711c4692392aa76088ba7fd7d1022
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* 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 CombinedStacks_h__
|
|
#define CombinedStacks_h__
|
|
|
|
#include <vector>
|
|
|
|
#include "ProcessedStack.h"
|
|
|
|
class JSObject;
|
|
struct JSContext;
|
|
|
|
namespace mozilla {
|
|
namespace Telemetry {
|
|
|
|
/**
|
|
* This class is conceptually a list of ProcessedStack objects, but it
|
|
* represents them more efficiently by keeping a single global list of modules.
|
|
*/
|
|
class CombinedStacks {
|
|
public:
|
|
explicit CombinedStacks();
|
|
explicit CombinedStacks(size_t aMaxStacksCount);
|
|
|
|
typedef std::vector<Telemetry::ProcessedStack::Frame> Stack;
|
|
const Telemetry::ProcessedStack::Module& GetModule(unsigned aIndex) const;
|
|
size_t GetModuleCount() const;
|
|
const Stack& GetStack(unsigned aIndex) const;
|
|
size_t AddStack(const Telemetry::ProcessedStack& aStack);
|
|
size_t GetStackCount() const;
|
|
size_t SizeOfExcludingThis() const;
|
|
void RemoveStack(unsigned aIndex);
|
|
|
|
#if defined(MOZ_GECKO_PROFILER)
|
|
/** Clears the contents of vectors and resets the index. */
|
|
void Clear();
|
|
#endif
|
|
|
|
private:
|
|
std::vector<Telemetry::ProcessedStack::Module> mModules;
|
|
// A circular buffer to hold the stacks.
|
|
std::vector<Stack> mStacks;
|
|
// The index of the next buffer element to write to in mStacks.
|
|
size_t mNextIndex;
|
|
// The maximum number of stacks to keep in the CombinedStacks object.
|
|
size_t mMaxStacksCount;
|
|
};
|
|
|
|
/**
|
|
* Creates a JSON representation of given combined stacks object.
|
|
*/
|
|
JSObject* CreateJSStackObject(JSContext* cx, const CombinedStacks& stacks);
|
|
|
|
} // namespace Telemetry
|
|
} // namespace mozilla
|
|
|
|
#endif // CombinedStacks_h__
|