mirror of
https://github.com/klzgrad/naiveproxy.git
synced 2024-11-28 00:06:09 +03:00
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
// Copyright 2014 The Chromium Authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef BASE_DEBUG_TASK_ANNOTATOR_H_
|
|
#define BASE_DEBUG_TASK_ANNOTATOR_H_
|
|
|
|
#include <stdint.h>
|
|
|
|
#include "base/base_export.h"
|
|
#include "base/macros.h"
|
|
|
|
namespace base {
|
|
struct PendingTask;
|
|
namespace debug {
|
|
|
|
// Implements common debug annotations for posted tasks. This includes data
|
|
// such as task origins, queueing durations and memory usage.
|
|
class BASE_EXPORT TaskAnnotator {
|
|
public:
|
|
TaskAnnotator();
|
|
~TaskAnnotator();
|
|
|
|
// Called to indicate that a task has been queued to run in the future.
|
|
// |queue_function| is used as the trace flow event name.
|
|
void DidQueueTask(const char* queue_function,
|
|
const PendingTask& pending_task);
|
|
|
|
// Run a previously queued task. |queue_function| should match what was
|
|
// passed into |DidQueueTask| for this task.
|
|
void RunTask(const char* queue_function, PendingTask* pending_task);
|
|
|
|
private:
|
|
// Creates a process-wide unique ID to represent this task in trace events.
|
|
// This will be mangled with a Process ID hash to reduce the likelyhood of
|
|
// colliding with TaskAnnotator pointers on other processes.
|
|
uint64_t GetTaskTraceID(const PendingTask& task) const;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(TaskAnnotator);
|
|
};
|
|
|
|
} // namespace debug
|
|
} // namespace base
|
|
|
|
#endif // BASE_DEBUG_TASK_ANNOTATOR_H_
|