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Side by Side Diff: base/debug/task_annotator.h

Issue 1549043002: Switch to standard integer types in base/debug/. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Created 5 years ago
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1 // Copyright 2014 The Chromium Authors. All rights reserved. 1 // Copyright 2014 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef BASE_DEBUG_TASK_ANNOTATOR_H_ 5 #ifndef BASE_DEBUG_TASK_ANNOTATOR_H_
6 #define BASE_DEBUG_TASK_ANNOTATOR_H_ 6 #define BASE_DEBUG_TASK_ANNOTATOR_H_
7 7
8 #include <stdint.h>
9
8 #include "base/base_export.h" 10 #include "base/base_export.h"
9 #include "base/basictypes.h" 11 #include "base/macros.h"
10 12
11 namespace base { 13 namespace base {
12 struct PendingTask; 14 struct PendingTask;
13 namespace debug { 15 namespace debug {
14 16
15 // Implements common debug annotations for posted tasks. This includes data 17 // Implements common debug annotations for posted tasks. This includes data
16 // such as task origins, queueing durations and memory usage. 18 // such as task origins, queueing durations and memory usage.
17 class BASE_EXPORT TaskAnnotator { 19 class BASE_EXPORT TaskAnnotator {
18 public: 20 public:
19 TaskAnnotator(); 21 TaskAnnotator();
20 ~TaskAnnotator(); 22 ~TaskAnnotator();
21 23
22 // Called to indicate that a task has been queued to run in the future. 24 // Called to indicate that a task has been queued to run in the future.
23 // |queue_function| is used as the trace flow event name. 25 // |queue_function| is used as the trace flow event name.
24 void DidQueueTask(const char* queue_function, 26 void DidQueueTask(const char* queue_function,
25 const PendingTask& pending_task); 27 const PendingTask& pending_task);
26 28
27 // Run a previously queued task. |queue_function| should match what was 29 // Run a previously queued task. |queue_function| should match what was
28 // passed into |DidQueueTask| for this task. 30 // passed into |DidQueueTask| for this task.
29 void RunTask(const char* queue_function, const PendingTask& pending_task); 31 void RunTask(const char* queue_function, const PendingTask& pending_task);
30 32
31 private: 33 private:
32 // Creates a process-wide unique ID to represent this task in trace events. 34 // Creates a process-wide unique ID to represent this task in trace events.
33 // This will be mangled with a Process ID hash to reduce the likelyhood of 35 // This will be mangled with a Process ID hash to reduce the likelyhood of
34 // colliding with TaskAnnotator pointers on other processes. 36 // colliding with TaskAnnotator pointers on other processes.
35 uint64 GetTaskTraceID(const PendingTask& task) const; 37 uint64_t GetTaskTraceID(const PendingTask& task) const;
36 38
37 DISALLOW_COPY_AND_ASSIGN(TaskAnnotator); 39 DISALLOW_COPY_AND_ASSIGN(TaskAnnotator);
38 }; 40 };
39 41
40 #define TRACE_TASK_EXECUTION(run_function, task) \ 42 #define TRACE_TASK_EXECUTION(run_function, task) \
41 TRACE_EVENT2("toplevel", (run_function), "src_file", \ 43 TRACE_EVENT2("toplevel", (run_function), "src_file", \
42 (task).posted_from.file_name(), "src_func", \ 44 (task).posted_from.file_name(), "src_func", \
43 (task).posted_from.function_name()); 45 (task).posted_from.function_name());
44 46
45 } // namespace debug 47 } // namespace debug
46 } // namespace base 48 } // namespace base
47 49
48 #endif // BASE_DEBUG_TASK_ANNOTATOR_H_ 50 #endif // BASE_DEBUG_TASK_ANNOTATOR_H_
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