a406ee6d5f
bionic_systrace.h contains an implementation of tracing that can be used with systrace.py and its associated viewer. pthread_mutex now uses this tracing to track pthread_mutex contention, which can be enabled by using the "bionic" command line option to systrace. Bug: 15116468 Change-Id: I30ed5b377c91ca4c36568a0e647ddf95d4e4a61a
36 lines
1022 B
C++
36 lines
1022 B
C++
/*
|
|
* Copyright (C) 2014 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#ifndef BIONIC_SYSTRACE_H
|
|
#define BIONIC_SYSTRACE_H
|
|
|
|
#include "bionic_macros.h"
|
|
|
|
// Tracing class for bionic. To begin a trace at a specified point:
|
|
// ScopedTrace("Trace message");
|
|
// The trace will end when the contructor goes out of scope.
|
|
|
|
class ScopedTrace {
|
|
public:
|
|
explicit ScopedTrace(const char* message);
|
|
~ScopedTrace();
|
|
|
|
private:
|
|
DISALLOW_COPY_AND_ASSIGN(ScopedTrace);
|
|
};
|
|
|
|
#endif
|