You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
60 lines
1.8 KiB
60 lines
1.8 KiB
/*
|
|
* 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.
|
|
*/
|
|
|
|
#include <audio_utils/roundup.h>
|
|
#include "FastThreadDumpState.h"
|
|
|
|
namespace android {
|
|
|
|
FastThreadDumpState::FastThreadDumpState() :
|
|
mCommand(FastThreadState::INITIAL), mUnderruns(0), mOverruns(0),
|
|
/* mMeasuredWarmupTs({0, 0}), */
|
|
mWarmupCycles(0)
|
|
#ifdef FAST_THREAD_STATISTICS
|
|
, mSamplingN(0), mBounds(0)
|
|
#endif
|
|
{
|
|
mMeasuredWarmupTs.tv_sec = 0;
|
|
mMeasuredWarmupTs.tv_nsec = 0;
|
|
#ifdef FAST_THREAD_STATISTICS
|
|
increaseSamplingN(1);
|
|
#endif
|
|
}
|
|
|
|
FastThreadDumpState::~FastThreadDumpState()
|
|
{
|
|
}
|
|
|
|
#ifdef FAST_THREAD_STATISTICS
|
|
void FastThreadDumpState::increaseSamplingN(uint32_t samplingN)
|
|
{
|
|
if (samplingN <= mSamplingN || samplingN > kSamplingN || roundup(samplingN) != samplingN) {
|
|
return;
|
|
}
|
|
uint32_t additional = samplingN - mSamplingN;
|
|
// sample arrays aren't accessed atomically with respect to the bounds,
|
|
// so clearing reduces chance for dumpsys to read random uninitialized samples
|
|
memset(&mMonotonicNs[mSamplingN], 0, sizeof(mMonotonicNs[0]) * additional);
|
|
memset(&mLoadNs[mSamplingN], 0, sizeof(mLoadNs[0]) * additional);
|
|
#ifdef CPU_FREQUENCY_STATISTICS
|
|
memset(&mCpukHz[mSamplingN], 0, sizeof(mCpukHz[0]) * additional);
|
|
#endif
|
|
mSamplingN = samplingN;
|
|
}
|
|
#endif
|
|
|
|
} // android
|