audioflinger: Add tracing for direct tracks
Add missing calls to ATRACE for direct writes and frames ready
on direct thread.
Test: <start direct output>
external/chromium-trace/systrace.py audio
Change-Id: Iee6ea72442f9902819628735e19cce0ba1546165
diff --git a/services/audioflinger/Threads.cpp b/services/audioflinger/Threads.cpp
index cf15045..392beb4 100644
--- a/services/audioflinger/Threads.cpp
+++ b/services/audioflinger/Threads.cpp
@@ -2953,9 +2953,11 @@
ALOG_ASSERT(mCallbackThread != 0);
mCallbackThread->setWriteBlocked(mWriteAckSequence);
}
+ ATRACE_BEGIN("write");
// FIXME We should have an implementation of timestamps for direct output threads.
// They are used e.g for multichannel PCM playback over HDMI.
bytesWritten = mOutput->write((char *)mSinkBuffer + offset, mBytesRemaining);
+ ATRACE_END();
if (mUseAsyncWrite &&
((bytesWritten < 0) || (bytesWritten == (ssize_t)mBytesRemaining))) {
@@ -5658,10 +5660,17 @@
minFrames = 1;
}
- if ((track->framesReady() >= minFrames) && track->isReady() && !track->isPaused() &&
+ const size_t framesReady = track->framesReady();
+ const int trackId = track->id();
+ if (ATRACE_ENABLED()) {
+ std::string traceName("nRdy");
+ traceName += std::to_string(trackId);
+ ATRACE_INT(traceName.c_str(), framesReady);
+ }
+ if ((framesReady >= minFrames) && track->isReady() && !track->isPaused() &&
!track->isStopping_2() && !track->isStopped())
{
- ALOGVV("track(%d) s=%08x [OK]", track->id(), cblk->mServer);
+ ALOGVV("track(%d) s=%08x [OK]", trackId, cblk->mServer);
if (track->mFillingUpStatus == Track::FS_FILLED) {
track->mFillingUpStatus = Track::FS_ACTIVE;
@@ -5738,7 +5747,7 @@
// fill a buffer, then remove it from active list.
// Only consider last track started for mixer state control
if (--(track->mRetryCount) <= 0) {
- ALOGV("BUFFER TIMEOUT: remove track(%d) from active list", track->id());
+ ALOGV("BUFFER TIMEOUT: remove track(%d) from active list", trackId);
tracksToRemove->add(track);
// indicate to client process that the track was disabled because of underrun;
// it will then automatically call start() when data is available
@@ -5746,7 +5755,7 @@
} else if (last) {
ALOGW("pause because of UNDERRUN, framesReady = %zu,"
"minFrames = %u, mFormat = %#x",
- track->framesReady(), minFrames, mFormat);
+ framesReady, minFrames, mFormat);
mixerStatus = MIXER_TRACKS_ENABLED;
if (mHwSupportsPause && !mHwPaused && !mStandby) {
doHwPause = true;