diff options
Diffstat (limited to 'services/audioflinger/FastMixer.cpp')
| -rw-r--r-- | services/audioflinger/FastMixer.cpp | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/services/audioflinger/FastMixer.cpp b/services/audioflinger/FastMixer.cpp index d499f7a..1492a36 100644 --- a/services/audioflinger/FastMixer.cpp +++ b/services/audioflinger/FastMixer.cpp @@ -17,9 +17,12 @@ #define LOG_TAG "FastMixer" //#define LOG_NDEBUG 0 +//#define ATRACE_TAG ATRACE_TAG_AUDIO + #include <sys/atomics.h> #include <time.h> #include <utils/Log.h> +#include <utils/Trace.h> #include <system/audio.h> #ifdef FAST_MIXER_STATISTICS #include <cpustats/CentralTendencyStatistics.h> @@ -359,6 +362,7 @@ bool FastMixer::threadLoop() FastTrackDump *ftDump = &dumpState->mTracks[i]; uint32_t underruns = ftDump->mUnderruns; if (framesReady < frameCount) { + ATRACE_INT("underrun", i); ftDump->mUnderruns = (underruns + 2) | 1; if (framesReady == 0) { mixer->disable(name); @@ -387,7 +391,9 @@ bool FastMixer::threadLoop() // FIXME write() is non-blocking and lock-free for a properly implemented NBAIO sink, // but this code should be modified to handle both non-blocking and blocking sinks dumpState->mWriteSequence++; + Tracer::traceBegin(ATRACE_TAG, "write"); ssize_t framesWritten = outputSink->write(mixBuffer, frameCount); + Tracer::traceEnd(ATRACE_TAG); dumpState->mWriteSequence++; if (framesWritten >= 0) { ALOG_ASSERT(framesWritten <= frameCount); @@ -437,6 +443,7 @@ bool FastMixer::threadLoop() } } if (sec > 0 || nsec > underrunNs) { + ScopedTrace st(ATRACE_TAG, "underrun"); // FIXME only log occasionally ALOGV("underrun: time since last cycle %d.%03ld sec", (int) sec, nsec / 1000000L); |