void DrawProfiler::finishFrame() {
RETURN_IF_PROFILING_DISABLED();
nsecs_t now = systemTime(CLOCK_MONOTONIC);
mData[mCurrentFrame].swapBuffers = NANOS_TO_MILLIS_FLOAT(now - mPreviousTime);
mPreviousTime = now;
mCurrentFrame = (mCurrentFrame + 1) % mDataSize;
}
void DrawProfiler::dumpData(int fd) {
RETURN_IF_PROFILING_DISABLED();
// This method logs the last N frames (where N is <= mDataSize) since the
// last call to dumpData(). In other words if there's a dumpData(), draw frame,
// dumpData(), the last dumpData() should only log 1 frame.
const FrameTimingData emptyData = {0, 0, 0, 0};
FILE *file = fdopen(fd, "a");
fprintf(file, "\n\tDraw\tPrepare\tProcess\tExecute\n");
for (int frameOffset = 1; frameOffset <= mDataSize; frameOffset++) {
int i = (mCurrentFrame + frameOffset) % mDataSize;
if (!memcmp(mData + i, &emptyData, sizeof(FrameTimingData))) {
continue;
}
fprintf(file, "\t%3.2f\t%3.2f\t%3.2f\t%3.2f\n",
mData[i].record, mData[i].prepare, mData[i].playback, mData[i].swapBuffers);
}
// reset the buffer
memset(mData, 0, sizeof(FrameTimingData) * mDataSize);
mCurrentFrame = 0;
fflush(file);
}
void FrameInfoVisualizer::dumpData(int fd) {
RETURN_IF_PROFILING_DISABLED();
// This method logs the last N frames (where N is <= mDataSize) since the
// last call to dumpData(). In other words if there's a dumpData(), draw frame,
// dumpData(), the last dumpData() should only log 1 frame.
dprintf(fd, "\n\tDraw\tPrepare\tProcess\tExecute\n");
for (size_t i = 0; i < mFrameSource.size(); i++) {
if (mFrameSource[i][FrameInfoIndex::IntendedVsync] <= mLastFrameLogged) {
continue;
}
mLastFrameLogged = mFrameSource[i][FrameInfoIndex::IntendedVsync];
dprintf(fd, "\t%3.2f\t%3.2f\t%3.2f\t%3.2f\n",
durationMS(i, FrameInfoIndex::IntendedVsync, FrameInfoIndex::SyncStart),
durationMS(i, FrameInfoIndex::SyncStart, FrameInfoIndex::IssueDrawCommandsStart),
durationMS(i, FrameInfoIndex::IssueDrawCommandsStart, FrameInfoIndex::SwapBuffers),
durationMS(i, FrameInfoIndex::SwapBuffers, FrameInfoIndex::FrameCompleted));
}
}
void DrawProfiler::markPlaybackEnd() {
RETURN_IF_PROFILING_DISABLED();
nsecs_t now = systemTime(CLOCK_MONOTONIC);
mData[mCurrentFrame].playback = NANOS_TO_MILLIS_FLOAT(now - mPreviousTime);
mPreviousTime = now;
}
void DrawProfiler::startFrame(nsecs_t recordDurationNanos) {
RETURN_IF_PROFILING_DISABLED();
mData[mCurrentFrame].record = NANOS_TO_MILLIS_FLOAT(recordDurationNanos);
mPreviousTime = systemTime(CLOCK_MONOTONIC);
}
