diff options
| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2020-02-10 17:33:36 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2020-02-11 15:42:31 +0000 |
| commit | 9d789dc047e32fb0f85ff192f883a534017512a2 (patch) | |
| tree | 5bc4fbd5336356c231827648f3c3538b0725c6c0 /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | b56be800f1292c9b79c4f66571c701551bdf9e12 (diff) | |
| download | linux-9d789dc047e32fb0f85ff192f883a534017512a2.tar.gz linux-9d789dc047e32fb0f85ff192f883a534017512a2.zip | |
ALSA: dmaengine_pcm: Consider DMA cache caused delay in pointer callback
Some DMA engines can have big FIFOs which adds to the latency.
The DMAengine framework can report the FIFO utilization in bytes. Use this
information for the delay reporting.
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Link: https://lore.kernel.org/r/20200210153336.10218-1-peter.ujfalusi@ti.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions