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| author | Peter Ujfalusi <[email protected]> | 2020-02-10 17:33:36 +0200 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2020-02-11 15:42:31 +0000 |
| commit | 9d789dc047e32fb0f85ff192f883a534017512a2 (patch) | |
| tree | 5bc4fbd5336356c231827648f3c3538b0725c6c0 /tools/perf/scripts/python/stackcollapse.py | |
| parent | b56be800f1292c9b79c4f66571c701551bdf9e12 (diff) | |
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 <[email protected]>
Reviewed-by: Takashi Iwai <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/stackcollapse.py')
0 files changed, 0 insertions, 0 deletions