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| author | Michal Marek <mmarek@suse.cz> | 2010-10-12 15:09:06 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-10-12 15:09:06 +0200 |
| commit | 239060b93bb30a4ad55f1ecaa512464a035cc5ba (patch) | |
| tree | 77f79810e57d4fc24356eca0cd6db463e8994128 /Documentation/sound/alsa/Procfile.txt | |
| parent | 1408b15b98635a13bad2e2a50b3c2ae2ccdf625b (diff) | |
| parent | e9203c988234aa512bd45ca32b52e21c7bbfc414 (diff) | |
| download | op-kernel-dev-239060b93bb30a4ad55f1ecaa512464a035cc5ba.zip op-kernel-dev-239060b93bb30a4ad55f1ecaa512464a035cc5ba.tar.gz | |
Merge branch 'kbuild/rc-fixes' into kbuild/kconfig
We need to revert the temporary hack in 71ebc01, hence the merge.
Diffstat (limited to 'Documentation/sound/alsa/Procfile.txt')
| -rw-r--r-- | Documentation/sound/alsa/Procfile.txt | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/sound/alsa/Procfile.txt b/Documentation/sound/alsa/Procfile.txt index 07301de..7fcd1ad 100644 --- a/Documentation/sound/alsa/Procfile.txt +++ b/Documentation/sound/alsa/Procfile.txt @@ -103,6 +103,8 @@ card*/pcm*/xrun_debug bit 2 = Enable additional jiffies check bit 3 = Log hwptr update at each period interrupt bit 4 = Log hwptr update at each snd_pcm_update_hw_ptr() + bit 5 = Show last 10 positions on error + bit 6 = Do above only once When the bit 0 is set, the driver will show the messages to kernel log when an xrun is detected. The debug message is @@ -122,6 +124,12 @@ card*/pcm*/xrun_debug Bits 3 and 4 are for logging the hwptr records. Note that these will give flood of kernel messages. + When bit 5 is set, the driver logs the last 10 xrun errors and + the proc file shows each jiffies, position, period_size, + buffer_size, old_hw_ptr, and hw_ptr_base values. + + When bit 6 is set, the full xrun log is shown only once. + card*/pcm*/sub*/info The general information of this PCM sub-stream. |
