Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 05:02:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

seq-midi: always log message on output overrun

Browse Source 
It turns out that the main cause of output buffer overruns is not slow
drivers but applications that generate too many messages.  Therefore, it
makes more sense to make that error message always visible, and to
rate-limit it.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Clemens Ladisch 2009-07-13 13:30:22 +02:00 committed by Takashi Iwai
parent 6847e154e3
commit f907ed94f9
1 changed files with 2 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
sound/core/seq/seq_midi.c
View File

@ -120,7 +120,8 @@ static int dump_midi(struct snd_rawmidi_substream *substream, const char *buf, i
return -EINVAL;
runtime = substream->runtime;
if ((tmp = runtime->avail) < count) {
snd_printd("warning, output event was lost (count = %i, available = %i)\n", count, tmp);
if (printk_ratelimit())
snd_printk(KERN_ERR "MIDI output buffer overrun\n");
return -ENOMEM;
}
if (snd_rawmidi_kernel_write(substream, buf, count) < count)