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authorClemens Ladisch <clemens@ladisch.de>2009-07-13 13:30:22 +0200
committerTakashi Iwai <tiwai@suse.de>2009-07-15 11:56:06 +0200
commitf907ed94f993b0cd366c26eaa88b90c5454203ae (patch)
treed07aa3f3cf0cb1acf36b0fcf85a67b64f5b5226b /sound
parent6847e154e3cd74fca6084124c097980a7634285a (diff)
seq-midi: always log message on output overrun
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>
Diffstat (limited to 'sound')
-rw-r--r--sound/core/seq/seq_midi.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/core/seq/seq_midi.c b/sound/core/seq/seq_midi.c
index 4d26146a62c..3810c52f652 100644
--- a/sound/core/seq/seq_midi.c
+++ b/sound/core/seq/seq_midi.c
@@ -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)