/* misc flags */
unsigned int hw_opened: 1;
unsigned int managed_buffer_alloc:1;
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ unsigned int xrun_counter; /* number of times xrun happens */
+#endif /* CONFIG_SND_PCM_XRUN_DEBUG */
};
#define SUBSTREAM_BUSY(substream) ((substream)->ref_count > 0)
snd_iprintf(buffer, "-----\n");
snd_iprintf(buffer, "hw_ptr : %ld\n", runtime->status->hw_ptr);
snd_iprintf(buffer, "appl_ptr : %ld\n", runtime->control->appl_ptr);
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ snd_iprintf(buffer, "xrun_counter: %d\n", substream->xrun_counter);
+#endif
}
#ifdef CONFIG_SND_PCM_XRUN_DEBUG
substream->pid = get_pid(task_pid(current));
pstr->substream_opened++;
*rsubstream = substream;
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ substream->xrun_counter = 0;
+#endif /* CONFIG_SND_PCM_XRUN_DEBUG */
return 0;
}
pcm_warn(substream->pcm, "XRUN: %s\n", name);
dump_stack_on_xrun(substream);
}
+#ifdef CONFIG_SND_PCM_XRUN_DEBUG
+ substream->xrun_counter++;
+#endif
}
#ifdef CONFIG_SND_PCM_XRUN_DEBUG