Commit e4baf845 authored by John Keeping's avatar John Keeping Committed by Takashi Iwai
Browse files

ALSA: pcm: fix tracing reason in hw_ptr_error 



Strings need to be specially marked in trace events to ensure the
content is captured, othewise the trace just shows the value of the
pointer.

Signed-off-by: default avatarJohn Keeping <john@metanate.com>
Reviewed-by: default avatarTakashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20221125162327.297440-1-john@metanate.com


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 9d86515c

sound/core/pcm_trace.h

+3 −3
Original line number Diff line number Diff line
@@ -88,19 +88,19 @@ TRACE_EVENT(hw_ptr_error, 
		__field( unsigned int, device )

		__field( unsigned int, number )

		__field( unsigned int, stream )

		__field( const char *, reason )

		__string( reason, why )

	),

	TP_fast_assign(

		__entry->card = (substream)->pcm->card->number;

		__entry->device = (substream)->pcm->device;

		__entry->number = (substream)->number;

		__entry->stream = (substream)->stream;

		__entry->reason = (why);

		__assign_str(reason, why);

	),

	TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s",

		  __entry->card, __entry->device,

		  __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",

		  __entry->number, __entry->reason)

		  __entry->number, __get_str(reason))

);



TRACE_EVENT(applptr,