From: John Keeping Date: Fri, 25 Nov 2022 16:23:26 +0000 (+0000) Subject: ALSA: pcm: fix tracing reason in hw_ptr_error X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=e4baf845364637bfe56228b282b8795a77d0f8af;p=linux.git 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: John Keeping Reviewed-by: Takashi Sakamoto Link: https://lore.kernel.org/r/20221125162327.297440-1-john@metanate.com Signed-off-by: Takashi Iwai --- diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h index f18da2050772b..350b40b906ca8 100644 --- a/sound/core/pcm_trace.h +++ b/sound/core/pcm_trace.h @@ -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,