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 john@metanate.com --- sound/core/pcm_trace.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h index f18da2050772..350b40b906ca 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,