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@xxxxxxxxxxxx>
---
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,
--
2.38.1
