As long as I know, in userspace, '%c' format on printing format for tracepoint is replaced with '>c<' by existent tracing program; i.g. 'perf-trace' and 'trace-cmd'. This is inconvenient.
This commit replaces the format with '%s'. The length of letters in the format string is not changed, thus this commit doesn't increase object size.
In theory, I should work for improvements of these tracing programs, but here I'd like to save my time to work for the other projects.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/core/pcm_trace.h | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/sound/core/pcm_trace.h b/sound/core/pcm_trace.h index e672368ab878..3ddec1b8ae46 100644 --- a/sound/core/pcm_trace.h +++ b/sound/core/pcm_trace.h @@ -34,9 +34,9 @@ TRACE_EVENT(hwptr, __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr; __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base; ), - TP_printk("pcmC%dD%d%c/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu", + TP_printk("pcmC%dD%d%s/sub%d: %s: pos=%lu, old=%lu, base=%lu, period=%lu, buf=%lu", __entry->card, __entry->device, - __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c", __entry->number, __entry->in_interrupt ? "IRQ" : "POS", (unsigned long)__entry->pos, @@ -69,9 +69,9 @@ TRACE_EVENT(xrun, __entry->old_hw_ptr = (substream)->runtime->status->hw_ptr; __entry->hw_ptr_base = (substream)->runtime->hw_ptr_base; ), - TP_printk("pcmC%dD%d%c/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu", + TP_printk("pcmC%dD%d%s/sub%d: XRUN: old=%lu, base=%lu, period=%lu, buf=%lu", __entry->card, __entry->device, - __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c", __entry->number, (unsigned long)__entry->old_hw_ptr, (unsigned long)__entry->hw_ptr_base, @@ -96,9 +96,9 @@ TRACE_EVENT(hw_ptr_error, __entry->stream = (substream)->stream; __entry->reason = (why); ), - TP_printk("pcmC%dD%d%c/sub%d: ERROR: %s", + TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s", __entry->card, __entry->device, - __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? 'p' : 'c', + __entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c", __entry->number, __entry->reason) );