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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 <john@metanate.com> Reviewed-by: Takashi Sakamoto <o-takashi@sakamocchi.jp> Link: https://lore.kernel.org/r/20221125162327.297440-1-john@metanate.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -88,19 +88,19 @@ TRACE_EVENT(hw_ptr_error,
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__field( unsigned int, device )
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__field( unsigned int, number )
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__field( unsigned int, stream )
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__field( const char *, reason )
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__string( reason, why )
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),
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TP_fast_assign(
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__entry->card = (substream)->pcm->card->number;
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__entry->device = (substream)->pcm->device;
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__entry->number = (substream)->number;
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__entry->stream = (substream)->stream;
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__entry->reason = (why);
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__assign_str(reason, why);
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),
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TP_printk("pcmC%dD%d%s/sub%d: ERROR: %s",
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__entry->card, __entry->device,
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__entry->stream == SNDRV_PCM_STREAM_PLAYBACK ? "p" : "c",
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__entry->number, __entry->reason)
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__entry->number, __get_str(reason))
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);
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TRACE_EVENT(applptr,
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