ALSA: hda - Add tracepoint for unsolicited events
Signed-off-by: Takashi Iwai <tiwai@suse.de>
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3 changed files with 25 additions and 1 deletions
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@ -529,7 +529,8 @@ Tracepoints
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The hd-audio driver gives a few basic tracepoints.
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`hda:hda_send_cmd` traces each CORB write while `hda:hda_get_response`
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traces the response from RIRB (only when read from the codec driver).
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`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc, and
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`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc,
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`hda:hda_unsol_event` traces the unsolicited events, and
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`hda:hda_power_down` and `hda:hda_power_up` trace the power down/up
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via power-saving behavior.
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@ -610,6 +610,7 @@ int snd_hda_queue_unsol_event(struct hda_bus *bus, u32 res, u32 res_ex)
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struct hda_bus_unsolicited *unsol;
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unsigned int wp;
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trace_hda_unsol_event(bus, res, res_ex);
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unsol = bus->unsol;
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if (!unsol)
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return 0;
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@ -87,6 +87,28 @@ DEFINE_EVENT(hda_power, hda_power_up,
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TP_ARGS(codec)
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);
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TRACE_EVENT(hda_unsol_event,
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TP_PROTO(struct hda_bus *bus, u32 res, u32 res_ex),
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TP_ARGS(bus, res, res_ex),
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TP_STRUCT__entry(
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__field( unsigned int, card )
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__field( u32, res )
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__field( u32, res_ex )
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),
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TP_fast_assign(
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__entry->card = (bus)->card->number;
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__entry->res = res;
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__entry->res_ex = res_ex;
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),
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TP_printk("[%d] res=%x, res_ex=%x", __entry->card,
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__entry->res, __entry->res_ex)
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);
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#endif /* _TRACE_HDA_H */
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/* This part must be outside protection */
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