ALSA: hda - Add tracepoint for unsolicited events

Signed-off-by: Takashi Iwai <tiwai@suse.de>

ALSA: hda - Add tracepoint for unsolicited events
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Takashi Iwai
1 parent d11b7fa3d5
Showing 3 changed files with 25 additions and 1 deletions Side-by-side Diff
Documentation/sound/alsa/HD-Audio.txt
sound/pci/hda/hda_codec.c
sound/pci/hda/hda_trace.h
@@ -529,7 +529,8 @@
 The hd-audio driver gives a few basic tracepoints.
 `hda:hda_send_cmd` traces each CORB write while `hda:hda_get_response`
 traces the response from RIRB (only when read from the codec driver).
-`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc, and
+`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc,
+`hda:hda_unsol_event` traces the unsolicited events, and
 `hda:hda_power_down` and `hda:hda_power_up` trace the power down/up
 via power-saving behavior.
  
@@ -610,6 +610,7 @@
 	struct hda_bus_unsolicited *unsol;
 	unsigned int wp;
  
+	trace_hda_unsol_event(bus, res, res_ex);
 	unsol = bus->unsol;
 	if (!unsol)
 		return 0;
@@ -87,6 +87,28 @@
 	TP_ARGS(codec)
 );
  
+TRACE_EVENT(hda_unsol_event,
+
+	TP_PROTO(struct hda_bus *bus, u32 res, u32 res_ex),
+
+	TP_ARGS(bus, res, res_ex),
+
+	TP_STRUCT__entry(
+		__field( unsigned int, card )
+		__field( u32, res )
+		__field( u32, res_ex )
+	),
+
+	TP_fast_assign(
+		__entry->card = (bus)->card->number;
+		__entry->res = res;
+		__entry->res_ex = res_ex;
+	),
+
+	TP_printk("[%d] res=%x, res_ex=%x", __entry->card,
+		  __entry->res, __entry->res_ex)
+);
+
 #endif /* _TRACE_HDA_H */
  
 /* This part must be outside protection */
...	...	@@ -529,7 +529,8 @@
529	529	The hd-audio driver gives a few basic tracepoints.
530	530	`hda:hda_send_cmd` traces each CORB write while `hda:hda_get_response`
531	531	traces the response from RIRB (only when read from the codec driver).
532		-`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc, and
	532	+`hda:hda_bus_reset` traces the bus-reset due to fatal error, etc,
	533	+`hda:hda_unsol_event` traces the unsolicited events, and
533	534	`hda:hda_power_down` and `hda:hda_power_up` trace the power down/up
534	535	via power-saving behavior.
535	536
...	...	@@ -610,6 +610,7 @@
610	610	struct hda_bus_unsolicited *unsol;
611	611	unsigned int wp;
612	612
	613	+ trace_hda_unsol_event(bus, res, res_ex);
613	614	unsol = bus->unsol;
614	615	if (!unsol)
615	616	return 0;
...	...	@@ -87,6 +87,28 @@
87	87	TP_ARGS(codec)
88	88	);
89	89
	90	+TRACE_EVENT(hda_unsol_event,
	91	+
	92	+ TP_PROTO(struct hda_bus *bus, u32 res, u32 res_ex),
	93	+
	94	+ TP_ARGS(bus, res, res_ex),
	95	+
	96	+ TP_STRUCT__entry(
	97	+ __field( unsigned int, card )
	98	+ __field( u32, res )
	99	+ __field( u32, res_ex )
	100	+ ),
	101	+
	102	+ TP_fast_assign(
	103	+ __entry->card = (bus)->card->number;
	104	+ __entry->res = res;
	105	+ __entry->res_ex = res_ex;
	106	+ ),
	107	+
	108	+ TP_printk("[%d] res=%x, res_ex=%x", __entry->card,
	109	+ __entry->res, __entry->res_ex)
	110	+);
	111	+
90	112	#endif /* _TRACE_HDA_H */
91	113
92	114	/* This part must be outside protection */