kernel-ark/sound/pci/hda/hda_trace.h
Takashi Iwai d66fee5d65 ALSA: hda - Add basic tracepoints
Add a few tracepoints to HD-audio driver.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2011-08-04 17:02:37 +02:00

96 lines
1.8 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM hda
#define TRACE_INCLUDE_FILE hda_trace
#if !defined(_TRACE_HDA_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_HDA_H
#include <linux/tracepoint.h>
struct hda_bus;
struct hda_codec;
DECLARE_EVENT_CLASS(hda_cmd,
TP_PROTO(struct hda_codec *codec, unsigned int val),
TP_ARGS(codec, val),
TP_STRUCT__entry(
__field( unsigned int, card )
__field( unsigned int, addr )
__field( unsigned int, val )
),
TP_fast_assign(
__entry->card = (codec)->bus->card->number;
__entry->addr = (codec)->addr;
__entry->val = (val);
),
TP_printk("[%d:%d] val=%x", __entry->card, __entry->addr, __entry->val)
);
DEFINE_EVENT(hda_cmd, hda_send_cmd,
TP_PROTO(struct hda_codec *codec, unsigned int val),
TP_ARGS(codec, val)
);
DEFINE_EVENT(hda_cmd, hda_get_response,
TP_PROTO(struct hda_codec *codec, unsigned int val),
TP_ARGS(codec, val)
);
TRACE_EVENT(hda_bus_reset,
TP_PROTO(struct hda_bus *bus),
TP_ARGS(bus),
TP_STRUCT__entry(
__field( unsigned int, card )
),
TP_fast_assign(
__entry->card = (bus)->card->number;
),
TP_printk("[%d]", __entry->card)
);
DECLARE_EVENT_CLASS(hda_power,
TP_PROTO(struct hda_codec *codec),
TP_ARGS(codec),
TP_STRUCT__entry(
__field( unsigned int, card )
__field( unsigned int, addr )
),
TP_fast_assign(
__entry->card = (codec)->bus->card->number;
__entry->addr = (codec)->addr;
),
TP_printk("[%d:%d]", __entry->card, __entry->addr)
);
DEFINE_EVENT(hda_power, hda_power_down,
TP_PROTO(struct hda_codec *codec),
TP_ARGS(codec)
);
DEFINE_EVENT(hda_power, hda_power_up,
TP_PROTO(struct hda_codec *codec),
TP_ARGS(codec)
);
#endif /* _TRACE_HDA_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#include <trace/define_trace.h>