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linux-next/sound/hda/trace.h
Libin Yang 598dfb56b0 ALSA: hda - add hdac stream trace
Add the trace of snd_hdac_stream_start and snd_hdac_stream_stop.

Signed-off-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-05-18 10:06:20 +02:00

90 lines
2.1 KiB
C

#undef TRACE_SYSTEM
#define TRACE_SYSTEM hda
#if !defined(__HDAC_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
#define __HDAC_TRACE_H
#include <linux/tracepoint.h>
#include <linux/device.h>
#include <sound/hdaudio.h>
#ifndef HDAC_MSG_MAX
#define HDAC_MSG_MAX 500
#endif
struct hdac_bus;
struct hdac_codec;
TRACE_EVENT(hda_send_cmd,
TP_PROTO(struct hdac_bus *bus, unsigned int cmd),
TP_ARGS(bus, cmd),
TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
TP_fast_assign(
snprintf(__get_str(msg), HDAC_MSG_MAX,
"[%s:%d] val=0x%08x",
dev_name((bus)->dev), (cmd) >> 28, cmd);
),
TP_printk("%s", __get_str(msg))
);
TRACE_EVENT(hda_get_response,
TP_PROTO(struct hdac_bus *bus, unsigned int addr, unsigned int res),
TP_ARGS(bus, addr, res),
TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
TP_fast_assign(
snprintf(__get_str(msg), HDAC_MSG_MAX,
"[%s:%d] val=0x%08x",
dev_name((bus)->dev), addr, res);
),
TP_printk("%s", __get_str(msg))
);
TRACE_EVENT(hda_unsol_event,
TP_PROTO(struct hdac_bus *bus, u32 res, u32 res_ex),
TP_ARGS(bus, res, res_ex),
TP_STRUCT__entry(__dynamic_array(char, msg, HDAC_MSG_MAX)),
TP_fast_assign(
snprintf(__get_str(msg), HDAC_MSG_MAX,
"[%s:%d] res=0x%08x, res_ex=0x%08x",
dev_name((bus)->dev), res_ex & 0x0f, res, res_ex);
),
TP_printk("%s", __get_str(msg))
);
DECLARE_EVENT_CLASS(hdac_stream,
TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
TP_ARGS(bus, azx_dev),
TP_STRUCT__entry(
__field(unsigned char, stream_tag)
),
TP_fast_assign(
__entry->stream_tag = (azx_dev)->stream_tag;
),
TP_printk("stream_tag: %d", __entry->stream_tag)
);
DEFINE_EVENT(hdac_stream, snd_hdac_stream_start,
TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
TP_ARGS(bus, azx_dev)
);
DEFINE_EVENT(hdac_stream, snd_hdac_stream_stop,
TP_PROTO(struct hdac_bus *bus, struct hdac_stream *azx_dev),
TP_ARGS(bus, azx_dev)
);
#endif /* __HDAC_TRACE_H */
/* This part must be outside protection */
#undef TRACE_INCLUDE_PATH
#define TRACE_INCLUDE_PATH .
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_FILE trace
#include <trace/define_trace.h>