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kernel/linux-rt-4.4.41/sound/hda/trace.h 2.1 KB
5113f6f70   김현기   kernel add
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  #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>