Commit 1bc1e4d0 authored by Steven Rostedt (Red Hat)'s avatar Steven Rostedt (Red Hat) Committed by Steven Rostedt
Browse files

mac80211: Move message tracepoints to their own header 

Every tracing file must have its own TRACE_SYSTEM defined.
The mac80211 tracepoint header broke this and add in the middle
of the file had:

 #undef TRACE_SYSTEM
 #define TRACE_SYSTEM mac80211_msg

Unfortunately, this broke new code in the ftrace infrastructure.
Moving the mac80211_msg into its own trace file with its own
TRACE_SYSTEM defined fixes the issue.

Link: http://lkml.kernel.org/r/1428389938.1841.1.camel@sipsolutions.net



Reviewed-by: default avatarJohannes Berg <johannes@sipsolutions.net>
Signed-off-by: default avatarSteven Rostedt <rostedt@goodmis.org>
parent 7267b238

net/mac80211/trace.c

+1 −0
Original line number Diff line number Diff line
@@ -8,6 +8,7 @@ 
#include "debug.h"

#define CREATE_TRACE_POINTS

#include "trace.h"

#include "trace_msg.h"



#ifdef CONFIG_MAC80211_MESSAGE_TRACING

void __sdata_info(const char *fmt, ...)

net/mac80211/trace.h

+0 −38
Original line number Diff line number Diff line
@@ -2312,44 +2312,6 @@ TRACE_EVENT(drv_tdls_recv_channel_switch, 
	)

);



#ifdef CONFIG_MAC80211_MESSAGE_TRACING

#undef TRACE_SYSTEM

#define TRACE_SYSTEM mac80211_msg



#define MAX_MSG_LEN	100



DECLARE_EVENT_CLASS(mac80211_msg_event,

	TP_PROTO(struct va_format *vaf),



	TP_ARGS(vaf),



	TP_STRUCT__entry(

		__dynamic_array(char, msg, MAX_MSG_LEN)

	),



	TP_fast_assign(

		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),

				       MAX_MSG_LEN, vaf->fmt,

				       *vaf->va) >= MAX_MSG_LEN);

	),



	TP_printk("%s", __get_str(msg))

);



DEFINE_EVENT(mac80211_msg_event, mac80211_info,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

DEFINE_EVENT(mac80211_msg_event, mac80211_err,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

#endif



#endif /* !__MAC80211_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */



#undef TRACE_INCLUDE_PATH

net/mac80211/trace_msg.h

0 → 100644
+53 −0
Original line number Diff line number Diff line 
#ifdef CONFIG_MAC80211_MESSAGE_TRACING



#if !defined(__MAC80211_MSG_DRIVER_TRACE) || defined(TRACE_HEADER_MULTI_READ)

#define __MAC80211_MSG_DRIVER_TRACE



#include <linux/tracepoint.h>

#include <net/mac80211.h>

#include "ieee80211_i.h"



#undef TRACE_SYSTEM

#define TRACE_SYSTEM mac80211_msg



#define MAX_MSG_LEN	100



DECLARE_EVENT_CLASS(mac80211_msg_event,

	TP_PROTO(struct va_format *vaf),



	TP_ARGS(vaf),



	TP_STRUCT__entry(

		__dynamic_array(char, msg, MAX_MSG_LEN)

	),



	TP_fast_assign(

		WARN_ON_ONCE(vsnprintf(__get_dynamic_array(msg),

				       MAX_MSG_LEN, vaf->fmt,

				       *vaf->va) >= MAX_MSG_LEN);

	),



	TP_printk("%s", __get_str(msg))

);



DEFINE_EVENT(mac80211_msg_event, mac80211_info,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

DEFINE_EVENT(mac80211_msg_event, mac80211_dbg,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

DEFINE_EVENT(mac80211_msg_event, mac80211_err,

	TP_PROTO(struct va_format *vaf),

	TP_ARGS(vaf)

);

#endif /* !__MAC80211_MSG_DRIVER_TRACE || TRACE_HEADER_MULTI_READ */



#undef TRACE_INCLUDE_PATH

#define TRACE_INCLUDE_PATH .

#undef TRACE_INCLUDE_FILE

#define TRACE_INCLUDE_FILE trace_msg

#include <trace/define_trace.h>



#endif

CRA Git | Maintained and supported by SUSTech CRA and CCSE