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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-04-07 06:02:22 +0300
committerSteven Rostedt <rostedt@goodmis.org>2015-04-07 19:32:09 +0300
commit1bc1e4d048d372a0191e78124b247747864dfde3 (patch)
tree6303e0fe1a01336fe2dd5d0733ebfe9623d5b49b
parent7267b23859ba4188873e3d1c90c9b29031cc9356 (diff)
downloadlinux-1bc1e4d048d372a0191e78124b247747864dfde3.tar.xz
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: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
-rw-r--r--net/mac80211/trace.c1
-rw-r--r--net/mac80211/trace.h38
-rw-r--r--net/mac80211/trace_msg.h53
3 files changed, 54 insertions, 38 deletions
diff --git a/net/mac80211/trace.c b/net/mac80211/trace.c
index 386e45d8a958..edfe0c170a1c 100644
--- a/net/mac80211/trace.c
+++ b/net/mac80211/trace.c
@@ -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, ...)
diff --git a/net/mac80211/trace.h b/net/mac80211/trace.h
index 263a9561eb26..755a5388dbca 100644
--- a/net/mac80211/trace.h
+++ b/net/mac80211/trace.h
@@ -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
diff --git a/net/mac80211/trace_msg.h b/net/mac80211/trace_msg.h
new file mode 100644
index 000000000000..768f7c22a190
--- /dev/null
+++ b/net/mac80211/trace_msg.h
@@ -0,0 +1,53 @@
+#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