xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

mac80211: trace debug messages

Browse Source 
It can be very useful to have all debug messages
available when debugging, but hard to correlate
between different sources, so add a trace event
for all mac80211 debug messages.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg
2012-06-22 13:36:25 +02:00
parent 011ad0e9f8
commit 3fae027316
4 changed files with 136 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
net/mac80211/trace.h
View File

@@ -1632,6 +1632,45 @@ TRACE_EVENT(stop_queue,
LOCAL_PR_ARG, __entry->queue, __entry->reason
)
);
#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