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authorJohn W. Linville <linville@tuxdriver.com>2010-06-29 14:51:23 -0400
committerJohn W. Linville <linville@tuxdriver.com>2010-06-29 14:51:23 -0400
commitc466d4efb86bb5aa327d6e43f62781a9faabfdae (patch)
tree16b2727b93adcc34b5b638975f00b4501b3062b2 /net/mac80211
parentff3074a4dd6c0963e6a7eaac48175a62f589c143 (diff)
downloadlinux-c466d4efb86bb5aa327d6e43f62781a9faabfdae.tar.bz2
mac80211: add basic tracing to drv_get_survey
Reported-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211')
-rw-r--r--net/mac80211/driver-ops.h7
-rw-r--r--net/mac80211/driver-trace.h22
2 files changed, 28 insertions, 1 deletions
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index c33317320eee..14123dce544b 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -375,9 +375,14 @@ static inline int drv_get_survey(struct ieee80211_local *local, int idx,
struct survey_info *survey)
{
int ret = -EOPNOTSUPP;
+
+ trace_drv_get_survey(local, idx, survey);
+
if (local->ops->get_survey)
ret = local->ops->get_survey(&local->hw, idx, survey);
- /* trace_drv_get_survey(local, idx, survey, ret); */
+
+ trace_drv_return_int(local, ret);
+
return ret;
}
diff --git a/net/mac80211/driver-trace.h b/net/mac80211/driver-trace.h
index 8da31caff931..5d5d2a974668 100644
--- a/net/mac80211/driver-trace.h
+++ b/net/mac80211/driver-trace.h
@@ -761,6 +761,28 @@ TRACE_EVENT(drv_ampdu_action,
)
);
+TRACE_EVENT(drv_get_survey,
+ TP_PROTO(struct ieee80211_local *local, int idx,
+ struct survey_info *survey),
+
+ TP_ARGS(local, idx, survey),
+
+ TP_STRUCT__entry(
+ LOCAL_ENTRY
+ __field(int, idx)
+ ),
+
+ TP_fast_assign(
+ LOCAL_ASSIGN;
+ __entry->idx = idx;
+ ),
+
+ TP_printk(
+ LOCAL_PR_FMT " idx:%d",
+ LOCAL_PR_ARG, __entry->idx
+ )
+);
+
TRACE_EVENT(drv_flush,
TP_PROTO(struct ieee80211_local *local, bool drop),