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mac80211: add basic tracing to drv_get_survey 

Reported-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
John W. Linville 2010-06-29 14:51:23 -04:00
parent ff3074a4dd
commit c466d4efb8
2 changed files with 28 additions and 1 deletions
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7
net/mac80211/driver-ops.h
View File

@ -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;
}

22
net/mac80211/driver-trace.h
View File

@ -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),