int nr_events;
};
+extern int call_filter_check_discard(struct trace_event_call *call, void *rec,
+ struct ring_buffer *buffer,
+ struct ring_buffer_event *event);
+
+void trace_buffer_unlock_commit_regs(struct trace_array *tr,
+ struct ring_buffer *buffer,
+ struct ring_buffer_event *event,
+ unsigned long flags, int pc,
+ struct pt_regs *regs);
+
+static inline void trace_buffer_unlock_commit(struct trace_array *tr,
+ struct ring_buffer *buffer,
+ struct ring_buffer_event *event,
+ unsigned long flags, int pc)
+{
+ trace_buffer_unlock_commit_regs(tr, buffer, event, flags, pc, NULL);
+}
+
+DECLARE_PER_CPU(struct ring_buffer_event *, trace_buffered_event);
+DECLARE_PER_CPU(int, trace_buffered_event_cnt);
+void trace_buffered_event_disable(void);
+void trace_buffered_event_enable(void);
+
+static inline void
+__trace_event_discard_commit(struct ring_buffer *buffer,
+ struct ring_buffer_event *event)
+{
+ if (this_cpu_read(trace_buffered_event) == event) {
+ /* Simply release the temp buffer */
+ this_cpu_dec(trace_buffered_event_cnt);
+ return;
+ }
+ ring_buffer_discard_commit(buffer, event);
+}
+
/*
* Helper function for event_trigger_unlock_commit{_regs}().
* If there are event triggers attached to this event that requires
if (eflags & EVENT_FILE_FL_TRIGGER_COND)
*tt = event_triggers_call(file, entry);
- if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags))
- ring_buffer_discard_commit(buffer, event);
- else if (!filter_check_discard(file, entry, buffer, event))
- return false;
+ if (test_bit(EVENT_FILE_FL_SOFT_DISABLED_BIT, &file->flags) ||
+ (unlikely(file->flags & EVENT_FILE_FL_FILTERED) &&
+ !filter_match_preds(file->filter, entry))) {
+ __trace_event_discard_commit(buffer, event);
+ return true;
+ }
- return true;
+ return false;
}
/**