filter_match_preds
extern int filter_match_preds(struct event_filter *filter, void *rec);
if (likely(!event->filter) || filter_match_preds(event->filter, record))
!filter_match_preds(file->filter, fbuffer->entry)))
!filter_match_preds(file->filter, entry))
EXPORT_SYMBOL_GPL(filter_match_preds);
err = filter_match_preds(filter, &d->rec);
if (filter && !filter_match_preds(filter, rec))