match_event      4451 kernel/trace/trace_events_hist.c 	char *match_event, *match_event_system;
match_event      4459 kernel/trace/trace_events_hist.c 	match_event = strsep(&str, ")");
match_event      4460 kernel/trace/trace_events_hist.c 	if (!match_event || !str) {
match_event      4461 kernel/trace/trace_events_hist.c 		hist_err(tr, HIST_ERR_NO_CLOSING_PAREN, errpos(match_event));
match_event      4465 kernel/trace/trace_events_hist.c 	match_event_system = strsep(&match_event, ".");
match_event      4466 kernel/trace/trace_events_hist.c 	if (!match_event) {
match_event      4471 kernel/trace/trace_events_hist.c 	if (IS_ERR(event_file(tr, match_event_system, match_event))) {
match_event      4472 kernel/trace/trace_events_hist.c 		hist_err(tr, HIST_ERR_INVALID_SUBSYS_EVENT, errpos(match_event));
match_event      4476 kernel/trace/trace_events_hist.c 	data->match_data.event = kstrdup(match_event, GFP_KERNEL);