up_fd            2567 tools/perf/util/probe-event.c 	int kp_fd, up_fd, ret;
up_fd            2578 tools/perf/util/probe-event.c 	ret = probe_file__open_both(&kp_fd, &up_fd, 0);
up_fd            2584 tools/perf/util/probe-event.c 	if (up_fd >= 0 && ret >= 0)
up_fd            2585 tools/perf/util/probe-event.c 		ret = __show_perf_probe_events(up_fd, false, filter);
up_fd            2588 tools/perf/util/probe-event.c 	if (up_fd > 0)
up_fd            2589 tools/perf/util/probe-event.c 		close(up_fd);