kp_fd 2567 tools/perf/util/probe-event.c int kp_fd, up_fd, ret; kp_fd 2578 tools/perf/util/probe-event.c ret = probe_file__open_both(&kp_fd, &up_fd, 0); kp_fd 2582 tools/perf/util/probe-event.c if (kp_fd >= 0) kp_fd 2583 tools/perf/util/probe-event.c ret = __show_perf_probe_events(kp_fd, true, filter); kp_fd 2586 tools/perf/util/probe-event.c if (kp_fd > 0) kp_fd 2587 tools/perf/util/probe-event.c close(kp_fd);