| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2009, 2010 Red Hat Inc, Steven Rostedt <srostedt@redhat.com> |
| * |
| */ |
| #include <stdlib.h> |
| #include <getopt.h> |
| #include <errno.h> |
| |
| #include "trace-local.h" |
| |
| void trace_check_events(int argc, char **argv) |
| { |
| const char *tracing; |
| int ret, c; |
| struct tep_handle *pevent = NULL; |
| struct tep_plugin_list *list = NULL; |
| |
| while ((c = getopt(argc-1, argv+1, "+hN")) >= 0) { |
| switch (c) { |
| case 'h': |
| default: |
| usage(argv); |
| break; |
| case 'N': |
| tracecmd_disable_plugins = 1; |
| break; |
| } |
| } |
| tracing = tracecmd_get_tracing_dir(); |
| |
| if (!tracing) { |
| printf("Can not find or mount tracing directory!\n" |
| "Either tracing is not configured for this " |
| "kernel\n" |
| "or you do not have the proper permissions to " |
| "mount the directory"); |
| exit(EINVAL); |
| } |
| |
| pevent = tep_alloc(); |
| if (!pevent) |
| exit(EINVAL); |
| list = tracecmd_load_plugins(pevent); |
| ret = tracecmd_fill_local_events(tracing, pevent); |
| if (ret || tep_get_parsing_failures(pevent)) |
| ret = EINVAL; |
| tracecmd_unload_plugins(list, pevent); |
| tep_free(pevent); |
| |
| return; |
| } |