1 files changed, 70 insertions, 0 deletions
diff --git a/tracecmd/trace-check-events.c b/tracecmd/trace-check-events.c
new file mode 100644
index 00000000..46f57e17
--- /dev/null
+++ b/tracecmd/trace-check-events.c
@@ -0,0 +1,70 @@
+// 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 "tracefs.h"
+#include "trace-local.h"
+
+enum {
+	OPT_verbose	= 255,
+};
+
+void trace_check_events(int argc, char **argv)
+{
+	const char *tracing;
+	int ret, c;
+	int parsing_failures = 0;
+	struct tep_handle *pevent = NULL;
+	struct tep_plugin_list *list = NULL;
+	int open_flags = 0;
+	int option_index = 0;
+	static struct option long_options[] = {
+		{"verbose", optional_argument, NULL, OPT_verbose},
+		{NULL, 0, NULL, 0}
+	};
+
+
+	while ((c = getopt_long(argc-1, argv+1, "+hN", long_options, &option_index)) >= 0) {
+		switch (c) {
+		case 'h':
+		default:
+			usage(argv);
+			break;
+		case 'N':
+			open_flags |= TRACECMD_FL_LOAD_NO_PLUGINS;
+			break;
+		case OPT_verbose:
+			if (trace_set_verbose(optarg) < 0)
+				die("invalid verbose level %s", optarg);
+			break;
+		}
+	}
+	tracing = tracefs_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 = trace_load_plugins(pevent, open_flags);
+	ret = tracefs_fill_local_events(tracing, pevent, &parsing_failures);
+	if (ret || parsing_failures)
+		ret = EINVAL;
+	tep_unload_plugins(list, pevent);
+	tep_free(pevent);
+
+	return;
+}