if (opt_event_list != NULL) {
ret = process_opt_kernel_event();
+ if (ret < 0) {
+ goto end;
+ }
} else {
// Enable all events
}
-
- goto error;
}
if (opt_trace_pid != 0) {
*/
static int process_kernel_create_trace(void)
{
+ int ret;
+
+ /* Setup kernel session */
+ ret = lttng_kernel_create_session();
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Create an empty channel (with no event) */
+ ret = lttng_kernel_create_channel();
+ if (ret < 0) {
+ goto error;
+ }
+
+ /* Opening metadata for session */
+ ret = lttng_kernel_open_metadata();
+ if (ret < 0) {
+ goto error;
+ }
+
return 0;
+
+error:
+ return ret;
}
/*
}
/* If start trace, auto start tracing */
- if (opt_start_trace) {
+ if (opt_start_trace || opt_event_list != NULL) {
DBG("Requesting auto tracing");
auto_trace = 1;
}