+ int ret, pos, size;
+ char *event_list, *event, *ptr;
+
+ DBG("Getting all tracing events");
+
+ ret = lttng_kernel_list_events(&event_list);
+ if (ret < 0) {
+ ERR("Unable to list events.");
+ return ret;
+ }
+
+ MSG("Kernel tracepoints:\n-------------");
+
+ ptr = event_list;
+ while ((size = sscanf(ptr, "event { name = %m[^;]; };%n\n", &event, &pos)) == 1) {
+ MSG(" - %s", event);
+ /* Move pointer to the next line */
+ ptr += pos + 1;
+ free(event);
+ }
+
+ free(event_list);
+
+ return 0;
+}
+
+/*
+ * process_opt_kernel_event
+ *
+ * Enable kernel event from the command line list given.
+ */
+static int process_opt_kernel_event(void)
+{
+ int ret;
+ char *event_name;
+
+ if (opt_enable_all_event) {
+ ret = lttng_kernel_enable_event(NULL);
+ if (ret < 0) {
+ ERR("%s", lttng_get_readable_code(ret));
+ } else {
+ MSG("All kernel event enabled");
+ }
+
+ goto end;
+ }
+
+ event_name = strtok(opt_event_list, ",");
+ while (event_name != NULL) {
+ DBG("Enabling kernel event %s", event_name);
+ ret = lttng_kernel_enable_event(event_name);
+ if (ret < 0) {
+ ERR("%s %s", lttng_get_readable_code(ret), event_name);
+ } else {
+ MSG("Kernel event %s enabled.", event_name);
+ }
+ /* Next event */
+ event_name = strtok(NULL, ",");
+ }
+
+end:
+ return 0;
+}
+
+/*
+ * set_opt_session_info
+ *
+ * Setup session_name, current_uuid, short_str_uuid and
+ * long_str_uuid using the command line options.
+ */
+static void set_opt_session_info(void)
+{
+ if (opt_session_name != NULL) {
+ session_name = strndup(opt_session_name, NAME_MAX);
+ DBG("Session name set to %s", session_name);
+ }
+}
+
+/*
+ * set_session_uuid
+ *
+ * Set current session uuid to the current flow of command(s) using the
+ * session_name.
+ */
+static int set_session_uuid(void)
+{
+ int ret, count, i, found = 0;