fprintf(ofp, "Where SESSION_NAME is an optional session name. If not specified, lttng will\n");
fprintf(ofp, "get it from the configuration file (.lttngrc).\n");
fprintf(ofp, "\n");
+ fprintf(ofp, "Options:\n");
fprintf(ofp, " -h, --help Show this help\n");
fprintf(ofp, " --list-options Simple listing of options\n");
fprintf(ofp, " -t, --trace-path PATH Trace directory path for the viewer\n");
*/
static int view_trace(void)
{
- int ret, count, i, found = 0;
+ int ret;
char *session_name, *trace_path;
struct lttng_session *sessions = NULL;
DBG("Viewing trace for session %s", session_name);
if (session_name) {
+ int i, count, found = 0;
+
/* Getting all sessions */
count = lttng_list_sessions(&sessions);
if (count < 0) {
}
trace_path = sessions[i].path;
+
+ if (sessions[i].enabled) {
+ WARN("Session %s is running. Please stop it before reading it.",
+ session_name);
+ ret = CMD_ERROR;
+ goto free_sessions;
+ }
} else {
trace_path = opt_trace_path;
}
}
free_sessions:
- if (sessions) {
- free(sessions);
- }
+ free(sessions);
free_error:
if (opt_session_name == NULL) {
free(session_name);