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");
ret = execvp(viewer_bin, argv);
if (ret) {
- PERROR("exec: %s", viewer_bin);
+ if (errno == ENOENT) {
+ ERR("%s not found on the system", viewer_bin);
+ } else {
+ PERROR("exec: %s", viewer_bin);
+ }
free(argv);
ret = CMD_FATAL;
goto error;
goto free_sessions;
}
- ret = CMD_SUCCESS;
-
free_sessions:
if (sessions) {
free(sessions);