-
- fmt = bt_lookup_format(g_quark_from_string(format_str));
- td = fmt->open_trace(path, O_RDONLY,
- ctf_move_pos_slow, NULL);
- if (!td) {
- fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n",
- path);
- return -1;
+ int ret;
+
+ fmt = bt_lookup_format(g_quark_from_string(format_name));
+ if (!fmt) {
+ fprintf(stderr, "[error] [Context] Format \"%s\" unknown.\n\n",
+ format_name);
+ ret = -1;
+ goto end;
+ }
+ if (path) {
+ td = fmt->open_trace(path, O_RDONLY, packet_seek, NULL);
+ if (!td) {
+ fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n",
+ path);
+ ret = -1;
+ goto end;
+ }
+ } else {
+ td = fmt->open_mmap_trace(stream_list, packet_seek, metadata);
+ if (!td) {
+ fprintf(stderr, "[error] [Context] Cannot open_trace of the format %s .\n\n",
+ path);
+ ret = -1;
+ goto end;
+ }