Add "-n trace" option to print trace name

[babeltrace.git] / converter / babeltrace.c

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 22743c96878a1072585315e3d4eb0fb571d52a83..bac8a85f700a2f7b14dc5fbe4265d24e47aeadca 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -97,8 +97,9 @@ static void usage(FILE *fp)
        fprintf(fp, "                                 (or set BABELTRACE_DEBUG environment variable)\n");
        fprintf(fp, "  -n, --names name1<,name2,...>  Print field names.\n");
        fprintf(fp, "                                 Available field names:\n");
-       fprintf(fp, "                                     payload OR args OR arg\n");
-       fprintf(fp, "                                     all, scope, header, context OR ctx\n");
+       fprintf(fp, "                                     (payload OR args OR arg)\n");
+       fprintf(fp, "                                     all, scope, header, (context OR ctx)\n");
+       fprintf(fp, "                                     trace\n");
        fprintf(fp, "                                        (payload active by default)\n");
        list_formats(fp);
        fprintf(fp, "\n");
@@ -125,6 +126,8 @@ static int get_names_args(poptContext *pc)
                        opt_header_field_names = 1;
                else if (!strcmp(str, "payload") || !strcmp(str, "args") || !strcmp(str, "arg"))
                        opt_payload_field_names = 1;
+               else if (!strcmp(str, "trace"))
+                       opt_trace_name = 1;
                else {
                        fprintf(stdout, "[error] unknown field name type %s\n", str);
                        return -EINVAL;