X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Flttng.c;h=bad57fd9a8a41487e33482ba5ad5e49187c4abd3;hp=d4d40f07722ef8aad0097164af92456454418f90;hb=c7e35b037773dbbfe10178c946ba44feefb226e1;hpb=f9b10a528e51af8c58fdf360302271b5ed6ff873

diff --git a/src/bin/lttng/lttng.c b/src/bin/lttng/lttng.c
index d4d40f077..bad57fd9a 100644
--- a/src/bin/lttng/lttng.c
+++ b/src/bin/lttng/lttng.c
@@ -55,6 +55,7 @@ static struct option long_options[] = {
 	{"group",            1, NULL, 'g'},
 	{"verbose",          0, NULL, 'v'},
 	{"quiet",            0, NULL, 'q'},
+	{"mi",               1, NULL, 'm'},
 	{"no-sessiond",      0, NULL, 'n'},
 	{"sessiond-path",    1, NULL, OPT_SESSION_PATH},
 	{"relayd-path",      1, NULL, OPT_RELAYD_PATH},
@@ -99,6 +100,8 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "      --list-commands        Simple listing of lttng commands\n");
 	fprintf(ofp, "  -v, --verbose              Increase verbosity\n");
 	fprintf(ofp, "  -q, --quiet                Quiet mode\n");
+	fprintf(ofp, "  -m, --mi TYPE              Machine Interface mode.\n");
+	fprintf(ofp, "                                 Type: xml\n");
 	fprintf(ofp, "  -g, --group NAME           Unix tracing group name. (default: tracing)\n");
 	fprintf(ofp, "  -n, --no-sessiond          Don't spawn a session daemon\n");
 	fprintf(ofp, "      --sessiond-path PATH   Session daemon full path\n");
@@ -135,6 +138,25 @@ static void version(FILE *ofp)
 			progname);
 }
 
+/*
+ * Find the MI output type enum from a string. This function is for the support
+ * of machine interface output.
+ */
+static int mi_output_type(const char *output_type)
+{
+	int ret = 0;
+
+	if (!strncasecmp("xml", output_type, 3)) {
+		ret = LTTNG_MI_XML;
+	} else {
+		/* Invalid output format */
+		ERR("MI output format not supported");
+		ret = -LTTNG_ERR_MI_OUTPUT_TYPE;
+	}
+
+	return ret;
+}
+
 /*
  *  list_options
  *
@@ -426,7 +448,7 @@ static int parse_args(int argc, char **argv)
 		clean_exit(EXIT_FAILURE);
 	}
 
-	while ((opt = getopt_long(argc, argv, "+Vhnvqg:", long_options, NULL)) != -1) {
+	while ((opt = getopt_long(argc, argv, "+Vhnvqg:m:", long_options, NULL)) != -1) {
 		switch (opt) {
 		case 'V':
 			version(stdout);
@@ -445,6 +467,13 @@ static int parse_args(int argc, char **argv)
 		case 'q':
 			lttng_opt_quiet = 1;
 			break;
+		case 'm':
+			lttng_opt_mi = mi_output_type(optarg);
+			if (lttng_opt_mi < 0) {
+				ret = lttng_opt_mi;
+				goto error;
+			}
+			break;
 		case 'g':
 			lttng_set_tracing_group(optarg);
 			break;