X-Git-Url: http://git.efficios.com/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Flttng.c;h=2df8b8740225afc831c5769779473c0db5140f51;hp=c4443e7fb22c8e60d285bcb10dc1952f6e82c1a1;hb=234170acd2ca985ff9023007eef52440601d8f12;hpb=c864d6d788c58de94111911a9e10d221ec8bc398

diff --git a/src/bin/lttng/lttng.c b/src/bin/lttng/lttng.c
index c4443e7fb..2df8b8740 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},
@@ -81,6 +82,7 @@ static struct cmd_struct commands[] =  {
 	{ "view", cmd_view},
 	{ "snapshot", cmd_snapshot},
 	{ "save", cmd_save},
+	{ "load", cmd_load},
 	{ "enable-consumer", cmd_enable_consumer}, /* OBSOLETE */
 	{ "disable-consumer", cmd_disable_consumer}, /* OBSOLETE */
 	{ NULL, NULL}	/* Array closure */
@@ -88,7 +90,8 @@ static struct cmd_struct commands[] =  {
 
 static void usage(FILE *ofp)
 {
-	fprintf(ofp, "LTTng Trace Control " VERSION" - " VERSION_NAME"\n\n");
+	fprintf(ofp, "LTTng Trace Control " VERSION " - " VERSION_NAME "%s\n\n",
+		GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION);
 	fprintf(ofp, "usage: lttng [OPTIONS] <COMMAND> [<ARGS>]\n");
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Options:\n");
@@ -98,6 +101,8 @@ 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");
@@ -120,6 +125,7 @@ static void usage(FILE *ofp)
 	fprintf(ofp, "    version           Show version information\n");
 	fprintf(ofp, "    view              Start trace viewer\n");
 	fprintf(ofp, "    save              Save session configuration\n");
+	fprintf(ofp, "    load              Load session configuration\n");
 	fprintf(ofp, "\n");
 	fprintf(ofp, "Each command also has its own -h, --help option.\n");
 	fprintf(ofp, "\n");
@@ -129,8 +135,28 @@ static void usage(FILE *ofp)
 
 static void version(FILE *ofp)
 {
-	fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME"\n",
-			progname);
+	fprintf(ofp, "%s (LTTng Trace Control) " VERSION" - " VERSION_NAME "%s\n",
+			progname,
+			GIT_VERSION[0] == '\0' ? "" : " - " GIT_VERSION);
+}
+
+/*
+ * 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;
 }
 
 /*
@@ -424,7 +450,7 @@ 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);
@@ -435,11 +461,21 @@ static int parse_args(int argc, char **argv)
 			ret = 0;
 			goto end;
 		case 'v':
-			lttng_opt_verbose += 1;
+			/* There is only 3 possible level of verbosity. (-vvv) */
+			if (lttng_opt_verbose < 3) {
+				lttng_opt_verbose += 1;
+			}
 			break;
 		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;