X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;ds=sidebyside;f=src%2Fbin%2Flttng%2Fcommands%2Fsnapshot.c;h=db5a62551b5e3ba7b7812cee630c3fa6db6b4353;hb=e9accd4fad532b481ff23af1ef2202c1b5a43c70;hp=dd1137baa157c0c051256f4a71934a1de1ba3301;hpb=a8f307d87d2d308671df9fed0855f4344c60d335;p=lttng-tools.git

diff --git a/src/bin/lttng/commands/snapshot.c b/src/bin/lttng/commands/snapshot.c
index dd1137baa..db5a62551 100644
--- a/src/bin/lttng/commands/snapshot.c
+++ b/src/bin/lttng/commands/snapshot.c
@@ -50,6 +50,7 @@ enum {
 	OPT_HELP = 1,
 	OPT_LIST_OPTIONS,
 	OPT_MAX_SIZE,
+	OPT_LIST_COMMANDS,
 };
 
 static struct poptOption snapshot_opts[] = {
@@ -61,6 +62,7 @@ static struct poptOption snapshot_opts[] = {
 	{"name",         'n', POPT_ARG_STRING, &opt_output_name, 0, 0, 0},
 	{"max-size",     'm', POPT_ARG_STRING, 0, OPT_MAX_SIZE, 0, 0},
 	{"list-options",   0, POPT_ARG_NONE, NULL, OPT_LIST_OPTIONS, NULL, NULL},
+	{"list-commands",  0, POPT_ARG_NONE, NULL, OPT_LIST_COMMANDS},
 	{0, 0, 0, 0, 0, 0, 0}
 };
 
@@ -440,6 +442,9 @@ int cmd_snapshot(int argc, const char **argv)
 		case OPT_LIST_OPTIONS:
 			list_cmd_options(stdout, snapshot_opts);
 			goto end;
+		case OPT_LIST_COMMANDS:
+			list_commands(actions, stdout);
+			goto end;
 		case OPT_MAX_SIZE:
 		{
 			uint64_t val;
@@ -475,10 +480,17 @@ int cmd_snapshot(int argc, const char **argv)
 
 	ret = handle_command(poptGetArgs(pc));
 	if (ret < 0) {
-		if (ret == -LTTNG_ERR_EPERM) {
+		switch (-ret) {
+		case LTTNG_ERR_EPERM:
 			ERR("The session needs to be set in no output mode (--no-output)");
+			break;
+		case LTTNG_ERR_SNAPSHOT_NODATA:
+			WARN("%s", lttng_strerror(ret));
+			break;
+		default:
+			ERR("%s", lttng_strerror(ret));
+			break;
 		}
-		ERR("%s", lttng_strerror(ret));
 		goto end;
 	}