X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng%2Fcommands%2Fsnapshot.c;h=cc0dd9629d4d37902a7f6603313b89671ea9584a;hp=866b55a38549c3e0cc41cc179a9b3b2ae4d089a2;hb=6dc3064a30b0cc7cfa9fdd22da1963525dfb7388;hpb=57f272edb1b4ccb8869e3f5b69eb5461bcb56101

diff --git a/src/bin/lttng/commands/snapshot.c b/src/bin/lttng/commands/snapshot.c
index 866b55a38..cc0dd9629 100644
--- a/src/bin/lttng/commands/snapshot.c
+++ b/src/bin/lttng/commands/snapshot.c
@@ -460,6 +460,9 @@ int cmd_snapshot(int argc, const char **argv)
 
 	ret = handle_command(poptGetArgs(pc));
 	if (ret < 0) {
+		if (ret == -LTTNG_ERR_EPERM) {
+			ERR("The session needs to be set in no output mode (--no-output)");
+		}
 		ERR("%s", lttng_strerror(ret));
 		goto end;
 	}