X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Flttngtop.c;h=8dc96ae33e27be3d7732313f79074af225511b9f;hb=14a97415ba61ac79cec3d315a8b31feae48cc7a5;hp=924864b32fb9f50710717ee7ed07642a8c0ffca6;hpb=85db46189f6379c1e517efd4cfc4558d696db988;p=lttngtop.git

diff --git a/src/lttngtop.c b/src/lttngtop.c
index 924864b..8dc96ae 100644
--- a/src/lttngtop.c
+++ b/src/lttngtop.c
@@ -334,9 +334,10 @@ void init_lttngtop()
 	lttngtop.cpu_table = g_ptr_array_new();
 }
 
-void usage(FILE *fd)
+void usage(FILE *fp)
 {
-
+	fprintf(fp, "LTTngTop %s\n\n", VERSION);
+	fprintf(fp, "Usage : lttngtop /path/to/trace\n");
 }
 
 /*
@@ -430,6 +431,13 @@ void iter_trace(struct bt_context *bt_ctx)
 	bt_ctf_iter_add_callback(iter,
 			g_quark_from_static_string("sys_read"),
 			NULL, 0, handle_sys_read, NULL, NULL, NULL);
+	bt_ctf_iter_add_callback(iter,
+			g_quark_from_static_string("sys_open"),
+			NULL, 0, handle_sys_open, NULL, NULL, NULL);
+
+	bt_ctf_iter_add_callback(iter,
+			g_quark_from_static_string("sys_close"),
+			NULL, 0, handle_sys_close, NULL, NULL, NULL);
 	while ((event = bt_ctf_iter_read_event(iter)) != NULL) {
 		ret = bt_iter_next(bt_ctf_get_iter(iter));
 		if (ret < 0)