---

yaml
---
r: 234470
b: refs/heads/master
c: 170ae6b
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 9848caf26dafefcec7881f0e3c35fc81c454ba59
+refs/heads/master: 170ae6bc24e1d7f9bd921a484ec9ea2825497970

trunk/tools/perf/util/annotate.c

@@ -295,12 +295,23 @@ int symbol__annotate(struct symbol *sym, struct map *map, size_t privsize)
 	}
 
 	if (dso->origin == DSO__ORIG_KERNEL) {
+		char bf[BUILD_ID_SIZE * 2 + 16] = " with build id ";
+		char *build_id_msg = NULL;
+
 		if (dso->annotate_warned)
 			goto out_free_filename;
+
+		if (dso->has_build_id) {
+			build_id__sprintf(dso->build_id,
+					  sizeof(dso->build_id), bf + 15);
+			build_id_msg = bf;
+		}
 		err = -ENOENT;
 		dso->annotate_warned = 1;
-		pr_err("Can't annotate %s: No vmlinux file was found in the "
-		       "path\n", sym->name);
+		pr_err("Can't annotate %s: No vmlinux file%s was found in the "
+		       "path.\nPlease use 'perf buildid-cache -av vmlinux' or "
+		       "--vmlinux vmlinux.\n",
+		       sym->name, build_id_msg ?: "");
 		goto out_free_filename;
 	}
 

trunk/tools/perf/util/ui/browsers/hists.c

@@ -924,14 +924,6 @@ int hists__browse(struct hists *self, const char *helpline,
 		if (choice == annotate) {
 			struct hist_entry *he;
 do_annotate:
-			if (browser->selection->map->dso->origin == DSO__ORIG_KERNEL) {
-				browser->selection->map->dso->annotate_warned = 1;
-				ui_helpline__puts("No vmlinux file found, can't "
-						 "annotate with just a "
-						 "kallsyms file");
-				continue;
-			}
-
 			he = hist_browser__selected_entry(browser);
 			if (he == NULL)
 				continue;