diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/util/annotate.c | 15 | ||||
| -rw-r--r-- | tools/perf/util/ui/browsers/hists.c | 8 |
2 files changed, 13 insertions, 10 deletions
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 70ec422ddb6..0d0830c98cd 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -295,12 +295,23 @@ fallback: } 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; } diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c index 294b4953852..497b3c4076a 100644 --- a/tools/perf/util/ui/browsers/hists.c +++ b/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; |