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authorNamhyung Kim <namhyung@kernel.org>2025-08-15 20:16:32 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2025-08-28 12:35:12 -0300
commit644bbe59af3d04a0d3b78e8048a35ba68c0dbafd (patch)
tree68cd039d2839c748eb656705db0823a11bae3476 /tools/perf/ui/browsers/annotate.c
parent1d4374afd000baa59aadb067f195d0fae9bd7f11 (diff)
perf annotate: Show warning when debuginfo is not available
When user requests data-type annotation but no DWARF info is available, show a warning message about it. Warning: DWARF debuginfo not found. Data-type in this DSO will not be displayed. Please make sure to have debug information. Press any key... Signed-off-by: Namhyung Kim <namhyung@kernel.org> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Ian Rogers <irogers@google.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: https://lore.kernel.org/r/20250816031635.25318-10-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/ui/browsers/annotate.c')
-rw-r--r--tools/perf/ui/browsers/annotate.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index dfe869c20e35..e3e7004f3225 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -812,6 +812,20 @@ static int annotate__scnprintf_title(struct hists *hists, char *bf, size_t size)
return printed;
}
+static void annotate_browser__debuginfo_warning(struct annotate_browser *browser)
+{
+ struct map_symbol *ms = browser->b.priv;
+ struct dso *dso = map__dso(ms->map);
+
+ if (browser->dbg == NULL && annotate_opts.code_with_type &&
+ !dso__debuginfo_warned(dso)) {
+ ui__warning("DWARF debuginfo not found.\n\n"
+ "Data-type in this DSO will not be displayed.\n"
+ "Please make sure to have debug information.");
+ dso__set_debuginfo_warned(dso);
+ }
+}
+
static int annotate_browser__run(struct annotate_browser *browser,
struct evsel *evsel,
struct hist_browser_timer *hbt)
@@ -842,6 +856,8 @@ static int annotate_browser__run(struct annotate_browser *browser,
annotation_br_cntr_abbr_list(&br_cntr_text, evsel, false);
+ annotate_browser__debuginfo_warning(browser);
+
while (1) {
key = ui_browser__run(&browser->b, delay_secs);
@@ -1036,6 +1052,7 @@ show_sup_ins:
if (browser->dbg == NULL)
browser->dbg = debuginfo__new(dso__long_name(map__dso(ms->map)));
annotate_browser__show(&browser->b, title, help);
+ annotate_browser__debuginfo_warning(browser);
continue;
case K_LEFT:
case '<':