[PATCH 6.8 058/158] perf annotate: Make sure to call symbol__annotate2() in TUI

Greg Kroah-Hartman
2024-04-23T21:41:44Z

From: Namhyung Kim <namhyung@kernel.org>

[ Upstream commit 2b8dbf69ec60faf6c7db49e57d7f316409ccec92 ]

The symbol__annotate2() initializes some data structures needed by TUI.
It has a logic to prevent calling it multiple times by checking if it
has the annotated source. But data type profiling uses a different
code (symbol__annotate) to allocate the annotated lines in advance.
So TUI missed to call symbol__annotate2() when it shows the annotation
browser.

Make symbol__annotate() reentrant and handle that situation properly.
This fixes a crash in the annotation browser started by perf report in
TUI like below.

$ perf report -s type,sym --tui
# and press 'a' key and then move down

Fixes: 81e57deec325 ("perf report: Support data type profiling")
Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240405211800.1412920-2-namhyung@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
tools/perf/ui/browsers/annotate.c | 2 +-
tools/perf/util/annotate.c | 3 +++
2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index ec5e219328760..4790c735599bd 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -970,7 +970,7 @@ int symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
if (dso->annotate_warned)
return -1;

- if (not_annotated) {
+ if (not_annotated || !sym->annotate2) {
err = symbol__annotate2(ms, evsel, &browser.arch);
if (err) {
char msg[BUFSIZ];
diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c
index 9b70ab110ce79..86a996290e9ab 100644
--- a/tools/perf/util/annotate.c
+++ b/tools/perf/util/annotate.c
@@ -2435,6 +2435,9 @@ int symbol__annotate(struct map_symbol *ms, struct evsel *evsel,
if (parch)
*parch = arch;

+ if (!list_empty(&notes->src->source))
+ return 0;
+
args.arch = arch;
args.ms = *ms;
if (annotate_opts.full_addr)
--
2.43.0