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Diffstat (limited to 'tools/perf/util/srcline.c')
-rw-r--r--tools/perf/util/srcline.c20
1 files changed, 16 insertions, 4 deletions
diff --git a/tools/perf/util/srcline.c b/tools/perf/util/srcline.c
index 93795f9c2480..0c075560ad46 100644
--- a/tools/perf/util/srcline.c
+++ b/tools/perf/util/srcline.c
@@ -244,6 +244,12 @@ void dso__free_a2l(struct dso *dso __maybe_unused)
#endif /* HAVE_LIBBFD_SUPPORT */
+/*
+ * Number of addr2line failures (without success) before disabling it for that
+ * dso.
+ */
+#define A2L_FAIL_LIMIT 123
+
char *get_srcline(struct dso *dso, unsigned long addr)
{
char *file = NULL;
@@ -268,15 +274,21 @@ char *get_srcline(struct dso *dso, unsigned long addr)
if (!addr2line(dso_name, addr, &file, &line, dso))
goto out;
- if (asprintf(&srcline, "%s:%u", file, line) < 0)
- srcline = SRCLINE_UNKNOWN;
+ if (asprintf(&srcline, "%s:%u", file, line) < 0) {
+ free(file);
+ goto out;
+ }
+
+ dso->a2l_fails = 0;
free(file);
return srcline;
out:
- dso->has_srcline = 0;
- dso__free_a2l(dso);
+ if (dso->a2l_fails && ++dso->a2l_fails > A2L_FAIL_LIMIT) {
+ dso->has_srcline = 0;
+ dso__free_a2l(dso);
+ }
return SRCLINE_UNKNOWN;
}