aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--tools/perf/util/map.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 679011c1b6d1..f1e216955420 100644
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -75,6 +75,8 @@ out_delete:
75 return NULL; 75 return NULL;
76} 76}
77 77
78#define DSO__DELETED "(deleted)"
79
78struct symbol * 80struct symbol *
79map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter) 81map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter)
80{ 82{
@@ -86,8 +88,18 @@ map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter)
86 self->dso->long_name); 88 self->dso->long_name);
87 return NULL; 89 return NULL;
88 } else if (nr == 0) { 90 } else if (nr == 0) {
89 pr_warning("No symbols found in %s, maybe install a debug package?\n", 91 const char *name = self->dso->long_name;
90 self->dso->long_name); 92 const size_t len = strlen(name);
93 const size_t real_len = len - sizeof(DSO__DELETED);
94
95 if (len > sizeof(DSO__DELETED) &&
96 strcmp(name + real_len + 1, DSO__DELETED) == 0)
97 pr_warning("%.*s was updated, restart the "
98 "long running apps that use it!\n",
99 real_len, name);
100 else
101 pr_warning("no symbols found in %s, maybe "
102 "install a debug package?\n", name);
91 return NULL; 103 return NULL;
92 } 104 }
93 } 105 }