diff options
| -rw-r--r-- | tools/perf/util/map.c | 16 |
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 | |||
| 78 | struct symbol * | 80 | struct symbol * |
| 79 | map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter) | 81 | map__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 | } |
