8 static inline int is_anon_memory(const char *filename)
10 return strcmp(filename, "//anon") == 0;
13 static int strcommon(const char *pathname, char *cwd, int cwdlen)
17 while (n < cwdlen && pathname[n] == cwd[n])
23 void map__init(struct map *self, u64 start, u64 end, u64 pgoff,
30 self->map_ip = map__map_ip;
31 self->unmap_ip = map__unmap_ip;
32 RB_CLEAR_NODE(&self->rb_node);
35 struct map *map__new(struct mmap_event *event, char *cwd, int cwdlen)
37 struct map *self = malloc(sizeof(*self));
40 const char *filename = event->filename;
41 char newfilename[PATH_MAX];
46 int n = strcommon(filename, cwd, cwdlen);
49 snprintf(newfilename, sizeof(newfilename),
51 filename = newfilename;
55 anon = is_anon_memory(filename);
58 snprintf(newfilename, sizeof(newfilename), "/tmp/perf-%d.map", event->pid);
59 filename = newfilename;
62 dso = dsos__findnew(filename);
66 map__init(self, event->start, event->start + event->len,
69 if (self->dso == vdso || anon)
70 self->map_ip = self->unmap_ip = identity__map_ip;
78 #define DSO__DELETED "(deleted)"
81 map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter)
83 if (!self->dso->loaded) {
84 int nr = dso__load(self->dso, self, filter);
87 if (self->dso->has_build_id) {
88 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
90 build_id__sprintf(self->dso->build_id,
91 sizeof(self->dso->build_id),
93 pr_warning("%s with build id %s not found",
94 self->dso->long_name, sbuild_id);
96 pr_warning("Failed to open %s",
97 self->dso->long_name);
98 pr_warning(", continuing without symbols\n");
100 } else if (nr == 0) {
101 const char *name = self->dso->long_name;
102 const size_t len = strlen(name);
103 const size_t real_len = len - sizeof(DSO__DELETED);
105 if (len > sizeof(DSO__DELETED) &&
106 strcmp(name + real_len + 1, DSO__DELETED) == 0) {
107 pr_warning("%.*s was updated, restart the long running apps that use it!\n",
108 (int)real_len, name);
110 pr_warning("no symbols found in %s, maybe install a debug package?\n", name);
116 return self->dso->find_symbol(self->dso, ip);
119 struct map *map__clone(struct map *self)
121 struct map *map = malloc(sizeof(*self));
126 memcpy(map, self, sizeof(*self));
131 int map__overlap(struct map *l, struct map *r)
133 if (l->start > r->start) {
139 if (l->end > r->start)
145 size_t map__fprintf(struct map *self, FILE *fp)
147 return fprintf(fp, " %Lx-%Lx %Lx %s\n",
148 self->start, self->end, self->pgoff, self->dso->name);