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 void map__delete(struct map *self)
83 void map__fixup_start(struct map *self)
85 struct rb_node *nd = rb_first(&self->dso->syms);
87 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
88 self->start = sym->start;
92 void map__fixup_end(struct map *self)
94 struct rb_node *nd = rb_last(&self->dso->syms);
96 struct symbol *sym = rb_entry(nd, struct symbol, rb_node);
101 #define DSO__DELETED "(deleted)"
104 map__find_symbol(struct map *self, u64 ip, symbol_filter_t filter)
106 if (!self->dso->loaded) {
107 int nr = dso__load(self->dso, self, filter);
110 if (self->dso->has_build_id) {
111 char sbuild_id[BUILD_ID_SIZE * 2 + 1];
113 build_id__sprintf(self->dso->build_id,
114 sizeof(self->dso->build_id),
116 pr_warning("%s with build id %s not found",
117 self->dso->long_name, sbuild_id);
119 pr_warning("Failed to open %s",
120 self->dso->long_name);
121 pr_warning(", continuing without symbols\n");
123 } else if (nr == 0) {
124 const char *name = self->dso->long_name;
125 const size_t len = strlen(name);
126 const size_t real_len = len - sizeof(DSO__DELETED);
128 if (len > sizeof(DSO__DELETED) &&
129 strcmp(name + real_len + 1, DSO__DELETED) == 0) {
130 pr_warning("%.*s was updated, restart the long running apps that use it!\n",
131 (int)real_len, name);
133 pr_warning("no symbols found in %s, maybe install a debug package?\n", name);
139 return self->dso->find_symbol(self->dso, ip);
142 struct map *map__clone(struct map *self)
144 struct map *map = malloc(sizeof(*self));
149 memcpy(map, self, sizeof(*self));
154 int map__overlap(struct map *l, struct map *r)
156 if (l->start > r->start) {
162 if (l->end > r->start)
168 size_t map__fprintf(struct map *self, FILE *fp)
170 return fprintf(fp, " %Lx-%Lx %Lx %s\n",
171 self->start, self->end, self->pgoff, self->dso->name);