diff options
Diffstat (limited to 'tools/perf/util/map.c')
| -rw-r--r-- | tools/perf/util/map.c | 45 |
1 files changed, 20 insertions, 25 deletions
diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 728129ac653a..c662fef95d14 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -6,6 +6,7 @@ #include <string.h> #include <stdio.h> #include <unistd.h> +#include <uapi/linux/mman.h> /* To get things like MAP_HUGETLB even on older libc headers */ #include "map.h" #include "thread.h" #include "strlist.h" @@ -24,9 +25,10 @@ const char *map_type__name[MAP__NR_TYPES] = { [MAP__VARIABLE] = "Variables", }; -static inline int is_anon_memory(const char *filename) +static inline int is_anon_memory(const char *filename, u32 flags) { - return !strcmp(filename, "//anon") || + return flags & MAP_HUGETLB || + !strcmp(filename, "//anon") || !strncmp(filename, "/dev/zero", sizeof("/dev/zero") - 1) || !strncmp(filename, "/anon_hugepage", sizeof("/anon_hugepage") - 1); } @@ -155,7 +157,7 @@ struct map *map__new(struct machine *machine, u64 start, u64 len, int anon, no_dso, vdso, android; android = is_android_lib(filename); - anon = is_anon_memory(filename); + anon = is_anon_memory(filename, flags); vdso = is_vdso_map(filename); no_dso = is_no_dso_memory(filename); @@ -279,7 +281,7 @@ void map__fixup_end(struct map *map) #define DSO__DELETED "(deleted)" -int map__load(struct map *map, symbol_filter_t filter) +int map__load(struct map *map) { const char *name = map->dso->long_name; int nr; @@ -287,7 +289,7 @@ int map__load(struct map *map, symbol_filter_t filter) if (dso__loaded(map->dso, map->type)) return 0; - nr = dso__load(map->dso, map, filter); + nr = dso__load(map->dso, map); if (nr < 0) { if (map->dso->has_build_id) { char sbuild_id[SBUILD_ID_SIZE]; @@ -312,9 +314,6 @@ int map__load(struct map *map, symbol_filter_t filter) pr_warning("%.*s was updated (is prelink enabled?). " "Restart the long running apps that use it!\n", (int)real_len, name); - } else if (filter) { - pr_warning("no symbols passed the given filter.\n"); - return -2; /* Empty but maybe by the filter */ } else { pr_warning("no symbols found in %s, maybe install " "a debug package?\n", name); @@ -331,19 +330,17 @@ int __weak arch__compare_symbol_names(const char *namea, const char *nameb) return strcmp(namea, nameb); } -struct symbol *map__find_symbol(struct map *map, u64 addr, - symbol_filter_t filter) +struct symbol *map__find_symbol(struct map *map, u64 addr) { - if (map__load(map, filter) < 0) + if (map__load(map) < 0) return NULL; return dso__find_symbol(map->dso, map->type, addr); } -struct symbol *map__find_symbol_by_name(struct map *map, const char *name, - symbol_filter_t filter) +struct symbol *map__find_symbol_by_name(struct map *map, const char *name) { - if (map__load(map, filter) < 0) + if (map__load(map) < 0) return NULL; if (!dso__sorted_by_name(map->dso, map->type)) @@ -556,23 +553,22 @@ void map_groups__put(struct map_groups *mg) struct symbol *map_groups__find_symbol(struct map_groups *mg, enum map_type type, u64 addr, - struct map **mapp, - symbol_filter_t filter) + struct map **mapp) { struct map *map = map_groups__find(mg, type, addr); /* Ensure map is loaded before using map->map_ip */ - if (map != NULL && map__load(map, filter) >= 0) { + if (map != NULL && map__load(map) >= 0) { if (mapp != NULL) *mapp = map; - return map__find_symbol(map, map->map_ip(map, addr), filter); + return map__find_symbol(map, map->map_ip(map, addr)); } return NULL; } struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, - struct map **mapp, symbol_filter_t filter) + struct map **mapp) { struct symbol *sym; struct rb_node *nd; @@ -582,7 +578,7 @@ struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, for (nd = rb_first(&maps->entries); nd; nd = rb_next(nd)) { struct map *pos = rb_entry(nd, struct map, rb_node); - sym = map__find_symbol_by_name(pos, name, filter); + sym = map__find_symbol_by_name(pos, name); if (sym == NULL) continue; @@ -600,15 +596,14 @@ out: struct symbol *map_groups__find_symbol_by_name(struct map_groups *mg, enum map_type type, const char *name, - struct map **mapp, - symbol_filter_t filter) + struct map **mapp) { - struct symbol *sym = maps__find_symbol_by_name(&mg->maps[type], name, mapp, filter); + struct symbol *sym = maps__find_symbol_by_name(&mg->maps[type], name, mapp); return sym; } -int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter) +int map_groups__find_ams(struct addr_map_symbol *ams) { if (ams->addr < ams->map->start || ams->addr >= ams->map->end) { if (ams->map->groups == NULL) @@ -620,7 +615,7 @@ int map_groups__find_ams(struct addr_map_symbol *ams, symbol_filter_t filter) } ams->al_addr = ams->map->map_ip(ams->map, ams->addr); - ams->sym = map__find_symbol(ams->map, ams->al_addr, filter); + ams->sym = map__find_symbol(ams->map, ams->al_addr); return ams->sym ? 0 : -1; } |