perf maps: Rename 'mg' variables to 'maps'

Continuing the merge of 'struct maps' with 'struct map_groups'.

Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lkml.kernel.org/n/tip-z8d14wrw393a0fbvmnk1bqd9@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2019-11-25 22:21:28 -03:00
parent f2eaea09d6
commit 9a29ceee6b
10 changed files with 135 additions and 140 deletions

View file

@ -512,52 +512,50 @@ u64 map__objdump_2mem(struct map *map, u64 ip)
return ip + map->reloc;
}
void maps__init(struct maps *mg, struct machine *machine)
void maps__init(struct maps *maps, struct machine *machine)
{
mg->entries = RB_ROOT;
init_rwsem(&mg->lock);
mg->machine = machine;
mg->last_search_by_name = NULL;
mg->nr_maps = 0;
mg->maps_by_name = NULL;
refcount_set(&mg->refcnt, 1);
maps->entries = RB_ROOT;
init_rwsem(&maps->lock);
maps->machine = machine;
maps->last_search_by_name = NULL;
maps->nr_maps = 0;
maps->maps_by_name = NULL;
refcount_set(&maps->refcnt, 1);
}
static void __maps__free_maps_by_name(struct maps *mg)
static void __maps__free_maps_by_name(struct maps *maps)
{
/*
* Free everything to try to do it from the rbtree in the next search
*/
zfree(&mg->maps_by_name);
mg->nr_maps_allocated = 0;
zfree(&maps->maps_by_name);
maps->nr_maps_allocated = 0;
}
void maps__insert(struct maps *mg, struct map *map)
void maps__insert(struct maps *maps, struct map *map)
{
struct maps *maps = mg;
down_write(&maps->lock);
__maps__insert(maps, map);
++mg->nr_maps;
++maps->nr_maps;
/*
* If we already performed some search by name, then we need to add the just
* inserted map and resort.
*/
if (mg->maps_by_name) {
if (mg->nr_maps > mg->nr_maps_allocated) {
int nr_allocate = mg->nr_maps * 2;
struct map **maps_by_name = realloc(mg->maps_by_name, nr_allocate * sizeof(map));
if (maps->maps_by_name) {
if (maps->nr_maps > maps->nr_maps_allocated) {
int nr_allocate = maps->nr_maps * 2;
struct map **maps_by_name = realloc(maps->maps_by_name, nr_allocate * sizeof(map));
if (maps_by_name == NULL) {
__maps__free_maps_by_name(maps);
return;
}
mg->maps_by_name = maps_by_name;
mg->nr_maps_allocated = nr_allocate;
maps->maps_by_name = maps_by_name;
maps->nr_maps_allocated = nr_allocate;
}
mg->maps_by_name[mg->nr_maps - 1] = map;
maps->maps_by_name[maps->nr_maps - 1] = map;
__maps__sort_by_name(maps);
}
up_write(&maps->lock);
@ -569,16 +567,15 @@ static void __maps__remove(struct maps *maps, struct map *map)
map__put(map);
}
void maps__remove(struct maps *mg, struct map *map)
void maps__remove(struct maps *maps, struct map *map)
{
struct maps *maps = mg;
down_write(&maps->lock);
if (mg->last_search_by_name == map)
mg->last_search_by_name = NULL;
if (maps->last_search_by_name == map)
maps->last_search_by_name = NULL;
__maps__remove(maps, map);
--mg->nr_maps;
if (mg->maps_by_name)
--maps->nr_maps;
if (maps->maps_by_name)
__maps__free_maps_by_name(maps);
up_write(&maps->lock);
}
@ -607,30 +604,30 @@ bool maps__empty(struct maps *maps)
struct maps *maps__new(struct machine *machine)
{
struct maps *mg = zalloc(sizeof(*mg)), *maps = mg;
struct maps *maps = zalloc(sizeof(*maps));
if (mg != NULL)
if (maps != NULL)
maps__init(maps, machine);
return mg;
return maps;
}
void maps__delete(struct maps *mg)
void maps__delete(struct maps *maps)
{
maps__exit(mg);
unwind__finish_access(mg);
free(mg);
maps__exit(maps);
unwind__finish_access(maps);
free(maps);
}
void maps__put(struct maps *mg)
void maps__put(struct maps *maps)
{
if (mg && refcount_dec_and_test(&mg->refcnt))
maps__delete(mg);
if (maps && refcount_dec_and_test(&maps->refcnt))
maps__delete(maps);
}
struct symbol *maps__find_symbol(struct maps *mg, u64 addr, struct map **mapp)
struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp)
{
struct map *map = maps__find(mg, addr);
struct map *map = maps__find(maps, addr);
/* Ensure map is loaded before using map->map_ip */
if (map != NULL && map__load(map) >= 0) {
@ -676,12 +673,12 @@ out:
return sym;
}
int maps__find_ams(struct maps *mg, struct addr_map_symbol *ams)
int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams)
{
if (ams->addr < ams->ms.map->start || ams->addr >= ams->ms.map->end) {
if (mg == NULL)
if (maps == NULL)
return -1;
ams->ms.map = maps__find(mg, ams->addr);
ams->ms.map = maps__find(maps, ams->addr);
if (ams->ms.map == NULL)
return -1;
}
@ -819,7 +816,7 @@ out:
*/
int maps__clone(struct thread *thread, struct maps *parent)
{
struct maps *mg = thread->maps;
struct maps *maps = thread->maps;
int err = -ENOMEM;
struct map *map;
@ -830,11 +827,11 @@ int maps__clone(struct thread *thread, struct maps *parent)
if (new == NULL)
goto out_unlock;
err = unwind__prepare_access(mg, new, NULL);
err = unwind__prepare_access(maps, new, NULL);
if (err)
goto out_unlock;
maps__insert(mg, new);
maps__insert(maps, new);
map__put(new);
}