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>

diff --git a/tools/perf/tests/map_groups.c b/tools/perf/tests/map_groups.c
index db806e5..9df1d14 100644 (file)
--- a/tools/perf/tests/map_groups.c
+++ b/tools/perf/tests/map_groups.c
@@ -35,7 +35,7 @@ static int check_maps(struct map_def *merged, unsigned int size, struct maps *ma
 
 int test__map_groups__merge_in(struct test *t __maybe_unused, int subtest __maybe_unused)
 {
-       struct maps mg;
+       struct maps maps;
        unsigned int i;
        struct map_def bpf_progs[] = {
                { "bpf_prog_1", 200, 300 },
@@ -64,7 +64,7 @@ int test__map_groups__merge_in(struct test *t __maybe_unused, int subtest __mayb
        struct map *map_kcore1, *map_kcore2, *map_kcore3;
        int ret;
 
-       maps__init(&mg, NULL);
+       maps__init(&maps, NULL);
 
        for (i = 0; i < ARRAY_SIZE(bpf_progs); i++) {
                struct map *map;
@@ -74,7 +74,7 @@ int test__map_groups__merge_in(struct test *t __maybe_unused, int subtest __mayb
 
                map->start = bpf_progs[i].start;
                map->end   = bpf_progs[i].end;
-               maps__insert(&mg, map);
+               maps__insert(&maps, map);
                map__put(map);
        }
 
@@ -99,22 +99,22 @@ int test__map_groups__merge_in(struct test *t __maybe_unused, int subtest __mayb
        map_kcore3->start = 880;
        map_kcore3->end   = 1100;
 
-       ret = maps__merge_in(&mg, map_kcore1);
+       ret = maps__merge_in(&maps, map_kcore1);
        TEST_ASSERT_VAL("failed to merge map", !ret);
 
-       ret = check_maps(merged12, ARRAY_SIZE(merged12), &mg);
+       ret = check_maps(merged12, ARRAY_SIZE(merged12), &maps);
        TEST_ASSERT_VAL("merge check failed", !ret);
 
-       ret = maps__merge_in(&mg, map_kcore2);
+       ret = maps__merge_in(&maps, map_kcore2);
        TEST_ASSERT_VAL("failed to merge map", !ret);
 
-       ret = check_maps(merged12, ARRAY_SIZE(merged12), &mg);
+       ret = check_maps(merged12, ARRAY_SIZE(merged12), &maps);
        TEST_ASSERT_VAL("merge check failed", !ret);
 
-       ret = maps__merge_in(&mg, map_kcore3);
+       ret = maps__merge_in(&maps, map_kcore3);
        TEST_ASSERT_VAL("failed to merge map", !ret);
 
-       ret = check_maps(merged3, ARRAY_SIZE(merged3), &mg);
+       ret = check_maps(merged3, ARRAY_SIZE(merged3), &maps);
        TEST_ASSERT_VAL("merge check failed", !ret);
        return TEST_OK;
 }

diff --git a/tools/perf/tests/thread-mg-share.c b/tools/perf/tests/thread-mg-share.c
index 6032061..e3b0d69 100644 (file)
--- a/tools/perf/tests/thread-mg-share.c
+++ b/tools/perf/tests/thread-mg-share.c
@@ -12,7 +12,7 @@ int test__thread_mg_share(struct test *test __maybe_unused, int subtest __maybe_
        /* thread group */
        struct thread *leader;
        struct thread *t1, *t2, *t3;
-       struct maps *mg;
+       struct maps *maps;
 
        /* other process */
        struct thread *other, *other_leader;
@@ -42,13 +42,13 @@ int test__thread_mg_share(struct test *test __maybe_unused, int subtest __maybe_
        TEST_ASSERT_VAL("failed to create threads",
                        leader && t1 && t2 && t3 && other);
 
-       mg = leader->maps;
-       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 4);
+       maps = leader->maps;
+       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 4);
 
        /* test the map groups pointer is shared */
-       TEST_ASSERT_VAL("map groups don't match", mg == t1->maps);
-       TEST_ASSERT_VAL("map groups don't match", mg == t2->maps);
-       TEST_ASSERT_VAL("map groups don't match", mg == t3->maps);
+       TEST_ASSERT_VAL("map groups don't match", maps == t1->maps);
+       TEST_ASSERT_VAL("map groups don't match", maps == t2->maps);
+       TEST_ASSERT_VAL("map groups don't match", maps == t3->maps);
 
        /*
         * Verify the other leader was created by previous call.
@@ -77,13 +77,13 @@ int test__thread_mg_share(struct test *test __maybe_unused, int subtest __maybe_
 
        /* release thread group */
        thread__put(leader);
-       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 3);
+       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 3);
 
        thread__put(t1);
-       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 2);
+       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 2);
 
        thread__put(t2);
-       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&mg->refcnt), 1);
+       TEST_ASSERT_EQUAL("wrong refcnt", refcount_read(&maps->refcnt), 1);
 
        thread__put(t3);
 

diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index fc3da38..c5447ff 100644 (file)
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -457,11 +457,11 @@ int perf_event__process(struct perf_tool *tool __maybe_unused,
 struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
                             struct addr_location *al)
 {
-       struct maps *mg = thread->maps;
-       struct machine *machine = mg->machine;
+       struct maps *maps = thread->maps;
+       struct machine *machine = maps->machine;
        bool load_map = false;
 
-       al->maps = mg;
+       al->maps = maps;
        al->thread = thread;
        al->addr = addr;
        al->cpumode = cpumode;
@@ -474,13 +474,13 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
 
        if (cpumode == PERF_RECORD_MISC_KERNEL && perf_host) {
                al->level = 'k';
-               al->maps = mg = &machine->kmaps;
+               al->maps = maps = &machine->kmaps;
                load_map = true;
        } else if (cpumode == PERF_RECORD_MISC_USER && perf_host) {
                al->level = '.';
        } else if (cpumode == PERF_RECORD_MISC_GUEST_KERNEL && perf_guest) {
                al->level = 'g';
-               al->maps = mg = &machine->kmaps;
+               al->maps = maps = &machine->kmaps;
                load_map = true;
        } else if (cpumode == PERF_RECORD_MISC_GUEST_USER && perf_guest) {
                al->level = 'u';
@@ -500,7 +500,7 @@ struct map *thread__find_map(struct thread *thread, u8 cpumode, u64 addr,
                return NULL;
        }
 
-       al->map = maps__find(mg, al->addr);
+       al->map = maps__find(maps, al->addr);
        if (al->map != NULL) {
                /*
                 * Kernel maps might be changed when loading symbols so loading

diff --git a/tools/perf/util/machine.c b/tools/perf/util/machine.c
index c1ae5e6..416d174 100644 (file)
--- a/tools/perf/util/machine.c
+++ b/tools/perf/util/machine.c
@@ -1259,10 +1259,10 @@ static bool is_kmod_dso(struct dso *dso)
               dso->symtab_type == DSO_BINARY_TYPE__GUEST_KMODULE;
 }
 
-static int maps__set_module_path(struct maps *mg, const char *path, struct kmod_path *m)
+static int maps__set_module_path(struct maps *maps, const char *path, struct kmod_path *m)
 {
        char *long_name;
-       struct map *map = maps__find_by_name(mg, m->name);
+       struct map *map = maps__find_by_name(maps, m->name);
 
        if (map == NULL)
                return 0;
@@ -1286,7 +1286,7 @@ static int maps__set_module_path(struct maps *mg, const char *path, struct kmod_
        return 0;
 }
 
-static int maps__set_modules_path_dir(struct maps *mg, const char *dir_name, int depth)
+static int maps__set_modules_path_dir(struct maps *maps, const char *dir_name, int depth)
 {
        struct dirent *dent;
        DIR *dir = opendir(dir_name);
@@ -1318,7 +1318,7 @@ static int maps__set_modules_path_dir(struct maps *mg, const char *dir_name, int
                                        continue;
                        }
 
-                       ret = maps__set_modules_path_dir(mg, path, depth + 1);
+                       ret = maps__set_modules_path_dir(maps, path, depth + 1);
                        if (ret < 0)
                                goto out;
                } else {
@@ -1329,7 +1329,7 @@ static int maps__set_modules_path_dir(struct maps *mg, const char *dir_name, int
                                goto out;
 
                        if (m.kmod)
-                               ret = maps__set_module_path(mg, path, &m);
+                               ret = maps__set_module_path(maps, path, &m);
 
                        zfree(&m.name);
 

diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c
index 39bfed4..fdd5bdd 100644 (file)
--- a/tools/perf/util/map.c
+++ b/tools/perf/util/map.c
@@ -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);
        }
 

diff --git a/tools/perf/util/map_groups.h b/tools/perf/util/map_groups.h
index 8a45994..ada2f40 100644 (file)
--- a/tools/perf/util/map_groups.h
+++ b/tools/perf/util/map_groups.h
@@ -49,39 +49,39 @@ struct kmap {
 };
 
 struct maps *maps__new(struct machine *machine);
-void maps__delete(struct maps *mg);
-bool maps__empty(struct maps *mg);
+void maps__delete(struct maps *maps);
+bool maps__empty(struct maps *maps);
 
-static inline struct maps *maps__get(struct maps *mg)
+static inline struct maps *maps__get(struct maps *maps)
 {
-       if (mg)
-               refcount_inc(&mg->refcnt);
-       return mg;
+       if (maps)
+               refcount_inc(&maps->refcnt);
+       return maps;
 }
 
-void maps__put(struct maps *mg);
-void maps__init(struct maps *mg, struct machine *machine);
-void maps__exit(struct maps *mg);
+void maps__put(struct maps *maps);
+void maps__init(struct maps *maps, struct machine *machine);
+void maps__exit(struct maps *maps);
 int maps__clone(struct thread *thread, struct maps *parent);
-size_t maps__fprintf(struct maps *mg, FILE *fp);
+size_t maps__fprintf(struct maps *maps, FILE *fp);
 
-void maps__insert(struct maps *mg, struct map *map);
+void maps__insert(struct maps *maps, struct map *map);
 
-void maps__remove(struct maps *mg, struct map *map);
+void maps__remove(struct maps *maps, struct map *map);
 
-struct symbol *maps__find_symbol(struct maps *mg, u64 addr, struct map **mapp);
-struct symbol *maps__find_symbol_by_name(struct maps *mg, const char *name, struct map **mapp);
+struct symbol *maps__find_symbol(struct maps *maps, u64 addr, struct map **mapp);
+struct symbol *maps__find_symbol_by_name(struct maps *maps, const char *name, struct map **mapp);
 
 struct addr_map_symbol;
 
-int maps__find_ams(struct maps *mg, struct addr_map_symbol *ams);
+int maps__find_ams(struct maps *maps, struct addr_map_symbol *ams);
 
-int maps__fixup_overlappings(struct maps *mg, struct map *map, FILE *fp);
+int maps__fixup_overlappings(struct maps *maps, struct map *map, FILE *fp);
 
-struct map *maps__find_by_name(struct maps *mg, const char *name);
+struct map *maps__find_by_name(struct maps *maps, const char *name);
 
 int maps__merge_in(struct maps *kmaps, struct map *new_map);
 
-void __maps__sort_by_name(struct maps *mg);
+void __maps__sort_by_name(struct maps *maps);
 
 #endif // __PERF_MAP_GROUPS_H

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index c705636..3b379b1 100644 (file)
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -239,9 +239,8 @@ void symbols__fixup_end(struct rb_root_cached *symbols)
                curr->end = roundup(curr->start, 4096) + 4096;
 }
 
-void maps__fixup_end(struct maps *mg)
+void maps__fixup_end(struct maps *maps)
 {
-       struct maps *maps = mg;
        struct map *prev = NULL, *curr;
 
        down_write(&maps->lock);
@@ -1771,68 +1770,67 @@ static int map__strcmp_name(const void *name, const void *b)
        return strcmp(name, map->dso->short_name);
 }
 
-void __maps__sort_by_name(struct maps *mg)
+void __maps__sort_by_name(struct maps *maps)
 {
-       qsort(mg->maps_by_name, mg->nr_maps, sizeof(struct map *), map__strcmp);
+       qsort(maps->maps_by_name, maps->nr_maps, sizeof(struct map *), map__strcmp);
 }
 
-static int map__groups__sort_by_name_from_rbtree(struct maps *mg)
+static int map__groups__sort_by_name_from_rbtree(struct maps *maps)
 {
        struct map *map;
-       struct map **maps_by_name = realloc(mg->maps_by_name, mg->nr_maps * sizeof(map));
+       struct map **maps_by_name = realloc(maps->maps_by_name, maps->nr_maps * sizeof(map));
        int i = 0;
 
        if (maps_by_name == NULL)
                return -1;
 
-       mg->maps_by_name = maps_by_name;
-       mg->nr_maps_allocated = mg->nr_maps;
+       maps->maps_by_name = maps_by_name;
+       maps->nr_maps_allocated = maps->nr_maps;
 
-       maps__for_each_entry(mg, map)
+       maps__for_each_entry(maps, map)
                maps_by_name[i++] = map;
 
-       __maps__sort_by_name(mg);
+       __maps__sort_by_name(maps);
        return 0;
 }
 
-static struct map *__maps__find_by_name(struct maps *mg, const char *name)
+static struct map *__maps__find_by_name(struct maps *maps, const char *name)
 {
        struct map **mapp;
 
-       if (mg->maps_by_name == NULL &&
-           map__groups__sort_by_name_from_rbtree(mg))
+       if (maps->maps_by_name == NULL &&
+           map__groups__sort_by_name_from_rbtree(maps))
                return NULL;
 
-       mapp = bsearch(name, mg->maps_by_name, mg->nr_maps, sizeof(*mapp), map__strcmp_name);
+       mapp = bsearch(name, maps->maps_by_name, maps->nr_maps, sizeof(*mapp), map__strcmp_name);
        if (mapp)
                return *mapp;
        return NULL;
 }
 
-struct map *maps__find_by_name(struct maps *mg, const char *name)
+struct map *maps__find_by_name(struct maps *maps, const char *name)
 {
-       struct maps *maps = mg;
        struct map *map;
 
        down_read(&maps->lock);
 
-       if (mg->last_search_by_name && strcmp(mg->last_search_by_name->dso->short_name, name) == 0) {
-               map = mg->last_search_by_name;
+       if (maps->last_search_by_name && strcmp(maps->last_search_by_name->dso->short_name, name) == 0) {
+               map = maps->last_search_by_name;
                goto out_unlock;
        }
        /*
-        * If we have mg->maps_by_name, then the name isn't in the rbtree,
-        * as mg->maps_by_name mirrors the rbtree when lookups by name are
+        * If we have maps->maps_by_name, then the name isn't in the rbtree,
+        * as maps->maps_by_name mirrors the rbtree when lookups by name are
         * made.
         */
-       map = __maps__find_by_name(mg, name);
-       if (map || mg->maps_by_name != NULL)
+       map = __maps__find_by_name(maps, name);
+       if (map || maps->maps_by_name != NULL)
                goto out_unlock;
 
        /* Fallback to traversing the rbtree... */
        maps__for_each_entry(maps, map)
                if (strcmp(map->dso->short_name, name) == 0) {
-                       mg->last_search_by_name = map;
+                       maps->last_search_by_name = map;
                        goto out_unlock;
                }
 

diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h
index 29c4ea4..93fc43d 100644 (file)
--- a/tools/perf/util/symbol.h
+++ b/tools/perf/util/symbol.h
@@ -186,7 +186,7 @@ void __symbols__insert(struct rb_root_cached *symbols, struct symbol *sym,
 void symbols__insert(struct rb_root_cached *symbols, struct symbol *sym);
 void symbols__fixup_duplicate(struct rb_root_cached *symbols);
 void symbols__fixup_end(struct rb_root_cached *symbols);
-void maps__fixup_end(struct maps *mg);
+void maps__fixup_end(struct maps *maps);
 
 typedef int (*mapfn_t)(u64 start, u64 len, u64 pgoff, void *data);
 int file__read_maps(int fd, bool exe, mapfn_t mapfn, void *data,

diff --git a/tools/perf/util/unwind-libunwind-local.c b/tools/perf/util/unwind-libunwind-local.c
index 515131e..b4649f5 100644 (file)
--- a/tools/perf/util/unwind-libunwind-local.c
+++ b/tools/perf/util/unwind-libunwind-local.c
@@ -616,26 +616,26 @@ static unw_accessors_t accessors = {
        .get_proc_name          = get_proc_name,
 };
 
-static int _unwind__prepare_access(struct maps *mg)
+static int _unwind__prepare_access(struct maps *maps)
 {
-       mg->addr_space = unw_create_addr_space(&accessors, 0);
-       if (!mg->addr_space) {
+       maps->addr_space = unw_create_addr_space(&accessors, 0);
+       if (!maps->addr_space) {
                pr_err("unwind: Can't create unwind address space.\n");
                return -ENOMEM;
        }
 
-       unw_set_caching_policy(mg->addr_space, UNW_CACHE_GLOBAL);
+       unw_set_caching_policy(maps->addr_space, UNW_CACHE_GLOBAL);
        return 0;
 }
 
-static void _unwind__flush_access(struct maps *mg)
+static void _unwind__flush_access(struct maps *maps)
 {
-       unw_flush_cache(mg->addr_space, 0, 0);
+       unw_flush_cache(maps->addr_space, 0, 0);
 }
 
-static void _unwind__finish_access(struct maps *mg)
+static void _unwind__finish_access(struct maps *maps)
 {
-       unw_destroy_addr_space(mg->addr_space);
+       unw_destroy_addr_space(maps->addr_space);
 }
 
 static int get_entries(struct unwind_info *ui, unwind_entry_cb_t cb,

diff --git a/tools/perf/util/unwind-libunwind.c b/tools/perf/util/unwind-libunwind.c
index 4003ae8..e89a547 100644 (file)
--- a/tools/perf/util/unwind-libunwind.c
+++ b/tools/perf/util/unwind-libunwind.c
@@ -12,12 +12,12 @@ struct unwind_libunwind_ops __weak *local_unwind_libunwind_ops;
 struct unwind_libunwind_ops __weak *x86_32_unwind_libunwind_ops;
 struct unwind_libunwind_ops __weak *arm64_unwind_libunwind_ops;
 
-static void unwind__register_ops(struct maps *mg, struct unwind_libunwind_ops *ops)
+static void unwind__register_ops(struct maps *maps, struct unwind_libunwind_ops *ops)
 {
-       mg->unwind_libunwind_ops = ops;
+       maps->unwind_libunwind_ops = ops;
 }
 
-int unwind__prepare_access(struct maps *mg, struct map *map, bool *initialized)
+int unwind__prepare_access(struct maps *maps, struct map *map, bool *initialized)
 {
        const char *arch;
        enum dso_type dso_type;
@@ -27,7 +27,7 @@ int unwind__prepare_access(struct maps *mg, struct map *map, bool *initialized)
        if (!dwarf_callchain_users)
                return 0;
 
-       if (mg->addr_space) {
+       if (maps->addr_space) {
                pr_debug("unwind: thread map already set, dso=%s\n",
                         map->dso->name);
                if (initialized)
@@ -36,14 +36,14 @@ int unwind__prepare_access(struct maps *mg, struct map *map, bool *initialized)
        }
 
        /* env->arch is NULL for live-mode (i.e. perf top) */
-       if (!mg->machine->env || !mg->machine->env->arch)
+       if (!maps->machine->env || !maps->machine->env->arch)
                goto out_register;
 
-       dso_type = dso__type(map->dso, mg->machine);
+       dso_type = dso__type(map->dso, maps->machine);
        if (dso_type == DSO__TYPE_UNKNOWN)
                return 0;
 
-       arch = perf_env__arch(mg->machine->env);
+       arch = perf_env__arch(maps->machine->env);
 
        if (!strcmp(arch, "x86")) {
                if (dso_type != DSO__TYPE_64BIT)
@@ -58,24 +58,24 @@ int unwind__prepare_access(struct maps *mg, struct map *map, bool *initialized)
                return 0;
        }
 out_register:
-       unwind__register_ops(mg, ops);
+       unwind__register_ops(maps, ops);
 
-       err = mg->unwind_libunwind_ops->prepare_access(mg);
+       err = maps->unwind_libunwind_ops->prepare_access(maps);
        if (initialized)
                *initialized = err ? false : true;
        return err;
 }
 
-void unwind__flush_access(struct maps *mg)
+void unwind__flush_access(struct maps *maps)
 {
-       if (mg->unwind_libunwind_ops)
-               mg->unwind_libunwind_ops->flush_access(mg);
+       if (maps->unwind_libunwind_ops)
+               maps->unwind_libunwind_ops->flush_access(maps);
 }
 
-void unwind__finish_access(struct maps *mg)
+void unwind__finish_access(struct maps *maps)
 {
-       if (mg->unwind_libunwind_ops)
-               mg->unwind_libunwind_ops->finish_access(mg);
+       if (maps->unwind_libunwind_ops)
+               maps->unwind_libunwind_ops->finish_access(maps);
 }
 
 int unwind__get_entries(unwind_entry_cb_t cb, void *arg,