diff options
Diffstat (limited to 'tools/perf/lib/threadmap.c')
-rw-r--r-- | tools/perf/lib/threadmap.c | 91 |
1 files changed, 0 insertions, 91 deletions
diff --git a/tools/perf/lib/threadmap.c b/tools/perf/lib/threadmap.c deleted file mode 100644 index e92c368b0a6c..000000000000 --- a/tools/perf/lib/threadmap.c +++ /dev/null @@ -1,91 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <perf/threadmap.h> -#include <stdlib.h> -#include <linux/refcount.h> -#include <internal/threadmap.h> -#include <string.h> -#include <asm/bug.h> -#include <stdio.h> - -static void perf_thread_map__reset(struct perf_thread_map *map, int start, int nr) -{ - size_t size = (nr - start) * sizeof(map->map[0]); - - memset(&map->map[start], 0, size); - map->err_thread = -1; -} - -struct perf_thread_map *perf_thread_map__realloc(struct perf_thread_map *map, int nr) -{ - size_t size = sizeof(*map) + sizeof(map->map[0]) * nr; - int start = map ? map->nr : 0; - - map = realloc(map, size); - /* - * We only realloc to add more items, let's reset new items. - */ - if (map) - perf_thread_map__reset(map, start, nr); - - return map; -} - -#define thread_map__alloc(__nr) perf_thread_map__realloc(NULL, __nr) - -void perf_thread_map__set_pid(struct perf_thread_map *map, int thread, pid_t pid) -{ - map->map[thread].pid = pid; -} - -char *perf_thread_map__comm(struct perf_thread_map *map, int thread) -{ - return map->map[thread].comm; -} - -struct perf_thread_map *perf_thread_map__new_dummy(void) -{ - struct perf_thread_map *threads = thread_map__alloc(1); - - if (threads != NULL) { - perf_thread_map__set_pid(threads, 0, -1); - threads->nr = 1; - refcount_set(&threads->refcnt, 1); - } - return threads; -} - -static void perf_thread_map__delete(struct perf_thread_map *threads) -{ - if (threads) { - int i; - - WARN_ONCE(refcount_read(&threads->refcnt) != 0, - "thread map refcnt unbalanced\n"); - for (i = 0; i < threads->nr; i++) - free(perf_thread_map__comm(threads, i)); - free(threads); - } -} - -struct perf_thread_map *perf_thread_map__get(struct perf_thread_map *map) -{ - if (map) - refcount_inc(&map->refcnt); - return map; -} - -void perf_thread_map__put(struct perf_thread_map *map) -{ - if (map && refcount_dec_and_test(&map->refcnt)) - perf_thread_map__delete(map); -} - -int perf_thread_map__nr(struct perf_thread_map *threads) -{ - return threads ? threads->nr : 1; -} - -pid_t perf_thread_map__pid(struct perf_thread_map *map, int thread) -{ - return map->map[thread].pid; -} |