Merge tag 'nfsd-5.4' of git://linux-nfs.org/~bfields/linux
[linux-2.6-microblaze.git] / tools / perf / util / thread_map.c
index 5b3511f..c9bfe46 100644 (file)
@@ -28,34 +28,11 @@ static int filter(const struct dirent *dir)
                return 1;
 }
 
-static void thread_map__reset(struct 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;
-}
+#define thread_map__alloc(__nr) perf_thread_map__realloc(NULL, __nr)
 
-static struct thread_map *thread_map__realloc(struct thread_map *map, int nr)
+struct perf_thread_map *thread_map__new_by_pid(pid_t pid)
 {
-       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)
-               thread_map__reset(map, start, nr);
-
-       return map;
-}
-
-#define thread_map__alloc(__nr) thread_map__realloc(NULL, __nr)
-
-struct thread_map *thread_map__new_by_pid(pid_t pid)
-{
-       struct thread_map *threads;
+       struct perf_thread_map *threads;
        char name[256];
        int items;
        struct dirent **namelist = NULL;
@@ -69,7 +46,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid)
        threads = thread_map__alloc(items);
        if (threads != NULL) {
                for (i = 0; i < items; i++)
-                       thread_map__set_pid(threads, i, atoi(namelist[i]->d_name));
+                       perf_thread_map__set_pid(threads, i, atoi(namelist[i]->d_name));
                threads->nr = items;
                refcount_set(&threads->refcnt, 1);
        }
@@ -81,12 +58,12 @@ struct thread_map *thread_map__new_by_pid(pid_t pid)
        return threads;
 }
 
-struct thread_map *thread_map__new_by_tid(pid_t tid)
+struct perf_thread_map *thread_map__new_by_tid(pid_t tid)
 {
-       struct thread_map *threads = thread_map__alloc(1);
+       struct perf_thread_map *threads = thread_map__alloc(1);
 
        if (threads != NULL) {
-               thread_map__set_pid(threads, 0, tid);
+               perf_thread_map__set_pid(threads, 0, tid);
                threads->nr = 1;
                refcount_set(&threads->refcnt, 1);
        }
@@ -94,13 +71,13 @@ struct thread_map *thread_map__new_by_tid(pid_t tid)
        return threads;
 }
 
-static struct thread_map *__thread_map__new_all_cpus(uid_t uid)
+static struct perf_thread_map *__thread_map__new_all_cpus(uid_t uid)
 {
        DIR *proc;
        int max_threads = 32, items, i;
        char path[NAME_MAX + 1 + 6];
        struct dirent *dirent, **namelist = NULL;
-       struct thread_map *threads = thread_map__alloc(max_threads);
+       struct perf_thread_map *threads = thread_map__alloc(max_threads);
 
        if (threads == NULL)
                goto out;
@@ -140,9 +117,9 @@ static struct thread_map *__thread_map__new_all_cpus(uid_t uid)
                }
 
                if (grow) {
-                       struct thread_map *tmp;
+                       struct perf_thread_map *tmp;
 
-                       tmp = thread_map__realloc(threads, max_threads);
+                       tmp = perf_thread_map__realloc(threads, max_threads);
                        if (tmp == NULL)
                                goto out_free_namelist;
 
@@ -150,8 +127,8 @@ static struct thread_map *__thread_map__new_all_cpus(uid_t uid)
                }
 
                for (i = 0; i < items; i++) {
-                       thread_map__set_pid(threads, threads->nr + i,
-                                           atoi(namelist[i]->d_name));
+                       perf_thread_map__set_pid(threads, threads->nr + i,
+                                                   atoi(namelist[i]->d_name));
                }
 
                for (i = 0; i < items; i++)
@@ -180,17 +157,17 @@ out_free_closedir:
        goto out_closedir;
 }
 
-struct thread_map *thread_map__new_all_cpus(void)
+struct perf_thread_map *thread_map__new_all_cpus(void)
 {
        return __thread_map__new_all_cpus(UINT_MAX);
 }
 
-struct thread_map *thread_map__new_by_uid(uid_t uid)
+struct perf_thread_map *thread_map__new_by_uid(uid_t uid)
 {
        return __thread_map__new_all_cpus(uid);
 }
 
-struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid)
+struct perf_thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid)
 {
        if (pid != -1)
                return thread_map__new_by_pid(pid);
@@ -201,9 +178,9 @@ struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid)
        return thread_map__new_by_tid(tid);
 }
 
-static struct thread_map *thread_map__new_by_pid_str(const char *pid_str)
+static struct perf_thread_map *thread_map__new_by_pid_str(const char *pid_str)
 {
-       struct thread_map *threads = NULL, *nt;
+       struct perf_thread_map *threads = NULL, *nt;
        char name[256];
        int items, total_tasks = 0;
        struct dirent **namelist = NULL;
@@ -233,14 +210,14 @@ static struct thread_map *thread_map__new_by_pid_str(const char *pid_str)
                        goto out_free_threads;
 
                total_tasks += items;
-               nt = thread_map__realloc(threads, total_tasks);
+               nt = perf_thread_map__realloc(threads, total_tasks);
                if (nt == NULL)
                        goto out_free_namelist;
 
                threads = nt;
 
                for (i = 0; i < items; i++) {
-                       thread_map__set_pid(threads, j++, atoi(namelist[i]->d_name));
+                       perf_thread_map__set_pid(threads, j++, atoi(namelist[i]->d_name));
                        zfree(&namelist[i]);
                }
                threads->nr = total_tasks;
@@ -263,21 +240,9 @@ out_free_threads:
        goto out;
 }
 
-struct thread_map *thread_map__new_dummy(void)
-{
-       struct thread_map *threads = thread_map__alloc(1);
-
-       if (threads != NULL) {
-               thread_map__set_pid(threads, 0, -1);
-               threads->nr = 1;
-               refcount_set(&threads->refcnt, 1);
-       }
-       return threads;
-}
-
-struct thread_map *thread_map__new_by_tid_str(const char *tid_str)
+struct perf_thread_map *thread_map__new_by_tid_str(const char *tid_str)
 {
-       struct thread_map *threads = NULL, *nt;
+       struct perf_thread_map *threads = NULL, *nt;
        int ntasks = 0;
        pid_t tid, prev_tid = INT_MAX;
        char *end_ptr;
@@ -287,7 +252,7 @@ struct thread_map *thread_map__new_by_tid_str(const char *tid_str)
 
        /* perf-stat expects threads to be generated even if tid not given */
        if (!tid_str)
-               return thread_map__new_dummy();
+               return perf_thread_map__new_dummy();
 
        slist = strlist__new(tid_str, &slist_config);
        if (!slist)
@@ -304,13 +269,13 @@ struct thread_map *thread_map__new_by_tid_str(const char *tid_str)
                        continue;
 
                ntasks++;
-               nt = thread_map__realloc(threads, ntasks);
+               nt = perf_thread_map__realloc(threads, ntasks);
 
                if (nt == NULL)
                        goto out_free_threads;
 
                threads = nt;
-               thread_map__set_pid(threads, ntasks - 1, tid);
+               perf_thread_map__set_pid(threads, ntasks - 1, tid);
                threads->nr = ntasks;
        }
 out:
@@ -324,7 +289,7 @@ out_free_threads:
        goto out;
 }
 
-struct thread_map *thread_map__new_str(const char *pid, const char *tid,
+struct perf_thread_map *thread_map__new_str(const char *pid, const char *tid,
                                       uid_t uid, bool all_threads)
 {
        if (pid)
@@ -339,39 +304,13 @@ struct thread_map *thread_map__new_str(const char *pid, const char *tid,
        return thread_map__new_by_tid_str(tid);
 }
 
-static void thread_map__delete(struct 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(thread_map__comm(threads, i));
-               free(threads);
-       }
-}
-
-struct thread_map *thread_map__get(struct thread_map *map)
-{
-       if (map)
-               refcount_inc(&map->refcnt);
-       return map;
-}
-
-void thread_map__put(struct thread_map *map)
-{
-       if (map && refcount_dec_and_test(&map->refcnt))
-               thread_map__delete(map);
-}
-
-size_t thread_map__fprintf(struct thread_map *threads, FILE *fp)
+size_t thread_map__fprintf(struct perf_thread_map *threads, FILE *fp)
 {
        int i;
        size_t printed = fprintf(fp, "%d thread%s: ",
                                 threads->nr, threads->nr > 1 ? "s" : "");
        for (i = 0; i < threads->nr; ++i)
-               printed += fprintf(fp, "%s%d", i ? ", " : "", thread_map__pid(threads, i));
+               printed += fprintf(fp, "%s%d", i ? ", " : "", perf_thread_map__pid(threads, i));
 
        return printed + fprintf(fp, "\n");
 }
@@ -400,9 +339,9 @@ static int get_comm(char **comm, pid_t pid)
        return err;
 }
 
-static void comm_init(struct thread_map *map, int i)
+static void comm_init(struct perf_thread_map *map, int i)
 {
-       pid_t pid = thread_map__pid(map, i);
+       pid_t pid = perf_thread_map__pid(map, i);
        char *comm = NULL;
 
        /* dummy pid comm initialization */
@@ -421,7 +360,7 @@ static void comm_init(struct thread_map *map, int i)
        map->map[i].comm = comm;
 }
 
-void thread_map__read_comms(struct thread_map *threads)
+void thread_map__read_comms(struct perf_thread_map *threads)
 {
        int i;
 
@@ -429,24 +368,24 @@ void thread_map__read_comms(struct thread_map *threads)
                comm_init(threads, i);
 }
 
-static void thread_map__copy_event(struct thread_map *threads,
-                                  struct thread_map_event *event)
+static void thread_map__copy_event(struct perf_thread_map *threads,
+                                  struct perf_record_thread_map *event)
 {
        unsigned i;
 
        threads->nr = (int) event->nr;
 
        for (i = 0; i < event->nr; i++) {
-               thread_map__set_pid(threads, i, (pid_t) event->entries[i].pid);
+               perf_thread_map__set_pid(threads, i, (pid_t) event->entries[i].pid);
                threads->map[i].comm = strndup(event->entries[i].comm, 16);
        }
 
        refcount_set(&threads->refcnt, 1);
 }
 
-struct thread_map *thread_map__new_event(struct thread_map_event *event)
+struct perf_thread_map *thread_map__new_event(struct perf_record_thread_map *event)
 {
-       struct thread_map *threads;
+       struct perf_thread_map *threads;
 
        threads = thread_map__alloc(event->nr);
        if (threads)
@@ -455,7 +394,7 @@ struct thread_map *thread_map__new_event(struct thread_map_event *event)
        return threads;
 }
 
-bool thread_map__has(struct thread_map *threads, pid_t pid)
+bool thread_map__has(struct perf_thread_map *threads, pid_t pid)
 {
        int i;
 
@@ -467,7 +406,7 @@ bool thread_map__has(struct thread_map *threads, pid_t pid)
        return false;
 }
 
-int thread_map__remove(struct thread_map *threads, int idx)
+int thread_map__remove(struct perf_thread_map *threads, int idx)
 {
        int i;