Merged revisions 82337 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4 ........ r82337 | russell | 2007-09-13 13:45:59 -0500 (Thu, 13 Sep 2007) | 4 lines Only compile in tracking astobj2 statistics if dev-mode is enabled. Also, when dev mode is enabled, register the CLI command that can be used to run the astobj2 test and print out statistics. ........ git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@82338 65c4cc65-6c06-0410-ace0-fbb531ad65f3
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@ -88,6 +88,7 @@ int dnsmgr_reload(void); /*!< Provided by dnsmgr.c */
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void threadstorage_init(void); /*!< Provided by threadstorage.c */
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void ast_event_init(void); /*!< Provided by event.c */
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int ast_device_state_engine_init(void); /*!< Provided by devicestate.c */
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int astobj2_init(void); /*! Provided by astobj2.c */
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/* Many headers need 'ast_channel' to be defined */
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struct ast_channel;
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@ -2869,6 +2869,8 @@ int main(int argc, char *argv[])
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threadstorage_init();
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astobj2_init();
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if (load_modules(1)) { /* Load modules, pre-load only */
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printf(term_quit());
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exit(1);
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@ -57,6 +57,11 @@ struct astobj2 {
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void *user_data[0];
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};
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#ifdef AST_DEVMODE
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#define AO2_DEBUG 1
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#endif
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#ifdef AO2_DEBUG
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struct ao2_stats {
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volatile int total_objects;
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volatile int total_mem;
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@ -66,6 +71,7 @@ struct ao2_stats {
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};
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static struct ao2_stats ao2;
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#endif
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#ifndef HAVE_BKTR /* backtrace support */
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void ao2_bt(void) {}
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@ -126,7 +132,9 @@ int ao2_lock(void *user_data)
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if (p == NULL)
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return -1;
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_locked, 1);
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#endif
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return ast_mutex_lock(&p->priv_data.lock);
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}
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@ -138,7 +146,9 @@ int ao2_unlock(void *user_data)
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if (p == NULL)
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return -1;
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_locked, -1);
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#endif
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return ast_mutex_unlock(&p->priv_data.lock);
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}
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@ -161,9 +171,12 @@ int ao2_ref(void *user_data, const int delta)
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/* we modify with an atomic operation the reference counter */
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ret = ast_atomic_fetchadd_int(&obj->priv_data.ref_counter, delta);
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ast_atomic_fetchadd_int(&ao2.total_refs, delta);
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current_value = ret + delta;
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_refs, delta);
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#endif
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/* this case must never happen */
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if (current_value < 0)
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ast_log(LOG_ERROR, "refcount %d on object %p\n", current_value, user_data);
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@ -173,13 +186,15 @@ int ao2_ref(void *user_data, const int delta)
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obj->priv_data.destructor_fn(user_data);
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ast_mutex_destroy(&obj->priv_data.lock);
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_mem, - obj->priv_data.data_size);
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ast_atomic_fetchadd_int(&ao2.total_objects, -1);
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#endif
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/* for safety, zero-out the astobj2 header and also the
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* first word of the user-data, which we make sure is always
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* allocated. */
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bzero(obj, sizeof(struct astobj2 *) + sizeof(void *) );
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free(obj);
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ast_atomic_fetchadd_int(&ao2.total_objects, -1);
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}
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return ret;
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@ -207,9 +222,12 @@ void *ao2_alloc(size_t data_size, ao2_destructor_fn destructor_fn)
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obj->priv_data.data_size = data_size;
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obj->priv_data.ref_counter = 1;
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obj->priv_data.destructor_fn = destructor_fn; /* can be NULL */
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_objects, 1);
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ast_atomic_fetchadd_int(&ao2.total_mem, data_size);
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ast_atomic_fetchadd_int(&ao2.total_refs, 1);
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#endif
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/* return a pointer to the user data */
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return EXTERNAL_OBJ(obj);
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@ -289,7 +307,10 @@ ao2_container_alloc(const uint n_buckets, ao2_hash_fn *hash_fn,
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c->n_buckets = n_buckets;
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c->hash_fn = hash_fn ? hash_fn : hash_zero;
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c->cmp_fn = cmp_fn;
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_containers, 1);
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#endif
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return c;
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}
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@ -567,7 +588,10 @@ static void container_destruct(void *_c)
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struct ao2_container *c = _c;
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ao2_callback(c, OBJ_UNLINK, cd_cb, NULL);
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#ifdef AO2_DEBUG
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ast_atomic_fetchadd_int(&ao2.total_containers, -1);
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#endif
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}
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static int print_cb(void *obj, void *arg, int flag)
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@ -579,6 +603,7 @@ static int print_cb(void *obj, void *arg, int flag)
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return 0;
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}
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#ifdef AO2_DEBUG
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/*
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* Print stats
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*/
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@ -669,10 +694,13 @@ static struct ast_cli_entry cli_astobj2[] = {
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handle_astobj2_stats, "Print astobj2 statistics", },
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{ { "astobj2", "test", NULL } , handle_astobj2_test, "Test astobj2", },
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};
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#endif /* AO2_DEBUG */
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int astobj2_init(void);
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int astobj2_init(void)
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{
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#ifdef AO2_DEBUG
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ast_cli_register_multiple(cli_astobj2, ARRAY_LEN(cli_astobj2));
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#endif
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return 0;
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}
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