[svn-commits] mjordan: branch mjordan/12-memorypool r402915 - /team/mjordan/12-memorypool/t...
SVN commits to the Digium repositories
svn-commits at lists.digium.com
Wed Nov 20 10:51:20 CST 2013
Author: mjordan
Date: Wed Nov 20 10:51:18 2013
New Revision: 402915
URL: http://svnview.digium.com/svn/asterisk?view=rev&rev=402915
Log:
Add unit tests
Added:
team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c (with props)
Added: team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c
URL: http://svnview.digium.com/svn/asterisk/team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c?view=auto&rev=402915
==============================================================================
--- team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c (added)
+++ team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c Wed Nov 20 10:51:18 2013
@@ -1,0 +1,443 @@
+/*
+ * Asterisk -- An open source telephony toolkit.
+ *
+ * Copyright (C) 2013, Matt Jordan
+ *
+ * Matt Jordan <mjordan at digium.com>
+ *
+ * See http://www.asterisk.org for more information about
+ * the Asterisk project. Please do not directly contact
+ * any of the maintainers of this project for assistance;
+ * the project provides a web site, mailing lists and IRC
+ * channels for your use.
+ *
+ * This program is free software, distributed under the terms of
+ * the GNU General Public License Version 2. See the LICENSE file
+ * at the top of the source tree.
+ */
+
+/*!
+ * \file
+ * \brief Test of astobj2 memory pools
+ *
+ * \author \verbatim Matt Jordan <mjordan at digium.com> \endverbatim
+ *
+ * This is a set of unit tests for AstObj2 memory pools. Memory pools contain
+ * reference counted objects, but those objects are not destroyed when their
+ * reference count reaches 0. Instead, the object is reclaimed by the pool.
+ */
+
+/*** MODULEINFO
+ <depend>TEST_FRAMEWORK</depend>
+ <support_level>core</support_level>
+ ***/
+
+#include "asterisk.h"
+
+ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
+
+#include "asterisk/utils.h"
+#include "asterisk/module.h"
+#include "asterisk/test.h"
+#include "asterisk/time.h"
+#include "asterisk/stringfields.h"
+
+#define TEST_CATEGORY "/main/astobj2/memory_pool/"
+
+struct test_memory_pool_item {
+ unsigned int used;
+ AST_DECLARE_STRING_FIELDS(
+ AST_STRING_FIELD(name);
+ );
+ struct test_memory_pool_item *embedded_ref;
+};
+
+static unsigned int global_init;
+static unsigned int global_cleanup;
+
+static void test_memory_pool_item_cleanup(void *obj)
+{
+ struct test_memory_pool_item *item = obj;
+
+ if (item->embedded_ref) {
+ ao2_ref(item->embedded_ref, -1);
+ item->embedded_ref = NULL;
+ }
+
+ global_cleanup++;
+}
+
+static void test_memory_pool_item_dtor(void *obj)
+{
+ struct test_memory_pool_item *item = obj;
+
+ item->used = 0;
+ ast_string_field_free_memory(item);
+ test_memory_pool_item_cleanup(obj);
+}
+
+static int test_memory_pool_item_init(void *new_obj)
+{
+ struct test_memory_pool_item *item = new_obj;
+
+ item->used = 1;
+
+ global_init++;
+ return ast_string_field_init(item, 128);
+}
+
+static int test_memory_pool_item_bad_init(void *new_obj)
+{
+ return 1;
+}
+
+AST_TEST_DEFINE(test_memory_pool_overflow)
+{
+ RAII_VAR(struct ao2_memory_pool *, pool, NULL, ao2_cleanup);
+ struct test_memory_pool_item *items[8];
+ int i;
+
+ switch (cmd) {
+ case TEST_INIT:
+ info->name = __func__;
+ info->category = TEST_CATEGORY;
+ info->summary = "Test overflowing a memory pool with requests";
+ info->description =
+ "Runs a test that asks for a lot of objects without releasing\n"
+ "them. This should automagically increase the size of the pool.\n";
+ return AST_TEST_NOT_RUN;
+ case TEST_EXECUTE:
+ break;
+ }
+
+ pool = ao2_memory_pool_alloc(1, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ if (!pool) {
+ ast_test_status_update(test, "Failed to create pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ for (i = 0; i < 8; i++) {
+ items[i] = ao2_memory_pool_request(pool);
+ if (!items[i]) {
+ ast_test_status_update(test, "Failed to request item %d for pool\n", i);
+ return AST_TEST_FAIL;
+ }
+ }
+
+ for (i = 0; i < 8; i++) {
+ ao2_ref(items[i], -1);
+ }
+ ast_test_validate(test, ao2_ref(pool, 0) == 1);
+ ao2_ref(pool, -1);
+ pool = NULL;
+
+ return AST_TEST_PASS;
+}
+
+static void *pool_thread_fn(void *obj)
+{
+ int i;
+ struct ao2_memory_pool *pool = obj;
+ struct test_memory_pool_item *item;
+
+ for (i = 0; i < 250000; i++) {
+ ao2_lock(pool);
+ item = ao2_memory_pool_request(pool);
+ ao2_unlock(pool);
+ if (!item) {
+ return NULL;
+ }
+ ao2_ref(item, -1);
+ }
+ return NULL;
+}
+
+static void *ao2_alloc_thread_fn(void *obj)
+{
+ int i;
+ struct test_memory_pool_item *item;
+
+ for (i = 0; i < 250000; i++) {
+ item = ao2_alloc(sizeof(*item), test_memory_pool_item_dtor);
+ if (!item) {
+ return NULL;
+ }
+ test_memory_pool_item_init(item);
+ ao2_ref(item, -1);
+ }
+ return NULL;
+}
+
+AST_TEST_DEFINE(test_memory_pool_thrash)
+{
+ RAII_VAR(struct ao2_memory_pool *, pool, NULL, ao2_cleanup);
+ int i;
+ struct timeval tvstart;
+ struct timeval tvend;
+ pthread_t thread_ids[4];
+
+ switch (cmd) {
+ case TEST_INIT:
+ info->name = __func__;
+ info->category = TEST_CATEGORY;
+ info->summary = "Test thrashing on a memory pool";
+ info->description =
+ "Runs a test that spawns four threads that request items from a\n"
+ "memory pool. The speed of this is compared against four threads\n"
+ "that simply ao2_alloc the objects.\n";
+ return AST_TEST_NOT_RUN;
+ case TEST_EXECUTE:
+ break;
+ }
+
+ pool = ao2_memory_pool_alloc(2, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ if (!pool) {
+ ast_test_status_update(test, "Failed to create pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ gettimeofday(&tvstart, NULL);
+ for (i = 0; i < 4; i++) {
+ ast_pthread_create(&thread_ids[i], NULL, pool_thread_fn, pool);
+ }
+ for (i = 0; i < 4; i++) {
+ pthread_join(thread_ids[i], NULL);
+ thread_ids[i] = -1;
+ }
+ gettimeofday(&tvend, NULL);
+ ast_test_status_update(test, "Execution time of pool: %ld\n", ast_tvdiff_us(tvend, tvstart));
+
+ gettimeofday(&tvstart, NULL);
+ for (i = 0; i < 4; i++) {
+ ast_pthread_create(&thread_ids[i], NULL, ao2_alloc_thread_fn, NULL);
+ }
+ for (i = 0; i < 4; i++) {
+ pthread_join(thread_ids[i], NULL);
+ thread_ids[i] = -1;
+ }
+ gettimeofday(&tvend, NULL);
+ ast_test_status_update(test, "Execution time of ao2 alloc: %ld\n", ast_tvdiff_us(tvend, tvstart));
+
+ return AST_TEST_PASS;
+}
+
+AST_TEST_DEFINE(test_memory_pool_speed)
+{
+ RAII_VAR(struct ao2_memory_pool *, pool, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, pool_item, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, ao2_item, NULL, ao2_cleanup);
+ int i;
+ struct timeval tvstart;
+ struct timeval tvend;
+
+ switch (cmd) {
+ case TEST_INIT:
+ info->name = __func__;
+ info->category = TEST_CATEGORY;
+ info->summary = "Test how fast an individual item can be obtained";
+ info->description =
+ "Runs a test that simply asks for 1 million items from the pool,\n"
+ "and allocates 1 million astobj2 items.";
+ return AST_TEST_NOT_RUN;
+ case TEST_EXECUTE:
+ break;
+ }
+
+ pool = ao2_memory_pool_alloc(2, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ if (!pool) {
+ ast_test_status_update(test, "Failed to create pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ gettimeofday(&tvstart, NULL);
+ for (i = 0; i < 1000000; i++) {
+ pool_item = ao2_memory_pool_request(pool);
+ ao2_ref(pool_item, -1);
+ }
+ gettimeofday(&tvend, NULL);
+ ast_test_status_update(test, "Execution time of pool: %ld\n", ast_tvdiff_us(tvend, tvstart));
+
+ gettimeofday(&tvstart, NULL);
+ for (i = 0; i < 1000000; i++) {
+ ao2_item = ao2_alloc(sizeof(*ao2_item), test_memory_pool_item_dtor);
+ test_memory_pool_item_init(ao2_item);
+ ao2_ref(ao2_item, -1);
+ }
+ gettimeofday(&tvend, NULL);
+ ast_test_status_update(test, "Execution time of ao2 alloc: %ld\n", ast_tvdiff_us(tvend, tvstart));
+
+ ao2_ref(pool, -1);
+ pool = NULL;
+ pool_item = NULL;
+ ao2_item = NULL;
+
+ return AST_TEST_PASS;
+
+}
+
+AST_TEST_DEFINE(test_memory_pool_request)
+{
+ RAII_VAR(struct ao2_memory_pool *, pool, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, item_one, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, item_two, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, item_three, NULL, ao2_cleanup);
+ RAII_VAR(struct test_memory_pool_item *, item_four, NULL, ao2_cleanup);
+
+ switch (cmd) {
+ case TEST_INIT:
+ info->name = __func__;
+ info->category = TEST_CATEGORY;
+ info->summary = "Test requesting elements from a pool";
+ info->description =
+ "Test requesting elements from a pool without exhausing it.";
+ return AST_TEST_NOT_RUN;
+ case TEST_EXECUTE:
+ break;
+ }
+
+ pool = ao2_memory_pool_alloc(2, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ if (!pool) {
+ ast_test_status_update(test, "Failed to create pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ item_one = ao2_memory_pool_request(pool);
+ if (!item_one) {
+ ast_test_status_update(test, "Failed to request item one from pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ item_two = ao2_memory_pool_request(pool);
+ if (!item_two) {
+ ast_test_status_update(test, "Failed to request item two from pool\n");
+ return AST_TEST_FAIL;
+ }
+
+ ao2_ref(item_one, -1);
+ item_three = ao2_memory_pool_request(pool);
+ if (!item_three) {
+ ast_test_status_update(test, "Failed to request item three from pool\n");
+ return AST_TEST_FAIL;
+ }
+ ast_test_validate(test, item_one == item_three);
+
+ ao2_ref(item_two, -1);
+ item_four = ao2_memory_pool_request(pool);
+ if (!item_four) {
+ ast_test_status_update(test, "Failed to request item four from pool\n");
+ return AST_TEST_FAIL;
+ }
+ ast_test_validate(test, item_two == item_four);
+ ast_test_validate(test, ao2_ref(pool, -1) == 3);
+ pool = NULL;
+ ao2_ref(item_one, -1);
+ ao2_ref(item_two, -1);
+ item_one = NULL;
+ item_two = NULL;
+ item_three = NULL;
+ item_four = NULL;
+
+ return AST_TEST_PASS;
+
+}
+
+AST_TEST_DEFINE(test_memory_pool_init_dtor)
+{
+ RAII_VAR(struct ao2_memory_pool *, pool, NULL, ao2_cleanup);
+
+ switch (cmd) {
+ case TEST_INIT:
+ info->name = __func__;
+ info->category = TEST_CATEGORY;
+ info->summary = "Test initialization and destruction of a memory pool";
+ info->description =
+ "Test creating a memory pool and disposing of it. This verifies "
+ "that an empty memory pool is managed correctly.";
+ return AST_TEST_NOT_RUN;
+ case TEST_EXECUTE:
+ break;
+ }
+
+ /* Make a pool with nothing in it */
+ pool = ao2_memory_pool_alloc(4, sizeof(struct test_memory_pool_item), NULL, NULL, NULL);
+ ast_test_validate(test, ao2_ref(pool, 0) == 1);
+ ast_test_validate(test, ao2_ref(pool, -1) == 1);
+
+ pool = ao2_memory_pool_alloc(4, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ ast_test_validate(test, ao2_ref(pool, 0) == 1);
+ ast_test_validate(test, global_init == 4);
+ ast_test_validate(test, ao2_ref(pool, -1) == 1);
+ ast_test_validate(test, global_cleanup == 4);
+
+ pool = ao2_memory_pool_alloc(4, sizeof(struct test_memory_pool_item),
+ test_memory_pool_item_bad_init,
+ test_memory_pool_item_cleanup,
+ test_memory_pool_item_dtor);
+ ast_test_validate(test, pool == NULL);
+
+ return AST_TEST_PASS;
+}
+
+/*!
+ * \internal
+ * \brief Callback function called before each test executes
+ */
+static int test_init_cb(struct ast_test_info *info, struct ast_test *test)
+{
+ global_init = 0;
+ global_cleanup = 0;
+ return 0;
+}
+
+/*!
+ * \internal
+ * \brief Callback function called after each test executes
+ */
+static int test_cleanup_cb(struct ast_test_info *info, struct ast_test *test)
+{
+ global_init = 0;
+ global_cleanup = 0;
+ return 0;
+}
+
+static int unload_module(void)
+{
+ AST_TEST_UNREGISTER(test_memory_pool_init_dtor);
+ AST_TEST_UNREGISTER(test_memory_pool_request);
+ AST_TEST_UNREGISTER(test_memory_pool_overflow);
+ AST_TEST_UNREGISTER(test_memory_pool_speed);
+ AST_TEST_UNREGISTER(test_memory_pool_thrash);
+
+ return 0;
+}
+
+static int load_module(void)
+{
+ AST_TEST_REGISTER(test_memory_pool_init_dtor);
+ AST_TEST_REGISTER(test_memory_pool_request);
+ AST_TEST_REGISTER(test_memory_pool_overflow);
+ AST_TEST_REGISTER(test_memory_pool_speed);
+ AST_TEST_REGISTER(test_memory_pool_thrash);
+
+ ast_test_register_init(TEST_CATEGORY, test_init_cb);
+ ast_test_register_cleanup(TEST_CATEGORY, test_cleanup_cb);
+
+ return AST_MODULE_LOAD_SUCCESS;
+}
+
+AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "AstObj2 Memory Pool Unit Tests");
Propchange: team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c
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Propchange: team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c
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Propchange: team/mjordan/12-memorypool/tests/test_astobj2_memory_pool.c
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