This patch is part of a series to resolve deadlocks in chan_sip.c. * Updated sched unit test to check new behavior. ASTERISK-25023 Change-Id: Ib69437327b3cda5e14c4238d9ff91b2531b34ef3
360 lines
10 KiB
C
360 lines
10 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2009, Digium, Inc.
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*
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* Russell Bryant <russell@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief ast_sched performance test module
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*
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* \author Russell Bryant <russell@digium.com>
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*/
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/*** MODULEINFO
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<depend>TEST_FRAMEWORK</depend>
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include <inttypes.h>
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ASTERISK_REGISTER_FILE()
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#include "asterisk/module.h"
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#include "asterisk/utils.h"
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#include "asterisk/sched.h"
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#include "asterisk/test.h"
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#include "asterisk/cli.h"
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static int sched_cb(const void *data)
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{
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return 0;
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}
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static int order_check;
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static int order_check_failed;
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static void sched_order_check(struct ast_test *test, int order)
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{
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++order_check;
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if (order_check != order) {
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ast_test_status_update(test, "Unexpected execution order: expected:%d got:%d\n",
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order, order_check);
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order_check_failed = 1;
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}
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}
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static int sched_order_1_cb(const void *data)
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{
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sched_order_check((void *) data, 1);
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return 0;
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}
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static int sched_order_2_cb(const void *data)
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{
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sched_order_check((void *) data, 2);
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return 0;
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}
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static int sched_order_3_cb(const void *data)
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{
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sched_order_check((void *) data, 3);
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return 0;
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}
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static int sched_order_4_cb(const void *data)
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{
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sched_order_check((void *) data, 4);
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return 0;
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}
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static int sched_order_5_cb(const void *data)
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{
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sched_order_check((void *) data, 5);
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return 0;
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}
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static int sched_order_6_cb(const void *data)
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{
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sched_order_check((void *) data, 6);
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return 0;
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}
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static int sched_order_7_cb(const void *data)
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{
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sched_order_check((void *) data, 7);
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return 0;
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}
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static int sched_order_8_cb(const void *data)
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{
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sched_order_check((void *) data, 8);
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return 0;
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}
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AST_TEST_DEFINE(sched_test_order)
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{
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struct ast_sched_context *con;
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enum ast_test_result_state res = AST_TEST_FAIL;
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int id1, id2, id3, wait;
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switch (cmd) {
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case TEST_INIT:
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info->name = "sched_test_order";
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info->category = "/main/sched/";
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info->summary = "Test ordering of events in the scheduler API";
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info->description =
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"This test ensures that events are properly ordered by the "
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"time they are scheduled to execute in the scheduler API.";
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return AST_TEST_NOT_RUN;
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case TEST_EXECUTE:
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break;
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}
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if (!(con = ast_sched_context_create())) {
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ast_test_status_update(test,
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"Test failed - could not create scheduler context\n");
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return AST_TEST_FAIL;
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}
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/* Add 3 scheduler entries, and then remove them, ensuring that the result
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* of ast_sched_wait() looks appropriate at each step along the way. */
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if ((wait = ast_sched_wait(con)) != -1) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned -1, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if ((id1 = ast_sched_add(con, 100000, sched_cb, NULL)) == -1) {
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ast_test_status_update(test, "Failed to add scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) > 100000) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned <= 100000, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if ((id2 = ast_sched_add(con, 10000, sched_cb, NULL)) == -1) {
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ast_test_status_update(test, "Failed to add scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) > 10000) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned <= 10000, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if ((id3 = ast_sched_add(con, 1000, sched_cb, NULL)) == -1) {
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ast_test_status_update(test, "Failed to add scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) > 1000) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned <= 1000, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if (ast_sched_del(con, id3) == -1) {
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ast_test_status_update(test, "Failed to remove scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) <= 1000) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned > 1000, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if (ast_sched_del(con, id2) == -1) {
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ast_test_status_update(test, "Failed to remove scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) <= 10000) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned > 10000, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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if (ast_sched_del(con, id1) == -1) {
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ast_test_status_update(test, "Failed to remove scheduler entry\n");
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goto return_cleanup;
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}
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if ((wait = ast_sched_wait(con)) != -1) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned -1, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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/*
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* Schedule immediate and delayed entries to check the order
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* that they get executed. They must get executed at the
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* time they expire in the order they were added.
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*/
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#define DELAYED_SAME_EXPIRE 300 /* ms */
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_1_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_1_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_2_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_2_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_3_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_3_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_4_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_4_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_5_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_5_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_6_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_6_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_7_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, 0, sched_order_7_cb, test), res, return_cleanup);
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ast_test_validate_cleanup(test, -1 < ast_sched_add(con, DELAYED_SAME_EXPIRE, sched_order_8_cb, test), res, return_cleanup);
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/* Check order of scheduled immediate entries. */
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order_check = 0;
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order_check_failed = 0;
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usleep(50 * 1000);/* Ensure that all the immediate entries are ready to expire */
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ast_test_validate_cleanup(test, 7 == ast_sched_runq(con), res, return_cleanup);
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ast_test_validate_cleanup(test, !order_check_failed, res, return_cleanup);
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/* Check order of scheduled entries expiring at the same time. */
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order_check = 0;
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order_check_failed = 0;
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usleep((DELAYED_SAME_EXPIRE + 50) * 1000);/* Ensure that all the delayed entries are ready to expire */
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ast_test_validate_cleanup(test, 8 == ast_sched_runq(con), res, return_cleanup);
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ast_test_validate_cleanup(test, !order_check_failed, res, return_cleanup);
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if ((wait = ast_sched_wait(con)) != -1) {
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ast_test_status_update(test,
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"ast_sched_wait() should have returned -1, returned '%d'\n",
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wait);
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goto return_cleanup;
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}
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res = AST_TEST_PASS;
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return_cleanup:
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ast_sched_context_destroy(con);
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return res;
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}
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static char *handle_cli_sched_bench(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
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{
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struct ast_sched_context *con;
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struct timeval start;
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unsigned int num, i;
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int *sched_ids = NULL;
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switch (cmd) {
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case CLI_INIT:
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e->command = "sched benchmark";
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e->usage = ""
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"Usage: sched benchmark <num>\n"
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"";
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return NULL;
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case CLI_GENERATE:
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return NULL;
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}
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if (a->argc != e->args + 1) {
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return CLI_SHOWUSAGE;
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}
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if (sscanf(a->argv[e->args], "%u", &num) != 1) {
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return CLI_SHOWUSAGE;
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}
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if (!(con = ast_sched_context_create())) {
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ast_cli(a->fd, "Test failed - could not create scheduler context\n");
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return CLI_FAILURE;
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}
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if (!(sched_ids = ast_malloc(sizeof(*sched_ids) * num))) {
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ast_cli(a->fd, "Test failed - memory allocation failure\n");
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goto return_cleanup;
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}
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ast_cli(a->fd, "Testing ast_sched_add() performance - timing how long it takes "
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"to add %u entries at random time intervals from 0 to 60 seconds\n", num);
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start = ast_tvnow();
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for (i = 0; i < num; i++) {
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long when = labs(ast_random()) % 60000;
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if ((sched_ids[i] = ast_sched_add(con, when, sched_cb, NULL)) == -1) {
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ast_cli(a->fd, "Test failed - sched_add returned -1\n");
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goto return_cleanup;
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}
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}
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ast_cli(a->fd, "Test complete - %" PRIi64 " us\n", ast_tvdiff_us(ast_tvnow(), start));
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ast_cli(a->fd, "Testing ast_sched_del() performance - timing how long it takes "
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"to delete %u entries with random time intervals from 0 to 60 seconds\n", num);
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start = ast_tvnow();
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for (i = 0; i < num; i++) {
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if (ast_sched_del(con, sched_ids[i]) == -1) {
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ast_cli(a->fd, "Test failed - sched_del returned -1\n");
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goto return_cleanup;
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}
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}
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ast_cli(a->fd, "Test complete - %" PRIi64 " us\n", ast_tvdiff_us(ast_tvnow(), start));
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return_cleanup:
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ast_sched_context_destroy(con);
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if (sched_ids) {
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ast_free(sched_ids);
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}
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return CLI_SUCCESS;
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}
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static struct ast_cli_entry cli_sched[] = {
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AST_CLI_DEFINE(handle_cli_sched_bench, "Benchmark ast_sched add/del performance"),
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};
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static int unload_module(void)
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{
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AST_TEST_UNREGISTER(sched_test_order);
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ast_cli_unregister_multiple(cli_sched, ARRAY_LEN(cli_sched));
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return 0;
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}
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static int load_module(void)
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{
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AST_TEST_REGISTER(sched_test_order);
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ast_cli_register_multiple(cli_sched, ARRAY_LEN(cli_sched));
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return AST_MODULE_LOAD_SUCCESS;
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}
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AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "ast_sched performance test module");
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