aboutsummaryrefslogtreecommitdiffstats
path: root/tests/test_sched.c
blob: bcd501aa004908adfebf719b2802e5900a8c4b1d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
/*
 * Asterisk -- An open source telephony toolkit.
 *
 * Copyright (C) 2009, Digium, Inc.
 *
 * Russell Bryant <russell@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 ast_sched performance test module
 *
 * \author Russell Bryant <russell@digium.com>
 */

/*** MODULEINFO
	<depend>TEST_FRAMEWORK</depend>
	<support_level>extended</support_level>
 ***/

#include "asterisk.h"

#include <inttypes.h>

ASTERISK_FILE_VERSION(__FILE__, "$Revision$")

#include "asterisk/module.h"
#include "asterisk/utils.h"
#include "asterisk/sched.h"
#include "asterisk/test.h"
#include "asterisk/cli.h"

static int sched_cb(const void *data)
{
	return 0;
}

AST_TEST_DEFINE(sched_test_order)
{
	struct ast_sched_context *con;
	enum ast_test_result_state res = AST_TEST_FAIL;
	int id1, id2, id3, wait;

	switch (cmd) {
	case TEST_INIT:
		info->name = "sched_test_order";
		info->category = "/main/sched/";
		info->summary = "Test ordering of events in the scheduler API";
		info->description =
			"This test ensures that events are properly ordered by the "
			"time they are scheduled to execute in the scheduler API.";
		return AST_TEST_NOT_RUN;
	case TEST_EXECUTE:
		break;
	}

	if (!(con = ast_sched_context_create())) {
		ast_test_status_update(test,
				"Test failed - could not create scheduler context\n");
		return AST_TEST_FAIL;
	}

	/* Add 3 scheduler entries, and then remove them, ensuring that the result
	 * of ast_sched_wait() looks appropriate at each step along the way. */

	if ((wait = ast_sched_wait(con)) != -1) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned -1, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if ((id1 = ast_sched_add(con, 100000, sched_cb, NULL)) == -1) {
		ast_test_status_update(test, "Failed to add scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) > 100000) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned <= 100000, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if ((id2 = ast_sched_add(con, 10000, sched_cb, NULL)) == -1) {
		ast_test_status_update(test, "Failed to add scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) > 10000) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned <= 10000, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if ((id3 = ast_sched_add(con, 1000, sched_cb, NULL)) == -1) {
		ast_test_status_update(test, "Failed to add scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) > 1000) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned <= 1000, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if (ast_sched_del(con, id3) == -1) {
		ast_test_status_update(test, "Failed to remove scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) <= 1000) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned > 1000, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if (ast_sched_del(con, id2) == -1) {
		ast_test_status_update(test, "Failed to remove scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) <= 10000) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned > 10000, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	if (ast_sched_del(con, id1) == -1) {
		ast_test_status_update(test, "Failed to remove scheduler entry\n");
		goto return_cleanup;
	}

	if ((wait = ast_sched_wait(con)) != -1) {
		ast_test_status_update(test,
				"ast_sched_wait() should have returned -1, returned '%d'\n",
				wait);
		goto return_cleanup;
	}

	res = AST_TEST_PASS;

return_cleanup:
	ast_sched_context_destroy(con);

	return res;
}

static char *handle_cli_sched_bench(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
{
	struct ast_sched_context *con;
	struct timeval start;
	unsigned int num, i;
	int *sched_ids = NULL;

	switch (cmd) {
	case CLI_INIT:
		e->command = "sched benchmark";
		e->usage = ""
			"Usage: sched benchmark <num>\n"
			"";
		return NULL;
	case CLI_GENERATE:
		return NULL;
	}

	if (a->argc != e->args + 1) {
		return CLI_SHOWUSAGE;
	}

	if (sscanf(a->argv[e->args], "%u", &num) != 1) {
		return CLI_SHOWUSAGE;
	}

	if (!(con = ast_sched_context_create())) {
		ast_cli(a->fd, "Test failed - could not create scheduler context\n");
		return CLI_FAILURE;
	}

	if (!(sched_ids = ast_malloc(sizeof(*sched_ids) * num))) {
		ast_cli(a->fd, "Test failed - memory allocation failure\n");
		goto return_cleanup;
	}

	ast_cli(a->fd, "Testing ast_sched_add() performance - timing how long it takes "
			"to add %u entries at random time intervals from 0 to 60 seconds\n", num);

	start = ast_tvnow();

	for (i = 0; i < num; i++) {
		int when = abs(ast_random()) % 60000;
		if ((sched_ids[i] = ast_sched_add(con, when, sched_cb, NULL)) == -1) {
			ast_cli(a->fd, "Test failed - sched_add returned -1\n");
			goto return_cleanup;
		}
	}

	ast_cli(a->fd, "Test complete - %" PRIi64 " us\n", ast_tvdiff_us(ast_tvnow(), start));

	ast_cli(a->fd, "Testing ast_sched_del() performance - timing how long it takes "
			"to delete %u entries with random time intervals from 0 to 60 seconds\n", num);

	start = ast_tvnow();

	for (i = 0; i < num; i++) {
		if (ast_sched_del(con, sched_ids[i]) == -1) {
			ast_cli(a->fd, "Test failed - sched_del returned -1\n");
			goto return_cleanup;
		}
	}

	ast_cli(a->fd, "Test complete - %" PRIi64 " us\n", ast_tvdiff_us(ast_tvnow(), start));

return_cleanup:
	ast_sched_context_destroy(con);
	if (sched_ids) {
		ast_free(sched_ids);
	}

	return CLI_SUCCESS;
}

static struct ast_cli_entry cli_sched[] = {
	AST_CLI_DEFINE(handle_cli_sched_bench, "Benchmark ast_sched add/del performance"),
};

static int unload_module(void)
{
	AST_TEST_UNREGISTER(sched_test_order);
	ast_cli_unregister_multiple(cli_sched, ARRAY_LEN(cli_sched));
	return 0;
}

static int load_module(void)
{
	AST_TEST_REGISTER(sched_test_order);
	ast_cli_register_multiple(cli_sched, ARRAY_LEN(cli_sched));
	return AST_MODULE_LOAD_SUCCESS;
}

AST_MODULE_INFO_STANDARD(ASTERISK_GPL_KEY, "ast_sched performance test module");