Tests: lttng-ust-getcpu-override-test cache and error-check sysconf()
[lttng-tools.git] / tests / regression / ust / low-throughput / main.c
1 /*
2 * Copyright (C) 2012 - David Goulet <dgoulet@efficios.com>
3 *
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; version 2.1 of
7 * the License.
8 *
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
13 *
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17 */
18
19 #include <poll.h>
20 #include <pthread.h>
21 #include <stdio.h>
22 #include <stdlib.h>
23
24 #define TRACEPOINT_DEFINE
25 #include "tp.h"
26
27 /*
28 * Thread recording a tracepoint every minute for 20 minutes.
29 */
30 static void *th_event_minute(void *data)
31 {
32 int i;
33
34 /* Loop for 20 minutes */
35 for (i = 1; i < 21; i++) {
36 /* Sleep 60 seconds */
37 poll(NULL, 0, 60000);
38
39 /* 20 minutes tracepoint */
40 if ((i % 20) == 0) {
41 tracepoint(tp, slow, i, "twenty");
42 }
43
44 /* 10 minutes tracepoint */
45 if ((i % 10) == 0) {
46 tracepoint(tp, slow, i, "ten");
47 }
48
49 /* 1 minute tracepoint */
50 tracepoint(tp, slow, i, "one");
51 }
52
53 return NULL;
54 }
55
56 /*
57 * main
58 */
59 int main(int argc, char **argv)
60 {
61 int ret;
62 void *status;
63 pthread_t thread;
64
65 ret = pthread_create(&thread, NULL, th_event_minute, NULL);
66 if (ret != 0) {
67 perror("pthread_create event minute");
68 goto error;
69 }
70
71 ret = pthread_join(thread, &status);
72 if (ret != 0) {
73 perror("pthread_join");
74 goto error;
75 }
76
77 return 0;
78
79 error:
80 return 1;
81 }
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