tests/regression/ust/low-throughput/main.c

   1 /*
   2  * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #include <poll.h>
   9 #include <pthread.h>
  10 #include <stdio.h>
  11 #include <stdlib.h>
  12
  13 #define TRACEPOINT_DEFINE
  14 #include "tp.h"
  15
  16 /*
  17  * Thread recording a tracepoint every minute for 20 minutes.
  18  */
  19 static void *th_event_minute(void *data __attribute__((unused)))
  20 {
  21         int i;
  22
  23         /* Loop for 20 minutes */
  24         for (i = 1; i < 21; i++) {
  25                 /* Sleep 60 seconds */
  26                 (void) poll(NULL, 0, 60000);
  27
  28                 /* 20 minutes tracepoint */
  29                 if ((i % 20) == 0) {
  30                         tracepoint(tp, slow, i, "twenty");
  31                 }
  32
  33                 /* 10 minutes tracepoint */
  34                 if ((i % 10) == 0) {
  35                         tracepoint(tp, slow, i, "ten");
  36                 }
  37
  38                 /* 1 minute tracepoint */
  39                 tracepoint(tp, slow, i, "one");
  40         }
  41
  42         return NULL;
  43 }
  44
  45 /*
  46  * main
  47  */
  48 int main(void)
  49 {
  50         int ret;
  51         void *status;
  52         pthread_t thread;
  53
  54         ret = pthread_create(&thread, NULL, th_event_minute, NULL);
  55         if (ret != 0) {
  56                 perror("pthread_create event minute");
  57                 goto error;
  58         }
  59
  60         ret = pthread_join(thread, &status);
  61         if (ret != 0) {
  62                 perror("pthread_join");
  63                 goto error;
  64         }
  65
  66         return 0;
  67
  68 error:
  69         return 1;
  70 }