doc/examples/trigger-on-event/instrumented-app.c

   1 /*
   2  * Copyright (C) 2020 Jérémie Galarneau <jeremie.galarneau@efficios.com>
   3  *
   4  * SPDX-License-Identifier: MIT
   5  *
   6  */
   7
   8 #include "tracepoint-trigger-example.h"
   9
  10 #include <lttng/tracepoint.h>
  11 #include <unistd.h>
  12 #include <sys/time.h>
  13 #include <time.h>
  14 #include <stdio.h>
  15
  16 int main(int argc, char **argv)
  17 {
  18         uint64_t i;
  19
  20         for (i = 0; i < UINT64_MAX; i++) {
  21                 char time_str[64];
  22                 struct timeval tv;
  23                 time_t the_time;
  24
  25                 gettimeofday(&tv, NULL);
  26                 the_time = tv.tv_sec;
  27
  28                 strftime(time_str, sizeof(time_str), "[%m-%d-%Y] %T",
  29                                 localtime(&the_time));
  30                 printf("%s.%ld - Tracing event \"trigger_example:my_event\"\n", time_str, tv.tv_usec);
  31
  32                 tracepoint(trigger_example, my_event, i);
  33                 sleep(2);
  34         }
  35         return 0;
  36 }