doc/examples/demo/demo.c

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2009 Pierre-Marc Fournier
   5  * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  */
   7
   8 #include <stdio.h>
   9 #include <unistd.h>
  10 #include <sys/mman.h>
  11 #include <stdarg.h>
  12 #include <sys/types.h>
  13 #include <sys/stat.h>
  14 #include <fcntl.h>
  15 #include <signal.h>
  16 #include <string.h>
  17 #include <arpa/inet.h>
  18 #include <stdlib.h>
  19
  20 #define TRACEPOINT_DEFINE
  21 #define TRACEPOINT_PROBE_DYNAMIC_LINKAGE
  22 #include "ust_tests_demo.h"
  23 #include "ust_tests_demo2.h"
  24 #include "ust_tests_demo3.h"
  25
  26 int main(int argc, char **argv)
  27 {
  28         int i, netint;
  29         long values[] = { 1, 2, 3 };
  30         char text[10] = "test";
  31         double dbl = 2.0;
  32         float flt = 2222.0;
  33         int delay = 0;
  34
  35         if (argc == 2)
  36                 delay = atoi(argv[1]);
  37
  38         fprintf(stderr, "Demo program starting.\n");
  39
  40         sleep(delay);
  41
  42         fprintf(stderr, "Tracing... ");
  43         tracepoint(ust_tests_demo, starting, 123);
  44         for (i = 0; i < 5; i++) {
  45                 netint = htonl(i);
  46                 tracepoint(ust_tests_demo2, loop, i, netint, values,
  47                            text, strlen(text), dbl, flt);
  48         }
  49         tracepoint(ust_tests_demo, done, 456);
  50         tracepoint(ust_tests_demo3, done, 42);
  51         fprintf(stderr, " done.\n");
  52         return 0;
  53 }