tests/utils/testapp/gen-ust-nevents/gen-ust-nevents.c

   1 /*
   2  * Copyright (C) 2012 David Goulet <dgoulet@efficios.com>
   3  *
   4  * SPDX-License-Identifier: LGPL-2.1-only
   5  *
   6  */
   7
   8 #define _LGPL_SOURCE
   9 #include <arpa/inet.h>
  10 #include <getopt.h>
  11 #include <stdarg.h>
  12 #include <stdio.h>
  13 #include <stdlib.h>
  14 #include <string.h>
  15 #include <sys/mman.h>
  16 #include <sys/stat.h>
  17 #include <sys/types.h>
  18 #include <unistd.h>
  19 #include "utils.h"
  20 #include "signal-helper.h"
  21
  22 #define TRACEPOINT_DEFINE
  23 #include "tp.h"
  24
  25 static struct option long_options[] =
  26 {
  27         /* These options set a flag. */
  28         {"iter", required_argument, 0, 'i'},
  29         {"wait", required_argument, 0, 'w'},
  30         {0, 0, 0, 0}
  31 };
  32
  33 int main(int argc, char **argv)
  34 {
  35         int i, netint, ret = 0, option_index, option;
  36         long values[] = { 1, 2, 3 };
  37         char text[10] = "test";
  38         double dbl = 2.0;
  39         float flt = 2222.0;
  40         unsigned int nr_iter = 100;
  41         useconds_t nr_usec = 0;
  42
  43         while ((option = getopt_long(argc, argv, "i:w:",
  44                         long_options, &option_index)) != -1) {
  45                 switch (option) {
  46                 case 'i':
  47                         nr_iter = atoi(optarg);
  48                         break;
  49                 case 'w':
  50                         nr_usec = atoi(optarg);
  51                         break;
  52                 case '?':
  53                         /* getopt_long already printed an error message. */
  54                         break;
  55                 default:
  56                         ret = -1;
  57                         goto end;
  58                 }
  59         }
  60
  61         if (set_signal_handler()) {
  62                 ret = -1;
  63                 goto end;
  64         }
  65
  66
  67         for (i = 0; i < nr_iter; i++) {
  68                 netint = htonl(i);
  69                 tracepoint(tp, tptest1, i, netint, values, text, strlen(text),
  70                            dbl, flt);
  71                 tracepoint(tp, tptest2, i, netint, values, text, strlen(text),
  72                                 dbl, flt);
  73                 tracepoint(tp, tptest3, i, netint, values, text, strlen(text),
  74                                 dbl, flt);
  75                 tracepoint(tp, tptest4, i, netint, values, text, strlen(text),
  76                                 dbl, flt);
  77                 tracepoint(tp, tptest5, i, netint, values, text, strlen(text),
  78                                 dbl, flt);
  79                 if (nr_usec) {
  80                         if (usleep_safe(nr_usec)) {
  81                                 ret = -1;
  82                                 goto end;
  83                         }
  84                 }
  85                 if (should_quit) {
  86                         break;
  87                 }
  88         }
  89
  90 end:
  91         exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
  92 }