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 <stdarg.h>
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <string.h>
  14 #include <sys/mman.h>
  15 #include <sys/stat.h>
  16 #include <sys/types.h>
  17 #include <unistd.h>
  18 #include "utils.h"
  19 #include "signal-helper.h"
  20
  21 #define TRACEPOINT_DEFINE
  22 #include "tp.h"
  23
  24 int main(int argc, char **argv)
  25 {
  26         int i, netint, ret = 0;
  27         long values[] = { 1, 2, 3 };
  28         char text[10] = "test";
  29         double dbl = 2.0;
  30         float flt = 2222.0;
  31         unsigned int nr_iter = 100;
  32         useconds_t nr_usec = 0;
  33
  34         if (set_signal_handler()) {
  35                 ret = -1;
  36                 goto end;
  37         }
  38
  39         if (argc >= 2) {
  40                 nr_iter = atoi(argv[1]);
  41         }
  42
  43         if (argc == 3) {
  44                 /* By default, don't wait unless user specifies. */
  45                 nr_usec = atoi(argv[2]);
  46         }
  47
  48         for (i = 0; i < nr_iter; i++) {
  49                 netint = htonl(i);
  50                 tracepoint(tp, tptest1, i, netint, values, text, strlen(text),
  51                            dbl, flt);
  52                 tracepoint(tp, tptest2, i, netint, values, text, strlen(text),
  53                                 dbl, flt);
  54                 tracepoint(tp, tptest3, i, netint, values, text, strlen(text),
  55                                 dbl, flt);
  56                 tracepoint(tp, tptest4, i, netint, values, text, strlen(text),
  57                                 dbl, flt);
  58                 tracepoint(tp, tptest5, i, netint, values, text, strlen(text),
  59                                 dbl, flt);
  60                 if (nr_usec) {
  61                         if (usleep_safe(nr_usec)) {
  62                                 ret = -1;
  63                                 goto end;
  64                         }
  65                 }
  66                 if (should_quit) {
  67                         break;
  68                 }
  69         }
  70
  71 end:
  72         exit(!ret ? EXIT_SUCCESS : EXIT_FAILURE);
  73 }