tests/tools/streaming/gen-ust-events.c

   1 /*
   2  * Copyright (C) - 2012 David Goulet <dgoulet@efficios.com>
   3  *
   4  * This library is free software; you can redistribute it and/or modify it
   5  * under the terms of the GNU Lesser General Public License as published by the
   6  * Free Software Foundation; version 2.1 of the License.
   7  *
   8  * This library is distributed in the hope that it will be useful, but WITHOUT
   9  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  10  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
  11  * for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public License
  14  * along with this library; if not, write to the Free Software Foundation,
  15  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  16  */
  17
  18 #include <arpa/inet.h>
  19 #include <stdarg.h>
  20 #include <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <sys/mman.h>
  24 #include <sys/stat.h>
  25 #include <sys/types.h>
  26 #include <unistd.h>
  27
  28 #define TRACEPOINT_DEFINE
  29 #include "tp.h"
  30
  31 int main(int argc, char **argv)
  32 {
  33         int i, netint;
  34         long values[] = { 1, 2, 3 };
  35         char text[10] = "test";
  36         double dbl = 2.0;
  37         float flt = 2222.0;
  38         /* Generate 30 events. */
  39         unsigned int nr_iter = 100;
  40         useconds_t nr_usec = 0;
  41
  42         if (argc >= 2) {
  43                 nr_iter = atoi(argv[1]);
  44         }
  45
  46         if (argc == 3) {
  47                 /* By default, don't wait unless user specifies. */
  48                 nr_usec = atoi(argv[2]);
  49         }
  50
  51         for (i = 0; i < nr_iter; i++) {
  52                 netint = htonl(i);
  53                 tracepoint(tp, tptest, i, netint, values, text, strlen(text), dbl,
  54                                 flt);
  55                 usleep(nr_usec);
  56         }
  57
  58         return 0;
  59 }