doc/examples/demo-tracef/demo-tracef.c

   1 /*
   2  * Copyright (C) 2009  Pierre-Marc Fournier
   3  * Copyright (C) 2011-2014  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; version 2.1 of
   8  * the License.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU Lesser General Public
  16  * License along with this library; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  18  */
  19
  20 #include <stdlib.h>
  21 #include <stdio.h>
  22 #include <unistd.h>
  23
  24 #include <lttng/tracef.h>
  25
  26 int main(int argc, char **argv)
  27 {
  28         int i;
  29         int delay = 0;
  30         const char *str = "mystring test";
  31         long l = 0x42;
  32
  33         if (argc == 2)
  34                 delay = atoi(argv[1]);
  35
  36         fprintf(stderr, "Demo program starting.\n");
  37
  38         sleep(delay);
  39
  40         fprintf(stderr, "Tracing... ");
  41         for (i = 0; i < 5; i++) {
  42                 tracef("This is a \"%s\" formatted %d event %lx",
  43                         str, i, l);
  44         }
  45         fprintf(stderr, " done.\n");
  46         return 0;
  47 }