tests/register_test/register_test.c

   1 /* Copyright (C) 2010 Nils Carlson
   2  *
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA
  16  */
  17
  18 #include <stdio.h>
  19 #include <unistd.h>
  20 #include <sys/mman.h>
  21 #include <stdarg.h>
  22 #include <sys/types.h>
  23 #include <sys/stat.h>
  24 #include <sys/timerfd.h>
  25 #include <fcntl.h>
  26 #include <signal.h>
  27 #include <pthread.h>
  28
  29 #include <ust/marker.h>
  30 #include "usterr.h"
  31 #include "tracer.h"
  32 #include "tp.h"
  33
  34 DEFINE_TRACE(hello_tptest);
  35
  36
  37 struct hello_trace_struct {
  38         char *message;
  39 };
  40
  41 struct hello_trace_struct hello_struct = {
  42         .message = "ehlo\n",
  43 };
  44
  45 void tptest_probe(void *data, int anint)
  46 {
  47         struct hello_trace_struct *hello;
  48         char message[30];
  49         hello=(struct hello_trace_struct *)data;
  50         //printf("this is the message: %s\n", hello->message);
  51         snprintf(message, 30, "this is the %s\n", hello->message);
  52 }
  53
  54
  55 #define HELLO_LENGTH 100
  56
  57 static void * register_thread_main(void *data)
  58 {
  59         int ret, i, j = 0;
  60
  61         struct hello_trace_struct hello[HELLO_LENGTH];
  62
  63         for (i=0; i<HELLO_LENGTH; i++) {
  64                 hello[i].message = malloc(6*sizeof(char));
  65                 hello[i].message[0] = 'a'+i%25;
  66                 memcpy(&hello[i].message[1], "ello", 5);
  67         }
  68
  69         for (i=0; i<1000; i++) {
  70                 while (!register_trace_hello_tptest(tptest_probe,
  71                                                     &hello[j%HELLO_LENGTH])) {
  72                         usleep(10);
  73                         j++;
  74                 }
  75                 printf("Registered all\n");
  76                 while (!unregister_trace_hello_tptest(tptest_probe,
  77                                                       &hello[j%HELLO_LENGTH])) {
  78                         usleep(10);
  79                         j++;
  80                 }
  81                 printf("Unregistered all\n");
  82         }
  83 }
  84
  85
  86 int main()
  87 {
  88         pthread_t register_thread;
  89         int i;
  90
  91         pthread_create(&register_thread, NULL, register_thread_main, NULL);
  92         for(i=0; i<1000000; i++) {
  93                 trace_hello_tptest(i);
  94         }
  95
  96         return 0;
  97 }