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 <fcntl.h>
  25 #include <signal.h>
  26 #include <pthread.h>
  27
  28 #include <ust/marker.h>
  29 #include "usterr.h"
  30 #include "tracer.h"
  31 #include "tp.h"
  32
  33 DEFINE_TRACE(hello_tptest);
  34
  35
  36 struct hello_trace_struct {
  37         char *message;
  38 };
  39
  40 struct hello_trace_struct hello_struct = {
  41         .message = "ehlo\n",
  42 };
  43
  44 void tptest_probe(void *data, int anint)
  45 {
  46         struct hello_trace_struct *hello;
  47         char message[30];
  48         hello=(struct hello_trace_struct *)data;
  49         //printf("this is the message: %s\n", hello->message);
  50         snprintf(message, 30, "this is the %s\n", hello->message);
  51 }
  52
  53
  54 #define HELLO_LENGTH 100
  55
  56 static void * register_thread_main(void *data)
  57 {
  58         int i, j = 0;
  59
  60         struct hello_trace_struct hello[HELLO_LENGTH];
  61
  62         for (i=0; i<HELLO_LENGTH; i++) {
  63                 hello[i].message = malloc(6*sizeof(char));
  64                 hello[i].message[0] = 'a'+i%25;
  65                 memcpy(&hello[i].message[1], "ello", 5);
  66         }
  67
  68         for (i=0; i<1000; i++) {
  69                 while (!register_trace_hello_tptest(tptest_probe,
  70                                                     &hello[j%HELLO_LENGTH])) {
  71                         usleep(10);
  72                         j++;
  73                 }
  74                 printf("Registered all\n");
  75                 while (!unregister_trace_hello_tptest(tptest_probe,
  76                                                       &hello[j%HELLO_LENGTH])) {
  77                         usleep(10);
  78                         j++;
  79                 }
  80                 printf("Unregistered all\n");
  81         }
  82         return NULL;
  83 }
  84
  85
  86 int main(int argc, char **argv)
  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 }