Esempio n. 1
0
static test_return_t generate_pairs(memcached_st *memc)
{
  (void)memc;
  global_pairs= pairs_generate(GLOBAL_COUNT, 400);
  global_count= GLOBAL_COUNT;

  for (size_t x= 0; x < global_count; x++)
  {
    global_keys[x]= global_pairs[x].key;
    global_keys_length[x]=  global_pairs[x].key_length;
  }

  return 0;
}
Esempio n. 2
0
pairs_st *load_create_data(memcached_st *memc, unsigned int number_of, 
                           unsigned int *actual_loaded)
{
  memcached_st *clone;
  pairs_st *pairs;

  clone= memcached_clone(NULL, memc);
  /* We always used non-blocking IO for load since it is faster */
  memcached_behavior_set(clone, MEMCACHED_BEHAVIOR_NO_BLOCK, 0);

  pairs= pairs_generate(number_of, 400);
  *actual_loaded= execute_set(clone, pairs, number_of);

  memcached_free(clone);

  return pairs;
}
Esempio n. 3
0
void scheduler(memcached_server_st *servers, conclusions_st *conclusion)
{
  unsigned int x;
  unsigned int actual_loaded= 0; /* Fix warning */
  memcached_st *memc;

  struct timeval start_time, end_time;
  pthread_t mainthread;            /* Thread descriptor */
  pthread_attr_t attr;          /* Thread attributes */
  pairs_st *pairs= NULL;

  pthread_attr_init(&attr);
  pthread_attr_setdetachstate(&attr,
                              PTHREAD_CREATE_DETACHED);

  memc= memcached_create(NULL);
  memcached_server_push(memc, servers);

  memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_BINARY_PROTOCOL, opt_binary);
  
  if (opt_flush)
    flush_all(memc);
  if (opt_createial_load)
    pairs= load_create_data(memc, opt_createial_load, &actual_loaded);

  /* We set this after we have loaded */
  {
    if (opt_non_blocking_io)
      memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_NO_BLOCK, 1);
    if (opt_tcp_nodelay)
      memcached_behavior_set(memc, MEMCACHED_BEHAVIOR_TCP_NODELAY, 1);
  }


  pthread_mutex_lock(&counter_mutex);
  thread_counter= 0;

  pthread_mutex_lock(&sleeper_mutex);
  master_wakeup= 1;
  pthread_mutex_unlock(&sleeper_mutex);

  for (x= 0; x < opt_concurrency; x++)
  {
    thread_context_st *context;
    context= (thread_context_st *)malloc(sizeof(thread_context_st));
    memset(context, 0, sizeof(thread_context_st));

    context->memc= memcached_clone(NULL, memc);
    context->test= opt_test;

    context->initial_pairs= pairs;
    context->initial_number= actual_loaded;

    if (opt_test == SET_TEST)
    {
      context->execute_pairs= pairs_generate(opt_execute_number, 400);
      context->execute_number= opt_execute_number;
    }

    /* now you create the thread */
    if (pthread_create(&mainthread, &attr, run_task,
                       (void *)context) != 0)
    {
      fprintf(stderr,"Could not create thread\n");
      exit(1);
    }
    thread_counter++;
  }

  pthread_mutex_unlock(&counter_mutex);
  pthread_attr_destroy(&attr);

  pthread_mutex_lock(&sleeper_mutex);
  master_wakeup= 0;
  pthread_mutex_unlock(&sleeper_mutex);
  pthread_cond_broadcast(&sleep_threshhold);

  gettimeofday(&start_time, NULL);
  /*
    We loop until we know that all children have cleaned up.
  */
  pthread_mutex_lock(&counter_mutex);
  while (thread_counter)
  {
    struct timespec abstime;

    memset(&abstime, 0, sizeof(struct timespec));
    abstime.tv_sec= 1;

    pthread_cond_timedwait(&count_threshhold, &counter_mutex, &abstime);
  }
  pthread_mutex_unlock(&counter_mutex);

  gettimeofday(&end_time, NULL);

  conclusion->load_time= timedif(end_time, start_time);
  conclusion->read_time= timedif(end_time, start_time);
  pairs_free(pairs);
  memcached_free(memc);
}