stasis-aries-wal/test/stasis/check_dirtyPageTable.c

/*
 * check_dirtyPageTable.c
 *
 *  Created on: Aug 5, 2009
 *      Author: sears
 */
/*---
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---*/

#include "../check_includes.h"

#include <stasis/transactional.h>
#include <stasis/bufferManager.h>
#include <stasis/bufferManager/pageArray.h>

#include <stasis/dirtyPageTable.h>
#include <stasis/util/random.h>

#include <sys/time.h>
#include <time.h>
#include <assert.h>

#define LOG_NAME   "check_dirtyPageTable.log"

/**
   @test
*/

#define NUM_WORKERS 100
#ifdef LONG_TEST
#define NUM_STEPS 10000000
#define NUM_PAGES 1000
#else
#define NUM_STEPS 100000
#define NUM_PAGES 100
#endif
void * worker(void*arg) {
  stasis_dirty_page_table_t * dpt = (stasis_dirty_page_table_t *)stasis_runtime_dirty_page_table();
  for(int i = 0; i < NUM_STEPS; i++) {
    pageid_t page = stasis_util_random64(NUM_PAGES);
    Page * p = loadPage(-1, page);
    writelock(p->rwlatch, 0);
    if(! (i % 100000)) { printf("."); fflush(stdout); }
    switch(stasis_util_random64(6)) {
    case 0: {
      stasis_dirty_page_table_set_dirty(dpt, p);
    } break;
    case 1: {
      stasis_dirty_page_table_set_clean(dpt, p);
    } break;
    case 2: {
      stasis_dirty_page_table_is_dirty(dpt, p);
    } break;
    case 3: {
      stasis_dirty_page_table_flush(dpt);
    } break;
    case 4: {
      stasis_dirty_page_table_minRecLSN(dpt);
    } break;
    case 5: {
      unlock(p->rwlatch);
      releasePage(p);
      pageid_t start = stasis_util_random64(NUM_PAGES);
      pageid_t stop = stasis_util_random64(NUM_PAGES);
      if(start > stop) {
        page = start;
        start = stop;
        stop = page;
      }
      stasis_dirty_page_table_flush_range(dpt, start, stop);
      p = loadPage(-1, start);
      writelock(p->rwlatch, 0);
    } break;
    default: abort();
    };
    unlock(p->rwlatch);
    releasePage(p);
  }
  return 0;
}
START_TEST(dirtyPageTable_randomTest) {
  stasis_buffer_manager_factory = stasis_buffer_manager_mem_array_factory;
  Tinit();
  worker(0);
  Tdeinit();
} END_TEST
START_TEST(dirtyPageTable_threadTest) {
  stasis_buffer_manager_factory = stasis_buffer_manager_mem_array_factory;
  Tinit();
  pthread_t thread[NUM_WORKERS];
  for(int i = 0; i < NUM_WORKERS; i++) {
    pthread_create(&thread[i], 0, worker, 0);
  }
  for(int i = 0; i < NUM_WORKERS; i++) {
    pthread_join(thread[i], 0);
  }
  Tdeinit();
} END_TEST

Suite * check_suite(void) {
  Suite *s = suite_create("allocationPolicy");
  /* Begin a new test */
  TCase *tc = tcase_create("allocationPolicy");
  tcase_set_timeout(tc, 0); // disable timeouts

  /* Sub tests are added, one per line, here */
  tcase_add_test(tc, dirtyPageTable_randomTest);
  tcase_add_test(tc, dirtyPageTable_threadTest);

  /* --------------------------------------------- */

  tcase_add_checked_fixture(tc, setup, teardown);


  suite_add_tcase(s, tc);
  return s;
}

#include "../check_setup.h"