Ejemplo n.º 1
0
/*
 * heap_boot -- opens the heap region of the pmemobj pool
 *
 * If successful function returns zero. Otherwise an error number is returned.
 */
int
heap_boot(PMEMobjpool *pop)
{
	struct pmalloc_heap *h = Malloc(sizeof (*h));
	int err;
	if (h == NULL) {
		err = ENOMEM;
		goto error_heap_malloc;
	}

	h->max_zone = heap_max_zone(pop->heap_size);
	h->zones_exhausted = 0;
	h->layout = heap_get_layout(pop);
	for (int i = 0; i < MAX_RUN_LOCKS; ++i)
		if ((err = pthread_mutex_init(&h->run_locks[i], NULL)) != 0)
			goto error_run_lock_init;

	pop->heap = h;

	if ((err = heap_buckets_init(pop)) != 0)
		goto error_buckets_init;

	return 0;

error_buckets_init:
	/* there's really no point in destroying the locks */
error_run_lock_init:
	Free(h);
	pop->heap = NULL;
error_heap_malloc:
	return err;
}
Ejemplo n.º 2
0
/*
 * palloc_buckets_init -- initialize buckets
 */
int
palloc_buckets_init(struct palloc_heap *heap)
{
	return heap_buckets_init(heap);
}
Ejemplo n.º 3
0
static void
test_recycler(void)
{
	struct mock_pop *mpop = MMAP_ANON_ALIGNED(MOCK_POOL_SIZE,
		Ut_mmap_align);
	PMEMobjpool *pop = &mpop->p;
	memset(pop, 0, MOCK_POOL_SIZE);
	pop->heap_offset = (uint64_t)((uint64_t)&mpop->heap - (uint64_t)mpop);
	pop->p_ops.persist = obj_heap_persist;
	pop->p_ops.memset_persist = obj_heap_memset_persist;
	pop->p_ops.base = pop;
	pop->set = MALLOC(sizeof(*(pop->set)));
	pop->set->options = 0;
	pop->set->directory_based = 0;

	void *heap_start = (char *)pop + pop->heap_offset;
	uint64_t heap_size = MOCK_POOL_SIZE - sizeof(PMEMobjpool);
	struct palloc_heap *heap = &pop->heap;
	struct pmem_ops *p_ops = &pop->p_ops;

	struct stats *s = stats_new(pop);
	UT_ASSERTne(s, NULL);

	UT_ASSERT(heap_check(heap_start, heap_size) != 0);
	UT_ASSERT(heap_init(heap_start, heap_size,
		&pop->heap_size, p_ops) == 0);
	UT_ASSERT(heap_boot(heap, heap_start, heap_size,
		&pop->heap_size,
		pop, p_ops, s, pop->set) == 0);
	UT_ASSERT(heap_buckets_init(heap) == 0);
	UT_ASSERT(pop->heap.rt != NULL);

	/* trigger heap bucket populate */
	struct memory_block m = MEMORY_BLOCK_NONE;
	m.size_idx = 1;
	struct bucket *b = heap_bucket_acquire_by_id(heap,
		DEFAULT_ALLOC_CLASS_ID);
	UT_ASSERT(heap_get_bestfit_block(heap, b, &m) == 0);
	heap_bucket_release(heap, b);

	int ret;

	struct recycler *r = recycler_new(&pop->heap, 10000 /* never recalc */);
	UT_ASSERTne(r, NULL);

	init_run_with_score(pop->heap.layout, 0, 64);
	init_run_with_score(pop->heap.layout, 1, 128);

	init_run_with_score(pop->heap.layout, 15, 0);

	struct memory_block mrun = {0, 0, 1, 0};
	struct memory_block mrun2 = {1, 0, 1, 0};

	memblock_rebuild_state(&pop->heap, &mrun);
	memblock_rebuild_state(&pop->heap, &mrun2);

	ret = recycler_put(r, &mrun,
		recycler_calc_score(&pop->heap, &mrun, NULL));
	UT_ASSERTeq(ret, 0);
	ret = recycler_put(r, &mrun2,
		recycler_calc_score(&pop->heap, &mrun2, NULL));
	UT_ASSERTeq(ret, 0);

	struct memory_block mrun_ret = MEMORY_BLOCK_NONE;
	mrun_ret.size_idx = 1;
	struct memory_block mrun2_ret = MEMORY_BLOCK_NONE;
	mrun2_ret.size_idx = 1;

	ret = recycler_get(r, &mrun_ret);
	UT_ASSERTeq(ret, 0);
	ret = recycler_get(r, &mrun2_ret);
	UT_ASSERTeq(ret, 0);
	UT_ASSERTeq(mrun2.chunk_id, mrun2_ret.chunk_id);
	UT_ASSERTeq(mrun.chunk_id, mrun_ret.chunk_id);

	init_run_with_score(pop->heap.layout, 7, 256);
	init_run_with_score(pop->heap.layout, 2, 64);
	init_run_with_score(pop->heap.layout, 5, 512);
	init_run_with_score(pop->heap.layout, 10, 128);

	mrun.chunk_id = 7;
	mrun2.chunk_id = 2;
	struct memory_block mrun3 = {5, 0, 1, 0};
	struct memory_block mrun4 = {10, 0, 1, 0};
	memblock_rebuild_state(&pop->heap, &mrun3);
	memblock_rebuild_state(&pop->heap, &mrun4);

	mrun_ret.size_idx = 1;
	mrun2_ret.size_idx = 1;
	struct memory_block mrun3_ret = MEMORY_BLOCK_NONE;
	mrun3_ret.size_idx = 1;
	struct memory_block mrun4_ret = MEMORY_BLOCK_NONE;
	mrun4_ret.size_idx = 1;

	ret = recycler_put(r, &mrun,
		recycler_calc_score(&pop->heap, &mrun, NULL));
	UT_ASSERTeq(ret, 0);
	ret = recycler_put(r, &mrun2,
		recycler_calc_score(&pop->heap, &mrun2, NULL));
	UT_ASSERTeq(ret, 0);
	ret = recycler_put(r, &mrun3,
		recycler_calc_score(&pop->heap, &mrun3, NULL));
	UT_ASSERTeq(ret, 0);
	ret = recycler_put(r, &mrun4,
		recycler_calc_score(&pop->heap, &mrun4, NULL));
	UT_ASSERTeq(ret, 0);

	ret = recycler_get(r, &mrun2_ret);
	UT_ASSERTeq(ret, 0);
	ret = recycler_get(r, &mrun4_ret);
	UT_ASSERTeq(ret, 0);
	ret = recycler_get(r, &mrun_ret);
	UT_ASSERTeq(ret, 0);
	ret = recycler_get(r, &mrun3_ret);
	UT_ASSERTeq(ret, 0);
	UT_ASSERTeq(mrun.chunk_id, mrun_ret.chunk_id);
	UT_ASSERTeq(mrun2.chunk_id, mrun2_ret.chunk_id);
	UT_ASSERTeq(mrun3.chunk_id, mrun3_ret.chunk_id);
	UT_ASSERTeq(mrun4.chunk_id, mrun4_ret.chunk_id);

	init_run_with_max_block(pop->heap.layout, 1);
	struct memory_block mrun5 = {1, 0, 1, 0};
	memblock_rebuild_state(&pop->heap, &mrun5);

	ret = recycler_put(r, &mrun5,
		recycler_calc_score(&pop->heap, &mrun5, NULL));
	UT_ASSERTeq(ret, 0);

	struct memory_block mrun5_ret = MEMORY_BLOCK_NONE;
	mrun5_ret.size_idx = 11;
	ret = recycler_get(r, &mrun5_ret);
	UT_ASSERTeq(ret, ENOMEM);

	mrun5_ret = MEMORY_BLOCK_NONE;
	mrun5_ret.size_idx = 10;
	ret = recycler_get(r, &mrun5_ret);
	UT_ASSERTeq(ret, 0);

	recycler_delete(r);

	stats_delete(pop, s);
	heap_cleanup(heap);
	UT_ASSERT(heap->rt == NULL);

	FREE(pop->set);
	MUNMAP_ANON_ALIGNED(mpop, MOCK_POOL_SIZE);
}
Ejemplo n.º 4
0
static void
test_heap(void)
{
	struct mock_pop *mpop = MMAP_ANON_ALIGNED(MOCK_POOL_SIZE,
		Ut_mmap_align);
	PMEMobjpool *pop = &mpop->p;
	memset(pop, 0, MOCK_POOL_SIZE);
	pop->heap_offset = (uint64_t)((uint64_t)&mpop->heap - (uint64_t)mpop);
	pop->p_ops.persist = obj_heap_persist;
	pop->p_ops.memset_persist = obj_heap_memset_persist;
	pop->p_ops.base = pop;
	pop->set = MALLOC(sizeof(*(pop->set)));
	pop->set->options = 0;
	pop->set->directory_based = 0;

	struct stats *s = stats_new(pop);
	UT_ASSERTne(s, NULL);

	void *heap_start = (char *)pop + pop->heap_offset;
	uint64_t heap_size = MOCK_POOL_SIZE - sizeof(PMEMobjpool);
	struct palloc_heap *heap = &pop->heap;
	struct pmem_ops *p_ops = &pop->p_ops;

	UT_ASSERT(heap_check(heap_start, heap_size) != 0);
	UT_ASSERT(heap_init(heap_start, heap_size,
		&pop->heap_size, p_ops) == 0);
	UT_ASSERT(heap_boot(heap, heap_start, heap_size,
		&pop->heap_size,
		pop, p_ops, s, pop->set) == 0);
	UT_ASSERT(heap_buckets_init(heap) == 0);
	UT_ASSERT(pop->heap.rt != NULL);

	test_alloc_class_bitmap_correctness();

	test_container((struct block_container *)container_new_ravl(heap),
		heap);

	test_container((struct block_container *)container_new_seglists(heap),
		heap);

	struct alloc_class *c_small = heap_get_best_class(heap, 1);
	struct alloc_class *c_big = heap_get_best_class(heap, 2048);

	UT_ASSERT(c_small->unit_size < c_big->unit_size);

	/* new small buckets should be empty */
	UT_ASSERT(c_big->type == CLASS_RUN);

	struct memory_block blocks[MAX_BLOCKS] = {
		{0, 0, 1, 0},
		{0, 0, 1, 0},
		{0, 0, 1, 0}
	};

	struct bucket *b_def = heap_bucket_acquire_by_id(heap,
		DEFAULT_ALLOC_CLASS_ID);

	for (int i = 0; i < MAX_BLOCKS; ++i) {
		heap_get_bestfit_block(heap, b_def, &blocks[i]);
		UT_ASSERT(blocks[i].block_off == 0);
	}
	heap_bucket_release(heap, b_def);

	struct memory_block old_run = {0, 0, 1, 0};
	struct memory_block new_run = {0, 0, 0, 0};
	struct alloc_class *c_run = heap_get_best_class(heap, 1024);
	struct bucket *b_run = heap_bucket_acquire(heap, c_run);

	/*
	 * Allocate blocks from a run until one run is exhausted.
	 */
	UT_ASSERTne(heap_get_bestfit_block(heap, b_run, &old_run), ENOMEM);
	int *nresv = bucket_current_resvp(b_run);

	do {
		new_run.chunk_id = 0;
		new_run.block_off = 0;
		new_run.size_idx = 1;
		UT_ASSERTne(heap_get_bestfit_block(heap, b_run, &new_run),
			ENOMEM);
		UT_ASSERTne(new_run.size_idx, 0);
		*nresv = 0;
	} while (old_run.block_off != new_run.block_off);
	*nresv = 0;

	heap_bucket_release(heap, b_run);

	stats_delete(pop, s);
	UT_ASSERT(heap_check(heap_start, heap_size) == 0);
	heap_cleanup(heap);
	UT_ASSERT(heap->rt == NULL);

	FREE(pop->set);
	MUNMAP_ANON_ALIGNED(mpop, MOCK_POOL_SIZE);
}
Ejemplo n.º 5
0
static void
test_mock_pool_allocs()
{
	addr = MMAP_ANON_ALIGNED(MOCK_POOL_SIZE, Ut_pagesize);
	mock_pop = &addr->p;
	mock_pop->addr = addr;
	mock_pop->size = MOCK_POOL_SIZE;
	mock_pop->rdonly = 0;
	mock_pop->is_pmem = 0;
	mock_pop->heap_offset = offsetof(struct mock_pop, ptr);
	UT_ASSERTeq(mock_pop->heap_offset % Ut_pagesize, 0);
	mock_pop->heap_size = MOCK_POOL_SIZE - mock_pop->heap_offset;
	mock_pop->nlanes = 1;
	mock_pop->lanes_offset = sizeof(PMEMobjpool);
	mock_pop->is_master_replica = 1;

	mock_pop->persist_local = (persist_local_fn)pmem_msync;
	mock_pop->flush_local = (flush_local_fn)pmem_msync;
	mock_pop->drain_local = drain_empty;

	mock_pop->p_ops.persist = obj_persist;
	mock_pop->p_ops.flush = obj_flush;
	mock_pop->p_ops.drain = obj_drain;
	mock_pop->p_ops.memcpy_persist = obj_memcpy;
	mock_pop->p_ops.memset_persist = obj_memset;
	mock_pop->p_ops.base = mock_pop;
	mock_pop->p_ops.pool_size = mock_pop->size;

	mock_pop->redo = redo_log_config_new(addr, &mock_pop->p_ops,
			redo_log_check_offset, mock_pop, REDO_NUM_ENTRIES);

	void *heap_start = (char *)mock_pop + mock_pop->heap_offset;
	uint64_t heap_size = mock_pop->heap_size;

	heap_init(heap_start, heap_size, &mock_pop->p_ops);
	heap_boot(&mock_pop->heap, heap_start, heap_size, mock_pop,
			&mock_pop->p_ops);
	heap_buckets_init(&mock_pop->heap);

	/* initialize runtime lanes structure */
	mock_pop->lanes_desc.runtime_nlanes = (unsigned)mock_pop->nlanes;
	lane_boot(mock_pop);

	UT_ASSERTne(mock_pop->heap.rt, NULL);

	test_malloc_free_loop(MALLOC_FREE_SIZE);

	/*
	 * Allocating till OOM and freeing the objects in a loop for different
	 * buckets covers basically all code paths except error cases.
	 */
	test_oom_allocs(TEST_HUGE_ALLOC_SIZE);
	test_oom_allocs(TEST_TINY_ALLOC_SIZE);
	test_oom_allocs(TEST_HUGE_ALLOC_SIZE);
	test_oom_allocs(TEST_SMALL_ALLOC_SIZE);
	test_oom_allocs(TEST_MEGA_ALLOC_SIZE);

	test_realloc(TEST_SMALL_ALLOC_SIZE, TEST_MEDIUM_ALLOC_SIZE);
	test_realloc(TEST_HUGE_ALLOC_SIZE, TEST_MEGA_ALLOC_SIZE);

	lane_cleanup(mock_pop);
	heap_cleanup(&mock_pop->heap);

	MUNMAP_ANON_ALIGNED(addr, MOCK_POOL_SIZE);
}