/*
* palloc_restore_free_chunk_state -- updates the runtime state of a free chunk.
*
* This function also takes care of coalescing of huge chunks.
*/
static void
palloc_restore_free_chunk_state(struct palloc_heap *heap,
struct memory_block *m)
{
if (m->type == MEMORY_BLOCK_HUGE) {
struct bucket *b = heap_bucket_acquire_by_id(heap,
DEFAULT_ALLOC_CLASS_ID);
heap_free_chunk_reuse(heap, b, m);
heap_bucket_release(heap, b);
}
}
/*
* CTL_RUNNABLE_HANDLER(extend) -- extends the pool by the given size
*/
static int
CTL_RUNNABLE_HANDLER(extend)(void *ctx,
enum ctl_query_source source, void *arg, struct ctl_indexes *indexes)
{
PMEMobjpool *pop = ctx;
ssize_t arg_in = *(ssize_t *)arg;
if (arg_in < (ssize_t)PMEMOBJ_MIN_PART) {
ERR("incorrect size for extend, must be larger than %" PRIu64,
PMEMOBJ_MIN_PART);
return -1;
}
struct palloc_heap *heap = &pop->heap;
struct bucket *defb = heap_bucket_acquire_by_id(heap,
DEFAULT_ALLOC_CLASS_ID);
int ret = heap_extend(heap, defb, (size_t)arg_in) < 0 ? -1 : 0;
heap_bucket_release(heap, defb);
return ret;
}
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);
}
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);
}