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oceanbase/deps/oblib/unittest/lib/alloc/test_object_mgr.cpp

268 lines
6.8 KiB
C++

/**
* Copyright (c) 2021 OceanBase
* OceanBase CE is licensed under Mulan PubL v2.
* You can use this software according to the terms and conditions of the Mulan PubL v2.
* You may obtain a copy of Mulan PubL v2 at:
* http://license.coscl.org.cn/MulanPubL-2.0
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PubL v2 for more details.
*/
#define private public
#undef private
#include "lib/allocator/ob_malloc.h"
#include "lib/coro/testing.h"
#include <gtest/gtest.h>
using namespace oceanbase::lib;
using namespace oceanbase::common;
using namespace std;
int main(int argc, char *argv[])
{
::testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
class TestObjectMgr
: public ::testing::Test
{
public:
void *Malloc(uint64_t size)
{
// void *p = NULL;
// AObject *obj = os_.alloc_object(size);
// if (obj != NULL) {
// p = obj->data_;
// }
// return p;
return oceanbase::common::ob_malloc(size, ObNewModIds::TEST);
}
void Free(void *ptr)
{
// AObject *obj = reinterpret_cast<AObject*>(
// (char*)ptr - AOBJECT_HEADER_SIZE);
// os_.free_object(obj);
return oceanbase::common::ob_free(ptr);
}
// protected:
// ObjectMgr<1> om_;
};
TEST_F(TestObjectMgr, Basic2)
{
cotesting::FlexPool([] {
void *p[128] = {};
int64_t cnt = 1L << 18;
uint64_t sz = 1L << 4;
while (cnt--) {
int i = 0;
for (int j = 0; j < 16; ++j) {
p[i++] = ob_malloc(sz, ObNewModIds::TEST);
}
while (i--) {
ob_free(p[i]);
}
// sz = ((sz | reinterpret_cast<size_t>(p[0])) & ((1<<13) - 1));
}
cout << "done" << endl;
}, 4).start();
}
TEST_F(TestObjectMgr, TestName)
{
void *p[128];
Malloc(327800);
Malloc(65536);
Malloc(49408);
Malloc(12376);
Malloc(65344);
p[1] = Malloc(2097152);
Free(p[1]);
Malloc(49248);
Malloc(3424);
Malloc(8);
Malloc(3072);
Malloc(176);
p[11] = Malloc(96);
p[10] = Malloc(65536);
p[7] = Malloc(65568);
p[6] = Malloc(96);
p[5] = Malloc(65536);
Malloc(2096160);
Malloc(16);
Malloc(65536);
p[9] = Malloc(96);
p[8] = Malloc(65536);
p[4] = Malloc(65568);
p[3] = Malloc(96);
p[2] = Malloc(65536);
Malloc(16);
Free(p[2]);
Free(p[3]);
Free(p[4]);
Free(p[5]);
Free(p[6]);
Free(p[7]);
Free(p[8]);
Free(p[9]);
Free(p[10]);
Free(p[11]);
Malloc(12384);
Malloc(12384);
Malloc(12384);
Malloc(96);
Malloc(65536);
p[13] = Malloc(96);
p[12] = Malloc(65536);
Free(p[12]);
Free(p[13]);
p[15] = Malloc(96);
p[14] = Malloc(65536);
Free(p[14]);
Free(p[15]);
p[17] = Malloc(96);
p[16] = Malloc(65536);
Malloc(65536);
Free(p[16]);
Free(p[17]);
p[19] = Malloc(96);
p[18] = Malloc(65536);
Free(p[18]);
Free(p[19]);
Malloc(96);
}
struct Record
{
int32_t size_;
int64_t addr_;
};
AChunk *chunk(void *ptr)
{
auto *obj = (AObject*)((char*)ptr - AOBJECT_HEADER_SIZE);
auto *chunk = obj->block()->chunk();
return chunk;
}
TEST_F(TestObjectMgr, TestFragmentWash)
{
ObTenantResourceMgrHandle resource_handle;
ObResourceMgr::get_instance().get_tenant_resource_mgr(
OB_SERVER_TENANT_ID, resource_handle);
auto ta = ObMallocAllocator::get_instance()->get_tenant_ctx_allocator(
OB_SERVER_TENANT_ID, ObCtxIds::DEFAULT_CTX_ID);
ta->sync_wash(INT64_MAX);
int washed_size = ta->sync_wash(INT64_MAX);
ASSERT_EQ(washed_size, 0);
vector<pair<AChunk*, vector<void*> > > chunk_ptrs;
int chunk_cnt = 1000;
int alloc_size = ABLOCK_SIZE - 256;
do {
void *ptr = ob_malloc(alloc_size, "mod");
abort_unless(ptr != nullptr);
AChunk *cur_chunk = chunk(ptr);
vector<void*> ptrs{ptr};
do {
void *ptr = ob_malloc(alloc_size, "mod");
abort_unless(ptr != nullptr);
if (chunk(ptr) != cur_chunk) {
ob_free(ptr);
break;
}
ptrs.push_back(ptr);
} while (true);
chunk_ptrs.push_back(make_pair(cur_chunk, ptrs));
} while (chunk_cnt--);
washed_size = ta->sync_wash(INT64_MAX);
ASSERT_EQ(washed_size, 0);
int64_t chunk_mgr_hold_before = AChunkMgr::instance().get_hold();
int64_t resource_mgr_hold_before = resource_handle.get_memory_mgr()->get_sum_hold();
int free_size = 0;
for (int i =0; i< chunk_ptrs.size(); i++) {
// keep first ptr
for (int j =1; j< chunk_ptrs[i].second.size(); j++) {
ob_free(chunk_ptrs[i].second[j]);
free_size += alloc_size;
}
}
int64_t rss_size_orig = 0;
int64_t rss_size = 0;
get_virtual_memory_used(&rss_size_orig);
washed_size = ta->sync_wash(INT64_MAX);
get_virtual_memory_used(&rss_size);
ASSERT_GT(washed_size, free_size);
ASSERT_TRUE(rss_size < rss_size_orig &&
std::abs(std::abs(rss_size - rss_size_orig) - washed_size) * 1.0 / washed_size < 0.1);
int64_t chunk_mgr_hold = AChunkMgr::instance().get_hold();
int64_t resource_mgr_hold = resource_handle.get_memory_mgr()->get_sum_hold();
ASSERT_EQ(resource_mgr_hold_before - washed_size, resource_mgr_hold);
ASSERT_EQ(chunk_mgr_hold_before - washed_size, chunk_mgr_hold);
for (int i =0; i< chunk_ptrs.size(); i++) {
ob_free(chunk_ptrs[i].second[0]);
}
}
TEST_F(TestObjectMgr, TestSubObjectMgr)
{
AChunkMgr::instance().set_max_chunk_cache_size(0);
oceanbase::lib::set_memory_limit(20LL<<30);
int fd = open("alloc_flow_records", O_RDONLY, S_IRWXU | S_IRGRP);
abort_unless(fd > 0);
struct stat fileInfo;
bzero(&fileInfo, sizeof(fileInfo));
int rc = fstat(fd, &fileInfo);
abort_unless(rc != -1);
int64_t total_size = fileInfo.st_size;
void *ptr = ::mmap(0, total_size, PROT_READ, MAP_SHARED, fd, 0);
abort_unless(ptr != MAP_FAILED);
int64_t tenant_id = OB_SERVER_TENANT_ID;
int64_t ctx_id = ObCtxIds::DEFAULT_CTX_ID;
auto ta = ObMallocAllocator::get_instance()->get_tenant_ctx_allocator(
tenant_id, ctx_id);
ObjectMgr som(*ta.ref_allocator(), false, INTACT_NORMAL_AOBJECT_SIZE, 1, false, NULL);
ObMemAttr attr;
ObTenantResourceMgrHandle resource_handle;
ObResourceMgr::get_instance().get_tenant_resource_mgr(
tenant_id, resource_handle);
map<int64_t, AObject*> allocs;
int i = total_size/sizeof(Record);
auto *rec = (Record*)ptr;
while (i--) {
int32_t size = rec->size_;
int64_t addr = rec->addr_;
if (size != 0) {
auto *object = som.alloc_object(size, attr);
abort_unless(object != nullptr);
allocs.insert(pair<int64_t, AObject*>(addr, object));
memset(object->data_, 0xAA, size);
} else {
auto it = allocs.find(addr);
abort_unless(it != allocs.end());
AObject *obj = it->second;
ABlock *block = obj->block();
abort_unless(block->is_valid());
ObjectSet *set = (ObjectSet *)block->obj_set_;
set->free_object(obj);
allocs.erase(it->first);
}
rec++;
}
}