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