+++ /dev/null
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * In memory space allocator test cases.
- * Author: Ramesh Chander, Ramesh.Chander@sandisk.com
- */
-#include <iostream>
-#include <boost/scoped_ptr.hpp>
-#include <gtest/gtest.h>
-
-#include "common/Mutex.h"
-#include "common/Cond.h"
-#include "common/errno.h"
-#include "include/stringify.h"
-#include "include/Context.h"
-#include "os/bluestore/Allocator.h"
-#include "os/bluestore/BitAllocator.h"
-
-
-#if GTEST_HAS_PARAM_TEST
-
-class AllocTest : public ::testing::TestWithParam<const char*> {
-public:
- boost::scoped_ptr<Allocator> alloc;
- AllocTest(): alloc(0) { }
- void init_alloc(int64_t size, uint64_t min_alloc_size) {
- std::cout << "Creating alloc type " << string(GetParam()) << " \n";
- alloc.reset(Allocator::create(g_ceph_context, string(GetParam()), size,
- min_alloc_size));
- }
-
- void init_close() {
- alloc.reset(0);
- }
-};
-
-TEST_P(AllocTest, test_alloc_init)
-{
- int64_t blocks = BmapEntry::size();
- init_alloc(blocks, 1);
- ASSERT_EQ(0U, alloc->get_free());
- alloc->shutdown();
- blocks = BitMapZone::get_total_blocks() * 2 + 16;
- init_alloc(blocks, 1);
- ASSERT_EQ(0U, alloc->get_free());
- alloc->shutdown();
- blocks = BitMapZone::get_total_blocks() * 2;
- init_alloc(blocks, 1);
- ASSERT_EQ(alloc->get_free(), (uint64_t) 0);
-}
-
-TEST_P(AllocTest, test_alloc_min_alloc)
-{
- int64_t block_size = 1024;
- int64_t blocks = BitMapZone::get_total_blocks() * 2 * block_size;
-
- {
- init_alloc(blocks, block_size);
- alloc->init_add_free(block_size, block_size);
- EXPECT_EQ(alloc->reserve(block_size), 0);
- AllocExtentVector extents;
- EXPECT_EQ(block_size, alloc->allocate(block_size, block_size,
- 0, (int64_t) 0, &extents));
- }
-
- /*
- * Allocate extent and make sure all comes in single extent.
- */
- {
- alloc->init_add_free(0, block_size * 4);
- EXPECT_EQ(alloc->reserve(block_size * 4), 0);
- AllocExtentVector extents;
- EXPECT_EQ(4*block_size,
- alloc->allocate(4 * (uint64_t)block_size, (uint64_t) block_size,
- 0, (int64_t) 0, &extents));
- EXPECT_EQ(1u, extents.size());
- EXPECT_EQ(extents[0].length, 4 * block_size);
- }
-
- /*
- * Allocate extent and make sure we get two different extents.
- */
- {
- alloc->init_add_free(0, block_size * 2);
- alloc->init_add_free(3 * block_size, block_size * 2);
- EXPECT_EQ(alloc->reserve(block_size * 4), 0);
- AllocExtentVector extents;
-
- EXPECT_EQ(4*block_size,
- alloc->allocate(4 * (uint64_t)block_size, (uint64_t) block_size,
- 0, (int64_t) 0, &extents));
- EXPECT_EQ(2u, extents.size());
- EXPECT_EQ(extents[0].length, 2 * block_size);
- EXPECT_EQ(extents[1].length, 2 * block_size);
- }
- alloc->shutdown();
-}
-
-TEST_P(AllocTest, test_alloc_min_max_alloc)
-{
- int64_t block_size = 1024;
- int64_t blocks = BitMapZone::get_total_blocks() * 2 * block_size;
-
- init_alloc(blocks, block_size);
-
- /*
- * Make sure we get all extents different when
- * min_alloc_size == max_alloc_size
- */
- {
- alloc->init_add_free(0, block_size * 4);
- EXPECT_EQ(alloc->reserve(block_size * 4), 0);
- AllocExtentVector extents;
- EXPECT_EQ(4*block_size,
- alloc->allocate(4 * (uint64_t)block_size, (uint64_t) block_size,
- block_size, (int64_t) 0, &extents));
- for (auto e : extents) {
- EXPECT_EQ(e.length, block_size);
- }
- EXPECT_EQ(4u, extents.size());
- }
-
-
- /*
- * Make sure we get extents of length max_alloc size
- * when max alloc size > min_alloc size
- */
- {
- alloc->init_add_free(0, block_size * 4);
- EXPECT_EQ(alloc->reserve(block_size * 4), 0);
- AllocExtentVector extents;
- EXPECT_EQ(4*block_size,
- alloc->allocate(4 * (uint64_t)block_size, (uint64_t) block_size,
- 2 * block_size, (int64_t) 0, &extents));
- EXPECT_EQ(2u, extents.size());
- for (auto& e : extents) {
- EXPECT_EQ(e.length, block_size * 2);
- }
- }
-
- /*
- * Make sure allocations are of min_alloc_size when min_alloc_size > block_size.
- */
- {
- alloc->init_add_free(0, block_size * 1024);
- EXPECT_EQ(alloc->reserve(block_size * 1024), 0);
- AllocExtentVector extents;
- EXPECT_EQ(1024 * block_size,
- alloc->allocate(1024 * (uint64_t)block_size,
- (uint64_t) block_size * 4,
- block_size * 4, (int64_t) 0, &extents));
- for (auto& e : extents) {
- EXPECT_EQ(e.length, block_size * 4);
- }
- EXPECT_EQ(1024u/4, extents.size());
- }
-
- /*
- * Allocate and free.
- */
- {
- alloc->init_add_free(0, block_size * 16);
- EXPECT_EQ(alloc->reserve(block_size * 16), 0);
- AllocExtentVector extents;
- EXPECT_EQ(16 * block_size,
- alloc->allocate(16 * (uint64_t)block_size, (uint64_t) block_size,
- 2 * block_size, (int64_t) 0, &extents));
-
- EXPECT_EQ(extents.size(), 8u);
- for (auto& e : extents) {
- EXPECT_EQ(e.length, 2 * block_size);
- }
- }
-}
-
-TEST_P(AllocTest, test_alloc_failure)
-{
- int64_t block_size = 1024;
- int64_t blocks = BitMapZone::get_total_blocks() * block_size;
-
- init_alloc(blocks, block_size);
- {
- alloc->init_add_free(0, block_size * 256);
- alloc->init_add_free(block_size * 512, block_size * 256);
-
- EXPECT_EQ(alloc->reserve(block_size * 512), 0);
- AllocExtentVector extents;
- EXPECT_EQ(512 * block_size,
- alloc->allocate(512 * (uint64_t)block_size,
- (uint64_t) block_size * 256,
- block_size * 256, (int64_t) 0, &extents));
- alloc->init_add_free(0, block_size * 256);
- alloc->init_add_free(block_size * 512, block_size * 256);
- extents.clear();
- EXPECT_EQ(alloc->reserve(block_size * 512), 0);
- EXPECT_EQ(-ENOSPC,
- alloc->allocate(512 * (uint64_t)block_size,
- (uint64_t) block_size * 512,
- block_size * 512, (int64_t) 0, &extents));
- }
-}
-
-TEST_P(AllocTest, test_alloc_big)
-{
- int64_t block_size = 4096;
- int64_t blocks = 104857600;
- int64_t mas = 4096;
- init_alloc(blocks*block_size, block_size);
- alloc->init_add_free(2*block_size, (blocks-2)*block_size);
- for (int64_t big = mas; big < 1048576*128; big*=2) {
- cout << big << std::endl;
- EXPECT_EQ(alloc->reserve(big), 0);
- AllocExtentVector extents;
- EXPECT_EQ(big,
- alloc->allocate(big, mas, 0, &extents));
- }
-}
-
-TEST_P(AllocTest, test_alloc_hint_bmap)
-{
- if (GetParam() == std::string("stupid")) {
- return;
- }
- int64_t blocks = BitMapArea::get_level_factor(g_ceph_context, 2) * 4;
- int64_t allocated = 0;
- int64_t zone_size = 1024;
- g_conf->set_val("bluestore_bitmapallocator_blocks_per_zone",
- std::to_string(zone_size));
-
- init_alloc(blocks, 1);
- alloc->init_add_free(0, blocks);
-
- AllocExtentVector extents;
- alloc->reserve(blocks);
-
- allocated = alloc->allocate(1, 1, 1, zone_size, &extents);
- ASSERT_EQ(1, allocated);
- ASSERT_EQ(1u, extents.size());
- ASSERT_EQ(extents[0].offset, (uint64_t) zone_size);
-
- extents.clear();
- allocated = alloc->allocate(1, 1, 1, zone_size * 2 - 1, &extents);
- EXPECT_EQ(1, allocated);
- ASSERT_EQ(1u, extents.size());
- EXPECT_EQ((int64_t) extents[0].offset, zone_size * 2 - 1);
-
- /*
- * Wrap around with hint
- */
- extents.clear();
- allocated = alloc->allocate(zone_size * 2, 1, 1, blocks - zone_size * 2,
- &extents);
- ASSERT_EQ(zone_size * 2, allocated);
- EXPECT_EQ(zone_size * 2, (int)extents.size());
- EXPECT_EQ((int64_t)extents[0].offset, blocks - zone_size * 2);
-
- extents.clear();
- allocated = alloc->allocate(zone_size, 1, 1, blocks - zone_size, &extents);
- ASSERT_EQ(zone_size, allocated);
- EXPECT_EQ(zone_size, (int)extents.size());
- EXPECT_EQ(extents[0].offset, (uint64_t) 0);
- /*
- * Verify out-of-bound hint
- */
- extents.clear();
- allocated = alloc->allocate(1, 1, 1, blocks, &extents);
- ASSERT_EQ(1, allocated);
- EXPECT_EQ(1, (int)extents.size());
-
- extents.clear();
- allocated = alloc->allocate(1, 1, 1, blocks * 3 + 1 , &extents);
- ASSERT_EQ(1, allocated);
- EXPECT_EQ(1, (int)extents.size());
-}
-
-TEST_P(AllocTest, test_alloc_non_aligned_len)
-{
- int64_t block_size = 1 << 12;
- int64_t blocks = (1 << 20) * 100;
- int64_t want_size = 1 << 22;
- int64_t alloc_unit = 1 << 20;
-
- init_alloc(blocks*block_size, block_size);
- alloc->init_add_free(0, 2097152);
- alloc->init_add_free(2097152, 1064960);
- alloc->init_add_free(3670016, 2097152);
-
- EXPECT_EQ(0, alloc->reserve(want_size));
- AllocExtentVector extents;
- EXPECT_EQ(want_size, alloc->allocate(want_size, alloc_unit, 0, &extents));
-}
-
-
-INSTANTIATE_TEST_CASE_P(
- Allocator,
- AllocTest,
- ::testing::Values("stupid", "bitmap"));
-
-#else
-
-TEST(DummyTest, ValueParameterizedTestsAreNotSupportedOnThisPlatform) {}
-#endif
Code Review / stor4nfv.git / blobdiff