]>
Commit | Line | Data |
---|---|---|
11fdf7f2 TL |
1 | /* |
2 | * This file is open source software, licensed to you under the terms | |
3 | * of the Apache License, Version 2.0 (the "License"). See the NOTICE file | |
4 | * distributed with this work for additional information regarding copyright | |
5 | * ownership. You may not use this file except in compliance with the License. | |
6 | * | |
7 | * You may obtain a copy of the License at | |
8 | * | |
9 | * http://www.apache.org/licenses/LICENSE-2.0 | |
10 | * | |
11 | * Unless required by applicable law or agreed to in writing, | |
12 | * software distributed under the License is distributed on an | |
13 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | * KIND, either express or implied. See the License for the | |
15 | * specific language governing permissions and limitations | |
16 | * under the License. | |
17 | */ | |
18 | /* | |
19 | * Copyright (C) 2015 Cloudius Systems, Ltd. | |
20 | */ | |
21 | ||
22 | #include <seastar/testing/test_case.hh> | |
23 | #include <seastar/core/memory.hh> | |
24 | #include <seastar/core/reactor.hh> | |
9f95a23c | 25 | #include <seastar/core/temporary_buffer.hh> |
11fdf7f2 TL |
26 | #include <vector> |
27 | ||
28 | using namespace seastar; | |
29 | ||
30 | SEASTAR_TEST_CASE(alloc_almost_all_and_realloc_it_with_a_smaller_size) { | |
31 | #ifndef SEASTAR_DEFAULT_ALLOCATOR | |
32 | auto all = memory::stats().total_memory(); | |
33 | auto reserve = size_t(0.02 * all); | |
34 | auto to_alloc = all - (reserve + (10 << 20)); | |
35 | auto orig_to_alloc = to_alloc; | |
36 | auto obj = malloc(to_alloc); | |
37 | while (!obj) { | |
38 | to_alloc *= 0.9; | |
39 | obj = malloc(to_alloc); | |
40 | } | |
41 | BOOST_REQUIRE(to_alloc > orig_to_alloc / 4); | |
42 | BOOST_REQUIRE(obj != nullptr); | |
43 | auto obj2 = realloc(obj, to_alloc - (1 << 20)); | |
44 | BOOST_REQUIRE(obj == obj2); | |
45 | free(obj2); | |
46 | #endif | |
47 | return make_ready_future<>(); | |
48 | } | |
49 | ||
50 | SEASTAR_TEST_CASE(malloc_0_and_free_it) { | |
51 | #ifndef SEASTAR_DEFAULT_ALLOCATOR | |
52 | auto obj = malloc(0); | |
53 | BOOST_REQUIRE(obj != nullptr); | |
54 | free(obj); | |
55 | #endif | |
56 | return make_ready_future<>(); | |
57 | } | |
58 | ||
59 | SEASTAR_TEST_CASE(test_live_objects_counter_with_cross_cpu_free) { | |
60 | return smp::submit_to(1, [] { | |
61 | auto ret = std::vector<std::unique_ptr<bool>>(1000000); | |
62 | for (auto& o : ret) { | |
63 | o = std::make_unique<bool>(false); | |
64 | } | |
65 | return ret; | |
66 | }).then([] (auto&& vec) { | |
67 | vec.clear(); // cause cross-cpu free | |
68 | BOOST_REQUIRE(memory::stats().live_objects() < std::numeric_limits<size_t>::max() / 2); | |
69 | }); | |
70 | } | |
9f95a23c TL |
71 | |
72 | SEASTAR_TEST_CASE(test_aligned_alloc) { | |
73 | for (size_t align = sizeof(void*); align <= 65536; align <<= 1) { | |
74 | for (size_t size = align; size <= align * 2; size <<= 1) { | |
75 | void *p = aligned_alloc(align, size); | |
76 | BOOST_REQUIRE(p != nullptr); | |
77 | BOOST_REQUIRE((reinterpret_cast<uintptr_t>(p) % align) == 0); | |
78 | ::memset(p, 0, size); | |
79 | free(p); | |
80 | } | |
81 | } | |
82 | return make_ready_future<>(); | |
83 | } | |
84 | ||
85 | SEASTAR_TEST_CASE(test_temporary_buffer_aligned) { | |
86 | for (size_t align = sizeof(void*); align <= 65536; align <<= 1) { | |
87 | for (size_t size = align; size <= align * 2; size <<= 1) { | |
88 | auto buf = temporary_buffer<char>::aligned(align, size); | |
89 | void *p = buf.get_write(); | |
90 | BOOST_REQUIRE(p != nullptr); | |
91 | BOOST_REQUIRE((reinterpret_cast<uintptr_t>(p) % align) == 0); | |
92 | ::memset(p, 0, size); | |
93 | } | |
94 | } | |
95 | return make_ready_future<>(); | |
96 | } |