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1 // Copyright 2014 the V8 project authors. All rights reserved. | 1 // Copyright 2014 the V8 project authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "src/compiler/zone-stats.h" | |
6 #include "src/base/utils/random-number-generator.h" | 5 #include "src/base/utils/random-number-generator.h" |
| 6 #include "src/compiler/zone-pool.h" |
7 #include "test/unittests/test-utils.h" | 7 #include "test/unittests/test-utils.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
11 namespace compiler { | 11 namespace compiler { |
12 | 12 |
13 class ZoneStatsTest : public TestWithIsolate { | 13 class ZonePoolTest : public TestWithIsolate { |
14 public: | 14 public: |
15 ZoneStatsTest() : zone_stats_(&allocator_) {} | 15 ZonePoolTest() : zone_pool_(&allocator_) {} |
16 | 16 |
17 protected: | 17 protected: |
18 ZoneStats* zone_stats() { return &zone_stats_; } | 18 ZonePool* zone_pool() { return &zone_pool_; } |
19 | 19 |
20 void ExpectForPool(size_t current, size_t max, size_t total) { | 20 void ExpectForPool(size_t current, size_t max, size_t total) { |
21 ASSERT_EQ(current, zone_stats()->GetCurrentAllocatedBytes()); | 21 ASSERT_EQ(current, zone_pool()->GetCurrentAllocatedBytes()); |
22 ASSERT_EQ(max, zone_stats()->GetMaxAllocatedBytes()); | 22 ASSERT_EQ(max, zone_pool()->GetMaxAllocatedBytes()); |
23 ASSERT_EQ(total, zone_stats()->GetTotalAllocatedBytes()); | 23 ASSERT_EQ(total, zone_pool()->GetTotalAllocatedBytes()); |
24 } | 24 } |
25 | 25 |
26 void Expect(ZoneStats::StatsScope* stats, size_t current, size_t max, | 26 void Expect(ZonePool::StatsScope* stats, size_t current, size_t max, |
27 size_t total) { | 27 size_t total) { |
28 ASSERT_EQ(current, stats->GetCurrentAllocatedBytes()); | 28 ASSERT_EQ(current, stats->GetCurrentAllocatedBytes()); |
29 ASSERT_EQ(max, stats->GetMaxAllocatedBytes()); | 29 ASSERT_EQ(max, stats->GetMaxAllocatedBytes()); |
30 ASSERT_EQ(total, stats->GetTotalAllocatedBytes()); | 30 ASSERT_EQ(total, stats->GetTotalAllocatedBytes()); |
31 } | 31 } |
32 | 32 |
33 size_t Allocate(Zone* zone) { | 33 size_t Allocate(Zone* zone) { |
34 size_t bytes = rng.NextInt(25) + 7; | 34 size_t bytes = rng.NextInt(25) + 7; |
35 size_t size_before = zone->allocation_size(); | 35 size_t size_before = zone->allocation_size(); |
36 zone->New(bytes); | 36 zone->New(bytes); |
37 return zone->allocation_size() - size_before; | 37 return zone->allocation_size() - size_before; |
38 } | 38 } |
39 | 39 |
40 private: | 40 private: |
41 v8::internal::AccountingAllocator allocator_; | 41 v8::internal::AccountingAllocator allocator_; |
42 ZoneStats zone_stats_; | 42 ZonePool zone_pool_; |
43 base::RandomNumberGenerator rng; | 43 base::RandomNumberGenerator rng; |
44 }; | 44 }; |
45 | 45 |
46 TEST_F(ZoneStatsTest, Empty) { | 46 |
| 47 TEST_F(ZonePoolTest, Empty) { |
47 ExpectForPool(0, 0, 0); | 48 ExpectForPool(0, 0, 0); |
48 { | 49 { |
49 ZoneStats::StatsScope stats(zone_stats()); | 50 ZonePool::StatsScope stats(zone_pool()); |
50 Expect(&stats, 0, 0, 0); | 51 Expect(&stats, 0, 0, 0); |
51 } | 52 } |
52 ExpectForPool(0, 0, 0); | 53 ExpectForPool(0, 0, 0); |
53 { | 54 { |
54 ZoneStats::Scope scope(zone_stats()); | 55 ZonePool::Scope scope(zone_pool()); |
55 scope.zone(); | 56 scope.zone(); |
56 } | 57 } |
57 ExpectForPool(0, 0, 0); | 58 ExpectForPool(0, 0, 0); |
58 } | 59 } |
59 | 60 |
60 TEST_F(ZoneStatsTest, MultipleZonesWithDeletion) { | 61 |
| 62 TEST_F(ZonePoolTest, MultipleZonesWithDeletion) { |
61 static const size_t kArraySize = 10; | 63 static const size_t kArraySize = 10; |
62 | 64 |
63 ZoneStats::Scope* scopes[kArraySize]; | 65 ZonePool::Scope* scopes[kArraySize]; |
64 | 66 |
65 // Initialize. | 67 // Initialize. |
66 size_t before_stats = 0; | 68 size_t before_stats = 0; |
67 for (size_t i = 0; i < kArraySize; ++i) { | 69 for (size_t i = 0; i < kArraySize; ++i) { |
68 scopes[i] = new ZoneStats::Scope(zone_stats()); | 70 scopes[i] = new ZonePool::Scope(zone_pool()); |
69 before_stats += Allocate(scopes[i]->zone()); // Add some stuff. | 71 before_stats += Allocate(scopes[i]->zone()); // Add some stuff. |
70 } | 72 } |
71 | 73 |
72 ExpectForPool(before_stats, before_stats, before_stats); | 74 ExpectForPool(before_stats, before_stats, before_stats); |
73 | 75 |
74 ZoneStats::StatsScope stats(zone_stats()); | 76 ZonePool::StatsScope stats(zone_pool()); |
75 | 77 |
76 size_t before_deletion = 0; | 78 size_t before_deletion = 0; |
77 for (size_t i = 0; i < kArraySize; ++i) { | 79 for (size_t i = 0; i < kArraySize; ++i) { |
78 before_deletion += Allocate(scopes[i]->zone()); // Add some stuff. | 80 before_deletion += Allocate(scopes[i]->zone()); // Add some stuff. |
79 } | 81 } |
80 | 82 |
81 Expect(&stats, before_deletion, before_deletion, before_deletion); | 83 Expect(&stats, before_deletion, before_deletion, before_deletion); |
82 ExpectForPool(before_stats + before_deletion, before_stats + before_deletion, | 84 ExpectForPool(before_stats + before_deletion, before_stats + before_deletion, |
83 before_stats + before_deletion); | 85 before_stats + before_deletion); |
84 | 86 |
85 // Delete the scopes and create new ones. | 87 // Delete the scopes and create new ones. |
86 for (size_t i = 0; i < kArraySize; ++i) { | 88 for (size_t i = 0; i < kArraySize; ++i) { |
87 delete scopes[i]; | 89 delete scopes[i]; |
88 scopes[i] = new ZoneStats::Scope(zone_stats()); | 90 scopes[i] = new ZonePool::Scope(zone_pool()); |
89 } | 91 } |
90 | 92 |
91 Expect(&stats, 0, before_deletion, before_deletion); | 93 Expect(&stats, 0, before_deletion, before_deletion); |
92 ExpectForPool(0, before_stats + before_deletion, | 94 ExpectForPool(0, before_stats + before_deletion, |
93 before_stats + before_deletion); | 95 before_stats + before_deletion); |
94 | 96 |
95 size_t after_deletion = 0; | 97 size_t after_deletion = 0; |
96 for (size_t i = 0; i < kArraySize; ++i) { | 98 for (size_t i = 0; i < kArraySize; ++i) { |
97 after_deletion += Allocate(scopes[i]->zone()); // Add some stuff. | 99 after_deletion += Allocate(scopes[i]->zone()); // Add some stuff. |
98 } | 100 } |
99 | 101 |
100 Expect(&stats, after_deletion, std::max(after_deletion, before_deletion), | 102 Expect(&stats, after_deletion, std::max(after_deletion, before_deletion), |
101 before_deletion + after_deletion); | 103 before_deletion + after_deletion); |
102 ExpectForPool(after_deletion, | 104 ExpectForPool(after_deletion, |
103 std::max(after_deletion, before_stats + before_deletion), | 105 std::max(after_deletion, before_stats + before_deletion), |
104 before_stats + before_deletion + after_deletion); | 106 before_stats + before_deletion + after_deletion); |
105 | 107 |
106 // Cleanup. | 108 // Cleanup. |
107 for (size_t i = 0; i < kArraySize; ++i) { | 109 for (size_t i = 0; i < kArraySize; ++i) { |
108 delete scopes[i]; | 110 delete scopes[i]; |
109 } | 111 } |
110 | 112 |
111 Expect(&stats, 0, std::max(after_deletion, before_deletion), | 113 Expect(&stats, 0, std::max(after_deletion, before_deletion), |
112 before_deletion + after_deletion); | 114 before_deletion + after_deletion); |
113 ExpectForPool(0, std::max(after_deletion, before_stats + before_deletion), | 115 ExpectForPool(0, std::max(after_deletion, before_stats + before_deletion), |
114 before_stats + before_deletion + after_deletion); | 116 before_stats + before_deletion + after_deletion); |
115 } | 117 } |
116 | 118 |
117 TEST_F(ZoneStatsTest, SimpleAllocationLoop) { | 119 |
| 120 TEST_F(ZonePoolTest, SimpleAllocationLoop) { |
118 int runs = 20; | 121 int runs = 20; |
119 size_t total_allocated = 0; | 122 size_t total_allocated = 0; |
120 size_t max_loop_allocation = 0; | 123 size_t max_loop_allocation = 0; |
121 ZoneStats::StatsScope outer_stats(zone_stats()); | 124 ZonePool::StatsScope outer_stats(zone_pool()); |
122 { | 125 { |
123 ZoneStats::Scope outer_scope(zone_stats()); | 126 ZonePool::Scope outer_scope(zone_pool()); |
124 size_t outer_allocated = 0; | 127 size_t outer_allocated = 0; |
125 for (int i = 0; i < runs; ++i) { | 128 for (int i = 0; i < runs; ++i) { |
126 { | 129 { |
127 size_t bytes = Allocate(outer_scope.zone()); | 130 size_t bytes = Allocate(outer_scope.zone()); |
128 outer_allocated += bytes; | 131 outer_allocated += bytes; |
129 total_allocated += bytes; | 132 total_allocated += bytes; |
130 } | 133 } |
131 ZoneStats::StatsScope inner_stats(zone_stats()); | 134 ZonePool::StatsScope inner_stats(zone_pool()); |
132 size_t allocated = 0; | 135 size_t allocated = 0; |
133 { | 136 { |
134 ZoneStats::Scope inner_scope(zone_stats()); | 137 ZonePool::Scope inner_scope(zone_pool()); |
135 for (int j = 0; j < 20; ++j) { | 138 for (int j = 0; j < 20; ++j) { |
136 size_t bytes = Allocate(inner_scope.zone()); | 139 size_t bytes = Allocate(inner_scope.zone()); |
137 allocated += bytes; | 140 allocated += bytes; |
138 total_allocated += bytes; | 141 total_allocated += bytes; |
139 max_loop_allocation = | 142 max_loop_allocation = |
140 std::max(max_loop_allocation, outer_allocated + allocated); | 143 std::max(max_loop_allocation, outer_allocated + allocated); |
141 Expect(&inner_stats, allocated, allocated, allocated); | 144 Expect(&inner_stats, allocated, allocated, allocated); |
142 Expect(&outer_stats, outer_allocated + allocated, max_loop_allocation, | 145 Expect(&outer_stats, outer_allocated + allocated, max_loop_allocation, |
143 total_allocated); | 146 total_allocated); |
144 ExpectForPool(outer_allocated + allocated, max_loop_allocation, | 147 ExpectForPool(outer_allocated + allocated, max_loop_allocation, |
145 total_allocated); | 148 total_allocated); |
146 } | 149 } |
147 } | 150 } |
148 Expect(&inner_stats, 0, allocated, allocated); | 151 Expect(&inner_stats, 0, allocated, allocated); |
149 Expect(&outer_stats, outer_allocated, max_loop_allocation, | 152 Expect(&outer_stats, outer_allocated, max_loop_allocation, |
150 total_allocated); | 153 total_allocated); |
151 ExpectForPool(outer_allocated, max_loop_allocation, total_allocated); | 154 ExpectForPool(outer_allocated, max_loop_allocation, total_allocated); |
152 } | 155 } |
153 } | 156 } |
154 Expect(&outer_stats, 0, max_loop_allocation, total_allocated); | 157 Expect(&outer_stats, 0, max_loop_allocation, total_allocated); |
155 ExpectForPool(0, max_loop_allocation, total_allocated); | 158 ExpectForPool(0, max_loop_allocation, total_allocated); |
156 } | 159 } |
157 | 160 |
158 } // namespace compiler | 161 } // namespace compiler |
159 } // namespace internal | 162 } // namespace internal |
160 } // namespace v8 | 163 } // namespace v8 |
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