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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium 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 "content/common/discardable_shared_memory_heap.h" | 5 #include "content/common/discardable_shared_memory_heap.h" |
| 6 | 6 |
| 7 #include <stddef.h> | 7 #include <stddef.h> |
| 8 | |
| 9 #include <algorithm> | 8 #include <algorithm> |
| 10 #include <cmath> | 9 #include <cmath> |
| 11 #include <cstdlib> | 10 #include <cstdlib> |
| 11 #include <utility> |
| 12 | 12 |
| 13 #include "base/bind.h" | 13 #include "base/bind.h" |
| 14 #include "base/callback_helpers.h" | 14 #include "base/callback_helpers.h" |
| 15 #include "base/memory/discardable_shared_memory.h" | 15 #include "base/memory/discardable_shared_memory.h" |
| 16 #include "base/memory/scoped_vector.h" | 16 #include "base/memory/scoped_vector.h" |
| 17 #include "base/process/process_metrics.h" | 17 #include "base/process/process_metrics.h" |
| 18 #include "testing/gtest/include/gtest/gtest.h" | 18 #include "testing/gtest/include/gtest/gtest.h" |
| 19 #include "testing/perf/perf_test.h" | 19 #include "testing/perf/perf_test.h" |
| 20 | 20 |
| 21 namespace content { | 21 namespace content { |
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| 33 | 33 |
| 34 const size_t kBlocks = 4096; | 34 const size_t kBlocks = 4096; |
| 35 const size_t kSegments = 16; | 35 const size_t kSegments = 16; |
| 36 size_t segment_size = block_size * kBlocks; | 36 size_t segment_size = block_size * kBlocks; |
| 37 int next_discardable_shared_memory_id = 0; | 37 int next_discardable_shared_memory_id = 0; |
| 38 | 38 |
| 39 for (size_t i = 0; i < kSegments; ++i) { | 39 for (size_t i = 0; i < kSegments; ++i) { |
| 40 scoped_ptr<base::DiscardableSharedMemory> memory( | 40 scoped_ptr<base::DiscardableSharedMemory> memory( |
| 41 new base::DiscardableSharedMemory); | 41 new base::DiscardableSharedMemory); |
| 42 ASSERT_TRUE(memory->CreateAndMap(segment_size)); | 42 ASSERT_TRUE(memory->CreateAndMap(segment_size)); |
| 43 heap.MergeIntoFreeLists(heap.Grow(memory.Pass(), segment_size, | 43 heap.MergeIntoFreeLists(heap.Grow(std::move(memory), segment_size, |
| 44 next_discardable_shared_memory_id++, | 44 next_discardable_shared_memory_id++, |
| 45 base::Bind(NullTask)).Pass()); | 45 base::Bind(NullTask))); |
| 46 } | 46 } |
| 47 | 47 |
| 48 unsigned kSeed = 1; | 48 unsigned kSeed = 1; |
| 49 // Use kSeed as seed for random number generator. | 49 // Use kSeed as seed for random number generator. |
| 50 srand(kSeed); | 50 srand(kSeed); |
| 51 | 51 |
| 52 // Pre-compute random values. | 52 // Pre-compute random values. |
| 53 int random_span[kTimeCheckInterval]; | 53 int random_span[kTimeCheckInterval]; |
| 54 size_t random_blocks[kTimeCheckInterval]; | 54 size_t random_blocks[kTimeCheckInterval]; |
| 55 for (int i = 0; i < kTimeCheckInterval; ++i) { | 55 for (int i = 0; i < kTimeCheckInterval; ++i) { |
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| 92 } | 92 } |
| 93 | 93 |
| 94 spans.clear(); | 94 spans.clear(); |
| 95 | 95 |
| 96 perf_test::PrintResult("search_free_list", "", "", | 96 perf_test::PrintResult("search_free_list", "", "", |
| 97 count / accumulator.InSecondsF(), "runs/s", true); | 97 count / accumulator.InSecondsF(), "runs/s", true); |
| 98 } | 98 } |
| 99 | 99 |
| 100 } // namespace | 100 } // namespace |
| 101 } // namespace content | 101 } // namespace content |
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