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1 // Copyright 2012 The Chromium Authors. All rights reserved. | 1 // Copyright 2012 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 "cc/resources/memory_history.h" | 5 #include "cc/resources/memory_history.h" |
6 | 6 |
7 #include <limits> | 7 #include <limits> |
8 | 8 |
9 namespace cc { | 9 namespace cc { |
10 | 10 |
11 // static | 11 // static |
12 scoped_ptr<MemoryHistory> MemoryHistory::Create() { | 12 scoped_ptr<MemoryHistory> MemoryHistory::Create() { |
13 return make_scoped_ptr(new MemoryHistory()); | 13 return make_scoped_ptr(new MemoryHistory()); |
14 } | 14 } |
15 | 15 |
16 MemoryHistory::MemoryHistory() {} | 16 MemoryHistory::MemoryHistory() {} |
17 | 17 |
18 void MemoryHistory::SaveEntry(const MemoryHistory::Entry& entry) { | 18 void MemoryHistory::SaveEntry(const MemoryHistory::Entry& entry) { |
19 ring_buffer_.SaveToBuffer(entry); | 19 ring_buffer_.SaveToBuffer(entry); |
20 } | 20 } |
21 | 21 |
22 void MemoryHistory::GetMinAndMax(size_t* min, size_t* max) const { | 22 void MemoryHistory::GetMinAndMax(size_t* min, size_t* max) const { |
23 *min = std::numeric_limits<size_t>::max(); | 23 *min = std::numeric_limits<size_t>::max(); |
24 *max = 0; | 24 *max = 0; |
25 | 25 |
26 for (RingBufferType::Iterator it = ring_buffer_.Begin(); it; ++it) { | 26 for (RingBufferType::Iterator it = ring_buffer_.Begin(); it; ++it) { |
27 size_t bytes_total = it->bytes_total(); | 27 size_t bytes_total = it->total_bytes_used; |
28 | 28 |
29 if (bytes_total < *min) | 29 if (bytes_total < *min) |
30 *min = bytes_total; | 30 *min = bytes_total; |
31 if (bytes_total > *max) | 31 if (bytes_total > *max) |
32 *max = bytes_total; | 32 *max = bytes_total; |
33 } | 33 } |
34 | 34 |
35 if (*min > *max) | 35 if (*min > *max) |
36 *min = *max; | 36 *min = *max; |
37 } | 37 } |
38 | 38 |
39 } // namespace cc | 39 } // namespace cc |
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