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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 | |
3 // found in the LICENSE file. | |
4 | |
5 #include "cc/memory_history.h" | |
6 | |
7 namespace cc { | |
8 | |
9 // static | |
10 scoped_ptr<MemoryHistory> MemoryHistory::Create() { | |
11 return make_scoped_ptr(new MemoryHistory()); | |
12 } | |
13 | |
14 MemoryHistory::MemoryHistory() {} | |
15 | |
16 void MemoryHistory::SaveEntry(const MemoryHistory::Entry& entry) { | |
17 ring_buffer_.SaveToBuffer(entry); | |
18 } | |
19 | |
20 void MemoryHistory::GetMinAndMax(size_t* min, size_t* max) const { | |
21 *min = std::numeric_limits<size_t>::max(); | |
22 *max = 0; | |
23 | |
24 for (RingBufferType::Iterator it = ring_buffer_.Begin(); it; ++it) { | |
25 size_t bytes_total = it->bytes_total(); | |
26 | |
27 if (bytes_total < *min) | |
28 *min = bytes_total; | |
29 if (bytes_total > *max) | |
30 *max = bytes_total; | |
31 } | |
32 | |
33 if (*min > *max) | |
34 *min = *max; | |
35 } | |
36 | |
37 } // namespace cc | |
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