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Side by Side Diff: Source/core/timing/MemoryInfo.cpp

Issue 26848007: Move Navigation Timing and other various window-level objects out of page/ (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 7 years, 2 months ago
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1 /* 1 /*
2 * Copyright (C) 2010 Google Inc. All rights reserved. 2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * 3 *
4 * Redistribution and use in source and binary forms, with or without 4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are 5 * modification, are permitted provided that the following conditions are
6 * met: 6 * met:
7 * 7 *
8 * * Redistributions of source code must retain the above copyright 8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer. 9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above 10 * * Redistributions in binary form must reproduce the above
(...skipping 11 matching lines...) Expand all
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */ 29 */
30 30
31 #include "config.h" 31 #include "config.h"
32 #include "core/page/MemoryInfo.h" 32 #include "core/timing/MemoryInfo.h"
33 33
34 #include <limits> 34 #include <limits>
35 #include "bindings/v8/ScriptGCEvent.h" 35 #include "bindings/v8/ScriptGCEvent.h"
36 #include "core/page/Frame.h" 36 #include "core/page/Frame.h"
37 #include "core/page/Settings.h" 37 #include "core/page/Settings.h"
38 #include "wtf/CurrentTime.h" 38 #include "wtf/CurrentTime.h"
39 #include "wtf/MainThread.h" 39 #include "wtf/MainThread.h"
40 #include "wtf/MathExtras.h" 40 #include "wtf/MathExtras.h"
41 41
42 namespace WebCore { 42 namespace WebCore {
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103 103
104 size_t nextPowerOfTen = static_cast<size_t>(pow(10, floor(log10(sizeOfNe xtBucket)) + 1) + 0.5); 104 size_t nextPowerOfTen = static_cast<size_t>(pow(10, floor(log10(sizeOfNe xtBucket)) + 1) + 0.5);
105 size_t granularity = nextPowerOfTen / 1000; // We want 3 signficant digi ts. 105 size_t granularity = nextPowerOfTen / 1000; // We want 3 signficant digi ts.
106 106
107 for (int i = 0; i < numberOfBuckets; ++i) { 107 for (int i = 0; i < numberOfBuckets; ++i) {
108 size_t currentBucketSize = static_cast<size_t>(sizeOfNextBucket); 108 size_t currentBucketSize = static_cast<size_t>(sizeOfNextBucket);
109 bucketSizeList[i] = currentBucketSize - (currentBucketSize % granula rity); 109 bucketSizeList[i] = currentBucketSize - (currentBucketSize % granula rity);
110 110
111 sizeOfNextBucket *= scalingFactor; 111 sizeOfNextBucket *= scalingFactor;
112 if (sizeOfNextBucket >= nextPowerOfTen) { 112 if (sizeOfNextBucket >= nextPowerOfTen) {
113 if (std::numeric_limits<size_t>::max() / 10 <= nextPowerOfTen) 113 if (std::numeric_limits<size_t>::max() / 10 <= nextPowerOfTen) {
114 nextPowerOfTen = std::numeric_limits<size_t>::max(); 114 nextPowerOfTen = std::numeric_limits<size_t>::max();
115 else { 115 } else {
116 nextPowerOfTen *= 10; 116 nextPowerOfTen *= 10;
117 granularity *= 10; 117 granularity *= 10;
118 } 118 }
119 } 119 }
120 120
121 // Watch out for overflow, if the range is too large for size_t. 121 // Watch out for overflow, if the range is too large for size_t.
122 if (i > 0 && bucketSizeList[i] < bucketSizeList[i - 1]) 122 if (i > 0 && bucketSizeList[i] < bucketSizeList[i - 1])
123 bucketSizeList[i] = std::numeric_limits<size_t>::max(); 123 bucketSizeList[i] = std::numeric_limits<size_t>::max();
124 } 124 }
125 } 125 }
126 126
127 for (int i = 0; i < numberOfBuckets; ++i) { 127 for (int i = 0; i < numberOfBuckets; ++i) {
128 if (size <= bucketSizeList[i]) 128 if (size <= bucketSizeList[i])
129 return bucketSizeList[i]; 129 return bucketSizeList[i];
130 } 130 }
131 131
132 return bucketSizeList[numberOfBuckets - 1]; 132 return bucketSizeList[numberOfBuckets - 1];
133 } 133 }
134 134
135 135
136 MemoryInfo::MemoryInfo(Frame* frame) 136 MemoryInfo::MemoryInfo(Frame* frame)
137 { 137 {
138 ScriptWrappable::init(this); 138 ScriptWrappable::init(this);
139 if (!frame || !frame->settings()) 139 if (!frame || !frame->settings())
140 return; 140 return;
141 141
142 if (frame->settings()->memoryInfoEnabled()) 142 if (frame->settings()->memoryInfoEnabled()) {
143 ScriptGCEvent::getHeapSize(m_info); 143 ScriptGCEvent::getHeapSize(m_info);
144 else { 144 } else {
145 DEFINE_STATIC_LOCAL(HeapSizeCache, heapSizeCache, ()); 145 DEFINE_STATIC_LOCAL(HeapSizeCache, heapSizeCache, ());
146 heapSizeCache.getCachedHeapSize(m_info); 146 heapSizeCache.getCachedHeapSize(m_info);
147 } 147 }
148 } 148 }
149 149
150 } // namespace WebCore 150 } // namespace WebCore
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