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| 1 /* | 1 /* |
| 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. | 2 * Copyright (C) 2006, 2008 Apple Inc. All rights reserved. |
| 3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. | 3 * Copyright (C) Research In Motion Limited 2009-2010. All rights reserved. |
| 4 * | 4 * |
| 5 * Redistribution and use in source and binary forms, with or without | 5 * Redistribution and use in source and binary forms, with or without |
| 6 * modification, are permitted provided that the following conditions | 6 * modification, are permitted provided that the following conditions |
| 7 * are met: | 7 * are met: |
| 8 * 1. Redistributions of source code must retain the above copyright | 8 * 1. 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 * 2. Redistributions in binary form must reproduce the above copyright | 10 * 2. Redistributions in binary form must reproduce the above copyright |
| 11 * notice, this list of conditions and the following disclaimer in the | 11 * notice, this list of conditions and the following disclaimer in the |
| 12 * documentation and/or other materials provided with the distribution. | 12 * documentation and/or other materials provided with the distribution. |
| 13 * | 13 * |
| 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY | 14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY |
| 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR | 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR |
| 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 25 */ | 25 */ |
| 26 | 26 |
| 27 #include "config.h" | 27 #include "config.h" |
| 28 #include "platform/SharedBuffer.h" | 28 #include "platform/SharedBuffer.h" |
| 29 | 29 |
| 30 #include "base/bind.h" |
| 31 #include "public/platform/Platform.h" |
| 30 #include "wtf/unicode/Unicode.h" | 32 #include "wtf/unicode/Unicode.h" |
| 31 #include "wtf/unicode/UTF8.h" | 33 #include "wtf/unicode/UTF8.h" |
| 32 | 34 |
| 33 #undef SHARED_BUFFER_STATS | 35 #undef SHARED_BUFFER_STATS |
| 34 | 36 |
| 35 #ifdef SHARED_BUFFER_STATS | 37 #ifdef SHARED_BUFFER_STATS |
| 36 #include "wtf/DataLog.h" | 38 #include "wtf/DataLog.h" |
| 37 #include "wtf/MainThread.h" | |
| 38 #endif | 39 #endif |
| 39 | 40 |
| 40 namespace blink { | 41 namespace blink { |
| 41 | 42 |
| 42 static const unsigned segmentSize = 0x1000; | 43 static const unsigned segmentSize = 0x1000; |
| 43 static const unsigned segmentPositionMask = 0x0FFF; | 44 static const unsigned segmentPositionMask = 0x0FFF; |
| 44 | 45 |
| 45 static inline unsigned segmentIndex(unsigned position) | 46 static inline unsigned segmentIndex(unsigned position) |
| 46 { | 47 { |
| 47 return position / segmentSize; | 48 return position / segmentSize; |
| (...skipping 51 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 99 } | 100 } |
| 100 | 101 |
| 101 for (unsigned i = 0; i < snippetLength; ++i) { | 102 for (unsigned i = 0; i < snippetLength; ++i) { |
| 102 if (!isASCIIPrintable(snippet[i])) | 103 if (!isASCIIPrintable(snippet[i])) |
| 103 snippet[i] = '?'; | 104 snippet[i] = '?'; |
| 104 } | 105 } |
| 105 | 106 |
| 106 return result; | 107 return result; |
| 107 } | 108 } |
| 108 | 109 |
| 109 static void printStats(void*) | 110 static void printStats() |
| 110 { | 111 { |
| 111 MutexLocker locker(statsMutex()); | 112 MutexLocker locker(statsMutex()); |
| 112 Vector<SharedBuffer*> buffers; | 113 Vector<SharedBuffer*> buffers; |
| 113 for (HashSet<SharedBuffer*>::const_iterator iter = liveBuffers().begin(); it
er != liveBuffers().end(); ++iter) | 114 for (HashSet<SharedBuffer*>::const_iterator iter = liveBuffers().begin(); it
er != liveBuffers().end(); ++iter) |
| 114 buffers.append(*iter); | 115 buffers.append(*iter); |
| 115 std::sort(buffers.begin(), buffers.end(), sizeComparator); | 116 std::sort(buffers.begin(), buffers.end(), sizeComparator); |
| 116 | 117 |
| 117 dataLogF("---- Shared Buffer Stats ----\n"); | 118 dataLogF("---- Shared Buffer Stats ----\n"); |
| 118 for (size_t i = 0; i < buffers.size() && i < 64; ++i) { | 119 for (size_t i = 0; i < buffers.size() && i < 64; ++i) { |
| 119 CString snippet = snippetForBuffer(buffers[i]); | 120 CString snippet = snippetForBuffer(buffers[i]); |
| 120 dataLogF("Buffer size=%8u %s\n", buffers[i]->size(), snippet.data()); | 121 dataLogF("Buffer size=%8u %s\n", buffers[i]->size(), snippet.data()); |
| 121 } | 122 } |
| 122 } | 123 } |
| 123 | 124 |
| 124 static void didCreateSharedBuffer(SharedBuffer* buffer) | 125 static void didCreateSharedBuffer(SharedBuffer* buffer) |
| 125 { | 126 { |
| 126 MutexLocker locker(statsMutex()); | 127 MutexLocker locker(statsMutex()); |
| 127 liveBuffers().add(buffer); | 128 liveBuffers().add(buffer); |
| 128 | 129 |
| 129 callOnMainThread(printStats, 0); | 130 Platform::current()->mainThreadTaskRunner()->PostTask(FROM_HERE, base::Bind(
&printStats)); |
| 130 } | 131 } |
| 131 | 132 |
| 132 static void willDestroySharedBuffer(SharedBuffer* buffer) | 133 static void willDestroySharedBuffer(SharedBuffer* buffer) |
| 133 { | 134 { |
| 134 MutexLocker locker(statsMutex()); | 135 MutexLocker locker(statsMutex()); |
| 135 liveBuffers().remove(buffer); | 136 liveBuffers().remove(buffer); |
| 136 } | 137 } |
| 137 | 138 |
| 138 #endif | 139 #endif |
| 139 | 140 |
| (...skipping 272 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 412 mergeSegmentsIntoBuffer(); | 413 mergeSegmentsIntoBuffer(); |
| 413 m_buffer.unlock(); | 414 m_buffer.unlock(); |
| 414 } | 415 } |
| 415 | 416 |
| 416 bool SharedBuffer::isLocked() const | 417 bool SharedBuffer::isLocked() const |
| 417 { | 418 { |
| 418 return m_buffer.isLocked(); | 419 return m_buffer.isLocked(); |
| 419 } | 420 } |
| 420 | 421 |
| 421 } // namespace blink | 422 } // namespace blink |
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