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Side by Side Diff: third_party/WebKit/Source/wtf/text/StringImpl.cpp

Issue 1474213002: [PartitionAlloc] Annotate common Blink types for heap profiling (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@ctti
Patch Set: Mark template specialisations as WTF_EXPORT Created 5 years ago
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1 /* 1 /*
2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org) 2 * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
3 * (C) 1999 Antti Koivisto (koivisto@kde.org) 3 * (C) 1999 Antti Koivisto (koivisto@kde.org)
4 * (C) 2001 Dirk Mueller ( mueller@kde.org ) 4 * (C) 2001 Dirk Mueller ( mueller@kde.org )
5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All r ights reserved. 5 * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2013 Apple Inc. All r ights reserved.
6 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net) 6 * Copyright (C) 2006 Andrew Wellington (proton@wiretapped.net)
7 * 7 *
8 * This library is free software; you can redistribute it and/or 8 * This library is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU Library General Public 9 * modify it under the terms of the GNU Library General Public
10 * License as published by the Free Software Foundation; either 10 * License as published by the Free Software Foundation; either
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254 double overheadPercent = (double)totalOverhead / (double)totalDataBytes * 10 0; 254 double overheadPercent = (double)totalOverhead / (double)totalDataBytes * 10 0;
255 dataLogF(" StringImpl overheader: %8u (%5.2f%%)\n", totalOverhead, o verheadPercent); 255 dataLogF(" StringImpl overheader: %8u (%5.2f%%)\n", totalOverhead, o verheadPercent);
256 256
257 internal::callOnMainThread(&printLiveStringStats, nullptr); 257 internal::callOnMainThread(&printLiveStringStats, nullptr);
258 } 258 }
259 #endif 259 #endif
260 260
261 void* StringImpl::operator new(size_t size) 261 void* StringImpl::operator new(size_t size)
262 { 262 {
263 ASSERT(size == sizeof(StringImpl)); 263 ASSERT(size == sizeof(StringImpl));
264 return Partitions::bufferMalloc(size, WTF_HEAP_PROFILER_TYPE_NAME(StringImpl )); 264 return Partitions::bufferMalloc(size, "WTF::StringImpl");
265 } 265 }
266 266
267 void StringImpl::operator delete(void* ptr) 267 void StringImpl::operator delete(void* ptr)
268 { 268 {
269 Partitions::bufferFree(ptr); 269 Partitions::bufferFree(ptr);
270 } 270 }
271 271
272 inline StringImpl::~StringImpl() 272 inline StringImpl::~StringImpl()
273 { 273 {
274 ASSERT(!isStatic()); 274 ASSERT(!isStatic());
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288 PassRefPtr<StringImpl> StringImpl::createUninitialized(unsigned length, LChar*& data) 288 PassRefPtr<StringImpl> StringImpl::createUninitialized(unsigned length, LChar*& data)
289 { 289 {
290 if (!length) { 290 if (!length) {
291 data = 0; 291 data = 0;
292 return empty(); 292 return empty();
293 } 293 }
294 294
295 // Allocate a single buffer large enough to contain the StringImpl 295 // Allocate a single buffer large enough to contain the StringImpl
296 // struct as well as the data which it contains. This removes one 296 // struct as well as the data which it contains. This removes one
297 // heap allocation from this call. 297 // heap allocation from this call.
298 StringImpl* string = static_cast<StringImpl*>(Partitions::bufferMalloc(alloc ationSize<LChar>(length), WTF_HEAP_PROFILER_TYPE_NAME(StringImpl))); 298 StringImpl* string = static_cast<StringImpl*>(Partitions::bufferMalloc(alloc ationSize<LChar>(length), "WTF::StringImpl"));
299 299
300 data = reinterpret_cast<LChar*>(string + 1); 300 data = reinterpret_cast<LChar*>(string + 1);
301 return adoptRef(new (string) StringImpl(length, Force8BitConstructor)); 301 return adoptRef(new (string) StringImpl(length, Force8BitConstructor));
302 } 302 }
303 303
304 PassRefPtr<StringImpl> StringImpl::createUninitialized(unsigned length, UChar*& data) 304 PassRefPtr<StringImpl> StringImpl::createUninitialized(unsigned length, UChar*& data)
305 { 305 {
306 if (!length) { 306 if (!length) {
307 data = 0; 307 data = 0;
308 return empty(); 308 return empty();
309 } 309 }
310 310
311 // Allocate a single buffer large enough to contain the StringImpl 311 // Allocate a single buffer large enough to contain the StringImpl
312 // struct as well as the data which it contains. This removes one 312 // struct as well as the data which it contains. This removes one
313 // heap allocation from this call. 313 // heap allocation from this call.
314 StringImpl* string = static_cast<StringImpl*>(Partitions::bufferMalloc(alloc ationSize<UChar>(length), WTF_HEAP_PROFILER_TYPE_NAME(StringImpl))); 314 StringImpl* string = static_cast<StringImpl*>(Partitions::bufferMalloc(alloc ationSize<UChar>(length), "WTF::StringImpl"));
315 315
316 data = reinterpret_cast<UChar*>(string + 1); 316 data = reinterpret_cast<UChar*>(string + 1);
317 return adoptRef(new (string) StringImpl(length)); 317 return adoptRef(new (string) StringImpl(length));
318 } 318 }
319 319
320 static StaticStringsTable& staticStrings() 320 static StaticStringsTable& staticStrings()
321 { 321 {
322 DEFINE_STATIC_LOCAL(StaticStringsTable, staticStrings, ()); 322 DEFINE_STATIC_LOCAL(StaticStringsTable, staticStrings, ());
323 return staticStrings; 323 return staticStrings;
324 } 324 }
(...skipping 30 matching lines...) Expand all
355 return it->value; 355 return it->value;
356 } 356 }
357 357
358 // Allocate a single buffer large enough to contain the StringImpl 358 // Allocate a single buffer large enough to contain the StringImpl
359 // struct as well as the data which it contains. This removes one 359 // struct as well as the data which it contains. This removes one
360 // heap allocation from this call. 360 // heap allocation from this call.
361 RELEASE_ASSERT(length <= ((std::numeric_limits<unsigned>::max() - sizeof(Str ingImpl)) / sizeof(LChar))); 361 RELEASE_ASSERT(length <= ((std::numeric_limits<unsigned>::max() - sizeof(Str ingImpl)) / sizeof(LChar)));
362 size_t size = sizeof(StringImpl) + length * sizeof(LChar); 362 size_t size = sizeof(StringImpl) + length * sizeof(LChar);
363 363
364 WTF_ANNOTATE_SCOPED_MEMORY_LEAK; 364 WTF_ANNOTATE_SCOPED_MEMORY_LEAK;
365 StringImpl* impl = static_cast<StringImpl*>(Partitions::bufferMalloc(size, W TF_HEAP_PROFILER_TYPE_NAME(StringImpl))); 365 StringImpl* impl = static_cast<StringImpl*>(Partitions::bufferMalloc(size, " WTF::StringImpl"));
366 366
367 LChar* data = reinterpret_cast<LChar*>(impl + 1); 367 LChar* data = reinterpret_cast<LChar*>(impl + 1);
368 impl = new (impl) StringImpl(length, hash, StaticString); 368 impl = new (impl) StringImpl(length, hash, StaticString);
369 memcpy(data, string, length * sizeof(LChar)); 369 memcpy(data, string, length * sizeof(LChar));
370 #if ENABLE(ASSERT) 370 #if ENABLE(ASSERT)
371 impl->assertHashIsCorrect(); 371 impl->assertHashIsCorrect();
372 #endif 372 #endif
373 373
374 ASSERT(isMainThread()); 374 ASSERT(isMainThread());
375 m_highestStaticStringLength = std::max(m_highestStaticStringLength, length); 375 m_highestStaticStringLength = std::max(m_highestStaticStringLength, length);
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2109 } else if (localeIdMatchesLang(localeIdentifier, "lt")) { 2109 } else if (localeIdMatchesLang(localeIdentifier, "lt")) {
2110 // TODO(rob.buis) implement upper-casing rules for lt 2110 // TODO(rob.buis) implement upper-casing rules for lt
2111 // like in StringImpl::upper(locale). 2111 // like in StringImpl::upper(locale).
2112 } 2112 }
2113 } 2113 }
2114 2114
2115 return toUpper(c); 2115 return toUpper(c);
2116 } 2116 }
2117 2117
2118 } // namespace WTF 2118 } // namespace WTF
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