Bug 186700

Summary: StyleRuleGroup wastes 80KB of Vector capacity
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: CSSAssignee: Nobody <webkit-unassigned>
Status: NEW    
Severity: Normal CC: simon.fraser, webkit-bug-importer
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   

Simon Fraser (smfr)
Reported 2018-06-15 15:00:10 PDT
Using the tooling from bug 186698: Wasted capacity: 76912 bytes (used 12088 of 89000 bytes, utilization: 13.58%) - 683 allocations 1 0x1074c1355 WTF::VectorBuffer<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul>::VectorBuffer() 2 0x1074c1335 WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>::Vector() 3 0x107497385 WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>::Vector() 4 0x1074972da WebCore::StyleRuleGroup::StyleRuleGroup(WebCore::StyleRuleBase::Type, WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>&) 5 0x1074980cd WebCore::StyleRuleMedia::StyleRuleMedia(WTF::Ref<WebCore::MediaQuerySet, WTF::DumbPtrTraits<WebCore::MediaQuerySet> >&&, WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>&) 6 0x107498125 WebCore::StyleRuleMedia::StyleRuleMedia(WTF::Ref<WebCore::MediaQuerySet, WTF::DumbPtrTraits<WebCore::MediaQuerySet> >&&, WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>&) 7 0x1074de618 WebCore::StyleRuleMedia::create(WTF::Ref<WebCore::MediaQuerySet, WTF::DumbPtrTraits<WebCore::MediaQuerySet> >&&, WTF::Vector<WTF::RefPtr<WebCore::StyleRuleBase, WTF::DumbPtrTraits<WebCore::StyleRuleBase> >, 0ul, WTF::CrashOnOverflow, 16ul>&) 8 0x1074dc1d8 WebCore::CSSParserImpl::consumeMediaRule(WebCore::CSSParserTokenRange, WebCore::CSSParserTokenRange)
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Radar WebKit Bug Importer
Comment 1 2018-06-15 15:01:28 PDT
<rdar://problem/41173394>
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