186700 2018-06-15 15:00:10 -0700 StyleRuleGroup wastes 80KB of Vector capacity 2018-06-15 15:01:28 -0700 1 1 1 Unclassified WebKit CSS WebKit Nightly Build Unspecified Unspecified NEW InRadar P2 Normal --- 1 simon.fraser webkit-unassigned simon.fraser webkit-bug-importer oldest_to_newest 1433572 0 simon.fraser 2018-06-15 15:00:10 -0700 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) 1433575 1 webkit-bug-importer 2018-06-15 15:01:28 -0700 <rdar://problem/41173394>