file2.pprof revision c7faa09f456ca5c651ac373ad897aa4be6ad2717 
1File: perf
2Build ID: 1000000000
3Type: instructions_event
4Showing nodes accounting for 48939666671, 42.14% of 116136877744 total
5Dropped 35196 nodes (cum <= 580684388)
6      flat  flat%   sum%        cum   cum%
7      4585860529  3.95%  3.95% 13583834527 11.70%  blink::InvalidationSet::invalidatesElement /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/a/b/../../InvalidationSet.cpp
8      3791928512  3.27%  7.21% 35145646088 30.26%  blink::StyleInvalidator::invalidate /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.cpp
9      2871318565  2.47%  9.69% 2979878602  2.57%  blink::StyleInvalidator::RecursionCheckpoint::~RecursionCheckpoint /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.h (inline)
10      1914657964  1.65% 11.33% 2164475253  1.86%  WTF::StringImpl::lower /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/wtf/text/StringImpl.cpp
11      1841071698  1.59% 12.92% 13112332809 11.29%  blink::StyleInvalidator::RecursionData::matchesCurrentInvalidationSets /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.cpp (inline)
12      1825142681  1.57% 14.49% 1828134467  1.57%  blink::StyleInvalidator::RecursionCheckpoint::RecursionCheckpoint /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.h (inline)
13      1727655605  1.49% 15.98% 1925839708  1.66%  blink::Element::hasID /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/dom/Element.h (inline)
14      1548329435  1.33% 17.31% 14927333582 12.85%  blink::StyleInvalidator::checkInvalidationSetsAgainstElement /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/invalidation/StyleInvalidator.cpp (inline)
15      1429307046  1.23% 18.54% 1931177544  1.66%  WTF::HashTableConstIterator::skipEmptyBuckets /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/wtf/HashTable.h
16      1298665649  1.12% 19.66% 4872203383  4.20%  blink::SelectorChecker::matchSelector /home/chrome-bot/chrome_root/src/third_party/WebKit/Source/core/css/SelectorChecker.cpp
17      1241347773  1.07% 20.73% 88048746121 75.81%  [anon]
18