V8 internal profiler isn't compatible eith ProfViz.
Reported by
m0609.s...@samsung.com,
Mar 8 2016
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Issue descriptionUserAgent: Mozilla/5.0 (iPhone; CPU iPhone OS 9_2 like Mac OS X) AppleWebKit/601.1.46 (KHTML, like Gecko) Version/9.0 Mobile/13C75 Safari/601.1 Steps to reproduce the problem: 1. Generate 'v8.log' with following command. ./d8 --prof --log-timer-events test.js 2. Produce plot image with ProfViz. ./tools/plot-timer-events v8.log What is the expected behavior? All timer events should be appeared in plot image. What went wrong? Some events, e.g. lazy parse, compile eval, ate missed and doesn't rendered. Did this work before? Yes Before 27 JAN 2015 Chrome version: <Copy from: 'about:version'> Channel: n/a OS Version: Flash Version: Following commit changed the name of some events. For example, it changed V8.ParseLazy to V8.ParseLazyMicroSeconds. commit number: 22421bbe However, ProfViz can still recognize only V8.ParseLazy. I think it can be fixed by modifying V8 internal logging system or ProfViz.
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Mar 9 2016
Is ProfViz still supported?
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Mar 9 2016
well. it's supported until it gets out of date. I'll fix it.
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Mar 15 2016
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Comment 1 by dglazkov@chromium.org
, Mar 8 2016