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Issue 633146 link

Starred by 3 users
Status: WontFix
Owner: ----
Closed: Aug 2016
Cc:
█ ashej...@chromium.org
Components:
EstimatedDays: ----
NextAction: ----
OS: Mac
Pri: 2
Type: Bug



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timeline recoding button effects page performance.

Reported by enjoy.do...@gmail.com, Aug 1 2016 
UserAgent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_11_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/51.0.2704.103 Safari/537.36

Steps to reproduce the problem:
1. To Save following code as a local html file 
2. open it and active devtool.
3. switch to timeline panel.
4. hit the recording button.
5. finish recording and get a record.

What is the expected behavior?
record the performance stable 

What went wrong?
It always show jank(low fps) in first several seconds whenever I start recording.

Did this work before? N/A 

Chrome version: 51.0.2704.103  Channel: stable
OS Version: OS X 10.11.6
Flash Version: Shockwave Flash 22.0 r0
14700421282487.jpg
112 KB View Download
setTimeout-animation.html
3.3 KB View Download

Comment 1 by ashej...@chromium.org, Aug 1 2016

Cc: ashej...@chromium.org
 Issue 633147  has been merged into this issue.

Comment 2 by caseq@chromium.org, Aug 1 2016

Status: WontFix (was: Unconfirmed)
Please disable screenshots and paint categories if you care about accurate timing -- those are known to be expensive and this is the reason they're configurable rather than being enabled by default.
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