High CPU Usage WebRTC
Reported by
sheldona...@gmail.com,
Nov 30 2017
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Issue descriptionUserAgent: Mozilla/5.0 (Windows NT 6.3; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/62.0.3202.94 Safari/537.36 Example URL: https://www.kosmochat.com Steps to reproduce the problem: 1. Visit website 2. Test out webcam chat connections in two browsers (world / country) 3. Notice CPU is growing constantly What is the expected behavior? CPU levels maintain stable What went wrong? The CPU levels keep on growing, which makes the website (and doing any other tasks) unusable after some time. Did this work before? N/A Is it a problem with Flash or HTML5? N/A Does this work in other browsers? N/A Chrome version: 62.0.3202.94 Channel: stable OS Version: 6.3 Flash Version: Contents of chrome://gpu:
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Dec 4 2017
Tried checking the issue on reported version 62.0.3202.94 on Windows 7 by navigating to https://www.kosmochat.com and clicked on Start video chat. Permission denied message is seen @Reporter: Could you please let us know if we missed any steps. Thanks!
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Dec 5 2017
Hi there! Thanks for helping out, appreciate it. Very strange that you are getting a "permission denied" message. Is this issue on Chrome? I made a video explaining the process: https://vimeo.com/245910140 The password is: bug Hope this helps.
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Dec 5 2017
Thank you for providing more feedback. Adding requester "kebalaji@chromium.org" to the cc list and removing "Needs-Feedback" label. For more details visit https://www.chromium.org/issue-tracking/autotriage - Your friendly Sheriffbot
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Dec 7 2017
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Dec 8 2017
I tried this quickly on Linux, couldn't repro. Is it the tab or browser process CPU that grows?
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Dec 9 2017
It is the browser CPU that grows (as presented in the video above). The bug only appears when you have already gone through multiple peer-to-peer connections, so you will need to open two tabs and reconnect with yourself a few times.
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Dec 11 2017
Ok, was able to repro and this appears to be a bug on the JS side. Whenever you quit/reconnect you keep the old video flow going and add a new one, this is visible under chrome://webrtc-internals/. |
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Comment 1 by sheldona...@gmail.com
, Nov 30 2017