Feature request idea: Export browsers memory profilers via webdriver

[giovanni....@evilaliv3.org]

It would be valuable if selenium could export the memory profilers of the different browsers and possibly would try to uniform their API.

This would make possible for users to track memory allocations verifying memory leaks and other issues while doing automatic testing.

Probably what would be simple to be implemented using to get support in all the various browsers is to have simply an API like Node process.memoryUsage() that exports rss and heapUsage:https://nodejs.org/api/process.html#process_process_memoryusage

This would make possible to implement retesting on critical applications like we are trying to do in GlobaLeaks and OpenPGP.js: openpgpjs/openpgpjs#403

What do you think?

best,

Giovanni Pellerano

[David Burns]

I think something like this would be useful to people. However I do have some thoughts:

• This is essentially an addition to the logging endpoint[1], like performance logging[2]
  
• Is there a standard way the data would come out? What shape would the JSON look like? Is there a spec we could work from?

To be honest, since this can be done via logging, the onus to get this implemented is really on browser vendors to have those implementations we can call, especially as WebDriver gets implemented from a specification[3]

David

[1] https://github.com/seleniumhq/selenium/wiki/jsonwireprotocol#sessionsessionidlog

[2] https://sites.google.com/a/chromium.org/chromedriver/logging/performance-log

[3] http://w3c.github.io/webdriver/webdriver-spec.html

David Burns
Email: david...@theautomatedtester.co.uk
URL: http://www.theautomatedtester.co.uk/

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