[Bug 65922] [HSW bisected] i915 module resume time regression

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Jun 19 06:34:19 PDT 2013


https://bugs.freedesktop.org/show_bug.cgi?id=65922

--- Comment #6 from Gordon Jin <gordon.jin at intel.com> ---
(In reply to comment #4)
> During resume:
> 
> good -> [   24.789721] call 0000:00:02.0+ returned 0 after 253503 usecs
> bad  -> [   31.337787] call 0000:00:02.0+ returned 0 after 38479 usecs

it looks like you make it opposite?

> So switchless is indeed doing its job in speeding up resume. So I guess we
> need to look at what happens after the kernel finishes its resume. How are
> you measuring the resume time?

Documented in QA wiki "HowtoGetResponseTime". But I think Cancan should put
details here.

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