Messages in this thread | | | Subject | Re: [RFC/RFT PATCH v3] sched: automated per tty task groups | From | Mike Galbraith <> | Date | Mon, 15 Nov 2010 07:00:58 -0700 |
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On Sun, 2010-11-14 at 19:12 -0800, Linus Torvalds wrote:
> I'm also very happy with just what it does to interactive performance. > Admittedly, my "testcase" is really trivial (reading email in a > web-browser, scrolling around a bit, while doing a "make -j64" on the > kernel at the same time), but it's a test-case that is very relevant > for me. And it is a _huge_ improvement.
Next logical auto-step would be to try to subvert cfq. At a glance, io_context looks highly hackable for !CONFIG_CFQ_GROUP_IOSCHED case. The other case may get interesting for someone not very familiar with cfq innards, but I see a tempting looking subversion point.
-Mike
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