Messages in this thread | | | Date | Fri, 05 Mar 2004 22:09:04 +1100 | From | Nick Piggin <> | Subject | Re: nicksched v30 |
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Prakash K. Cheemplavam wrote:
> Nick Piggin wrote: > >> http://www.kerneltrap.org/~npiggin/v30.gz >> >> Applies to kernel 2.6.4-rc1-mm2. >> Run X at about nice -10 or -15. >> Please report interactivity problems with the default scheduler >> before using this one etc etc. > > > So far i noticed: > > with default scheduler: > > When I run emerge sync (I am on gentoo) and finally the cache on disk > gets updated (very heavy disk activity), default scheduler (in > conjunction with cfq, haven' tried other) causes a schmall pause of > 1-2 seconds when I use my browser, ie mouse cursor is ok, but I cannot > scroll for that time. >
Probably just reading stuff in.
> your scheduler: I tried it with the "love-sources", so maybe that > patch "steel300" incorporated was already a bit outdated, but I dunno. > It had the same version as above. When I click on a link in > thunderbird and it opens up in firefox (is started and just a new tab > is created) the mouses stutters for a brief moment. This didn't happen > with default scheduler. I dunno if above sympton happens with yours. > > I haven't reniced X withy our patch. But I did it once and I didn't > see much of a difference. (I dunno if the mouse stutter went away > then...) >
If you don't renice X then it doesn't get any special treatment and interactivity is generally worse. It makes a very big difference here when I run X at -15.
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