Messages in this thread | | | Subject | Re: Ten percent test | From | Mike Galbraith <> | Date | Fri, 06 Apr 2007 11:07:51 +0200 |
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On Fri, 2007-04-06 at 11:03 +1000, Con Kolivas wrote: > On Thursday 05 April 2007 21:54, Ingo Molnar wrote: > > - fiftyp.c: noticeable, but alot better than previously! > > fiftyp.c seems to have been stumbled across by accident as having an effect > when Xenofon was trying to recreate Mike's 50% x 3 test case. I suggest a ten > percent version like the following would be more useful as a test for the > harmful effect discovered in fiftyp.c. (/me throws in obligatory code style > change). > > Starts 15 processes that sleep ten times longer than they run. Change forks to > 15 times the number of cpus you have and it should work on any size hardware.
I was more focused on the general case, but all I should have to do to de-claw all of these sleep exploits is account rr time (only a couple of lines, done and building now). It's only a couple of lines.
-Mike
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