Messages in this thread | | | Date | Tue, 27 Nov 2007 12:17:07 +0100 | From | Ingo Molnar <> | Subject | Re: sched_yield: delete sysctl_sched_compat_yield |
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* Zhang, Yanmin <yanmin_zhang@linux.intel.com> wrote:
> If echo "1">/proc/sys/kernel/sched_compat_yield before starting > volanoMark testing, the result is very good with kernel 2.6.24-rc3 on > my 16-core tigerton.
yep, that's known and has been discussed in detail on lkml. Java should use something more suitable than sched_yield for its locking. Yield will always be dependent on scheduling details and _some_ category of apps will always hurt. That's why we offer the sched_compat_yield flag.
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