New SCHED_SMP diff.
nevans at talkpoint.com
Thu Jul 12 18:17:37 UTC 2007
On Sun, 1 Jul 2007 22:47:33 -0700 (PDT)
Jeff Roberson <jroberson at chesapeake.net> wrote:
> I fixed a major bug in SCHED_SMP that impacted some users causing bad
> performance and invalid load counts. Attilio also added support for i386
> based machines. I have tested on UP which works although INVARIANTS and
> WITNESS don't work properly on UP kernels. Single processor SMP kernels
> work fine.
> This diff also includes another patch that I intend to commit to current
> which significantly improved write performance for mysql by removing
> all use of Giant in fcntl().
> Please report any stability or performance problems with this patch. The
> more positive reports I get the more likely it will go into 7.0.
> freebsd-performance at freebsd.org mailing list
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I have a new Xeon E5310 system that next month will have an additional 4
cores. Do you have any specific workloads you need tested for SCHED_SMP or any
other locking changes? I can give you or Kris a shell if you need direct
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