]> git.baikalelectronics.ru Git - kernel.git/commit
revert ("sched: fair: weight calculations")
authorIngo Molnar <mingo@elte.hu>
Thu, 29 May 2008 09:23:17 +0000 (11:23 +0200)
committerIngo Molnar <mingo@elte.hu>
Thu, 29 May 2008 09:24:01 +0000 (11:24 +0200)
commit117c3fadd57e17a286b7f467a632025e4bfca6f5
treee171e568f04bd25c7c2ff99b5ef673b917b6eae6
parent05b13c7d6834ff95375b6f687aeb64692941631d
revert ("sched: fair: weight calculations")

Yanmin Zhang reported:

Comparing with kernel 2.6.25, sysbench+mysql(oltp, readonly) has many
regressions with 2.6.26-rc1:

 1) 8-core stoakley: 28%;
 2) 16-core tigerton: 20%;
 3) Itanium Montvale: 50%.

Bisect located this patch:

53a34c1f04c0133e6abb2f0cb384a66b4efeadf9 is first bad commit
| commit 53a34c1f04c0133e6abb2f0cb384a66b4efeadf9
| Author: Peter Zijlstra <a.p.zijlstra@chello.nl>
| Date:   Sat Apr 19 19:45:00 2008 +0200
|
|     sched: fair: weight calculations

Revert it to the 2.6.25 state.

Bisected-by: Yanmin Zhang <yanmin_zhang@linux.intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
kernel/sched.c
kernel/sched_fair.c