| commit | f9305d4a0968201b2818dbed0dc8cb0d4ee7aeb3 | |
| author | Ingo Molnar <mingo@elte.hu> | |
| Thu, 29 May 2008 09:23:17 +0000 (29 11:23 +0200) | ||
| committer | Ingo Molnar <mingo@elte.hu> | |
| Thu, 29 May 2008 09:24:01 +0000 (29 11:24 +0200) | ||
| tree | e171e568f04bd25c7c2ff99b5ef673b917b6eae6 | treesnapshot (tar.gz zip) |
| parent | f26a3988917913b3d11b2bd741601a2c64ab9204 | commitdiff |
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:
| 8f1bc385cfbab474db6c27b5af1e439614f3025c is first bad commit
| commit 8f1bc385cfbab474db6c27b5af1e439614f3025c
| 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>
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:
| 8f1bc385cfbab474db6c27b5af1e439614f3025c is first bad commit
| commit 8f1bc385cfbab474db6c27b5af1e439614f3025c
| 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 | diffblobblamehistory | |
| kernel/sched_fair.c | diffblobblamehistory |