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http://bugzilla.xensource.com/bugzilla/show_bug.cgi?id=1784





------- Comment #2 from xudong.hao@intel.com 2011-09-22 17:53 -------
(In reply to comment #1)
> So is this a RHEL6U1 guest or RHEL6U1 guest with a 3.1.0-rc3 kernel built on
> top?

Guest is RHEL6u1 with its kernel by default, we did not build new kernel in
guest.


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------- Comment #3 from konrad.wilk@oracle.com 2011-09-23 06:21 -------
OK, so how is 3.1 involved? A bit confused of what you are comparing against?


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------- Comment #4 from xudong.hao@intel.com 2011-09-26 20:58 -------
(In reply to comment #3)
> A bit confused of what you are comparing against?
Both of guest use RHEL6u1 with its kernel by default, the comparison difference
is only for dom0 kernel, which using kernel 3.1.0-rc3 show poor performance.

> OK, so how is 3.1 involved?
If guest use 3.1 kernel, the data is similar as RHEL6u1's kernel.

==============================================================
Host kernel version Guest kernel save restore migration
==============================================================
vmlinux-2.6-xen RHEL6u1-2.6.32 19s 14s 30s
vmlinux-3.1.0-rc3 RHLE6u1-2.6.32 54s 26s 75s
vmlinux-3.1.0-rc3 kernle 3.1 51s 20s 72s
==============================================================


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