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From: Avi Kivity <avi-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
To: "Zhao, Yunfeng" <yunfeng.zhao-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
Cc: kvm-devel-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org
Subject: Re: A testing for KVM
Date: Wed, 13 Jun 2007 11:48:22 +0300	[thread overview]
Message-ID: <466FAF56.4070802@qumranet.com> (raw)
In-Reply-To: <10EA09EFD8728347A513008B6B0DA77AA3EEA0-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>

Zhao, Yunfeng wrote:
> Hi,
> We ran a testing against latest KVM to know its quality status.
> In the testing we tried to boot guests, test basic devices of guest, and
> install guests.
>   

Thanks for doing this -- it is enormously useful.

> Basic devices, Keybord,disk,VGA, and nic works well, but timer is NOT
> accurate while running some workload on guests.
>   

We found that using an hrtimer enabled host with CONFIG_HZ=1000 improves 
things.  However I don't think that it's as accurate as 7 seconds in 20 
minutes (that's better than 1% accuracy), so probably more work is 
needed in qemu to correct time drift.



-- 
error compiling committee.c: too many arguments to function


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  parent reply	other threads:[~2007-06-13  8:48 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-06-13  8:37 A testing for KVM Zhao, Yunfeng
     [not found] ` <10EA09EFD8728347A513008B6B0DA77AA3EEA0-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-06-13  8:48   ` Avi Kivity [this message]
     [not found]     ` <466FAF56.4070802-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-13 10:16       ` Dong, Eddie
     [not found]         ` <10EA09EFD8728347A513008B6B0DA77A0198452F-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-06-13 10:58           ` Avi Kivity
2007-06-13 11:02       ` Gregory Haskins
     [not found]         ` <1181732578.26394.9.camel-5CR4LY5GPkvLDviKLk5550HKjMygAv58XqFh9Ls21Oc@public.gmane.org>
2007-06-13 11:41           ` Dor Laor
2007-06-21  3:23           ` Dong, Eddie
     [not found]             ` <10EA09EFD8728347A513008B6B0DA77A01A562AD-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-06-21  9:01               ` Avi Kivity
     [not found]                 ` <467A3E66.4090406-atKUWr5tajBWk0Htik3J/w@public.gmane.org>
2007-06-21  9:09                   ` Dong, Eddie
     [not found]                     ` <10EA09EFD8728347A513008B6B0DA77A01A56502-wq7ZOvIWXbNpB2pF5aRoyrfspsVTdybXVpNB7YpNyf8@public.gmane.org>
2007-06-21  9:28                       ` Avi Kivity
  -- strict thread matches above, loose matches on Subject: below --
2007-06-21  5:12 Dong, Eddie
2007-06-21 11:06 Gregory Haskins
     [not found] ` <467A23890200005A000262B7-Igcdv/6uVdMHoYOw/+koYqIwWpluYiW7@public.gmane.org>
2007-06-21 12:41   ` Dong, Eddie
2007-06-21 12:50 Gregory Haskins

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