From: Yang Hongyang <yanghy@cn.fujitsu.com>
To: Vincent Hanquez <vincent.hanquez@eu.citrix.com>
Cc: "xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>
Subject: Re: [PATCH 1/2]xl: Add "xl uptime" command
Date: Thu, 13 May 2010 18:42:25 +0800 [thread overview]
Message-ID: <4BEBD791.2050106@cn.fujitsu.com> (raw)
In-Reply-To: <4BEBD20D.1070802@eu.citrix.com>
On 05/13/2010 06:18 PM, Vincent Hanquez wrote:
> On 13/05/10 11:10, Yang Hongyang wrote:
>>> I find this command basically useless, since on restore the "start_time"
>>> is not kept. do we actually need this ?
>>>
>>
>> I think it's sometimes useful. I noticed that just the day before
>> yesterday,
>> somebody asked in the xen-api list about "uptime" command.
>
> it is useful if it works :)
>
> however this version of start_time means "when was this xen domain
> started" which is not the VM start time (i.e. "when was my vm booted").
> To be useful start_time need to preserved across migration and
> suspend/restore.
>
> xen-api does the right thing and returns the later.
>
So more work has to be done to get xl exactly right as xen-api.:)
And I noticed that if use xl create, start_time will not be set.
xm create will set the start_time properly, I wonder if it is xend
that set the start_time or is this a bug?
--
Regards
Yang Hongyang
next prev parent reply other threads:[~2010-05-13 10:42 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-05-13 9:36 [PATCH 1/2]xl: Add "xl uptime" command Yang Hongyang
2010-05-13 9:54 ` Vincent Hanquez
2010-05-13 10:10 ` Yang Hongyang
2010-05-13 10:18 ` Vincent Hanquez
2010-05-13 10:42 ` Yang Hongyang [this message]
2010-05-13 10:31 ` [PATCH v2]xl: " Yang Hongyang
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