[Xen-devel] Re: Credit scheduler in Xen

[gaurav somani <onlineengineer@xxxxxxxxx>]

thanks

Gaurav

On 6/18/09, George Dunlap <George.Dunlap@xxxxxxxxxxxxx> wrote:
> Because non-multiples of 100 are added?
>
>  -George
>
> -----Original Message-----
> From: gaurav somani [mailto:onlineengineer@xxxxxxxxx]
> Sent: 17 June 2009 09:34
> To: George Dunlap
> Cc: NISHIGUCHI Naoki; Emmanuel Ackaouy; xen-devel
> Subject: Re: Credit scheduler in Xen
>
> Hi George
> ,
> If the accounting is done with debiting 100 from credit score for each
> 10ms. Then why the credits are like -56, 244.
>
>
> Thanks
> Gaurav
>
>
> (XEN) active vcpus:
> (XEN)           1: [7.0] pri=-1 flags=0 cpu=1 credit=-56 [w=256] (244+300)
> {a/i=5689/5688 m=79036+0}
> (XEN)           2: [0.1] pri=-2 flags=0 cpu=0 credit=-250 [w=256] (-50+150)
> {a/i=154671/154670 m=105449+0}
> (XEN)           3: [0.0] pri=-2 flags=0 cpu=0 credit=-194 [w=256] (-194+150)
> {a/i=199622/199621 m=117084+0}
> (XEN) NOW=0x000057DB2EA2EF38
> (XEN) CPU[00]  sort=1094203, sibling=0x1, core=0x3
> (XEN)         run: [0.1] pri=-2 flags=0 cpu=0 credit=-250 [w=256] (-50+150)
> {a/i=154671/154670 m=105449+0}
> (XEN)           1: [0.0] pri=-2 flags=0 cpu=0 credit=-194 [w=256] (-194+150)
> {a/i=199622/199621 m=117084+0}
> (XEN)           2: [32767.0] pri=-64 flags=0 cpu=0
> (XEN) CPU[01]  sort=1094203, sibling=0x2, core=0x3
> (XEN)         run: [7.0] pri=-1 flags=0 cpu=1 credit=-56 [w=256] (244+300)
> {a/i=5689/5688 m=79036+0}
> (XEN)           1: [32767.1] pri=-64 flags=0 cpu=1
>
>
>
>
>
>
> On 6/17/09, NISHIGUCHI Naoki <nisiguti@xxxxxxxxxxxxxx> wrote:
>> gaurav somani wrote:
>>> I have seen your preseantion on credit scheduler. It was quite good
>>> idea to debit resource according to use. Please tell me about their
>>> inclusion in Xen. Are they available in xen?. After
>>
>> No, my patches to credit scheduler have not been applied in Xen.
>> As you knou, new scheduler has been developed by George Dunlap.
>>
>>> doing
>>>
>>> # xm debug-keys r
>>> #xm dmesg
>>>
>>> i got credits in odd numbers and negative also and not in the multiple
>>> of 100.  So, It seems that this version contains your changes. (It i
>>> sXen 3.3.1).
>>
>> Because of not applying my patches in Xen, I think these things are
>> behavior of original credit scheduler.
>>
>>> Please conform this thing. Also how to get continous accounting
>>> information on any thing tike xm dmesg.
>>
>> I don't know how to get continuous accounting information. I also had
>> used "xm debug-keys r" as you do.
>>
>> Regards,
>> Naoki Nishiguchi
>>
>>
>
>
> --
> Gaurav somani
> M.Tech (ICT)
> Dhirubhai Ambani Institute of ICT,
> Gandhinagar
> Gujarat, INDIA
>
> onlineengineer@xxxxxxxx
> gaurav_somani@xxxxxxxxxxxx
> http://dcomp.daiict.ac.in/~gaurav
> http://www.linkedin.com/in/gauravsomani
>


-- 
Gaurav somani
M.Tech (ICT)
Dhirubhai Ambani Institute of ICT,
Gandhinagar
Gujarat, INDIA

onlineengineer@xxxxxxxx
gaurav_somani@xxxxxxxxxxxx
http://dcomp.daiict.ac.in/~gaurav
http://www.linkedin.com/in/gauravsomani

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