Re: [RESEND][RFC] BFQ I/O Scheduler

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To: Avi Kivity <avi@...>

Cc: Jens Axboe <jens.axboe@...>, Paolo Valente <paolo.valente@...>, Pavel Machek <pavel@...>, <linux-kernel@...>

Subject: Re: [RESEND][RFC] BFQ I/O Scheduler

Date: Thursday, April 17, 2008 - 7:44 pm

Avi Kivity wrote:
quoted text> Jens Axboe wrote:
>> I was thinking about that too. Generally I've been opposed to doing
>> scheduling decisions on anything but time, since that is always
>> relevant. When to hand out slices and to what process, that algorithm is
>> really basic in CFQ and could do with an improvement.
>>   
> 
> Jumping in at random, does "process" here mean task or mms_struct?  If 
> the former, doesn't that mean that a 100-thread process can starve out a 
> single-threaded process?

task_struct.  It would also be nice to do per-user I/O scheduling..

 -- Aaron
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Messages in current thread:

[RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Tue Apr 1, 11:29 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Pavel Machek, (Wed Apr 16, 2:44 pm)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 2:14 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 3:10 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 4:26 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Aaron Carroll, (Thu Apr 17, 6:24 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Thu Apr 17, 7:14 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Aaron Carroll, (Thu Apr 17, 8:14 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 11:18 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 9:54 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 4:30 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Avi Kivity, (Thu Apr 17, 11:19 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Aaron Carroll, (Thu Apr 17, 7:44 pm)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 11:47 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Avi Kivity, (Thu Apr 17, 11:51 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 2:12 pm)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Thu Apr 17, 5:24 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 5:27 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Thu Apr 17, 7:30 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Aaron Carroll, (Thu Apr 17, 6:19 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 6:21 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Pavel Machek, (Thu Apr 17, 4:48 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Thu Apr 17, 4:57 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Thu Apr 17, 5:14 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Tue Apr 15, 4:22 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Aaron Carroll, (Thu Apr 17, 9:26 pm)

Re: [RESEND][RFC] BFQ I/O Scheduler, Paolo Valente, (Wed Apr 16, 2:48 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Tue Apr 15, 5:11 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Jens Axboe, (Tue Apr 15, 8:42 am)

Re: [RESEND][RFC] BFQ I/O Scheduler, Fabio Checconi, (Tue Apr 15, 2:08 pm)


linux-kernel:
Alan	Re: [RFC] Heads up on sys_fallocate()
Tarkan Erimer	Re: Dual-Licensing Linux Kernel with GPL V2 and GPL V3
Greg Kroah-Hartman	[PATCH 001/196] Chinese: Add the known_regression URI to the HOWTO
Paul Mundt	Re: 2.6.22-rc4-mm2
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openbsd-misc:

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Gerrit Renker	[PATCH 15/37] dccp: Set per-connection CCIDs via socket options
Jarek Poplawski	[PATCH] pkt_sched: Destroy gen estimators under rtnl_lock().
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Re: [RESEND][RFC] BFQ I/O Scheduler

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