From: Bharata B Rao <bharata@linux.vnet.ibm.com>
To: Balbir Singh <balbir@linux.vnet.ibm.com>,
Pavel Emelyanov <xemul@openvz.org>,
linux-kernel@vger.kernel.org,
Dhaval Giani <dhaval@linux.vnet.ibm.com>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Gautham R Shenoy <ego@in.ibm.com>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Ingo Molnar <mingo@elte.hu>,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Avi Kivity <avi@redhat.com>, Chris Friesen <cfriesen@nortel.com>,
Paul Menage <menage@google.com>,
Mike Waychison <mikew@google.com>
Subject: Re: [RFC v2 PATCH 0/8] CFS Hard limits - v2
Date: Thu, 1 Oct 2009 10:42:30 +0530 [thread overview]
Message-ID: <20091001051230.GA3451@in.ibm.com> (raw)
In-Reply-To: <20090930223039.GO484@MAIL.13thfloor.at>
On Thu, Oct 01, 2009 at 12:30:39AM +0200, Herbert Poetzl wrote:
>
> Linux-VServer uses interval and rate, which is very similar
> to your setup, except that we use two pairs to achive
> a differentiation for 'busy' and 'idle' cases, i.e. when
> the cpu(s) would go idle, we switch from R1/I1 to R2/I2
> for all guests, allowing to distribute the excess differently
> than the 'active' part ... but only one set is needed for
> hard limits ...
Do you have examples of how you choose R1, I1 and R2, I2 for guests
running typical workloads ?
Regards,
Bharata.
prev parent reply other threads:[~2009-10-01 5:13 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-09-30 12:49 [RFC v2 PATCH 0/8] CFS Hard limits - v2 Bharata B Rao
2009-09-30 12:50 ` [RFC v2 PATCH 1/8] sched: Rename sched_rt_period_mask() and use it in CFS also Bharata B Rao
2009-09-30 12:51 ` [RFC v2 PATCH 2/8] sched: Maintain aggregated tasks count in cfs_rq at each hierarchy level Bharata B Rao
2009-10-13 14:27 ` Peter Zijlstra
2009-10-14 3:42 ` Bharata B Rao
2009-09-30 12:52 ` [RFC v2 PATCH 3/8] sched: Bandwidth initialization for fair task groups Bharata B Rao
2009-10-13 14:27 ` Peter Zijlstra
2009-10-14 3:49 ` Bharata B Rao
2009-09-30 12:52 ` [RFC v2 PATCH 4/8] sched: Enforce hard limits by throttling Bharata B Rao
2009-10-13 14:27 ` Peter Zijlstra
2009-10-14 3:41 ` Bharata B Rao
2009-10-14 9:17 ` Peter Zijlstra
2009-10-14 11:50 ` Bharata B Rao
2009-10-14 13:18 ` Herbert Poetzl
2009-10-15 3:30 ` Bharata B Rao
2009-09-30 12:53 ` [RFC v2 PATCH 5/8] sched: Unthrottle the throttled tasks Bharata B Rao
2009-09-30 12:54 ` [RFC v2 PATCH 6/8] sched: Add throttle time statistics to /proc/sched_debug Bharata B Rao
2009-09-30 12:55 ` [RFC v2 PATCH 7/8] sched: Rebalance cfs runtimes Bharata B Rao
2009-09-30 12:55 ` [RFC v2 PATCH 8/8] sched: Hard limits documentation Bharata B Rao
2009-09-30 13:36 ` [RFC v2 PATCH 0/8] CFS Hard limits - v2 Pavel Emelyanov
2009-09-30 14:25 ` Bharata B Rao
2009-09-30 14:39 ` Srivatsa Vaddagiri
2009-09-30 15:09 ` Pavel Emelyanov
2009-10-13 11:39 ` Pavel Emelyanov
2009-10-13 12:03 ` Herbert Poetzl
2009-10-13 12:19 ` Pavel Emelyanov
2009-10-13 12:30 ` Dhaval Giani
2009-10-13 12:45 ` Pavel Emelyanov
2009-10-13 12:56 ` Dhaval Giani
2009-10-13 12:57 ` Bharata B Rao
2009-10-13 13:01 ` Pavel Emelyanov
2009-10-13 14:56 ` Valdis.Kletnieks
2009-10-13 22:02 ` Herbert Poetzl
2009-10-13 14:49 ` Valdis.Kletnieks
2009-09-30 14:38 ` Balbir Singh
2009-09-30 15:10 ` Pavel Emelyanov
2009-09-30 15:30 ` Balbir Singh
2009-09-30 22:30 ` Herbert Poetzl
2009-10-01 5:12 ` Bharata B Rao [this message]
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