From: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
To: Paul Turner <pjt@google.com>
Cc: linux-kernel@vger.kernel.org,
Peter Zijlstra <a.p.zijlstra@chello.nl>,
Bharata B Rao <bharata@linux.vnet.ibm.com>,
Dhaval Giani <dhaval.giani@gmail.com>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Vaidyanathan Srinivasan <svaidy@linux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@in.ibm.com>,
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>,
Ingo Molnar <mingo@elte.hu>, Pavel Emelyanov <xemul@openvz.org>
Subject: Re: [patch 00/15] CFS Bandwidth Control V5
Date: Thu, 31 Mar 2011 15:57:16 +0800 [thread overview]
Message-ID: <4D9433DC.5020008@cn.fujitsu.com> (raw)
In-Reply-To: <20110323030326.789836913@google.com>
[-- Attachment #1: Type: text/plain, Size: 954 bytes --]
On 03/23/2011 11:03 AM, Paul Turner wrote:
> Hi all,
>
> Please find attached the latest version of bandwidth control for the normal
> scheduling class. This revision has undergone fairly extensive changes since
> the previous version based largely on the observation that many of the edge
> conditions requiring special casing around update_curr() were a result of
> introducing side-effects into that operation. By introducing an interstitial
> state, where we recognize that the runqueue is over bandwidth, but not marking
> it throttled until we can actually remove it from the CPU we avoid the
> previous possible interactions with throttled entities which eliminates some
> head-scratching corner cases.
>
Hi Paul,
I have wrote some codes to test this patchset. While run attached test case,
the test program is blocked, it seams the children tasks can not be killed,
after one or two hours, the watchdog is expired and triggers box crashed.
[-- Attachment #2: bwc.tar.bz2 --]
[-- Type: application/x-bzip, Size: 2987 bytes --]
next prev parent reply other threads:[~2011-03-31 7:56 UTC|newest]
Thread overview: 63+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-23 3:03 [patch 00/15] CFS Bandwidth Control V5 Paul Turner
2011-03-23 3:03 ` [patch 01/15] sched: introduce primitives to account for CFS bandwidth tracking Paul Turner
2011-03-24 12:38 ` Kamalesh Babulal
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 02/15] sched: validate CFS quota hierarchies Paul Turner
2011-03-23 10:39 ` torbenh
2011-03-23 20:49 ` Paul Turner
2011-03-24 6:31 ` Bharata B Rao
2011-04-08 17:01 ` Peter Zijlstra
2011-03-29 6:57 ` Hidetoshi Seto
2011-04-04 23:10 ` Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 03/15] sched: accumulate per-cfs_rq cpu usage Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-06 20:44 ` Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-06 20:47 ` Paul Turner
2011-03-23 3:03 ` [patch 04/15] sched: throttle cfs_rq entities which exceed their local quota Paul Turner
2011-03-23 5:09 ` Mike Galbraith
2011-03-23 20:53 ` Paul Turner
2011-03-24 6:36 ` Bharata B Rao
2011-03-24 7:40 ` Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-05 23:15 ` Paul Turner
2011-03-23 3:03 ` [patch 05/15] sched: unthrottle cfs_rq(s) who ran out of quota at period refresh Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-05 13:33 ` Peter Zijlstra
2011-04-05 13:28 ` Peter Zijlstra
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 06/15] sched: allow for positional tg_tree walks Paul Turner
2011-03-23 3:03 ` [patch 07/15] sched: prevent interactions between throttled entities and load-balance Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 08/15] sched: migrate throttled tasks on HOTPLUG Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-06 2:31 ` Paul Turner
2011-03-23 3:03 ` [patch 09/15] sched: add exports tracking cfs bandwidth control statistics Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 10/15] sched: (fixlet) dont update shares twice on on_rq parent Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 11/15] sched: hierarchical task accounting for SCHED_OTHER Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 12/15] sched: maintain throttled rqs as a list Paul Turner
2011-04-22 2:50 ` Hidetoshi Seto
2011-04-24 21:23 ` Paul Turner
2011-03-23 3:03 ` [patch 13/15] sched: expire slack quota using generation counters Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-06 7:22 ` Paul Turner
2011-04-06 8:15 ` Peter Zijlstra
2011-04-06 11:26 ` Peter Zijlstra
2011-03-23 3:03 ` [patch 14/15] sched: return unused quota on voluntary sleep Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-04-06 2:25 ` Paul Turner
2011-03-23 3:03 ` [patch 15/15] sched: add documentation for bandwidth control Paul Turner
2011-03-24 6:38 ` Bharata B Rao
2011-03-24 16:12 ` [patch 00/15] CFS Bandwidth Control V5 Bharata B Rao
2011-03-31 7:57 ` Xiao Guangrong [this message]
2011-04-04 23:10 ` Paul Turner
2011-04-05 13:28 ` Peter Zijlstra
2011-05-20 2:12 ` Test for CFS Bandwidth Control V6 Xiao Guangrong
2011-05-24 0:53 ` Hidetoshi Seto
2011-05-24 7:56 ` Xiao Guangrong
2011-06-08 2:54 ` Paul Turner
2011-06-08 5:55 ` Hidetoshi Seto
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