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* sched: Remove USER_SCHED from documentationLi Zefan2010-04-022-67/+7
| | | | | | | | | | | USER_SCHED has been removed, so update the documentation accordingly. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Acked-by: Serge E. Hallyn <serue@us.ibm.com> LKML-Reference: <4BA9A07E.8070508@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: Documentation/sched-rt-group: Fix style issues & bump versionWolfram Sang2009-06-211-6/+7
| | | | | | | | | | | - add missing closing bracket - fix two 80-chars issues (as the rest of the document adheres to it) - bump a reference to kernel version, so the document does not feel aged Signed-off-by: Wolfram Sang <w.sang@pengutronix.de> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <1245580359-4465-1-git-send-email-w.sang@pengutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* trivial: Miscellaneous documentation typo fixesMatt LaPlante2009-06-121-1/+1
| | | | | | | Fix various typos in documentation txts. Signed-off-by: Matt LaPlante <kernel1@cyberdogtech.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* sched: fix typo in sched-rt-group.txt fileGeunSik Lim2009-05-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Fix typo about static priority's range. Kernel Space User Space =============================================================== 0(high) to 98(low) user RT priority 99(high) to 1(low) with SCHED_RR or SCHED_FIFO --------------------------------------------------------------- 99 sched_priority is not used in scheduling decisions(it must be specified as 0) --------------------------------------------------------------- 100(high) to 139(low) user nice -20(high) to 19(low) --------------------------------------------------------------- 140 idle task priority --------------------------------------------------------------- * ref) http://www.kernel.org/doc/man-pages/online/pages/man2/sched_setscheduler.2.html Signed-off-by: GeunSik Lim <geunsik.lim@samsung.com> CC: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <new-submission> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: rt: document the risk of small values in the bandwidth settingsPeter Zijlstra2009-05-051-0/+18
| | | | | | | | | | | | | | Thomas noted that we should disallow sysctl_sched_rt_runtime == 0 for (!RT_GROUP) since the root group always has some RT tasks in it. Further, update the documentation to inspire clue. [ Impact: exclude corner-case sysctl_sched_rt_runtime value ] Reported-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> LKML-Reference: <20090505155436.863098054@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* trivial: fix where cgroup documentation is not correctly referred toThadeu Lima de Souza Cascardo2009-03-301-1/+1
| | | | | | | | | | | cgroup documentation was moved to Documentation/cgroups/. There are some places that still refer to Documentation/controllers/, Documentation/cgroups.txt and Documentation/cpusets.txt. Fix those. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com> Reviewed-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
* sched, documentation: remove old O(1) scheduler documentWang Chen2009-03-022-128/+0
| | | | | | | | Since we don't have O(1) scheduler implementation anymore, remove the legacy doc. Signed-off-by: Wang Chen <wangchen@cn.fujitsu.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* cgroups: consolidate cgroup documentsLi Zefan2009-01-161-1/+1
| | | | | | | | | | | | Move Documentation/cpusets.txt and Documentation/controllers/* to Documentation/cgroups/ Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: Balbir Singh <balbir@linux.vnet.ibm.com> Acked-by: Paul Menage <menage@google.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge branch 'sched-core-for-linus' of ↵Linus Torvalds2008-12-281-2/+2
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: (31 commits) sched: fix warning in fs/proc/base.c schedstat: consolidate per-task cpu runtime stats sched: use RCU variant of list traversal in for_each_leaf_rt_rq() sched, cpuacct: export percpu cpuacct cgroup stats sched, cpuacct: refactoring cpuusage_read / cpuusage_write sched: optimize update_curr() sched: fix wakeup preemption clock sched: add missing arch_update_cpu_topology() call sched: let arch_update_cpu_topology indicate if topology changed sched: idle_balance() does not call load_balance_newidle() sched: fix sd_parent_degenerate on non-numa smp machine sched: add uid information to sched_debug for CONFIG_USER_SCHED sched: move double_unlock_balance() higher sched: update comment for move_task_off_dead_cpu sched: fix inconsistency when redistribute per-cpu tg->cfs_rq shares sched/rt: removed unneeded defintion sched: add hierarchical accounting to cpu accounting controller sched: include group statistics in /proc/sched_debug sched: rename SCHED_NO_NO_OMIT_FRAME_POINTER => SCHED_OMIT_FRAME_POINTER sched: clean up SCHED_CPUMASK_ALLOC ...
| * sched, documentation: update scheduler header file pathsRandy Dunlap2008-11-061-2/+2
| | | | | | | | | | | | | | | | | | Impact: update documentation Update Documentation/scheduler/ files to reflect changed header files locations. Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* | user namespaces: document CFS behaviorSerge E. Hallyn2008-12-081-0/+21
|/ | | | | | | | | | | | | Documented the currently bogus state of support for CFS user groups with user namespaces. In particular, all users in a user namespace should be children of the user which created the user namespace. This is yet to be implemented. Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Acked-by: Dhaval Giani <dhaval@linux.vnet.ibm.com> Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Signed-off-by: James Morris <jmorris@namei.org>
* sched: remove sched-design.txt from 00-INDEXLi Zefan2008-10-301-2/+0
| | | | | | | | | | Impact: remove stale documentation reference sched-design.txt has been removed. Signed-off-by: Li Zefan <lizf@cn.fujitsu.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: fix documentation reference for sched_min_granularity_nsJiri Kosina2008-10-271-1/+1
| | | | | | | | | | | Impact: documentation fix sched-design-CFS.txt wrongly references sched_granularity_ns sysctl, as its name in fact is sched_min_granularity_ns. Signed-off-by: Jiri Kosina <jkosina@suse.cz> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* CFS scheduler: documentation about scheduling policiesMartin Steigerwald2008-09-231-2/+26
| | | | | | | | | | | | | The documentation about the CFS scheduler is scarse when it comes to scheduling policies. This patch adds a chapter about the scheduling policies it supports. Peter Zijlstra provided most of the information for it in http://marc.info/?l=linux-kernel&m=122210038326356&w=2 Signed-off-by: Martin Steigerwald <ms@teamix.de> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: new documentation about CFSClaudio Scordino2008-08-211-153/+218
| | | | | | | | | Rewrite of the CFS documentation - because the old one was sorely out-dated. Signed-off-by: Claudio Scordino <claudio@evidence.eu.com> Acked-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: fix typo in Documentation/scheduler/sched-rt-group.txtHiroshi Shimamoto2008-06-181-2/+2
| | | | | | | Fix minor typos. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: update the sched-domains debug documentationGautham R Shenoy2008-06-061-5/+2
| | | | | | | | | | | SCHED_DOMAIN_DEBUG mentioned in the Documentation for sched-domains for enabling sched-domains debugging doesn't exist anymore. Update the documentation to reflect the correct way of enabling sched-domain debugging. Signed-off-by: Gautham R Shenoy <ego@in.ibm.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: remove old sched docIngo Molnar2008-05-051-165/+0
| | | | | | | | Fabio Checconi noticed that Documentation/scheduler/sched-design.txt was a stale copy of the old scheduler. Remove it. Reported-by: Fabio Checconi <fabio@gandalf.sssup.it> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* sched: better rt-group documentationViktor Radnai2008-04-191-35/+153
| | | | | | | | Viktor was nice enough to enhance the document based on my replies to his questions on the subject. Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl> Signed-off-by: Ingo Molnar <mingo@elte.hu>
* Move sched-rt-group.txt to scheduler/J. Bruce Fields2008-04-112-0/+61
| | | | | Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
* Typo in Documentation/scheduler/sched-stats.txtMasatake YAMATO2008-03-111-1/+1
| | | | | | | | | | I have found a very small typo in Documentation/scheduler/sched-stats.txt. See the end of this mail. Signed-off-by: Masatake YAMATO <yamato@redhat.com> Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Documentation: create new scheduler/ subdirectoryJ. Bruce Fields2008-02-078-0/+916
The top-level Documentation/ directory is unmanageably large, so we should take any obvious opportunities to move stuff into subdirectories. These sched-*.txt files seem an obvious easy case. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Cc: Ingo Molnar <mingo@elte.hu> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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