Hi,
On 18/01/19 10:34, Quentin Perret wrote:
> Hi Rafael,
>
> On Friday 18 Jan 2019 at 10:57:08 (+0100), Rafael J. Wysocki wrote:
> > On Fri, Jan 18, 2019 at 10:16 AM Quentin Perret
> > wrote:
> > >
> > > Hi Juri,
> > >
> > > On T
Hi,
On 10/01/19 11:05, Quentin Perret wrote:
> Add some documentation detailing the main design points of EAS, as well
> as a list of its dependencies.
>
> Parts of this documentation are taken from Morten Rasmussen's original
> EAS posting: https://lkml.org/lkml/2015/7/7/754
>
> Reviewed-by: Qa
Hi,
On 10/01/19 11:05, Quentin Perret wrote:
> Introduce a documentation file summarizing the key design points and
> APIs of the newly introduced Energy Model framework.
>
> Signed-off-by: Quentin Perret
Looks good to me.
Reviewed-by: Juri Lelli
Best,
- Juri
On 25/05/18 11:31, Patrick Bellasi wrote:
[...]
> Right, so the problem seems to be that we "need" to call
> arch_update_cpu_topology() and we do that by calling
> partition_sched_domains() which was initially introduced by:
>
>029190c515f1 ("cpuset sched_load_balance flag")
>
> back in 200
On 24/05/18 11:09, Waiman Long wrote:
> On 05/24/2018 10:36 AM, Juri Lelli wrote:
> > On 17/05/18 16:55, Waiman Long wrote:
> >
> > [...]
> >
> >> + A parent cgroup cannot distribute all its CPUs to child
> >> + scheduling domain cgroups unless
On 17/05/18 16:55, Waiman Long wrote:
[...]
> + A parent cgroup cannot distribute all its CPUs to child
> + scheduling domain cgroups unless its load balancing flag is
> + turned off.
> +
> + cpuset.sched.load_balance
> + A read-write single value file which exists on non-root
>
On 24/05/18 10:04, Patrick Bellasi wrote:
[...]
> From 84bb8137ce79f74849d97e30871cf67d06d8d682 Mon Sep 17 00:00:00 2001
> From: Patrick Bellasi
> Date: Wed, 23 May 2018 16:33:06 +0100
> Subject: [PATCH 1/1] cgroup/cpuset: disable sched domain rebuild when not
> required
>
> The generate_sched
On 17/05/18 16:55, Waiman Long wrote:
[...]
> @@ -849,7 +860,12 @@ static void rebuild_sched_domains_locked(void)
>* passing doms with offlined cpu to partition_sched_domains().
>* Anyways, hotplug work item will rebuild sched domains.
>*/
> - if (!cpumask_equal(top_cp
Hi,
On 17/05/18 16:55, Waiman Long wrote:
> This patch enables us to report sched domain generation information.
>
> If DYNAMIC_DEBUG is enabled, issuing the following command
>
> echo "file cpuset.c +p" > /sys/kernel/debug/dynamic_debug/control
>
> and setting loglevel to 8 will allow the ke
Hi,
On 17/05/18 16:55, Waiman Long wrote:
[...]
> /**
> + * update_isolated_cpumask - update the isolated_cpus mask of parent cpuset
> + * @cpuset: The cpuset that requests CPU isolation
> + * @oldmask: The old isolated cpumask to be removed from the parent
> + * @newmask: The new isolated cpu
P-state selection algorithm (powersave or performance) is selected by
echoing the desired choice to scaling_governor sysfs attribute and not
to scaling_cur_freq (as currently stated).
Fix it.
Signed-off-by: Juri Lelli
Cc: Jonathan Corbet
Cc: "Rafael J. Wysocki"
Cc: Srinivas Pand
On 19/04/18 09:47, Waiman Long wrote:
[...]
> + cpuset.cpus.isolated
> + A read-write multiple values file which exists on root cgroup
> + only.
> +
> + It lists the CPUs that have been withdrawn from the root cgroup
> + for load balancing. These CPUs can still be allocated to c
On 23/04/18 15:07, Juri Lelli wrote:
> Hi Waiman,
>
> On 19/04/18 09:46, Waiman Long wrote:
> > v7:
> > - Add a root-only cpuset.cpus.isolated control file for CPU isolation.
> > - Enforce that load_balancing can only be turned off on cpusets with
> &g
Hi Waiman,
On 19/04/18 09:46, Waiman Long wrote:
> v7:
> - Add a root-only cpuset.cpus.isolated control file for CPU isolation.
> - Enforce that load_balancing can only be turned off on cpusets with
>CPUs from the isolated list.
> - Update sched domain generation to allow cpusets with CPUs
On 26/03/18 16:28, Waiman Long wrote:
> On 03/26/2018 08:47 AM, Juri Lelli wrote:
> > On 23/03/18 14:44, Waiman Long wrote:
> >> On 03/23/2018 03:59 AM, Juri Lelli wrote:
> > [...]
> >
> >>> OK, thanks for confirming. Can you tell again howeve
On 23/03/18 14:44, Waiman Long wrote:
> On 03/23/2018 03:59 AM, Juri Lelli wrote:
[...]
> > OK, thanks for confirming. Can you tell again however why do you think
> > we need to remove sched_load_balance from root level? Won't we end up
> > having tasks put on isolated
On 22/03/18 17:50, Waiman Long wrote:
> On 03/22/2018 04:41 AM, Juri Lelli wrote:
> > On 21/03/18 12:21, Waiman Long wrote:
[...]
> >> + cpuset.sched_load_balance
> >> + A read-write single value file which exists on non-root cgroups.
> >> + The default
Hi Waiman,
On 21/03/18 12:21, Waiman Long wrote:
> The sched_load_balance flag is needed to enable CPU isolation similar
> to what can be done with the "isolcpus" kernel boot parameter.
>
> The sched_load_balance flag implies an implicit !cpu_exclusive as
> it doesn't make sense to have an isolat
Commit d92a8cfcb37e ("locking/lockdep: Rework FS_RECLAIM annotation") removed
reclaim_fs lockdep STATE.
Reflect the change in documentation.
While we are at it, also clarify formula to calculate number of state
bits.
Signed-off-by: Juri Lelli
Cc: Peter Zijlstra
Cc: Ingo Molnar
Cc
Add section about annotations that can be used to perform additional runtime
checking of locking correctness: assert that certain locks are held and
prevent accidental unlocking.
Signed-off-by: Juri Lelli
Cc: Peter Zijlstra
Cc: Ingo Molnar
Cc: Jonathan Corbet
Cc: linux-ker...@vger.kernel.org
pretty new and maybe got unnoticed
outside of the scheduler?).
Best,
- Juri
Juri Lelli (2):
Documentation/locking/lockdep: update info about states
Documentation/locking/lockdep: Add section about available annotations
Documentation/locking/lockdep-design.txt | 51
Add documentation for SCHED_DEADLINE cgroup support (CONFIG_DEADLINE_
GROUP_SCHED config option).
Signed-off-by: Juri Lelli
Cc: Ingo Molnar
Cc: Peter Zijlstra
Cc: Tejun Heo
Cc: Jonathan Corbet
Cc: Luca Abeni
Cc: linux-ker...@vger.kernel.org
Cc: linux-doc@vger.kernel.org
---
Documentation
Commit 3ca0ff571b09 ("locking/mutex: Rework mutex::owner") reworked the
basic mutex implementation to deal with several problems. Documentation
was however left unchanged and became stale.
Update mutex-design.txt to reflect changes introduced by the above commit.
Signed-off-by: Juri
off-by: Daniel Bristot de Oliveira
> Cc: Jonathan Corbet
> Cc: Juri Lelli
> Cc: Luca Abeni
> Cc: Tommaso Cucinotta
> Cc: Claudio Scordino
> Cc: Peter Zijlstra
> Cc: linux-doc@vger.kernel.org
> Cc: linux-ker...@vger.kernel.org
>
> ---
> Documentation/scheduler/sch
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