From: Steven Sistare <steven.sistare@oracle.com>
To: Valentin Schneider <valentin.schneider@arm.com>,
mingo@redhat.com, peterz@infradead.org
Cc: subhra.mazumdar@oracle.com, dhaval.giani@oracle.com,
daniel.m.jordan@oracle.com, pavel.tatashin@microsoft.com,
matt@codeblueprint.co.uk, umgwanakikbuti@gmail.com,
riel@redhat.com, jbacik@fb.com, juri.lelli@redhat.com,
vincent.guittot@linaro.org, quentin.perret@arm.com,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 00/10] steal tasks to improve CPU utilization
Date: Fri, 9 Nov 2018 07:58:16 -0500 [thread overview]
Message-ID: <5efbd7e0-4c29-adfb-dfea-3b162296491e@oracle.com> (raw)
In-Reply-To: <7fd88831-2745-5697-e9a0-fa30e3de02b0@oracle.com>
On 11/6/2018 1:14 PM, Steven Sistare wrote:
> On 11/6/2018 12:52 PM, Valentin Schneider wrote:
>> Hi Steve,
>>
>> On 05/11/2018 20:07, Steve Sistare wrote:
>> [...]
>>> The patch series is based on kernel 4.19.0-rc7. It compiles, boots, and
>>> runs with/without each of CONFIG_SCHED_SMT, CONFIG_SMP, CONFIG_SCHED_DEBUG,
>>> and CONFIG_PREEMPT. It runs without error with CONFIG_DEBUG_PREEMPT +
>>> CONFIG_SLUB_DEBUG + CONFIG_DEBUG_PAGEALLOC + CONFIG_DEBUG_MUTEXES +
>>> CONFIG_DEBUG_SPINLOCK + CONFIG_DEBUG_ATOMIC_SLEEP. CPU hot plug and CPU
>>> bandwidth control were tested.
>>
>> There are some conflicts with misfit on 4.20-rc1 (nothing major, just that
>> misfit logic appeared where the stealing logic wants to land), and git
>> gets lost after a few conflict resolutions.
>>
>> It's fine for testing on 4.19 - I just apply the misfit series then merge
>> a branch with the steal patches to fix it all at once - but it makes
>> playing around with 4.20-rc* more tedious.
>
> Thanks for powering through the merge. I will update the patch for 4.20.
In a moment I will email V3 of the series updated for 4.20-rc1. No code changes,
context changes only.
- Steve
prev parent reply other threads:[~2018-11-09 12:58 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-05 20:07 [PATCH v2 00/10] steal tasks to improve CPU utilization Steve Sistare
2018-11-05 20:08 ` [PATCH v2 01/10] sched: Provide sparsemask, a reduced contention bitmap Steve Sistare
2018-11-05 20:08 ` [PATCH v2 02/10] sched/topology: Provide hooks to allocate data shared per LLC Steve Sistare
2018-11-05 20:08 ` [PATCH v2 03/10] sched/topology: Provide cfs_overload_cpus bitmap Steve Sistare
2018-11-05 20:08 ` [PATCH v2 04/10] sched/fair: Dynamically update cfs_overload_cpus Steve Sistare
2018-11-05 20:08 ` [PATCH v2 05/10] sched/fair: Hoist idle_stamp up from idle_balance Steve Sistare
2018-11-05 20:08 ` [PATCH v2 06/10] sched/fair: Generalize the detach_task interface Steve Sistare
2018-11-05 20:08 ` [PATCH v2 07/10] sched/fair: Provide can_migrate_task_llc Steve Sistare
2018-11-05 20:08 ` [PATCH v2 08/10] sched/fair: Steal work from an overloaded CPU when CPU goes idle Steve Sistare
2018-11-05 20:08 ` [PATCH v2 09/10] sched/fair: disable stealing if too many NUMA nodes Steve Sistare
2018-11-05 20:08 ` [PATCH v2 10/10] sched/fair: Provide idle search schedstats Steve Sistare
2018-11-06 17:52 ` [PATCH v2 00/10] steal tasks to improve CPU utilization Valentin Schneider
2018-11-06 18:14 ` Steven Sistare
2018-11-09 12:58 ` Steven Sistare [this message]
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