Re: [PATCH v2 00/10] steal tasks to improve CPU utilization

From: Steven Sistare
Date: Fri Nov 09 2018 - 07:58:58 EST


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