Re: [PATCH BUGFIX IMPROVEMENT V3 0/9] lock, bfq: fix bugs, reduce exec time and boost performance

From: Paolo Valente
Date: Tue Mar 26 2019 - 07:53:12 EST




> Il giorno 12 mar 2019, alle ore 09:59, Paolo Valente <paolo.valente@xxxxxxxxxx> ha scritto:
>
> Hi,
> this is the v3 of the series
> https://lkml.org/lkml/2019/3/10/138
> that fixes some bug affecting performance, reduces execution time a
> little bit, and boosts throughput and responsiveness.
>
> The difference w.r.t. v2 are new fixes to the patch "block, bfq: print
> SHARED instead of pid for shared queues in logs", after patient checks
> and suggestions by Holger and Oleksandr.
>

Hi Jens,
have you had time to look into this?

Thanks,
Paolo

> Thanks,
> Paolo
>
> Francesco Pollicino (2):
> block, bfq: print SHARED instead of pid for shared queues in logs
> block, bfq: save & resume weight on a queue merge/split
>
> Paolo Valente (7):
> block, bfq: increase idling for weight-raised queues
> block, bfq: do not idle for lowest-weight queues
> block, bfq: tune service injection basing on request service times
> block, bfq: do not merge queues on flash storage with queueing
> block, bfq: do not tag totally seeky queues as soft rt
> block, bfq: always protect newly-created queues from existing active
> queues
> doc, block, bfq: add information on bfq execution time
>
> Documentation/block/bfq-iosched.txt | 29 +-
> block/bfq-cgroup.c | 3 +-
> block/bfq-iosched.c | 786 +++++++++++++++++++++++-----
> block/bfq-iosched.h | 92 ++--
> block/bfq-wf2q.c | 2 +-
> 5 files changed, 729 insertions(+), 183 deletions(-)
>
> --
> 2.20.1