From: Jens Axboe <axboe@kernel.dk>
To: Paolo Valente <paolo.valente@linaro.org>
Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org,
ulf.hansson@linaro.org, broonie@kernel.org,
linus.walleij@linaro.org, angeloruocco90@gmail.com,
bfq-iosched@googlegroups.com
Subject: Re: [PATCH IMPROVEMENT] block, bfq: consider recent past to reduce soft-real-time false positives
Date: Fri, 5 Jan 2018 09:31:44 -0700 [thread overview]
Message-ID: <7d611782-5750-6faf-fac6-8709c75a66ca@kernel.dk> (raw)
In-Reply-To: <20171215062312.1836-1-paolo.valente@linaro.org>
On 12/14/17 11:23 PM, Paolo Valente wrote:
> Hi,
> this patch reduces false positives in the detection of bfq_queues
> associated with soft real-time applications. As such, this patch
> reduces the damages caused by these false positives to other
> applications. The patch proved to be very effective, as detailed in
> the commit message. A sort of counterpart of this patch should follow
> soon, this time for false positives in the detection of cooperating
> processes (processes doing I/O close to each other).
>
> I guess it is evidently too late for 4.15, so, Jens, please consider
> this patch for 4.16. Of course if the patch turns out to be ok.
Added for 4.16, thanks.
--
Jens Axboe
prev parent reply other threads:[~2018-01-05 16:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-12-15 6:23 [PATCH IMPROVEMENT] block, bfq: consider recent past to reduce soft-real-time false positives Paolo Valente
2017-12-15 6:23 ` [PATCH IMPROVEMENT] block, bfq: consider also past I/O in soft real-time detection Paolo Valente
2017-12-16 19:01 ` Lee Tibbert
2017-12-16 19:16 ` Lee Tibbert
2018-01-05 16:31 ` Jens Axboe [this message]
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