From: Pavel Machek <pavel@ucw.cz>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-block@vger.kernel.org, Jens Axboe <axboe@kernel.dk>,
linux-mmc@vger.kernel.org, linux-mtd@lists.infradead.org,
Paolo Valente <paolo.valente@linaro.org>,
Ulf Hansson <ulf.hansson@linaro.org>,
Richard Weinberger <richard@nod.at>,
Artem Bityutskiy <dedekind1@gmail.com>,
Adrian Hunter <adrian.hunter@intel.com>
Subject: Re: [PATCH] block: BFQ default for single queue devices
Date: Fri, 5 Oct 2018 10:04:57 +0200 [thread overview]
Message-ID: <20181005080457.GB14466@amd> (raw)
In-Reply-To: <20181002124329.21248-1-linus.walleij@linaro.org>
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Hi!
> I talked to Pavel a bit back and it turns out he has a
> usecase for BFQ as well and I bet he also would like it
> as default scheduler for that system (Pavel tell us more,
> I don't remember what it was!)
I'm not sure I remember clearly, either.
IIRC I was working with ionice on spinning disks, and it had no
effect. I switched to BFQ and suddenly ionice was effective.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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WARNING: multiple messages have this Message-ID (diff)
From: Pavel Machek <pavel@ucw.cz>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Jens Axboe <axboe@kernel.dk>,
Ulf Hansson <ulf.hansson@linaro.org>,
Paolo Valente <paolo.valente@linaro.org>,
Artem Bityutskiy <dedekind1@gmail.com>,
Richard Weinberger <richard@nod.at>,
linux-mmc@vger.kernel.org,
Adrian Hunter <adrian.hunter@intel.com>,
linux-block@vger.kernel.org, linux-mtd@lists.infradead.org
Subject: Re: [PATCH] block: BFQ default for single queue devices
Date: Fri, 5 Oct 2018 10:04:57 +0200 [thread overview]
Message-ID: <20181005080457.GB14466@amd> (raw)
In-Reply-To: <20181002124329.21248-1-linus.walleij@linaro.org>
[-- Attachment #1.1: Type: text/plain, Size: 564 bytes --]
Hi!
> I talked to Pavel a bit back and it turns out he has a
> usecase for BFQ as well and I bet he also would like it
> as default scheduler for that system (Pavel tell us more,
> I don't remember what it was!)
I'm not sure I remember clearly, either.
IIRC I was working with ionice on spinning disks, and it had no
effect. I switched to BFQ and suddenly ionice was effective.
Best regards,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-10-05 8:04 UTC|newest]
Thread overview: 104+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-02 12:43 [PATCH] block: BFQ default for single queue devices Linus Walleij
2018-10-02 12:43 ` Linus Walleij
2018-10-02 14:31 ` Jens Axboe
2018-10-02 14:31 ` Jens Axboe
2018-10-02 14:45 ` Linus Walleij
2018-10-02 14:45 ` Linus Walleij
2018-10-03 6:29 ` Paolo Valente
2018-10-03 6:29 ` Paolo Valente
2018-10-03 6:29 ` Paolo Valente
2018-10-03 6:53 ` Linus Walleij
2018-10-03 13:25 ` Jan Kara
2018-10-04 7:45 ` Johannes Thumshirn
2018-10-04 7:45 ` Johannes Thumshirn
2018-10-04 8:24 ` Andreas Herrmann
2018-10-03 7:05 ` Artem Bityutskiy
2018-10-03 7:05 ` Artem Bityutskiy
2018-10-03 7:05 ` Artem Bityutskiy
2018-10-03 7:18 ` Linus Walleij
2018-10-03 7:42 ` Damien Le Moal
2018-10-03 7:42 ` Damien Le Moal
2018-10-03 8:28 ` Linus Walleij
2018-10-03 8:53 ` Damien Le Moal
2018-10-03 8:53 ` Damien Le Moal
2018-10-03 8:53 ` Damien Le Moal
2018-10-03 15:53 ` Paolo Valente
2018-10-03 15:53 ` Paolo Valente
2018-10-03 17:34 ` Bryan Gurney
2018-10-04 8:21 ` Linus Walleij
2018-10-04 9:56 ` Ulf Hansson
2018-10-03 12:51 ` Christoph Hellwig
2018-10-03 12:51 ` Christoph Hellwig
2018-10-03 14:58 ` Bart Van Assche
2018-10-03 14:58 ` Bart Van Assche
2018-10-03 15:01 ` Christoph Hellwig
2018-10-03 15:01 ` Christoph Hellwig
2018-10-03 15:15 ` Bart Van Assche
2018-10-03 15:15 ` Bart Van Assche
2018-10-03 15:15 ` Bart Van Assche
2018-10-05 6:24 ` Christoph Hellwig
2018-10-05 6:24 ` Christoph Hellwig
2018-10-03 15:52 ` Paolo Valente
2018-10-03 15:52 ` Paolo Valente
2018-10-03 15:52 ` Paolo Valente
2018-10-03 11:49 ` Oleksandr Natalenko
2018-10-03 11:49 ` Oleksandr Natalenko
2018-10-03 11:49 ` Oleksandr Natalenko
2018-10-03 14:51 ` Mark Brown
2018-10-03 14:51 ` Mark Brown
2018-10-03 15:55 ` Paolo Valente
2018-10-03 15:55 ` Paolo Valente
2018-10-03 15:55 ` Paolo Valente
2018-10-03 16:00 ` Bart Van Assche
2018-10-03 16:00 ` Bart Van Assche
2018-10-03 16:00 ` Bart Van Assche
2018-10-03 16:04 ` Paolo Valente
2018-10-03 16:04 ` Paolo Valente
2018-10-03 16:04 ` Paolo Valente
2018-10-04 7:38 ` Jan Kara
2018-10-04 7:38 ` Jan Kara
2018-10-04 8:14 ` Linus Walleij
2018-10-04 10:13 ` Mark Brown
2018-10-04 15:10 ` Bart Van Assche
2018-10-04 15:10 ` Bart Van Assche
2018-10-04 15:26 ` Mark Brown
2018-10-05 9:49 ` Pavel Machek
2018-10-04 8:25 ` Linus Walleij
2018-10-03 15:54 ` Bart Van Assche
2018-10-03 15:54 ` Bart Van Assche
2018-10-03 15:54 ` Bart Van Assche
2018-10-03 16:02 ` Paolo Valente
2018-10-03 16:02 ` Paolo Valente
2018-10-03 16:02 ` Paolo Valente
2018-10-03 16:09 ` Paolo Valente
2018-10-03 17:22 ` Paolo Valente
2018-10-03 17:22 ` Paolo Valente
2018-10-04 19:25 ` Alan Cox
2018-10-04 19:25 ` Alan Cox
2018-10-04 20:09 ` Bart Van Assche
2018-10-04 20:39 ` Paolo Valente
2018-10-04 20:39 ` Paolo Valente
2018-10-04 22:42 ` Bart Van Assche
2018-10-05 9:16 ` Jan Kara
2018-10-06 3:12 ` Bart Van Assche
2018-10-06 6:46 ` Paolo Valente
2018-10-06 6:46 ` Paolo Valente
2018-10-06 6:46 ` Paolo Valente
2018-10-06 16:20 ` Bart Van Assche
2018-10-06 16:20 ` Bart Van Assche
2018-10-06 16:46 ` Paolo Valente
2018-10-06 16:46 ` Paolo Valente
2018-10-06 16:46 ` Paolo Valente
2018-10-05 9:28 ` Paolo Valente
2018-10-05 9:28 ` Paolo Valente
2018-10-05 6:24 ` Artem Bityutskiy
2018-10-05 6:24 ` Artem Bityutskiy
2018-10-04 20:19 ` Paolo Valente
2018-10-04 20:19 ` Paolo Valente
2018-10-02 21:28 ` Richard Weinberger
2018-10-02 21:28 ` Richard Weinberger
2018-10-03 15:51 ` Paolo Valente
2018-10-03 15:51 ` Paolo Valente
2018-10-03 15:51 ` Paolo Valente
2018-10-05 8:04 ` Pavel Machek [this message]
2018-10-05 8:04 ` Pavel Machek
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