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From: Fam Zheng <famz@redhat.com>
To: "Benoît Canet" <benoit.canet@irqsave.net>
Cc: Kevin Wolf <kwolf@redhat.com>,
	pbonzini@redhat.com, qemu-devel@nongnu.org,
	Stefan Hajnoczi <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v2 5/5] qemu-iotests: Add 080 for IO throttling
Date: Tue, 11 Feb 2014 14:39:53 +0800	[thread overview]
Message-ID: <20140211063953.GA12675@T430.nay.redhat.com> (raw)
In-Reply-To: <20140210123233.GD3088@irqsave.net>

On Mon, 02/10 13:32, Benoît Canet wrote:
> Le Friday 07 Feb 2014 à 18:43:33 (+0800), Fam Zheng a écrit :
> > +        nsec_per_sec = 1000000000
> > +
> > +        # With current interface we can't set burst to 0, they will be override
> > +        # to bps / 10 and iops / 10. Setting to 1 workarounds this and gets to
> > +        # a close effect as no burst, which is good enough for us
> > +        limits['bps_max'] = 1
> > +        limits['iops_max'] = 1
> Maybe the code should also set *rd_max = 1 and *wr_max= 1 to make the *_rd_* and
> *_wr_* tests more accurate.

The code doesn't allow setting bps_rd_max together with bps_max. I think
bps_max has enough effective on burst, so it's not strictly necessary.

Fam

      reply	other threads:[~2014-02-11  6:40 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-02-07 10:43 [Qemu-devel] [PATCH v2 0/5] qemu-iotests: Test case for IO throttling Fam Zheng
2014-02-07 10:43 ` [Qemu-devel] [PATCH v2 1/5] qemu-io: Account IO by aio_read and aio_write Fam Zheng
2014-02-10 11:49   ` Benoît Canet
2014-02-07 10:43 ` [Qemu-devel] [PATCH v2 2/5] qtest: Add scripts/qtest/qtest.py Fam Zheng
2014-02-10 12:04   ` Benoît Canet
2014-02-07 10:43 ` [Qemu-devel] [PATCH v2 3/5] qemu-iotests: Add VM method qtest() to iotests.py Fam Zheng
2014-02-10 12:11   ` Benoît Canet
2014-02-07 10:43 ` [Qemu-devel] [PATCH v2 4/5] qemu-iotests: Allow caller to disable underscore convertion for qmp Fam Zheng
2014-02-07 10:43 ` [Qemu-devel] [PATCH v2 5/5] qemu-iotests: Add 080 for IO throttling Fam Zheng
2014-02-10 12:32   ` Benoît Canet
2014-02-11  6:39     ` Fam Zheng [this message]

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