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Re: [Qemu-block] [Qemu-devel] [PATCH v2 0/5] block: Introduce qemu-img b
From: |
Stefan Hajnoczi |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH v2 0/5] block: Introduce qemu-img bench |
Date: |
Tue, 7 Jun 2016 14:55:31 +0100 |
User-agent: |
Mutt/1.6.1 (2016-04-27) |
On Mon, Jun 06, 2016 at 02:45:57PM +0200, Kevin Wolf wrote:
> After merging Den's qcow2 patch to avoid duplicated flushes, I thought I would
> be nice to reproduce the problem and I remembered 'qemu-img bench', which I
> had
> posted before as part of more than one RFC series, but which never made it to
> master somehow. So here is a rebased and cleaned up version of it, just by
> itself, so that it hopefully can be merged finally.
>
> Of course, I failed to actually reproduce the problem on my laptop. Who knows,
> something on my system might be more intelligent about useless flushes, or
> maybe I just misunderstood what the problematic scenario looks like at the
> block level. Doesn't make the tool less useful, though, and I already did the
> rebasing.
>
> v2:
> - Added --pattern=... option for writes [Den]
> - Added --no-drain option for write+flush tests [Den]
>
> Kevin Wolf (5):
> qemu-img bench
> qemu-img bench: Sequential writes
> qemu-img bench: Make start offset configurable
> qemu-img bench: Implement -S (step size)
> qemu-img bench: Add --flush-interval
>
> qemu-img-cmds.hx | 6 +
> qemu-img.c | 329
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++
> qemu-img.texi | 24 ++++
> 3 files changed, 359 insertions(+)
>
> --
> 1.8.3.1
>
>
Reviewed-by: Stefan Hajnoczi <address@hidden>
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- [Qemu-block] [PATCH v2 0/5] block: Introduce qemu-img bench, Kevin Wolf, 2016/06/06
- [Qemu-block] [PATCH v2 1/5] qemu-img bench, Kevin Wolf, 2016/06/06
- [Qemu-block] [PATCH v2 2/5] qemu-img bench: Sequential writes, Kevin Wolf, 2016/06/06
- [Qemu-block] [PATCH v2 5/5] qemu-img bench: Add --flush-interval, Kevin Wolf, 2016/06/06
- [Qemu-block] [PATCH v2 3/5] qemu-img bench: Make start offset configurable, Kevin Wolf, 2016/06/06
- [Qemu-block] [PATCH v2 4/5] qemu-img bench: Implement -S (step size), Kevin Wolf, 2016/06/06
- Re: [Qemu-block] [Qemu-devel] [PATCH v2 0/5] block: Introduce qemu-img bench,
Stefan Hajnoczi <=
- Re: [Qemu-block] [PATCH v2 0/5] block: Introduce qemu-img bench, Kevin Wolf, 2016/06/07