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Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img conv
From: |
Nir Soffer |
Subject: |
Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device |
Date: |
Thu, 13 Dec 2018 23:53:47 +0200 |
On Thu, Dec 13, 2018 at 11:14 PM De Backer, Fred (Nokia - BE/Antwerp) <
address@hidden> wrote:
> > Indeed, performance traces are important for issues like this.
> See strace of both FC27 and FC29 attached
>
Looks like you traced only the main thread. All the I/O is done in other
threads.
These flags would be useful:
strace -o log -f -T -tt
Nir
- [Qemu-devel] Request for clarification on qemu-img convert behavior zeroing target host_device, De Backer, Fred (Nokia - BE/Antwerp), 2018/12/13
- Re: [Qemu-devel] Request for clarification on qemu-img convert behavior zeroing target host_device, Eric Blake, 2018/12/13
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, Kevin Wolf, 2018/12/13
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, Eric Blake, 2018/12/13
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, De Backer, Fred (Nokia - BE/Antwerp), 2018/12/13
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device,
Nir Soffer <=
- Message not available
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, De Backer, Fred (Nokia - BE/Antwerp), 2018/12/14
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, Kevin Wolf, 2018/12/14
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, De Backer, Fred (Nokia - BE/Antwerp), 2018/12/14
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, Richard W.M. Jones, 2018/12/14
- Re: [Qemu-devel] [Qemu-block] Request for clarification on qemu-img convert behavior zeroing target host_device, Daniel P . Berrangé, 2018/12/14