[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img conve
From: |
Dmitry Konishchev |
Subject: |
Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated() |
Date: |
Wed, 15 Jun 2011 11:38:27 +0400 |
On Tue, Jun 14, 2011 at 7:58 PM, Stefan Hajnoczi <address@hidden> wrote:
> Yes, please.
OK, I'll do it as soon I'll find time for it.
On Tue, Jun 14, 2011 at 7:58 PM, Stefan Hajnoczi <address@hidden> wrote:
> For image files the block layer should be caching the device capacity (size)
> anyway, so you probably don't need to allocate the array, just call
> bdrv_get_geometry(). That might make it easier to write a self-contained
> function.
I've tried to not cache, but it turned out that bdrv_get_geometry()
calls are quite noticeable in profiler without caching.
--
Дмитрий Конищев (Dmitry Konishchev)
mailto:address@hidden
- [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/08
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/13
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/13
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/14
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/14
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(),
Dmitry Konishchev <=
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/15
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/16
- Re: [Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Stefan Hajnoczi, 2011/06/17
[Qemu-devel] [PATCH] CPU consumption optimization of 'qemu-img convert' using bdrv_is_allocated(), Dmitry Konishchev, 2011/06/15