Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-28 Thread Stefan Hajnoczi
On Thu, Jul 28, 2011 at 6:43 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-28 Thread Stefan Hajnoczi
On Thu, Jul 28, 2011 at 9:20 AM, Stefan Hajnoczi stefa...@gmail.com wrote: On Thu, Jul 28, 2011 at 6:43 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-28 Thread Zhi Yong Wu
On Thu, Jul 28, 2011 at 4:25 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Thu, Jul 28, 2011 at 9:20 AM, Stefan Hajnoczi stefa...@gmail.com wrote: On Thu, Jul 28, 2011 at 6:43 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-28 Thread Marcelo Tosatti
On Thu, Jul 28, 2011 at 12:24:48PM +0800, Zhi Yong Wu wrote: On Wed, Jul 27, 2011 at 11:49 PM, Marcelo Tosatti mtosa...@redhat.com wrote: On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote: +        wait_time = 1; +    } + +    wait_time = wait_time + (slice_time -

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-28 Thread Zhi Yong Wu
On Thu, Jul 28, 2011 at 10:42 PM, Marcelo Tosatti mtosa...@redhat.com wrote: On Thu, Jul 28, 2011 at 12:24:48PM +0800, Zhi Yong Wu wrote: On Wed, Jul 27, 2011 at 11:49 PM, Marcelo Tosatti mtosa...@redhat.com wrote: On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote: +        

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Zhi Yong Wu
On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote: On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote: Welcome to give me your comments, thanks. Signed-off-by: Zhi Yong Wu wu...@linux.vnet.ibm.com ---  Makefile.objs     |    2 +-  block.c           |  288

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Stefan Hajnoczi
On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote: On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote: Welcome to give me your comments, thanks. Signed-off-by: Zhi Yong Wu

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Marcelo Tosatti
On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote: +        wait_time = 1; +    } + +    wait_time = wait_time + (slice_time - elapsed_time); +    if (wait) { +        *wait = wait_time * BLOCK_IO_SLICE_TIME * 10 + 1; +    } The guest can keep submitting requests where

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Zhi Yong Wu
On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote: On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote: Welcome

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Zhi Yong Wu
On Wed, Jul 27, 2011 at 11:49 PM, Marcelo Tosatti mtosa...@redhat.com wrote: On Wed, Jul 27, 2011 at 06:17:15PM +0800, Zhi Yong Wu wrote: +        wait_time = 1; +    } + +    wait_time = wait_time + (slice_time - elapsed_time); +    if (wait) { +        *wait = wait_time *

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-27 Thread Zhi Yong Wu
On Wed, Jul 27, 2011 at 8:58 PM, Stefan Hajnoczi stefa...@gmail.com wrote: On Wed, Jul 27, 2011 at 11:17 AM, Zhi Yong Wu zwu.ker...@gmail.com wrote: On Wed, Jul 27, 2011 at 3:26 AM, Marcelo Tosatti mtosa...@redhat.com wrote: On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote: Welcome

[Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-26 Thread Zhi Yong Wu
Welcome to give me your comments, thanks. Signed-off-by: Zhi Yong Wu wu...@linux.vnet.ibm.com --- Makefile.objs |2 +- block.c | 288 +++-- block.h |1 - block/blk-queue.c | 116 +

Re: [Qemu-devel] [PATCH v2 1/1] The codes V2 for QEMU disk I/O limits.

2011-07-26 Thread Marcelo Tosatti
On Tue, Jul 26, 2011 at 04:59:06PM +0800, Zhi Yong Wu wrote: Welcome to give me your comments, thanks. Signed-off-by: Zhi Yong Wu wu...@linux.vnet.ibm.com --- Makefile.objs |2 +- block.c | 288 +++-- block.h |