On Fri, May 28, 2010 at 05:45:57PM -0400, Steven Rostedt wrote:
On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote:
I get parse errors when using Steven Rostedt's trace-cmd tool, too.
Any ideas what is going on here? I can provide more info (e.g. trace
files) if necessary.
Does
On 05/24/2010 12:47 AM, Stefan Hajnoczi wrote:
On Sun, May 23, 2010 at 5:18 PM, Antoine Martin anto...@nagafix.co.uk wrote:
Why does it work in a chroot for the other options (aio=native, if=ide, etc)
but not for aio!=native??
Looks like I am misunderstanding the semantics of chroot...
It
On Sat, May 29, 2010 at 10:42 AM, Antoine Martin anto...@nagafix.co.uk wrote:
Can someone explain the aio options?
All I can find is this:
# qemu-system-x86_64 -h | grep -i aio
[,addr=A][,id=name][,aio=threads|native]
I assume it means the aio=threads emulates the kernel's aio with
On Sat, May 29, 2010 at 04:42:59PM +0700, Antoine Martin wrote:
Can someone explain the aio options?
All I can find is this:
# qemu-system-x86_64 -h | grep -i aio
[,addr=A][,id=name][,aio=threads|native]
I assume it means the aio=threads emulates the kernel's aio with
separate
On Sat, May 29, 2010 at 10:55:18AM +0100, Stefan Hajnoczi wrote:
I would expect that aio=native is faster but benchmarks show that this
isn't true for all workloads.
In what benchmark do you see worse results for aio=native compared to
aio=threads?
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On Sat, May 29, 2010 at 11:34 AM, Christoph Hellwig h...@infradead.org wrote:
In what benchmark do you see worse results for aio=native compared to
aio=threads?
Sequential reads using 4 concurrent dd if=/dev/vdb iflag=direct
of=/dev/null bs=8k processes. 2 vcpu guest with 4 GB RAM, virtio
On 05/29/2010 12:45 AM, Steven Rostedt wrote:
On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote:
I get parse errors when using Steven Rostedt's trace-cmd tool, too.
Any ideas what is going on here? I can provide more info (e.g. trace
files) if necessary.
Does trace-cmd fail
On Saturday 29 May 2010, Tom Lyon wrote:
+/*
+ * Structure for DMA mapping of user buffers
+ * vaddr, dmaaddr, and size must all be page aligned
+ * buffer may only be larger than 1 page if (a) there is
+ * an iommu in the system, or (b) buffer is part of a huge page
+ */
+struct
On 05/29/2010 02:55 PM, Arnd Bergmann wrote:
On Saturday 29 May 2010, Tom Lyon wrote:
+/*
+ * Structure for DMA mapping of user buffers
+ * vaddr, dmaaddr, and size must all be page aligned
+ * buffer may only be larger than 1 page if (a) there is
+ * an iommu in the system, or (b) buffer
On Sat, 2010-05-29 at 14:50 +0300, Avi Kivity wrote:
On 05/29/2010 12:45 AM, Steven Rostedt wrote:
On Fri, 2010-05-28 at 17:42 +0100, Stefan Hajnoczi wrote:
I get parse errors when using Steven Rostedt's trace-cmd tool, too.
Any ideas what is going on here? I can provide more info
Hey,
You have to check this out if your a webmaster. http://www.traffictractor.com
is giving away thousands of opt in emails.
This is huge! Everyone is talking about it now. With these opt in email
addresses you can do so much. It takes years and a lot of money to build a list
from scratch
Hi, everyone,
I 'm here ask how to unbind the device from guest to host with vt-d.
I use the /sys/bus/pci/driver/pci-stub/remove_id
and the /sys/bus/pci/driver/pci-stub/unbind
but I can't find the dir : /sys/bus/pci/device/:09:00.0/driver .
So I can't bind the driver back to host system any
On Tue, 2010-05-18 at 04:18 -0700, Nicholas A. Bellinger wrote:
On Tue, 2010-05-18 at 11:43 +0200, Hannes Reinecke wrote:
Nicholas A. Bellinger wrote:
On Fri, 2010-05-14 at 02:42 -0700, Nicholas A. Bellinger wrote:
Greetings Hannes,
So I spent some more time with XP guests this
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