On 11/05/2009 09:09 PM, Erik Rull wrote:
Can you describe how performance suffers?
Please provide vmstat (for host int/sec) and kvm_stat -l -f
'exits|irq_exits' output.
I'm sorry, but my target system has no python installed. Any ideas how
to do that manually?
Try the attached bash
On 11/05/2009 09:03 PM, Erik Rull wrote:
qemu -cpu host,-flag
I tried that value, result is an error:
Unable to find x86 CPU definition
Please use qemu-kvm.git for this test.
--
error compiling committee.c: too many arguments to function
--
To unsubscribe from this list: send the line
Marcelo Tosatti wrote:
Tomasz,
The screenshots seem to indicate a paravirt mmu problem.
Try to patch the x86.c file from kvm kernel module with:
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
- case KVM_CAP_PV_MMU:
- r = !tdp_enabled;
+ case KVM_CAP_PV_MMU:
* Gleb Natapov g...@redhat.com wrote:
On Mon, Nov 02, 2009 at 05:29:41PM +0100, Ingo Molnar wrote:
* Gleb Natapov g...@redhat.com wrote:
On Mon, Nov 02, 2009 at 05:12:48PM +0100, Ingo Molnar wrote:
* Gleb Natapov g...@redhat.com wrote:
On Mon, Nov 02, 2009 at
On Fri, Nov 06, 2009 at 03:29:17PM +1030, Rusty Russell wrote:
On Thu, 5 Nov 2009 02:27:24 am Michael S. Tsirkin wrote:
What it is: vhost net is a character device that can be used to reduce
the number of system calls involved in virtio networking.
Hi Michael,
Now everyone else has
On 11/04/2009 07:06 PM, Andrew Olney wrote:
Host is ext3
Linux monkamu 2.6.31-14-generic #48-Ubuntu SMP Fri Oct 16 14:04:26 UTC
2009 i686 GNU/Linux
QEMU PC emulator version 0.11.0 (qemu-kvm-0.11.0), Copyright (c)
2003-2008 Fabrice Bellard
If you convert a qcow image back to raw on
On 11/08/2009 01:36 PM, Ingo Molnar wrote:
Three existing callbacks are: kmemcheck, mmiotrace, notifier. Two
of them kmemcheck, mmiotrace are enabled only for debugging, should
not be performance concern. And notifier call sites (two of them)
are deliberately, as explained by comment, not at the
On 11/07/2009 10:13 PM, Kurt Kiefer wrote:
Hi guys,
I'm trying to record the instruction pointer at the exact time a guest
was delivered an IOAPIC interrupt. Take for example a PS2 keyboard
press. Clearly, when I read IP during the subsequent exit for
IO_INSTRUCTION I'm just recording the IP
* Avi Kivity a...@redhat.com wrote:
On 11/08/2009 01:36 PM, Ingo Molnar wrote:
Three existing callbacks are: kmemcheck, mmiotrace, notifier. Two
of them kmemcheck, mmiotrace are enabled only for debugging, should
not be performance concern. And notifier call sites (two of them)
are
On 11/08/2009 02:51 PM, Ingo Molnar wrote:
Maybe we should generalize paravirt-ops patching in case if (x) f() is
deemed too expensive.
Yes, that's a nice idea. We have quite a number of 'conditional
callbacks' in various critical paths that could be made lighter via such
a technique.
It
* Avi Kivity a...@redhat.com wrote:
On 11/08/2009 02:51 PM, Ingo Molnar wrote:
Maybe we should generalize paravirt-ops patching in case if (x) f() is
deemed too expensive.
Yes, that's a nice idea. We have quite a number of 'conditional
callbacks' in various critical paths that could be made
On 11/04/2009 07:41 PM, Saul Tamari wrote:
This patch reduces the size of memory being cleared on every virtio-blk IO.
On every virtio-blk IO passed to QEMU, virtio_blk_alloc_request()
allocates and clears (with qemu_mallocz()) a VirtIOBlockReq object.
The sizeof(VirtIOBlockReq) equals 41040
On 11/08/2009 03:05 PM, Ingo Molnar wrote:
We can take the immediate values infrastructure as a first step. Has
that been merged?
No, there were doubts about whether patching in live instructions like
that is safe on all CPU types.
Ah, I remember. Doesn't the trick of going through
On 11/08/2009 04:51 AM, Ingo Molnar wrote:
* Avi Kivity a...@redhat.com wrote:
On 11/08/2009 01:36 PM, Ingo Molnar wrote:
Three existing callbacks are: kmemcheck, mmiotrace, notifier. Two
of them kmemcheck, mmiotrace are enabled only for debugging, should
not be performance concern. And
* H. Peter Anvin h...@zytor.com wrote:
On 11/08/2009 04:51 AM, Ingo Molnar wrote:
* Avi Kivity a...@redhat.com wrote:
On 11/08/2009 01:36 PM, Ingo Molnar wrote:
Three existing callbacks are: kmemcheck, mmiotrace, notifier. Two
of them kmemcheck, mmiotrace are enabled only for
Hi all!
I'm using KVM-88 compiled by myself from the source code provided by the
official site of the project.
Is this version of KVM vulnerable to the mentioned thing in the
DSA-1907-1 [1]? In such case, there is some published patch that can be
applied or some new version that solves this?
On Sun, Nov 08, 2009 at 02:39:59PM +1030, Rusty Russell wrote:
On Sat, 7 Nov 2009 03:00:07 am Paul E. McKenney wrote:
On Fri, Nov 06, 2009 at 03:31:20PM +1030, Rusty Russell wrote:
But it's still nasty to use half an API. If it were a few places I would
have open-coded it with a comment,
Hello:
I don't think there is a way to do this with KVM, but
I figured I would ask:
I want to be able to offer virtual private servers (VPSs)
to clients. I am going to use KVM for it.
I would like to offer clients the option to buy either:
1. A VPS which allows CPUs to be overcommitted.
2. A
Neil Aggarwal napsal(a):
Hello:
I don't think there is a way to do this with KVM, but
I figured I would ask:
I want to be able to offer virtual private servers (VPSs)
to clients. I am going to use KVM for it.
I would like to offer clients the option to buy either:
1. A VPS which
Bugs item #2894352, was opened at 2009-11-09 03:03
Message generated for change (Tracker Item Submitted) made by pawelwalaszek
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2894352group_id=180599
Please note that this message will contain a full copy of
Bugs item #2894352, was opened at 2009-11-09 03:03
Message generated for change (Settings changed) made by pawelwalaszek
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2894352group_id=180599
Please note that this message will contain a full copy of the
I think you can achieve that on some simple level DIY with
taskset from
util-linux(-ng).
That is a good utility to know. I did not know about that
earlier. Thanks for the info.
I am wondering one thing though:
I will either need to call taskset when executing the
process or run taskset on
On Sun November 8 2009, Neil Aggarwal wrote:
I think you can achieve that on some simple level DIY with
taskset from
util-linux(-ng).
That is a good utility to know. I did not know about that
earlier. Thanks for the info.
I am wondering one thing though:
I will either need to
Hi all,
It has been a while coming, but we have finally started work on
Kemari's port to KVM. For those not familiar with it, Kemari provides
the basic building block to create a virtualization-based fault
tolerant machine: a virtual machine synchronization mechanism.
Traditional high
None directly related, but libvirt's kvm support supports
pinning a vm to a
physical cpu. At least it has the option in virt-manager.
That is exactly what I needed.
My KVM host does not have a GUI so I have been using
virsh. I did not notice that option before.
Thank you,
Neil
--
Bugs item #2847560, was opened at 2009-08-30 22:58
Message generated for change (Settings changed) made by jiajun
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2847560group_id=180599
Please note that this message will contain a full copy of the comment
On Sun, 8 Nov 2009 10:05:16 pm Michael S. Tsirkin wrote:
On Fri, Nov 06, 2009 at 03:29:17PM +1030, Rusty Russell wrote:
+/* Caller must have TX VQ lock */
+static void tx_poll_stop(struct vhost_net *net)
+{
+ if (likely(net-tx_poll_state != VHOST_NET_POLL_STARTED))
+
On Mon, Nov 9, 2009 at 8:17 AM, Rusty Russell ru...@rustcorp.com.au wrote:
+static void vhost_net_set_features(struct vhost_net *n, u64 features)
+{
+ size_t hdr_size = features (1 VHOST_NET_F_VIRTIO_NET_HDR) ?
+ sizeof(struct virtio_net_hdr) : 0;
+ int i;
+
On Mon, Nov 09, 2009 at 04:47:29PM +1030, Rusty Russell wrote:
On Sun, 8 Nov 2009 10:05:16 pm Michael S. Tsirkin wrote:
On Fri, Nov 06, 2009 at 03:29:17PM +1030, Rusty Russell wrote:
+/* Caller must have TX VQ lock */
+static void tx_poll_stop(struct vhost_net *net)
+{
+
29 matches
Mail list logo
