On 04/05/2010 12:53 AM, Paul Brook wrote:
Surprising as there are ~10 descriptors being
polled, so ~1200 polls per second. Maybe epoll will help here.
I'm not sure where you get 1200 from. select will be called once per host
wakeup. i.e. if the USB controller is enabled then 1k times
On 03/31/2010 07:53 PM, Jiaqing Du wrote:
Hi,
We have some code about performance profiling in KVM. They are outputs
of a school project. Previous discussions in KVM, Perfmon2, and Xen
mailing lists helped us a lot. The code are NOT in a good shape and
are only used to demonstrated the
Hi,List,
I have an ibm X3650M2 box with two onboard broadcom NICs,I assign one
of the NIC to the KVM guest,I can see the NIC in the guest VM,but the
bnx2 driver can not load successfully,
is there any solution to fix this?
Host:fedora12 x86_64
/usr/bin/qemu-kvm -m 2048
On Sunday 04 April 2010 22.23:28 Held Bernhard wrote:
Am 04.04.2010 20:02, schrieb Dan Johansson:
On Sunday 04 April 2010 15.00:26 sudhir kumar wrote:
On Sun, Apr 4, 2010 at 5:47 PM, Dan Johansson k...@dmj.nu wrote:
Hi,
I am new to this list and to KVM (and qemu) so please be gentle
On Mon, Mar 29, 2010 at 4:41 PM, Badari Pulavarty pbad...@us.ibm.com wrote:
+static void handle_io_work(struct work_struct *work)
+{
+ struct vhost_blk_io *vbio;
+ struct vhost_virtqueue *vq;
+ struct vhost_blk *blk;
+ int i, ret = 0;
+ loff_t pos;
+
On Monday 05 April 2010 13.34:26 mathias dufresne wrote:
Hi,
For networks 1 and 2 (respectively 192.168.1.0/24 and 192.168.2.0/24, I'll
acll also network 3 for the last one) you'll have to use bridges.
For network 3 you can use vde which is quite simply to use and gives
possibility to add
On 04/05/2010 08:35 AM, Dan Johansson wrote:
On Monday 05 April 2010 13.34:26 mathias dufresne wrote:
Hi,
For networks 1 and 2 (respectively 192.168.1.0/24 and 192.168.2.0/24, I'll
acll also network 3 for the last one) you'll have to use bridges.
For network 3 you can use vde which is quite
On Monday 05 April 2010 17.31:22 Held Bernhard wrote:
Hi Dan!
But Still I get the following:
From the Host to the VM:
$ ssh r...@192.168.4.4
ssh: connect to host 192.168.4.4 port 22: Connection refused
And from the VM to the Host:
# ssh r...@192.168.4.1
ssh: connect to host
On Sun, 2010-04-04 at 14:14 +0300, Michael S. Tsirkin wrote:
On Fri, Apr 02, 2010 at 10:31:20AM -0700, Sridhar Samudrala wrote:
Make vhost scalable by creating a separate vhost thread per vhost
device. This provides better scaling across multiple guests and with
multiple interfaces in a
On Monday 05 April 2010 19.48:49 Bernhard Held wrote:
Am 05.04.2010 17:31, schrieb Held Bernhard:
Hi Dan!
But Still I get the following:
From the Host to the VM:
$ ssh r...@192.168.4.4
ssh: connect to host 192.168.4.4 port 22: Connection refused
And from the VM to the Host:
#
* Xiong Wang (xiong...@gmail.com) wrote:
I have an ibm X3650M2 box with two onboard broadcom NICs,I assign one
of the NIC to the KVM guest,I can see the NIC in the guest VM,but the
bnx2 driver can not load successfully,
is there any solution to fix this?
This device can not be successfully
Hello All,
I'm interested in adding nested VMX support to KVM in GSoC 2010 (among
other things). I see that Orit Wasserman has done some work in this
area, but it didn't get merged yet. The last patches were a few months
ago and I have not seen any substantial progress in that front ever
since.
I
On 04/05/2010 12:04 PM, Dan Johansson wrote:
Must I specify an IP for the br-eth3 interface?
You do not have to specify an IP address for the bridge.
In my case:
mainbr0 Link encap:Ethernet HWaddr mac
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX
Bugs item #2976863, was opened at 2010-03-26 02:44
Message generated for change (Comment added) made by mtosatti
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=893831aid=2976863group_id=180599
Please note that this message will contain a full copy of the comment
On Thu, Mar 25, 2010 at 05:02:56PM +0200, Avi Kivity wrote:
Log emulated instructions in ftrace, especially if they failed.
Signed-off-by: Avi Kivity a...@redhat.com
---
arch/x86/kvm/trace.h | 86
++
arch/x86/kvm/x86.c |4 ++
2
On Wed, Mar 24, 2010 at 01:22:37PM -0700, Badari Pulavarty wrote:
iovecs and buffers are user-space pointers (from the host kernel point
of view). They are
guest address. So, I don't need to do any set_fs tricks.
From verifying the code and using the sparse annotations it appears
that the
Index: linux-2.6/drivers/vhost/net.c
===
--- linux-2.6.orig/drivers/vhost/net.c 2010-04-05 21:13:24.196004388 +0200
+++ linux-2.6/drivers/vhost/net.c 2010-04-05 21:13:32.726004109 +0200
@@ -641,7 +641,7 @@ static struct
On Mon, 5 Apr 2010 20:34:26 +0200
Mohammed Gamal m.gamal...@gmail.com wrote:
Hello All,
I'm interested in adding nested VMX support to KVM in GSoC 2010 (among
other things). I see that Orit Wasserman has done some work in this
area, but it didn't get merged yet. The last patches were a few
On 05.04.2010, at 21:37, Luiz Capitulino wrote:
On Mon, 5 Apr 2010 20:34:26 +0200
Mohammed Gamal m.gamal...@gmail.com wrote:
Hello All,
I'm interested in adding nested VMX support to KVM in GSoC 2010 (among
other things). I see that Orit Wasserman has done some work in this
area, but it
On Mon, Apr 5, 2010 at 9:42 PM, Alexander Graf ag...@suse.de wrote:
On 05.04.2010, at 21:37, Luiz Capitulino wrote:
On Mon, 5 Apr 2010 20:34:26 +0200
Mohammed Gamal m.gamal...@gmail.com wrote:
Hello All,
I'm interested in adding nested VMX support to KVM in GSoC 2010 (among
other things).
On Thu, Mar 25, 2010 at 04:00:56PM +0100, Asdo wrote:
Would the loop device provide the features of a block device? I recall
barrier support at least has been added recently.
It does, but not in a very efficient way.
Is it recommended to run kvm on a loopback mounted file compared to on a
Hi Dan!
This should be done over the host-eth3 interface and I have set up the
br-eth3
and qtap3 the same way as with the eth1/br-eth1/qtap1 with one difference -
the br-eth3 interface is setup without an IP.
When doing traffic from the VM to the network I can see traffic on the qtap3
On Mon, Apr 05, 2010 at 02:26:37AM +0300, Izik Eidus wrote:
Hi,
(Below is explenation about the bug to who does`nt familier)
In the beggining I tried to make this code run with
qemu_bh() but the result was performence catastrophic
The reason is that the migration code just doesn`t built
On Thu, Apr 01, 2010 at 04:50:45PM +0800, Xiao Guangrong wrote:
This patch does:
- 'sp' parameter in inspect_spte_fn() is not used, so remove it
- fix 'kvm' and 'slots' is not defined in count_rmaps()
- fix a bug in inspect_spte_has_rmap()
Signed-off-by: Xiao Guangrong
On Thu, Apr 01, 2010 at 06:25:58PM +0300, Avi Kivity wrote:
On 03/31/2010 11:26 AM, Alexander Graf wrote:
Howdy,
Apparently there was just the very first case of someone requiring my patch
to enable BAR regions 4k. To enable people to use those devices with a
released version, I'd
On Tue, Mar 30, 2010 at 10:27:43AM +0200, Sebastian Hetze wrote:
With this patch applied, the system runs without hrtimer messages since
5 days and the timer iterrupts look fine.
Actually, when restarting the system with the hrtimer patch applied,
we also changed the BIOS setting to disable
On 04/05/2010 09:34 PM, Mohammed Gamal wrote:
Hello All,
I'm interested in adding nested VMX support to KVM in GSoC 2010 (among
other things). I see that Orit Wasserman has done some work in this
area, but it didn't get merged yet. The last patches were a few months
ago and I have not seen any
On 04/05/2010 09:44 PM, Marcelo Tosatti wrote:
On Thu, Mar 25, 2010 at 05:02:56PM +0200, Avi Kivity wrote:
Log emulated instructions in ftrace, especially if they failed.
Why not log all emulated instructions? Seems useful to me.
That was the intent, but it didn't pan out. I
On Mon, 2010-04-05 at 15:23 -0400, Christoph Hellwig wrote:
On Wed, Mar 24, 2010 at 01:22:37PM -0700, Badari Pulavarty wrote:
iovecs and buffers are user-space pointers (from the host kernel point
of view). They are
guest address. So, I don't need to do any set_fs tricks.
From
The dirty and non-dirty pages are checked one by one. When most of the memory
is not dirty, checking the dirty and non-dirty pages by multiple page size
should be much faster than checking them one by one. We introduced bit-based
phys_ram_dirty for VGA, CODE, MIGRATION, MASTER, and
Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp
Signed-off-by: OHMURA Kei ohmura@lab.ntt.co.jp
---
cpu-all.h | 10 --
1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/cpu-all.h b/cpu-all.h
index f8bfa66..c409fad 100644
--- a/cpu-all.h
+++ b/cpu-all.h
@@
Introduces cpu_physical_memory_get_dirty_range().
It checks the first row and puts dirty addr in the array.
If the first row is empty, it skips to the first non-dirty row
or the end addr, and put the length in the first entry of the array.
Signed-off-by: Yoshiaki Tamura
Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp
Signed-off-by: OHMURA Kei ohmura@lab.ntt.co.jp
---
cpu-all.h | 81 ++--
1 files changed, 67 insertions(+), 14 deletions(-)
diff --git a/cpu-all.h b/cpu-all.h
index
Replaces byte-based phys_ram_dirty bitmap with three bit-based phys_ram_dirty
bitmap. On allocation, it sets all bits in the bitmap.
Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp
Signed-off-by: OHMURA Kei ohmura@lab.ntt.co.jp
---
exec.c | 32 +++-
Modifies kvm_physical_sync_dirty_bitmap to use
cpu_physical_memory_set_dirty_range() to update the row of
the bit-based phys_ram_dirty bitmap at once.
Signed-off-by: OHMURA Kei ohmura@lab.ntt.co.jp
Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp
---
bswap.h |2 ++
Modifies ram_save_block() and ram_save_remaining() to use
cpu_physical_memory_get_dirty_range() to check multiple dirty and non-dirty
pages at once.
Signed-off-by: Yoshiaki Tamura tamura.yoshi...@lab.ntt.co.jp
Signed-off-by: OHMURA Kei ohmura@lab.ntt.co.jp
---
arch_init.c | 54
Hi all,
I'm not sure whether it's appropriate to post the problem here.
I played with virsh under Fedora 12, and started a KVM fedora12 guest
by virsh start command. The fedora12 guest is successfully started.
Than I run the following command to dump the guest core:
#virsh dump 1 mycoredump
On Mon, 2010-04-05 at 15:22 +0100, Stefan Hajnoczi wrote:
On Mon, Mar 29, 2010 at 4:41 PM, Badari Pulavarty pbad...@us.ibm.com wrote:
+static void handle_io_work(struct work_struct *work)
+{
+ struct vhost_blk_io *vbio;
+ struct vhost_virtqueue *vq;
+ struct vhost_blk
Hi.
When handle_io() is called, rip is currently proceeded *before* actually having
I/O handled by qemu in userland. Upon implementing Kemari for
KVM(http://www.mail-archive.com/kvm@vger.kernel.org/msg25141.html) mainly in
userland qemu, we encountered a problem that synchronizing the content of
Michael,
For the DOS issue, I'm not sure how much the limit get_user_pages()
can pin is reasonable, should we compute the bindwidth to make it?
There's a ulimit for locked memory. Can we use this, decreasing
the value for rlimit array? We can do this when backend is
enabled and re-increment
Michael,
For the write logging, do you have a function in hand that we can
recompute the log? If that, I think I can use it to recompute the
log info when the logging is suddenly enabled.
For the outstanding requests, do you mean all the user buffers have
submitted before the logging ioctl
Please send in any agenda items you are interested in covering.
thanks,
-chris
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