On 06/28/2010 07:20 PM, Anthony Liguori wrote:
To avoid this I'd like to see the pinning done from within QEMU. I
am not sure whether calling numactl via system() and friends is
OK, I'd prefer to run the syscalls directly (like in patch 3/3)
and pull the necessary options into the -numa
On 06/28/2010 07:17 PM, Anthony Liguori wrote:
On 06/24/2010 06:12 AM, Avi Kivity wrote:
On 06/24/2010 01:58 PM, Andre Przywara wrote:
So who would create the /dev/shm/nodeXX files?
Currently it is QEMU. It creates a somewhat unique filename, opens
and unlinks it. The difference would be to
On 06/24/2010 06:12 AM, Avi Kivity wrote:
On 06/24/2010 01:58 PM, Andre Przywara wrote:
So who would create the /dev/shm/nodeXX files?
Currently it is QEMU. It creates a somewhat unique filename, opens
and unlinks it. The difference would be to name the file after the
option and to not
On 06/24/2010 06:42 AM, Avi Kivity wrote:
On 06/24/2010 02:34 PM, Andre Przywara wrote:
Non-anonymous memory doesn't work well with ksm and transparent
hugepages. Is it possible to use anonymous memory rather than file
backed?
I'd prefer non-file backed, too. But that is how the current
Anthony Liguori wrote:
On 06/24/2010 06:42 AM, Avi Kivity wrote:
On 06/24/2010 02:34 PM, Andre Przywara wrote:
Non-anonymous memory doesn't work well with ksm and transparent
hugepages. Is it possible to use anonymous memory rather than file
backed?
I'd prefer non-file backed, too. But
Jes Sorensen wrote:
On 06/24/10 13:34, Andre Przywara wrote:
Avi Kivity wrote:
On 06/24/2010 01:58 PM, Andre Przywara wrote:
Non-anonymous memory doesn't work well with ksm and transparent
hugepages. Is it possible to use anonymous memory rather than file
backed?
I'd prefer non-file backed,
Anthony Liguori wrote:
On 06/23/2010 04:09 PM, Andre Przywara wrote:
Hi,
these three patches add basic NUMA pinning to KVM. According to a user
provided assignment parts of the guest's memory will be bound to different
host nodes. This should increase performance in large virtual machines
and
Alexander Graf wrote:
On 24.06.2010, at 00:21, Anthony Liguori wrote:
On 06/23/2010 04:09 PM, Andre Przywara wrote:
Hi,
these three patches add basic NUMA pinning to KVM. According to a user
provided assignment parts of the guest's memory will be bound to different
host nodes. This should
On 06/24/2010 01:58 PM, Andre Przywara wrote:
So who would create the /dev/shm/nodeXX files?
Currently it is QEMU. It creates a somewhat unique filename, opens and
unlinks it. The difference would be to name the file after the option
and to not unlink it.
I can imagine starting numactl
Avi Kivity wrote:
On 06/24/2010 01:58 PM, Andre Przywara wrote:
So who would create the /dev/shm/nodeXX files?
Currently it is QEMU. It creates a somewhat unique filename, opens and
unlinks it. The difference would be to name the file after the option
and to not unlink it.
I can imagine
On 06/24/2010 02:34 PM, Andre Przywara wrote:
Non-anonymous memory doesn't work well with ksm and transparent
hugepages. Is it possible to use anonymous memory rather than file
backed?
I'd prefer non-file backed, too. But that is how the current huge
pages implementation is done. We could
Anthony Liguori anth...@codemonkey.ws writes:
If we extended integrated -mem-path with -numa such that a different
path could be used with each numa node (and we let an explicit file be
specified instead of just a directory), then if I understand
correctly, we could use numactl without any
Hi,
these three patches add basic NUMA pinning to KVM. According to a user
provided assignment parts of the guest's memory will be bound to different
host nodes. This should increase performance in large virtual machines
and on loaded hosts.
These patches are quite basic (but work) and I send
On 06/23/2010 04:09 PM, Andre Przywara wrote:
Hi,
these three patches add basic NUMA pinning to KVM. According to a user
provided assignment parts of the guest's memory will be bound to different
host nodes. This should increase performance in large virtual machines
and on loaded hosts.
These
On 24.06.2010, at 00:21, Anthony Liguori wrote:
On 06/23/2010 04:09 PM, Andre Przywara wrote:
Hi,
these three patches add basic NUMA pinning to KVM. According to a user
provided assignment parts of the guest's memory will be bound to different
host nodes. This should increase performance
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