Bugs item #2826486, was opened at 2009-07-24 11:16
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Use random.SystemRandom() (which uses /dev/urandom) in
kvm_utils.generate_random_string().
Currently, when running multiple jobs in parallel, the generated strings
occasionally collide, and this is very bad.
Also, don't seed the random number generator in kvm.py. This is not necessary
and is
(Difference from previous version: make sure timedrift is executed alone.
This should probably be a temporary solution until we find a better one, like
making sure timedrift is not executed in parallel to itself, while allowing it
to run in parallel to other tests.)
used_cpus denotes the number
(Difference from previous version: make sure tests that share dependencies, but
do not necessarily depend on each other, run in the same pipeline.)
This patch adds a control.parallel file that runs several test execution
pipelines in parallel.
The number of pipelines is set to the number of CPUs
Michael,
We are very interested in your patch and want to have a try with it.
I have collected your 3 patches in kernel side and 4 patches in queue side.
The patches are listed here:
PATCHv5-1-3-mm-export-use_mm-unuse_mm-to-modules.patch
PATCHv5-2-3-mm-reduce-atomic-use-on-use_mm-fast-path.patch
I am wondering if anyone has investigated how well kvm scales when supporting
many guests, or many vcpus or both.
I'll do some investigations into the per vm memory overhead and play with
bumping the max vcpu limit way beyond 16, but hopefully someone can comment on
issues such as locking
On Fri, Sep 11, 2009 at 10:36 AM, Bruce Rogers brog...@novell.com wrote:
Also, when I did a simple experiment with vcpu overcommitment, I was
surprised how quickly performance suffered (just bringing a Linux vm up),
since I would have assumed the additional vcpus would have been halted the
Ira W. Snyder wrote:
On Mon, Sep 07, 2009 at 01:15:37PM +0300, Michael S. Tsirkin wrote:
On Thu, Sep 03, 2009 at 11:39:45AM -0700, Ira W. Snyder wrote:
On Thu, Aug 27, 2009 at 07:07:50PM +0300, Michael S. Tsirkin wrote:
What it is: vhost net is a character device that can be used to reduce
Hi Avi, would you apply this patch? Looks like the corresponding qemu
patch went in a while ago, so the qemu build has been broken for some
time.
Signed-off-by: Hollis Blanchard holl...@us.ibm.com
--
Hollis Blanchard
IBM Linux Technology Center
On Thu, 2009-07-16 at 15:29 +0200, Alexander Graf
