On Sun, Feb 15, 2015 at 3:30 PM, Ding Xiao
wrote:
I am test virtio-vhost in 10G environment
host info
cpu E2680@2.7GHz
memory 16G
network intel 82599BE
os centos 7
VM info
cpu 4
memory 4G
network using virtio vhost
os centos 7
I using pktgen to send udp package, the result like follow
64b
I am test virtio-vhost in 10G environment
host info
cpu E2680@2.7GHz
memory 16G
network intel 82599BE
os centos 7
VM info
cpu 4
memory 4G
network using virtio vhost
os centos 7
I using pktgen to send udp package, the result like follow
64b 230Mb/s
1400b 5.9Gb/s
I test the speed in VMware too, t
On Tue, Feb 03, 2015 at 11:58:17PM +0800, Wincy Van wrote:
> If vcpu has a interrupt in vmx non-root mode, we will
> kick that vcpu to inject interrupt timely. With posted
> interrupt processing, the kick intr is not needed, and
> interrupts are fully taken care of by hardware.
>
> In nested vmx,
On 02/15/2015 11:25 AM, Raghavendra K T wrote:
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(&lock->tickets.head, TICKET_LOCK_INC);
/* add_smp() is a full mb() */
Paravirt spinlock clears slowpath flag after doing unlock.
As explained by Linus currently it does:
prev = *lock;
add_smp(&lock->tickets.head, TICKET_LOCK_INC);
/* add_smp() is a full mb() */
if (unlikely(lock->tickets.tail & TICKET_
On 02/13/2015 09:02 PM, Oleg Nesterov wrote:
On 02/13, Raghavendra K T wrote:
@@ -164,7 +161,7 @@ static inline int arch_spin_is_locked(arch_spinlock_t *lock)
{
struct __raw_tickets tmp = READ_ONCE(lock->tickets);
- return tmp.tail != tmp.head;
+ return tmp.tail != (tmp.h
https://bugzilla.kernel.org/show_bug.cgi?id=93251
--- Comment #1 from Ondřej Súkup ---
I run about 7 nodes, an simulate build of openstack cloud in qemu-kvm env ..
nodes randomly after reboot stop working, or hangs in few sec after reboot
from journalctl:
úno 13 18:10:22 argus kernel: qemu-s
https://bugzilla.kernel.org/show_bug.cgi?id=93251
Bug ID: 93251
Summary: qemu-kvm guests randomly hangs after reboot command in
guest
Product: Virtualization
Version: unspecified
Kernel Version: 3.19.0
Hardware: Intel
