Hi,
I found when Guest is idle, VDSO pvclock may increase host consumption.
We can calcutate as follow, Correct me if I am wrong.
(Host)250 * update_pvclock_gtod = 1500 * gettimeofday(Guest)
In Host, VDSO pvclock introduce a notifier chain, pvclock_gtod_chain in
timekeeping.c. It consume
Paolo,
The following changes since commit e724f080f5dd03881bc6d378750c37f7374cae7e:
KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
(2014-03-13 10:47:01 +0100)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc.git
On 2014-03-28 19:37, Christoffer Dall wrote:
On Fri, Mar 28, 2014 at 10:25:19AM -0400, Mark Salter wrote:
The kvm/mmu code shared by arm and arm64 uses kalloc() to allocate
a bounce page (if hypervisor init code crosses page boundary) and
hypervisor PGDs. The problem is that kalloc() does not
Il 28/01/2014 17:28, Christoffer Dall ha scritto:
The KVM API documentation is not clear about the semantics of the data
field on the mmio struct on the kvm_run struct.
This has become problematic when supporting ARM guests on big-endian
host systems with guests of both endianness types,
On Sat, Mar 29, 2014 at 08:47:27AM +, Zhanghailiang wrote:
Hi,
I found when Guest is idle, VDSO pvclock may increase host consumption.
We can calcutate as follow, Correct me if I am wrong.
(Host)250 * update_pvclock_gtod = 1500 * gettimeofday(Guest)
In Host, VDSO pvclock introduce a
Il 29/03/2014 11:31, Paul Mackerras ha scritto:
Paolo,
The following changes since commit e724f080f5dd03881bc6d378750c37f7374cae7e:
KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
(2014-03-13 10:47:01 +0100)
are available in the git repository at:
Hi
I was using oprofile to measuring hardware events in Guest, I have turn
on the cpu host-passthrough mode, but it seems that oprofile can get only
one sample.I added some debug info and found that problem is with the
perf_event's sample_period.
host's workflow is:
set counter MSR: set
Paolo,
The following changes since commit e724f080f5dd03881bc6d378750c37f7374cae7e:
KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
(2014-03-13 10:47:01 +0100)
are available in the git repository at:
git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc.git
Il 28/01/2014 17:28, Christoffer Dall ha scritto:
The KVM API documentation is not clear about the semantics of the data
field on the mmio struct on the kvm_run struct.
This has become problematic when supporting ARM guests on big-endian
host systems with guests of both endianness types,
Il 29/03/2014 11:31, Paul Mackerras ha scritto:
Paolo,
The following changes since commit e724f080f5dd03881bc6d378750c37f7374cae7e:
KVM: PPC: Book3S HV: Fix register usage when loading/saving VRSAVE
(2014-03-13 10:47:01 +0100)
are available in the git repository at:
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