On 07/12/2012 04:28 PM, Nikunj A Dadhania wrote:
On Wed, 11 Jul 2012 16:22:29 +0530, Raghavendra K
T wrote:
On 07/11/2012 02:23 PM, Avi Kivity wrote:
This adds some tiny overhead to vcpu entry. You could remove it by
using the vcpu->requests mechanism to clear the flag, since
vcpu->requests
On Wed, 11 Jul 2012 16:22:29 +0530, Raghavendra K T
wrote:
> On 07/11/2012 02:23 PM, Avi Kivity wrote:
> >
> > This adds some tiny overhead to vcpu entry. You could remove it by
> > using the vcpu->requests mechanism to clear the flag, since
> > vcpu->requests is already checked on every entry.
- Original Message -
> >
> > Hm, suppose we're the next-in-line for a ticket lock and exit due
> > to
> > PLE. The lock holder completes and unlocks, which really assigns
> > the
> > lock to us. So now we are the lock owner, yet we are marked as
> > don't
> > yield-to-us in the PLE code
On 07/11/2012 04:48 PM, Avi Kivity wrote:
On 07/11/2012 01:52 PM, Raghavendra K T wrote:
On 07/11/2012 02:23 PM, Avi Kivity wrote:
On 07/09/2012 09:20 AM, Raghavendra K T wrote:
Signed-off-by: Raghavendra K T
Noting pause loop exited vcpu helps in filtering right candidate to
yield.
Yielding
On 07/11/2012 01:52 PM, Raghavendra K T wrote:
> On 07/11/2012 02:23 PM, Avi Kivity wrote:
>> On 07/09/2012 09:20 AM, Raghavendra K T wrote:
>>> Signed-off-by: Raghavendra K T
>>>
>>> Noting pause loop exited vcpu helps in filtering right candidate to
>>> yield.
>>> Yielding to same vcpu may result
On 07/11/2012 02:23 PM, Avi Kivity wrote:
On 07/09/2012 09:20 AM, Raghavendra K T wrote:
Signed-off-by: Raghavendra K T
Noting pause loop exited vcpu helps in filtering right candidate to yield.
Yielding to same vcpu may result in more wastage of cpu.
struct kvm_lpage_info {
diff --git a/ar
On 07/09/2012 09:20 AM, Raghavendra K T wrote:
> Signed-off-by: Raghavendra K T
>
> Noting pause loop exited vcpu helps in filtering right candidate to yield.
> Yielding to same vcpu may result in more wastage of cpu.
>
>
> struct kvm_lpage_info {
> diff --git a/arch/x86/kvm/svm.c b/arch/x86/
On 07/10/2012 04:09 AM, Rik van Riel wrote:
On 07/09/2012 02:20 AM, Raghavendra K T wrote:
@@ -484,6 +484,13 @@ struct kvm_vcpu_arch {
u64 length;
u64 status;
} osvw;
+
+ /* Pause loop exit optimization */
+ struct {
+ bool pause_loop_exited;
+ bool dy_eligible;
+ } plo;
I know kvm_vcpu_arch
On 07/09/2012 02:20 AM, Raghavendra K T wrote:
@@ -484,6 +484,13 @@ struct kvm_vcpu_arch {
u64 length;
u64 status;
} osvw;
+
+ /* Pause loop exit optimization */
+ struct {
+ bool pause_loop_exited;
+ bool dy_eligibl
On 07/09/2012 11:50 AM, Raghavendra K T wrote:
Signed-off-by: Raghavendra K T
Noting pause loop exited vcpu helps in filtering right candidate to yield.
Yielding to same vcpu may result in more wastage of cpu.
From: Raghavendra K T
---
Oops. Sorry some how sign-off and from interchanged.. int
Signed-off-by: Raghavendra K T
Noting pause loop exited vcpu helps in filtering right candidate to yield.
Yielding to same vcpu may result in more wastage of cpu.
From: Raghavendra K T
---
arch/x86/include/asm/kvm_host.h |7 +++
arch/x86/kvm/svm.c |1 +
arch/x86/kvm/vm
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