[kvm-ppc-devel] [PATCH] kvmppc: account guest time

[kvm-ppc-devel] [PATCH] kvmppc: account guest time

[ehrhardt]

From: Developer <developer@de.ibm.com>

This adds the support to account the guest and the host apart from each other.
It uses the already available structure&flags PF_VCPU reported in /proc/stat
and the kvm_guest_enter/exit already available in kvm_host.h.
After that patch the data is available in the proc file system. We will need
contributions to the userspace tools e.g. that read from there to bring that
feature to the end customer.

Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
---

[diffstat]
 powerpc.c |    2 ++
 1 files changed, 2 insertions(+)

diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
--- a/arch/powerpc/kvm/powerpc.c
+++ b/arch/powerpc/kvm/powerpc.c
@@ -868,7 +868,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_v
 	kvmppc_check_and_deliver_interrupts(vcpu);
 
 	local_irq_disable();
+	kvm_guest_enter();
 	r = __kvmppc_vcpu_run(run, vcpu);
+	kvm_guest_exit();
 	local_irq_enable();
 
 	if (vcpu->sigset_active)

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Re: [kvm-ppc-devel] [PATCH] kvmppc: account guest time

[Christian Ehrhardt]

ehrhardt@linux.vnet.ibm.com wrote:
> From: Developer <developer@de.ibm.com>
Oops - wrong template file - should be:
From: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
> 
> This adds the support to account the guest and the host apart from each other.
> It uses the already available structure&flags PF_VCPU reported in /proc/stat
> and the kvm_guest_enter/exit already available in kvm_host.h.
> After that patch the data is available in the proc file system. We will need
> contributions to the userspace tools e.g. that read from there to bring that
> feature to the end customer.
> 
> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
> ---
> 
> [diffstat]
>  powerpc.c |    2 ++
>  1 files changed, 2 insertions(+)
> 
> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
> --- a/arch/powerpc/kvm/powerpc.c
> +++ b/arch/powerpc/kvm/powerpc.c
> @@ -868,7 +868,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_v
>  	kvmppc_check_and_deliver_interrupts(vcpu);
> 
>  	local_irq_disable();
> +	kvm_guest_enter();
>  	r = __kvmppc_vcpu_run(run, vcpu);
> +	kvm_guest_exit();
>  	local_irq_enable();
> 
>  	if (vcpu->sigset_active)
> 
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-- 

Grüsse / regards, 
Christian Ehrhardt
IBM Linux Technology Center, Open Virtualization

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Re: [kvm-ppc-devel] [PATCH] kvmppc: account guest time

[Hollis Blanchard]

On Monday 07 April 2008 07:37:28 ehrhardt@linux.vnet.ibm.com wrote:
> From: Developer <developer@de.ibm.com>
>
> This adds the support to account the guest and the host apart from each
> other. It uses the already available structure&flags PF_VCPU reported in
> /proc/stat and the kvm_guest_enter/exit already available in kvm_host.h.
> After that patch the data is available in the proc file system. We will
> need contributions to the userspace tools e.g. that read from there to
> bring that feature to the end customer.
>
> Signed-off-by: Christian Ehrhardt <ehrhardt@linux.vnet.ibm.com>
> ---
>
> [diffstat]
>  powerpc.c |    2 ++
>  1 files changed, 2 insertions(+)
>
> diff --git a/arch/powerpc/kvm/powerpc.c b/arch/powerpc/kvm/powerpc.c
> --- a/arch/powerpc/kvm/powerpc.c
> +++ b/arch/powerpc/kvm/powerpc.c
> @@ -868,7 +868,9 @@ int kvm_arch_vcpu_ioctl_run(struct kvm_v
>  	kvmppc_check_and_deliver_interrupts(vcpu);
>
>  	local_irq_disable();
> +	kvm_guest_enter();
>  	r = __kvmppc_vcpu_run(run, vcpu);
> +	kvm_guest_exit();
>  	local_irq_enable();
>
>  	if (vcpu->sigset_active)

Thanks; applied.

-- 
Hollis Blanchard
IBM Linux Technology Center

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