linux-kernel - Re: [PATCH v5 0/3] KVM: x86: tracepoint updates

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Message-ID: <d59b923ebd369415056c80b99ca4e0f75d60fa84.camel@redhat.com>
Date: Wed, 30 Oct 2024 17:21:49 -0400
From: Maxim Levitsky <mlevitsk@...hat.com>
To: kvm@...r.kernel.org
Cc: x86@...nel.org, Dave Hansen <dave.hansen@...ux.intel.com>, Thomas
 Gleixner <tglx@...utronix.de>, Borislav Petkov <bp@...en8.de>, Paolo
 Bonzini <pbonzini@...hat.com>, Ingo Molnar <mingo@...hat.com>, Sean
 Christopherson <seanjc@...gle.com>, "H. Peter Anvin" <hpa@...or.com>, 
 linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 0/3] KVM: x86: tracepoint updates

On Tue, 2024-09-10 at 16:03 -0400, Maxim Levitsky wrote:
> This patch series is intended to add some selected information
> to the kvm tracepoints to make it easier to gather insights about
> running nested guests.
> 
> This patch series was developed together with a new x86 performance analysis tool
> that I developed recently (https://gitlab.com/maximlevitsky/kvmon)
> which aims to be a better kvm_stat, and allows you at glance
> to see what is happening in a VM, including nesting.
> 
> V5: rebased on top of recent changes
> 
> Best regards,
> 	Maxim Levitsky
> 
> Maxim Levitsky (3):
>   KVM: x86: add more information to the kvm_entry tracepoint
>   KVM: x86: add information about pending requests to kvm_exit
>     tracepoint
>   KVM: x86: add new nested vmexit tracepoints
> 
>  arch/x86/include/asm/kvm-x86-ops.h |   1 +
>  arch/x86/include/asm/kvm_host.h    |   5 +-
>  arch/x86/kvm/svm/nested.c          |  22 ++++++
>  arch/x86/kvm/svm/svm.c             |  17 +++++
>  arch/x86/kvm/trace.h               | 107 ++++++++++++++++++++++++++---
>  arch/x86/kvm/vmx/main.c            |   1 +
>  arch/x86/kvm/vmx/nested.c          |  27 ++++++++
>  arch/x86/kvm/vmx/vmx.c             |  11 +++
>  arch/x86/kvm/vmx/x86_ops.h         |   4 ++
>  arch/x86/kvm/x86.c                 |   3 +
>  10 files changed, 189 insertions(+), 9 deletions(-)
> 
> -- 
> 2.26.3
> 
> 

Hi,
A very gentle ping on this patch series.

Best regards,
	Maxim Levitsky