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From: Krish Sadhukhan <krish.sadhukhan@oracle.com>
To: Peter Xu <zhexu@redhat.com>, kvm@vger.kernel.org
Cc: Paolo Bonzini <pbonzini@redhat.com>, peterx@redhat.com
Subject: Re: [PATCH 1/3] KVM: X86: Trace vcpu_id for vmexit
Date: Wed, 31 Jul 2019 14:49:54 -0700	[thread overview]
Message-ID: <4cf0d8e6-7e5d-5372-3d7f-429b82034f60@oracle.com> (raw)
In-Reply-To: <20190729053243.9224-2-peterx@redhat.com>



On 07/28/2019 10:32 PM, Peter Xu wrote:
> It helps to pair vmenters and vmexis with multi-core systems.
>
> Signed-off-by: Peter Xu <peterx@redhat.com>
> ---
>   arch/x86/kvm/trace.h | 5 ++++-
>   1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h
> index 4d47a2631d1f..26423d2e45df 100644
> --- a/arch/x86/kvm/trace.h
> +++ b/arch/x86/kvm/trace.h
> @@ -232,17 +232,20 @@ TRACE_EVENT(kvm_exit,
>   		__field(	u32,	        isa             )
>   		__field(	u64,	        info1           )
>   		__field(	u64,	        info2           )
> +		__field(	int,	        vcpu_id         )
>   	),
>   
>   	TP_fast_assign(
>   		__entry->exit_reason	= exit_reason;
>   		__entry->guest_rip	= kvm_rip_read(vcpu);
>   		__entry->isa            = isa;
> +		__entry->vcpu_id        = vcpu->vcpu_id;
>   		kvm_x86_ops->get_exit_info(vcpu, &__entry->info1,
>   					   &__entry->info2);
>   	),
>   
> -	TP_printk("reason %s rip 0x%lx info %llx %llx",
> +	TP_printk("vcpu %d reason %s rip 0x%lx info %llx %llx",
> +		  __entry->vcpu_id,
>   		 (__entry->isa == KVM_ISA_VMX) ?
>   		 __print_symbolic(__entry->exit_reason, VMX_EXIT_REASONS) :
>   		 __print_symbolic(__entry->exit_reason, SVM_EXIT_REASONS),

Reviewed-by: Krish Sadhukhan <krish.sadhukhan@oracle.com>

  parent reply	other threads:[~2019-07-31 21:50 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-29  5:32 [PATCH 0/3] KVM: X86: Some tracepoint enhancements Peter Xu
2019-07-29  5:32 ` [PATCH 1/3] KVM: X86: Trace vcpu_id for vmexit Peter Xu
2019-07-29 16:28   ` Sean Christopherson
2019-07-30  1:49     ` Peter Xu
2019-07-31 21:49   ` Krish Sadhukhan [this message]
2019-07-29  5:32 ` [PATCH 2/3] KVM: X86: Remove tailing newline for tracepoints Peter Xu
2019-08-01  0:19   ` Krish Sadhukhan
2019-08-01  3:39   ` Wanpeng Li
2019-08-13 16:43     ` Peter Xu
2019-07-29  5:32 ` [PATCH 3/3] KVM: X86: Tune PLE Window tracepoint Peter Xu
2019-07-29 16:23   ` Sean Christopherson
2019-07-30  1:43     ` Peter Xu
2019-07-30  2:06       ` Sean Christopherson
2019-07-30  2:12         ` Peter Xu
2019-07-30  2:25           ` Peter Xu
2019-07-30  2:28             ` Sean Christopherson
2019-07-30  2:39               ` Peter Xu

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