From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jason Wang Subject: Re: [PATCH V2 3/3] kvm: add tracepoint for fast mmio Date: Wed, 26 Aug 2015 13:08:49 +0800 Message-ID: <55DD49E1.8080601@redhat.com> References: <1440488835-4388-1-git-send-email-jasowang@redhat.com> <1440488835-4388-3-git-send-email-jasowang@redhat.com> <20150825143404-mutt-send-email-mst@redhat.com> Mime-Version: 1.0 Content-Type: text/plain; charset=windows-1252 Content-Transfer-Encoding: 7bit Cc: gleb@kernel.org, pbonzini@redhat.com, kvm@vger.kernel.org, linux-kernel@vger.kernel.org, cornelia.huck@de.ibm.com To: "Michael S. Tsirkin" Return-path: In-Reply-To: <20150825143404-mutt-send-email-mst@redhat.com> Sender: linux-kernel-owner@vger.kernel.org List-Id: kvm.vger.kernel.org On 08/25/2015 07:34 PM, Michael S. Tsirkin wrote: > On Tue, Aug 25, 2015 at 03:47:15PM +0800, Jason Wang wrote: >> > Cc: Gleb Natapov >> > Cc: Paolo Bonzini >> > Cc: Michael S. Tsirkin >> > Signed-off-by: Jason Wang >> > --- >> > arch/x86/kvm/trace.h | 17 +++++++++++++++++ >> > arch/x86/kvm/vmx.c | 1 + >> > arch/x86/kvm/x86.c | 1 + >> > 3 files changed, 19 insertions(+) >> > >> > diff --git a/arch/x86/kvm/trace.h b/arch/x86/kvm/trace.h >> > index 4eae7c3..2d4e81a 100644 >> > --- a/arch/x86/kvm/trace.h >> > +++ b/arch/x86/kvm/trace.h >> > @@ -128,6 +128,23 @@ TRACE_EVENT(kvm_pio, >> > __entry->count > 1 ? "(...)" : "") >> > ); >> > >> > +TRACE_EVENT(kvm_fast_mmio, >> > + TP_PROTO(u64 gpa), >> > + TP_ARGS(gpa), >> > + >> > + TP_STRUCT__entry( >> > + __field(u64, gpa) >> > + ), >> > + >> > + TP_fast_assign( >> > + __entry->gpa = gpa; >> > + ), >> > + >> > + TP_printk("fast mmio at gpa 0x%llx", __entry->gpa) >> > +); >> > + >> > + >> > + > don't add multiple empty lines please. > Ok