linux-kernel - [PATCH V2 5/5] ara virt interface of perf to support kvm guest os statistics collection in guest os

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Date:	Mon, 21 Jun 2010 17:31:49 +0800
From:	"Zhang, Yanmin" <yanmin_zhang@...ux.intel.com>
To:	LKML <linux-kernel@...r.kernel.org>, kvm@...r.kernel.org,
	Avi Kivity <avi@...hat.com>
Cc:	Ingo Molnar <mingo@...e.hu>,
	Fr??d??ric Weisbecker <fweisbec@...il.com>,
	Arnaldo Carvalho de Melo <acme@...hat.com>,
	Cyrill Gorcunov <gorcunov@...il.com>,
	Lin Ming <ming.m.lin@...el.com>,
	Sheng Yang <sheng@...ux.intel.com>,
	Marcelo Tosatti <mtosatti@...hat.com>,
	oerg Roedel <joro@...tes.org>,
	Jes Sorensen <Jes.Sorensen@...hat.com>,
	Gleb Natapov <gleb@...hat.com>,
	Zachary Amsden <zamsden@...hat.com>, zhiteng.huang@...el.com,
	tim.c.chen@...el.com
Subject: [PATCH V2 5/5] ara virt interface of perf to support kvm guest os
 statistics collection in guest os

The 5th patch is applied to the latest qemu-kvm tree.

Signed-off-by: Zhang Yanmin <yanmin_zhang@...ux.intel.com>

---

diff -Nraup qemu-kvm_0621/kvm/include/linux/kvm.h qemu-kvm_0621_perf/kvm/include/linux/kvm.h
--- qemu-kvm_0621/kvm/include/linux/kvm.h	2010-06-21 11:00:28.000000000 +0800
+++ qemu-kvm_0621_perf/kvm/include/linux/kvm.h	2010-06-21 13:23:51.537999849 +0800
@@ -530,6 +530,7 @@ struct kvm_enable_cap {
 #ifdef __KVM_HAVE_XCRS
 #define KVM_CAP_XCRS 56
 #endif
+#define KVM_CAP_PV_PERF 57
 
 #ifdef KVM_CAP_IRQ_ROUTING
 
diff -Nraup qemu-kvm_0621/kvm/include/x86/asm/kvm_para.h qemu-kvm_0621_perf/kvm/include/x86/asm/kvm_para.h
--- qemu-kvm_0621/kvm/include/x86/asm/kvm_para.h	2010-06-21 11:00:28.000000000 +0800
+++ qemu-kvm_0621_perf/kvm/include/x86/asm/kvm_para.h	2010-06-21 13:27:04.375999849 +0800
@@ -15,6 +15,7 @@
 #define KVM_FEATURE_CLOCKSOURCE		0
 #define KVM_FEATURE_NOP_IO_DELAY	1
 #define KVM_FEATURE_MMU_OP		2
+#define KVM_FEATURE_PV_PERF		4
 
 #define MSR_KVM_WALL_CLOCK  0x11
 #define MSR_KVM_SYSTEM_TIME 0x12
diff -Nraup qemu-kvm_0621/target-i386/kvm.c qemu-kvm_0621_perf/target-i386/kvm.c
--- qemu-kvm_0621/target-i386/kvm.c	2010-06-21 11:00:29.000000000 +0800
+++ qemu-kvm_0621_perf/target-i386/kvm.c	2010-06-21 13:00:14.136999850 +0800
@@ -150,6 +150,9 @@ struct kvm_para_features {
 #ifdef KVM_CAP_PV_MMU
         { KVM_CAP_PV_MMU, KVM_FEATURE_MMU_OP },
 #endif
+#ifdef KVM_CAP_PV_PERF
+        { KVM_CAP_PV_PERF, KVM_FEATURE_PV_PERF },
+#endif
         { -1, -1 }
 };


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