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From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: Jeremy Fitzhardinge <jeremy@goop.org>, Randy Dunlap <rdunlap@xenotime.net>,
        linux-doc@vger.kernel.org, KVM <kvm@vger.kernel.org>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
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        Thomas Gleixner <tglx@linutronix.de>,
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        Gleb Natapov <gleb@redhat.com>, Avi Kivity <avi@redhat.com>,
        Alexander Graf <agraf@suse.de>,
        Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
        Paul Mackerras <paulus@samba.org>, Sedat Dilek <sedat.dilek@gmail.com>,
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        Xen <xen-devel@lists.xensource.com>
Cc: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
        Sasha Levin <levinsasha928@gmail.com>,
        Suzuki Poulose <suzuki@linux.vnet.ibm.com>,
        Dave Hansen <dave@linux.vnet.ibm.com>
Date: Sat, 14 Jan 2012 23:56:20 +0530
Message-Id: <20120114182619.8604.383.sendpatchset@oc5400248562.ibm.com>
In-Reply-To: <20120114182501.8604.68416.sendpatchset@oc5400248562.ibm.com>
References: <20120114182501.8604.68416.sendpatchset@oc5400248562.ibm.com>
Subject: [PATCH RFC V4 3/5] kvm guest : Added configuration support to enable debug information for KVM Guests
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Added configuration support to enable debug information
for KVM Guests in debugfs
    
Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Signed-off-by: Suzuki Poulose <suzuki@in.ibm.com>
Signed-off-by: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
---
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 72e8b64..344a7db 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -565,6 +565,15 @@ config KVM_GUEST
 	  This option enables various optimizations for running under the KVM
 	  hypervisor.
 
+config KVM_DEBUG_FS
+	bool "Enable debug information for KVM Guests in debugfs"
+	depends on KVM_GUEST && DEBUG_FS
+	default n
+	---help---
+	  This option enables collection of various statistics for KVM guest.
+   	  Statistics are displayed in debugfs filesystem. Enabling this option
+	  may incur significant overhead.
+
 source "arch/x86/lguest/Kconfig"
 
 config PARAVIRT