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From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: Greg Kroah-Hartman <gregkh@suse.de>, KVM <kvm@vger.kernel.org>,
        Sedat Dilek <sedat.dilek@gmail.com>, Ingo Molnar <mingo@redhat.com>,
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        Xen <xen-devel@lists.xensource.com>, Avi Kivity <avi@redhat.com>,
        Rik van Riel <riel@redhat.com>,
        Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
        LKML <linux-kernel@vger.kernel.org>
Cc: Suzuki Poulose <suzuki@linux.vnet.ibm.com>,
        Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
        Peter Zijlstra <peterz@infradead.org>,
        Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Date: Mon, 24 Oct 2011 00:37:00 +0530
Message-Id: <20111023190700.16364.7548.sendpatchset@oc5400248562.ibm.com>
In-Reply-To: <20111023190307.16364.35381.sendpatchset@oc5400248562.ibm.com>
References: <20111023190307.16364.35381.sendpatchset@oc5400248562.ibm.com>
Subject: [PATCH RFC V2 4/5] kvm guest : Added configuration support to enable debug information for KVM Guests
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
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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 1f03f82..ed34269 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -562,6 +562,15 @@ 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
+	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