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From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: Greg Kroah-Hartman <gregkh@suse.de>,
	"H. Peter Anvin" <hpa@zytor.com>, Gleb Natapov <gleb@redhat.com>,
	Virtualization <virtualization@lists.linux-foundation.org>,
	Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
	x86@kernel.org, KVM <kvm@vger.kernel.org>,
	Dave Jiang <dave.jiang@intel.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
	Xen <xen-devel@lists.xensource.com>,
	Sedat Dilek <sedat.dilek@gmail.com>,
	Yinghai Lu <yinghai@kernel.org>,
	Marcelo Tosatti <mtosatti@redhat.com>,
	Ingo Molnar <mingo@redhat.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: 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>
Subject: [PATCH RFC V3 3/4] kvm guest : Added configuration support to enable debug information for KVM Guests
Date: Wed, 30 Nov 2011 14:30:19 +0530	[thread overview]
Message-ID: <20111130090019.23386.95844.sendpatchset@oc5400248562.ibm.com> (raw)
In-Reply-To: <20111130085921.23386.89708.sendpatchset@oc5400248562.ibm.com>

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 5d8152d..526e3ae 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -561,6 +561,15 @@ 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


  parent reply	other threads:[~2011-11-30  9:00 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-11-30  8:59 [PATCH RFC V3 0/4] kvm : Paravirt-spinlock support for KVM guests Raghavendra K T
2011-11-30  8:59 ` [PATCH RFC V3 1/4] debugfs: Add support to print u32 array in debugfs Raghavendra K T
2011-12-06  0:13   ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-11-30  8:59 ` [PATCH RFC V3 2/4] kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Raghavendra K T
2011-12-01 11:11   ` Avi Kivity
2011-12-01 19:50     ` Raghavendra K T
2011-12-02 12:29       ` Raghavendra K T
2011-12-04 18:06       ` Raghavendra K T
2011-12-06 16:49         ` [Xen-devel] " Konrad Rzeszutek Wilk
2011-12-07 10:53           ` Avi Kivity
2011-12-07 10:48   ` Marcelo Tosatti
2011-12-07 11:54     ` Raghavendra K T
2011-12-07 12:33       ` Marcelo Tosatti
2011-12-07 12:47         ` Avi Kivity
2011-12-07 13:39           ` Marcelo Tosatti
2011-12-07 14:52             ` Avi Kivity
2011-12-07 16:46               ` Raghavendra K T
2011-12-08  9:40                 ` Avi Kivity
2011-12-09 10:59                   ` Raghavendra K T
2011-12-07 16:31         ` Raghavendra K T
2011-11-30  9:00 ` Raghavendra K T [this message]
2011-11-30  9:00 ` [PATCH RFC V3 4/4] kvm : pv-ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
2011-12-06  3:27   ` Konrad Rzeszutek Wilk
2011-12-06  6:54     ` Raghavendra K T

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