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From: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
To: mingo@redhat.com, hpa@zytor.com, x86@kernel.org, jeremy@goop.org,
	konrad.wilk@oracle.com, gleb@redhat.com, pbonzini@redhat.com
Cc: gregkh@suse.de, peterz@infradead.org, tglx@linutronix.de,
	agraf@suse.de, riel@redhat.com, avi.kivity@gmail.com,
	habanero@linux.vnet.ibm.com, chegu_vinod@hp.com,
	ouyang@cs.pitt.edu, drjones@redhat.com, attilio.rao@citrix.com,
	linux-doc@vger.kernel.org, torvalds@linux-foundation.org,
	linux-kernel@vger.kernel.org, kvm@vger.kernel.org,
	andi@firstfloor.org, xen-devel@lists.xensource.com,
	virtualization@lists.linux-foundation.org,
	stefano.stabellini@eu.citrix.com, mtosatti@redhat.com,
	srivatsa.vaddagiri@gmail.com,
	Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
	Suzuki Poulose <suzuki@in.ibm.com>,
	Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Subject: [PATCH V13 13/14] kvm guest : Add configuration support to enable debug information for KVM Guests
Date: Fri,  9 Aug 2013 19:52:01 +0530	[thread overview]
Message-ID: <1376058122-8248-14-git-send-email-raghavendra.kt@linux.vnet.ibm.com> (raw)
In-Reply-To: <1376058122-8248-1-git-send-email-raghavendra.kt@linux.vnet.ibm.com>

From: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>

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>
Acked-by: Gleb Natapov <gleb@redhat.com>
Acked-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/Kconfig | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 724ce55..f108f00 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -688,6 +688,15 @@ config KVM_GUEST
 	  underlying device model, the host provides the guest with
 	  timing infrastructure such as time of day, and system time
 
+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_TIME_ACCOUNTING
-- 
1.7.11.7

  parent reply	other threads:[~2013-08-09 14:22 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-09 14:21 [PATCH V13 00/14] Paravirtualized ticket spinlocks Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 01/14] x86/spinlock: Replace pv spinlocks with pv ticketlocks Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 02/14] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 03/14] x86/ticketlock: Collapse a layer of functions Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 04/14] xen: Defer spinlock setup until boot CPU setup Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 05/14] xen/pvticketlock: Xen implementation for PV ticket locks Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 06/14] xen/pvticketlocks: Add xen_nopvspin parameter to disable xen pv ticketlocks Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 07/14] x86/pvticketlock: Use callee-save for lock_spinning Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 08/14] x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 09/14] jump_label: Split jumplabel ratelimit Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 10/14] x86/ticketlock: Add slowpath logic Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 11/14] xen/pvticketlock: Allow interrupts to be enabled while blocking Raghavendra K T
2013-08-09 14:22 ` [PATCH V13 12/14] kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi Raghavendra K T
2013-08-09 14:22 ` Raghavendra K T [this message]
2013-08-09 14:22 ` [PATCH V13 14/14] kvm : Paravirtual ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
2013-08-10 19:38   ` [PATCH RESEND " Raghavendra K T
2013-08-13 16:42     ` H. Peter Anvin
2013-08-13 16:55       ` Ingo Molnar
2013-08-13 20:02         ` [PATCH delta " Raghavendra K T
2013-08-13 20:00           ` Jeremy Fitzhardinge
2013-08-13 20:27             ` Raghavendra K T
2013-08-14  9:50           ` Raghavendra K T
2013-08-11  5:35   ` [PATCH RESEND " Raghavendra K T

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