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>,
Glauber Costa <glommer@redhat.com>,
Jan Kiszka <jan.kiszka@siemens.com>,
Rik van Riel <riel@redhat.com>, Dave Jiang <dave.jiang@intel.com>,
"H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Rob Landley <rlandley@parallels.com>, X86 <x86@kernel.org>,
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>,
Ingo Molnar <mingo@redhat.com>,
LKML <linux-kernel@vger.kernel.org>,
Greg Kroah-Hartman <gregkh@suse.de>,
Virtualization <virtualization@lists.linux-foundation.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
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>
Subject: [PATCH RFC V4 3/5] kvm guest : Added configuration support to enable debug information for KVM Guests
Date: Sat, 14 Jan 2012 23:56:20 +0530 [thread overview]
Message-ID: <20120114182619.8604.383.sendpatchset@oc5400248562.ibm.com> (raw)
In-Reply-To: <20120114182501.8604.68416.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 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
next prev parent reply other threads:[~2012-01-14 18:26 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-14 18:25 [PATCH RFC V4 0/5] kvm : Paravirt-spinlock support for KVM guests Raghavendra K T
2012-01-14 18:25 ` [PATCH RFC V4 1/5] debugfs: Add support to print u32 array in debugfs Raghavendra K T
2012-01-14 18:25 ` [PATCH RFC V4 2/5] kvm hypervisor : Add a hypercall to KVM hypervisor to support pv-ticketlocks Raghavendra K T
2012-01-14 18:26 ` Raghavendra K T [this message]
2012-01-14 18:26 ` [PATCH RFC V4 4/5] kvm : pv-ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
2012-01-14 18:27 ` [PATCH RFC V4 5/5] Documentation/kvm : Add documentation on Hypercalls and features used for PV spinlock Raghavendra K T
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