From: Avi Kivity <avi@redhat.com>
To: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>
Cc: Greg Kroah-Hartman <gregkh@suse.de>, KVM <kvm@vger.kernel.org>,
Sedat Dilek <sedat.dilek@gmail.com>,
Ingo Molnar <mingo@redhat.com>,
Virtualization <virtualization@lists.linux-foundation.org>,
Jeremy Fitzhardinge <jeremy.fitzhardinge@citrix.com>,
x86@kernel.org, "H. Peter Anvin" <hpa@zytor.com>,
Dave Jiang <dave.jiang@intel.com>,
Thomas Gleixner <tglx@linutronix.de>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>,
Gleb Natapov <gleb@redhat.com>, Yinghai Lu <yinghai@kernel.org>,
Marcelo Tosatti <mtosatti@redhat.com>,
Xen <xen-devel@lists.xensource.com>,
Rik van Riel <riel@redhat.com>,
Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
LKML <linux-kernel@vger.kernel.org>,
Suzuki Poulose <suzuki@linux.vnet.ibm.com>,
Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>,
Peter Zijlstra <peterz@infradead.org>
Subject: Re: [PATCH RFC V2 4/5] kvm guest : Added configuration support to enable debug information for KVM Guests
Date: Mon, 24 Oct 2011 12:15:14 +0200 [thread overview]
Message-ID: <4EA53AB2.9050805@redhat.com> (raw)
In-Reply-To: <20111023190700.16364.7548.sendpatchset@oc5400248562.ibm.com>
On 10/23/2011 09:07 PM, Raghavendra K T wrote:
> 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"
>
>
This might be better implemented through tracepoints, which an be
enabled dynamically.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
next prev parent reply other threads:[~2011-10-24 10:15 UTC|newest]
Thread overview: 36+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-23 19:03 [PATCH RFC V2 0/5] kvm : Paravirt-spinlock support for KVM guests Raghavendra K T
2011-10-23 19:04 ` [PATCH RFC V2 1/5] debugfs: Add support to print u32 array in debugfs Raghavendra K T
2011-10-23 19:04 ` [PATCH RFC V2 2/5] debugfs: Renaming of xen functions and change unsigned to u32 Raghavendra K T
2011-10-23 22:19 ` Greg KH
2011-10-24 9:28 ` Raghavendra K T
2011-10-24 9:38 ` Greg KH
2011-10-23 19:05 ` [PATCH RFC V2 3/5] kvm hypervisor : Add two hypercalls to support pv-ticketlock Raghavendra K T
2011-10-23 19:07 ` [PATCH RFC V2 4/5] kvm guest : Added configuration support to enable debug information for KVM Guests Raghavendra K T
2011-10-24 10:01 ` Sasha Levin
2011-10-24 18:45 ` Raghavendra K T
2011-10-24 10:15 ` Avi Kivity [this message]
2011-10-25 18:11 ` Raghavendra K T
2011-10-25 18:30 ` Jeremy Fitzhardinge
2011-10-23 19:07 ` [PATCH RFC V2 5/5] kvm guest : pv-ticketlocks support for linux guests running on KVM hypervisor Raghavendra K T
[not found] ` <20111023190403.16364.30897.sendpatchset@oc5400248562.ibm.com>
2011-10-23 22:20 ` [PATCH RFC V2 1/5] debugfs: Add support to print u32 array in debugfs Greg KH
2011-10-24 9:30 ` Raghavendra K T
[not found] ` <20111023190558.16364.2136.sendpatchset@oc5400248562.ibm.com>
2011-10-24 10:01 ` [PATCH RFC V2 3/5] kvm hypervisor : Add two hypercalls to support pv-ticketlock Sasha Levin
2011-10-24 11:00 ` Raghavendra K T
2011-10-24 10:14 ` Avi Kivity
2011-10-24 11:20 ` Raghavendra K T
2011-10-24 12:27 ` Srivatsa Vaddagiri
2011-10-24 13:09 ` Avi Kivity
2011-10-24 13:50 ` Srivatsa Vaddagiri
2011-10-25 18:24 ` Raghavendra K T
2011-10-26 10:34 ` Avi Kivity
2011-10-26 19:08 ` Raghavendra K T
2011-10-27 10:17 ` Avi Kivity
2011-10-26 20:09 ` Jeremy Fitzhardinge
[not found] ` <20111023190753.16364.31164.sendpatchset@oc5400248562.ibm.com>
2011-10-24 10:01 ` [PATCH RFC V2 5/5] kvm guest : pv-ticketlocks support for linux guests running on KVM hypervisor Sasha Levin
2011-10-24 9:33 ` Raghavendra K T
2011-10-25 18:34 ` Jeremy Fitzhardinge
2011-10-26 19:23 ` Raghavendra K T
2011-10-26 19:46 ` Jeremy Fitzhardinge
2011-10-26 19:55 ` Raghavendra K T
2011-10-25 18:35 ` Jeremy Fitzhardinge
2011-10-26 19:25 ` Raghavendra K T
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