From: Raghavendra K T <raghukt@linux.vnet.ibm.com>
To: Avi Kivity <avi@redhat.com>
Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com>,
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: Tue, 25 Oct 2011 23:41:54 +0530 [thread overview]
Message-ID: <4EA6FBEA.8080506@linux.vnet.ibm.com> (raw)
In-Reply-To: <4EA53AB2.9050805@redhat.com>
On 10/24/2011 03:45 PM, Avi Kivity wrote:
> 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.
>
Interesting option. I 'll explore this one. Thanks for pointing.
next prev parent reply other threads:[~2011-10-25 18:11 UTC|newest]
Thread overview: 60+ 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 19:03 ` 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 22:20 ` Greg KH
2011-10-24 9:30 ` Raghavendra K T
2011-10-23 19:04 ` Raghavendra K T
2011-10-23 19:04 ` 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 19:04 ` 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 19:04 ` Raghavendra K T
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 19:05 ` Raghavendra K T
2011-10-24 10:01 ` Sasha Levin
2011-10-24 10:01 ` Sasha Levin
2011-10-24 11:00 ` Raghavendra K T
2011-10-24 11:00 ` Raghavendra K T
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
2011-10-26 19:08 ` Raghavendra K T
2011-10-26 19:08 ` Raghavendra K T
2011-10-27 10:17 ` Avi Kivity
2011-10-27 10:17 ` Avi Kivity
2011-10-26 20:09 ` Jeremy Fitzhardinge
2011-10-26 20:09 ` Jeremy Fitzhardinge
2011-10-26 20:09 ` Jeremy Fitzhardinge
2011-10-23 19:05 ` 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
2011-10-23 19:07 ` Raghavendra K T
2011-10-23 19:07 ` Raghavendra K T
2011-10-24 10:01 ` Sasha Levin
2011-10-24 10:01 ` Sasha Levin
2011-10-24 18:45 ` Raghavendra K T
2011-10-24 18:45 ` Raghavendra K T
2011-10-24 18:45 ` Raghavendra K T
2011-10-24 10:15 ` Avi Kivity
2011-10-25 18:11 ` Raghavendra K T [this message]
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
2011-10-23 19:07 ` Raghavendra K T
2011-10-24 10:01 ` Sasha Levin
2011-10-24 9:33 ` Raghavendra K T
2011-10-24 9:33 ` Raghavendra K T
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
2011-10-23 19:07 ` Raghavendra K T
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=4EA6FBEA.8080506@linux.vnet.ibm.com \
--to=raghukt@linux.vnet.ibm.com \
--cc=avi@redhat.com \
--cc=dave.jiang@intel.com \
--cc=gleb@redhat.com \
--cc=gregkh@suse.de \
--cc=hpa@zytor.com \
--cc=jeremy.fitzhardinge@citrix.com \
--cc=konrad.wilk@oracle.com \
--cc=kvm@vger.kernel.org \
--cc=linux-kernel@vger.kernel.org \
--cc=mingo@redhat.com \
--cc=mtosatti@redhat.com \
--cc=peterz@infradead.org \
--cc=raghavendra.kt@linux.vnet.ibm.com \
--cc=riel@redhat.com \
--cc=sedat.dilek@gmail.com \
--cc=stefano.stabellini@eu.citrix.com \
--cc=suzuki@linux.vnet.ibm.com \
--cc=tglx@linutronix.de \
--cc=vatsa@linux.vnet.ibm.com \
--cc=virtualization@lists.linux-foundation.org \
--cc=x86@kernel.org \
--cc=xen-devel@lists.xensource.com \
--cc=yinghai@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.