From: tip-bot for Srivatsa Vaddagiri <tipbot@zytor.com>
To: linux-tip-commits@vger.kernel.org
Cc: linux-kernel@vger.kernel.org, vatsa@linux.vnet.ibm.com,
hpa@zytor.com, mingo@kernel.org, gleb@redhat.com,
raghavendra.kt@linux.vnet.ibm.com, suzuki@in.ibm.com,
tglx@linutronix.de, hpa@linux.intel.com
Subject: [tip:x86/spinlocks] kvm guest: Add configuration support to enable debug information for KVM Guests
Date: Sat, 10 Aug 2013 09:15:26 -0700 [thread overview]
Message-ID: <tip-1e20eb8557cdabf76473b09572be8aa8a2bb9bc0@git.kernel.org> (raw)
In-Reply-To: <1376058122-8248-14-git-send-email-raghavendra.kt@linux.vnet.ibm.com>
Commit-ID: 1e20eb8557cdabf76473b09572be8aa8a2bb9bc0
Gitweb: http://git.kernel.org/tip/1e20eb8557cdabf76473b09572be8aa8a2bb9bc0
Author: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
AuthorDate: Fri, 9 Aug 2013 19:52:01 +0530
Committer: H. Peter Anvin <hpa@linux.intel.com>
CommitDate: Fri, 9 Aug 2013 07:54:18 -0700
kvm guest: Add configuration support to enable debug information for KVM Guests
Signed-off-by: Srivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Link: http://lkml.kernel.org/r/1376058122-8248-14-git-send-email-raghavendra.kt@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>
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
---
arch/x86/Kconfig | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index 112e712..b1fb846 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -657,6 +657,15 @@ 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
next prev parent reply other threads:[~2013-08-10 16:15 UTC|newest]
Thread overview: 40+ 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
2013-08-10 16:13 ` [tip:x86/spinlocks] x86, spinlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 02/14] x86/ticketlock: Don't inline _spin_unlock when using paravirt spinlocks Raghavendra K T
2013-08-10 16:13 ` [tip:x86/spinlocks] x86, ticketlock: Don' t " tip-bot for Raghavendra K T
2013-08-09 14:21 ` [PATCH V13 03/14] x86/ticketlock: Collapse a layer of functions Raghavendra K T
2013-08-10 16:13 ` [tip:x86/spinlocks] x86, ticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 04/14] xen: Defer spinlock setup until boot CPU setup Raghavendra K T
2013-08-10 16:13 ` [tip:x86/spinlocks] " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 05/14] xen/pvticketlock: Xen implementation for PV ticket locks Raghavendra K T
2013-08-10 16:13 ` [tip:x86/spinlocks] xen, pvticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 06/14] xen/pvticketlocks: Add xen_nopvspin parameter to disable xen pv ticketlocks Raghavendra K T
2013-08-10 16:14 ` [tip:x86/spinlocks] xen, pvticketlocks: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 07/14] x86/pvticketlock: Use callee-save for lock_spinning Raghavendra K T
2013-08-10 16:14 ` [tip:x86/spinlocks] x86, pvticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 08/14] x86/pvticketlock: When paravirtualizing ticket locks, increment by 2 Raghavendra K T
2013-08-10 16:14 ` [tip:x86/spinlocks] x86, pvticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 09/14] jump_label: Split jumplabel ratelimit Raghavendra K T
2013-08-10 16:14 ` [tip:x86/spinlocks] " tip-bot for Andrew Jones
2013-08-09 14:21 ` [PATCH V13 10/14] x86/ticketlock: Add slowpath logic Raghavendra K T
2013-08-10 16:14 ` [tip:x86/spinlocks] x86, ticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:21 ` [PATCH V13 11/14] xen/pvticketlock: Allow interrupts to be enabled while blocking Raghavendra K T
2013-08-10 16:15 ` [tip:x86/spinlocks] xen, pvticketlock: " tip-bot for Jeremy Fitzhardinge
2013-08-09 14:22 ` [PATCH V13 12/14] kvm uapi: Add KICK_CPU and PV_UNHALT definition to uapi Raghavendra K T
2013-08-10 16:15 ` [tip:x86/spinlocks] " tip-bot for Raghavendra K T
2013-08-09 14:22 ` [PATCH V13 13/14] kvm guest : Add configuration support to enable debug information for KVM Guests Raghavendra K T
2013-08-10 16:15 ` tip-bot for Srivatsa Vaddagiri [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 16:15 ` [tip:x86/spinlocks] kvm: " tip-bot for Srivatsa Vaddagiri
2013-08-10 19:38 ` [PATCH RESEND V13 14/14] kvm : " Raghavendra K T
2013-08-12 17:27 ` [tip:x86/spinlocks] kvm: " tip-bot for Srivatsa Vaddagiri
2013-08-13 16:42 ` [PATCH RESEND V13 14/14] kvm : " 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
2013-08-14 12:49 ` [tip:x86/spinlocks] kvm: " tip-bot for Srivatsa Vaddagiri
2013-08-11 5:35 ` [PATCH RESEND V13 14/14] kvm : " Raghavendra K T
-- strict thread matches above, loose matches on Subject: below --
2013-08-06 11:45 [PATCH V12 13/14] kvm guest : Add configuration support to enable debug information for KVM Guests Raghavendra K T
2013-08-08 23:21 ` [tip:x86/spinlocks] " tip-bot for Srivatsa Vaddagiri
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