[Xen-devel] [PATCH V12 13/14] kvm guest : Add configuration support to enable debug information for KVM Guests

[Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>]

kvm guest : Add configuration support to enable debug information for KVM Guests

From: Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx>

Signed-off-by: Srivatsa Vaddagiri <vatsa@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Suzuki Poulose <suzuki@xxxxxxxxxx>
Signed-off-by: Raghavendra K T <raghavendra.kt@xxxxxxxxxxxxxxxxxx>
Acked-by: Gleb Natapov <gleb@xxxxxxxxxx>
Acked-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 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


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