kvm guest: Add configuration support to enable debug information for KVM Guests
authorSrivatsa Vaddagiri <vatsa@linux.vnet.ibm.com>
Fri, 9 Aug 2013 14:22:01 +0000 (19:52 +0530)
committerH. Peter Anvin <hpa@linux.intel.com>
Fri, 9 Aug 2013 14:54:18 +0000 (07:54 -0700)
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

index 112e71264542a1aaefcef8b48b3939b54fd9ec35..b1fb846e6dacb97dbdb1dbb667d83b49258d514f 100644 (file)
@@ -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