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authorFeng(Eric) Liu <eric.e.liu@intel.com>2008-04-10 08:47:53 -0400
committerAvi Kivity <avi@qumranet.com>2008-04-27 05:01:22 -0400
commitd4c9ff2d1b78e385471b3f4d80c0596909926ef7 (patch)
tree5551c0f6c56439df39ca434115840f4e36cee2ea /arch/x86/kvm/Kconfig
parent048354c8e6bf95e7347f623d8a0da5b89e216405 (diff)
KVM: Add kvm trace userspace interface
This interface allows user a space application to read the trace of kvm related events through relayfs. Signed-off-by: Feng (Eric) Liu <eric.e.liu@intel.com> Signed-off-by: Avi Kivity <avi@qumranet.com>
Diffstat (limited to 'arch/x86/kvm/Kconfig')
-rw-r--r--arch/x86/kvm/Kconfig11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig
index 76c70ab44382..8d45fabc5f3b 100644
--- a/arch/x86/kvm/Kconfig
+++ b/arch/x86/kvm/Kconfig
@@ -50,6 +50,17 @@ config KVM_AMD
50 Provides support for KVM on AMD processors equipped with the AMD-V 50 Provides support for KVM on AMD processors equipped with the AMD-V
51 (SVM) extensions. 51 (SVM) extensions.
52 52
53config KVM_TRACE
54 bool "KVM trace support"
55 depends on KVM && MARKERS && SYSFS
56 select RELAY
57 select DEBUG_FS
58 default n
59 ---help---
60 This option allows reading a trace of kvm-related events through
61 relayfs. Note the ABI is not considered stable and will be
62 modified in future updates.
63
53# OK, it's a little counter-intuitive to do this, but it puts it neatly under 64# OK, it's a little counter-intuitive to do this, but it puts it neatly under
54# the virtualization menu. 65# the virtualization menu.
55source drivers/lguest/Kconfig 66source drivers/lguest/Kconfig