From d4c9ff2d1b78e385471b3f4d80c0596909926ef7 Mon Sep 17 00:00:00 2001 From: "Feng(Eric) Liu" Date: Thu, 10 Apr 2008 08:47:53 -0400 Subject: 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 Signed-off-by: Avi Kivity --- arch/x86/kvm/Kconfig | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/x86/kvm/Kconfig') 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 Provides support for KVM on AMD processors equipped with the AMD-V (SVM) extensions. +config KVM_TRACE + bool "KVM trace support" + depends on KVM && MARKERS && SYSFS + select RELAY + select DEBUG_FS + default n + ---help--- + This option allows reading a trace of kvm-related events through + relayfs. Note the ABI is not considered stable and will be + modified in future updates. + # OK, it's a little counter-intuitive to do this, but it puts it neatly under # the virtualization menu. source drivers/lguest/Kconfig -- cgit