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| author | Feng(Eric) Liu <eric.e.liu@intel.com> | 2008-04-10 08:47:53 -0400 |
|---|---|---|
| committer | Avi Kivity <avi@qumranet.com> | 2008-04-27 12:01:22 +0300 |
| commit | d4c9ff2d1b78e385471b3f4d80c0596909926ef7 (patch) | |
| tree | 5551c0f6c56439df39ca434115840f4e36cee2ea /arch | |
| parent | 048354c8e6bf95e7347f623d8a0da5b89e216405 (diff) | |
| download | linux-3.10-d4c9ff2d1b78e385471b3f4d80c0596909926ef7.tar.gz linux-3.10-d4c9ff2d1b78e385471b3f4d80c0596909926ef7.tar.bz2 linux-3.10-d4c9ff2d1b78e385471b3f4d80c0596909926ef7.zip | |
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')
| -rw-r--r-- | arch/x86/kvm/Kconfig | 11 | ||||
| -rw-r--r-- | arch/x86/kvm/Makefile | 3 |
2 files changed, 14 insertions, 0 deletions
diff --git a/arch/x86/kvm/Kconfig b/arch/x86/kvm/Kconfig index 76c70ab4438..8d45fabc5f3 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 diff --git a/arch/x86/kvm/Makefile b/arch/x86/kvm/Makefile index 4d0c22e11f1..c97d35c218d 100644 --- a/arch/x86/kvm/Makefile +++ b/arch/x86/kvm/Makefile @@ -3,6 +3,9 @@ # common-objs = $(addprefix ../../../virt/kvm/, kvm_main.o ioapic.o) +ifeq ($(CONFIG_KVM_TRACE),y) +common-objs += $(addprefix ../../../virt/kvm/, kvm_trace.o) +endif EXTRA_CFLAGS += -Ivirt/kvm -Iarch/x86/kvm |