diff options
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2010-08-30 18:22:53 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2010-10-24 10:51:56 +0200 |
| commit | 8b1fe17cc7a8b2c62b400dcbfaebd96da6b4f58e (patch) | |
| tree | d453a7a24163e58fee9830b42c101fd717a0f67c /arch/x86/kvm/mmutrace.h | |
| parent | 84e0cefa8ddd5d5018d3b582e1e90585ed551757 (diff) | |
KVM: MMU: support disable/enable mmu audit dynamicly
Add a r/w module parameter named 'mmu_audit', it can control audit
enable/disable:
enable:
echo 1 > /sys/module/kvm/parameters/mmu_audit
disable:
echo 0 > /sys/module/kvm/parameters/mmu_audit
This patch not change the logic
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmutrace.h')
| -rw-r--r-- | arch/x86/kvm/mmutrace.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmutrace.h b/arch/x86/kvm/mmutrace.h index 3aab0f0930ef..b60b4fdb3eda 100644 --- a/arch/x86/kvm/mmutrace.h +++ b/arch/x86/kvm/mmutrace.h @@ -195,6 +195,25 @@ DEFINE_EVENT(kvm_mmu_page_class, kvm_mmu_prepare_zap_page, TP_ARGS(sp) ); + +TRACE_EVENT( + kvm_mmu_audit, + TP_PROTO(struct kvm_vcpu *vcpu, int audit_point), + TP_ARGS(vcpu, audit_point), + + TP_STRUCT__entry( + __field(struct kvm_vcpu *, vcpu) + __field(int, audit_point) + ), + + TP_fast_assign( + __entry->vcpu = vcpu; + __entry->audit_point = audit_point; + ), + + TP_printk("vcpu:%d %s", __entry->vcpu->cpu, + audit_point_name[__entry->audit_point]) +); #endif /* _TRACE_KVMMMU_H */ #undef TRACE_INCLUDE_PATH |