diff options
| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2011-07-12 03:34:24 +0800 |
|---|---|---|
| committer | Avi Kivity <avi@redhat.com> | 2011-07-24 11:50:41 +0300 |
| commit | 4f0226482d20f104e943ee9e6f1218b573953f63 (patch) | |
| tree | 5e74a1b7829e48433640de3708e593b365cb7405 /arch/x86/kvm/mmu.c | |
| parent | ce88decffd17bf9f373cc233c961ad2054965667 (diff) | |
KVM: MMU: trace mmio page fault
Add tracepoints to trace mmio page fault
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Avi Kivity <avi@redhat.com>
Diffstat (limited to 'arch/x86/kvm/mmu.c')
| -rw-r--r-- | arch/x86/kvm/mmu.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 4e22df6f93ec..9335e1bf72ad 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -211,6 +211,7 @@ static void mark_mmio_spte(u64 *sptep, u64 gfn, unsigned access) { access &= ACC_WRITE_MASK | ACC_USER_MASK; + trace_mark_mmio_spte(sptep, gfn, access); mmu_spte_set(sptep, shadow_mmio_mask | access | gfn << PAGE_SHIFT); } @@ -1940,6 +1941,8 @@ static void kvm_mmu_commit_zap_page(struct kvm *kvm, kvm_mmu_isolate_pages(invalid_list); sp = list_first_entry(invalid_list, struct kvm_mmu_page, link); list_del_init(invalid_list); + + trace_kvm_mmu_delay_free_pages(sp); call_rcu(&sp->rcu, free_pages_rcu); return; } @@ -2938,6 +2941,8 @@ int handle_mmio_page_fault_common(struct kvm_vcpu *vcpu, u64 addr, bool direct) if (direct) addr = 0; + + trace_handle_mmio_page_fault(addr, gfn, access); vcpu_cache_mmio_info(vcpu, addr, gfn, access); return 1; } |