diff options
| author | Xiao Guangrong | 2012-06-20 09:59:41 +0200 |
|---|---|---|
| committer | Avi Kivity | 2012-07-11 15:51:21 +0200 |
| commit | a72faf2504dfc12ff9bfb486a42f2761296666ff (patch) | |
| tree | bc8d0c376d90f06d146cb8831ef44cc0b43f66b5 /arch/x86/kvm/mmu.c | |
| parent | KVM: MMU: fast path of handling guest page fault (diff) | |
| download | kernel-qcow2-linux-a72faf2504dfc12ff9bfb486a42f2761296666ff.tar.gz kernel-qcow2-linux-a72faf2504dfc12ff9bfb486a42f2761296666ff.tar.xz kernel-qcow2-linux-a72faf2504dfc12ff9bfb486a42f2761296666ff.zip | |
KVM: MMU: trace fast page fault
To see what happen on this path and help us to optimize it
Signed-off-by: Xiao Guangrong <xiaoguangrong@linux.vnet.ibm.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 | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index 8637bffbdb4a..28c8fbcc6763 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -2776,6 +2776,8 @@ static bool fast_page_fault(struct kvm_vcpu *vcpu, gva_t gva, int level, */ ret = fast_pf_fix_direct_spte(vcpu, iterator.sptep, spte); exit: + trace_fast_page_fault(vcpu, gva, error_code, iterator.sptep, + spte, ret); walk_shadow_page_lockless_end(vcpu); return ret; |