diff options
Diffstat (limited to 'drivers/kvm/mmu.c')
-rw-r--r-- | drivers/kvm/mmu.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/kvm/mmu.c b/drivers/kvm/mmu.c index 9be54a5e858e..87d8e70fe502 100644 --- a/drivers/kvm/mmu.c +++ b/drivers/kvm/mmu.c | |||
@@ -755,6 +755,7 @@ static void kvm_mmu_zap_page(struct kvm *kvm, | |||
755 | { | 755 | { |
756 | u64 *parent_pte; | 756 | u64 *parent_pte; |
757 | 757 | ||
758 | ++kvm->stat.mmu_shadow_zapped; | ||
758 | while (page->multimapped || page->parent_pte) { | 759 | while (page->multimapped || page->parent_pte) { |
759 | if (!page->multimapped) | 760 | if (!page->multimapped) |
760 | parent_pte = page->parent_pte; | 761 | parent_pte = page->parent_pte; |
@@ -1226,9 +1227,12 @@ static void mmu_pte_write_new_pte(struct kvm_vcpu *vcpu, | |||
1226 | const void *new, int bytes, | 1227 | const void *new, int bytes, |
1227 | int offset_in_pte) | 1228 | int offset_in_pte) |
1228 | { | 1229 | { |
1229 | if (page->role.level != PT_PAGE_TABLE_LEVEL) | 1230 | if (page->role.level != PT_PAGE_TABLE_LEVEL) { |
1231 | ++vcpu->kvm->stat.mmu_pde_zapped; | ||
1230 | return; | 1232 | return; |
1233 | } | ||
1231 | 1234 | ||
1235 | ++vcpu->kvm->stat.mmu_pte_updated; | ||
1232 | if (page->role.glevels == PT32_ROOT_LEVEL) | 1236 | if (page->role.glevels == PT32_ROOT_LEVEL) |
1233 | paging32_update_pte(vcpu, page, spte, new, bytes, | 1237 | paging32_update_pte(vcpu, page, spte, new, bytes, |
1234 | offset_in_pte); | 1238 | offset_in_pte); |
@@ -1263,6 +1267,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, | |||
1263 | int npte; | 1267 | int npte; |
1264 | 1268 | ||
1265 | pgprintk("%s: gpa %llx bytes %d\n", __FUNCTION__, gpa, bytes); | 1269 | pgprintk("%s: gpa %llx bytes %d\n", __FUNCTION__, gpa, bytes); |
1270 | ++vcpu->kvm->stat.mmu_pte_write; | ||
1266 | kvm_mmu_audit(vcpu, "pre pte write"); | 1271 | kvm_mmu_audit(vcpu, "pre pte write"); |
1267 | if (gfn == vcpu->last_pt_write_gfn | 1272 | if (gfn == vcpu->last_pt_write_gfn |
1268 | && !last_updated_pte_accessed(vcpu)) { | 1273 | && !last_updated_pte_accessed(vcpu)) { |
@@ -1296,6 +1301,7 @@ void kvm_mmu_pte_write(struct kvm_vcpu *vcpu, gpa_t gpa, | |||
1296 | pgprintk("misaligned: gpa %llx bytes %d role %x\n", | 1301 | pgprintk("misaligned: gpa %llx bytes %d role %x\n", |
1297 | gpa, bytes, page->role.word); | 1302 | gpa, bytes, page->role.word); |
1298 | kvm_mmu_zap_page(vcpu->kvm, page); | 1303 | kvm_mmu_zap_page(vcpu->kvm, page); |
1304 | ++vcpu->kvm->stat.mmu_flooded; | ||
1299 | continue; | 1305 | continue; |
1300 | } | 1306 | } |
1301 | page_offset = offset; | 1307 | page_offset = offset; |
@@ -1344,6 +1350,7 @@ void __kvm_mmu_free_some_pages(struct kvm_vcpu *vcpu) | |||
1344 | page = container_of(vcpu->kvm->active_mmu_pages.prev, | 1350 | page = container_of(vcpu->kvm->active_mmu_pages.prev, |
1345 | struct kvm_mmu_page, link); | 1351 | struct kvm_mmu_page, link); |
1346 | kvm_mmu_zap_page(vcpu->kvm, page); | 1352 | kvm_mmu_zap_page(vcpu->kvm, page); |
1353 | ++vcpu->kvm->stat.mmu_recycled; | ||
1347 | } | 1354 | } |
1348 | } | 1355 | } |
1349 | 1356 | ||