---

yaml --- r: 80733 b: refs/heads/master c: f2b5756 h: refs/heads/master i: 80731: 4ed0737 v: v3
git-mirror · Jan 30, 2008 · e158f34 · e158f34
1 parent 53eb068
commit e158f34
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Showing 3 changed files with 7 additions and 1 deletion.
diff --git a/[refs] b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: f096ed8588b53bf802b84862c6c4d00d25d1ed72
+refs/heads/master: f2b5756bb3fbdca912c4890e444c18650389d8ae
diff --git a/trunk/drivers/kvm/kvm.h b/trunk/drivers/kvm/kvm.h
@@ -249,6 +249,8 @@ struct kvm_stat {
 	u32 host_state_reload;
 	u32 efer_reload;
 	u32 fpu_reload;
+	u32 insn_emulation;
+	u32 insn_emulation_fail;
 };
 
 struct kvm_io_device {

diff --git a/trunk/drivers/kvm/x86.c b/trunk/drivers/kvm/x86.c
@@ -63,6 +63,8 @@ struct kvm_stats_debugfs_item debugfs_entries[] = {
 	{ "host_state_reload", STAT_OFFSET(host_state_reload) },
 	{ "efer_reload", STAT_OFFSET(efer_reload) },
 	{ "fpu_reload", STAT_OFFSET(fpu_reload) },
+	{ "insn_emulation", STAT_OFFSET(insn_emulation) },
+	{ "insn_emulation_fail", STAT_OFFSET(insn_emulation_fail) },
 	{ NULL }
 };
 
@@ -1381,7 +1383,9 @@ int emulate_instruction(struct kvm_vcpu *vcpu,
 					get_segment_base(vcpu, VCPU_SREG_FS);
 
 		r = x86_decode_insn(&vcpu->emulate_ctxt, &emulate_ops);
+		++vcpu->stat.insn_emulation;
 		if (r)  {
+			++vcpu->stat.insn_emulation_fail;
 			if (kvm_mmu_unprotect_page_virt(vcpu, cr2))
 				return EMULATE_DONE;
 			return EMULATE_FAIL;