[Xen-changelog] [xen-unstable] x86, svm: Adds nested paging performance counter to svmexit

[Xen patchbot-unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir@xxxxxxxxxxxxx>
# Date 1193995851 0
# Node ID 3582a7a52c103194bc5cbf9c0fac41020b87c0f2
# Parent  b41333afc9cc6498bedc6c338becec7aeb165b4c
x86, svm: Adds nested paging performance counter to svmexit
PERFCOUNTER_ARRAY while keeping array compacted.
Signed-off-by: Stephen Wilson <stephen.wilson@xxxxxxx>
---
 xen/arch/x86/hvm/svm/svm.c       |    1 +
 xen/include/asm-x86/perfc_defn.h |    3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff -r b41333afc9cc -r 3582a7a52c10 xen/arch/x86/hvm/svm/svm.c
--- a/xen/arch/x86/hvm/svm/svm.c        Fri Nov 02 09:16:57 2007 +0000
+++ b/xen/arch/x86/hvm/svm/svm.c        Fri Nov 02 09:30:51 2007 +0000
@@ -2286,6 +2286,7 @@ asmlinkage void svm_vmexit_handler(struc
         break;
 
     case VMEXIT_NPF:
+        perfc_incra(svmexits, VMEXIT_NPF_PERFC);
         regs->error_code = vmcb->exitinfo1;
         svm_do_nested_pgfault(vmcb->exitinfo2, regs);
         break;
diff -r b41333afc9cc -r 3582a7a52c10 xen/include/asm-x86/perfc_defn.h
--- a/xen/include/asm-x86/perfc_defn.h  Fri Nov 02 09:16:57 2007 +0000
+++ b/xen/include/asm-x86/perfc_defn.h  Fri Nov 02 09:30:51 2007 +0000
@@ -9,7 +9,8 @@ PERFCOUNTER_ARRAY(vmexits,              
 PERFCOUNTER_ARRAY(vmexits,              "vmexits", VMX_PERF_EXIT_REASON_SIZE)
 PERFCOUNTER_ARRAY(cause_vector,         "cause vector", VMX_PERF_VECTOR_SIZE)
 
-#define SVM_PERF_EXIT_REASON_SIZE (1+136)
+#define VMEXIT_NPF_PERFC 137
+#define SVM_PERF_EXIT_REASON_SIZE (1+137)
 PERFCOUNTER_ARRAY(svmexits,             "SVMexits", SVM_PERF_EXIT_REASON_SIZE)
 
 PERFCOUNTER(seg_fixups,             "segmentation fixups")

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