Changeset 104941 in vbox

Timestamp:

Jun 17, 2024 1:14:56 PM (8 months ago)

Author:

vboxsync

Message:

VMM/IEM: Stats. bugref:10687

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAll.cpp (modified) (4 diffs)
• VMMR3/IEMR3.cpp (modified) (1 diff)
• include/IEMInternal.h (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/IEMAll.cpp

@@ -5975 +5975 @@
                                size_t cbMem, RTGCPTR GCPtrFirst, uint32_t fAccess)
 {
+    STAM_COUNTER_INC(&pVCpu->iem.s.StatMemBounceBufferCrossPage);
     Assert(cbMem <= GUEST_PAGE_SIZE);
 
@@ -6111 +6112 @@
                                               RTGCPHYS GCPhysFirst, uint32_t fAccess, VBOXSTRICTRC rcMap)
 {
+    STAM_COUNTER_INC(&pVCpu->iem.s.StatMemBounceBufferMapPhys);
+
     /*
      * Filter out conditions we can handle and the ones which shouldn't happen.
@@ -6234 +6237 @@
                        uint32_t fAccess, uint32_t uAlignCtl) RT_NOEXCEPT
 {
+    STAM_COUNTER_INC(&pVCpu->iem.s.StatMemMapNoJmp);
+
     /*
      * Check the input and figure out which mapping entry to use.
@@ -6617 +6622 @@
                    uint32_t uAlignCtl) IEM_NOEXCEPT_MAY_LONGJMP
 {
+    STAM_COUNTER_INC(&pVCpu->iem.s.StatMemMapJmp);
+
     /*
      * Check the input, check segment access and adjust address

trunk/src/VBox/VMM/VMMR3/IEMR3.cpp

@@ -730 +730 @@
 
 # endif /* VBOX_WITH_IEM_NATIVE_RECOMPILER */
+
+
+# ifdef VBOX_WITH_STATISTICS
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatMemMapJmp,       STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "iemMemMapJmp calls",                   "/IEM/CPU%u/iemMemMapJmp", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatMemMapNoJmp,     STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "iemMemMap calls",                      "/IEM/CPU%u/iemMemMapNoJmp", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatMemBounceBufferCrossPage, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "iemMemBounceBufferMapCrossPage calls", "/IEM/CPU%u/iemMemMapBounceBufferCrossPage", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatMemBounceBufferMapPhys, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "iemMemBounceBufferMapPhys calls",      "/IEM/CPU%u/iemMemMapBounceBufferMapPhys", idCpu);
+# endif
+
 
 #endif /* VBOX_WITH_IEM_RECOMPILER */

trunk/src/VBox/VMM/include/IEMInternal.h

@@ -2141 +2141 @@
     /** @} */
 
-    uint64_t                au64Padding[5];
+    /** iemMemMap and iemMemMapJmp statistics.
+     *  @{ */
+    STAMCOUNTER             StatMemMapJmp;
+    STAMCOUNTER             StatMemMapNoJmp;
+    STAMCOUNTER             StatMemBounceBufferCrossPage;
+    STAMCOUNTER             StatMemBounceBufferMapPhys;
+    /** @} */
+
+    uint64_t                au64Padding[1];
     /** @} */