Changeset 104957 in vbox for trunk/src/VBox/VMM

Timestamp:

Jun 18, 2024 12:13:41 PM (8 months ago)

Author:

vboxsync

Message:

VMM/IEM: TLB statistics tweaks & fixes. bugref:10687

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/IEMAllN8veRecompBltIn.cpp (modified) (2 diffs)
• VMMR3/IEMR3.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMAll/IEMAllN8veRecompBltIn.cpp

@@ -72 +72 @@
 IEM_DECL_NATIVE_HLP_DEF(void, iemNativeHlpMemCodeNewPageTlbMiss,(PVMCPUCC pVCpu))
 {
-    STAM_COUNTER_INC(&pVCpu->iem.s.StatNativeCodeTlbMissesNewPage);
+#ifdef IEM_WITH_TLB_STATISTICS
+    STAM_REL_COUNTER_INC(&pVCpu->iem.s.StatNativeCodeTlbMissesNewPage);
+#endif
     pVCpu->iem.s.pbInstrBuf       = NULL;
     pVCpu->iem.s.offCurInstrStart = GUEST_PAGE_SIZE;
@@ -92 +94 @@
 IEM_DECL_NATIVE_HLP_DEF(RTGCPHYS, iemNativeHlpMemCodeNewPageTlbMissWithOff,(PVMCPUCC pVCpu, uint8_t offInstr))
 {
-    STAM_COUNTER_INC(&pVCpu->iem.s.StatNativeCodeTlbMissesNewPageWithOffset);
+#ifdef IEM_WITH_TLB_STATISTICS
+    STAM_REL_COUNTER_INC(&pVCpu->iem.s.StatNativeCodeTlbMissesNewPageWithOffset);
+#endif
     pVCpu->iem.s.pbInstrBuf       = NULL;
     pVCpu->iem.s.offCurInstrStart = GUEST_PAGE_SIZE - offInstr;

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

@@ -344 +344 @@
         STAMR3RegisterSum(pVM->pUVM, STAMVISIBILITY_ALWAYS, szPat, "Code TLB hits",
                           "/IEM/CPU%u/Tlb/Code/Hits", idCpu);
+
+        RTStrPrintf(szVal, sizeof(szVal), "/IEM/CPU%u/Tlb/Code/Hits|/IEM/CPU%u/Tlb/Code/Misses", idCpu, idCpu);
+        STAMR3RegisterSum(pVM->pUVM, STAMVISIBILITY_ALWAYS, szPat, "Code TLB lookups (sum of hits and misses)",
+                          "/IEM/CPU%u/Tlb/Code/AllLookups", idCpu);
 
         RTStrPrintf(szVal, sizeof(szVal), "/IEM/CPU%u/Tlb/Code/Misses", idCpu);
@@ -458 +462 @@
         RTStrPrintf(szVal, sizeof(szVal), "/IEM/CPU%u/Tlb/Data/Hits|/IEM/CPU%u/Tlb/Data/Misses", idCpu, idCpu);
         STAMR3RegisterSum(pVM->pUVM, STAMVISIBILITY_ALWAYS, szPat, "Data TLB lookups (sum of hits and misses)",
-                          "/IEM/CPU%u/Tlb/Data/Hits/AllLookups", idCpu);
+                          "/IEM/CPU%u/Tlb/Data/AllLookups", idCpu);
 
         RTStrPrintf(szVal, sizeof(szVal), "/IEM/CPU%u/Tlb/Data/Misses", idCpu);