Changeset 104468 in vbox for trunk/src/VBox/VMM/VMMR3/IEMR3.cpp

Timestamp:

May 1, 2024 12:43:28 AM (9 months ago)

Author:

vboxsync

Message:

VMM/IEM: Deal with the simples direct 'linking' of TBs scenario for relative jumps, when staying with the same code page. bugref:10656

File:

• trunk/src/VBox/VMM/VMMR3/IEMR3.cpp (modified) (1 diff)

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

@@ -680 +680 @@
                         "Number of times the TB finished raising a #XF exception",
                         RAISE_PREFIX "RaiseXf", idCpu);
+
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1Irq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 with IRQ check succeeded",
+                        "/IEM/CPU%u/re/NativeTbExit/DirectLinking1Irq", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1NoIrq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 w/o IRQ check succeeded",
+                        "/IEM/CPU%u/re/NativeTbExit/DirectLinking1NoIrq", idCpu);
+#  ifdef VBOX_WITH_STATISTICS
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1NoTb, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 failed: No TB in lookup table",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking1NoTb", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1MismatchGCPhysPc, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 failed: GCPhysPc mismatch",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking1MismatchGCPhysPc", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1MismatchFlags, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 failed: TB flags mismatch",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking1MismatchFlags", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking1PendingIrq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #1 failed: IRQ or FF pending",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking1PendingIrq", idCpu);
+#  endif
+
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2Irq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 with IRQ check succeeded",
+                        "/IEM/CPU%u/re/NativeTbExit/DirectLinking2Irq", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2NoIrq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 w/o IRQ check succeeded",
+                        "/IEM/CPU%u/re/NativeTbExit/DirectLinking2NoIrq", idCpu);
+#  ifdef VBOX_WITH_STATISTICS
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2NoTb, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 failed: No TB in lookup table",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking2NoTb", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2MismatchGCPhysPc, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 failed: GCPhysPc mismatch",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking2MismatchGCPhysPc", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2MismatchFlags, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 failed: TB flags mismatch",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking2MismatchFlags", idCpu);
+        STAMR3RegisterF(pVM, &pVCpu->iem.s.StatNativeTbExitDirectLinking2PendingIrq, STAMTYPE_COUNTER, STAMVISIBILITY_ALWAYS, STAMUNIT_COUNT,
+                        "Direct linking #2 failed: IRQ or FF pending",
+                        "/IEM/CPU%u/re/NativeTbExit/ReturnBreak/DirectLinking2PendingIrq", idCpu);
+#  endif
 
         RTStrPrintf(szPat, sizeof(szPat), "/IEM/CPU%u/re/NativeTbExit/*", idCpu); /* only immediate children, no sub folders */