Changeset 60752 in vbox

Timestamp:

Apr 29, 2016 12:09:13 AM (8 years ago)

Author:

vboxsync

Message:

VMM/APIC: Add stat counters for TPR read,writes and EOI writes.

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/APICAll.cpp (modified) (3 diffs)
• VMMR3/APIC.cpp (modified) (1 diff)
• include/APICInternal.h (modified) (1 diff)

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

@@ -1101 +1101 @@
 {
     VMCPU_ASSERT_EMT(pVCpu);
+    STAM_COUNTER_INC(&pVCpu->apic.s.StatTprRead);
 
     /*
@@ -1127 +1128 @@
 
     Log2(("APIC%u: apicSetTpr: uTpr=%#RX32\n", pVCpu->idCpu, uTpr));
-
+    STAM_COUNTER_INC(&pVCpu->apic.s.StatTprWrite);
     if (   XAPIC_IN_X2APIC_MODE(pVCpu)
         && (uTpr & ~XAPIC_TPR))
@@ -1152 +1153 @@
 
     Log2(("APIC%u: apicSetEoi: uEoi=%#RX32\n", pVCpu->idCpu, uEoi));
+    STAM_COUNTER_INC(&pVCpu->apic.s.StatEoiWrite);
 
     if (   XAPIC_IN_X2APIC_MODE(pVCpu)

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

@@ -1696 +1696 @@
         APIC_REG_COUNTER(&pApicCpu->StatTimerCallback,  "Number of times the timer callback is invoked.",
                          "/Devices/APIC/%u/TimerCallback");
+
+        APIC_REG_COUNTER(&pApicCpu->StatTprWrite,  "Number of TPR writes.", "/Devices/APIC/%u/TprWrite");
+        APIC_REG_COUNTER(&pApicCpu->StatTprRead,   "Number of TPR reads.",  "/Devices/APIC/%u/TprRead");
+        APIC_REG_COUNTER(&pApicCpu->StatEoiWrite,  "Number of EOI writes.", "/Devices/APIC/%u/EoiWrite");
     }
 # undef APIC_PROF_COUNTER

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

@@ -599 +599 @@
     /** Number of times the timer callback is invoked. */
     STAMCOUNTER                 StatTimerCallback;
+    /** Number of times the TPR is written. */
+    STAMCOUNTER                 StatTprWrite;
+    /** Number of times the TPR is read. */
+    STAMCOUNTER                 StatTprRead;
+    /** Number of times the EOI is written. */
+    STAMCOUNTER                 StatEoiWrite;
     /** @} */
 #endif