Changeset 61150 in vbox for trunk/src/VBox/VMM

Timestamp:

May 24, 2016 7:27:46 AM (9 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

107431

Message:

VMM/APIC: Added stat counters for ICR Lo (IPIs) and timer ICR writes.

Location:

trunk/src/VBox/VMM

Files:

• VMMAll/APICAll.cpp (modified) (2 diffs)
• VMMR3/APIC.cpp (modified) (1 diff)
• include/APICInternal.h (modified) (1 diff)

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

@@ -1032 +1032 @@
     pXApicPage->icr_lo.all.u32IcrLo = uIcrLo & XAPIC_ICR_LO_WR_VALID;
     Log2(("APIC%u: apicSetIcrLo: uIcrLo=%#RX32\n", pVCpu->idCpu, pXApicPage->icr_lo.all.u32IcrLo));
+    STAM_COUNTER_INC(&pVCpu->apic.s.StatIcrLoWrite);
 
     return apicSendIpi(pVCpu, rcRZ);
@@ -1346 +1347 @@
     PTMTIMER   pTimer     = pApicCpu->CTX_SUFF(pTimer);
 
+    Log2(("APIC%u: apicSetTimerIcr: uInitialCount=%#RX32\n", pVCpu->idCpu, uInitialCount));
+    STAM_COUNTER_INC(&pApicCpu->StatTimerIcrWrite);
+
     /* In TSC-deadline mode, timer ICR writes are ignored, see Intel spec. 10.5.4.1 "TSC-Deadline Mode". */
     if (   pApic->fSupportsTscDeadline
         && pXApicPage->lvt_timer.u.u2TimerMode == XAPIC_TIMER_MODE_TSC_DEADLINE)
         return VINF_SUCCESS;
-
-    Log2(("APIC%u: apicSetTimerIcr: uInitialCount=%#RX32\n", pVCpu->idCpu, uInitialCount));
 
     /*

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

@@ -1700 +1700 @@
         APIC_REG_COUNTER(&pApicCpu->StatMaskedByTpr,   "Number of times TPR masks an interrupt in APICGetInterrupt.",
                          "/Devices/APIC/%u/MaskedByTpr");
-        APIC_REG_COUNTER(&pApicCpu->StatMaskedByPpr,   "Number of time PPR masks an interrupt in APICGetInterrupt.",
+        APIC_REG_COUNTER(&pApicCpu->StatMaskedByPpr,   "Number of times PPR masks an interrupt in APICGetInterrupt.",
                          "/Devices/APIC/%u/MaskedByPpr");
+        APIC_REG_COUNTER(&pApicCpu->StatTimerIcrWrite, "Number of times the timer ICR is written.",
+                         "/Devices/APIC/%u/TimerIcrWrite");
+        APIC_REG_COUNTER(&pApicCpu->StatIcrLoWrite,    "Number of times the ICR Lo (send IPI) is written.",
+                         "/Devices/APIC/%u/IcrLoWrite");
     }
 # undef APIC_PROF_COUNTER

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

@@ -1356 +1356 @@
     /** Number of times PPR masks an interrupt in APICGetInterrupt(). */
     STAMCOUNTER                 StatMaskedByPpr;
+    /** Number of times the timer ICR is written. */
+    STAMCOUNTER                 StatTimerIcrWrite;
+    /** Number of times the ICR Lo (send IPI) is written. */
+    STAMCOUNTER                 StatIcrLoWrite;
     /** @} */
 #endif