Changeset 81463 in vbox for trunk/src/VBox/VMM

Timestamp:

Oct 23, 2019 12:56:39 AM (5 years ago)

Author:

vboxsync

Message:

IOM: Commit stats. bugref:9218

Location:

trunk/src/VBox/VMM

Files:

• VMMR3/IOM.cpp (modified) (5 diffs)
• include/IOMInternal.h (modified) (2 diffs)

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

@@ -208 +208 @@
      * Statistics.
      */
+    STAM_REG(pVM, &pVM->iom.s.StatIoPortCommits,      STAMTYPE_COUNTER, "/IOM/IoPortCommits",                       STAMUNIT_OCCURENCES,     "Number of ring-3 I/O port commits.");
+
     STAM_REL_REG(pVM, &pVM->iom.s.StatMMIOStaleMappings, STAMTYPE_PROFILE, "/IOM/MMIOStaleMappings",                STAMUNIT_TICKS_PER_CALL, "Number of times iomMmioHandlerNew got a call for a remapped range at the old mapping.");
     STAM_REG(pVM, &pVM->iom.s.StatRZMMIOHandler,      STAMTYPE_PROFILE, "/IOM/RZ-MMIOHandler",                      STAMUNIT_TICKS_PER_CALL, "Profiling of the iomMmioPfHandler() body, only success calls.");
@@ -223 +225 @@
     STAM_REG(pVM, &pVM->iom.s.StatMmioPfHandlerNew,   STAMTYPE_COUNTER, "/IOM/MmioPfHandlerNew",                    STAMUNIT_OCCURENCES,     "Number of calls to iomMmioPfHandlerNew.");
     STAM_REG(pVM, &pVM->iom.s.StatMmioPhysHandlerNew, STAMTYPE_COUNTER, "/IOM/MmioPhysHandlerNew",                  STAMUNIT_OCCURENCES,     "Number of calls to IOMR0MmioPhysHandler.");
+    STAM_REG(pVM, &pVM->iom.s.StatMmioCommitsDirect,  STAMTYPE_COUNTER, "/IOM/MmioCommitsDirect",                   STAMUNIT_OCCURENCES,     "Number of ring-3 MMIO commits direct to handler via handle hint.");
+    STAM_REG(pVM, &pVM->iom.s.StatMmioCommitsPgm,     STAMTYPE_COUNTER, "/IOM/MmioCommitsPgm",                      STAMUNIT_OCCURENCES,     "Number of ring-3 MMIO commits via PGM.");
 
     /* Redundant, but just in case we change something in the future */
@@ -1901 +1905 @@
         Log5(("IOM: Dispatching pending I/O port write: %#x LB %u -> %RTiop\n", pVCpu->iom.s.PendingIOPortWrite.u32Value,
               pVCpu->iom.s.PendingIOPortWrite.cbValue, pVCpu->iom.s.PendingIOPortWrite.IOPort));
+        STAM_COUNTER_INC(&pVM->iom.s.StatIoPortCommits);
         VBOXSTRICTRC rcStrictCommit = IOMIOPortWrite(pVM, pVCpu, pVCpu->iom.s.PendingIOPortWrite.IOPort,
                                                      pVCpu->iom.s.PendingIOPortWrite.u32Value,
@@ -1923 +1928 @@
             if (offRegion < pRegEntry->cbRegion && GCPhysMapping != NIL_RTGCPHYS)
             {
+                STAM_COUNTER_INC(&pVM->iom.s.StatMmioCommitsDirect);
                 VBOXSTRICTRC rcStrictCommit = iomR3MmioCommitWorker(pVM, pVCpu, pRegEntry, offRegion);
                 pVCpu->iom.s.PendingMmioWrite.cbValue = 0;
@@ -1930 +1936 @@
 
         /* Fall back on PGM. */
+        STAM_COUNTER_INC(&pVM->iom.s.StatMmioCommitsPgm);
         VBOXSTRICTRC rcStrictCommit = PGMPhysWrite(pVM, pVCpu->iom.s.PendingMmioWrite.GCPhys,
                                                    pVCpu->iom.s.PendingMmioWrite.abValue, pVCpu->iom.s.PendingMmioWrite.cbValue,

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

@@ -745 +745 @@
     /** @name MMIO statistics.
      * @{ */
+    STAMCOUNTER                     StatIoPortCommits;
+
     STAMCOUNTER                     StatMMIOStaleMappings;
     STAMPROFILE                     StatRZMMIOHandler;
@@ -756 +758 @@
     STAMCOUNTER                     StatMmioHandlerNewR3;
     STAMCOUNTER                     StatMmioHandlerNewR0;
+    STAMCOUNTER                     StatMmioCommitsDirect;
+    STAMCOUNTER                     StatMmioCommitsPgm;
 
     STAMCOUNTER                     StatR3MMIOHandler;