Changeset 30581 in vbox for trunk/src/VBox/VMM/VMMAll

Timestamp:

Jul 2, 2010 4:02:57 PM (15 years ago)

Author:

vboxsync

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

63305

Message:

TM: Added simple CPU time accounting. Accessible thru the statistics and TMR3GetCpuLoadTimes.

File:

• trunk/src/VBox/VMM/VMMAll/TMAll.cpp (modified) (4 diffs)

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

@@ -167 +167 @@
     PVM pVM = pVCpu->CTX_SUFF(pVM);
 
+#ifndef VBOX_WITHOUT_NS_ACCOUNTING
+    pVCpu->tm.s.u64NsTsStartExecuting = RTTimeNanoTS();
+#endif
     if (pVM->tm.s.fTSCTiedToExecution)
         tmCpuTickResume(pVM, pVCpu);
@@ -188 +191 @@
     if (pVM->tm.s.fTSCTiedToExecution)
         tmCpuTickPause(pVM, pVCpu);
+
+#ifndef VBOX_WITHOUT_NS_ACCOUNTING
+    uint32_t uGen    = ASMAtomicIncU32(&pVCpu->tm.s.uTimesGen); Assert(uGen & 1);
+    uint64_t u64NsTs = RTTimeNanoTS();
+    pVCpu->tm.s.cNsExecuting += u64NsTs - pVCpu->tm.s.u64NsTsStartExecuting;
+    pVCpu->tm.s.cNsTotal      = u64NsTs - pVCpu->tm.s.u64NsTsStartTotal;
+    pVCpu->tm.s.cNsOther      = pVCpu->tm.s.cNsTotal - pVCpu->tm.s.cNsExecuting - pVCpu->tm.s.cNsHalted;
+    ASMAtomicWriteU32(&pVCpu->tm.s.uTimesGen, (uGen | 1) + 1);
+#endif
 }
 
@@ -204 +216 @@
 {
     PVM pVM = pVCpu->CTX_SUFF(pVM);
+
+#ifndef VBOX_WITHOUT_NS_ACCOUNTING
+    pVCpu->tm.s.u64NsTsStartHalting = RTTimeNanoTS();
+#endif
 
     if (    pVM->tm.s.fTSCTiedToExecution
@@ -228 +244 @@
         &&  !pVM->tm.s.fTSCNotTiedToHalt)
         tmCpuTickPause(pVM, pVCpu);
+
+#ifndef VBOX_WITHOUT_NS_ACCOUNTING
+    uint32_t uGen    = ASMAtomicIncU32(&pVCpu->tm.s.uTimesGen); Assert(uGen & 1);
+    uint64_t u64NsTs = RTTimeNanoTS();
+    pVCpu->tm.s.cNsHalted += u64NsTs - pVCpu->tm.s.u64NsTsStartHalting;
+    pVCpu->tm.s.cNsTotal   = u64NsTs - pVCpu->tm.s.u64NsTsStartTotal;
+    pVCpu->tm.s.cNsOther   = pVCpu->tm.s.cNsTotal - pVCpu->tm.s.cNsExecuting - pVCpu->tm.s.cNsHalted;
+    ASMAtomicWriteU32(&pVCpu->tm.s.uTimesGen, (uGen | 1) + 1);
+#endif
 }