diff -r 2d65c2f76d7b -r 947f0dc9f7a8 kerneltest/e32test/misc/cpumeter.cpp
--- a/kerneltest/e32test/misc/cpumeter.cpp	Tue Feb 02 01:24:03 2010 +0200
+++ b/kerneltest/e32test/misc/cpumeter.cpp	Fri Apr 16 16:24:37 2010 +0300
@@ -48,6 +48,8 @@
 	TInt Construct();
 	void Measure();
 	void Display(TInt aInterval);
+	void DisplayCoreControlInfo();
+	void ChangeNumberOfCores(TInt aNum);
 public:
 	TInt iNumCpus;
 	TInt iNextMeas;
@@ -152,6 +154,38 @@
 	test.Printf(buf);
 	}
 
+void CCpuMeter::DisplayCoreControlInfo()
+	{
+	SCpuStates s;
+	TInt r = UserSvr::HalFunction(EHalGroupKernel, EKernelHalCpuStates, &s, 0);
+	if (r != KErrNone)
+		{
+		test.Printf(_L("Error %d\n"), r);
+		return;
+		}
+	test.SetLogged(ETrue);
+	test.Printf(_L("  TA=%08x IA=%08x CU=%08x GD=%08x DC=%08x\n"), s.iTA, s.iIA, s.iCU, s.iGD, s.iDC);
+	test.Printf(_L("  SC=%08x RC=%08x PO=%02x      CCS=%08x PODC=%08x\n"), s.iSC, s.iRC, s.iPO, s.iCCS, s.iPODC);
+	TInt i;
+	for (i=0; i<iNumCpus; ++i)
+		{
+		test.Printf(_L("%1d:DS=%08x UDC=%08x UAC=%08x OP=%08x F=%08x\n"), i, s.iDS[i], s.iUDC[i], s.iUAC[i], s.iOP[i], s.iF[i]);
+		}
+	test.SetLogged(EFalse);
+	}
+
+void CCpuMeter::ChangeNumberOfCores(TInt aNum)
+	{
+	test.SetLogged(ETrue);
+	test.Printf(_L("#CORES->%d\n"), aNum);
+	TInt r = UserSvr::HalFunction(EHalGroupKernel, EKernelHalSetNumberOfCpus, (TAny*)aNum, 0);
+	if (r != KErrNone)
+		{
+		test.Printf(_L("Error %d\n"), r);
+		}
+	test.SetLogged(EFalse);
+	}
+
 void UseKernelCpuTime()
 	{
 	test.Start(_L("Create CCpuMeter"));
@@ -175,6 +209,14 @@
 				delete m;
 				return;
 				}
+			if (m->iNumCpus > 1)
+				{
+				// SMP only options
+				if (k == EKeySpace)
+					m->DisplayCoreControlInfo();
+				else if (k>='1' && k<=('0'+m->iNumCpus))
+					m->ChangeNumberOfCores(k - '0');
+				}
 			console->Read(s);
 			}
 		}