diff -r 1fab1f8509cb -r 60739171853b configs/common/Options.py
--- a/configs/common/Options.py	Wed Mar 16 14:03:30 2016 +0000
+++ b/configs/common/Options.py	Wed Mar 16 14:05:16 2016 +0000
@@ -293,6 +293,8 @@
         parser.add_option("--enable-context-switch-stats-dump", \
                 action="store_true", help="Enable stats dump at context "\
                 "switches and dump tasks file (required for Streamline)")
+        parser.add_option("--pmu", action="store_true",
+                help="Enable PMU instruction support")
 
     # Benchmark options
     parser.add_option("--dual", action="store_true",
diff -r 1fab1f8509cb -r 60739171853b configs/example/fs.py
--- a/configs/example/fs.py	Wed Mar 16 14:03:30 2016 +0000
+++ b/configs/example/fs.py	Wed Mar 16 14:05:16 2016 +0000
@@ -144,6 +144,18 @@
     if is_kvm_cpu(TestCPUClass) or is_kvm_cpu(FutureClass):
         test_sys.vm = KvmVM()
 
+    if options.pmu:
+        if buildEnv['TARGET_ISA'] == 'arm':
+            for (i, cpu) in enumerate(test_sys.cpu):
+                #print "Enabling events for ArmPMU on cpu.isa[{}]".format(i)
+                cpu.isa[0].pmu.addArchEvents(
+                    cpu=cpu, dtb=cpu.dtb, itb=cpu.itb,
+                    icache=getattr(cpu, "il1_cache", None),
+                    dcache=getattr(cpu, "dl1_cache", None),
+                    l2cache=getattr(cpu, "l2_cache", None))
+        else:
+            fatal("PMU not supported on %s target.", buildEnv['TARGET_ISA'])
+
     if options.ruby:
         # Check for timing mode because ruby does not support atomic accesses
         if not (options.cpu_type == "detailed" or options.cpu_type == "timing"):
diff -r 1fab1f8509cb -r 60739171853b src/arch/arm/ArmISA.py
--- a/src/arch/arm/ArmISA.py	Wed Mar 16 14:03:30 2016 +0000
+++ b/src/arch/arm/ArmISA.py	Wed Mar 16 14:05:16 2016 +0000
@@ -52,7 +52,7 @@
 
     system = Param.System(Parent.any, "System this ISA object belongs to")
 
-    pmu = Param.ArmPMU(NULL, "Performance Monitoring Unit")
+    pmu = Param.ArmPMU(ArmPMU(), "Performance Monitoring Unit")
     decoderFlavour = Param.DecoderFlavour('Generic', "Decoder flavour specification")
 
     midr = Param.UInt32(0x410fc0f0, "MIDR value")