diff --git a/base/statistics.hh b/base/statistics.hh
index 71d2aa8c8..c99aadab5 100644
--- a/base/statistics.hh
+++ b/base/statistics.hh
@@ -2498,7 +2498,7 @@ struct NoBin
  * binned.  If the typedef is NoBin, nothing is binned.  If it is
  * MainBin, then all stats are binned under that Bin.
  */
-#ifdef FS_MEASURE
+#if defined(STATS_BINNING)
 typedef MainBin DefaultBin;
 #else
 typedef NoBin DefaultBin;
diff --git a/cpu/exec_context.cc b/cpu/exec_context.cc
index 6a5f463cd..b0ebb9622 100644
--- a/cpu/exec_context.cc
+++ b/cpu/exec_context.cc
@@ -48,10 +48,7 @@ ExecContext::ExecContext(BaseCPU *_cpu, int _thread_num, System *_sys,
       kernelStats(this, _cpu), cpu(_cpu), thread_num(_thread_num),
       cpu_id(-1), mem(_mem), itb(_itb), dtb(_dtb), system(_sys),
       memCtrl(_sys->memCtrl), physmem(_sys->physmem),
-#ifdef FS_MEASURE
-      swCtx(NULL),
-#endif
-      func_exe_inst(0), storeCondFailures(0)
+      swCtx(NULL), func_exe_inst(0), storeCondFailures(0)
 {
     memset(&regs, 0, sizeof(RegFile));
 }
diff --git a/cpu/exec_context.hh b/cpu/exec_context.hh
index e9dc5efec..a4bbdd484 100644
--- a/cpu/exec_context.hh
+++ b/cpu/exec_context.hh
@@ -45,10 +45,7 @@ class MemoryController;
 
 #include "kern/tru64/kernel_stats.hh"
 #include "sim/system.hh"
-
-#ifdef FS_MEASURE
 #include "sim/sw_context.hh"
-#endif
 
 #else // !FULL_SYSTEM
 
@@ -137,10 +134,7 @@ class ExecContext
     MemoryController *memCtrl;
     PhysicalMemory *physmem;
 
-#ifdef FS_MEASURE
     SWContext *swCtx;
-#endif
-
 #else
     Process *process;
 
diff --git a/cpu/simple_cpu/simple_cpu.cc b/cpu/simple_cpu/simple_cpu.cc
index 721861dd5..c25a95775 100644
--- a/cpu/simple_cpu/simple_cpu.cc
+++ b/cpu/simple_cpu/simple_cpu.cc
@@ -675,32 +675,13 @@ SimpleCPU::tick()
         xc->func_exe_inst++;
 
         fault = si->execute(this, xc, traceData);
-#ifdef FS_MEASURE
-        if (!(xc->misspeculating()) && (xc->system->bin)) {
-            SWContext *ctx = xc->swCtx;
-            if (ctx && !ctx->callStack.empty()) {
-                if (si->isCall()) {
-                    ctx->calls++;
-                }
-                if (si->isReturn()) {
-                     if (ctx->calls == 0) {
-                        fnCall *top = ctx->callStack.top();
-                        DPRINTF(TCPIP, "Removing %s from callstack.\n", top->name);
-                        delete top;
-                        ctx->callStack.pop();
-                        if (ctx->callStack.empty())
-                            xc->system->nonPath->activate();
-                        else
-                            ctx->callStack.top()->myBin->activate();
 
-                        xc->system->dumpState(xc);
-                    } else {
-                        ctx->calls--;
-                    }
-                }
-            }
-        }
+#ifdef FULL_SYSTEM
+        SWContext *ctx = xc->swCtx;
+        if (ctx)
+            ctx->process(xc, si.get());
 #endif
+
         if (si->isMemRef()) {
             numMemRefs++;
         }
diff --git a/kern/tru64/tru64_system.cc b/kern/tru64/tru64_system.cc
index 1cd98fdc1..13f28beab 100644
--- a/kern/tru64/tru64_system.cc
+++ b/kern/tru64/tru64_system.cc
@@ -604,7 +604,6 @@ Tru64System::breakpoint()
     return remoteGDB[0]->trap(ALPHA_KENTRY_INT);
 }
 
-#ifdef FS_MEASURE
 void
 Tru64System::populateMap(std::string callee, std::string caller)
 {
@@ -646,7 +645,6 @@ Tru64System::dumpState(ExecContext *xc) const
         }
     }
 }
-#endif //FS_MEASURE
 
 BEGIN_DECLARE_SIM_OBJECT_PARAMS(Tru64System)
 
@@ -672,7 +670,7 @@ BEGIN_INIT_SIM_OBJECT_PARAMS(Tru64System)
     INIT_PARAM(console_code, "file that contains the console code"),
     INIT_PARAM(pal_code, "file that contains palcode"),
     INIT_PARAM_DFLT(boot_osflags, "flags to pass to the kernel during boot",
-                                   "a")
+                    "a")
 
 
 END_INIT_SIM_OBJECT_PARAMS(Tru64System)
diff --git a/kern/tru64/tru64_system.hh b/kern/tru64/tru64_system.hh
index 93cc908e3..bedf1f383 100644
--- a/kern/tru64/tru64_system.hh
+++ b/kern/tru64/tru64_system.hh
@@ -29,15 +29,12 @@
 #ifndef __TRU64_SYSTEM_HH__
 #define __TRU64_SYSTEM_HH__
 
+#include <map>
 #include <vector>
 
 #include "sim/system.hh"
 #include "targetarch/isa_traits.hh"
 
-#ifdef FS_MEASURE
-#include <map>
-#endif
-
 class ExecContext;
 class EcoffObject;
 class SymbolTable;
@@ -48,9 +45,7 @@ class SkipFuncEvent;
 class PrintfEvent;
 class DebugPrintfEvent;
 class DumpMbufEvent;
-#ifdef FS_MEASURE
 class FnEvent;
-#endif
 class AlphaArguments;
 
 class Tru64System : public System
@@ -150,11 +145,6 @@ class Tru64System : public System
     Addr kernelEntry;
     bool bin;
 
-#ifdef FS_MEASURE
-    std::multimap<const std::string, std::string> callerMap;
-    void populateMap(std::string caller, std::string callee);
-#endif
-
   public:
     std::vector<RemoteGDB *>   remoteGDB;
     std::vector<GDBListener *> gdbListen;
@@ -168,7 +158,7 @@ class Tru64System : public System
                 const std::string &console_path,
                 const std::string &palcode,
                 const std::string &boot_osflags,
-                                const bool _bin);
+                const bool _bin);
     ~Tru64System();
 
     int registerExecContext(ExecContext *xc);
@@ -182,10 +172,15 @@ class Tru64System : public System
     static void Printf(AlphaArguments args);
     static void DumpMbuf(AlphaArguments args);
 
-#ifdef FS_MEASURE
+
+    // Lisa's fs measure stuff
+  private:
+    std::multimap<const std::string, std::string> callerMap;
+    void populateMap(std::string caller, std::string callee);
+
+  public:
     bool findCaller(std::string callee, std::string caller) const;
     void dumpState(ExecContext *xc) const;
-#endif //FS_MEASURE
 };
 
 #endif // __TRU64_SYSTEM_HH__
diff --git a/sim/system.hh b/sim/system.hh
index 8348a144e..2e0cb3dbf 100644
--- a/sim/system.hh
+++ b/sim/system.hh
@@ -32,14 +32,11 @@
 #include <string>
 #include <vector>
 
-#include "sim/sim_object.hh"
-#include "cpu/pc_event.hh"
 #include "base/loader/symtab.hh"
-
-#ifdef FS_MEASURE
 #include "base/statistics.hh"
+#include "cpu/pc_event.hh"
+#include "sim/sim_object.hh"
 #include "sim/sw_context.hh"
-#endif
 
 class MemoryController;
 class PhysicalMemory;
@@ -50,11 +47,28 @@ class ExecContext;
 
 class System : public SimObject
 {
-#ifdef FS_MEASURE
+    // lisa's binning stuff
   protected:
     std::map<const std::string, Statistics::MainBin *> fnBins;
     std::map<const Addr, SWContext *> swCtxMap;
-#endif //FS_MEASURE
+
+  public:
+    Statistics::Scalar<Counter> fnCalls;
+    Statistics::MainBin *nonPath;
+
+    Statistics::MainBin * getBin(const std::string &name);
+    virtual bool findCaller(std::string, std::string) const = 0;
+
+    SWContext *findContext(Addr pcb);
+    bool addContext(Addr pcb, SWContext *ctx) {
+        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
+    }
+    void remContext(Addr pcb) {
+        swCtxMap.erase(pcb);
+        return;
+    }
+
+    virtual void dumpState(ExecContext *xc) const = 0;
 
   public:
     const uint64_t init_param;
@@ -69,11 +83,6 @@ class System : public SimObject
     virtual int registerExecContext(ExecContext *xc);
     virtual void replaceExecContext(int xcIndex, ExecContext *xc);
 
-#ifdef FS_MEASURE
-    Statistics::Scalar<Counter, Statistics::MainBin> fnCalls;
-    Statistics::MainBin *nonPath;
-#endif //FS_MEASURE
-
   public:
     System(const std::string _name, const uint64_t _init_param,
            MemoryController *, PhysicalMemory *, const bool);
@@ -84,22 +93,6 @@ class System : public SimObject
     virtual Addr getKernelEntry() const = 0;
     virtual bool breakpoint() = 0;
 
-#ifdef FS_MEASURE
-    Statistics::MainBin * getBin(const std::string &name);
-    virtual bool findCaller(std::string, std::string) const = 0;
-
-    SWContext *findContext(Addr pcb);
-    bool addContext(Addr pcb, SWContext *ctx) {
-        return (swCtxMap.insert(make_pair(pcb, ctx))).second;
-    }
-    void remContext(Addr pcb) {
-        swCtxMap.erase(pcb);
-        return;
-    }
-
-    virtual void dumpState(ExecContext *xc) const = 0;
-#endif //FS_MEASURE
-
   public:
     ////////////////////////////////////////////
     //