merge m5 with linux for the event and binning lifting

--HG--
extra : convert_revision : 09d3678746c2e9a93a9982dc75d5e1ac309cb2fa

6 files changed, 117 insertions, 22 deletions

diff --git a/sim/debug.cc b/sim/debug.cc
index 09c604a95..b73ab4245 100644
--- a/sim/debug.cc
+++ b/sim/debug.cc
@@ -40,11 +40,13 @@
 
 using namespace std;
 
+#ifdef DEBUG
 void
 debug_break()
 {
     kill(getpid(), SIGTRAP);
 }
+#endif
 
 //
 // Debug event: place a breakpoint on the process function and
diff --git a/sim/debug.hh b/sim/debug.hh
index eb0be772e..a4f8b8702 100644
--- a/sim/debug.hh
+++ b/sim/debug.hh
@@ -29,6 +29,10 @@
 #ifndef __DEBUG_HH__
 #define __DEBUG_HH__
 
+#ifdef DEBUG
 void debug_break();
+#else
+inline void debug_break() { }
+#endif
 
 #endif // __DEBUG_HH__
diff --git a/sim/stat_control.cc b/sim/stat_control.cc
index d6d7e2c91..c7d2fdd5b 100644
--- a/sim/stat_control.cc
+++ b/sim/stat_control.cc
@@ -39,6 +39,7 @@
 #include "base/str.hh"
 #include "base/time.hh"
 #include "base/stats/output.hh"
+#include "cpu/base_cpu.hh"
 #include "sim/eventq.hh"
 #include "sim/sim_object.hh"
 #include "sim/stat_control.hh"
@@ -47,13 +48,14 @@
 using namespace std;
 
 Statistics::Formula hostInstRate;
-Statistics::Formula hostMemory;
-Statistics::Formula hostSeconds;
 Statistics::Formula hostTickRate;
+Statistics::Value hostMemory;
+Statistics::Value hostSeconds;
 
-Statistics::Formula simInsts;
+Statistics::Value simTicks;
+Statistics::Value simInsts;
+Statistics::Value simFreq;
 Statistics::Formula simSeconds;
-Statistics::Formula simTicks;
 
 namespace Statistics {
 
@@ -84,6 +86,7 @@ void
 InitSimStats()
 {
     simInsts
+        .functor(BaseCPU::numSimulatedInstructions)
         .name("sim_insts")
         .desc("Number of instructions simulated")
         .precision(0)
@@ -95,7 +98,14 @@ InitSimStats()
         .desc("Number of seconds simulated")
         ;
 
+    simFreq
+        .scalar(ticksPerSecond)
+        .name("sim_freq")
+        .desc("Frequency of simulated ticks")
+        ;
+
     simTicks
+        .scalar(curTick)
         .name("sim_ticks")
         .desc("Number of ticks simulated")
         ;
@@ -108,12 +118,14 @@ InitSimStats()
         ;
 
     hostMemory
+        .functor(memUsage)
         .name("host_mem_usage")
         .desc("Number of bytes of host memory used")
         .prereq(hostMemory)
         ;
 
     hostSeconds
+        .functor(statElapsedTime)
         .name("host_seconds")
         .desc("Real time elapsed on the host")
         .precision(2)
@@ -125,11 +137,7 @@ InitSimStats()
         .precision(0)
         ;
 
-    simInsts = constant(0);
-    simTicks = scalar(curTick) - scalar(startTick);
-    simSeconds = simTicks / scalar(ticksPerSecond);
-    hostMemory = functor(memUsage);
-    hostSeconds = functor(statElapsedTime);
+    simSeconds = simTicks / simFreq;
     hostInstRate = simInsts / hostSeconds;
     hostTickRate = simTicks / hostSeconds;
 
diff --git a/sim/stats.hh b/sim/stats.hh
index b736850e7..c5e791cfb 100644
--- a/sim/stats.hh
+++ b/sim/stats.hh
@@ -31,11 +31,7 @@
 
 #include "base/statistics.hh"
 
-extern Statistics::Formula simTicks;
 extern Statistics::Formula simSeconds;
-extern Statistics::Formula simInsts;
-extern Statistics::Formula hostSeconds;
-extern Statistics::Formula hostTickRate;
-extern Statistics::Formula hostInstRate;
+extern Statistics::Value simTicks;
 
 #endif // __SIM_SIM_STATS_HH__
diff --git a/sim/system.cc b/sim/system.cc
index 43f43baec..791a092ac 100644
--- a/sim/system.cc
+++ b/sim/system.cc
@@ -30,6 +30,7 @@
 #include "targetarch/vtophys.hh"
 #include "sim/param.hh"
 #include "sim/system.hh"
+#include "base/trace.hh"
 
 using namespace std;
 
@@ -41,12 +42,15 @@ System::System(const std::string _name,
                const uint64_t _init_param,
                MemoryController *_memCtrl,
                PhysicalMemory *_physmem,
-               const bool _bin)
+               const bool _bin,
+               const std::vector<string> &binned_fns)
+
     : SimObject(_name),
       init_param(_init_param),
       memCtrl(_memCtrl),
       physmem(_physmem),
-      bin(_bin)
+      bin(_bin),
+      binned_fns(binned_fns)
 {
     // add self to global system list
     systemList.push_back(this);
@@ -54,6 +58,31 @@ System::System(const std::string _name,
         Kernel = new Statistics::MainBin("non TCPIP Kernel stats");
         Kernel->activate();
         User = new Statistics::MainBin("User stats");
+
+        int end = binned_fns.size();
+        assert(!(end & 1));
+
+        Statistics::MainBin *Bin;
+
+        fnEvents.resize(end>>1);
+
+        for (int i = 0; i < end; i +=2) {
+            Bin = new Statistics::MainBin(binned_fns[i]);
+            fnBins.insert(make_pair(binned_fns[i], Bin));
+
+            fnEvents[(i>>1)] = new FnEvent(&pcEventQueue, binned_fns[i], this);
+
+            if (binned_fns[i+1] == "null")
+                populateMap(binned_fns[i], "");
+            else
+                populateMap(binned_fns[i], binned_fns[i+1]);
+        }
+
+        fnCalls
+            .name(name() + ":fnCalls")
+            .desc("all fn calls being tracked")
+            ;
+
     } else
         Kernel = NULL;
 }
@@ -61,6 +90,13 @@ System::System(const std::string _name,
 
 System::~System()
 {
+    if (bin == true) {
+        int end = fnEvents.size();
+        for (int i = 0; i < end; ++i) {
+            delete fnEvents[i];
+        }
+        fnEvents.clear();
+    }
 }
 
 
@@ -103,6 +139,45 @@ printSystems()
     System::printSystems();
 }
 
+void
+System::populateMap(std::string callee, std::string caller)
+{
+    multimap<const string, string>::const_iterator i;
+    i = callerMap.insert(make_pair(callee, caller));
+    assert(i != callerMap.end() && "should not fail populating callerMap");
+}
+
+bool
+System::findCaller(std::string callee, std::string caller) const
+{
+    typedef multimap<const std::string, std::string>::const_iterator iter;
+    pair<iter, iter> range;
+
+    range = callerMap.equal_range(callee);
+    for (iter i = range.first; i != range.second; ++i) {
+        if ((*i).second == caller)
+            return true;
+    }
+    return false;
+}
+
+void
+System::dumpState(ExecContext *xc) const
+{
+    if (xc->swCtx) {
+        stack<fnCall *> copy(xc->swCtx->callStack);
+        if (copy.empty())
+            return;
+        DPRINTF(TCPIP, "xc->swCtx, size: %d:\n", copy.size());
+        fnCall *top;
+        DPRINTF(TCPIP, "||     call : %d\n",xc->swCtx->calls);
+        for (top = copy.top(); !copy.empty(); copy.pop() ) {
+            top = copy.top();
+            DPRINTF(TCPIP, "||  %13s : %s \n", top->name, top->myBin->name());
+        }
+    }
+}
+
 Statistics::MainBin *
 System::getBin(const std::string &name)
 {
diff --git a/sim/system.hh b/sim/system.hh
index 0fcdd77cc..08fcfb784 100644
--- a/sim/system.hh
+++ b/sim/system.hh
@@ -35,6 +35,7 @@
 #include "base/loader/symtab.hh"
 #include "base/statistics.hh"
 #include "cpu/pc_event.hh"
+#include "kern/system_events.hh"
 #include "sim/sim_object.hh"
 #include "sim/sw_context.hh"
 
@@ -49,17 +50,20 @@ class ExecContext;
 class System : public SimObject
 {
     // lisa's binning stuff
-  protected:
+  private:
     std::map<const std::string, Statistics::MainBin *> fnBins;
     std::map<const Addr, SWContext *> swCtxMap;
 
+  protected:
+    std::vector<FnEvent *> fnEvents;
+
   public:
     Statistics::Scalar<> fnCalls;
     Statistics::MainBin *Kernel;
     Statistics::MainBin *User;
 
     Statistics::MainBin * getBin(const std::string &name);
-    virtual bool findCaller(std::string, std::string) const = 0;
+    bool findCaller(std::string, std::string) const;
 
     SWContext *findContext(Addr pcb);
     bool addContext(Addr pcb, SWContext *ctx) {
@@ -69,12 +73,16 @@ class System : public SimObject
         swCtxMap.erase(pcb);
         return;
     }
-
-    virtual void dumpState(ExecContext *xc) const = 0;
+    void dumpState(ExecContext *xc) const;
 
     virtual void serialize(std::ostream &os);
     virtual void unserialize(Checkpoint *cp, const std::string &section);
-    //
+
+
+  private:
+    std::multimap<const std::string, std::string> callerMap;
+    void populateMap(std::string caller, std::string callee);
+//
 
   public:
     const uint64_t init_param;
@@ -82,6 +90,7 @@ class System : public SimObject
     PhysicalMemory *physmem;
     Platform *platform;
     bool bin;
+    std::vector<string> binned_fns;
 
     PCEventQueue pcEventQueue;
 
@@ -92,7 +101,8 @@ class System : public SimObject
 
   public:
     System(const std::string _name, const uint64_t _init_param,
-           MemoryController *, PhysicalMemory *, const bool);
+           MemoryController *, PhysicalMemory *, const bool,
+           const std::vector<string> &binned_fns);
     ~System();
 
     virtual Addr getKernelStart() const = 0;