From 407f37e15f19a2da350a94272ac7739891e935f4 Mon Sep 17 00:00:00 2001
From: Nilay Vaish <nilay@cs.wisc.edu>
Date: Fri, 10 Jan 2014 16:19:47 -0600
Subject: ruby: move all statistics to stats.txt, eliminate ruby.stats

---
 src/mem/ruby/slicc_interface/AbstractController.cc | 40 +++++++++-------------
 src/mem/ruby/slicc_interface/AbstractController.hh | 32 +++++------------
 2 files changed, 26 insertions(+), 46 deletions(-)

(limited to 'src/mem/ruby/slicc_interface')

diff --git a/src/mem/ruby/slicc_interface/AbstractController.cc b/src/mem/ruby/slicc_interface/AbstractController.cc
index e46158ca0..0f5a70a6e 100644
--- a/src/mem/ruby/slicc_interface/AbstractController.cc
+++ b/src/mem/ruby/slicc_interface/AbstractController.cc
@@ -31,8 +31,7 @@
 #include "mem/ruby/system/System.hh"
 
 AbstractController::AbstractController(const Params *p)
-    : ClockedObject(p), Consumer(this), m_fully_busy_cycles(0),
-    m_request_count(0)
+    : ClockedObject(p), Consumer(this)
 {
     m_version = p->version;
     m_clusterID = p->cluster_id;
@@ -54,44 +53,39 @@ void
 AbstractController::init()
 {
     params()->ruby_system->registerAbstractController(this);
+    m_delayHistogram.init(10);
+    uint32_t size = Network::getNumberOfVirtualNetworks();
+    for (uint32_t i = 0; i < size; i++) {
+        m_delayVCHistogram.push_back(new Stats::Histogram());
+        m_delayVCHistogram[i]->init(10);
+    }
 }
 
 void
-AbstractController::clearStats()
+AbstractController::resetStats()
 {
-    m_requestProfileMap.clear();
-    m_request_count = 0;
-
-    m_delayHistogram.clear();
-
+    m_delayHistogram.reset();
     uint32_t size = Network::getNumberOfVirtualNetworks();
-    m_delayVCHistogram.resize(size);
     for (uint32_t i = 0; i < size; i++) {
-        m_delayVCHistogram[i].clear();
-    }
-
-    Sequencer *seq = getSequencer();
-    if (seq != NULL) {
-        seq->clearStats();
+        m_delayVCHistogram[i]->reset();
     }
 }
 
 void
-AbstractController::profileRequest(const std::string &request)
+AbstractController::regStats()
 {
-    m_request_count++;
-
-    // if it doesn't exist, conveniently, it will be created with the
-    // default value which is 0
-    m_requestProfileMap[request]++;
+    m_fully_busy_cycles
+        .name(name() + ".fully_busy_cycles")
+        .desc("cycles for which number of transistions == max transitions")
+        .flags(Stats::nozero);
 }
 
 void
 AbstractController::profileMsgDelay(uint32_t virtualNetwork, Cycles delay)
 {
     assert(virtualNetwork < m_delayVCHistogram.size());
-    m_delayHistogram.add(delay);
-    m_delayVCHistogram[virtualNetwork].add(delay);
+    m_delayHistogram.sample(delay);
+    m_delayVCHistogram[virtualNetwork]->sample(delay);
 }
 
 void
diff --git a/src/mem/ruby/slicc_interface/AbstractController.hh b/src/mem/ruby/slicc_interface/AbstractController.hh
index 345eefa0a..ac577ed09 100644
--- a/src/mem/ruby/slicc_interface/AbstractController.hh
+++ b/src/mem/ruby/slicc_interface/AbstractController.hh
@@ -72,8 +72,8 @@ class AbstractController : public ClockedObject, public Consumer
 
     virtual void print(std::ostream & out) const = 0;
     virtual void wakeup() = 0;
-    virtual void clearStats() = 0;
-    virtual void regStats() = 0;
+    virtual void resetStats() = 0;
+    virtual void regStats();
 
     virtual void recordCacheTrace(int cntrl, CacheRecorder* tr) = 0;
     virtual Sequencer* getSequencer() const = 0;
@@ -99,14 +99,10 @@ class AbstractController : public ClockedObject, public Consumer
 
   public:
     MachineID getMachineID() const { return m_machineID; }
-    uint64_t getFullyBusyCycles() const { return m_fully_busy_cycles; }
-    uint64_t getRequestCount() const { return m_request_count; }
-    const std::map<std::string, uint64_t>& getRequestProfileMap() const
-    { return m_requestProfileMap; }
 
-    Histogram& getDelayHist() { return m_delayHistogram; }
-    Histogram& getDelayVCHist(uint32_t index)
-    { return m_delayVCHistogram[index]; }
+    Stats::Histogram& getDelayHist() { return m_delayHistogram; }
+    Stats::Histogram& getDelayVCHist(uint32_t index)
+    { return *(m_delayVCHistogram[index]); }
 
     MessageBuffer *getPeerQueue(uint32_t pid)
     {
@@ -156,17 +152,12 @@ class AbstractController : public ClockedObject, public Consumer
 
     //! Counter for the number of cycles when the transitions carried out
     //! were equal to the maximum allowed
-    uint64_t m_fully_busy_cycles;
-
-    //! Map for couting requests of different types. The controller should
-    //! call requisite function for updating the count.
-    std::map<std::string, uint64_t> m_requestProfileMap;
-    uint64_t m_request_count;
+    Stats::Scalar m_fully_busy_cycles;
 
     //! Histogram for profiling delay for the messages this controller
     //! cares for
-    Histogram m_delayHistogram;
-    std::vector<Histogram> m_delayVCHistogram;
+    Stats::Histogram m_delayHistogram;
+    std::vector<Stats::Histogram *> m_delayVCHistogram;
 
     //! Callback class used for collating statistics from all the
     //! controller of this type.
@@ -177,12 +168,7 @@ class AbstractController : public ClockedObject, public Consumer
 
       public:
         virtual ~StatsCallback() {}
-
-        StatsCallback(AbstractController *_ctr)
-            : ctr(_ctr)
-        {
-        }
-
+        StatsCallback(AbstractController *_ctr) : ctr(_ctr) {}
         void process() {ctr->collateStats();}
     };
 };
-- 
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