From b4c10bd6800b5ab5adee3035f1908d7a49a14ca9 Mon Sep 17 00:00:00 2001
From: Joel Hestness <hestness@cs.utexas.edu>
Date: Sun, 6 Feb 2011 22:14:17 -0800
Subject: mcpat: Adds McPAT performance counters

Updated patches from Rick Strong's set that modify performance counters for
McPAT
---
 src/cpu/o3/rob_impl.hh | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/cpu/o3/rob_impl.hh')

diff --git a/src/cpu/o3/rob_impl.hh b/src/cpu/o3/rob_impl.hh
index 37f1c5504..d9d1daded 100644
--- a/src/cpu/o3/rob_impl.hh
+++ b/src/cpu/o3/rob_impl.hh
@@ -204,6 +204,8 @@ ROB<Impl>::insertInst(DynInstPtr &inst)
 {
     assert(inst);
 
+    robWrites++;
+
     DPRINTF(ROB, "Adding inst PC %s to the ROB.\n", inst->pcState());
 
     assert(numInstsInROB != numEntries);
@@ -237,6 +239,8 @@ template <class Impl>
 void
 ROB<Impl>::retireHead(ThreadID tid)
 {
+    robWrites++;
+
     assert(numInstsInROB > 0);
 
     // Get the head ROB instruction.
@@ -271,6 +275,7 @@ template <class Impl>
 bool
 ROB<Impl>::isHeadReady(ThreadID tid)
 {
+    robReads++;
     if (threadEntries[tid] != 0) {
         return instList[tid].front()->readyToCommit();
     }
@@ -315,6 +320,7 @@ template <class Impl>
 void
 ROB<Impl>::doSquash(ThreadID tid)
 {
+    robWrites++;
     DPRINTF(ROB, "[tid:%u]: Squashing instructions until [sn:%i].\n",
             tid, squashedSeqNum[tid]);
 
@@ -523,3 +529,17 @@ ROB<Impl>::readTailInst(ThreadID tid)
     return *tail_thread;
 }
 
+template <class Impl>
+void
+ROB<Impl>::regStats()
+{
+    using namespace Stats;
+    robReads
+        .name(name() + ".rob_reads")
+        .desc("The number of ROB reads");
+
+    robWrites
+        .name(name() + ".rob_writes")
+        .desc("The number of ROB writes");
+}
+
-- 
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