From ea8909925fd0e7a33feabc9e17f83b85cd7c6039 Mon Sep 17 00:00:00 2001
From: Korey Sewell <ksewell@umich.edu>
Date: Sun, 31 Jan 2010 18:30:24 -0500
Subject: inorder: add activity stats

---
 src/cpu/inorder/pipeline_stage.cc | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/cpu/inorder/pipeline_stage.cc')

diff --git a/src/cpu/inorder/pipeline_stage.cc b/src/cpu/inorder/pipeline_stage.cc
index 550952947..c991fe1bd 100644
--- a/src/cpu/inorder/pipeline_stage.cc
+++ b/src/cpu/inorder/pipeline_stage.cc
@@ -42,7 +42,7 @@ PipelineStage::PipelineStage(Params *params, unsigned stage_num)
     : stageNum(stage_num), stageWidth(ThePipeline::StageWidth),
       numThreads(ThePipeline::MaxThreads), _status(Inactive),
       stageBufferMax(ThePipeline::interStageBuffSize[stage_num]),
-      prevStageValid(false), nextStageValid(false)
+      prevStageValid(false), nextStageValid(false), idle(false)
 {
     switchedOutBuffer.resize(ThePipeline::MaxThreads);
     switchedOutValid.resize(ThePipeline::MaxThreads);
@@ -707,6 +707,8 @@ PipelineStage::checkSignalsAndUpdate(ThreadID tid)
 void
 PipelineStage::tick()
 {
+    idle = false;
+    
     wroteToTimeBuffer = false;
 
     bool status_change = false;
@@ -794,8 +796,10 @@ PipelineStage::processStage(bool &status_change)
 
     if (instsProcessed > 0) {
         ++runCycles;
+        idle = false;        
     } else {
         ++idleCycles;        
+        idle = true;        
     }
     
     DPRINTF(InOrderStage, "%i left in stage %i incoming buffer.\n", skidSize(),
-- 
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