From 646c4a23ca44aab5468c896034288151c89be782 Mon Sep 17 00:00:00 2001
From: Lena Olson <lena@cs.wisc,edu>
Date: Mon, 19 Aug 2013 03:52:35 -0400
Subject: cpu: Accurately count idle cycles for simple cpu

Added a couple missing updates to the notIdleFraction stat. Without
these, it sometimes gives a (not) idle fraction that is greater than 1
or less than 0.
---
 src/cpu/ozone/cpu_impl.hh | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'src/cpu/ozone')

diff --git a/src/cpu/ozone/cpu_impl.hh b/src/cpu/ozone/cpu_impl.hh
index fe8ae2551..f64f287ea 100644
--- a/src/cpu/ozone/cpu_impl.hh
+++ b/src/cpu/ozone/cpu_impl.hh
@@ -282,7 +282,7 @@ OzoneCPU<Impl>::activateContext(int thread_num, int delay)
     assert(thread_num == 0);
 
     assert(_status == Idle);
-    notIdleFraction++;
+    notIdleFraction = 1;
     scheduleTickEvent(delay);
     _status = Running;
     if (thread.quiesceEvent && thread.quiesceEvent->scheduled())
@@ -300,7 +300,7 @@ OzoneCPU<Impl>::suspendContext(int thread_num)
     // @todo: Figure out how to initially set the status properly so
     // this is running.
 //    assert(_status == Running);
-    notIdleFraction--;
+    notIdleFraction = 0;
     unscheduleTickEvent();
     _status = Idle;
 }
-- 
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