From 69ef57fd0f226af90faf46ac877343b5493df693 Mon Sep 17 00:00:00 2001
From: Giacomo Gabrielli <Giacomo.Gabrielli@arm.com>
Date: Fri, 15 Jul 2011 11:53:35 -0500
Subject: O3: Create a pipeline activity viewer for the O3 CPU model.

Implemented a pipeline activity viewer as a python script (util/o3-pipeview.py)
and modified O3 code base to support an extra trace flag (O3PipeView) for
generating traces to be used as inputs by the tool.
---
 src/cpu/o3/decode_impl.hh | 4 ++++
 1 file changed, 4 insertions(+)

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

diff --git a/src/cpu/o3/decode_impl.hh b/src/cpu/o3/decode_impl.hh
index 4beabbc02..67d32f0fe 100644
--- a/src/cpu/o3/decode_impl.hh
+++ b/src/cpu/o3/decode_impl.hh
@@ -706,6 +706,10 @@ DefaultDecode<Impl>::decodeInsts(ThreadID tid)
         ++decodeDecodedInsts;
         --insts_available;
 
+#if TRACING_ON
+        inst->decodeTick = curTick();
+#endif
+
         // Ensure that if it was predicted as a branch, it really is a
         // branch.
         if (inst->readPredTaken() && !inst->isControl()) {
-- 
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