From: Daniel R. Carvalho <odanrc@yahoo.com.br>
Date: Wed, 6 Jun 2018 10:00:55 +0000 (+0200)
Subject: ruby: Fix initial weight in weighted LRU
X-Git-Tag: v19.0.0.0~2069
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8de76e0f14f70da39dc060b6741d54d1432ff9a8;p=gem5.git

ruby: Fix initial weight in weighted LRU

Initial weight was using the timestamp instead of the weight.

Change-Id: I61d3c8424f85fd6856957087c477afda111f8ca7
Reviewed-on: https://gem5-review.googlesource.com/10801
Reviewed-by: Nikos Nikoleris <nikos.nikoleris@arm.com>
Reviewed-by: Anthony Gutierrez <anthony.gutierrez@amd.com>
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Maintainer: Anthony Gutierrez <anthony.gutierrez@amd.com>
---

diff --git a/src/mem/ruby/system/WeightedLRUPolicy.cc b/src/mem/ruby/system/WeightedLRUPolicy.cc
index 20ae5ad67..2899f73a7 100644
--- a/src/mem/ruby/system/WeightedLRUPolicy.cc
+++ b/src/mem/ruby/system/WeightedLRUPolicy.cc
@@ -92,7 +92,7 @@ WeightedLRUPolicy::getVictim(int64_t set) const
 
     smallest_index = 0;
     smallest_time = m_last_ref_ptr[set][0];
-    int smallest_weight = m_last_ref_ptr[set][0];
+    int smallest_weight = m_last_occ_ptr[set][0];
 
     for (unsigned i = 1; i < m_assoc; i++) {