ruby: network: garnet: add statistics for different activities

This patch adds some statistics to garnet that record the activity
of certain structures in the on-chip network.  These statistics, in a later
patch, will be used for computing the energy consumed by the on-chip network.

1 files changed, 9 insertions, 0 deletions

diff --git a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
index 82d89912e..6cb60032a 100644
--- a/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
+++ b/src/mem/ruby/network/garnet/fixed-pipeline/InputUnit_d.cc
@@ -105,3 +105,12 @@ InputUnit_d::functionalWrite(Packet *pkt)
 
     return num_functional_writes;
 }
+
+void
+InputUnit_d::resetStats()
+{
+    for (int j = 0; j < m_num_buffer_reads.size(); j++) {
+        m_num_buffer_reads[j] = 0;
+        m_num_buffer_writes[j] = 0;
+    }
+}