diff --git a/.gitignore b/.gitignore
new file mode 100644
index 00000000..57b0cd3d
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,11 @@
+/debug
+/release
+*.tdb
+*.tdb-journal
+*.out
+*.txt
+/build-simulation
+/release-simulation
+/dram/src/common/third_party/DRAMPower/*
+*.*~
+dram/build-*/
diff --git a/dram/.gitignore b/dram/.gitignore
deleted file mode 100644
index 58658cf3..00000000
--- a/dram/.gitignore
+++ /dev/null
@@ -1,6 +0,0 @@
-/debug
-/release
-*.tdb
-*.tdb-journal
-*.out
-*.txt
diff --git a/dram/dramSys/dramSys.pro b/dram/dramSys/dramSys.pro
index 6fed9296..128dd852 100644
--- a/dram/dramSys/dramSys.pro
+++ b/dram/dramSys/dramSys.pro
@@ -64,7 +64,8 @@ SOURCES += \
     ../src/simulation/SimulationManager.cpp \
     ../src/simulation/Simulation.cpp \
     ../src/simulation/MemoryManager.cpp \
-    ../src/simulation/main.cpp
+    ../src/simulation/main.cpp \
+    ../src/common/libDRAMPower.cpp
 
 HEADERS += \
     ../src/common/third_party/tinyxml2.h \
@@ -118,6 +119,7 @@ HEADERS += \
     ../src/simulation/MemoryManager.h \
     ../src/simulation/ISimulation.h \
     ../src/simulation/Dram.h \
-    ../src/simulation/Arbiter.h
+    ../src/simulation/Arbiter.h \
+    ../src/common/libDRAMPower.h
 
 
diff --git a/dram/resources/scripts/metrics.py b/dram/resources/scripts/metrics.py
index 8f198bfc..7f780cca 100644
--- a/dram/resources/scripts/metrics.py
+++ b/dram/resources/scripts/metrics.py
@@ -38,6 +38,18 @@ def getClock(connection):
    result = cursor.fetchone()
    return result[0]
 
+@metric
+def latency_histogram(connection):
+    cursor = connection.cursor()
+    cursor.execute("SELECT ((p2.PhaseEnd - p1.PhaseEnd)/1000) FROM Transactions t, Phases p1, Phases p2 WHERE t.id = p1.Transact and t.id = p2.Transact and p1.PhaseName = \"REQ\" and p2.PhaseName = \"RESP\" ")
+    result = cursor.fetchall()
+    #result.sort()
+    #print(max(result)[0])
+    import matplotlib.pyplot as plt
+    plt.hist(result, bins=max(result)[0], histtype='barstacked')
+    plt.savefig('hist.png')
+    return "Saved as hist.png"
+
 @metric
 def average_response_latency_in_ns(connection):
    cursor = connection.cursor()
@@ -258,6 +270,9 @@ def calculateMetrics(pathToTrace):
    #print(calculatedMetrics[-1])
    #print(calculatedMetrics[-2])
    
+   #refreshMissDecision(connection, calculatedMetrics)
+   print(calculatedMetrics[-1])
+   print(calculatedMetrics[-2])
    connection.close()
    return calculatedMetrics
 
diff --git a/dram/src/common/libDRAMPower.cpp b/dram/src/common/libDRAMPower.cpp
new file mode 100644
index 00000000..8a6ae82b
--- /dev/null
+++ b/dram/src/common/libDRAMPower.cpp
@@ -0,0 +1,5 @@
+#include "libdrampower.h"
+
+libDRAMPower::libDRAMPower()
+{
+}
diff --git a/dram/src/common/libDRAMPower.h b/dram/src/common/libDRAMPower.h
new file mode 100644
index 00000000..9b1ca0b5
--- /dev/null
+++ b/dram/src/common/libDRAMPower.h
@@ -0,0 +1,10 @@
+#ifndef LIBDRAMPOWER_H
+#define LIBDRAMPOWER_H
+
+class libDRAMPower
+{
+public:
+    libDRAMPower();
+};
+
+#endif // LIBDRAMPOWER_H
diff --git a/install_prerequisites.sh b/install_prerequisites.sh
new file mode 100755
index 00000000..7fb677b3
--- /dev/null
+++ b/install_prerequisites.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+mkdir -p dram/src/common/third_party/DRAMPower
+cd dram/src/common/third_party/DRAMPower
+wget "http://www.es.ele.tue.nl/drampower/DRAMPower3.1.zip"
+unzip DRAMPower3.1.zip
+mv DRAMPower3.1/* .
+rm -r DRAMPower3.1
+rm -r DRAMPower3.1.zip