New metric: bank usage ratio

DRAMSys/analyzer/scripts/metrics.py

@@ -219,6 +219,19 @@ def number_of_accesses(connection):
     return result[0]
 
 
+@metric
+def bank_usage_ratio(connection):
+    bankAccess = []
+    cursor = connection.cursor()
+    total = number_of_accesses(connection)
+    for bank in range(getNumberOfBanks(connection)):
+        cursor.execute("SELECT COUNT(*) FROM Transactions where TBank = {}".format(bank))
+        r = cursor.fetchone()
+        bankAccess.append(round((float(r[0]) / float(total)) * 100.0, 2))
+
+    return ",".join(format(x, "6.2f") for x in bankAccess)
+
+
 # @metric
 # def number_of_precharges(connection):
 #     cursor = connection.cursor()