# Node ID df69dd6ec6fce27f286ca9ecac02150736c219d8
# Parent  9be8a40026dfa419c3daf572407f9391ad48e1ed
diff --git a/configs/common/MemConfig.py b/configs/common/MemConfig.py
--- a/configs/common/MemConfig.py
+++ b/configs/common/MemConfig.py
@@ -41,6 +41,7 @@
 import sys
 import HMC
 from textwrap import  TextWrapper
+from m5.util import warn
 
 # Dictionary of mapping names of real memory controller models to
 # classes.
@@ -211,6 +212,20 @@
                     options.mem_ranks:
                 mem_ctrl.ranks_per_channel = options.mem_ranks
 
+            # Only do this for SimpleMemory derivatives
+            if issubclass(cls, m5.objects.SimpleMemory):
+                if options.mem_latency:
+                    mem_ctrl.latency = \
+                            m5.objects.Latency(options.mem_latency)
+                if options.mem_bandwidth:
+                    mem_ctrl.bandwidth = \
+                            m5.objects.MemoryBandwidth(options.mem_bandwidth)
+            else:
+                if options.mem_latency or options.mem_bandwidth:
+                    warn("--mem-latency and --mem-bandwidth are only used" \
+                         " with SimpleMemory. Specified --mem-type is %s." \
+                         % options.mem_type)
+
             if options.elastic_trace_en:
                 mem_ctrl.latency = '1ns'
                 print "For elastic trace, over-riding Simple Memory " \
diff --git a/configs/common/Options.py b/configs/common/Options.py
--- a/configs/common/Options.py
+++ b/configs/common/Options.py
@@ -108,6 +108,10 @@
     parser.add_option("--mem-type", type="choice", default="DDR3_1600_x64",
                       choices=MemConfig.mem_names(),
                       help = "type of memory to use")
+    parser.add_option("--mem-latency", type="string",
+                      help="Memory latency (for SimpleMemory only)")
+    parser.add_option("--mem-bandwidth", type="string",
+                      help="Memory bandwidth (for SimpleMemory only)")
     parser.add_option("--mem-channels", type="int", default=1,
                       help = "number of memory channels")
     parser.add_option("--mem-ranks", type="int", default=None,
diff --git a/configs/ruby/Ruby.py b/configs/ruby/Ruby.py
--- a/configs/ruby/Ruby.py
+++ b/configs/ruby/Ruby.py
@@ -43,7 +43,7 @@
 import m5
 from m5.objects import *
 from m5.defines import buildEnv
-from m5.util import addToPath, fatal
+from m5.util import addToPath, fatal, warn
 
 import MemConfig
 addToPath('../topologies')
@@ -122,6 +122,19 @@
                 MemConfig.get(options.mem_type), r, index, options.num_dirs,
                 int(math.log(options.num_dirs, 2)), options.cacheline_size)
 
+            # Only do this for SimpleMemory derivatives
+            if isinstance(mem_ctrl, m5.objects.SimpleMemory):
+                if options.mem_latency:
+                    mem_ctrl.latency = Latency(options.mem_latency)
+                if options.mem_bandwidth:
+                    mem_ctrl.bandwidth = \
+                            MemoryBandwidth(options.mem_bandwidth)
+            else:
+                if options.mem_latency or options.mem_bandwidth:
+                    warn("--mem-latency and --mem-bandwidth are only used" \
+                         " with SimpleMemory. Specified --mem-type is %s." \
+                         % options.mem_type)
+
             mem_ctrls.append(mem_ctrl)
 
             if crossbar != None: