add no_simbricks experiment

experiments/pyexps/no-simbricks.py

+# Copyright 2021 Max Planck Institute for Software Systems, and
+# National University of Singapore
+#
+# Permission is hereby granted, free of charge, to any person obtaining
+# a copy of this software and associated documentation files (the
+# "Software"), to deal in the Software without restriction, including
+# without limitation the rights to use, copy, modify, merge, publish,
+# distribute, sublicense, and/or sell copies of the Software, and to
+# permit persons to whom the Software is furnished to do so, subject to
+# the following conditions:
+#
+# The above copyright notice and this permission notice shall be
+# included in all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+import simbricks.experiments as exp
+import simbricks.simulators as sim
+import simbricks.nodeconfig as node
+
+
+app_types = ['sleep', 'busy']
+
+experiments = []
+
+
+for app_type in app_types:
+
+    e = exp.Experiment('no_simb-gt-' + app_type)
+
+    host_class = sim.Gem5Host
+    e.checkpoint = True
+    e.no_simbricks = True
+            
+
+    nc_class = node.I40eLinuxNode
+    # create servers and clients
+    
+    host = host_class()
+    host.name = 'host.0'
+    node_config = nc_class()
+    node_config.ip = '10.0.0.1'
+    node_config.app = node.NoTraffic()
+    node_config.cores = 1
+
+    # is busy 
+    if app_type == 'sleep':
+        node_config.app.is_sleep = 1
+    else:
+        node_config.app.is_sleep = 0
+        
+    host.set_config(node_config)
+    e.add_host(host)
+    host.wait = True
+
+
+    print(e.name)
+
+
+    # add to experiments
+    experiments.append(e)
+
+
+

experiments/simbricks/nodeconfig.py

@@ -356,6 +356,23 @@ class IperfUDPClientSleep(AppConfig):
                 'sleep 10'
                 ]
 
+
+class NoTraffic(AppConfig):
+    is_sleep = 1
+    is_server = 0
+    def run_cmds(self, node):
+        cmds = []
+        if (self.is_server):
+            cmds.append('sleep infinity')
+        else:
+            if (self.is_sleep):
+                cmds.append('sleep 10')
+                
+            else:
+                cmds.append('dd if=/dev/urandom of=/dev/null count=500000') 
+
+        return cmds
+
 class NetperfServer(AppConfig):
     def run_cmds(self, node):
         return ['netserver',