experiments: add single core micro benchmark experiment

experiments/pyexps/rpc_singlecore.py

+import modes.experiments as exp
+import modes.simulators as sim
+import modes.nodeconfig as node
+
+
+msg_sizes = [64, 1024, 8092]
+stacks = ['mtcp', 'tas', 'linux']
+num_clients = 1
+
+experiments = []
+for msg_size in msg_sizes:
+  for stack in stacks:
+    e = exp.Experiment('qemu-ib-switch-rpc-%s-1t-1fpc-%db-0mpc' % (stack,msg_size))
+    net = sim.SwitchNet()
+    e.add_network(net)
+
+    if stack == 'tas':
+        n = node.TASNode
+    elif stack == 'mtcp':
+        n = node.MtcpNode
+    else:
+        n = node.I40eLinuxNode
+
+    servers = sim.create_basic_hosts(e, 1, 'server', net, sim.I40eNIC, sim.QemuHost,
+            n, node.RPCServer)
+
+    clients = sim.create_basic_hosts(e, num_clients, 'client', net, sim.I40eNIC,
+            sim.QemuHost, n, node.RPCClient, ip_start = 2)
+
+    for h in servers + clients:
+        h.node_config.cores = 1 if stack != 'tas' else 3
+        h.node_config.fp_cores = 1
+        h.node_config.app.threads = 1
+        h.node_config.app.max_bytes = msg_size
+
+        if stack == 'linux':
+            h.node_config.disk_image = 'tas'
+
+    servers[0].sleep = 5
+
+    for c in clients:
+        c.wait = True
+        c.node_config.app.server_ip = servers[0].node_config.ip
+
+    experiments.append(e)
+