experiments: add an example with memnic and netmem

experiments/pyexps/netmem.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.orchestration.experiments as exp
+import simbricks.orchestration.nodeconfig as node
+import simbricks.orchestration.simulators as sim
+
+experiments = []
+
+class MemTest(node.AppConfig):
+    def __init__(self, addr):
+        self.addr = addr
+
+    def run_cmds(self, node):
+        return [
+            f'busybox devmem 0x{self.addr:x} 64 0x42'
+        ]
+
+
+for h in ['gk']:
+    e = exp.Experiment('netmem-' + h)
+    e.checkpoint = False
+
+    switch = sim.SwitchNet()
+    e.add_network(switch)
+
+    memnic = sim.MemNIC()
+    memnic.name = 'memnic0'
+    memnic.addr = 0x2000000000
+
+    netmem = sim.NetMem()
+    netmem.name = 'netmem0'
+
+    node_config = node.NodeConfig()
+    node_config.nockp = True
+    node_config.app = MemTest(memnic.addr)
+
+    if h == 'gk':
+        host = sim.Gem5Host(node_config)
+        host.cpu_type = 'X86KvmCPU'
+        host.variant = 'opt'
+    elif h == 'qk':
+        host = sim.QemuHost(node_config)
+    host.name = 'host.0'
+    e.add_host(host)
+    host.wait = True
+
+    e.add_memdev(memnic)
+    e.add_netmem(netmem)
+    host.add_memdev(memnic)
+
+    memnic.set_network(switch)
+    netmem.set_network(switch)
+
+    experiments.append(e)