Added performance testing for the limit of a machine

[osm/vim-emu.git] / examples / performance_measurements / limit_testing.py

diff --git a/examples/performance_measurements/limit_testing.py b/examples/performance_measurements/limit_testing.py
new file mode 100644 (file)
index 0000000..2cb2a6d
--- /dev/null
+++ b/examples/performance_measurements/limit_testing.py
@@ -0,0 +1,60 @@
+#!/usr/bin/env python2
+# Copyright (c) 2019 Erik Schilling
+# ALL RIGHTS RESERVED.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import time
+
+import psutil
+
+from emuvim.api.osm.pre_configured_osm import PreConfiguredOSM
+
+import csv
+
+
+with open('limit_testing_%d.csv' % time.time(), 'w') as csvfile:
+    fieldnames = ['i', 'used_ram', 'cpu_usage']
+    writer = csv.DictWriter(csvfile, fieldnames=fieldnames)
+    writer.writeheader()
+
+    start = time.time()
+    with PreConfiguredOSM() as osm:
+        start_done = time.time()
+        osm.onboard_vnfd('../vnfs/multiple_vdu_vnfd')
+        nsd_id = osm.onboard_nsd('../services/multiple_vdu_nsd')
+
+        i = 0
+        while True:
+            time.sleep(3)
+
+            measurement = {
+                'i': i,
+                'used_ram': psutil.virtual_memory().used,
+                'cpu_usage': psutil.cpu_percent(interval=1)
+            }
+            writer.writerow(measurement)
+            csvfile.flush()
+
+            i += 1
+
+            osm.ns_create('multiple-vdu-test-%d' % i, nsd_id)
+            _, num_failed = osm.ns_wait_until_all_in_status('running', 'failed')
+            if num_failed != 0:
+                print('NS failed')
+                break
+
+        for ns in osm.ns_list():
+            osm.ns_delete(ns['id'])
+
+        osm.ns_wait_until_all_in_status('terminated')