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-rw-r--r--testsuites/vstf/vstf_scripts/vstf/agent/equalizer/optimize.py62
1 files changed, 62 insertions, 0 deletions
diff --git a/testsuites/vstf/vstf_scripts/vstf/agent/equalizer/optimize.py b/testsuites/vstf/vstf_scripts/vstf/agent/equalizer/optimize.py
new file mode 100644
index 00000000..5a09900d
--- /dev/null
+++ b/testsuites/vstf/vstf_scripts/vstf/agent/equalizer/optimize.py
@@ -0,0 +1,62 @@
+##############################################################################
+# Copyright (c) 2015 Huawei Technologies Co.,Ltd and others.
+#
+# All rights reserved. This program and the accompanying materials
+# are made available under the terms of the Apache License, Version 2.0
+# which accompanies this distribution, and is available at
+# http://www.apache.org/licenses/LICENSE-2.0
+##############################################################################
+
+import commands
+import re
+
+
+# import pdb
+# pdb.set_trace()
+
+class Optimize(object):
+ def __init__(self):
+ pass
+
+ def bind_cpu(self, cpu_range, thread):
+ flag, num = commands.getstatusoutput('taskset -pc %s %s' % (cpu_range, thread))
+ return flag
+
+ def catch_thread_info(self):
+ thread_info = {'fwd_vhost': None, 'src_recv_irq': None, 'dst_send_irq': None}
+ # top -H get the usage info
+ flag, threads_usages = commands.getstatusoutput('top -bH -n1 -c -w 2000')
+ line_array = threads_usages.split('\n')
+ # get highest vhost line
+ for line in line_array:
+ if re.search('vhost-', line) and self._check_thread_usage(line):
+ thread_info['fwd_vhost'] = line.split()[0]
+ break
+ # get highest irq thread as src_recv_irq thread
+ for line in line_array:
+ if re.search('irq/', line) and self._check_thread_usage(line):
+ thread_info['src_recv_irq'] = line.split()[0]
+ line_array.remove(line)
+ break
+ # get the second highest irq thread as dst_send_irq
+ for line in line_array:
+ if re.search('irq/', line) and self._check_thread_usage(line):
+ thread_info['dst_send_irq'] = line.split()[0]
+ break
+ # check the data valid
+
+ for key in thread_info.keys():
+ if thread_info[key] is None:
+ return False, str(thread_info)
+ return True, str(thread_info)
+
+ def _check_thread_usage(self, line):
+ try:
+ usage = line.split()[8]
+ if float(usage) >= 3.0:
+ return True
+ else:
+ print("[ERROR]The highest thread %s is less than 0.05" % usage)
+ return False
+ except:
+ print("[ERROR]The thread usage get failed.")