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+##############################################################################
+# Copyright (c) 2016 ZTE Corporation 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
+##############################################################################
+
+"""
+PoC of performance profiler for OPNFV doctor project
+
+Usage:
+
+Export environment variables to set timestamp at each checkpoint in millisecond.
+Valid check points are: DOCTOR_PROFILER_T{00-09}
+
+See also: https://goo.gl/98Osig
+"""
+
+import json
+import os
+
+from oslo_config import cfg
+
+
+OPTS = [
+ cfg.StrOpt('profiler_type',
+ default=os.environ.get('PROFILER_TYPE', 'poc'),
+ help='the type of installer'),
+]
+
+
+OUTPUT = 'doctor_profiling_output'
+PREFIX = 'DOCTOR_PROFILER'
+TOTAL_CHECK_POINTS = 10
+MODULE_CHECK_POINTS = ['T00', 'T01', 'T04', 'T05', 'T06', 'T09']
+TAG_FORMAT = "{:<5}"
+# Inspired by https://github.com/reorx/httpstat
+TEMPLATE = """
+Total time cost: {total}(ms)
+==============================================================================>
+ |Monitor|Inspector |Controller|Notifier|Evaluator |
+ |{M00} |{M01} |{M02} |{M03} |{M04} |
+ | | | | | | | | | |
+link down:{T00}| | | | | | | | |
+ raw failure:{T01}| | | | | | | |
+ found affected:{T02}| | | | | | |
+ set VM error:{T03}| | | | | |
+ marked host down:{T04}| | | | |
+ notified VM error:{T05} | | | |
+ transformed event:{T06}| | |
+ evaluated event:{T07}| |
+ fired alarm:{T08}|
+ received alarm:{T09}
+"""
+
+
+def main(log=None):
+ check_points = ["T{:02d}".format(i) for i in range(TOTAL_CHECK_POINTS)]
+ module_map = {"M{:02d}".format(i):
+ (MODULE_CHECK_POINTS[i], MODULE_CHECK_POINTS[i + 1])
+ for i in range(len(MODULE_CHECK_POINTS) - 1)}
+
+ # check point tags
+ elapsed_ms = {cp: os.getenv("{}_{}".format(PREFIX, cp))
+ for cp in check_points}
+
+ def format_tag(tag):
+ return TAG_FORMAT.format(tag or '?')
+
+ tags = {cp: format_tag(ms) for cp, ms in elapsed_ms.items()}
+
+ def time_cost(cp):
+ if elapsed_ms[cp[0]] and elapsed_ms[cp[1]]:
+ return int(elapsed_ms[cp[1]]) - int(elapsed_ms[cp[0]])
+ else:
+ return None
+
+ # module time cost tags
+ modules_cost_ms = {module: time_cost(cp)
+ for module, cp in module_map.items()}
+
+ tags.update({module: format_tag(cost)
+ for module, cost in modules_cost_ms.items()})
+
+ tags.update({'total': time_cost((check_points[0], check_points[-1]))})
+
+ profile = TEMPLATE.format(**tags)
+
+ logfile = open('{}.json'.format(OUTPUT), 'w')
+ logfile.write(json.dumps(tags))
+
+ print(profile)
+ if log:
+ log.info('%s' % profile)
+
+
+if __name__ == '__main__':
+ main()