1 ##############################################################################
2 # Copyright (c) 2015 Ericsson AB and others.
4 # All rights reserved. This program and the accompanying materials
5 # are made available under the terms of the Apache License, Version 2.0
6 # which accompanies this distribution, and is available at
7 # http://www.apache.org/licenses/LICENSE-2.0
8 ##############################################################################
10 '''A runner that every run arithmetically steps a specified input value to
11 the scenario. This just means a step value is added to the previous value.
15 import multiprocessing
20 from yardstick.benchmark.runners import base
22 LOG = logging.getLogger(__name__)
25 def _worker_process(queue, cls, method_name, context, scenario_args):
29 interval = context.get("interval", 1)
30 arg_name = context.get('name')
31 stop = context.get('stop')
32 step = context.get('step')
33 options = scenario_args['options']
34 start = options.get(arg_name, 0)
36 context['runner'] = os.getpid()
38 LOG.info("worker START, step(%s, %d, %d, %d), class %s",
39 arg_name, start, stop, step, cls)
41 benchmark = cls(context)
43 method = getattr(benchmark, method_name)
45 record_context = {"runner": context["runner"],
46 "host": context["host"]}
49 if "sla" in scenario_args:
50 sla_action = scenario_args["sla"].get("action", "assert")
52 for value in range(start, stop+step, step):
54 options[arg_name] = value
56 LOG.debug("runner=%(runner)s seq=%(sequence)s START" %
57 {"runner": context["runner"], "sequence": sequence})
63 data = method(scenario_args)
64 except AssertionError as assertion:
65 # SLA validation failed in scenario, determine what to do now
66 if sla_action == "assert":
68 elif sla_action == "monitor":
69 LOG.warning("SLA validation failed: %s" % assertion.args)
70 errors = assertion.args
71 except Exception as e:
72 errors = traceback.format_exc()
78 'timestamp': time.time(),
84 queue.put({'context': record_context, 'sargs:': scenario_args,
85 'benchmark': benchmark_output})
87 LOG.debug("runner=%(runner)s seq=%(sequence)s END" %
88 {"runner": context["runner"], "sequence": sequence})
96 LOG.info("worker END")
99 class ArithmeticRunner(base.Runner):
100 '''Run a scenario arithmetically stepping an input value
103 interval - time to wait between each scenario invocation
107 name - name of scenario option that will be increased for each invocation
111 start - value to use in first invocation of scenario
115 step - value added to start value in next invocation of scenario
119 stop - value indicating end of invocation
125 __execution_type__ = 'Arithmetic'
127 def _run_benchmark(self, cls, method, scenario_args):
128 self.process = multiprocessing.Process(
129 target=_worker_process,
130 args=(self.result_queue, cls, method, self.config, scenario_args))