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 benchmark = cls(context)
30 method = getattr(benchmark, method_name)
32 interval = context.get("interval", 1)
33 arg_name = context.get('name')
34 stop = context.get('stop')
35 step = context.get('step')
36 options = scenario_args['options']
37 start = options.get(arg_name, 0)
39 context['runner'] = os.getpid()
41 LOG.info("worker START, step(%s, %d, %d, %d), class %s",
42 arg_name, start, stop, step, cls)
44 record_context = {"runner": context["runner"],
45 "host": context["host"]}
48 if "sla" in scenario_args:
49 sla_action = scenario_args["sla"].get("action", "assert")
51 for value in range(start, stop, step):
53 options[arg_name] = value
55 LOG.debug("runner=%(runner)s seq=%(sequence)s START" %
56 {"runner": context["runner"], "sequence": sequence})
62 data = method(scenario_args)
63 except AssertionError as assertion:
64 # SLA validation failed in scenario, determine what to do now
65 if sla_action == "assert":
67 elif sla_action == "monitor":
68 LOG.warning("SLA validation failed: %s" % assertion.args)
69 errors = assertion.args
70 except Exception as e:
71 errors = traceback.format_exc()
77 'timestamp': time.time(),
83 queue.put({'context': record_context, 'sargs:': scenario_args,
84 'benchmark': benchmark_output})
86 LOG.debug("runner=%(runner)s seq=%(sequence)s END" %
87 {"runner": context["runner"], "sequence": sequence})
94 LOG.info("worker END")
97 class ArithmeticRunner(base.Runner):
99 __execution_type__ = 'Arithmetic'
101 def _run_benchmark(self, cls, method, scenario_args):
102 self.process = multiprocessing.Process(
103 target=_worker_process,
104 args=(self.result_queue, cls, method, self.config, scenario_args))