1 # Copyright 2014: Mirantis Inc.
4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
5 # not use this file except in compliance with the License. You may obtain
6 # a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 # License for the specific language governing permissions and limitations
16 # yardstick comment: this is a modified copy of
17 # rally/rally/benchmark/runners/constant.py
19 """A runner that runs a specific time before it returns
22 from __future__ import absolute_import
24 import multiprocessing
29 from yardstick.benchmark.runners import base
31 LOG = logging.getLogger(__name__)
34 def _worker_process(queue, cls, method_name, scenario_cfg,
35 context_cfg, aborted, output_queue):
39 runner_cfg = scenario_cfg['runner']
41 interval = runner_cfg.get("interval", 1)
42 duration = runner_cfg.get("duration", 60)
43 LOG.info("Worker START, duration is %ds", duration)
44 LOG.debug("class is %s", cls)
46 runner_cfg['runner_id'] = os.getpid()
48 benchmark = cls(scenario_cfg, context_cfg)
50 method = getattr(benchmark, method_name)
53 if "sla" in scenario_cfg:
54 sla_action = scenario_cfg["sla"].get("action", "assert")
57 timeout = start + duration
60 LOG.debug("runner=%(runner)s seq=%(sequence)s START",
61 {"runner": runner_cfg["runner_id"], "sequence": sequence})
68 except AssertionError as assertion:
69 # SLA validation failed in scenario, determine what to do now
70 if sla_action == "assert":
72 elif sla_action == "monitor":
73 LOG.warning("SLA validation failed: %s", assertion.args)
74 errors = assertion.args
75 # catch all exceptions because with multiprocessing we can have un-picklable exception
76 # problems https://bugs.python.org/issue9400
78 errors = traceback.format_exc()
82 output_queue.put(result)
87 'timestamp': time.time(),
93 queue.put(benchmark_output)
95 LOG.debug("runner=%(runner)s seq=%(sequence)s END",
96 {"runner": runner_cfg["runner_id"], "sequence": sequence})
100 if (errors and sla_action is None) or time.time() > timeout or aborted.is_set():
101 LOG.info("Worker END")
107 # catch any exception in teardown and convert to simple exception
108 # never pass exceptions back to multiprocessing, because some exceptions can
110 # https://bugs.python.org/issue9400
114 LOG.debug("queue.qsize() = %s", queue.qsize())
115 LOG.debug("output_queue.qsize() = %s", output_queue.qsize())
118 class DurationRunner(base.Runner):
119 """Run a scenario for a certain amount of time
121 If the scenario ends before the time has elapsed, it will be started again.
124 duration - amount of time the scenario will be run for
128 interval - time to wait between each scenario invocation
133 __execution_type__ = 'Duration'
135 def _run_benchmark(self, cls, method, scenario_cfg, context_cfg):
136 self.process = multiprocessing.Process(
137 target=_worker_process,
138 args=(self.result_queue, cls, method, scenario_cfg,
139 context_cfg, self.aborted, self.output_queue))