X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=yardstick%2Fbenchmark%2Frunners%2Fiteration.py;h=cb042437776b5c29c877061ccfeffc7e7c20a1e3;hb=e38d361b02aee43d7d16a3cff186e8017fa5996a;hp=29daa0d42f5226433bfb6873d7bf9bb5adca4b3b;hpb=b6454edc8d9cb7294cd2b63feb9a3b61fde35906;p=yardstick.git diff --git a/yardstick/benchmark/runners/iteration.py b/yardstick/benchmark/runners/iteration.py index 29daa0d42..cb0424377 100644 --- a/yardstick/benchmark/runners/iteration.py +++ b/yardstick/benchmark/runners/iteration.py @@ -20,19 +20,24 @@ """ from __future__ import absolute_import -import os -import multiprocessing + import logging -import traceback +import multiprocessing import time +import traceback + +import os from yardstick.benchmark.runners import base LOG = logging.getLogger(__name__) +QUEUE_PUT_TIMEOUT = 10 + + def _worker_process(queue, cls, method_name, scenario_cfg, - context_cfg, aborted): + context_cfg, aborted, output_queue): sequence = 1 @@ -41,10 +46,8 @@ def _worker_process(queue, cls, method_name, scenario_cfg, interval = runner_cfg.get("interval", 1) iterations = runner_cfg.get("iterations", 1) run_step = runner_cfg.get("run_step", "setup,run,teardown") + delta = runner_cfg.get("delta", 2) - options_cfg = scenario_cfg['options'] - initial_rate = options_cfg.get("rate", 100) - scenario_cfg['options']['rate'] = initial_rate LOG.info("worker START, iterations %d times, class %s", iterations, cls) runner_cfg['runner_id'] = os.getpid() @@ -55,10 +58,6 @@ def _worker_process(queue, cls, method_name, scenario_cfg, method = getattr(benchmark, method_name) - queue.put({'runner_id': runner_cfg['runner_id'], - 'scenario_cfg': scenario_cfg, - 'context_cfg': context_cfg}) - sla_action = None if "sla" in scenario_cfg: sla_action = scenario_cfg["sla"].get("action", "assert") @@ -73,7 +72,7 @@ def _worker_process(queue, cls, method_name, scenario_cfg, errors = "" try: - method(data) + result = method(data) except AssertionError as assertion: # SLA validation failed in scenario, determine what to do now if sla_action == "assert": @@ -82,12 +81,23 @@ def _worker_process(queue, cls, method_name, scenario_cfg, LOG.warning("SLA validation failed: %s", assertion.args) errors = assertion.args elif sla_action == "rate-control": + try: + scenario_cfg['options']['rate'] + except KeyError: + scenario_cfg.setdefault('options', {}) + scenario_cfg['options']['rate'] = 100 + scenario_cfg['options']['rate'] -= delta sequence = 1 continue - except Exception as e: + except Exception: errors = traceback.format_exc() - LOG.exception(e) + LOG.exception("") + else: + if result: + # add timeout for put so we don't block test + # if we do timeout we don't care about dropping individual KPIs + output_queue.put(result, True, QUEUE_PUT_TIMEOUT) time.sleep(interval) @@ -98,10 +108,7 @@ def _worker_process(queue, cls, method_name, scenario_cfg, 'errors': errors } - record = {'runner_id': runner_cfg['runner_id'], - 'benchmark': benchmark_output} - - queue.put(record) + queue.put(benchmark_output, True, QUEUE_PUT_TIMEOUT) LOG.debug("runner=%(runner)s seq=%(sequence)s END", {"runner": runner_cfg["runner_id"], @@ -114,7 +121,18 @@ def _worker_process(queue, cls, method_name, scenario_cfg, LOG.info("worker END") break if "teardown" in run_step: - benchmark.teardown() + try: + benchmark.teardown() + except Exception: + # catch any exception in teardown and convert to simple exception + # never pass exceptions back to multiprocessing, because some exceptions can + # be unpicklable + # https://bugs.python.org/issue9400 + LOG.exception("") + raise SystemExit(1) + + LOG.debug("queue.qsize() = %s", queue.qsize()) + LOG.debug("output_queue.qsize() = %s", output_queue.qsize()) class IterationRunner(base.Runner): @@ -135,8 +153,10 @@ If the scenario ends before the time has elapsed, it will be started again. __execution_type__ = 'Iteration' def _run_benchmark(self, cls, method, scenario_cfg, context_cfg): + name = "{}-{}-{}".format(self.__execution_type__, scenario_cfg.get("type"), os.getpid()) self.process = multiprocessing.Process( + name=name, target=_worker_process, args=(self.result_queue, cls, method, scenario_cfg, - context_cfg, self.aborted)) + context_cfg, self.aborted, self.output_queue)) self.process.start()