Merge "[workaround] Disable gui for aarch64"
[yardstick.git] / yardstick / benchmark / runners / duration.py
index 2bf2cd2..14fd8bb 100644 (file)
@@ -27,10 +27,14 @@ import traceback
 import time
 
 from yardstick.benchmark.runners import base
+from yardstick.common import exceptions as y_exc
 
 LOG = logging.getLogger(__name__)
 
 
+QUEUE_PUT_TIMEOUT = 10
+
+
 def _worker_process(queue, cls, method_name, scenario_cfg,
                     context_cfg, aborted, output_queue):
 
@@ -40,7 +44,8 @@ def _worker_process(queue, cls, method_name, scenario_cfg,
 
     interval = runner_cfg.get("interval", 1)
     duration = runner_cfg.get("duration", 60)
-    LOG.info("worker START, duration %d sec, class %s", duration, cls)
+    LOG.info("Worker START, duration is %ds", duration)
+    LOG.debug("class is %s", cls)
 
     runner_cfg['runner_id'] = os.getpid()
 
@@ -52,11 +57,8 @@ def _worker_process(queue, cls, method_name, scenario_cfg,
     if "sla" in scenario_cfg:
         sla_action = scenario_cfg["sla"].get("action", "assert")
 
-    queue.put({'runner_id': runner_cfg['runner_id'],
-               'scenario_cfg': scenario_cfg,
-               'context_cfg': context_cfg})
-
     start = time.time()
+    timeout = start + duration
     while True:
 
         LOG.debug("runner=%(runner)s seq=%(sequence)s START",
@@ -65,23 +67,30 @@ def _worker_process(queue, cls, method_name, scenario_cfg,
         data = {}
         errors = ""
 
+        benchmark.pre_run_wait_time(interval)
+
         try:
             result = method(data)
-        except AssertionError as assertion:
+        except y_exc.SLAValidationError as error:
             # SLA validation failed in scenario, determine what to do now
             if sla_action == "assert":
+                benchmark.teardown()
                 raise
             elif sla_action == "monitor":
-                LOG.warning("SLA validation failed: %s", assertion.args)
-                errors = assertion.args
-        except Exception as e:
+                LOG.warning("SLA validation failed: %s", error.args)
+                errors = error.args
+        # catch all exceptions because with multiprocessing we can have un-picklable exception
+        # problems  https://bugs.python.org/issue9400
+        except Exception:  # pylint: disable=broad-except
             errors = traceback.format_exc()
-            LOG.exception(e)
+            LOG.exception("")
         else:
             if result:
-                output_queue.put(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)
+        benchmark.post_run_wait_time(interval)
 
         benchmark_output = {
             'timestamp': time.time(),
@@ -90,22 +99,29 @@ 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"], "sequence": sequence})
 
         sequence += 1
 
-        if (errors and sla_action is None) or \
-                (time.time() - start > duration or aborted.is_set()):
-            LOG.info("worker END")
+        if (errors and sla_action is None) or time.time() > timeout or aborted.is_set():
+            LOG.info("Worker END")
             break
 
-    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 DurationRunner(base.Runner):
@@ -126,7 +142,9 @@ If the scenario ends before the time has elapsed, it will be started again.
     __execution_type__ = 'Duration'
 
     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, self.output_queue))