def _ProfileScope(self, profileScopeName):
"""
A context manager that measures the execution time between enter and
exit and stores the elapsed time in the class' metrics dictionary.
"""
stopwatch = Tf.Stopwatch()
collector = Trace.Collector()
try:
stopwatch.Start()
collector.enabled = True
collector.BeginEvent(profileScopeName)
yield
finally:
collector.EndEvent(profileScopeName)
collector.enabled = False
stopwatch.Stop()
elapsedTime = stopwatch.seconds
self._profileScopeMetrics[profileScopeName] = elapsedTime
Tf.Status('%s: %f' % (profileScopeName, elapsedTime))
traceFilePath = os.path.join(self._testDir,
'%s.trace' % profileScopeName)
Trace.Reporter.globalReporter.Report(traceFilePath)
collector.Clear()
Trace.Reporter.globalReporter.ClearTree()
def _ProfileScope(self, profileScopeName):
"""
A context manager that measures the execution time between enter and
exit and stores the elapsed time in the class' metrics dictionary.
"""
stopwatch = Tf.Stopwatch()
try:
stopwatch.Start()
yield
finally:
stopwatch.Stop()
elapsedTime = stopwatch.seconds
self._profileScopeMetrics[profileScopeName] = elapsedTime
Tf.Status("%s: %f" % (profileScopeName, elapsedTime))
def __enter__(self):
self._stopwatch = Tf.Stopwatch()
self._stopwatch.Start()
self.interval = 0
return self
