def work(self):
"""
Long running loop that periodically dumps the stats.
"""
if profiler.is_running():
raise NovaServiceProfilingException("Profiling already enabled.")
# Set clock type
self.set_clock_type()
# Start profiler
profiler.start()
self._started = utils.utc_seconds()
last_dumped = time.time()
while not self.should_stop():
# Sleep for less than whole interval for faster interrupts
sleep(self._sub_interval)
checked = time.time()
# Only take action if we have exceeded the interval period
if (checked - last_dumped) > self._config.interval:
self._dump()
# Update last dumped
last_dumped = checked
# Finally stop the profiler
profiler.stop()
self._ended = utils.utc_seconds()
