else:
stdev = statistics.stdev(hist)
logger.debug(f'For {func_name}, performance stdev={stdev}')
slowest = hist[-1]
logger.debug(f'For {func_name}, slowest perf on record is {slowest:f}s')
limit = slowest + stdev * 4
else:
stdev = statistics.stdev(hist)
logger.debug(f'For {func_name}, performance stdev={stdev}')
slowest = hist[-1]
logger.debug(f'For {func_name}, slowest perf on record is {slowest:f}s')
limit = slowest + stdev * 4