measured_rate = (self.nthreads * self.nflows) / t.secs
print ' Measured rate: %.2f (%.2f%% of Total success rate)' % \
(measured_rate, measured_rate / self.total_rate.value * 100)
+ print ' Measured time: %.2fs' % t.secs
self.threads_done = 0
self.ok_rate.value = 0