def METHOD_NAME(self):
    t0 = pygame.time.get_ticks()
    self.experiment.surface.blit(self.surface, (0, 0))
    self.experiment.last_shown_canvas = self.surface
    pygame.display.flip()
    t1 = pygame.time.get_ticks()
    if t1 - t0 > self.MAX_SHOW_DT:
        oslogger.warning('Canvas.show() took {0} ms'.format(t1 - t0))
    return t1