def test_performance_of_missing(self):
'''missing() performance for current system'''
iterations = 20
r_start = resource.getrusage(resource.RUSAGE_SELF)
ls = LanguageSupport(self.apt_cache, self.pkg_depends)
r_init = resource.getrusage(resource.RUSAGE_SELF)
ls.missing(True)
r_first = resource.getrusage(resource.RUSAGE_SELF)
for i in range(iterations):
ls.missing(True)
r_iter = resource.getrusage(resource.RUSAGE_SELF)
init = (r_init.ru_utime + r_init.ru_stime -
r_start.ru_utime - r_start.ru_stime) * 1000000
first = (r_first.ru_utime + r_first.ru_stime -
r_init.ru_utime - r_init.ru_stime) * 1000000
avg = (r_iter.ru_utime + r_iter.ru_stime -
r_first.ru_utime - r_first.ru_stime) * 1000000/iterations
sys.stderr.write('[%iμs init, %iμs first, %iμs avg] ' % (int(init+.5), int(first+.5), int(avg+.5)))
def test_performance_of_missing(self):
'''missing() performance for current system'''
iterations = 20
r_start = resource.getrusage(resource.RUSAGE_SELF)
ls = LanguageSupport(self.apt_cache, self.pkg_depends)
r_init = resource.getrusage(resource.RUSAGE_SELF)
ls.missing(True)
r_first = resource.getrusage(resource.RUSAGE_SELF)
for i in range(iterations):
ls.missing(True)
r_iter = resource.getrusage(resource.RUSAGE_SELF)
init = (r_init.ru_utime + r_init.ru_stime - r_start.ru_utime -
r_start.ru_stime) * 1000000
first = (r_first.ru_utime + r_first.ru_stime - r_init.ru_utime -
r_init.ru_stime) * 1000000
avg = (r_iter.ru_utime + r_iter.ru_stime - r_first.ru_utime -
r_first.ru_stime) * 1000000 / iterations
sys.stderr.write('[%iμs init, %iμs first, %iμs avg] ' %
(int(init + .5), int(first + .5), int(avg + .5)))
