예제 #1
0
파일: ethdrv.py 프로젝트: ikozhukhov/oTTo
def list_stats(l):
    stats = '\tsamples:%s' % len(l)
    stats += '\taverage:%s' % timefmt(average(l))
    stats += '\tstddev:%s' % timefmt(standard_dev(l))
    stats += '\tmax:%s' % max(l)
    stats += '\tmin:%s' % min(l)
    return stats
예제 #2
0
파일: ethdrv.py 프로젝트: mennis/oTTo
def list_stats(l):
    stats = '\tsamples:%s' % len(l)
    stats += '\taverage:%s' % timefmt(average(l))
    stats += '\tstddev:%s' % timefmt(standard_dev(l))
    stats += '\tmax:%s' % max(l)
    stats += '\tmin:%s' % min(l)
    return stats
예제 #3
0
파일: fio.py 프로젝트: mennis/oTTo
def calculate_stats(stats):
    """
    processing fio json output as dict to return
    :param stats: a dictionary of the fio format::

        {"fio version" : "fio-2.1.4",
         "jobs" : [
           {
             "jobname" : "results",
             "groupid" : 0,
             "error" : 0,
             "read" : {
               "io_bytes" : 131072,
               "bw" : 0,
               "iops" : 0,
               "runtime" : 0,
               "slat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00
               },
               "clat" : {
                 "min" : 0,
                 "max" : 1684,
                 "mean" : 11.34,
                 "stddev" : 31.27,
                 "percentile" : {
                   "1.000000" : 6,
                   "5.000000" : 7,
                   "10.000000" : 7,
                   "20.000000" : 8,
                   "30.000000" : 8,
                   "40.000000" : 8,
                   "50.000000" : 8,
                   "60.000000" : 9,
                   "70.000000" : 9,
                   "80.000000" : 9,
                   "90.000000" : 10,
                   "95.000000" : 14,
                   "99.000000" : 68,
                   "99.500000" : 93,
                   "99.900000" : 438,
                   "99.950000" : 724,
                   "99.990000" : 1320,
                   "0.00" : 0,
                   "0.00" : 0,
                   "0.00" : 0
                 }
               },
               "lat" : {
                 "min" : 0,
                 "max" : 1684,
                 "mean" : 11.58,
                 "stddev" : 31.32
               },
               "bw_min" : 0,
               "bw_max" : 0,
               "bw_agg" : 0.00,
               "bw_mean" : 0.00,
               "bw_dev" : 0.00
             },
             "write" : {
               "io_bytes" : 0,
               "bw" : 0,
               "iops" : 0,
               "runtime" : 0,
               "slat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00
               },
               "clat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00,
                 "percentile" : {
                   "1.000000" : 0,
                   "5.000000" : 0,
                   "10.000000" : 0,
                   "20.000000" : 0,
                   "30.000000" : 0,
                   "40.000000" : 0,
                   "50.000000" : 0,
                   "60.000000" : 0,
                   "70.000000" : 0,
                   "80.000000" : 0,
                   "90.000000" : 0,
                   "95.000000" : 0,
                   "99.000000" : 0,
                   "99.500000" : 0,
                   "99.900000" : 0,
                   "99.950000" : 0,
                   "99.990000" : 0,
                   "0.00" : 0,
                   "0.00" : 0,
                   "0.00" : 0
                 }
               },
               "lat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00
               },
               "bw_min" : 0,
               "bw_max" : 0,
               "bw_agg" : 0.00,
               "bw_mean" : 0.00,
               "bw_dev" : 0.00
             },
             "trim" : {
               "io_bytes" : 0,
               "bw" : 0,
               "iops" : 0,
               "runtime" : 0,
               "slat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00
               },
               "clat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00,
                 "percentile" : {
                   "1.000000" : 0,
                   "5.000000" : 0,
                   "10.000000" : 0,
                   "20.000000" : 0,
                   "30.000000" : 0,
                   "40.000000" : 0,
                   "50.000000" : 0,
                   "60.000000" : 0,
                   "70.000000" : 0,
                   "80.000000" : 0,
                   "90.000000" : 0,
                   "95.000000" : 0,
                   "99.000000" : 0,
                   "99.500000" : 0,
                   "99.900000" : 0,
                   "99.950000" : 0,
                   "99.990000" : 0,
                   "0.00" : 0,
                   "0.00" : 0,
                   "0.00" : 0
                 }
               },
               "lat" : {
                 "min" : 0,
                 "max" : 0,
                 "mean" : 0.00,
                 "stddev" : 0.00
               },
               "bw_min" : 0,
               "bw_max" : 0,
               "bw_agg" : 0.00,
               "bw_mean" : 0.00,
               "bw_dev" : 0.00
             },
             "usr_cpu" : 0.00,
             "sys_cpu" : 0.00,
             "ctx" : 24,
             "majf" : 0,
             "minf" : 0,
             "iodepth_level" : {
               "1" : 100.00,
               "2" : 0.00,
               "4" : 0.00,
               "8" : 0.00,
               "16" : 0.00,
               "32" : 0.00,
               ">=64" : 0.00
             },
             "latency_us" : {
               "2" : 0.01,
               "4" : 0.00,
               "10" : 81.63,
               "20" : 14.22,
               "50" : 1.86,
               "100" : 1.83,
               "250" : 0.29,
               "500" : 0.06,
               "750" : 0.05,
               "1000" : 0.02
             },
             "latency_ms" : {
               "2" : 0.03,
               "4" : 0.00,
               "10" : 0.00,
               "20" : 0.00,
               "50" : 0.00,
               "100" : 0.00,
               "250" : 0.00,
               "500" : 0.00,
               "750" : 0.00,
               "1000" : 0.00,
               "2000" : 0.00,
               ">=2000" : 0.00
             }
           }
         ]
        }


    returns::

        { 'bw': {'average': 900.0, 'deviation': 900.0, 'median': 900.0},
          'iops': {'average': 1010.1, 'deviation': 10.1, 'median': 1010.0},
          'lat': {'average': 0.2, 'deviation': 0.5, 'median': 0.1}
        }
    """

    iops = list()
    bw = list()
    lat = list()
    for s in stats:
        bw.append(s[0])
        iops.append(s[1])
        lat.append(s[2])

    report = dict()
    report['iops'] = {'median': median(iops), 'average': average(iops), 'deviation': standard_dev(iops)}
    report['bw'] = {'median': median(bw), 'average': average(bw), 'deviation': standard_dev(bw)}
    report['lat'] = {'median': median(lat), 'average': average(lat), 'deviation': standard_dev(lat)}
    logger.debug(pformat(report))
    return report
예제 #4
0
파일: test_compute.py 프로젝트: mennis/oTTo
 def test_standard_deviation(self):
     self.assertAlmostEqual(standard_dev(self.s), np.std(self.s), 6)
예제 #5
0
 def test_standard_deviation(self):
     self.assertAlmostEqual(standard_dev(self.s), np.std(self.s), 6)