== sanity test 398b: DIO and buffer IO race ============== 17:48:55 (1722548935) /usr/bin/fio 12+0 records in 12+0 records out 12582912 bytes (13 MB) copied, 0.077111 s, 163 MB/s mix direct rw 12M to OST0 by fio with 4 jobs... mix buffer rw 12M to OST0 by fio with 4 jobs... rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (g=0): rw=randrw, bs=(R) 4096B-4096B, (W) 4096B-4096B, (T) 4096B-4096B, ioengine=psync, iodepth=16 ... fio-3.7 Starting 4 processes rand-rw: (groupid=0, jobs=1): err= 0: pid=23269: Thu Aug 1 17:48:57 2024 read: IOPS=244, BW=978KiB/s (1002kB/s)(1480KiB/1513msec) clat (usec): min=3, max=22755, avg=2329.31, stdev=2580.41 lat (usec): min=3, max=22756, avg=2329.99, stdev=2580.42 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 8], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 48], 50.00th=[ 2245], 60.00th=[ 2868], | 70.00th=[ 3556], 80.00th=[ 4228], 90.00th=[ 5145], 95.00th=[ 6390], | 99.00th=[10683], 99.50th=[11731], 99.90th=[22676], 99.95th=[22676], | 99.99th=[22676] bw ( KiB/s): min= 760, max= 1149, per=24.87%, avg=975.00, stdev=197.71, samples=3 iops : min= 190, max= 287, avg=243.67, stdev=49.32, samples=3 write: IOPS=263, BW=1052KiB/s (1077kB/s)(1592KiB/1513msec) clat (usec): min=80, max=10185, avg=1597.71, stdev=1907.48 lat (usec): min=81, max=10187, avg=1599.08, stdev=1907.79 clat percentiles (usec): | 1.00th=[ 92], 5.00th=[ 122], 10.00th=[ 139], 20.00th=[ 155], | 30.00th=[ 172], 40.00th=[ 229], 50.00th=[ 889], 60.00th=[ 1450], | 70.00th=[ 2008], 80.00th=[ 2933], 90.00th=[ 4424], 95.00th=[ 5473], | 99.00th=[ 8291], 99.50th=[ 8979], 99.90th=[10159], 99.95th=[10159], | 99.99th=[10159] bw ( KiB/s): min= 800, max= 1181, per=25.51%, avg=1052.33, stdev=218.54, samples=3 iops : min= 200, max= 295, avg=263.00, stdev=54.56, samples=3 lat (usec) : 4=0.39%, 10=5.99%, 20=11.33%, 50=1.56%, 100=1.04% lat (usec) : 250=20.70%, 500=3.26%, 750=0.65%, 1000=1.69% lat (msec) : 2=12.76%, 4=23.05%, 10=16.93%, 20=0.52%, 50=0.13% cpu : usr=0.26%, sys=14.02%, ctx=805, majf=0, minf=35 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23270: Thu Aug 1 17:48:57 2024 read: IOPS=243, BW=974KiB/s (998kB/s)(1436KiB/1474msec) clat (usec): min=4, max=20302, avg=2197.70, stdev=2590.57 lat (usec): min=4, max=20303, avg=2198.39, stdev=2590.65 clat percentiles (usec): | 1.00th=[ 6], 5.00th=[ 7], 10.00th=[ 10], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 717], 50.00th=[ 1860], 60.00th=[ 2573], | 70.00th=[ 3064], 80.00th=[ 3884], 90.00th=[ 5014], 95.00th=[ 6259], | 99.00th=[11994], 99.50th=[16319], 99.90th=[20317], 99.95th=[20317], | 99.99th=[20317] bw ( KiB/s): min= 872, max= 1000, per=23.87%, avg=936.00, stdev=90.51, samples=2 iops : min= 218, max= 250, avg=234.00, stdev=22.63, samples=2 write: IOPS=277, BW=1110KiB/s (1137kB/s)(1636KiB/1474msec) clat (usec): min=91, max=11450, avg=1651.45, stdev=2195.67 lat (usec): min=91, max=11450, avg=1653.03, stdev=2195.23 clat percentiles (usec): | 1.00th=[ 100], 5.00th=[ 124], 10.00th=[ 137], 20.00th=[ 153], | 30.00th=[ 163], 40.00th=[ 184], 50.00th=[ 408], 60.00th=[ 1418], | 70.00th=[ 1827], 80.00th=[ 2900], 90.00th=[ 5145], 95.00th=[ 6456], | 99.00th=[ 9110], 99.50th=[ 9765], 99.90th=[11469], 99.95th=[11469], | 99.99th=[11469] bw ( KiB/s): min= 976, max= 1152, per=25.79%, avg=1064.00, stdev=124.45, samples=2 iops : min= 244, max= 288, avg=266.00, stdev=31.11, samples=2 lat (usec) : 10=6.64%, 20=10.55%, 50=0.91%, 100=0.65%, 250=23.83% lat (usec) : 500=2.73%, 750=0.65%, 1000=1.82% lat (msec) : 2=15.23%, 4=21.09%, 10=15.10%, 20=0.65%, 50=0.13% cpu : usr=0.48%, sys=12.63%, ctx=782, majf=0, minf=32 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23271: Thu Aug 1 17:48:57 2024 read: IOPS=256, BW=1026KiB/s (1050kB/s)(1564KiB/1525msec) clat (usec): min=4, max=14512, avg=2219.07, stdev=2447.15 lat (usec): min=4, max=14513, avg=2219.74, stdev=2447.21 clat percentiles (usec): | 1.00th=[ 5], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 12], | 30.00th=[ 14], 40.00th=[ 515], 50.00th=[ 1876], 60.00th=[ 2671], | 70.00th=[ 3228], 80.00th=[ 3949], 90.00th=[ 5276], 95.00th=[ 6325], | 99.00th=[10814], 99.50th=[12125], 99.90th=[14484], 99.95th=[14484], | 99.99th=[14484] bw ( KiB/s): min= 728, max= 1285, per=25.41%, avg=996.33, stdev=279.06, samples=3 iops : min= 182, max= 321, avg=249.00, stdev=69.63, samples=3 write: IOPS=247, BW=989KiB/s (1013kB/s)(1508KiB/1525msec) clat (usec): min=83, max=51557, avg=1705.28, stdev=3236.70 lat (usec): min=84, max=51558, avg=1706.19, stdev=3236.75 clat percentiles (usec): | 1.00th=[ 94], 5.00th=[ 127], 10.00th=[ 137], 20.00th=[ 151], | 30.00th=[ 167], 40.00th=[ 190], 50.00th=[ 758], 60.00th=[ 1401], | 70.00th=[ 1893], 80.00th=[ 2966], 90.00th=[ 4359], 95.00th=[ 5538], | 99.00th=[ 8717], 99.50th=[11469], 99.90th=[51643], 99.95th=[51643], | 99.99th=[51643] bw ( KiB/s): min= 824, max= 1053, per=22.60%, avg=932.33, stdev=115.00, samples=3 iops : min= 206, max= 263, avg=233.00, stdev=28.62, samples=3 lat (usec) : 10=7.81%, 20=11.07%, 50=0.91%, 100=0.52%, 250=22.14% lat (usec) : 500=1.43%, 750=1.17%, 1000=1.69% lat (msec) : 2=14.71%, 4=22.53%, 10=15.23%, 20=0.65%, 100=0.13% cpu : usr=0.59%, sys=12.27%, ctx=838, majf=0, minf=34 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23272: Thu Aug 1 17:48:57 2024 read: IOPS=246, BW=988KiB/s (1011kB/s)(1508KiB/1527msec) clat (usec): min=3, max=20114, avg=2421.19, stdev=2646.31 lat (usec): min=3, max=20114, avg=2421.85, stdev=2646.31 clat percentiles (usec): | 1.00th=[ 6], 5.00th=[ 8], 10.00th=[ 9], 20.00th=[ 12], | 30.00th=[ 15], 40.00th=[ 1254], 50.00th=[ 2278], 60.00th=[ 2966], | 70.00th=[ 3621], 80.00th=[ 4228], 90.00th=[ 5211], 95.00th=[ 6128], | 99.00th=[11338], 99.50th=[19006], 99.90th=[20055], 99.95th=[20055], | 99.99th=[20055] bw ( KiB/s): min= 808, max= 1101, per=24.19%, avg=948.33, stdev=146.89, samples=3 iops : min= 202, max= 275, avg=237.00, stdev=36.59, samples=3 write: IOPS=256, BW=1024KiB/s (1049kB/s)(1564KiB/1527msec) clat (usec): min=90, max=11604, avg=1544.21, stdev=1962.72 lat (usec): min=91, max=11605, avg=1545.73, stdev=1962.60 clat percentiles (usec): | 1.00th=[ 99], 5.00th=[ 127], 10.00th=[ 139], 20.00th=[ 151], | 30.00th=[ 172], 40.00th=[ 215], 50.00th=[ 482], 60.00th=[ 1319], | 70.00th=[ 1762], 80.00th=[ 2835], 90.00th=[ 4424], 95.00th=[ 5866], | 99.00th=[ 7701], 99.50th=[ 9503], 99.90th=[11600], 99.95th=[11600], | 99.99th=[11600] bw ( KiB/s): min= 864, max= 1173, per=23.89%, avg=985.67, stdev=164.63, samples=3 iops : min= 216, max= 293, avg=246.33, stdev=41.02, samples=3 lat (usec) : 4=0.26%, 10=6.90%, 20=10.55%, 50=0.39%, 100=1.04% lat (usec) : 250=22.14%, 500=3.12%, 750=1.30%, 1000=0.91% lat (msec) : 2=13.80%, 4=20.31%, 10=18.62%, 20=0.52%, 50=0.13% cpu : usr=0.52%, sys=12.98%, ctx=847, majf=0, minf=34 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=3921KiB/s (4016kB/s), 974KiB/s-1026KiB/s (998kB/s-1050kB/s), io=5988KiB (6132kB), run=1474-1527msec WRITE: bw=4126KiB/s (4225kB/s), 989KiB/s-1110KiB/s (1013kB/s-1137kB/s), io=6300KiB (6451kB), run=1474-1527msec rand-rw: (groupid=0, jobs=1): err= 0: pid=23273: Thu Aug 1 17:48:58 2024 read: IOPS=158, BW=634KiB/s (650kB/s)(1480KiB/2333msec) clat (usec): min=623, max=40053, avg=2283.57, stdev=2995.58 lat (usec): min=624, max=40054, avg=2284.25, stdev=2995.61 clat percentiles (usec): | 1.00th=[ 676], 5.00th=[ 725], 10.00th=[ 783], 20.00th=[ 848], | 30.00th=[ 938], 40.00th=[ 1037], 50.00th=[ 1205], 60.00th=[ 1532], | 70.00th=[ 1975], 80.00th=[ 2802], 90.00th=[ 5538], 95.00th=[ 7111], | 99.00th=[12125], 99.50th=[12780], 99.90th=[40109], 99.95th=[40109], | 99.99th=[40109] bw ( KiB/s): min= 336, max= 1000, per=21.35%, avg=547.75, stdev=305.95, samples=4 iops : min= 84, max= 250, avg=136.75, stdev=76.56, samples=4 write: IOPS=170, BW=682KiB/s (699kB/s)(1592KiB/2333msec) clat (usec): min=1167, max=14338, avg=3716.42, stdev=2570.37 lat (usec): min=1167, max=14339, avg=3717.43, stdev=2570.46 clat percentiles (usec): | 1.00th=[ 1254], 5.00th=[ 1532], 10.00th=[ 1745], 20.00th=[ 1942], | 30.00th=[ 2114], 40.00th=[ 2278], 50.00th=[ 2540], 60.00th=[ 2999], | 70.00th=[ 3884], 80.00th=[ 5735], 90.00th=[ 7308], 95.00th=[ 9503], | 99.00th=[12780], 99.50th=[13698], 99.90th=[14353], 99.95th=[14353], | 99.99th=[14353] bw ( KiB/s): min= 320, max= 1184, per=21.62%, avg=583.75, stdev=402.74, samples=4 iops : min= 80, max= 296, avg=145.75, stdev=100.78, samples=4 lat (usec) : 750=3.39%, 1000=14.45% lat (msec) : 2=28.26%, 4=31.25%, 10=19.92%, 20=2.60%, 50=0.13% cpu : usr=0.60%, sys=4.67%, ctx=840, majf=0, minf=35 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=370,398,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23274: Thu Aug 1 17:48:58 2024 read: IOPS=155, BW=622KiB/s (637kB/s)(1436KiB/2310msec) clat (usec): min=575, max=40350, avg=2204.95, stdev=2893.97 lat (usec): min=575, max=40351, avg=2205.64, stdev=2894.03 clat percentiles (usec): | 1.00th=[ 693], 5.00th=[ 742], 10.00th=[ 783], 20.00th=[ 865], | 30.00th=[ 922], 40.00th=[ 1004], 50.00th=[ 1221], 60.00th=[ 1467], | 70.00th=[ 2008], 80.00th=[ 2802], 90.00th=[ 4883], 95.00th=[ 7242], | 99.00th=[10814], 99.50th=[12125], 99.90th=[40109], 99.95th=[40109], | 99.99th=[40109] bw ( KiB/s): min= 359, max= 1160, per=22.04%, avg=565.50, stdev=396.49, samples=4 iops : min= 89, max= 290, avg=141.00, stdev=99.37, samples=4 write: IOPS=177, BW=708KiB/s (725kB/s)(1636KiB/2310msec) clat (usec): min=1165, max=14790, avg=3693.59, stdev=2355.86 lat (usec): min=1166, max=14791, avg=3694.51, stdev=2355.93 clat percentiles (usec): | 1.00th=[ 1336], 5.00th=[ 1647], 10.00th=[ 1795], 20.00th=[ 1975], | 30.00th=[ 2180], 40.00th=[ 2343], 50.00th=[ 2704], 60.00th=[ 3326], | 70.00th=[ 4178], 80.00th=[ 5145], 90.00th=[ 7177], 95.00th=[ 8979], | 99.00th=[11338], 99.50th=[11600], 99.90th=[14746], 99.95th=[14746], | 99.99th=[14746] bw ( KiB/s): min= 391, max= 1120, per=22.57%, avg=609.50, stdev=342.12, samples=4 iops : min= 97, max= 280, avg=152.00, stdev=85.80, samples=4 lat (usec) : 750=2.86%, 1000=15.49% lat (msec) : 2=25.26%, 4=32.16%, 10=21.74%, 20=2.34%, 50=0.13% cpu : usr=0.26%, sys=4.94%, ctx=852, majf=0, minf=33 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=359,409,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23275: Thu Aug 1 17:48:58 2024 read: IOPS=172, BW=688KiB/s (705kB/s)(1564KiB/2273msec) clat (usec): min=669, max=12077, avg=2126.39, stdev=2163.72 lat (usec): min=670, max=12077, avg=2127.22, stdev=2163.70 clat percentiles (usec): | 1.00th=[ 693], 5.00th=[ 750], 10.00th=[ 791], 20.00th=[ 873], | 30.00th=[ 938], 40.00th=[ 1037], 50.00th=[ 1237], 60.00th=[ 1450], | 70.00th=[ 1811], 80.00th=[ 2704], 90.00th=[ 5407], 95.00th=[ 7046], | 99.00th=[10814], 99.50th=[11731], 99.90th=[12125], 99.95th=[12125], | 99.99th=[12125] bw ( KiB/s): min= 352, max= 1128, per=23.15%, avg=594.00, stdev=359.81, samples=4 iops : min= 88, max= 282, avg=148.50, stdev=89.95, samples=4 write: IOPS=165, BW=663KiB/s (679kB/s)(1508KiB/2273msec) clat (usec): min=1043, max=37961, avg=3800.70, stdev=3112.80 lat (usec): min=1043, max=37961, avg=3801.56, stdev=3112.89 clat percentiles (usec): | 1.00th=[ 1270], 5.00th=[ 1647], 10.00th=[ 1795], 20.00th=[ 2040], | 30.00th=[ 2147], 40.00th=[ 2311], 50.00th=[ 2573], 60.00th=[ 2966], | 70.00th=[ 3949], 80.00th=[ 5473], 90.00th=[ 7242], 95.00th=[ 9634], | 99.00th=[13173], 99.50th=[14091], 99.90th=[38011], 99.95th=[38011], | 99.99th=[38011] bw ( KiB/s): min= 368, max= 1152, per=22.00%, avg=594.00, stdev=373.20, samples=4 iops : min= 92, max= 288, avg=148.50, stdev=93.30, samples=4 lat (usec) : 750=2.73%, 1000=16.67% lat (msec) : 2=26.95%, 4=32.16%, 10=18.88%, 20=2.47%, 50=0.13% cpu : usr=0.62%, sys=4.97%, ctx=831, majf=0, minf=35 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=391,377,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 rand-rw: (groupid=0, jobs=1): err= 0: pid=23276: Thu Aug 1 17:48:58 2024 read: IOPS=164, BW=657KiB/s (672kB/s)(1508KiB/2297msec) clat (usec): min=569, max=12884, avg=2009.18, stdev=1959.17 lat (usec): min=569, max=12885, avg=2009.91, stdev=1959.21 clat percentiles (usec): | 1.00th=[ 627], 5.00th=[ 709], 10.00th=[ 750], 20.00th=[ 848], | 30.00th=[ 914], 40.00th=[ 1004], 50.00th=[ 1172], 60.00th=[ 1434], | 70.00th=[ 1827], 80.00th=[ 2671], 90.00th=[ 4752], 95.00th=[ 6587], | 99.00th=[ 9765], 99.50th=[10814], 99.90th=[12911], 99.95th=[12911], | 99.99th=[12911] bw ( KiB/s): min= 312, max= 1000, per=21.82%, avg=560.00, stdev=302.03, samples=4 iops : min= 78, max= 250, avg=140.00, stdev=75.51, samples=4 write: IOPS=170, BW=681KiB/s (697kB/s)(1564KiB/2297msec) clat (usec): min=1122, max=39173, avg=3912.59, stdev=3144.74 lat (usec): min=1122, max=39174, avg=3913.48, stdev=3144.82 clat percentiles (usec): | 1.00th=[ 1237], 5.00th=[ 1516], 10.00th=[ 1778], 20.00th=[ 2024], | 30.00th=[ 2212], 40.00th=[ 2376], 50.00th=[ 2704], 60.00th=[ 3261], | 70.00th=[ 4228], 80.00th=[ 5800], 90.00th=[ 7439], 95.00th=[ 9241], | 99.00th=[13566], 99.50th=[15270], 99.90th=[39060], 99.95th=[39060], | 99.99th=[39060] bw ( KiB/s): min= 368, max= 1200, per=22.37%, avg=604.00, stdev=398.42, samples=4 iops : min= 92, max= 300, avg=151.00, stdev=99.61, samples=4 lat (usec) : 750=4.95%, 1000=14.45% lat (msec) : 2=25.91%, 4=32.29%, 10=20.18%, 20=2.08%, 50=0.13% cpu : usr=0.00%, sys=5.40%, ctx=835, majf=0, minf=33 IO depths : 1=100.0%, 2=0.0%, 4=0.0%, 8=0.0%, 16=0.0%, 32=0.0%, >=64=0.0% submit : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% complete : 0=0.0%, 4=100.0%, 8=0.0%, 16=0.0%, 32=0.0%, 64=0.0%, >=64=0.0% issued rwts: total=377,391,0,0 short=0,0,0,0 dropped=0,0,0,0 latency : target=0, window=0, percentile=100.00%, depth=16 Run status group 0 (all jobs): READ: bw=2567KiB/s (2628kB/s), 622KiB/s-688KiB/s (637kB/s-705kB/s), io=5988KiB (6132kB), run=2273-2333msec WRITE: bw=2700KiB/s (2765kB/s), 663KiB/s-708KiB/s (679kB/s-725kB/s), io=6300KiB (6451kB), run=2273-2333msec