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2026-06-27 - 19:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Sat Jun 27, 2026 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13699812960,2sleep20-21swapper/208:25:022
15848752460,1sleep11584879-21wc10:55:061
1279263993229,2cyclictest1699832-21systemd12:15:020
1279263992917,10cyclictest1462012-21systemd09:35:020
1279263992712,5cyclictest0-21swapper/011:10:010
1279263992710,5cyclictest0-21swapper/009:38:180
1279269992624,1cyclictest0-21swapper/211:20:052
1279263992617,8cyclictest1491831-21irqcore09:55:020
1279263992614,2cyclictest1655003-21sh11:45:020
1279263992516,2cyclictest1247-21mta-sts-daemon10:35:010
1279263992514,2cyclictest1369752-21gltestperf08:25:010
1279265992421,2cyclictest660-21dbus-daemon10:40:021
1279265992421,2cyclictest1-21systemd07:15:011
1279263992421,2cyclictest1692308-21grep12:10:020
1279263992414,2cyclictest1419300-21latency_hist09:05:030
1279263992414,2cyclictest1340094-21kthreadcore08:00:030
1279265992320,2cyclictest1580845-21if_enp1s0.810:55:021
1279263992320,2cyclictest1363131-21http08:20:000
3153791221,2phc2sys0-21swapper/310:04:563
1279265992219,2cyclictest1424401-21ssh09:10:011
1279265992219,2cyclictest1406773-21irqrtprio08:55:021
1279263992219,2cyclictest1595341-21grep11:05:010
1279263992219,2cyclictest1513972-21latency_hist10:10:020
1279263992211,4cyclictest1588836-21kthreadcore11:00:040
492398210,2rtkit-daemon0-21swapper/108:41:311
1279269992119,1cyclictest0-21swapper/209:55:012
1279269992118,1cyclictest0-21swapper/207:40:022
1279269992117,2cyclictest0-21swapper/207:15:022
1279265992119,1cyclictest1499848-21uname10:00:031
1279265992118,2cyclictest1356980-21gltestperf08:15:001
1279265992118,2cyclictest1344978-21apt-config08:05:021
1279265992118,2cyclictest1308183-21if_eno107:35:021
1279265992117,2cyclictest0-21swapper/112:35:021
1279263992118,2cyclictest698-21in:imuxsock09:50:000
1279263992110,6cyclictest0-21swapper/011:20:020
127926399210,19cyclictest1475765-21/usr/sbin/munin09:45:000
1279269992018,1cyclictest0-21swapper/212:35:012
1279269992018,1cyclictest0-21swapper/212:20:022
1279269992018,1cyclictest0-21swapper/208:50:012
1279269992018,1cyclictest0-21swapper/207:50:012
1279265992015,3cyclictest274-21systemd-journal08:49:551
1279265992014,2cyclictest492398rtkit-daemon10:21:241
1279265992011,4cyclictest1649108-21kthreadcore11:40:041
127926399209,6cyclictest0-21swapper/012:04:570
127926399207,7cyclictest0-21swapper/009:59:560
1279263992017,2cyclictest1376019-21head08:30:020
127926399200,15cyclictest1669414-21df_inode11:54:590
1279269991917,1cyclictest0-21swapper/210:00:032
1279269991916,1cyclictest0-21swapper/212:35:182
1279269991916,1cyclictest0-21swapper/210:10:012
1279269991913,2cyclictest0-21swapper/209:38:412
1279265991916,2cyclictest1665107-21kthreadcore11:50:031
1279265991916,2cyclictest1622682-21grep11:20:121
1279265991916,2cyclictest1469745-21sh09:40:021
1279265991916,2cyclictest1439590-21hddtemp_smartct09:20:021
1279263991916,2cyclictest1728422-21/usr/sbin/munin12:35:090
1279263991916,2cyclictest1677386-21if_enp1s012:00:010
1279263991916,2cyclictest1573700-21irqcore10:50:030
1279263991911,7cyclictest0-21swapper/012:20:010
127926399190,3cyclictest1645332-21ssh11:36:320
3153791180,2phc2sys0-21swapper/312:10:493
1279269991816,1cyclictest0-21swapper/210:30:032
1279269991816,1cyclictest0-21swapper/209:50:022
1279269991816,1cyclictest0-21swapper/209:30:042
1279269991815,1cyclictest0-21swapper/210:20:012
1279269991815,1cyclictest0-21swapper/209:25:012
1279269991815,1cyclictest0-21swapper/208:20:002
1279269991815,1cyclictest0-21swapper/208:05:022
127926599189,4cyclictest0-21swapper/112:09:561
1279265991815,2cyclictest1719369-21unixbench_multi12:25:111
1279265991815,2cyclictest1647896-21irqrtprio11:40:031
1279265991815,2cyclictest1632098-21tr11:30:001
1279265991815,2cyclictest1544114-21irqcore10:30:011
1279265991815,2cyclictest1484354-21if_enp1s0.809:50:021
1279265991815,2cyclictest1387880-21grep08:40:011
1279265991815,2cyclictest1363871-21irqcore08:20:021
1279265991815,2cyclictest1279258-21cyclictest10:03:121
1279265991814,3cyclictest1490852-21ssh09:54:581
127926399187,6cyclictest0-21swapper/012:24:580
1279263991815,2cyclictest746991-1atop12:30:010
1279263991815,2cyclictest1558495-21cron10:40:010
1279263991815,2cyclictest1450189-21kthreadcore09:25:060
1279263991815,2cyclictest1400006-21systemd-run08:50:010
1279263991815,2cyclictest1290140-21irqrtprio07:20:020
1279263991814,2cyclictest1632796-21latency_hist11:30:020
1279263991814,2cyclictest0-21swapper/008:05:020
1279263991812,5cyclictest1636919-21cut11:30:080
1279263991812,5cyclictest1560197-21kthreadcore10:40:040
3153791171,2phc2sys0-21swapper/310:44:433
3153791170,2phc2sys0-21swapper/312:00:473
3153791170,2phc2sys0-21swapper/310:21:183
16180342170,2sleep11618033-21ssh11:20:031
1279269991715,1cyclictest0-21swapper/211:55:022
1279269991715,1cyclictest0-21swapper/211:50:032
1279269991715,1cyclictest0-21swapper/211:40:022
1279269991714,1cyclictest0-21swapper/211:20:002
1279269991714,1cyclictest0-21swapper/209:45:012
1279269991714,1cyclictest0-21swapper/209:00:012
1279269991714,1cyclictest0-21swapper/208:45:012
1279269991714,1cyclictest0-21swapper/208:30:012
1279265991714,2cyclictest1432107-21if_err_eno109:15:011
1279265991714,2cyclictest1418859-21cut09:05:021
1279265991714,2cyclictest1351323-21cut08:10:021
1279265991714,2cyclictest0-21swapper/112:25:001
1279265991714,2cyclictest0-21swapper/108:25:011
1279265991713,3cyclictest1489548-21kworker/u16:2+nfsiod10:12:391
1279265991713,3cyclictest1327717-21latency_hist07:50:031
1279265991713,3cyclictest1246-21mta-sts-daemon08:55:081
1279265991711,5cyclictest1733130-21kthreadcore12:35:061
1279265991711,2cyclictest1596039-21irqcore11:05:031
1279265991710,3cyclictest1288703-21tail07:19:571
127926399179,4cyclictest1522224-21kthreadcore10:15:030
127926399178,3cyclictest808-21hwrng07:45:330
127926399177,5cyclictest0-21swapper/010:10:090
127926399177,5cyclictest0-21swapper/009:15:080
1279263991714,2cyclictest671-21polkitd08:15:000
1279263991714,2cyclictest1580714-21cut10:55:010
1279263991714,2cyclictest1296431-21irqrtprio07:25:020
1279263991714,2cyclictest1279258-21cyclictest07:25:040
1279263991714,2cyclictest0-21swapper/007:40:010
1279263991713,2cyclictest660-21dbus-daemon12:35:020
1279263991711,5cyclictest1246-21mta-sts-daemon11:49:330
492398160,2rtkit-daemon0-21swapper/107:29:161
3153791161,2phc2sys0-21swapper/308:24:563
3153791160,5phc2sys0-21swapper/311:14:553
3153791160,3phc2sys0-21swapper/309:30:253
3153791160,2phc2sys0-21swapper/309:25:123
3153791160,1phc2sys0-21swapper/310:17:143
1279269991614,1cyclictest0-21swapper/212:25:032
1279269991614,1cyclictest0-21swapper/211:32:042
1279269991614,1cyclictest0-21swapper/210:25:012
1279269991614,1cyclictest0-21swapper/210:10:252
1279269991614,1cyclictest0-21swapper/208:40:012
1279269991614,1cyclictest0-21swapper/208:00:022
1279269991614,1cyclictest0-21swapper/207:55:032
1279269991614,1cyclictest0-21swapper/207:25:022
1279269991614,1cyclictest0-21swapper/207:10:012
1279269991613,2cyclictest0-21swapper/208:05:042
1279269991613,1cyclictest0-21swapper/212:10:102
1279269991613,1cyclictest0-21swapper/212:10:022
1279269991613,1cyclictest0-21swapper/212:05:012
1279269991613,1cyclictest0-21swapper/208:35:012
1279269991613,1cyclictest0-21swapper/207:45:012
1279269991612,2cyclictest0-21swapper/211:06:492
1279269991610,3cyclictest0-21swapper/207:29:562
1279269991610,2cyclictest0-21swapper/209:19:572
1279265991613,2cyclictest1454875-21latency_hist09:30:021
1279265991613,2cyclictest1320022-21fschecks_time07:44:591
1279265991613,2cyclictest0-21swapper/111:35:011
1279265991612,3cyclictest1514024-21kworker/u16:1+nfsiod10:45:151
127926399167,5cyclictest1331748-21aten2.4-expect07:54:580
1279263991613,2cyclictest660-21dbus-daemon08:40:020
1279263991613,2cyclictest1503471-21needreboot10:00:070
1279263991613,2cyclictest1439906-21irqcore09:20:030
3153791150,4phc2sys0-21swapper/310:58:293
3153791150,3phc2sys0-21swapper/311:18:213
3153791150,2phc2sys0-21swapper/310:08:423
3153791150,2phc2sys0-21swapper/309:54:483
1279269991513,1cyclictest0-21swapper/212:25:012
1279269991513,1cyclictest0-21swapper/211:45:012
1279269991513,1cyclictest0-21swapper/210:45:022
1279269991513,1cyclictest0-21swapper/210:05:022
1279269991513,1cyclictest0-21swapper/209:35:022
1279269991512,1cyclictest0-21swapper/210:55:092
1279265991512,2cyclictest4922-21rtkit-daemon10:05:391
1279265991512,2cyclictest1677829-21irqcore12:00:031
1279265991512,2cyclictest1332329-21gltestperf07:55:011
1279265991512,2cyclictest1314468-21sed07:40:021
1279265991512,2cyclictest1247-21mta-sts-daemon12:10:581
1279265991512,2cyclictest1237-21mta-sts-daemon10:18:001
1279265991512,2cyclictest0-21swapper/112:20:021
1279265991511,3cyclictest1545871-21kthreadcore10:30:031
1279265991511,3cyclictest1333179-21kernelversion07:55:031
1279265991510,4cyclictest1242-21mta-sts-daemon09:34:011
1279263991512,2cyclictest698-21in:imuxsock07:14:430
1279263991512,2cyclictest1604495-21kthreadcore11:10:040
1279263991512,2cyclictest1542943-21aten2.4-expect10:29:560
1279263991512,2cyclictest1394043-21fschecks_time08:45:010
1279263991512,2cyclictest1279258-21cyclictest08:55:000
1279263991511,1cyclictest1285714-21munin-node08:58:550
127926399150,11cyclictest1430871-21ssh09:14:040
3153791140,3phc2sys0-21swapper/307:29:563
3153791140,2phc2sys0-21swapper/311:28:583
3153791140,2phc2sys0-21swapper/311:24:343
3153791140,2phc2sys0-21swapper/310:14:013
127926999141,6cyclictest0-21swapper/210:50:012
1279269991412,1cyclictest0-21swapper/211:28:072
1279269991412,1cyclictest0-21swapper/211:15:022
1279269991412,1cyclictest0-21swapper/210:30:302
1279269991412,1cyclictest0-21swapper/209:10:062
1279269991412,1cyclictest0-21swapper/207:20:022
1279269991411,1cyclictest0-21swapper/210:50:052
1279269991411,1cyclictest0-21swapper/208:10:042
1279269991410,2cyclictest0-21swapper/211:01:462
127926599143,3cyclictest0-21swapper/109:40:041
127926599142,3cyclictest1237-21mta-sts-daemon07:22:081
1279265991412,1cyclictest1237-21mta-sts-daemon11:53:591
1279265991411,2cyclictest1681168-21kthreadcore12:00:051
1279265991411,2cyclictest1441863-21kthreadcore09:20:051
1279265991411,2cyclictest1247-21mta-sts-daemon08:34:591
1279265991411,2cyclictest1242-21mta-sts-daemon11:10:291
1279265991411,2cyclictest0-21swapper/111:00:041
1279265991411,2cyclictest0-21swapper/110:44:591
127926399148,5cyclictest1247-21mta-sts-daemon09:05:060
127926399146,6cyclictest1350201-21apt-get08:09:570
1279263991411,2cyclictest1619950-21kthreadcore11:20:060
1279263991411,2cyclictest1317107-21kthreadcore07:40:040
1279263991411,2cyclictest1308329-21if_err_enp1s0.807:35:030
1279263991411,2cyclictest1246-21mta-sts-daemon10:22:450
3153791133,2phc2sys0-21swapper/309:12:183
3153791130,2phc2sys0-21swapper/312:38:573
3153791130,2phc2sys0-21swapper/312:20:223
3153791130,2phc2sys0-21swapper/311:57:463
3153791130,2phc2sys0-21swapper/311:53:133
3153791130,2phc2sys0-21swapper/311:09:243
3153791130,2phc2sys0-21swapper/310:48:293
3153791130,2phc2sys0-21swapper/309:55:543
3153791130,2phc2sys0-21swapper/308:31:243
1279269991311,1cyclictest0-21swapper/211:58:092
1279269991311,1cyclictest0-21swapper/210:35:052
1279269991311,1cyclictest0-21swapper/209:00:042
1279269991311,1cyclictest0-21swapper/208:50:042
1279269991310,2cyclictest0-21swapper/209:08:222
1279269991310,1cyclictest0-21swapper/207:35:022
1279265991310,2cyclictest1370245-21irqcore08:25:031
127926399138,4cyclictest1381516-21tr08:35:000
3153791121,2phc2sys0-21swapper/311:30:053
3153791120,2phc2sys0-21swapper/312:34:013
3153791120,2phc2sys0-21swapper/309:46:443
3153791120,2phc2sys0-21swapper/309:24:033
3153791120,2phc2sys0-21swapper/308:04:563
3153791120,2phc2sys0-21swapper/307:41:553
3153791120,2phc2sys0-21swapper/307:14:563
3153791120,1phc2sys0-21swapper/309:02:113
3153791120,1phc2sys0-21swapper/307:36:253
127926399120,4cyclictest1278566-21/usr/sbin/munin07:10:010
3153791112,2phc2sys0-21swapper/309:42:433
3153791110,3phc2sys0-21swapper/311:39:563
3153791110,3phc2sys0-21swapper/308:54:563
3153791110,2phc2sys0-21swapper/310:27:323
3153791110,2phc2sys0-21swapper/308:59:063
3153791110,2phc2sys0-21swapper/308:09:573
3153791110,1phc2sys0-21swapper/309:09:573
3153791110,1phc2sys0-21swapper/308:17:513
3153791110,1phc2sys0-21swapper/307:49:563
127926599118,2cyclictest0-21swapper/107:10:021
3153791101,2phc2sys0-21swapper/310:35:093
3153791101,2phc2sys0-21swapper/309:16:463
3153791100,2phc2sys0-21swapper/312:15:063
3153791100,2phc2sys0-21swapper/312:05:083
3153791100,2phc2sys0-21swapper/311:44:163
3153791100,2phc2sys0-21swapper/311:00:383
3153791100,2phc2sys0-21swapper/310:31:003
3153791100,2phc2sys0-21swapper/308:45:043
3153791100,2phc2sys0-21swapper/308:40:113
3153791100,2phc2sys0-21swapper/308:30:013
3153791100,2phc2sys0-21swapper/307:55:523
3153791100,2phc2sys0-21swapper/307:54:563
315379191,2phc2sys0-21swapper/312:25:113
315379191,2phc2sys0-21swapper/310:50:043
315379190,2phc2sys0-21swapper/311:45:043
315379190,2phc2sys0-21swapper/309:35:103
315379190,2phc2sys0-21swapper/308:35:023
315379190,2phc2sys0-21swapper/307:30:103
315379190,2phc2sys0-21swapper/307:21:293
315379190,2phc2sys0-21swapper/307:09:593
1288545291,2sleep30-21swapper/307:19:563
315379180,2phc2sys0-21swapper/308:10:053
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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