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2026-05-25 - 22:15
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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 all highest latencies:
System rackeslot2.osadl.org (updated Mon May 25, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
174972521020,2sleep20-21swapper/212:20:012
16897752730,1sleep20-21swapper/211:40:002
16100102570,1sleep11610009-21ssh10:46:081
16624192340,1sleep01662420-21ptp4l11:20:060
1313586993423,2cyclictest134050irq/121-eno109:40:031
1313586993421,12cyclictest1476375-21systemd-run09:20:011
1313586993319,5cyclictest134050irq/121-eno112:00:011
1313586992920,8cyclictest1290-21dbus-daemon09:45:011
1313590992523,1cyclictest0-21swapper/209:15:022
1313586992510,8cyclictest2845942-21sshd10:58:081
1313581992522,2cyclictest1699828-21latency11:45:000
1313581992515,6cyclictest1462170-21kthreadcore09:10:020
1313586992421,2cyclictest1669876-21open_files11:25:011
1313586992415,8cyclictest1531366-21kthreadcore09:55:001
1313586992415,8cyclictest1431045-21kthreadcore08:45:001
1313586992415,8cyclictest1361105-21kthreadcore07:50:021
1313586992413,10cyclictest1443850-21kthreadcore08:55:011
1313581992413,6cyclictest0-21swapper/009:45:010
1313586992320,2cyclictest1996-21runrttasks12:21:341
1313586992320,2cyclictest1729938-21kthreadcore12:05:011
1313586992320,2cyclictest1689660-21turbostat.cron11:40:001
1313586992316,6cyclictest1562734-21ssh10:15:001
1313586992316,6cyclictest0-21swapper/107:15:021
1313586992315,7cyclictest1468165-21cut09:15:011
1313586992315,6cyclictest0-21swapper/110:05:011
1313586992315,3cyclictest1778618-21cut12:39:551
1313586992314,8cyclictest1585978-21latency_hist10:30:021
1313586992314,8cyclictest1461378-21kthreadcore09:10:001
131358699231,14cyclictest1573421-21apt-get10:24:521
1313590992219,1cyclictest0-21swapper/212:15:002
1313590992219,1cyclictest0-21swapper/211:00:012
131358699228,2cyclictest0-21swapper/111:09:541
1313586992215,6cyclictest1449114-21kthreadcore09:00:001
1313586992214,7cyclictest1374939-21kthreadcore08:00:001
1313586992213,8cyclictest1744347-21kthreadcore12:15:011
1313581992219,2cyclictest1509932-21munin-run09:40:020
1313581992219,2cyclictest1290-21dbus-daemon10:45:020
1313581992211,6cyclictest0-21swapper/012:23:080
17760602210,1sleep00-21swapper/012:35:050
1313590992119,1cyclictest0-21swapper/210:30:012
1313590992119,1cyclictest0-21swapper/209:40:022
1313590992118,1cyclictest0-21swapper/212:40:002
1313590992115,2cyclictest1416822-21turbostat08:35:002
1313586992118,2cyclictest1631491-21kthreadcore11:00:031
1313586992118,2cyclictest1568882-21kthreadcore10:20:021
1313586992115,5cyclictest3824565-21in:imuxsock12:30:021
1313586992114,6cyclictest0-21swapper/110:40:021
1313586992114,6cyclictest0-21swapper/110:35:011
1313586992114,6cyclictest0-21swapper/107:55:001
1313586992113,7cyclictest1404551-21kworker/u16:1-events_unbound09:34:581
1313586992112,8cyclictest1768893-21grep12:30:061
1313586992112,8cyclictest1619635-21tail10:54:561
1313586992111,9cyclictest1418926-21kthreadcore08:35:021
1313581992118,2cyclictest1636306-21sh11:05:010
1313581992118,2cyclictest1537880-21kthreadcore10:00:000
1313581992118,2cyclictest1392492-21kthreadcore08:15:010
383433398200,5rtkit-daemon171ktimers/008:01:480
1313590992017,1cyclictest0-21swapper/210:20:002
1313590992017,1cyclictest0-21swapper/210:10:002
1313590992017,1cyclictest0-21swapper/208:15:022
131358699209,10cyclictest1400830-21kthreadcore08:19:591
1313586992016,3cyclictest2840498-21systemd-journal09:04:551
1313586992014,5cyclictest1675917-21kthreadcore11:30:001
1313586992013,6cyclictest1404739-21kthreadcore08:25:011
1313586992013,6cyclictest0-21swapper/112:10:021
1313586992011,8cyclictest1608516-21kthreadcore10:45:011
1313586992010,4cyclictest0-21swapper/111:14:521
131358199208,6cyclictest0-21swapper/009:19:540
1313581992017,2cyclictest1521717-21latency_hist09:50:020
1313581992017,2cyclictest1417619-21systemd-run08:35:010
1313581992013,6cyclictest0-21swapper/010:40:010
1313581992011,5cyclictest1745894-21timerwakeupswit12:15:070
1313581992010,5cyclictest0-21swapper/011:50:010
2649091190,2phc2sys0-21swapper/311:00:583
131359099199,4cyclictest0-21swapper/207:40:012
131359099194,8cyclictest0-21swapper/210:40:012
1313590991917,1cyclictest0-21swapper/212:25:012
1313590991916,1cyclictest0-21swapper/211:50:012
1313590991916,1cyclictest0-21swapper/209:00:012
1313590991916,1cyclictest0-21swapper/207:35:002
1313590991913,2cyclictest0-21swapper/212:10:022
131358699199,9cyclictest1654880-21timerandwakeup11:15:061
131358699199,9cyclictest1424363-21kthreadcore08:40:001
1313586991916,2cyclictest1337299-21kthreadcore07:30:011
1313586991911,7cyclictest1714604-21kthreadcore11:55:011
1313586991911,7cyclictest0-21swapper/107:45:001
1313586991910,8cyclictest1520880-21grep09:49:591
1313586991910,8cyclictest1343740-21kthreadcore07:35:001
1313586991910,8cyclictest1328166-21sh07:24:561
131358199199,5cyclictest0-21swapper/010:15:010
1313581991917,1cyclictest0-21swapper/011:20:020
1313581991916,2cyclictest1675457-21dump-pmu-power11:30:000
1313581991916,2cyclictest1442487-21kthreadcore08:55:000
1313581991916,2cyclictest1314209-21systemd07:10:010
1313581991916,2cyclictest0-21swapper/009:15:010
1313581991911,4cyclictest1409150-21tail08:29:530
131358199190,4cyclictest1566839-21irqcore10:19:590
2649091180,2phc2sys0-21swapper/310:40:063
1313590991816,1cyclictest0-21swapper/209:05:012
1313590991816,1cyclictest0-21swapper/208:50:022
1313590991816,1cyclictest0-21swapper/208:30:012
1313590991816,1cyclictest0-21swapper/207:45:022
1313590991816,1cyclictest0-21swapper/207:20:012
1313590991815,1cyclictest0-21swapper/212:00:002
1313590991815,1cyclictest0-21swapper/211:09:562
1313590991815,1cyclictest0-21swapper/210:49:582
1313590991815,1cyclictest0-21swapper/210:45:002
1313590991815,1cyclictest0-21swapper/209:50:022
1313590991815,1cyclictest0-21swapper/208:44:562
1313590991814,2cyclictest16168852sleep210:50:052
131358699189,8cyclictest1380296-21kthreadcore08:05:001
131358699189,2cyclictest3880722-21gmain08:15:011
131358699188,4cyclictest3851705-21mta-sts-daemon10:09:291
131358699187,2cyclictest1313753-21kthreadcore07:10:001
131358699185,3cyclictest1490579-21if_enp1s0.809:29:561
131358699185,3cyclictest0-21swapper/111:34:531
1313586991817,1cyclictest0-21swapper/108:28:001
131358699181,5cyclictest0-21swapper/111:45:501
1313586991815,2cyclictest1435161-21latency_hist08:50:001
1313586991814,3cyclictest1322598-21kthreadcore07:20:001
1313586991811,6cyclictest3851703-21mta-sts-daemon12:18:281
1313586991811,6cyclictest0-21swapper/109:25:021
1313586991811,6cyclictest0-21swapper/109:25:021
1313586991810,7cyclictest1698706-21kthreadcore11:44:591
1313581991815,2cyclictest3827634-1atopacctd07:45:000
1313581991815,2cyclictest1773768-21systemctl12:35:020
1313581991815,2cyclictest1720477-21tr12:00:000
1313581991815,2cyclictest1552930-21kthreadcore10:10:000
1313581991815,2cyclictest1494601-21grep09:30:010
1313581991815,2cyclictest1405871-21kthreadcore08:25:020
1313581991815,2cyclictest1328571-21sh07:25:000
1313581991815,2cyclictest1290-21dbus-daemon12:15:000
1313581991815,2cyclictest1290-21dbus-daemon09:05:000
1313581991815,2cyclictest0-21swapper/010:25:020
1313581991815,2cyclictest0-21swapper/008:20:000
1313581991812,5cyclictest0-21swapper/007:20:000
2649091170,2phc2sys0-21swapper/311:50:013
2649091170,2phc2sys0-21swapper/309:22:343
2649091170,2phc2sys0-21swapper/309:22:343
131359099172,8cyclictest0-21swapper/209:19:542
1313590991715,1cyclictest0-21swapper/212:30:012
1313590991715,1cyclictest0-21swapper/211:45:002
1313590991715,1cyclictest0-21swapper/210:00:012
1313590991715,1cyclictest0-21swapper/208:20:002
1313590991715,1cyclictest0-21swapper/208:10:022
1313590991714,1cyclictest0-21swapper/211:29:552
1313590991714,1cyclictest0-21swapper/211:20:002
1313590991714,1cyclictest0-21swapper/211:15:022
1313590991714,1cyclictest0-21swapper/210:34:552
1313590991714,1cyclictest0-21swapper/208:25:012
1313590991713,2cyclictest0-21swapper/209:25:012
1313590991713,2cyclictest0-21swapper/209:25:012
131358699178,4cyclictest3851702-21mta-sts-daemon08:06:531
1313586991714,2cyclictest1350856-21kthreadcore07:40:011
1313586991710,6cyclictest1533161-21pmu-power09:55:041
131358199176,6cyclictest0-21swapper/011:14:090
1313581991715,1cyclictest1360248-21kernelversion07:50:010
1313581991715,1cyclictest1313569-21cyclictest07:15:000
1313581991715,1cyclictest0-21swapper/011:00:000
1313581991714,2cyclictest1767355-21cron12:30:000
1313581991714,2cyclictest1683893-21basename11:35:000
1313581991714,2cyclictest1436233-21latency_hist08:50:010
1313581991714,2cyclictest1387056-21latency_hist08:10:020
1313581991714,2cyclictest1376300-21load08:00:030
1313581991714,2cyclictest0-21swapper/007:40:000
2649091160,2phc2sys0-21swapper/312:13:543
2649091160,2phc2sys0-21swapper/311:27:353
2649091160,2phc2sys0-21swapper/310:55:093
2649091160,1phc2sys0-21swapper/308:35:413
1313590991614,1cyclictest0-21swapper/210:25:012
1313590991614,1cyclictest0-21swapper/209:45:002
1313590991614,1cyclictest0-21swapper/208:00:002
1313590991613,1cyclictest0-21swapper/212:35:022
1313590991613,1cyclictest0-21swapper/211:50:072
1313590991613,1cyclictest0-21swapper/211:20:482
1313590991613,1cyclictest0-21swapper/209:29:592
1313590991613,1cyclictest0-21swapper/207:15:002
131358199169,4cyclictest3851704-21mta-sts-daemon09:53:130
131358199169,3cyclictest0-21swapper/010:50:000
1313581991613,2cyclictest1690635-21kthreadcore11:40:010
1313581991613,2cyclictest1584945-21kthreadcore10:30:010
1313581991613,2cyclictest1431719-21kthreadcore08:45:000
1313581991613,2cyclictest1334189-21cpuspeed_turbos07:29:550
1313581991610,5cyclictest0-21swapper/009:34:520
131358199160,8cyclictest1709909-21updatedb.plocat11:54:520
131358199160,3cyclictest1447180-21fschecks_count08:59:560
383433398150,3rtkit-daemon3851698-21mta-sts-daemon08:37:520
2649091150,2phc2sys0-21swapper/311:20:473
2649091150,1phc2sys0-21swapper/310:29:273
131359099151,4cyclictest0-21swapper/207:30:012
1313590991513,1cyclictest0-21swapper/210:10:052
1313590991513,1cyclictest0-21swapper/209:50:072
1313590991513,1cyclictest0-21swapper/209:10:012
1313590991513,1cyclictest0-21swapper/207:50:012
1313590991513,1cyclictest0-21swapper/207:25:022
1313590991512,1cyclictest0-21swapper/211:34:532
1313590991512,1cyclictest0-21swapper/209:34:532
131358199158,4cyclictest3851703-21mta-sts-daemon12:03:550
131358199156,5cyclictest1616861-21ssh10:50:060
1313581991512,2cyclictest1637122-21kthreadcore11:05:030
1313581991512,2cyclictest1344638-21kthreadcore07:35:010
1313581991512,2cyclictest1-21systemd10:00:100
2649091141,6phc2sys0-21swapper/312:34:533
2649091140,4phc2sys0-21swapper/310:45:243
2649091140,2phc2sys0-21swapper/312:04:203
2649091140,2phc2sys0-21swapper/310:11:333
2649091140,2phc2sys0-21swapper/309:05:023
2649091140,1phc2sys0-21swapper/310:04:553
2649091140,1phc2sys0-21swapper/307:12:253
16967772142,2sleep30-21swapper/311:44:593
131359099146,3cyclictest0-21swapper/208:54:522
1313590991412,1cyclictest0-21swapper/212:00:062
1313590991412,1cyclictest0-21swapper/211:05:012
1313590991412,1cyclictest0-21swapper/210:05:012
1313590991411,1cyclictest0-21swapper/208:35:062
1313581991411,2cyclictest3851703-21mta-sts-daemon12:06:580
1313581991411,2cyclictest1586953-21grep10:30:090
1313581991411,2cyclictest1480011-21pmu-power09:20:060
1313581991411,2cyclictest1480011-21pmu-power09:20:060
1313581991411,2cyclictest1364295-21sendmail_mailqu07:50:060
2649091134,4phc2sys0-21swapper/310:20:053
2649091130,3phc2sys0-21swapper/307:09:523
2649091130,2phc2sys0-21swapper/310:51:003
2649091130,2phc2sys0-21swapper/310:39:553
2649091130,2phc2sys0-21swapper/309:10:243
2649091130,1phc2sys0-21swapper/308:02:463
1313590991311,1cyclictest0-21swapper/207:54:532
1313590991311,1cyclictest0-21swapper/207:10:012
1313590991310,1cyclictest0-21swapper/208:01:022
2649091122,8phc2sys0-21swapper/312:24:583
2649091121,4phc2sys0-21swapper/312:29:523
2649091120,5phc2sys0-21swapper/311:19:413
2649091120,3phc2sys0-21swapper/308:13:103
2649091120,2phc2sys0-21swapper/311:32:223
2649091120,1phc2sys0-21swapper/307:45:463
2649091111,2phc2sys0-21swapper/308:29:523
2649091110,2phc2sys0-21swapper/310:30:563
2649091110,2phc2sys0-21swapper/310:19:543
2649091110,2phc2sys0-21swapper/309:29:513
2649091110,2phc2sys0-21swapper/308:54:553
2649091110,2phc2sys0-21swapper/308:44:463
2649091110,1phc2sys0-21swapper/310:08:543
2649091110,1phc2sys0-21swapper/309:50:163
2649091110,1phc2sys0-21swapper/308:22:233
2649091110,1phc2sys0-21swapper/307:30:293
2649091110,1phc2sys0-21swapper/307:24:193
2649091110,1phc2sys0-21swapper/307:15:373
2649091103,3phc2sys0-21swapper/310:00:003
2649091101,2phc2sys0-21swapper/311:54:463
2649091101,2phc2sys0-21swapper/311:36:583
2649091101,2phc2sys0-21swapper/309:35:573
2649091101,2phc2sys0-21swapper/308:19:573
2649091100,3phc2sys0-21swapper/309:16:573
2649091100,2phc2sys0-21swapper/312:17:223
2649091100,2phc2sys0-21swapper/312:10:013
2649091100,2phc2sys0-21swapper/311:55:543
2649091100,2phc2sys0-21swapper/311:14:303
2649091100,2phc2sys0-21swapper/309:49:593
2649091100,2phc2sys0-21swapper/309:40:053
2649091100,2phc2sys0-21swapper/309:30:433
2649091100,2phc2sys0-21swapper/308:59:533
2649091100,2phc2sys0-21swapper/308:34:563
2649091100,2phc2sys0-21swapper/308:09:593
2649091100,2phc2sys0-21swapper/307:50:083
2649091100,2phc2sys0-21swapper/307:44:563
2649091100,1phc2sys0-21swapper/309:06:163
2649091100,1phc2sys0-21swapper/307:29:443
264909191,2phc2sys0-21swapper/312:35:433
264909191,2phc2sys0-21swapper/311:06:513
264909190,3phc2sys0-21swapper/307:40:013
264909190,2phc2sys0-21swapper/308:45:033
264909190,2phc2sys0-21swapper/307:58:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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