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2026-05-01 - 21:53
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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 Fri May 01, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
171466021310,3sleep30-21swapper/312:15:003
17411532690,1sleep10-21swapper/112:30:341
13239622570,1sleep11323963-21expr07:40:271
1283281993835,2cyclictest1692201-21munin-run12:00:001
16353412290,1sleep00-21swapper/011:20:340
1283284992718,7cyclictest0-21swapper/210:00:012
1283284992718,7cyclictest0-21swapper/210:00:012
1283280992616,6cyclictest1732688-21kthreadcore12:25:340
1283280992219,2cyclictest1601701-21cron11:00:000
1283280992219,2cyclictest1443412-21apt-key09:15:000
1283280992212,6cyclictest0-21swapper/010:15:330
12967502210,3sleep30-21swapper/307:15:363
1283281992118,2cyclictest3824565-21in:imuxsock10:55:001
1283281992118,2cyclictest1684273-21sh11:55:011
1283281992115,2cyclictest134050irq/121-eno110:40:331
1283281992112,1cyclictest191rcu_preempt10:35:261
1283280992118,2cyclictest1290-21dbus-daemon10:00:020
1283280992118,2cyclictest1290-21dbus-daemon10:00:020
1283280992110,7cyclictest0-21swapper/011:35:320
1283284992018,1cyclictest0-21swapper/211:00:022
1283284992017,1cyclictest0-21swapper/211:15:002
1283281992012,3cyclictest0-21swapper/109:40:011
128328099209,6cyclictest0-21swapper/010:05:270
1283280992013,2cyclictest1311140-21/usr/sbin/munin07:30:290
1283280992012,7cyclictest0-21swapper/009:25:020
2649191190,1ptp4l0-21swapper/308:00:373
26490911910,2phc2sys0-21swapper/310:51:453
2649091190,2phc2sys0-21swapper/309:10:483
1283284991916,1cyclictest0-21swapper/212:05:002
1283281991916,2cyclictest1443889-21systemd09:15:021
1283281991916,2cyclictest1296-21polkitd08:30:001
1283281991916,2cyclictest1289999-21sh07:15:011
128328199190,4cyclictest1465649-21ssh09:28:311
128328099199,5cyclictest0-21swapper/012:30:350
1283280991916,2cyclictest1696948-21kthreadcore12:00:340
1283280991916,2cyclictest1298408-21sh07:20:000
1283280991915,3cyclictest1290-21dbus-daemon07:50:000
1283280991913,5cyclictest1630039-21switchtime11:15:400
1283280991911,4cyclictest1486095-21kthreadcore09:40:350
2649091180,2phc2sys0-21swapper/309:33:313
1283284991816,1cyclictest0-21swapper/211:20:022
1283284991815,2cyclictest0-21swapper/212:40:022
1283284991815,1cyclictest0-21swapper/211:10:012
1283284991815,1cyclictest0-21swapper/208:00:002
1283284991814,1cyclictest0-21swapper/209:43:162
1283281991815,2cyclictest3824565-21in:imuxsock11:20:011
1283281991815,2cyclictest1661881-21sh11:40:011
1283281991815,2cyclictest1559203-21kthreadcore10:30:321
1283281991815,2cyclictest1426-21gdbus12:15:001
1283281991815,2cyclictest1404642-21awk08:45:001
1283281991815,2cyclictest1354877-21cut08:05:021
1283281991815,2cyclictest1283390-21apt-key07:10:011
1283281991811,3cyclictest1513206-21kthreadcore10:00:331
1283281991811,3cyclictest1513206-21kthreadcore10:00:331
128328099188,6cyclictest1676713-21cron11:50:000
128328099188,1cyclictest1647139-21ssh11:30:230
128328099187,6cyclictest0-21swapper/010:00:330
128328099187,6cyclictest0-21swapper/010:00:330
128328099187,6cyclictest0-21swapper/009:35:010
1283280991816,1cyclictest1556544-21/usr/sbin/munin10:30:010
1283280991815,2cyclictest1723348-21sed12:20:310
1283280991815,2cyclictest1373619-21systemd-run08:20:020
1283280991814,3cyclictest1067724-21kworker/u16:0+nfsiod09:45:290
128328099181,2cyclictest0-21swapper/009:19:430
128328099181,13cyclictest0-21swapper/011:43:380
1283280991810,7cyclictest0-21swapper/010:45:010
1283280991810,4cyclictest3834332-21rtkit-daemon10:11:460
2649091171,1phc2sys0-21swapper/311:13:453
2649091170,3phc2sys0-21swapper/309:43:143
2649091170,3phc2sys0-21swapper/307:40:023
2649091170,2phc2sys0-21swapper/312:18:103
2649091170,2phc2sys0-21swapper/311:43:033
2649091170,2phc2sys0-21swapper/309:15:333
2649091170,1phc2sys0-21swapper/310:04:023
2649091170,1phc2sys0-21swapper/310:04:023
1283284991714,1cyclictest0-21swapper/210:30:012
1283284991714,1cyclictest0-21swapper/210:19:542
1283284991714,1cyclictest0-21swapper/208:30:002
128328199179,3cyclictest0-21swapper/109:18:061
128328199178,4cyclictest0-21swapper/111:20:361
128328199178,4cyclictest0-21swapper/110:25:011
128328199178,2cyclictest501rcuop/212:25:551
1283281991714,2cyclictest3827634-1atopacctd10:30:011
1283281991714,2cyclictest1283273-21cyclictest12:20:321
1283281991714,2cyclictest0-21swapper/112:05:011
128328099178,4cyclictest1707160-21basename12:10:000
1283280991714,2cyclictest3840937-21lldpd08:40:000
1283280991714,2cyclictest1685450-21cstates11:55:280
1283280991714,2cyclictest1684561-21apt-key11:55:010
1283280991714,2cyclictest1617778-21cut11:10:290
1283280991714,2cyclictest1459791-21tail09:25:290
1283280991714,2cyclictest1410973-21latency_hist08:50:000
1283280991714,2cyclictest1404781-21systemd-run08:45:010
2649091161,4phc2sys0-21swapper/312:30:253
2649091160,3phc2sys0-21swapper/310:59:593
2649091160,2phc2sys0-21swapper/312:25:153
2649091160,1phc2sys0-21swapper/311:39:553
1283284991614,1cyclictest0-21swapper/208:15:022
1283284991613,1cyclictest0-21swapper/212:35:012
1283284991613,1cyclictest0-21swapper/212:00:002
1283284991613,1cyclictest0-21swapper/211:50:272
1283284991613,1cyclictest0-21swapper/210:35:312
1283284991613,1cyclictest0-21swapper/210:25:012
1283284991613,1cyclictest0-21swapper/209:32:152
1283284991613,1cyclictest0-21swapper/209:15:012
1283284991613,1cyclictest0-21swapper/208:40:002
1283284991613,1cyclictest0-21swapper/207:50:002
1283284991613,1cyclictest0-21swapper/207:25:352
1283284991612,2cyclictest0-21swapper/209:52:012
128328499160,14cyclictest0-21swapper/212:05:462
128328199168,4cyclictest0-21swapper/109:55:021
1283281991613,2cyclictest1586770-21latency_hist10:50:001
1283281991613,2cyclictest1519530-21cut10:05:281
1283281991613,2cyclictest1481946-21tr09:40:281
1283281991613,2cyclictest1368550-21sed08:15:331
1283281991613,2cyclictest1326-21systemd-logind10:20:021
1283281991613,2cyclictest1290-21dbus-daemon11:10:021
1283281991613,2cyclictest1283273-21cyclictest08:35:381
1283281991613,2cyclictest0-21swapper/109:00:001
1283281991612,3cyclictest3827634-1atopacctd12:40:021
1283281991612,3cyclictest1670407-21cut11:45:311
1283281991610,2cyclictest1607461-21sensors_fan11:00:391
128328099168,7cyclictest1584719-21phc2sys10:45:360
128328099166,4cyclictest1547115-21plymouth10:20:380
128328099165,6cyclictest0-21swapper/012:10:370
128328099165,6cyclictest0-21swapper/011:25:260
1283280991614,1cyclictest3851704-21mta-sts-daemon09:05:000
1283280991613,2cyclictest1565131-21idleruntime10:35:310
1283280991613,2cyclictest0-21swapper/010:35:000
1283280991612,3cyclictest3851875-21systemd-journal08:55:010
1283280991612,3cyclictest1496979-21cstates09:50:270
128328099161,10cyclictest1290631-21cut07:15:020
2649091150,3phc2sys0-21swapper/311:32:243
2649091150,3phc2sys0-21swapper/309:05:283
2649091150,2phc2sys0-21swapper/311:19:063
2649091150,2phc2sys0-21swapper/309:25:343
2649091150,1phc2sys0-21swapper/309:54:203
128328499151,6cyclictest0-21swapper/211:40:272
1283284991513,1cyclictest0-21swapper/211:05:012
1283284991513,1cyclictest0-21swapper/208:20:342
1283284991513,1cyclictest0-21swapper/207:20:012
1283284991512,1cyclictest0-21swapper/212:25:342
1283284991512,1cyclictest0-21swapper/212:10:332
1283284991512,1cyclictest0-21swapper/211:35:372
1283284991512,1cyclictest0-21swapper/210:50:022
1283284991512,1cyclictest0-21swapper/209:10:012
1283284991512,1cyclictest0-21swapper/208:40:072
1283284991512,1cyclictest0-21swapper/208:05:372
128328499150,6cyclictest0-21swapper/207:50:262
128328199159,5cyclictest3851703-21mta-sts-daemon08:45:381
128328199159,5cyclictest3851702-21mta-sts-daemon09:30:341
128328199158,5cyclictest1703734-21tr12:05:351
128328199158,3cyclictest1594730-21tail10:55:261
128328199157,4cyclictest1650363-21kthreadcore11:30:321
1283281991512,2cyclictest1667256-21phc2sys11:40:371
1283281991512,2cyclictest1360930-21systemd-run08:10:011
1283281991512,2cyclictest1283273-21cyclictest07:30:341
1283281991511,3cyclictest3851702-21mta-sts-daemon07:45:341
1283281991511,3cyclictest1364205-21kthreadcore08:10:341
1283281991510,4cyclictest1283273-21cyclictest09:05:351
128328199150,11cyclictest1721005-21ssh12:16:341
128328099155,6cyclictest0-21swapper/012:15:270
128328099155,6cyclictest0-21swapper/009:08:110
128328099154,6cyclictest0-21swapper/008:12:070
1283280991513,1cyclictest1283273-21cyclictest11:05:040
1283280991512,2cyclictest3851703-21mta-sts-daemon08:20:400
1283280991512,2cyclictest1418108-21uniq08:55:290
1283280991512,2cyclictest1320697-21kthreadcore07:35:320
1283280991512,2cyclictest0-21swapper/009:35:020
1283280991511,3cyclictest1289732-21munin-node07:58:090
2649091141,2phc2sys0-21swapper/308:18:343
2649091140,2phc2sys0-21swapper/311:47:083
128328499141,6cyclictest0-21swapper/210:05:272
1283284991412,1cyclictest0-21swapper/210:41:492
1283284991412,1cyclictest0-21swapper/210:00:392
1283284991412,1cyclictest0-21swapper/210:00:382
1283284991411,2cyclictest0-21swapper/210:50:312
1283284991411,1cyclictest0-21swapper/212:20:482
1283284991411,1cyclictest0-21swapper/211:30:282
1283284991411,1cyclictest0-21swapper/209:25:302
1283284991411,1cyclictest0-21swapper/209:19:372
1283284991411,1cyclictest0-21swapper/208:55:002
1283284991411,1cyclictest0-21swapper/207:40:332
1283284991411,1cyclictest0-21swapper/207:10:352
1283284991410,2cyclictest0-21swapper/208:45:322
1283284991410,2cyclictest0-21swapper/208:30:342
128328199147,5cyclictest1621486-21tr11:10:341
128328199144,6cyclictest0-21swapper/108:30:261
1283281991412,1cyclictest1283273-21cyclictest09:00:301
1283281991411,2cyclictest3851704-21mta-sts-daemon10:13:201
1283281991411,2cyclictest3851703-21mta-sts-daemon08:22:271
1283281991411,2cyclictest3851702-21mta-sts-daemon11:25:211
1283281991411,2cyclictest1490464-21grep09:45:341
1283281991411,2cyclictest1304981-21aten2.4-expect07:25:281
1283281991410,3cyclictest1318639-21irqrtprio07:35:311
1283281991410,1cyclictest601rcuop/309:22:331
128328099149,4cyclictest3834332-21rtkit-daemon08:28:420
128328099149,4cyclictest1289732-21munin-node07:54:100
128328099148,5cyclictest1330508-21kworker/u16:2-nfsiod10:50:310
128328099144,5cyclictest1752496-21cat12:40:020
1283280991411,2cyclictest1348705-21acpi08:00:260
1283280991411,2cyclictest1323942-21cpuspeed_turbos07:40:270
1283280991410,3cyclictest1306121-21irqrtprio07:25:330
2649091130,3phc2sys0-21swapper/310:35:263
2649091130,3phc2sys0-21swapper/309:55:253
2649091130,3phc2sys0-21swapper/309:55:253
2649091130,1phc2sys0-21swapper/310:09:553
2649091130,1phc2sys0-21swapper/308:48:563
128328499131,7cyclictest0-21swapper/210:30:252
1283284991311,1cyclictest0-21swapper/211:50:012
1283284991311,1cyclictest0-21swapper/211:30:022
1283284991311,1cyclictest0-21swapper/211:20:342
1283284991311,1cyclictest0-21swapper/210:10:252
1283284991311,1cyclictest0-21swapper/209:20:362
1283284991311,1cyclictest0-21swapper/208:56:062
1283284991311,1cyclictest0-21swapper/208:18:442
1283284991311,1cyclictest0-21swapper/207:20:332
1283284991310,1cyclictest0-21swapper/212:15:312
1283284991310,1cyclictest0-21swapper/209:47:202
1283284991310,1cyclictest0-21swapper/209:35:352
128328199134,1cyclictest13041352tail07:20:381
128328199131,6cyclictest1511602-21cat10:00:011
128328199131,6cyclictest1511602-21cat10:00:011
1283281991310,2cyclictest3851705-21mta-sts-daemon07:55:271
1283281991310,2cyclictest1412628-21kthreadcore08:50:331
1283281991310,2cyclictest1340567-21kthreadcore07:50:341
1283281991310,2cyclictest0-21swapper/107:15:341
1283280991310,2cyclictest1602473-21cpuspeed_turbos11:00:290
1283280991310,2cyclictest1390748-21kthreadcore08:30:340
1283280991310,2cyclictest1355671-21gltestperf08:05:310
1283280991310,2cyclictest1299267-21cut07:20:280
2649091121,1phc2sys0-21swapper/312:07:043
2649091120,3phc2sys0-21swapper/311:04:073
2649091120,2phc2sys0-21swapper/311:20:313
2649091120,2phc2sys0-21swapper/310:18:193
2649091120,1phc2sys0-21swapper/311:52:403
15335052120,4sleep30-21swapper/310:13:483
128328499129,1cyclictest0-21swapper/209:00:342
128328499129,1cyclictest0-21swapper/207:36:452
128328499129,1cyclictest0-21swapper/207:30:342
12770952121,7sleep20-21swapper/207:05:272
2649091111,4phc2sys0-21swapper/309:20:253
2649091111,4phc2sys0-21swapper/308:50:273
2649091111,2phc2sys0-21swapper/312:00:513
2649091111,2phc2sys0-21swapper/307:55:023
2649091110,5phc2sys0-21swapper/310:40:263
2649091110,3phc2sys0-21swapper/307:14:073
2649091110,2phc2sys0-21swapper/312:38:223
2649091110,2phc2sys0-21swapper/310:29:083
2649091110,2phc2sys0-21swapper/308:38:263
2649091110,1phc2sys0-21swapper/309:39:133
2649091110,1phc2sys0-21swapper/308:44:193
2649091110,1phc2sys0-21swapper/308:12:213
128328499119,1cyclictest0-21swapper/208:00:332
128328099114,5cyclictest1-21systemd07:10:010
2649091101,2phc2sys0-21swapper/309:49:073
2649091101,2phc2sys0-21swapper/307:30:293
2649091101,2phc2sys0-21swapper/307:20:343
2649091100,3phc2sys0-21swapper/311:29:563
2649091100,2phc2sys0-21swapper/312:21:273
2649091100,2phc2sys0-21swapper/311:55:263
2649091100,2phc2sys0-21swapper/310:30:253
2649091100,2phc2sys0-21swapper/310:20:273
2649091100,2phc2sys0-21swapper/307:58:533
264909191,2phc2sys0-21swapper/307:25:323
264909191,2phc2sys0-21swapper/307:05:283
264909190,2phc2sys0-21swapper/311:05:243
264909190,2phc2sys0-21swapper/310:45:123
264909190,2phc2sys0-21swapper/309:00:303
264909190,2phc2sys0-21swapper/308:55:333
264909190,2phc2sys0-21swapper/308:30:083
264909190,2phc2sys0-21swapper/308:25:313
264909190,2phc2sys0-21swapper/307:40:273
264909180,3phc2sys0-21swapper/307:45:273
264909180,2phc2sys0-21swapper/308:20:303
264909180,2phc2sys0-21swapper/308:05:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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