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2026-04-30 - 16:00
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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 Thu Apr 30, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
378652921030,2sleep30-21swapper/309:55:373
36622872280,2sleep0171ktimers/008:25:000
3565457992516,4cyclictest0-21swapper/109:45:381
3565456992522,2cyclictest3803985-21unin-run10:10:010
3565457992421,2cyclictest1326-21systemd-logind12:30:001
39520012230,2sleep30-21swapper/311:45:363
383433398230,5rtkit-daemon3851704-21mta-sts-daemon12:21:381
37587952230,2sleep13758726-21ssh09:40:001
3565458992320,2cyclictest0-21swapper/208:10:022
3565457992316,6cyclictest1-21systemd09:20:011
3565456992320,2cyclictest3571795-21missed_timers07:15:010
3565456992320,2cyclictest3571795-21missed_timers07:15:010
3565456992320,2cyclictest1290-21dbus-daemon09:15:000
356545899221,4cyclictest0-21swapper/208:50:012
3565457992219,2cyclictest3781472-21systemd09:55:011
3565457992219,2cyclictest1290-21dbus-daemon12:05:001
3565456992219,2cyclictest3952751-21ntpd10:14:130
3565456992219,2cyclictest3729023-21grep09:20:020
3565456992212,5cyclictest0-21swapper/011:55:020
38730952210,2sleep30-21swapper/310:55:023
3565458992118,1cyclictest0-21swapper/210:44:322
3565458992113,6cyclictest0-21swapper/209:39:552
3565458992113,1cyclictest0-21swapper/211:10:002
3565457992114,3cyclictest3799796-21kthreadcore10:05:521
3565456992113,1cyclictest3993836-21ssh12:15:250
3565456992110,6cyclictest0-21swapper/010:55:020
2649191210,1ptp4l0-21swapper/310:25:303
37368952200,2sleep20-21swapper/209:25:302
3565458992017,1cyclictest0-21swapper/211:45:002
3565458992014,4cyclictest0-21swapper/212:35:012
3565458992013,3cyclictest0-21swapper/210:40:012
356545799201,7cyclictest3606043-21apt-get07:40:291
3565457992013,3cyclictest3732226-21kthreadcore09:20:431
3565457992013,3cyclictest0-21swapper/111:50:021
3565457992011,3cyclictest0-21swapper/112:10:291
356545699209,6cyclictest0-21swapper/010:55:290
3565456992017,2cyclictest3694368-21idleruntime-cro08:55:000
3565456992017,2cyclictest1290-21dbus-daemon08:00:010
3565456992010,6cyclictest3934557-21irqcore11:35:350
3565456992010,2cyclictest4001688-21ssh12:20:260
383433398190,3rtkit-daemon3851704-21mta-sts-daemon08:44:500
3565458991917,1cyclictest0-21swapper/212:00:022
3565458991916,1cyclictest0-21swapper/209:35:002
3565458991915,2cyclictest0-21swapper/212:20:402
3565458991912,1cyclictest0-21swapper/210:20:012
3565458991911,1cyclictest0-21swapper/207:45:002
356545899190,5cyclictest0-21swapper/211:20:012
3565457991916,2cyclictest3721424-21latency_hist09:15:021
3565457991913,2cyclictest17350irq/127-ahci[0000:00:17.0]10:25:001
3565456991915,3cyclictest1-21systemd11:20:000
3565456991911,3cyclictest3565454-21cyclictest10:40:280
2649091190,2phc2sys0-21swapper/310:23:573
3565458991816,1cyclictest0-21swapper/210:57:462
3565458991815,1cyclictest0-21swapper/212:15:322
3565458991815,1cyclictest0-21swapper/210:45:362
356545799188,3cyclictest501rcuop/212:33:061
356545799188,3cyclictest501rcuop/211:42:361
356545799185,4cyclictest3851705-21mta-sts-daemon09:26:171
3565457991815,2cyclictest3985905-21cut12:10:001
3565457991815,2cyclictest3880722-21gmain08:45:001
3565457991815,2cyclictest3674811-21idleruntime-cro08:35:011
3565457991815,2cyclictest3624507-21systemd07:55:001
3565457991815,2cyclictest3572124-21cpu07:15:021
3565457991815,2cyclictest3572124-21cpu07:15:021
3565457991815,2cyclictest0-21swapper/111:25:031
3565457991813,4cyclictest3834332-21rtkit-daemon09:05:021
3565457991811,3cyclictest0-21swapper/110:30:011
356545699188,6cyclictest3925683-21idleruntime-cro11:30:000
356545699184,8cyclictest3851875-21systemd-journal09:50:020
3565456991815,2cyclictest3851875-21systemd-journal09:30:000
3565456991815,2cyclictest3819919-21sh10:20:010
3565456991815,2cyclictest3730223-21irqcore09:20:410
3565456991815,2cyclictest3586588-21cron07:25:000
3565456991815,2cyclictest1290-21dbus-daemon08:35:010
3565456991815,2cyclictest1-21systemd11:10:020
3565456991815,2cyclictest0-21swapper/008:20:000
3565456991815,2cyclictest0-21swapper/007:35:000
3565456991814,3cyclictest3635726-21cut08:00:360
356545699181,12cyclictest0-21swapper/011:48:520
2649091180,3phc2sys0-21swapper/310:09:343
2649091180,2phc2sys0-21swapper/310:14:553
3565458991715,1cyclictest0-21swapper/212:10:012
3565458991715,1cyclictest0-21swapper/212:05:012
3565458991715,1cyclictest0-21swapper/210:13:472
3565458991715,1cyclictest0-21swapper/209:40:352
3565458991714,1cyclictest0-21swapper/210:20:352
3565458991714,1cyclictest0-21swapper/207:55:002
356545799178,3cyclictest501rcuop/211:08:321
3565457991715,1cyclictest3851704-21mta-sts-daemon11:17:291
3565457991714,2cyclictest3707262-21latency_hist09:05:001
3565457991714,2cyclictest36-21ksoftirqd/110:20:011
3565457991714,2cyclictest0-21swapper/112:40:021
3565457991711,2cyclictest134050irq/121-eno111:55:321
356545699179,4cyclictest3991275-21latency12:10:380
356545699178,5cyclictest0-21swapper/007:15:340
3565456991715,1cyclictest0-21swapper/010:40:000
3565456991714,2cyclictest3984414-21unixbench_multi12:05:410
3565456991714,2cyclictest3624719-21/usr/sbin/munin07:55:000
3565456991714,2cyclictest0-21swapper/012:40:010
3565456991714,2cyclictest0-21swapper/010:35:010
3565456991713,3cyclictest3827558-21kworker/u16:0+nfsiod10:45:550
3565456991712,3cyclictest3880722-21gmain08:50:020
356545699171,12cyclictest0-21swapper/011:14:340
2649091170,2phc2sys0-21swapper/310:45:333
3565458991613,1cyclictest0-21swapper/211:25:412
3565458991613,1cyclictest0-21swapper/210:30:382
3565458991613,1cyclictest0-21swapper/209:20:432
3565458991613,1cyclictest0-21swapper/208:36:542
3565458991612,2cyclictest0-21swapper/210:50:342
356545799168,3cyclictest3587025-21aten2.4-expect07:25:291
356545799168,3cyclictest3587025-21aten2.4-expect07:25:291
356545799168,3cyclictest0-21swapper/111:32:011
356545799167,3cyclictest501rcuop/211:12:451
356545799166,3cyclictest501rcuop/210:34:571
356545799161,9cyclictest3850654-21apt-get10:40:281
3565457991613,2cyclictest3923587-21needreboot11:25:371
3565457991613,2cyclictest3878602-21ssh10:55:411
3565457991613,2cyclictest3863852-21grep10:45:421
3565457991613,2cyclictest3848384-21grep10:35:411
3565457991613,2cyclictest3787561-21runrttasks09:56:101
3565457991613,2cyclictest3751422-21latency_hist09:35:011
3565457991613,2cyclictest3565454-21cyclictest10:50:361
3565457991613,2cyclictest1290-21dbus-daemon08:36:531
356545699168,2cyclictest3911026-21apt-get11:20:260
356545699166,5cyclictest0-21swapper/012:30:300
356545699165,4cyclictest3851702-21mta-sts-daemon12:28:240
3565456991613,2cyclictest3947922-21diskmemload11:44:000
3565456991613,2cyclictest3827654-21latency_hist10:25:020
3565456991613,2cyclictest3774979-21gltestperf09:50:320
3565456991612,3cyclictest3796432-21kworker/u16:3+nfsiod11:55:480
3565456991612,3cyclictest3736392-21kworker/u16:0+nfsiod10:01:050
2649091161,3phc2sys0-21swapper/308:10:263
2649091160,2phc2sys0-21swapper/312:04:053
2649091160,2phc2sys0-21swapper/310:03:043
2649091160,2phc2sys0-21swapper/309:42:123
2649091160,2phc2sys0-21swapper/309:30:363
2649091160,1phc2sys0-21swapper/312:26:223
356545899151,5cyclictest0-21swapper/209:10:012
3565458991513,1cyclictest0-21swapper/211:35:402
3565458991513,1cyclictest0-21swapper/211:14:262
3565458991513,1cyclictest0-21swapper/208:30:022
3565458991512,2cyclictest0-21swapper/211:45:432
3565458991512,1cyclictest0-21swapper/212:25:272
3565458991512,1cyclictest0-21swapper/212:15:002
3565458991512,1cyclictest0-21swapper/211:54:552
3565458991512,1cyclictest0-21swapper/210:25:342
3565458991512,1cyclictest0-21swapper/209:11:152
3565458991512,1cyclictest0-21swapper/208:05:012
3565458991512,1cyclictest0-21swapper/207:55:392
3565458991512,1cyclictest0-21swapper/207:35:392
3565458991511,2cyclictest0-21swapper/209:00:342
3565458991511,2cyclictest0-21swapper/207:20:022
356545799158,6cyclictest3851705-21mta-sts-daemon10:00:151
356545799156,3cyclictest501rcuop/209:40:581
3565457991512,2cyclictest3957596-21kthreadcore11:50:361
3565457991512,2cyclictest3851703-21mta-sts-daemon11:35:301
3565457991512,2cyclictest3851702-21mta-sts-daemon12:17:061
3565457991512,2cyclictest3600079-21cstates07:35:291
3565457991512,2cyclictest17050irq/16-i801_smbus10:13:471
3565457991511,3cyclictest3667817-21mailstats08:25:391
3565457991511,3cyclictest3565454-21cyclictest07:30:351
356545699157,7cyclictest0-21swapper/011:30:280
356545699155,6cyclictest3788212-21runrttasks09:58:180
356545699155,5cyclictest0-21swapper/011:00:300
356545699154,6cyclictest0-21swapper/010:25:560
3565456991512,2cyclictest3851705-21mta-sts-daemon12:01:180
3565456991512,2cyclictest3745245-21irqcore09:30:360
3565456991512,2cyclictest3713422-21diskmemload09:40:370
2649091150,4phc2sys0-21swapper/310:35:273
2649091150,4phc2sys0-21swapper/308:55:363
2649091150,2phc2sys0-21swapper/312:14:103
37586932140,2sleep30-21swapper/309:39:553
356545899144,4cyclictest0-21swapper/207:10:362
356545899144,4cyclictest0-21swapper/207:10:362
356545899141,9cyclictest0-21swapper/211:30:272
356545899141,7cyclictest0-21swapper/208:10:272
3565458991412,1cyclictest0-21swapper/212:37:402
3565458991412,1cyclictest0-21swapper/209:45:312
3565458991412,1cyclictest0-21swapper/208:45:022
3565458991412,1cyclictest0-21swapper/207:50:002
3565458991412,1cyclictest0-21swapper/207:20:022
3565458991411,1cyclictest0-21swapper/211:00:252
3565458991411,1cyclictest0-21swapper/210:06:362
3565458991411,1cyclictest0-21swapper/209:55:332
3565458991411,1cyclictest0-21swapper/209:51:352
3565458991411,1cyclictest0-21swapper/209:15:052
3565458991411,1cyclictest0-21swapper/209:00:012
3565458991411,1cyclictest0-21swapper/207:30:362
3565458991410,2cyclictest0-21swapper/208:17:172
356545799148,1cyclictest601rcuop/311:01:031
356545799146,3cyclictest501rcuop/207:58:301
356545799145,3cyclictest501rcuop/208:50:441
356545799145,3cyclictest501rcuop/208:11:331
3565457991411,2cyclictest3638259-21gltestperf08:05:321
3565457991411,2cyclictest3636525-21mailstats08:00:401
3565457991411,2cyclictest3585629-21grep07:20:371
3565457991411,2cyclictest3565454-21cyclictest07:45:341
3565457991410,3cyclictest3700005-21switchtime08:55:381
3565457991410,3cyclictest3690029-21kthreadcore08:45:361
3565457991410,1cyclictest501rcuop/207:15:051
356545699147,2cyclictest0-21swapper/008:25:280
3565456991412,1cyclictest3565454-21cyclictest09:35:300
3565456991411,2cyclictest3834332-21rtkit-daemon08:59:460
3565456991411,2cyclictest3711563-21kthreadcore09:05:360
3565456991411,2cyclictest3675245-21aten_repower_po08:35:290
3565456991411,2cyclictest3646695-21kthreadcore08:10:340
3565456991411,2cyclictest3638890-21kthreadcore08:05:350
3565456991411,2cyclictest3589846-21kthreadcore07:25:370
3565456991411,2cyclictest3589846-21kthreadcore07:25:370
3565456991411,2cyclictest1290-21dbus-daemon07:50:010
3565456991410,3cyclictest3706245-21switchtime09:00:410
3565456991410,3cyclictest3609574-21kthreadcore07:40:360
2649091145,2phc2sys0-21swapper/309:49:093
2649091141,2phc2sys0-21swapper/309:05:283
2649091140,2phc2sys0-21swapper/312:37:003
2649091140,2phc2sys0-21swapper/312:34:213
2649091140,2phc2sys0-21swapper/310:43:343
2649091140,2phc2sys0-21swapper/308:50:183
2649091140,2phc2sys0-21swapper/307:56:483
356545899139,2cyclictest0-21swapper/210:00:232
356545899138,3cyclictest0-21swapper/207:25:412
356545899138,3cyclictest0-21swapper/207:25:412
3565458991311,1cyclictest0-21swapper/208:30:342
3565457991310,2cyclictest3658970-21kthreadcore08:20:371
3565457991310,2cyclictest3655112-21proc_pri08:15:381
3565456991310,2cyclictest3851705-21mta-sts-daemon07:35:310
2649091134,2phc2sys0-21swapper/312:05:503
2649091130,2phc2sys0-21swapper/309:20:253
2649091130,2phc2sys0-21swapper/307:18:203
2649091130,1phc2sys0-21swapper/309:00:033
383433398120,3rtkit-daemon3851704-21mta-sts-daemon07:07:221
356545899129,1cyclictest0-21swapper/208:20:372
3565458991210,1cyclictest0-21swapper/211:20:032
2649091120,2phc2sys0-21swapper/311:43:173
2649091120,2phc2sys0-21swapper/311:30:393
2649091120,2phc2sys0-21swapper/307:52:143
2649091120,1phc2sys0-21swapper/311:39:443
2649091120,1phc2sys0-21swapper/309:25:523
2649091120,1phc2sys0-21swapper/307:43:093
356545899119,1cyclictest0-21swapper/208:50:452
356545899118,1cyclictest0-21swapper/207:10:012
356545699114,5cyclictest3565629-21sh07:10:020
2649091112,2phc2sys0-21swapper/308:50:013
2649091111,2phc2sys0-21swapper/311:08:263
2649091110,2phc2sys0-21swapper/312:23:533
2649091110,2phc2sys0-21swapper/308:25:013
2649091110,2phc2sys0-21swapper/307:20:123
2649091110,1phc2sys0-21swapper/308:01:163
2649091110,1phc2sys0-21swapper/307:29:273
2649091110,1phc2sys0-21swapper/307:29:273
2649091105,2phc2sys0-21swapper/309:15:353
2649091102,2phc2sys0-21swapper/310:59:083
2649091101,2phc2sys0-21swapper/310:16:073
2649091100,3phc2sys0-21swapper/307:35:323
2649091100,2phc2sys0-21swapper/312:17:003
2649091100,2phc2sys0-21swapper/311:55:403
2649091100,2phc2sys0-21swapper/311:25:013
2649091100,2phc2sys0-21swapper/311:15:193
2649091100,2phc2sys0-21swapper/311:10:303
2649091100,2phc2sys0-21swapper/311:01:093
2649091100,2phc2sys0-21swapper/310:31:353
2649091100,2phc2sys0-21swapper/309:14:233
2649091100,2phc2sys0-21swapper/308:35:193
264909190,4phc2sys0-21swapper/307:30:293
264909190,2phc2sys0-21swapper/311:51:483
264909190,2phc2sys0-21swapper/311:25:173
264909190,2phc2sys0-21swapper/309:50:173
264909190,2phc2sys0-21swapper/308:40:323
264909190,2phc2sys0-21swapper/308:25:333
264909190,2phc2sys0-21swapper/308:15:313
264909190,2phc2sys0-21swapper/308:05:413
264909190,2phc2sys0-21swapper/307:45:313
264909190,2phc2sys0-21swapper/307:10:153
264909190,2phc2sys0-21swapper/307:10:153
264909190,1phc2sys0-21swapper/307:09:253
264909180,2phc2sys0-21swapper/308:30:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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