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2026-06-22 - 10:59
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot8.osadl.org (updated Mon Jun 22, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4160242320,1sleep10-21swapper/119:25:261
388719992724,1cyclictest0-21swapper/323:05:173
388719992724,1cyclictest0-21swapper/321:40:083
388719992623,1cyclictest0-21swapper/319:15:273
388719992523,1cyclictest0-21swapper/300:35:003
388719992523,0cyclictest0-21swapper/323:40:003
388719992320,1cyclictest0-21swapper/323:35:003
38871999223,14cyclictest486774-21taskset20:23:133
388719992219,1cyclictest0-21swapper/323:20:123
388719992219,1cyclictest0-21swapper/319:30:013
38871999221,17cyclictest472177-21taskset20:10:193
388719992118,1cyclictest0-21swapper/322:58:403
388719992118,1cyclictest0-21swapper/321:40:003
388719992118,1cyclictest0-21swapper/320:05:143
38871999211,15cyclictest394895-21taskset19:12:423
388719992017,1cyclictest0-21swapper/323:25:143
388719992017,1cyclictest0-21swapper/322:00:253
388719992017,1cyclictest0-21swapper/321:50:173
388719992017,1cyclictest0-21swapper/320:00:123
38871999201,15cyclictest698533-21turbostat22:50:003
38871999201,14cyclictest837366-21turbostat00:20:003
38871999200,16cyclictest775826-21taskset23:40:073
38871999200,10cyclictest666906-21taskset22:28:063
38871999199,1cyclictest0-21swapper/321:08:133
38871999198,1cyclictest0-21swapper/321:00:113
38871999198,1cyclictest0-21swapper/300:25:193
38871999197,1cyclictest0-21swapper/319:52:433
388719991917,1cyclictest0-21swapper/300:00:183
388719991916,1cyclictest0-21swapper/322:30:273
388719991916,1cyclictest0-21swapper/322:20:123
388719991916,1cyclictest0-21swapper/320:40:093
38871999191,15cyclictest6752992sleep322:35:013
38871999191,14cyclictest744618-21taskset23:19:463
38871999191,14cyclictest642411-21chrt22:10:223
38871999191,14cyclictest642411-21chrt22:10:223
38871999191,14cyclictest567323-21taskset21:23:553
38871999191,14cyclictest452897-21taskset19:55:193
38871999191,14cyclictest429563-21taskset19:40:043
38871999191,14cyclictest419931-21taskset19:30:183
38871999191,13cyclictest798751-21turbostat23:55:003
38871999191,13cyclictest736897-21taskset23:14:413
38871999191,13cyclictest689621-21chrt22:41:293
38871999191,13cyclictest598655-21chrt21:45:123
388719991910,6cyclictest0-21swapper/300:24:293
388719991910,0cyclictest0-21swapper/319:21:123
38871999189,1cyclictest0-21swapper/323:57:483
38871999189,1cyclictest0-21swapper/320:38:243
38871999189,1cyclictest0-21swapper/320:33:103
388719991815,1cyclictest0-21swapper/322:55:013
388719991815,1cyclictest0-21swapper/322:20:013
388719991815,1cyclictest0-21swapper/320:55:133
38871999181,13cyclictest866900-21taskset00:36:123
38871999181,13cyclictest814880-21taskset00:05:173
38871999181,13cyclictest635875-21taskset22:07:173
38871999181,13cyclictest620518-21taskset21:57:273
38871999181,13cyclictest575611-21taskset21:30:093
38871999181,13cyclictest558716-21taskset21:16:303
38871999181,13cyclictest442077-21turbostat19:50:003
388719991810,1cyclictest0-21swapper/321:12:083
38871999172,11cyclictest524429-21taskset20:50:243
388719991713,2cyclictest0-21swapper/320:25:203
38871999171,13cyclictest824238-21taskset00:10:183
38871999171,13cyclictest720167-21taskset23:00:383
38871999171,13cyclictest567991-21taskset21:25:043
38871999171,13cyclictest518569-21taskset20:45:513
38871999170,12cyclictest474442-21chrt20:15:123
4873702161,5sleep1487415-21/usr/sbin/munin20:25:171
38871999161,11cyclictest789515-21taskset23:45:323
8439512153,4sleep00-21swapper/000:21:390
388719991513,1cyclictest0-21swapper/319:35:203
8362592140,6sleep1836265-21ssh00:16:471
8663442131,9sleep0866545-21cat00:35:260
8583342131,9sleep1858373-21ssh00:30:221
7357032130,10sleep1735707-21ssh23:10:591
7205042131,4sleep1720510-21ssh23:01:411
51806921310,1sleep20-21swapper/220:45:222
4684772130,10sleep0469378-21irqrtprio20:10:170
4604182131,8sleep0460462-21ntpq20:00:220
7043832121,8sleep20-21swapper/222:50:272
6598722120,9sleep1659947-21sort22:25:011
5739402121,8sleep2222-21plymouthd21:25:402
4460222120,9sleep0447384-21load19:50:200
8067142111,8sleep00-21swapper/000:00:060
7655852110,4sleep2765729-21awk23:30:212
7370102111,7sleep2737265-21latency_hist23:15:012
6601942112,5sleep0222-21plymouthd22:25:120
6368042110,2sleep0222-21plymouthd22:10:000
6039232110,8sleep1603966-21ntp_states21:45:231
5920342110,8sleep1592957-21cut21:40:181
5680032110,8sleep1568007-21ssh21:25:111
5513882111,3sleep1222-21plymouthd21:12:361
4613572111,7sleep1461374-21latency_hist20:05:001
8527702101,6sleep0852786-21latency_hist00:30:010
7987252100,3sleep0798975-21latency_hist23:55:010
7910102101,6sleep1791028-21latency_hist23:50:001
7660432101,2sleep00-21swapper/023:30:270
7600142100,1sleep10-21swapper/123:29:401
6915432101,6sleep0692168-21irqrtprio22:45:160
6734652100,7sleep2673599-21sed22:30:272
6547072100,8sleep0656355-21cut22:20:180
6511012100,3sleep0651107-21ssh22:16:500
6087232101,2sleep10-21swapper/121:50:201
5756642102,4sleep2575659-21apt-get21:30:132
5694242100,7sleep0569457-21kthreadcore21:25:180
5499082100,7sleep2544916-21/usr/sbin/munin21:10:202
5324052101,5sleep0532955-21/usr/sbin/munin21:00:160
4487982101,5sleep00-21swapper/019:55:130
4220532100,7sleep1422177-21python319:30:251
3825712101,4sleep30-21swapper/319:05:133
3825352101,4sleep20-21swapper/219:05:122
858374290,6sleep20-21swapper/200:30:232
836844290,2sleep2222-21plymouthd00:18:362
820783291,5sleep1820790-21sshd-session00:06:561
782670290,2sleep2222-21plymouthd23:43:042
752042295,2sleep1331ktimers/123:23:421
630370291,5sleep20-21swapper/222:05:172
628966290,2sleep0222-21plymouthd22:04:390
627231290,6sleep1627361-21sed22:00:271
620958290,2sleep0222-21plymouthd21:58:450
606344290,2sleep0222-21plymouthd21:50:110
580995291,5sleep1581031-21ntpq21:30:241
566826292,4sleep2505931-21kworker/u16:0+xprtiod21:22:272
544572291,6sleep2876-21gmain21:09:482
537251291,5sleep2537291-21ntpq21:00:212
537210290,2sleep1222-21plymouthd21:00:211
506510290,7sleep20-21swapper/220:40:132
499555290,1sleep20-21swapper/220:33:002
470371290,6sleep2472175-21kthreadcore20:10:192
437465290,2sleep0221rcuc/019:45:180
428471290,6sleep2428594-21python319:35:272
867598280,1sleep20-21swapper/200:38:172
851756280,2sleep1851760-21ssh00:26:531
851262280,1sleep2222-21plymouthd00:25:302
837688281,4sleep2837399-21sendmail-msp00:20:112
829025280,5sleep2829031-21ssh00:13:192
806726280,6sleep2806483-21sendmail-msp00:00:082
804280280,6sleep2804327-21ssh23:55:232
796553280,5sleep2796592-21ntpq23:50:212
788961281,4sleep2788992-21ntpq23:45:242
783652281,4sleep0783812-21diskstats23:45:140
782708280,1sleep00-21swapper/023:43:170
773404281,3sleep2773443-21ssh23:35:222
768226281,4sleep1768224-21apt-get23:35:131
759845280,5sleep2759847-21ssh23:29:002
745008280,6sleep2745014-21ssh23:20:062
728620281,5sleep00-21swapper/023:08:020
705183281,4sleep1976-21sshd22:51:551
703876280,5sleep0704057-21ssh22:50:210
683442281,4sleep20-21swapper/222:40:132
666381280,2sleep10-21swapper/122:26:331
651817280,5sleep2222-21plymouthd22:19:042
610391281,4sleep2611413-21memory21:50:212
597455280,2sleep2597461-21ssh21:42:242
583260280,5sleep1222-21plymouthd21:35:131
567430281,4sleep10-21swapper/121:24:141
559468281,5sleep11000-21snmpd21:18:411
531662280,1sleep00-21swapper/020:59:520
524305281,4sleep0524344-21ntpq20:50:220
506121281,4sleep1726-21systemd-logind20:40:001
505877280,1sleep00-21swapper/020:36:510
486855280,4sleep2222-21plymouthd20:24:182
474437281,4sleep2474439-21apt-get20:15:122
469380281,3sleep1470369-21kthreadcore20:10:181
461629281,3sleep1461662-21apt-get20:05:121
455600280,5sleep2455873-21irqcore20:00:162
443314280,5sleep2444275-21cut19:50:182
415779281,4sleep0416020-21grep19:25:260
403913281,4sleep0403916-21apt-get19:20:130
395284281,4sleep2395669-21ntp_states19:15:022
387901281,3sleep1222-21plymouthd19:05:271
861081270,4sleep1861277-21if_eno200:35:151
859106270,1sleep00-21swapper/000:31:010
843646270,5sleep1222-21plymouthd00:20:481
828575271,3sleep0222-21plymouthd00:12:050
791344271,3sleep1222-21plymouthd23:50:121
743721270,1sleep20-21swapper/223:17:022
737368271,3sleep1737424-21ssh23:15:121
737343270,3sleep00-21swapper/023:15:110
735746271,3sleep0222-21plymouthd23:11:060
728627270,1sleep10-21swapper/123:08:031
706544270,3sleep10-21swapper/122:55:121
697658270,4sleep2697664-21ssh22:47:232
696371270,4sleep1696415-21ssh22:45:211
690417270,4sleep0222-21plymouthd22:43:480
681549270,4sleep1681555-21ssh22:35:311
680969270,4sleep2681015-21ntpq22:35:242
667927270,3sleep0667934-21ssh22:30:130
652096270,1sleep10-21swapper/122:19:511
638568270,4sleep2639921-21tr22:10:182
638568270,4sleep2639921-21tr22:10:182
637546270,4sleep0637928-21sed22:10:160
637546270,4sleep0637928-21sed22:10:160
636737271,2sleep1222-21plymouthd22:09:491
627362270,4sleep2627563-21users22:00:282
619999272,2sleep2222-21plymouthd21:55:552
615875270,4sleep1617614-21tr21:55:171
583463270,4sleep0583583-21ssh21:35:150
583300270,4sleep2222-21plymouthd21:35:142
565522271,3sleep0565567-21ntpq21:20:240
553931270,4sleep0555415-21grep21:15:190
552516270,3sleep20-21swapper/221:15:132
550396271,3sleep0550598-21/usr/sbin/munin21:10:260
538487270,3sleep10-21swapper/121:05:141
525570271,3sleep2525567-21apt-get20:55:132
525534271,3sleep1525567-21apt-get20:55:121
524397270,4sleep2524423-21ntpq20:50:242
515724271,4sleep0515842-21kthreadcore20:45:160
506441271,3sleep0222-21plymouthd20:40:110
506401271,3sleep1506183-21sendmail-msp20:40:041
505180270,3sleep2505217-21ntpq20:35:202
499543270,1sleep00-21swapper/020:32:490
486746270,1sleep00-21swapper/020:22:510
480458271,3sleep0222-21plymouthd20:19:070
467675271,3sleep0222-21plymouthd20:09:000
454538270,1sleep10-21swapper/119:55:381
448950271,3sleep2222-21plymouthd19:55:142
433430270,1sleep20-21swapper/219:40:202
428945270,1sleep00-21swapper/019:35:440
423170271,3sleep1423172-21apt-get19:35:141
421928270,4sleep2421972-21ld19:30:222
421693270,4sleep0421875-21grep19:30:200
404747271,3sleep1405601-21cut19:20:181
397509270,3sleep1222-21plymouthd19:15:131
394185270,4sleep00-21swapper/019:10:310
388922271,3sleep1388954-21apt-get19:10:201
837177260,1sleep00-21swapper/000:19:340
828515260,3sleep1222-21plymouthd00:11:531
819741260,3sleep2819789-21ntpq00:05:252
813071260,1sleep10-21swapper/100:01:431
805194260,1sleep1805200-21ssh23:56:221
777284260,4sleep1778437-21cut23:40:181
775472260,3sleep0222-21plymouthd23:39:490
760464260,2sleep10-21swapper/123:30:121
758320260,3sleep0758552-21unixbench_multi23:25:260
729100260,1sleep20-21swapper/223:09:232
721408260,4sleep00-21swapper/023:04:210
706539260,3sleep0222-21plymouthd22:55:110
667935260,3sleep1668084-21df22:30:141
666712260,1sleep20-21swapper/222:27:342
652961260,3sleep2653783-21irqrtprio22:20:162
643659260,3sleep1643663-21ssh22:12:381
643659260,3sleep1643663-21ssh22:12:381
598648260,3sleep2598654-21ssh21:45:122
590955261,2sleep00-21swapper/021:40:130
543725260,4sleep00-21swapper/021:05:250
518547260,3sleep1222-21plymouthd20:45:341
499611260,1sleep10-21swapper/120:33:431
493051260,3sleep0222-21plymouthd20:26:480
492421260,3sleep2492462-21ntpq20:25:262
480815260,3sleep1222-21plymouthd20:20:121
461665261,2sleep20-21swapper/220:05:132
442389260,2sleep10-21swapper/119:50:131
436338260,3sleep2436596-21cut19:45:172
436137260,3sleep1436337-21hddtemp_smartct19:45:151
434705260,3sleep00-21swapper/019:40:220
429566260,3sleep1429347-21sendmail-msp19:40:071
410707261,2sleep20-21swapper/219:25:162
397473260,2sleep0222-21plymouthd19:15:120
394862260,3sleep2222-21plymouthd19:12:172
387812261,2sleep00-21swapper/019:05:260
820331250,2sleep0222-21plymouthd00:05:310
805890250,2sleep0222-21plymouthd23:58:250
745046250,2sleep00-21swapper/023:20:120
720708250,2sleep2222-21plymouthd23:02:142
706586250,2sleep20-21swapper/222:55:132
688742250,2sleep1222-21plymouthd22:40:241
681913250,2sleep0222-21plymouthd22:36:380
605618250,3sleep00-21swapper/021:48:510
582096250,3sleep00-21swapper/021:32:110
524925250,2sleep1222-21plymouthd20:50:381
480175250,2sleep1222-21plymouthd20:15:311
409938250,3sleep20-21swapper/219:23:562
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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