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2026-06-08 - 12:05
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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 792 highest latencies:
System rackeslot8.osadl.org (updated Mon Jun 08, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5931682480,1sleep0221rcuc/023:05:180
256548993027,1cyclictest0-21swapper/321:20:013
256548992522,1cyclictest0-21swapper/319:40:013
256548992420,1cyclictest0-21swapper/323:00:073
256548992320,1cyclictest0-21swapper/323:20:013
256548992219,1cyclictest0-21swapper/322:30:243
256548992216,3cyclictest599255-21sleep23:10:003
25654899221,15cyclictest669324-21taskset23:55:003
256548992119,1cyclictest0-21swapper/322:40:013
256548992119,1cyclictest0-21swapper/320:20:013
256548992118,1cyclictest0-21swapper/322:00:013
256548992111,7cyclictest6380482sleep323:35:013
25654899211,16cyclictest723680-21chrt00:30:133
256548992017,1cyclictest0-21swapper/321:40:083
256548992017,1cyclictest0-21swapper/321:20:263
25654899201,14cyclictest504746-21taskset22:05:433
25654899201,14cyclictest380844-21turbostat20:45:003
256548991917,0cyclictest0-21swapper/300:05:193
256548991916,1cyclictest0-21swapper/323:40:103
256548991916,1cyclictest0-21swapper/322:50:173
256548991916,1cyclictest0-21swapper/321:10:123
256548991916,1cyclictest0-21swapper/300:20:053
256548991916,1cyclictest0-21swapper/300:20:053
256548991916,1cyclictest0-21swapper/300:00:093
25654899191,14cyclictest700339-21taskset00:15:003
25654899191,14cyclictest621814-21taskset23:22:363
25654899191,14cyclictest381134-21chrt20:45:133
25654899191,14cyclictest354919-21chrt20:22:313
25654899191,14cyclictest328503-21chrt20:00:263
25654899191,14cyclictest270405-21taskset19:15:203
25654899191,13cyclictest622848-21taskset23:25:013
25654899191,13cyclictest459740-21taskset21:40:013
25654899191,13cyclictest406774-21taskset21:05:003
25654899191,13cyclictest361828-21chrt20:30:133
6786182180,8sleep1679079-21kthreadcore00:00:211
25654899182,12cyclictest535834-21taskset22:26:043
256548991815,1cyclictest0-21swapper/321:32:043
25654899181,14cyclictest443211-21taskset21:27:423
25654899181,13cyclictest699326-21taskset00:12:483
25654899181,13cyclictest639482-21taskset23:35:163
25654899181,13cyclictest582306-21taskset22:55:393
25654899181,13cyclictest559271-21taskset22:41:153
25654899181,13cyclictest559271-21taskset22:41:153
25654899181,13cyclictest497264-21taskset22:01:453
25654899181,13cyclictest481239-21taskset21:50:283
25654899181,13cyclictest406256-21taskset21:01:483
25654899181,13cyclictest399831-21taskset20:56:513
25654899181,13cyclictest399831-21taskset20:56:513
25654899181,13cyclictest393350-21taskset20:51:143
25654899181,13cyclictest330024-21taskset20:05:143
25654899181,13cyclictest262888-21taskset19:14:563
6926842171,4sleep0692747-21sort00:10:140
6633942171,12sleep1665010-21grep23:50:181
256548991715,1cyclictest0-21swapper/319:25:193
256548991714,1cyclictest0-21swapper/323:45:193
256548991714,1cyclictest0-21swapper/322:20:073
256548991714,1cyclictest0-21swapper/320:35:193
256548991714,1cyclictest0-21swapper/319:45:183
25654899171,13cyclictest737618-21taskset00:36:263
25654899171,13cyclictest605204-21taskset23:10:253
25654899171,13cyclictest567682-21taskset22:48:133
25654899171,13cyclictest520122-21taskset22:15:293
25654899171,13cyclictest467559-21taskset21:45:023
25654899171,13cyclictest361383-21taskset20:28:133
25654899171,13cyclictest290722-21taskset19:33:563
25654899171,12cyclictest322598-21taskset19:55:283
25654899171,12cyclictest316426-21taskset19:53:493
25654899171,12cyclictest271776-21chrt19:20:133
6704782164,9sleep0671377-21kthreadcore23:55:180
3424662161,8sleep0342483-21basename20:15:120
256548991613,1cyclictest0-21swapper/300:25:233
25654899161,12cyclictest676423-21taskset23:58:533
25654899161,12cyclictest341505-21taskset20:10:253
25654899161,12cyclictest303355-21taskset19:40:503
25654899161,11cyclictest512384-21taskset22:10:313
7304622131,9sleep1730468-21ssh00:33:161
6825322131,9sleep0682569-21/usr/sbin/munin00:00:280
6610802131,9sleep2661084-21ssh23:49:152
6306062131,9sleep2630611-21/usr/sbin/munin23:30:112
6981962121,8sleep1698321-21sed00:10:271
6790822121,7sleep2680811-21kthreadcore00:00:222
6371692121,4sleep1637175-21ssh23:32:221
5243822120,8sleep2526062-21grep22:20:182
5196222120,9sleep2519727-21mailstats22:15:252
4959772121,8sleep1490919-21/usr/sbin/munin22:00:211
4266292120,8sleep2421029-21/usr/sbin/munin21:15:272
3872142120,8sleep1387235-21latency_hist20:50:011
6291702110,1sleep10-21swapper/123:26:371
5406332111,7sleep1542477-21cut22:30:201
5374612111,2sleep20-21swapper/222:30:132
5001402110,2sleep20-21swapper/222:05:192
4977672110,3sleep2497773-21ssh22:03:192
4745592110,8sleep0474565-21ssh21:48:330
7377072101,6sleep2737711-21ssh00:36:422
6763152100,2sleep10-21swapper/123:58:281
5855072100,7sleep0586690-21cut23:00:180
5297592101,5sleep0529762-21apt-get22:25:130
5136332100,3sleep1222-21plymouthd22:14:201
4905762100,6sleep1490606-21munin-run22:00:011
4523302100,1sleep20-21swapper/221:35:162
4428982100,2sleep0222-21plymouthd21:26:520
4137182100,2sleep0414316-21irqrtprio21:10:160
3140932101,2sleep10-21swapper/119:50:191
2971452100,1sleep10-21swapper/119:38:401
2590072102,2sleep1171rcu_preempt19:10:181
2563842100,2sleep30-21swapper/319:09:563
729511290,3sleep2222-21plymouthd00:30:292
722055290,3sleep2722061-21ssh00:26:202
690250291,5sleep1690276-21ntpq00:05:261
659104291,5sleep1659204-21ntpq23:45:201
616438291,5sleep0617376-21cut23:20:180
606800291,5sleep2606806-21ssh23:14:112
582005290,7sleep0582233-21users22:55:290
567983290,2sleep1222-21plymouthd22:49:041
554515291,5sleep20-21swapper/222:40:192
554515291,5sleep20-21swapper/222:40:192
548511290,7sleep00-21swapper/022:35:200
489391290,6sleep0489397-21ssh21:56:270
457278291,5sleep0457334-21ntpq21:35:220
421066290,2sleep00-21swapper/021:15:130
400359291,2sleep20-21swapper/221:00:082
373490290,7sleep0373536-21ld20:35:240
364511290,6sleep0366353-21kthreadcore20:30:190
355415291,4sleep0355418-21apt-get20:25:140
354989292,4sleep1222-21plymouthd20:23:271
354823290,1sleep20-21swapper/220:21:192
329225290,1sleep20-21swapper/220:03:192
316306290,1sleep20-21swapper/219:52:172
291577291,5sleep2292514-21sed19:35:172
290472290,2sleep20-21swapper/219:30:442
284824291,5sleep1284890-21grep19:30:151
255345291,4sleep0255438-21ntpq19:05:200
721055281,4sleep0721177-21ntpq00:25:200
707698280,1sleep1222-21plymouthd00:19:451
700442281,3sleep20-21swapper/200:15:132
690764282,4sleep2222-21plymouthd00:05:302
666991281,4sleep2667033-21ntpq23:50:232
652292281,4sleep1652298-21ssh23:41:041
643701281,5sleep0643747-21ntpq23:35:210
622864280,6sleep2622868-21ssh23:25:052
621118280,1sleep10-21swapper/123:20:351
620970280,5sleep2222-21plymouthd23:20:282
607818281,4sleep2608388-21sed23:15:152
574922280,1sleep20-21swapper/222:51:452
573921282,3sleep0573967-21ntpq22:50:230
573065281,4sleep1573737-21sed22:50:201
566931282,3sleep0222-21plymouthd22:45:540
559119280,2sleep1559125-21ssh22:40:421
559119280,2sleep1559125-21ssh22:40:411
552712281,4sleep0222-21plymouthd22:40:010
552712281,4sleep0222-21plymouthd22:40:010
552355280,2sleep2222-21plymouthd22:38:552
529771280,5sleep1529910-21tr22:25:151
527235281,4sleep1527282-21ntpq22:20:211
521981281,4sleep0222-21plymouthd22:20:120
504131281,4sleep0504163-21ntpq22:05:250
467793281,4sleep2467815-21ssh21:45:142
459846280,5sleep2249-21jbd2/sda2-821:40:092
452212280,5sleep1452328-21fschecks_time21:35:151
450700280,6sleep1450706-21ssh21:32:011
445043280,5sleep0445831-21kthreadcore21:30:170
434895280,1sleep1222-21plymouthd21:21:001
428855281,3sleep20-21swapper/221:20:132
422075281,4sleep1422622-21kthreadcore21:15:181
405903280,5sleep1406139-21users21:00:271
395926280,5sleep2397049-21kthreadcore20:55:192
395926280,5sleep2397049-21kthreadcore20:55:182
393482281,3sleep2222-21plymouthd20:52:532
379853281,4sleep1379890-21ntpq20:40:211
374665280,1sleep20-21swapper/220:40:032
374082281,3sleep1222-21plymouthd20:36:051
361827281,3sleep20-21swapper/220:30:132
342030280,1sleep10-21swapper/120:12:521
341296281,4sleep0222-21plymouthd20:10:230
341202281,3sleep2341248-21ntpq20:10:212
328416281,4sleep1328458-21ntpq20:00:251
322868280,4sleep2222-21plymouthd19:58:572
316782280,1sleep00-21swapper/019:55:070
316184280,1sleep00-21swapper/019:50:420
303947280,1sleep20-21swapper/219:45:102
271733281,1sleep10-21swapper/119:20:081
271439281,4sleep2222-21plymouthd19:19:532
270502281,4sleep0270536-21ntpq19:15:210
731419271,3sleep1731421-21apt-get00:35:121
714676270,1sleep1714682-21ssh00:22:181
714676270,1sleep1714682-21ssh00:22:181
702498270,4sleep0704134-21cut00:15:190
691445270,3sleep0222-21plymouthd00:07:290
661670270,4sleep0661788-21tr23:50:130
651464271,3sleep0651513-21ntpq23:40:230
646183271,2sleep20-21swapper/223:40:132
644682270,4sleep2644688-21ssh23:36:402
637555271,3sleep0222-21plymouthd23:33:330
622896271,3sleep0622933-21apt-get23:25:100
614160270,4sleep1614165-21sh23:18:031
607578271,4sleep0607611-21fschecks_count23:15:130
599524271,3sleep0599303-21appstreamcli23:10:040
594112270,4sleep1595810-21cut23:05:201
584073271,3sleep2584110-21apt-get23:00:112
583096270,4sleep2222-21plymouthd22:58:072
576370270,3sleep10-21swapper/122:55:141
520573270,1sleep1171rcu_preempt22:16:531
517042270,4sleep0518763-21tr22:15:180
513595270,1sleep20-21swapper/222:14:092
513549271,3sleep00-21swapper/022:13:590
496230270,4sleep0496275-21ntpq22:00:240
467585270,1sleep1467591-21ssh21:45:091
459901270,4sleep0460057-21diskstats21:40:150
459820271,3sleep1459824-21ssh21:40:031
447424271,3sleep2449230-21kthreadcore21:30:192
437983270,4sleep2438990-21grep21:25:182
435446271,4sleep00-21swapper/021:22:380
418681271,4sleep1418788-21grep21:10:251
413262270,4sleep2222-21plymouthd21:10:102
406786270,4sleep00-21swapper/021:05:110
400403271,4sleep0400554-21df_inode21:00:140
399268270,4sleep1399386-21mailstats20:55:261
399268270,4sleep1399386-21mailstats20:55:261
375104270,5sleep0375675-21irqrtprio20:40:170
374332270,1sleep20-21swapper/220:39:192
361352270,4sleep20-21swapper/220:27:492
348943271,3sleep0348735-21appstreamcli20:20:040
335538270,1sleep1222-21plymouthd20:07:071
329823270,4sleep2330023-21hddtemp_smartct20:05:152
324549273,2sleep00-21swapper/020:00:200
303472270,1sleep00-21swapper/019:42:200
284032270,1sleep10-21swapper/119:25:501
281130270,4sleep0282994-21cut19:25:200
277018270,4sleep0277064-21ntp_states19:20:230
271729271,4sleep2271511-21sendmail-msp19:20:052
268083270,4sleep1269955-21tr19:15:191
262025271,3sleep2262051-21ntpq19:10:232
255781271,3sleep2256025-21users19:05:262
251735270,4sleep1252794-21kthreadcore19:05:171
736746260,3sleep0736794-21ntpq00:35:240
728896260,3sleep0728944-21ntpq00:30:230
717330261,3sleep1718230-21ssh00:25:181
714429260,1sleep00-21swapper/000:21:370
714429260,1sleep00-21swapper/000:21:360
709568260,3sleep2710749-21kthreadcore00:20:182
709568260,3sleep2710749-21kthreadcore00:20:182
699346260,3sleep2699350-21ssh00:12:522
660535260,3sleep0222-21plymouthd23:47:370
638364260,3sleep1638401-21apt-get23:35:101
599593260,3sleep1222-21plymouthd23:10:131
597569260,1sleep20-21swapper/223:05:292
560871260,3sleep2222-21plymouthd22:45:122
544927260,1sleep10-21swapper/122:35:001
539054260,4sleep0222-21plymouthd22:30:190
535691260,3sleep2535697-21ssh22:25:402
503903261,3sleep1504022-21ntpq22:05:221
489186260,2sleep2222-21plymouthd21:55:532
478540260,3sleep2478466-21kthreadcore21:50:182
436595260,3sleep1436601-21ssh21:25:131
412821260,2sleep2222-21plymouthd21:08:222
399968260,2sleep0222-21plymouthd20:58:380
399968260,2sleep0222-21plymouthd20:58:380
387471260,4sleep00-21swapper/020:50:040
387063260,1sleep00-21swapper/020:48:030
355381260,1sleep10-21swapper/120:25:111
348332260,1sleep10-21swapper/120:16:131
342196260,3sleep2222-21plymouthd20:15:022
322785260,3sleep10-21swapper/119:57:531
303985260,3sleep0304133-21df19:45:130
303354260,3sleep2222-21plymouthd19:40:502
297122260,1sleep00-21swapper/019:38:230
278233260,2sleep2222-21plymouthd19:25:142
262693260,3sleep0222-21plymouthd19:12:260
669375250,3sleep2669381-21ssh23:55:072
589377250,2sleep10-21swapper/123:00:231
476351251,2sleep00-21swapper/021:50:170
475361250,2sleep1475367-21ssh21:50:101
406822250,2sleep10-21swapper/121:05:121
393439250,2sleep1222-21plymouthd20:52:211
381093250,2sleep2222-21plymouthd20:45:082
367583250,2sleep1222-21plymouthd20:30:271
335413250,2sleep00-21swapper/020:05:300
309758250,2sleep1222-21plymouthd19:45:461
297574250,2sleep10-21swapper/119:40:131
290485250,2sleep00-21swapper/019:30:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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