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2026-08-23 - 03:46
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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 Sun Aug 23, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8076772420,1sleep30-21swapper/323:40:183
415186992825,1cyclictest0-21swapper/320:20:133
415186992825,1cyclictest0-21swapper/300:25:233
415186992724,1cyclictest0-21swapper/321:20:193
415186992522,1cyclictest0-21swapper/323:20:313
415186992522,1cyclictest0-21swapper/320:30:003
415186992522,1cyclictest0-21swapper/300:00:303
415186992421,1cyclictest0-21swapper/319:40:243
415186992420,1cyclictest0-21swapper/322:00:113
415186992219,1cyclictest0-21swapper/322:15:003
415186992219,1cyclictest0-21swapper/320:40:563
415186992219,1cyclictest0-21swapper/320:00:043
415186992219,1cyclictest0-21swapper/319:40:013
4937102210,9sleep244-21ksoftirqd/220:05:272
41518699212,14cyclictest640187-21taskset21:50:523
415186992118,1cyclictest0-21swapper/322:00:003
415186992118,1cyclictest0-21swapper/321:40:413
415186992118,1cyclictest0-21swapper/300:20:153
415186992115,4cyclictest4625322sleep319:45:143
41518699211,15cyclictest739618-21taskset22:55:203
41518699209,7cyclictest7600282sleep323:10:163
41518699202,13cyclictest552004-21taskset20:54:553
415186992017,1cyclictest0-21swapper/323:30:123
415186992017,1cyclictest0-21swapper/322:40:223
415186992017,1cyclictest0-21swapper/322:20:333
415186992017,1cyclictest0-21swapper/321:00:543
415186992016,1cyclictest0-21swapper/323:00:033
415186992016,1cyclictest0-21swapper/322:30:183
41518699201,15cyclictest566127-21taskset21:05:183
41518699199,7cyclictest5452492sleep320:45:303
41518699199,7cyclictest5452492sleep320:45:303
41518699192,12cyclictest610368-21taskset21:35:013
415186991917,1cyclictest0-21swapper/323:10:003
415186991917,1cyclictest0-21swapper/300:15:283
415186991916,1cyclictest0-21swapper/322:51:393
415186991916,1cyclictest0-21swapper/320:10:193
41518699191,14cyclictest834244-21taskset23:55:173
41518699191,14cyclictest790312-21taskset23:29:113
41518699191,14cyclictest712183-21turbostat22:40:003
41518699191,14cyclictest662972-21taskset22:05:243
41518699191,14cyclictest601890-21taskset21:28:193
41518699191,14cyclictest526864-21taskset20:35:153
41518699191,14cyclictest436198-21taskset19:21:223
41518699191,13cyclictest680748-21taskset22:19:553
41518699191,13cyclictest421747-21taskset19:15:013
41518699182,12cyclictest526039-21taskset20:30:383
415186991815,1cyclictest0-21swapper/323:50:123
41518699181,13cyclictest821050-21taskset23:47:193
41518699181,13cyclictest725724-21taskset22:45:223
41518699181,13cyclictest617347-21taskset21:37:533
41518699181,13cyclictest585942-21taskset21:17:373
41518699181,13cyclictest488531-21taskset20:05:163
41518699181,13cyclictest479150-21taskset19:55:183
41518699181,13cyclictest474963-21taskset19:54:503
41518699181,13cyclictest443826-21taskset19:30:163
41518699181,12cyclictest767453-21taskset23:15:123
41518699176,8cyclictest853005-21taskset00:09:213
41518699176,8cyclictest853005-21taskset00:09:203
415186991714,1cyclictest0-21swapper/300:35:193
41518699171,13cyclictest694378-21taskset22:25:243
41518699171,13cyclictest577913-21taskset21:12:033
41518699171,13cyclictest507060-21taskset20:19:473
41518699171,12cyclictest884879-21taskset00:30:133
41518699171,12cyclictest558446-21taskset21:00:013
41518699171,12cyclictest436775-21taskset19:25:033
41518699171,12cyclictest421160-21taskset19:10:563
41518699161,12cyclictest853473-21taskset00:10:053
41518699161,12cyclictest804047-21taskset23:35:213
41518699161,12cyclictest632377-21taskset21:45:593
8814772150,5sleep1881479-21kthreadcore00:25:181
5089352150,6sleep134-21ksoftirqd/120:20:191
8834302141,10sleep0883436-21ssh00:26:590
8066352141,10sleep2806303-21sendmail-msp23:40:152
6332542140,11sleep0633262-21ssh21:48:300
5965742140,10sleep1598215-21tr21:25:171
4612412140,7sleep1461291-21ntpq19:40:221
7752362131,4sleep1775239-21ssh23:20:131
6568652131,9sleep1656869-21ssh22:03:421
7662772120,9sleep1766283-21ssh23:12:461
6970072121,8sleep0697209-21/usr/sbin/munin22:30:150
5845962121,7sleep1584640-21ntpq21:15:231
5190082121,8sleep0519048-21ntpq20:25:230
8909652111,3sleep0222-21plymouthd00:31:160
8529462110,8sleep2852950-21ssh00:09:122
8529462110,8sleep2852950-21ssh00:09:122
8439862110,8sleep1843990-21ssh00:00:491
8378722110,8sleep2837642-21sendmail-msp00:00:062
7124682110,3sleep1222-21plymouthd22:40:071
6711482111,7sleep1671339-21users22:10:281
6249342110,8sleep2624940-21ssh21:41:542
4939922110,1sleep00-21swapper/020:06:390
4368242111,2sleep00-21swapper/019:25:130
8926422101,6sleep00-21swapper/000:35:120
8237452100,7sleep0824694-21cut23:50:180
8127162106,2sleep00-21swapper/023:41:000
8062352100,6sleep01-21systemd23:40:000
7972312100,7sleep1797239-21ssh23:31:401
7905632101,7sleep0790856-21appstreamcli23:30:010
7115192100,7sleep2711525-21ssh22:38:162
7041302100,7sleep1704136-21ssh22:34:331
6903832101,2sleep0691303-21kthreadcore22:25:180
6812242101,6sleep1680842-21sendmail-msp22:20:141
6434102101,6sleep2644626-21kthreadcore21:55:172
5320942100,6sleep2532347-21unixbench_multi20:35:272
5260332101,6sleep2222-21plymouthd20:30:352
4996982101,5sleep2499742-21ntpq20:10:212
4945582102,4sleep1494556-21apt-get20:10:121
4183512100,7sleep2420200-21cut19:10:202
41518699101,6cyclictest4150462sleep319:10:013
4089762101,4sleep0222-21plymouthd19:05:140
877001290,2sleep20-21swapper/200:25:122
875893290,6sleep1875899-21ssh00:22:551
822307291,4sleep2822344-21apt-get23:50:122
806593290,6sleep1806303-21sendmail-msp23:40:131
789956290,6sleep072-21kcompactd023:28:170
781268291,5sleep0781276-21ssh23:20:470
767689290,6sleep1767883-21if_eno223:15:151
758480290,2sleep1222-21plymouthd23:07:491
749369295,2sleep00-21swapper/023:00:260
733669291,5sleep1733697-21ntpq22:50:251
727359290,3sleep2222-21plymouthd22:48:222
694290291,5sleep1694331-21ntpq22:25:241
664381291,6sleep00-21swapper/022:07:590
663705291,5sleep2222-21plymouthd22:05:562
641020290,2sleep1222-21plymouthd21:53:201
635862290,6sleep0637227-21kthreadcore21:50:180
634573291,5sleep2635246-21cut21:50:162
609781296,1sleep10-21swapper/121:33:311
609630290,6sleep2571178-21diskmemload21:33:092
594279290,2sleep0222-21plymouthd21:23:520
586604290,6sleep20-21swapper/221:19:332
564569291,6sleep0222-21plymouthd21:01:520
564566290,1sleep20-21swapper/221:01:492
545391291,2sleep20-21swapper/220:47:182
545391291,2sleep20-21swapper/220:47:182
526687291,4sleep0526690-21apt-get20:35:130
526132290,2sleep0222-21plymouthd20:31:480
510395294,3sleep2511935-21kthreadcore20:20:202
502847291,2sleep2504589-21kthreadcore20:15:182
487525290,1sleep20-21swapper/220:00:312
461293291,5sleep2461324-21ntp_kernel_pll_19:40:232
436368290,2sleep0222-21plymouthd19:23:330
898842281,4sleep1898848-21ssh00:36:221
891873280,1sleep1222-21plymouthd00:33:461
867650281,4sleep1222-21plymouthd00:16:411
862281281,4sleep2863067-21kthreadcore00:15:182
860395280,5sleep2860401-21ssh00:13:212
845751280,4sleep00-21swapper/000:05:130
845751280,4sleep00-21swapper/000:05:130
836930283,3sleep2431ktimers/223:57:582
798782280,5sleep1798777-21apt-get23:35:111
773494282,3sleep2222-21plymouthd23:16:082
764922281,4sleep2764965-21ntpq23:10:232
743053281,5sleep20-21swapper/222:58:242
726660281,4sleep1726664-21ssh22:46:241
726321281,3sleep0222-21plymouthd22:45:310
718604280,5sleep2718608-21ssh22:40:562
687395281,4sleep2687401-21ssh22:21:232
672944282,3sleep0672993-21ssh22:15:000
665127281,4sleep1665153-21munin-run22:10:001
655759281,5sleep2571178-21diskmemload22:00:312
647122281,4sleep1647244-21ntpq21:55:201
626293280,2sleep21000-21snmpd21:45:032
623905281,4sleep1623933-21ntpq21:40:251
618501282,3sleep0618503-21apt-get21:40:120
616583284,2sleep2431ktimers/221:35:372
600980280,5sleep0571178-21diskmemload21:25:480
589882281,4sleep2586853-21sendmail-msp21:20:212
576869281,4sleep0576908-21ntp_states21:10:250
570048281,4sleep2570186-21awk21:05:222
550934282,3sleep0551046-21ntpq20:50:200
539097281,1sleep00-21swapper/020:43:110
538928281,4sleep1532833-21sendmail-msp20:41:031
493569281,4sleep1493708-21timerwakeupswit20:05:271
481390280,6sleep0481471-21latency_hist20:00:010
480470281,4sleep2480519-21ntpq19:55:222
476684281,4sleep1477359-21cat19:55:171
474908280,2sleep0222-21plymouthd19:54:080
468859281,3sleep1468892-21apt-get19:50:121
448457281,4sleep1448499-21ntpq19:30:231
423883281,4sleep2423916-21apt-get19:15:132
420667280,5sleep00-21swapper/019:10:260
409910280,4sleep1410779-21cut19:05:181
892687270,4sleep2892848-21diskstats00:35:142
875866271,3sleep2875843-40updatedb.plocat00:22:522
868639270,4sleep00-21swapper/000:19:330
858793271,3sleep1858831-21ntpq00:10:241
852939270,4sleep1852945-21ssh00:09:111
852939270,4sleep1852945-21ssh00:09:111
843316270,4sleep0843353-21ntpq00:00:280
837536273,2sleep0805130-21kworker/0:0+kacpid23:59:400
835393270,4sleep1835432-21ntpq23:55:201
824695270,5sleep1826361-21kthreadcore23:50:191
814672270,1sleep20-21swapper/223:45:152
797346274,1sleep20-21swapper/223:31:562
767609270,4sleep0767686-21cut23:15:140
757308271,3sleep00-21swapper/023:05:280
751795270,3sleep20-21swapper/223:05:142
749940273,2sleep1249-21jbd2/sda2-823:00:441
741544270,5sleep1695274-21kworker/u16:4+rpciod22:55:261
735477271,3sleep2735483-21ssh22:54:112
728490271,3sleep0728607-21/usr/sbin/munin22:50:160
711589271,3sleep1222-21plymouthd22:38:261
704650271,4sleep0704655-21sh22:35:090
704137271,3sleep2704143-21ssh22:34:342
680292270,4sleep1680298-21ssh22:18:391
680095270,4sleep2680101-21ssh22:18:072
641926270,3sleep0641732-21appstreamcli21:55:030
632681270,1sleep10-21swapper/121:46:541
588614270,4sleep1589881-21kthreadcore21:20:201
586498270,1sleep00-21swapper/021:19:150
577559271,3sleep1577563-21ssh21:11:071
564816270,4sleep1565002-21ls21:05:011
558067270,5sleep00-21swapper/020:56:060
552475270,4sleep2552622-21expr20:55:152
538924271,4sleep2532833-21sendmail-msp20:41:002
513841271,3sleep2513873-21apt-get20:25:132
507404271,3sleep0507553-21df20:20:140
500966270,3sleep0222-21plymouthd20:15:120
474750270,1sleep20-21swapper/219:52:052
468420270,1sleep00-21swapper/019:47:460
462498270,1sleep20-21swapper/219:45:122
449623271,3sleep2449655-21apt-get19:35:142
443215270,4sleep2222-21plymouthd19:30:122
436825271,3sleep1436979-21df_inode19:25:151
435439271,3sleep1435526-21ntpq19:20:211
432403270,4sleep2433826-21kthreadcore19:20:182
429082271,3sleep1429126-21ntpq19:15:241
410780271,3sleep20-21swapper/219:05:192
891206260,1sleep20-21swapper/200:31:542
875702260,1sleep00-21swapper/000:22:180
858933261,2sleep0859048-21mailstats00:10:270
821899260,3sleep1821905-21ssh23:49:471
805644260,1sleep20-21swapper/223:38:212
790298260,1sleep10-21swapper/123:29:101
781594260,4sleep2781600-21ssh23:21:372
749286260,4sleep20-21swapper/223:00:242
736159261,2sleep00-21swapper/022:55:130
696205260,3sleep2222-21plymouthd22:29:132
679472260,3sleep0222-21plymouthd22:16:240
649776261,2sleep0222-21plymouthd22:00:080
612076261,2sleep00-21swapper/021:35:190
576771260,4sleep2576819-21ld21:10:232
566831261,3sleep0568559-21kthreadcore21:05:200
553684261,2sleep10-21swapper/120:55:181
551837260,3sleep2222-21plymouthd20:52:472
551677260,2sleep1222-21plymouthd20:50:451
514042260,3sleep1514241-21hddtemp_smartct20:25:161
500971260,3sleep1501116-21df20:15:131
500413260,4sleep00-21swapper/020:11:480
484666261,2sleep00-21swapper/020:00:210
464677261,2sleep10-21swapper/119:45:191
461927260,1sleep00-21swapper/019:41:090
453130260,3sleep1454628-21cat19:35:201
451353261,3sleep014-21ksoftirqd/019:35:190
449035260,3sleep0222-21plymouthd19:30:590
436774260,3sleep2436568-21appstreamcli19:25:032
429871260,1sleep00-21swapper/019:18:290
814419250,2sleep0222-21plymouthd23:45:050
783085250,3sleep2783091-21ssh23:25:102
765645250,2sleep0222-21plymouthd23:11:020
713963250,3sleep0713995-21kthreadcore22:40:220
681169250,2sleep00-21swapper/022:20:130
665499250,2sleep20-21swapper/222:10:132
612722250,3sleep1222-21plymouthd21:35:201
609119250,2sleep0222-21plymouthd21:31:420
601043250,3sleep2601049-21ssh21:25:592
570271250,3sleep10-21swapper/121:05:251
540630250,3sleep0540946-21kthreadcore20:45:190
540630250,3sleep0540946-21kthreadcore20:45:190
539508250,2sleep1222-21plymouthd20:45:121
539508250,2sleep1222-21plymouthd20:45:121
526646250,2sleep1222-21plymouthd20:35:061
526235250,2sleep1222-21plymouthd20:33:051
481473250,2sleep10-21swapper/120:00:021
421168250,2sleep1222-21plymouthd19:11:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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