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2026-03-18 - 20:23
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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 rack0slot2.osadl.org (updated Wed Mar 18, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23893812990,1sleep70-21swapper/708:49:027
2175809994846,2cyclictest2673704-21kworker/u16:3+events_unbound11:29:025
2175809994745,2cyclictest2457221-21kworker/u16:2+flush-8:012:18:525
2175809994745,2cyclictest2457221-21kworker/u16:2+events_unbound12:26:085
2175809994745,2cyclictest2457221-21kworker/u16:2+events_unbound12:26:085
2175809994744,2cyclictest2443177-21kworker/u16:0+events_unbound10:08:375
2175809994644,2cyclictest2341765-21kworker/u16:3+events_unbound10:25:175
2175809994644,2cyclictest2341765-21kworker/u16:3+events_unbound10:25:175
2175809994442,2cyclictest2840512-21kworker/u16:3+events_unbound12:29:025
2175809994442,2cyclictest2649986-21kworker/u16:1+events_unbound11:12:085
2175809994442,2cyclictest2409475-21kworker/u16:4+events_unbound09:11:095
2175809994340,2cyclictest2457221-21kworker/u16:2+events_unbound11:26:165
2175809994240,2cyclictest2673704-21kworker/u16:3+events_unbound11:16:575
2175809994240,2cyclictest2649986-21kworker/u16:1+events_unbound10:56:375
2175809994240,2cyclictest2457221-21kworker/u16:2+events_unbound12:11:175
2175809994240,2cyclictest2443177-21kworker/u16:0+events_unbound10:15:415
2175809994240,2cyclictest2443177-21kworker/u16:0+events_unbound09:56:495
2175809994240,2cyclictest2341765-21kworker/u16:3+flush-8:009:34:245
2175809994139,2cyclictest2840512-21kworker/u16:3+flush-8:012:14:035
2175809994139,2cyclictest2840512-21kworker/u16:3+events_unbound12:08:175
2175809994139,2cyclictest2457221-21kworker/u16:2+events_unbound11:21:175
2175809994139,2cyclictest2457221-21kworker/u16:2+events_unbound11:01:095
2175809994139,2cyclictest2341765-21kworker/u16:3+events_unbound10:03:105
2175809994138,2cyclictest2176019-21kworker/u16:2+flush-8:007:43:345
2175809994038,2cyclictest2649986-21kworker/u16:1+events_unbound10:52:495
2175809994038,2cyclictest2457221-21kworker/u16:2+events_unbound10:47:095
2175809994038,2cyclictest2457221-21kworker/u16:2+events_unbound10:34:305
2175809994038,2cyclictest2443177-21kworker/u16:0+events_unbound10:30:055
2175809994038,2cyclictest2341765-21kworker/u16:3+events_unbound09:40:445
2175809994038,2cyclictest2284748-21kworker/u16:4+events_unbound07:58:375
217552624029,8sleep60-21swapper/607:03:346
217526724030,7sleep40-21swapper/406:59:554
2175819993936,2cyclictest2853647-21dnf12:08:217
2175809993937,2cyclictest2457221-21kworker/u16:2+flush-8:011:34:045
2175809993937,2cyclictest2457221-21kworker/u16:2+events_unbound11:43:125
2175809993937,2cyclictest2443177-21kworker/u16:0+events_unbound09:49:245
2175809993937,2cyclictest2443177-21kworker/u16:0+events_unbound09:49:245
2175809993937,2cyclictest2341765-21kworker/u16:3+events_unbound10:42:215
2175809993937,2cyclictest2341765-21kworker/u16:3+events_unbound10:08:215
2175809993936,2cyclictest2649986-21kworker/u16:1+events_unbound11:58:385
2175809993936,2cyclictest2457221-21kworker/u16:2+events_unbound09:27:255
2175819993833,4cyclictest2841740-21latency_hist12:03:347
2175809993836,2cyclictest2341765-21kworker/u16:3+events_unbound10:21:585
2175809993836,2cyclictest2341765-21kworker/u16:3+events_unbound10:21:585
2175809993836,2cyclictest2341765-21kworker/u16:3+events_unbound09:32:245
2175809993836,2cyclictest2127761-21kworker/u16:1+events_unbound07:28:595
2175805993836,2cyclictest2457221-21kworker/u16:2+events_unbound10:23:574
2175805993836,2cyclictest2457221-21kworker/u16:2+events_unbound10:23:574
21743092383,30sleep70-21swapper/706:59:017
2175809993735,2cyclictest2673704-21kworker/u16:3+events_unbound11:48:175
2175809993735,2cyclictest2673704-21kworker/u16:3+events_unbound11:48:175
2175809993735,2cyclictest2649986-21kworker/u16:1+events_unbound11:56:375
2175809993735,2cyclictest2457221-21kworker/u16:2+events_unbound11:52:335
2175809993735,2cyclictest2341765-21kworker/u16:3+events_unbound09:20:095
2175809993735,2cyclictest2093947-21kworker/u16:0+flush-8:008:43:585
2175811993633,2cyclictest2341765-21kworker/u16:3+events_unbound09:33:486
2175809993634,2cyclictest2673704-21kworker/u16:3+events_unbound11:07:225
2175809993634,2cyclictest2673704-21kworker/u16:3+events_unbound11:07:225
217531523626,7sleep50-21swapper/507:00:365
2175809993533,2cyclictest2409475-21kworker/u16:4+events_unbound09:05:125
2175811993432,2cyclictest2341765-21kworker/u16:3+flush-8:009:29:056
2175809993432,2cyclictest2443177-21kworker/u16:0+events_unbound09:44:385
2175809993432,2cyclictest2443177-21kworker/u16:0+events_unbound09:44:385
2175809993432,2cyclictest2341765-21kworker/u16:3+events_unbound09:15:165
2175811993330,2cyclictest2341765-21kworker/u16:3+events_unbound10:34:016
2175819993226,5cyclictest650-21systemd-journal08:58:347
2175811993230,2cyclictest2457221-21kworker/u16:2+events_unbound10:29:026
2175805993127,3cyclictest2409475-21kworker/u16:4+flush-8:009:08:514
22290182300,1chrt2229019-21kthreadcore07:28:497
2175819992921,7cyclictest650-21systemd-journal10:33:347
2175809992927,2cyclictest2176019-21kworker/u16:2+events_unbound07:34:455
2175809992927,2cyclictest2093947-21kworker/u16:0+events_unbound07:08:455
2175809992926,2cyclictest2351744-21kworker/u16:1+flush-8:008:38:455
2175809992826,2cyclictest2176019-21kworker/u16:2+events_unbound08:03:425
2175819992722,4cyclictest2793713-21latency_hist11:43:347
2175809992725,2cyclictest2256339-21kworker/u16:3+flush-8:007:54:455
2175809992725,2cyclictest2127761-21kworker/u16:1+flush-8:007:14:185
2175809992725,2cyclictest2093947-21kworker/u16:0+events_unbound08:14:455
2175805992725,2cyclictest2457221-21kworker/u16:2+events_unbound09:23:484
2175809992624,2cyclictest2371160-21kworker/u16:2+events_unbound09:02:455
2175809992624,2cyclictest2093947-21kworker/u16:0+events_unbound08:23:365
2175809992523,2cyclictest2176019-21kworker/u16:2+events_unbound07:51:295
2175809992523,2cyclictest2127761-21kworker/u16:1+flush-8:007:20:295
2175805992523,2cyclictest2457221-21kworker/u16:2+events_unbound10:43:494
2175819992419,4cyclictest2625516-21latency_hist10:33:347
2175811992422,2cyclictest2853703-21kworker/u16:0+flush-8:012:09:046
2175809992422,2cyclictest2371160-21kworker/u16:2+events_unbound08:54:445
2175809992422,2cyclictest2176019-21kworker/u16:2+events_unbound08:12:455
2175809992422,2cyclictest2176019-21kworker/u16:2+events_unbound07:46:225
2175819992318,4cyclictest2661530-21latency_hist10:48:347
2175819992217,4cyclictest2781700-21latency_hist11:38:357
2175811992220,2cyclictest2351744-21kworker/u16:1+events_unbound08:33:586
2175811992219,3cyclictest2341765-21kworker/u16:3+flush-8:009:14:026
2175811992219,2cyclictest2457221-21kworker/u16:2+events_unbound10:53:496
2175809992220,2cyclictest2093947-21kworker/u16:0+events_unbound07:24:335
2175805992220,2cyclictest2457221-21kworker/u16:2+flush-8:010:59:004
2175805992218,3cyclictest2853703-21kworker/u16:0+flush-8:012:08:524
2175819992117,3cyclictest124-21kswapd011:43:457
2175819992117,3cyclictest124-21kswapd011:43:457
2175819992116,4cyclictest2721592-21latency_hist11:13:347
2175811992119,2cyclictest2649986-21kworker/u16:1+events_unbound11:48:586
2175805992119,2cyclictest2673704-21kworker/u16:3+events_unbound11:23:494
2175811992018,2cyclictest2457221-21kworker/u16:2+flush-8:009:43:506
2175811992018,2cyclictest2457221-21kworker/u16:2+flush-8:009:43:506
2175811992018,2cyclictest2457221-21kworker/u16:2+flush-8:009:38:576
2175811992017,2cyclictest2443177-21kworker/u16:0+events_unbound10:08:526
2175809992018,2cyclictest2351744-21kworker/u16:1+events_unbound08:34:505
2175809992018,2cyclictest2127761-21kworker/u16:1+events_unbound07:08:105
2175805992018,2cyclictest2649986-21kworker/u16:1+flush-8:010:54:354
2175809991917,2cyclictest2093947-21kworker/u16:0+events_unbound08:30:465
2175805991916,3cyclictest2649986-21kworker/u16:1+flush-8:011:14:004
2175819991812,5cyclictest2303852-21latency_hist08:08:347
2175809991816,2cyclictest2093947-21kworker/u16:0+events_unbound08:20:465
2175805991816,2cyclictest2284748-21kworker/u16:4+events_unbound07:58:594
217581999179,7cyclictest2577424-21latency_hist10:13:357
217581999178,8cyclictest0-21swapper/711:53:587
2175819991713,3cyclictest1267-21snmpd10:58:557
2175811991715,2cyclictest2457221-21kworker/u16:2+flush-8:011:39:216
2175811991715,2cyclictest2457221-21kworker/u16:2+events_unbound09:53:596
2175805991715,2cyclictest2649986-21kworker/u16:1+flush-8:011:38:504
2175805991715,2cyclictest2649986-21kworker/u16:1+events_unbound12:03:574
217581999167,8cyclictest5750-21gmain11:22:167
217581999167,8cyclictest0-21swapper/711:03:557
217581999167,8cyclictest0-21swapper/711:03:557
217581999165,3cyclictest6450-21gmain09:53:087
217581999165,3cyclictest6450-21gmain09:53:087
217581999164,10cyclictest6045-21gmain07:53:527
217581999160,3cyclictest2399871-21/usr/sbin/munin08:58:597
2175811991613,2cyclictest2127761-21kworker/u16:1+flush-8:007:09:006
2175811991612,3cyclictest2284748-21kworker/u16:4+flush-8:008:19:006
217581999159,5cyclictest2275103-21latency_hist07:53:357
217581999158,6cyclictest0-21swapper/709:38:567
217581999157,7cyclictest0-21swapper/712:13:527
217581999157,7cyclictest0-21swapper/711:13:597
217581999157,7cyclictest0-21swapper/710:13:557
217581999157,7cyclictest0-21swapper/709:58:587
217581999156,8cyclictest0-21swapper/712:23:477
217581999156,8cyclictest0-21swapper/712:23:477
217581999155,9cyclictest0-21swapper/712:09:197
217581999155,9cyclictest0-21swapper/710:54:037
217581999155,9cyclictest0-21swapper/710:07:307
217581999154,10cyclictest0-21swapper/709:43:587
217581999154,10cyclictest0-21swapper/709:43:587
2175819991512,2cyclictest0-21swapper/708:28:357
217581999147,6cyclictest0-21swapper/711:48:567
217581999147,6cyclictest0-21swapper/710:39:007
217581999147,6cyclictest0-21swapper/709:53:557
217581999146,7cyclictest0-21swapper/711:28:327
217581999146,7cyclictest0-21swapper/710:23:087
217581999146,7cyclictest0-21swapper/710:23:087
217581999146,7cyclictest0-21swapper/709:13:447
217581999146,7cyclictest0-21swapper/709:08:587
217581999145,8cyclictest0-21swapper/712:28:507
217581999145,8cyclictest0-21swapper/710:23:517
217581999145,8cyclictest0-21swapper/710:23:517
217581999145,8cyclictest0-21swapper/709:19:017
217581999145,7cyclictest2263982-21cut07:43:557
217581999144,9cyclictest0-21swapper/712:21:437
217581999144,9cyclictest0-21swapper/710:48:397
217581999144,9cyclictest0-21swapper/709:34:317
217581999144,9cyclictest0-21swapper/709:30:037
2175819991411,2cyclictest2217779-21munin-run07:23:347
2175819991411,2cyclictest0-21swapper/707:38:357
217581999141,11cyclictest2379558-21smart_sda08:44:017
2175819991410,3cyclictest2766659-21ntp_states11:29:007
217581999140,13cyclictest0-21swapper/708:23:587
217581999140,12cyclictest924-21NetworkManager07:09:007
217581999140,12cyclictest0-21swapper/709:03:567
2175811991412,2cyclictest2457221-21kworker/u16:2+events_unbound10:23:596
2175811991412,2cyclictest2457221-21kworker/u16:2+events_unbound10:23:596
217581199140,1cyclictest0-21swapper/611:08:406
217581199140,14cyclictest0-21swapper/612:20:526
217581199140,14cyclictest0-21swapper/611:06:376
217581199140,14cyclictest0-21swapper/611:06:376
217581199140,14cyclictest0-21swapper/609:24:276
2175809991412,2cyclictest2371160-21kworker/u16:2+events_unbound08:53:345
2175805991411,2cyclictest1041-21lldpd09:50:214
2175805991411,2cyclictest1041-21lldpd09:50:214
2175805991410,3cyclictest2176019-21kworker/u16:2+flush-8:008:04:014
28888242130,0chrt0-21swapper/412:21:454
217581999134,8cyclictest0-21swapper/709:24:117
217581999134,7cyclictest2243744-21grep07:33:547
217581999131,10cyclictest0-21swapper/708:08:517
2175811991312,1cyclictest0-21swapper/611:46:026
2175811991312,1cyclictest0-21swapper/611:46:026
2175811991312,1cyclictest0-21swapper/610:19:006
2175811991312,1cyclictest0-21swapper/610:19:006
2175811991312,1cyclictest0-21swapper/609:51:536
2175811991312,1cyclictest0-21swapper/609:51:536
2175811991312,1cyclictest0-21swapper/609:12:386
2175811991310,2cyclictest2673704-21kworker/u16:3+flush-8:011:23:346
217581199130,13cyclictest0-21swapper/612:02:356
217581199130,13cyclictest0-21swapper/610:47:146
217581199130,13cyclictest0-21swapper/610:14:356
217581199130,13cyclictest0-21swapper/607:22:076
217580599139,3cyclictest2795006-21cat11:43:484
217580599139,3cyclictest2795006-21cat11:43:484
2175805991312,1cyclictest0-21swapper/411:28:474
2175805991312,1cyclictest0-21swapper/410:53:094
217580599130,12cyclictest0-21swapper/410:18:384
217580599130,12cyclictest0-21swapper/410:18:384
217581999129,2cyclictest1267-21snmpd08:36:487
217581999128,3cyclictest1267-21snmpd07:59:147
217581999125,6cyclictest1267-21snmpd07:13:497
217581999120,1cyclictest0-21swapper/707:23:597
217581999120,10cyclictest1267-21snmpd08:18:567
217581199120,1cyclictest0-21swapper/608:27:046
217581199120,12cyclictest0-21swapper/608:52:086
217580599129,2cyclictest2371160-21kworker/u16:2+flush-8:008:49:014
2175805991211,1cyclictest0-21swapper/412:14:404
2175805991211,1cyclictest0-21swapper/411:55:164
2175805991211,1cyclictest0-21swapper/411:13:294
2175805991211,1cyclictest0-21swapper/410:32:394
2175805991211,1cyclictest0-21swapper/409:54:304
2175805991211,1cyclictest0-21swapper/409:30:234
2175805991211,1cyclictest0-21swapper/409:22:594
217580599120,1cyclictest0-21swapper/411:50:514
217580599120,12cyclictest0-21swapper/411:20:074
217580599120,12cyclictest0-21swapper/410:41:394
217580599120,0cyclictest0-21swapper/409:59:244
217581999115,5cyclictest96-21ksoftirqd/708:38:527
217581999112,3cyclictest5750-21gmain08:14:447
217581999110,2cyclictest0-21swapper/707:03:577
217581199119,2cyclictest2649986-21kworker/u16:1+events_unbound10:58:486
2175811991110,1cyclictest0-21swapper/612:16:466
2175811991110,1cyclictest0-21swapper/611:37:406
2175811991110,1cyclictest0-21swapper/611:17:016
2175811991110,1cyclictest0-21swapper/610:49:166
2175811991110,1cyclictest0-21swapper/609:02:526
2175811991110,1cyclictest0-21swapper/608:57:306
2175811991110,1cyclictest0-21swapper/608:46:476
2175811991110,1cyclictest0-21swapper/607:32:316
217581199110,1cyclictest0-21swapper/608:05:386
217581199110,11cyclictest0-21swapper/608:17:376
217581199110,11cyclictest0-21swapper/607:40:246
217581199110,11cyclictest0-21swapper/607:24:386
217580599116,4cyclictest2331552-21ntpq08:18:584
2175805991110,1cyclictest0-21swapper/410:16:164
2175805991110,1cyclictest0-21swapper/409:02:194
2175805991110,1cyclictest0-21swapper/408:14:334
2175805991110,1cyclictest0-21swapper/407:57:414
2175805991110,1cyclictest0-21swapper/407:23:574
217580599110,1cyclictest0-21swapper/407:13:424
217580599110,11cyclictest0-21swapper/411:37:374
217580599110,11cyclictest0-21swapper/408:56:584
217580599110,11cyclictest0-21swapper/407:52:484
217581199109,1cyclictest0-21swapper/611:56:266
217581199109,1cyclictest0-21swapper/607:14:146
217581199108,2cyclictest2093947-21kworker/u16:0+flush-8:008:38:526
217581199100,10cyclictest0-21swapper/607:04:286
217580599109,1cyclictest2341323-21smartctl08:24:014
217580599109,1cyclictest0-21swapper/412:29:484
217580599109,1cyclictest0-21swapper/410:37:044
217580599109,1cyclictest0-21swapper/410:09:014
217580599109,1cyclictest0-21swapper/410:06:394
217580599109,1cyclictest0-21swapper/409:42:314
217580599109,1cyclictest0-21swapper/407:39:434
217580599109,1cyclictest0-21swapper/407:18:454
217580599106,3cyclictest2482615-21cat09:33:504
217580599100,0cyclictest0-21swapper/408:43:344
21758119998,1cyclictest0-21swapper/612:28:556
21758119996,2cyclictest0-21swapper/607:43:546
21758059998,1cyclictest0-21swapper/409:44:534
21758059998,1cyclictest0-21swapper/409:44:534
21758059998,1cyclictest0-21swapper/407:29:094
21758059998,1cyclictest0-21swapper/407:06:174
21758059996,2cyclictest0-21swapper/409:03:534
21758059994,4cyclictest2347776-21kthreadcore08:28:534
21758119987,1cyclictest0-21swapper/610:07:496
21758119987,1cyclictest0-21swapper/609:19:446
21758119987,1cyclictest0-21swapper/608:31:486
21758119986,2cyclictest2673704-21kworker/u16:3+flush-8:011:28:296
21758119986,1cyclictest0-21swapper/607:53:466
21758119984,3cyclictest2285105-21wc07:58:456
21758119983,4cyclictest2847471-21cut12:03:536
21758119983,4cyclictest2759370-21cut11:28:516
21758119983,4cyclictest2542088-21cut09:58:456
21758059987,1cyclictest0-21swapper/408:33:384
21758059987,1cyclictest0-21swapper/408:09:494
21758059986,1cyclictest0-21swapper/407:43:534
21758059984,3cyclictest2238010-21tr07:33:484
21758059983,4cyclictest2699021-21sed11:03:514
21758059983,4cyclictest2699021-21sed11:03:514
21758119975,1cyclictest0-21swapper/608:08:476
21758119974,2cyclictest2409612-21cpuspeed09:03:456
21758119973,3cyclictest2238877-21kthreadcore07:33:516
21758119972,4cyclictest2638485-21cat10:38:466
21758119972,4cyclictest2266322-21expr07:48:456
21758059975,1cyclictest0-21swapper/411:58:514
21758059974,2cyclictest2433573-21cpu09:13:474
21758059973,3cyclictest2371281-21cat08:43:464
21758059973,3cyclictest2186711-21grep07:08:374
21758059960,2cyclictest2840512-21kworker/u16:3+nfsiod12:24:254
21758059960,2cyclictest2840512-21kworker/u16:3+nfsiod12:24:254
21758119950,5cyclictest0-21swapper/612:23:386
21758119950,5cyclictest0-21swapper/612:23:386
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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