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2026-01-01 - 14:38
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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 Thu Jan 01, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
334123425544,8sleep40-21swapper/407:08:084
334102925319,30sleep70-21swapper/707:05:157
334118024938,7sleep60-21swapper/607:07:226
333202124937,8sleep50-21swapper/507:03:445
3341561994741,5cyclictest3801006-21latency_hist11:03:397
3341548994442,2cyclictest3312678-21kworker/u16:3+flush-8:007:33:404
3341548994239,2cyclictest3539507-21kworker/u16:1+events_unbound09:03:544
3341548994239,2cyclictest3312678-21kworker/u16:3+flush-8:009:38:554
3341561993938,0cyclictest0-21swapper/712:18:557
3341548993836,2cyclictest3287418-21kworker/u16:1+events_unbound07:13:544
3341548993835,2cyclictest3481218-21kworker/u16:1+events_unbound08:18:534
3341561993736,0cyclictest0-21swapper/712:26:227
3341548993735,2cyclictest2634675-21kworker/u16:0+events_unbound07:43:544
3341548993734,2cyclictest3781296-21kworker/u16:2+events_unbound11:14:074
3341548993533,2cyclictest3781296-21kworker/u16:2+events_unbound10:59:104
3341548993533,2cyclictest3704100-21kworker/u16:0+events_unbound11:38:584
3341548993532,2cyclictest3791688-21kworker/u16:1+flush-8:011:04:064
3341548993532,2cyclictest3665631-21kworker/u16:1+flush-8:009:59:114
3341548993532,2cyclictest3539507-21kworker/u16:1+flush-8:009:23:554
3341561993433,0cyclictest0-21swapper/709:06:247
3341548993432,2cyclictest3685958-21kworker/u16:3+events_unbound10:09:104
3341561993332,0cyclictest0-21swapper/711:29:087
3341548993331,2cyclictest3675147-21kworker/u16:4+events_unbound10:54:114
3341548993331,2cyclictest3539507-21kworker/u16:1+events_unbound09:29:164
36885812320,0chrt3688583-21kthreadcore10:03:587
3341561993130,0cyclictest0-21swapper/708:27:517
3341548993129,2cyclictest3704100-21kworker/u16:0+events_unbound10:44:114
3341548993128,2cyclictest3927373-21kworker/u16:1+events_unbound12:28:544
3341548993128,2cyclictest3312678-21kworker/u16:3+flush-8:007:33:594
3341561993029,0cyclictest0-21swapper/712:12:317
3341561993029,0cyclictest0-21swapper/711:44:237
3341561993029,0cyclictest0-21swapper/711:36:227
3341548993028,2cyclictest3539507-21kworker/u16:1+flush-8:008:59:234
3341548993027,2cyclictest3781296-21kworker/u16:2+events_unbound11:28:514
3341548993027,2cyclictest3685958-21kworker/u16:3+flush-8:010:33:504
3341548993027,2cyclictest3539507-21kworker/u16:1+events_unbound08:53:544
3341561992928,0cyclictest0-21swapper/711:08:237
3341561992928,0cyclictest0-21swapper/710:18:277
3341561992928,0cyclictest0-21swapper/709:46:307
3341557992927,2cyclictest3916018-21kworker/u16:5+events_unbound12:15:416
3341557992927,2cyclictest3727642-21kworker/u16:1+flush-8:010:48:556
3341557992927,2cyclictest3665631-21kworker/u16:1+events_unbound09:59:286
3341557992927,2cyclictest3287418-21kworker/u16:1+flush-8:007:19:356
3341557992927,2cyclictest2634675-21kworker/u16:0+events_unbound08:02:036
3341548992927,2cyclictest3312678-21kworker/u16:3+events_unbound09:08:594
3341561992827,0cyclictest0-21swapper/711:52:227
3341561992827,0cyclictest0-21swapper/710:01:067
3341561992827,0cyclictest0-21swapper/709:37:237
3341561992825,2cyclictest3363731-21ntpq07:14:077
3341557992826,2cyclictest3312678-21kworker/u16:3+events_unbound07:56:366
3341548992826,2cyclictest3453127-21kworker/u16:4+flush-8:009:14:104
3341548992826,2cyclictest3312678-21kworker/u16:3+flush-8:008:24:114
3341548992825,2cyclictest3927373-21kworker/u16:1+events_unbound12:23:534
3341561992726,0cyclictest0-21swapper/710:32:517
3341561992726,0cyclictest0-21swapper/710:32:517
3341561992726,0cyclictest0-21swapper/709:00:277
3341557992725,2cyclictest3916018-21kworker/u16:5+events_unbound12:10:346
3341557992725,2cyclictest3908683-21kworker/u16:4+events_unbound12:08:276
3341557992725,2cyclictest3704100-21kworker/u16:0+events_unbound10:47:116
3341557992725,2cyclictest3675147-21kworker/u16:4+flush-8:010:23:556
3341557992725,2cyclictest3453127-21kworker/u16:4+flush-8:009:07:426
3341557992725,2cyclictest3312678-21kworker/u16:3+events_unbound08:36:586
3341557992725,2cyclictest3287418-21kworker/u16:1+events_unbound07:11:166
3341548992725,2cyclictest3312678-21kworker/u16:3+events_unbound09:33:584
3341561992625,0cyclictest0-21swapper/712:36:437
3341561992625,0cyclictest0-21swapper/711:57:547
3341561992625,0cyclictest0-21swapper/711:27:077
3341561992625,0cyclictest0-21swapper/710:35:277
3341557992624,2cyclictest3927373-21kworker/u16:1+events_unbound12:29:186
3341557992624,2cyclictest3781296-21kworker/u16:2+events_unbound11:54:216
3341557992624,2cyclictest3704100-21kworker/u16:0+events_unbound10:28:556
3341557992624,2cyclictest3704100-21kworker/u16:0+events_unbound10:28:556
3341557992624,2cyclictest3675147-21kworker/u16:4+events_unbound10:37:586
3341557992624,2cyclictest3539507-21kworker/u16:1+events_unbound09:24:006
3341557992624,2cyclictest3453127-21kworker/u16:4+events_unbound08:44:236
3341557992624,2cyclictest3393714-21kworker/u16:2+events_unbound07:41:246
3341557992624,2cyclictest3312678-21kworker/u16:3+events_unbound07:30:396
3341557992624,2cyclictest3287418-21kworker/u16:1+events_unbound07:18:086
3341557992624,2cyclictest2634675-21kworker/u16:0+events_unbound08:05:426
3341557992624,2cyclictest2634675-21kworker/u16:0+events_unbound07:52:036
3341548992624,2cyclictest3927373-21kworker/u16:1+events_unbound12:18:524
3341548992624,2cyclictest3453127-21kworker/u16:4+events_unbound09:19:054
3341548992624,2cyclictest3312678-21kworker/u16:3+events_unbound07:54:084
3341561992524,0cyclictest0-21swapper/711:15:397
3341561992524,0cyclictest0-21swapper/710:25:027
3341561992524,0cyclictest0-21swapper/709:39:227
3341561992524,0cyclictest0-21swapper/709:31:187
3341561992524,0cyclictest0-21swapper/707:36:237
3341561992524,0cyclictest0-21swapper/707:31:347
334156199250,23cyclictest3594610-21grep09:14:007
3341557992523,2cyclictest3916018-21kworker/u16:5+events_unbound12:00:596
3341557992523,2cyclictest3781296-21kworker/u16:2+events_unbound11:13:186
3341557992523,2cyclictest3675147-21kworker/u16:4+flush-8:010:53:566
3341557992523,2cyclictest3617087-21kworker/u16:2+events_unbound09:53:116
3341557992523,2cyclictest3539507-21kworker/u16:1+events_unbound09:11:436
3341557992523,2cyclictest3453127-21kworker/u16:4+events_unbound09:23:196
3341557992523,2cyclictest3393714-21kworker/u16:2+events_unbound07:36:316
3341548992523,2cyclictest3908683-21kworker/u16:4+flush-8:011:59:104
3341548992523,2cyclictest3704100-21kworker/u16:0+events_unbound11:54:034
3341548992523,2cyclictest3617087-21kworker/u16:2+events_unbound09:54:524
3341548992523,2cyclictest3453127-21kworker/u16:4+events_unbound08:49:094
3341548992520,2cyclictest3287418-21kworker/u16:1+flush-8:007:19:024
3341561992423,0cyclictest0-21swapper/709:56:247
3341557992422,2cyclictest3704100-21kworker/u16:0+events_unbound11:29:266
3341557992422,2cyclictest3606210-21kworker/u16:0+events_unbound09:43:156
3341557992422,2cyclictest3539507-21kworker/u16:1+events_unbound09:29:426
3341557992422,2cyclictest3539507-21kworker/u16:1+events_unbound08:53:156
3341557992422,2cyclictest3393714-21kworker/u16:2+events_unbound07:45:596
3341557992421,2cyclictest3791688-21kworker/u16:1+flush-8:011:23:556
3341548992423,1cyclictest3877565-21kworker/u16:1+events_unbound11:44:094
3341548992422,2cyclictest3916018-21kworker/u16:5+flush-8:012:14:094
3341548992422,2cyclictest3781296-21kworker/u16:2+events_unbound11:19:514
3341548992422,2cyclictest3704100-21kworker/u16:0+events_unbound11:09:104
3341548992422,2cyclictest3617087-21kworker/u16:2+events_unbound10:03:524
3341548992421,2cyclictest3312678-21kworker/u16:3+events_unbound07:58:514
3341561992322,0cyclictest0-21swapper/710:50:587
3341561992317,5cyclictest3616708-21latency_hist09:28:397
3341557992321,2cyclictest3946798-21kworker/u16:2+events_unbound12:34:466
3341557992321,2cyclictest3927373-21kworker/u16:1+events_unbound12:27:096
3341557992321,2cyclictest3916018-21kworker/u16:5+events_unbound12:20:076
3341557992321,2cyclictest3877565-21kworker/u16:1+events_unbound11:51:566
3341557992321,2cyclictest3877565-21kworker/u16:1+events_unbound11:46:246
3341557992321,2cyclictest3685958-21kworker/u16:3+events_unbound10:10:426
3341557992321,2cyclictest3606210-21kworker/u16:0+events_unbound09:44:436
3341557992321,2cyclictest3453127-21kworker/u16:4+events_unbound09:16:426
3341557992321,2cyclictest3453127-21kworker/u16:4+events_unbound08:54:436
3341557992321,2cyclictest3312678-21kworker/u16:3+events_unbound08:25:126
3341557992320,2cyclictest3781296-21kworker/u16:2+events_unbound11:33:406
3341548992321,2cyclictest3781296-21kworker/u16:2+events_unbound10:50:504
3341548992320,2cyclictest3312678-21kworker/u16:3+events_unbound08:28:434
3341561992222,0cyclictest0-21swapper/708:11:597
3341561992222,0cyclictest0-21swapper/708:11:597
3341561992221,0cyclictest0-21swapper/708:54:497
3341561992221,0cyclictest0-21swapper/708:33:077
3341561992221,0cyclictest0-21swapper/707:10:027
3341557992220,2cyclictest3791688-21kworker/u16:1+events_unbound11:03:166
3341557992220,2cyclictest3704100-21kworker/u16:0+events_unbound11:41:526
3341557992220,2cyclictest3685958-21kworker/u16:3+events_unbound10:20:526
3341557992220,2cyclictest3453127-21kworker/u16:4+flush-8:008:13:596
3341557992220,2cyclictest3312678-21kworker/u16:3+events_unbound08:41:006
3341548992220,2cyclictest3727642-21kworker/u16:1+events_unbound10:38:594
3341548992220,2cyclictest3287418-21kworker/u16:1+flush-8:007:24:104
3341548992220,2cyclictest2634675-21kworker/u16:0+events_unbound07:39:114
34894122210,1chrt3489413-21kthreadcore08:19:027
3341561992121,0cyclictest0-21swapper/708:52:597
3341561992120,0cyclictest0-21swapper/711:41:547
3341561992120,0cyclictest0-21swapper/710:42:477
3341561992120,0cyclictest0-21swapper/708:37:157
3341561992120,0cyclictest0-21swapper/707:39:157
3341561992115,5cyclictest3432491-21latency_hist07:53:417
3341557992119,2cyclictest3704100-21kworker/u16:0+events_unbound10:40:566
3341557992119,2cyclictest3685958-21kworker/u16:3+events_unbound10:16:286
3341557992119,2cyclictest3675147-21kworker/u16:4+flush-8:010:04:186
3341557992119,2cyclictest3606210-21kworker/u16:0+events_unbound09:58:256
3341548992119,2cyclictest3704100-21kworker/u16:0+events_unbound12:04:504
3341548992119,2cyclictest3704100-21kworker/u16:0+events_unbound10:28:574
3341548992119,2cyclictest3704100-21kworker/u16:0+events_unbound10:28:574
3341548992119,2cyclictest3675147-21kworker/u16:4+events_unbound10:19:144
3341548992119,2cyclictest3312678-21kworker/u16:3+events_unbound09:43:544
3341561992019,0cyclictest0-21swapper/712:16:267
3341561992019,0cyclictest0-21swapper/711:20:247
3341561992019,0cyclictest0-21swapper/709:51:397
3341557992018,2cyclictest3312678-21kworker/u16:3+events_unbound09:38:186
3341557992018,2cyclictest3312678-21kworker/u16:3+events_unbound08:32:366
3341557992018,2cyclictest3312678-21kworker/u16:3+events_unbound08:20:316
3341557992018,2cyclictest2634675-21kworker/u16:0+events_unbound07:27:046
3341548992018,2cyclictest3946798-21kworker/u16:2+events_unbound12:37:384
3341548992017,2cyclictest3617087-21kworker/u16:2+flush-8:009:48:504
3341561991919,0cyclictest0-21swapper/711:12:317
3341561991918,0cyclictest0-21swapper/710:56:427
3341561991918,0cyclictest0-21swapper/707:26:357
3341561991916,2cyclictest924-21NetworkManager12:31:587
3341561991914,4cyclictest650-21systemd-journal07:23:407
3341557991917,2cyclictest3781296-21kworker/u16:2+events_unbound11:22:086
3341557991917,2cyclictest3781296-21kworker/u16:2+events_unbound11:15:046
3341548991917,2cyclictest3453127-21kworker/u16:4+flush-8:008:44:044
3341548991917,2cyclictest3453127-21kworker/u16:4+events_unbound08:17:514
3341548991917,2cyclictest3341305-21kworker/u16:2+events_unbound07:08:424
3341548991917,2cyclictest3312678-21kworker/u16:3+flush-8:008:04:084
3341561991817,0cyclictest0-21swapper/709:12:597
3341561991817,0cyclictest0-21swapper/708:00:157
3341557991816,2cyclictest3453127-21kworker/u16:4+events_unbound08:10:006
3341557991816,2cyclictest3453127-21kworker/u16:4+events_unbound08:10:006
3341557991815,2cyclictest3453127-21kworker/u16:4+events_unbound08:58:496
3341548991816,2cyclictest3704100-21kworker/u16:0+events_unbound11:24:094
3341561991717,0cyclictest0-21swapper/708:41:267
3341561991716,0cyclictest0-21swapper/710:23:347
3341557991715,2cyclictest3791688-21kworker/u16:1+events_unbound11:06:366
3341548991715,2cyclictest3781296-21kworker/u16:2+events_unbound11:53:224
3341548991715,2cyclictest3312678-21kworker/u16:3+events_unbound07:49:324
334154899170,1cyclictest0-21swapper/412:10:004
334154899170,1cyclictest0-21swapper/410:24:324
334154899170,1cyclictest0-21swapper/410:15:194
334154899170,1cyclictest0-21swapper/408:41:074
334154899170,1cyclictest0-21swapper/408:10:234
334154899170,1cyclictest0-21swapper/408:10:234
3341561991615,0cyclictest0-21swapper/710:47:587
3341561991615,0cyclictest0-21swapper/709:18:417
3341561991615,0cyclictest0-21swapper/708:44:317
3341561991615,0cyclictest0-21swapper/707:58:157
3341561991613,2cyclictest1267-21snmpd12:02:447
334156199160,15cyclictest3703821-21sshd-session10:10:217
334154899160,1cyclictest0-21swapper/411:37:144
334154899160,1cyclictest0-21swapper/408:33:574
3341561991514,0cyclictest0-21swapper/708:05:227
334156199150,14cyclictest3422804-21turbostat07:48:407
3341552991513,2cyclictest3665631-21kworker/u16:1+flush-8:009:59:305
3341561991414,0cyclictest0-21swapper/708:18:127
3341561991313,0cyclictest0-21swapper/712:06:147
3341552991312,1cyclictest0-21swapper/508:13:545
3341552991312,1cyclictest0-21swapper/507:28:595
3341552991311,2cyclictest3287418-21kworker/u16:1+flush-8:007:13:425
334155299130,1cyclictest0-21swapper/510:14:315
334155299130,13cyclictest0-21swapper/509:09:245
334155299128,3cyclictest3907702-21packagekitd11:58:335
3341552991211,1cyclictest0-21swapper/509:45:405
3341552991211,1cyclictest0-21swapper/509:39:315
3341552991211,1cyclictest0-21swapper/509:21:235
3341552991211,1cyclictest0-21swapper/508:02:155
334155299120,1cyclictest0-21swapper/512:28:125
334155299120,1cyclictest0-21swapper/509:48:495
334155299120,1cyclictest0-21swapper/508:34:345
334155299120,1cyclictest0-21swapper/508:22:545
334155299120,12cyclictest0-21swapper/508:43:235
334155299120,0cyclictest0-21swapper/510:34:325
334155299118,3cyclictest3907702-21packagekitd11:58:545
334155299118,2cyclictest1041-21lldpd07:49:425
3341552991110,1cyclictest0-21swapper/512:20:485
3341552991110,1cyclictest0-21swapper/512:06:275
3341552991110,1cyclictest0-21swapper/511:53:225
3341552991110,1cyclictest0-21swapper/511:46:445
3341552991110,1cyclictest0-21swapper/511:36:485
3341552991110,1cyclictest0-21swapper/511:23:245
3341552991110,1cyclictest0-21swapper/511:16:285
3341552991110,1cyclictest0-21swapper/510:44:095
3341552991110,1cyclictest0-21swapper/510:04:255
3341552991110,1cyclictest0-21swapper/509:36:315
334155299110,11cyclictest0-21swapper/512:09:555
334155299110,11cyclictest0-21swapper/510:11:125
334155299109,1cyclictest0-21swapper/512:35:085
334155299109,1cyclictest0-21swapper/511:30:025
334155299109,1cyclictest0-21swapper/510:31:135
334155299109,1cyclictest0-21swapper/510:31:135
334155299109,1cyclictest0-21swapper/509:58:165
334155299109,1cyclictest0-21swapper/508:31:345
334155299109,1cyclictest0-21swapper/508:08:055
334155299109,1cyclictest0-21swapper/507:34:495
33415529998,1cyclictest0-21swapper/511:09:515
33415529998,1cyclictest0-21swapper/510:50:375
33415529998,1cyclictest0-21swapper/510:27:555
33415529998,1cyclictest0-21swapper/509:33:315
33415529998,1cyclictest0-21swapper/509:18:235
33415529998,1cyclictest0-21swapper/509:00:345
33415529998,1cyclictest0-21swapper/508:57:445
33415529998,1cyclictest0-21swapper/507:46:485
33415529998,1cyclictest0-21swapper/507:22:595
33415529987,1cyclictest0-21swapper/511:26:435
33415529987,1cyclictest0-21swapper/508:51:545
33415529987,1cyclictest0-21swapper/508:10:555
33415529987,1cyclictest0-21swapper/508:10:555
33415529987,1cyclictest0-21swapper/507:55:565
33415529985,2cyclictest3312678-21kworker/u16:3+flush-8:008:24:065
33415529976,1cyclictest0-21swapper/512:17:105
33415529976,1cyclictest0-21swapper/511:43:265
33415529976,1cyclictest0-21swapper/511:06:425
33415529976,1cyclictest0-21swapper/511:00:145
33415529976,1cyclictest0-21swapper/510:53:465
33415529976,1cyclictest0-21swapper/510:21:085
33415529976,1cyclictest0-21swapper/509:06:245
33415529972,4cyclictest3342138-21cat07:08:525
33415529965,1cyclictest0-21swapper/509:24:135
33415529963,2cyclictest3413101-21turbostat07:43:405
33415529963,2cyclictest1041-21lldpd10:39:425
33415529960,2cyclictest0-21swapper/508:43:445
33415529960,1cyclictest0-21swapper/512:32:125
33415529950,1cyclictest0-21swapper/507:23:545
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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