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2025-12-08 - 02:13
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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 Mon Dec 08, 2025 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3792846995853,4cyclictest76423-21latency_hist07:17:297
3792846995046,2cyclictest3846177-21ntpq03:43:007
379253824939,7sleep50-21swapper/503:22:235
3792841994745,2cyclictest237415-21kworker/u16:0+events_unbound08:41:316
379226224737,7sleep40-21swapper/403:18:374
3792846994443,0cyclictest0-21swapper/704:37:597
379251024333,7sleep60-21swapper/603:22:006
3792841994139,2cyclictest3816923-21kworker/u16:3+events_unbound03:43:046
3792840994036,3cyclictest4098547-21kworker/u16:2+flush-8:006:57:455
37925312395,30sleep70-21swapper/703:22:177
3792846993837,0cyclictest0-21swapper/706:44:067
379284699380,36cyclictest36149-21latency_hist06:57:297
3792841993835,2cyclictest3846972-21kworker/u16:4+flush-8:005:22:556
3792846993730,5cyclictest589235-21systemd-journal05:52:297
379284699370,35cyclictest589235-21systemd-journal08:51:387
3792841993735,2cyclictest4168955-21kworker/u16:3+events_unbound06:36:406
3792846993635,0cyclictest0-21swapper/706:24:557
3792840993635,1cyclictest3370647-21kworker/u16:8+events_unbound03:32:465
3792846993534,0cyclictest0-21swapper/707:38:397
3792846993534,0cyclictest0-21swapper/706:27:397
3792846993433,0cyclictest0-21swapper/704:31:497
3792841993432,2cyclictest4068465-21kworker/u16:1+flush-8:005:42:316
3792841993432,2cyclictest3846972-21kworker/u16:4+events_unbound05:18:596
3792846993332,0cyclictest0-21swapper/708:42:577
3792846993332,0cyclictest0-21swapper/704:32:407
3792841993331,2cyclictest3846911-21kworker/u16:2+flush-8:003:47:576
3792841993331,2cyclictest227204-21kworker/u16:1+events_unbound08:36:266
3792841993331,2cyclictest207157-21kworker/u16:3+flush-8:008:31:556
3792846993231,0cyclictest0-21swapper/707:05:127
3792846993231,0cyclictest0-21swapper/703:24:467
3792841993230,2cyclictest4138846-21kworker/u16:1+events_unbound06:10:486
3792846993130,0cyclictest0-21swapper/706:47:317
3792841993129,2cyclictest86339-21kworker/u16:0+events_unbound07:41:396
3792841993129,2cyclictest5313-21kworker/u16:1+events_unbound07:58:026
3792841993129,2cyclictest4168955-21kworker/u16:3+events_unbound07:26:056
3792841993129,2cyclictest4098547-21kworker/u16:2+events_unbound06:56:446
3792841993129,2cyclictest4027913-21kworker/u16:0+events_unbound06:06:446
3792841993129,2cyclictest3877082-21kworker/u16:1+flush-8:004:15:316
3792841993129,2cyclictest3816827-21kworker/u16:1+events_unbound03:32:196
3792841993129,2cyclictest186906-21kworker/u16:2+flush-8:008:19:206
3792840993129,2cyclictest4098547-21kworker/u16:2+flush-8:005:57:555
3792840993129,2cyclictest3947682-21kworker/u16:2+flush-8:004:37:455
3792846993029,0cyclictest0-21swapper/708:32:307
3792841993028,2cyclictest86339-21kworker/u16:0+flush-8:007:34:436
3792841993028,2cyclictest5313-21kworker/u16:1+flush-8:006:48:596
3792841993028,2cyclictest4168955-21kworker/u16:3+events_unbound06:32:076
3792841993028,2cyclictest4098547-21kworker/u16:2+events_unbound07:11:556
3792841993028,2cyclictest4098547-21kworker/u16:2+events_unbound05:49:446
3792841993028,2cyclictest4038693-21kworker/u16:6+events_unbound05:42:076
3792841993028,2cyclictest4027913-21kworker/u16:0+events_unbound06:19:116
3792841993028,2cyclictest3877082-21kworker/u16:1+events_unbound04:48:086
3792841993028,2cyclictest3877082-21kworker/u16:1+events_unbound04:02:236
3792841993028,2cyclictest246439-21kworker/u16:5+events_unbound08:50:116
3792841993028,2cyclictest186906-21kworker/u16:2+flush-8:008:22:576
3792841993028,2cyclictest156713-21kworker/u16:2+events_unbound08:02:396
3792840993028,2cyclictest3896478-21kworker/u16:2+flush-8:004:27:595
3792846992928,0cyclictest0-21swapper/706:12:457
3792846992928,0cyclictest0-21swapper/705:57:397
3792846992928,0cyclictest0-21swapper/704:53:557
3792841992927,2cyclictest5313-21kworker/u16:1+events_unbound07:54:236
3792841992927,2cyclictest4098547-21kworker/u16:2+events_unbound06:02:116
3792841992927,2cyclictest4038693-21kworker/u16:6+flush-8:005:32:116
3792841992927,2cyclictest3958196-21kworker/u16:5+events_unbound04:43:526
3792841992927,2cyclictest3877082-21kworker/u16:1+events_unbound04:09:236
3792841992927,2cyclictest3846972-21kworker/u16:4+events_unbound04:59:236
3792841992927,2cyclictest116339-21kworker/u16:3+events_unbound08:12:046
3792840992927,2cyclictest4038693-21kworker/u16:6+events_unbound06:12:035
3792840992927,2cyclictest4038693-21kworker/u16:6+events_unbound05:52:525
3792840992927,2cyclictest4027913-21kworker/u16:0+flush-8:005:32:555
3792841992826,2cyclictest4168955-21kworker/u16:3+flush-8:007:05:076
3792841992826,2cyclictest3846972-21kworker/u16:4+events_unbound04:37:316
3792841992826,2cyclictest3816827-21kworker/u16:1+events_unbound03:41:486
3792840992826,2cyclictest186906-21kworker/u16:2+flush-8:008:23:015
379284699270,25cyclictest136850-21latency_hist07:47:297
3792841992725,2cyclictest4168955-21kworker/u16:3+events_unbound07:19:206
3792841992725,2cyclictest4098547-21kworker/u16:2+events_unbound06:46:306
3792841992725,2cyclictest4038693-21kworker/u16:6+flush-8:005:56:156
3792841992725,2cyclictest3896478-21kworker/u16:2+flush-8:004:23:556
3792841992725,2cyclictest3877082-21kworker/u16:1+events_unbound04:55:446
3792841992725,2cyclictest3846972-21kworker/u16:4+flush-8:005:14:456
3792841992725,2cyclictest246439-21kworker/u16:5+flush-8:008:43:406
3792841992724,2cyclictest3997893-21kworker/u16:2+flush-8:005:02:346
3792840992725,2cyclictest4138846-21kworker/u16:1+flush-8:006:12:595
3792840992725,2cyclictest4098547-21kworker/u16:2+events_unbound06:37:275
3792840992725,2cyclictest4027913-21kworker/u16:0+events_unbound06:24:085
3792846992625,0cyclictest0-21swapper/705:19:017
3792846992625,0cyclictest0-21swapper/704:19:397
3792846992625,0cyclictest0-21swapper/704:11:487
3792846992621,4cyclictest46182-21latency_hist07:02:297
3792841992624,2cyclictest86339-21kworker/u16:0+events_unbound07:28:596
3792841992624,2cyclictest5313-21kworker/u16:1+events_unbound07:01:556
3792841992624,2cyclictest4168955-21kworker/u16:3+flush-8:007:17:196
3792841992624,2cyclictest4098547-21kworker/u16:2+events_unbound06:39:036
3792841992624,2cyclictest4027913-21kworker/u16:0+events_unbound06:26:306
3792841992624,2cyclictest186906-21kworker/u16:2+flush-8:008:13:586
3792840992624,2cyclictest4038693-21kworker/u16:6+flush-8:005:30:195
3792840992624,2cyclictest4027913-21kworker/u16:0+flush-8:006:17:455
3792840992624,2cyclictest156713-21kworker/u16:2+events_unbound07:56:325
3792841992523,2cyclictest3846972-21kworker/u16:4+events_unbound04:31:286
3792841992523,2cyclictest3836853-21kworker/u16:0+events_unbound03:57:006
3792841992523,2cyclictest3816923-21kworker/u16:3+events_unbound03:33:496
3792841992523,2cyclictest116339-21kworker/u16:3+events_unbound07:48:516
3792840992523,2cyclictest4098547-21kworker/u16:2+flush-8:006:38:405
3792840992523,2cyclictest4068465-21kworker/u16:1+flush-8:005:47:515
3792840992523,2cyclictest3997893-21kworker/u16:2+flush-8:005:12:555
3792840992523,2cyclictest3937598-21kworker/u16:0+flush-8:004:32:565
3792840992523,2cyclictest3877082-21kworker/u16:1+events_unbound04:51:515
3792840992523,2cyclictest3846911-21kworker/u16:2+events_unbound03:47:005
1455042250,1sleep50-21swapper/507:47:525
3792846992424,0cyclictest0-21swapper/708:15:157
3792846992423,0cyclictest0-21swapper/707:52:087
3792846992423,0cyclictest0-21swapper/706:35:407
3792846992423,0cyclictest0-21swapper/705:40:397
3792846992419,4cyclictest589235-21systemd-journal07:56:047
3792841992422,2cyclictest4038693-21kworker/u16:6+events_unbound06:13:276
3792841992422,2cyclictest3937598-21kworker/u16:0+events_unbound04:35:566
3792841992422,2cyclictest3877094-21kworker/u16:3+events_unbound04:03:216
3792841992422,2cyclictest3846972-21kworker/u16:4+events_unbound05:07:316
3792840992422,2cyclictest5313-21kworker/u16:1+flush-8:007:37:565
3792840992422,2cyclictest3877094-21kworker/u16:3+flush-8:004:02:575
3792840992422,2cyclictest3846972-21kworker/u16:4+flush-8:004:58:155
3792840992422,2cyclictest3846972-21kworker/u16:4+flush-8:003:57:445
3792840992422,2cyclictest26121-21kworker/u16:4+flush-8:006:56:275
3792846992322,0cyclictest0-21swapper/705:03:047
3792846992317,5cyclictest3816932-21latency_hist03:32:307
3792841992321,2cyclictest4027913-21kworker/u16:0+flush-8:005:34:316
3792841992321,2cyclictest3846972-21kworker/u16:4+events_unbound04:20:596
3792840992321,2cyclictest4168955-21kworker/u16:3+events_unbound07:25:435
3792840992321,2cyclictest4068465-21kworker/u16:1+events_unbound05:45:595
3792840992321,2cyclictest3877082-21kworker/u16:1+flush-8:004:17:575
3792840992321,2cyclictest3816923-21kworker/u16:3+flush-8:003:37:555
3792840992321,2cyclictest246439-21kworker/u16:5+events_unbound08:51:275
3792846992221,0cyclictest0-21swapper/708:27:307
3792846992221,0cyclictest0-21swapper/705:10:317
3792846992220,1cyclictest94005-21kthreadcore07:22:507
3792846992217,4cyclictest3887410-21latency_hist04:07:297
3792840992220,2cyclictest86339-21kworker/u16:0+flush-8:007:32:465
3792840992220,2cyclictest4098547-21kworker/u16:2+flush-8:006:42:595
3792840992220,2cyclictest4038693-21kworker/u16:6+flush-8:006:02:445
3792840992220,2cyclictest3846972-21kworker/u16:4+events_unbound05:02:585
3792840992220,2cyclictest186906-21kworker/u16:2+events_unbound08:15:165
3792840992220,2cyclictest116339-21kworker/u16:3+flush-8:008:07:295
3792846992121,0cyclictest0-21swapper/708:08:397
3792846992121,0cyclictest0-21swapper/705:55:557
3792846992120,0cyclictest0-21swapper/707:57:307
3792846992120,0cyclictest0-21swapper/705:01:087
3792840992119,2cyclictest4027913-21kworker/u16:0+flush-8:005:17:495
3792840992119,2cyclictest227204-21kworker/u16:1+flush-8:008:35:135
3792840992119,2cyclictest116339-21kworker/u16:3+flush-8:008:09:315
3792840992118,2cyclictest3877082-21kworker/u16:1+events_unbound04:12:345
3792846992019,0cyclictest0-21swapper/705:42:557
3792846992019,0cyclictest0-21swapper/703:54:457
3792841992018,2cyclictest96896-21kworker/u16:5+events_unbound07:44:026
3792840992018,2cyclictest86339-21kworker/u16:0+flush-8:007:45:465
3792840992018,2cyclictest5313-21kworker/u16:1+flush-8:008:00:045
3792840992018,2cyclictest5313-21kworker/u16:1+flush-8:007:17:505
3792840992018,2cyclictest4168955-21kworker/u16:3+flush-8:006:30:095
3792840992018,2cyclictest4098547-21kworker/u16:2+flush-8:007:12:465
3792840992018,2cyclictest3896478-21kworker/u16:2+events_unbound04:24:595
3792840992018,2cyclictest3877082-21kworker/u16:1+flush-8:004:55:355
3792840992018,2cyclictest3846972-21kworker/u16:4+events_unbound04:44:415
3792840992018,2cyclictest3836853-21kworker/u16:0+events_unbound03:55:345
3792840992018,2cyclictest3802688-21kworker/u16:0+flush-8:003:27:335
3792840992018,2cyclictest3792282-21kworker/u16:2+flush-8:003:22:555
3792840992018,2cyclictest186906-21kworker/u16:2+events_unbound08:32:005
3792846991917,1cyclictest0-21swapper/705:22:527
3792841991917,2cyclictest3752191-21kworker/u16:1+flush-8:003:23:036
3792840991917,2cyclictest5313-21kworker/u16:1+events_unbound07:08:005
3792840991917,2cyclictest3836853-21kworker/u16:0+flush-8:004:09:205
3792840991917,2cyclictest3836853-21kworker/u16:0+events_unbound03:51:465
3792846991817,0cyclictest0-21swapper/708:22:047
3792846991817,0cyclictest0-21swapper/707:10:137
3792846991817,0cyclictest0-21swapper/706:37:557
3792846991817,0cyclictest0-21swapper/704:47:477
3792846991817,0cyclictest0-21swapper/703:58:487
3792840991816,2cyclictest5313-21kworker/u16:1+events_unbound06:50:255
3792840991816,2cyclictest4038693-21kworker/u16:6+events_unbound05:40:495
3792840991815,2cyclictest26121-21kworker/u16:4+flush-8:007:02:385
3792846991717,0cyclictest0-21swapper/708:23:527
3792846991715,1cyclictest96-21ksoftirqd/706:07:567
3792846991714,2cyclictest4175659-21snmpd05:35:427
3792846991710,6cyclictest589235-21systemd-journal04:27:307
3792840991715,2cyclictest96896-21kworker/u16:5+flush-8:007:31:395
3792840991715,2cyclictest186906-21kworker/u16:2+flush-8:008:44:065
3792840991715,2cyclictest186906-21kworker/u16:2+flush-8:008:17:455
379283299179,7cyclictest0-21swapper/405:07:484
3792846991615,0cyclictest0-21swapper/704:42:447
379284699160,14cyclictest4175659-21snmpd03:33:127
3792846991515,0cyclictest0-21swapper/704:15:247
3792846991514,0cyclictest0-21swapper/703:51:327
3792840991513,2cyclictest4038692-21kworker/u16:5+flush-8:005:24:105
3792840991513,2cyclictest3877082-21kworker/u16:1+flush-8:005:08:135
3792832991512,2cyclictest3846972-21kworker/u16:4+flush-8:004:47:494
3792846991412,1cyclictest0-21swapper/707:21:177
3792846991411,2cyclictest4175659-21snmpd05:13:177
3792846991411,2cyclictest1222-21abrt-dump-journ07:30:597
3792832991412,2cyclictest186906-21kworker/u16:2+events_unbound08:32:434
3792832991411,2cyclictest3823173-21tr03:32:524
379283299140,1cyclictest0-21swapper/408:04:544
379283299140,1cyclictest0-21swapper/406:35:254
379283299140,1cyclictest0-21swapper/405:21:294
379283299140,13cyclictest3913844-21cut04:17:514
379283299140,13cyclictest0-21swapper/408:37:444
379283299140,12cyclictest0-21swapper/404:38:084
379283299139,3cyclictest4168955-21kworker/u16:3+flush-8:006:27:584
379283299139,3cyclictest3848287-21cat03:47:464
3792832991312,1cyclictest0-21swapper/408:27:594
3792832991311,2cyclictest0-21swapper/407:54:434
3792832991310,3cyclictest0-21swapper/405:12:494
379283299130,6cyclictest0-21swapper/407:57:444
379283299130,1cyclictest0-21swapper/404:26:094
379283299130,12cyclictest4066912-21cut05:32:524
379283299130,11cyclictest0-21swapper/405:44:304
379283299130,10cyclictest41035611kthreadcore05:52:494
379283299130,0cyclictest0-21swapper/407:06:194
379283299130,0cyclictest0-21swapper/406:59:334
379283299130,0cyclictest0-21swapper/406:51:494
379283299130,0cyclictest0-21swapper/406:16:114
379283299130,0cyclictest0-21swapper/406:06:344
379283299130,0cyclictest0-21swapper/404:44:554
379284699129,2cyclictest976-21in:imjournal06:02:307
379284699129,2cyclictest4175659-21snmpd08:41:257
379284699129,2cyclictest4175659-21snmpd05:30:007
3792840991210,2cyclictest227204-21kworker/u16:1+events_unbound08:40:525
379283299127,4cyclictest0-21swapper/403:57:464
379283299124,6cyclictest4192942-21kthreadcore06:37:484
379283299123,8cyclictest4156375-21tr06:17:514
379283299123,8cyclictest4069612-21expr05:37:434
3792832991210,2cyclictest0-21swapper/408:09:134
3792832991210,2cyclictest0-21swapper/404:09:084
379283299120,12cyclictest0-21swapper/404:07:244
379284699118,2cyclictest4175659-21snmpd08:06:277
379284699118,2cyclictest4175659-21snmpd03:40:377
3792846991110,1cyclictest0-21swapper/706:17:557
3792846991110,0cyclictest0-21swapper/707:32:347
379283299119,2cyclictest0-21swapper/403:55:344
379283299118,3cyclictest0-21swapper/407:47:564
379283299118,2cyclictest0-21swapper/408:47:474
379283299114,6cyclictest0-21swapper/406:22:454
379283299113,7cyclictest98652-21cut07:27:474
379283299113,7cyclictest4096077-21cut05:47:504
379283299113,7cyclictest4054702-21cut05:27:504
379283299112,8cyclictest3987167-21sensors04:53:014
379283299112,8cyclictest3830303-21cat03:37:494
379283299112,8cyclictest3797625-21kthreadcore03:22:554
379283299112,8cyclictest117552-21expr07:37:444
3792832991110,1cyclictest0-21swapper/408:19:284
3792832991110,1cyclictest0-21swapper/407:22:344
3792832991110,1cyclictest0-21swapper/404:36:244
379283299110,9cyclictest26277-21tr06:52:424
379283299110,11cyclictest0-21swapper/403:31:084
379283299110,10cyclictest3846928-21chrt03:45:214
379283299103,6cyclictest6105-21expr06:42:434
379283299103,6cyclictest3988677-21expr04:57:444
379283299102,7cyclictest79490-21cat07:17:534
379283299102,7cyclictest69735-21cut07:12:484
379283299102,7cyclictest4138157-21ntpq06:07:534
379283299102,7cyclictest4112655-21cut05:57:494
379283299100,9cyclictest57662-21irqcore07:07:474
379283299100,9cyclictest4043027-21kthreadcore05:22:504
379283299100,9cyclictest4000331-21grep05:02:484
379283299100,9cyclictest3928030-21chrt04:27:434
379283299100,9cyclictest3897883-21grep04:12:424
379283299100,9cyclictest187781-21cpuspeed_turbos08:12:454
379283299100,9cyclictest131644-21kthreadcore07:42:504
379283299100,9cyclictest108323-21cut07:32:474
379283299100,8cyclictest247986-21cpu08:42:394
379283299100,8cyclictest207724-21grep08:22:404
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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