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2026-08-19 - 17:33
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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 Aug 19, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77952421040,1sleep7779523-21ssh09:51:027
632489820,75rtkit-daemon0-21swapper/607:07:396
10351492710,1sleep71035150-21latency11:33:057
5067982650,0sleep686-21ksoftirqd/607:42:566
43263226050,7sleep50-21swapper/507:06:105
43265525217,30sleep70-21swapper/707:06:287
433022994946,3cyclictest1075697-21kworker/u16:3+flush-8:011:57:384
433039994544,0cyclictest0-21swapper/708:23:047
433022994443,1cyclictest669886-21kworker/u16:3+events_unbound10:53:204
43263124434,7sleep40-21swapper/407:06:094
433022994238,3cyclictest582205-21kworker/u16:0+flush-8:009:22:564
433022993935,3cyclictest987085-21kworker/u16:3+flush-8:011:27:384
43303999380,36cyclictest928000-21latency_hist10:52:387
433034993735,2cyclictest582205-21kworker/u16:0+events_unbound08:43:116
43303999360,34cyclictest660130-21latency_hist09:02:387
433039993530,4cyclictest1124366-21latency_hist12:12:387
433034993432,2cyclictest592033-21kworker/u16:1+events_unbound08:28:066
433034993431,2cyclictest582205-21kworker/u16:0+flush-8:008:32:536
433039993330,2cyclictest867884-21iostat10:27:547
433039993330,2cyclictest867884-21iostat10:27:547
433034993331,2cyclictest841291-21kworker/u16:2+events_unbound10:28:146
433034993331,2cyclictest841291-21kworker/u16:2+events_unbound10:28:146
433034993230,2cyclictest1062997-21kworker/u16:0+events_unbound12:33:066
433034993129,2cyclictest669886-21kworker/u16:3+events_unbound10:24:236
433022993129,2cyclictest912496-21kworker/u16:2+flush-8:010:43:084
6976492300,1chrt0-21swapper/509:17:585
433034993028,2cyclictest912496-21kworker/u16:2+events_unbound11:24:406
433034993028,2cyclictest582205-21kworker/u16:0+events_unbound08:53:076
433034993028,2cyclictest514457-21kworker/u16:3+events_unbound07:48:046
433026993026,3cyclictest817356-21kworker/u16:4+events_unbound10:16:305
433022993027,2cyclictest841291-21kworker/u16:2+flush-8:010:32:444
433039992928,0cyclictest0-21swapper/708:08:027
433034992927,2cyclictest669886-21kworker/u16:3+events_unbound10:00:586
433034992927,2cyclictest582205-21kworker/u16:0+events_unbound09:20:426
433034992927,2cyclictest1031195-21kworker/u16:1+flush-8:011:58:146
433034992926,2cyclictest669886-21kworker/u16:3+events_unbound09:27:396
433039992827,0cyclictest0-21swapper/710:21:027
433034992826,2cyclictest912496-21kworker/u16:2+flush-8:011:37:576
433034992826,2cyclictest465807-21kworker/u16:0+flush-8:008:00:326
433034992826,2cyclictest3666505-21kworker/u16:4+events_unbound07:26:546
433034992826,2cyclictest1062997-21kworker/u16:0+events_unbound11:51:506
433034992826,2cyclictest1062997-21kworker/u16:0+events_unbound11:51:506
433026992823,5cyclictest1062997-21kworker/u16:0+flush-8:012:27:375
433022992826,2cyclictest669886-21kworker/u16:3+flush-8:009:28:044
10244692280,1chrt1024467-21ssh11:29:287
9894102270,1chrt989409-21ssh11:17:347
433039992726,0cyclictest0-21swapper/712:28:547
433039992726,0cyclictest0-21swapper/712:28:547
433039992726,0cyclictest0-21swapper/711:58:117
433039992726,0cyclictest0-21swapper/708:44:297
433034992725,2cyclictest925762-21kworker/u16:1+events_unbound10:58:476
433034992725,2cyclictest925762-21kworker/u16:1+events_unbound10:56:056
433034992725,2cyclictest887939-21kworker/u16:0+flush-8:010:35:306
433034992725,2cyclictest742931-21kworker/u16:0+events_unbound09:37:036
433034992725,2cyclictest514457-21kworker/u16:3+events_unbound08:18:536
433022992724,2cyclictest582205-21kworker/u16:0+flush-8:009:02:564
433034992624,2cyclictest611973-21kworker/u16:3+events_unbound08:40:176
433034992624,2cyclictest592033-21kworker/u16:1+events_unbound09:55:266
433034992624,2cyclictest563450-21kworker/u16:4+events_unbound08:23:176
433034992624,2cyclictest465807-21kworker/u16:0+events_unbound07:28:536
433034992624,2cyclictest455978-21kworker/u16:2+events_unbound07:42:366
433034992624,2cyclictest1147869-21kworker/u16:1+events_unbound12:24:506
433034992623,2cyclictest912496-21kworker/u16:2+events_unbound11:12:476
433022992624,2cyclictest841291-21kworker/u16:2+flush-8:010:22:114
433039992524,0cyclictest0-21swapper/711:47:077
433039992524,0cyclictest0-21swapper/711:02:477
433039992524,0cyclictest0-21swapper/709:35:107
433034992523,2cyclictest925762-21kworker/u16:1+flush-8:011:06:036
433034992523,2cyclictest912496-21kworker/u16:2+events_unbound11:52:456
433034992523,2cyclictest669886-21kworker/u16:3+events_unbound09:24:216
433034992523,2cyclictest631113-21kworker/u16:4+events_unbound08:50:056
433034992523,2cyclictest582205-21kworker/u16:0+events_unbound09:10:036
433034992523,2cyclictest524542-21kworker/u16:1+events_unbound07:54:296
433034992523,2cyclictest465807-21kworker/u16:0+events_unbound08:09:236
433034992523,2cyclictest3666505-21kworker/u16:4+events_unbound07:15:286
433022992522,2cyclictest455978-21kworker/u16:2+flush-8:008:17:334
9661962240,1chrt0-21swapper/611:07:556
9661962240,1chrt0-21swapper/611:07:556
433039992423,0cyclictest0-21swapper/710:53:057
433039992423,0cyclictest0-21swapper/710:23:427
433039992423,0cyclictest0-21swapper/708:41:457
433039992423,0cyclictest0-21swapper/708:00:297
433039992423,0cyclictest0-21swapper/707:56:217
433034992422,2cyclictest912496-21kworker/u16:2+events_unbound10:51:316
433034992422,2cyclictest841291-21kworker/u16:2+flush-8:010:19:176
433034992422,2cyclictest779477-21kworker/u16:2+events_unbound09:52:306
433034992422,2cyclictest669886-21kworker/u16:3+events_unbound10:40:306
433034992422,2cyclictest669886-21kworker/u16:3+events_unbound09:47:296
433034992422,2cyclictest592033-21kworker/u16:1+flush-8:009:06:046
433034992422,2cyclictest465807-21kworker/u16:0+events_unbound08:06:056
433034992422,2cyclictest1031195-21kworker/u16:1+events_unbound12:06:186
433039992322,0cyclictest0-21swapper/709:17:277
433039992322,0cyclictest0-21swapper/708:56:237
433039992322,0cyclictest0-21swapper/707:48:067
433039992319,3cyclictest1161238-21idleruntime-cro12:27:377
433034992321,2cyclictest792682-21kworker/u16:0+events_unbound10:03:566
433034992321,2cyclictest669886-21kworker/u16:3+events_unbound09:13:346
433034992321,2cyclictest582205-21kworker/u16:0+events_unbound09:00:416
433039992221,0cyclictest0-21swapper/708:31:457
433034992220,2cyclictest805380-21kworker/u16:1+events_unbound10:10:506
433034992220,2cyclictest465807-21kworker/u16:0+events_unbound07:33:416
433034992220,2cyclictest432459-21kworker/u16:0+flush-8:007:10:456
433022992219,2cyclictest925762-21kworker/u16:1+flush-8:011:03:064
433039992120,0cyclictest0-21swapper/709:38:167
433039992120,0cyclictest0-21swapper/709:29:027
433039992120,0cyclictest0-21swapper/709:06:137
433039992120,0cyclictest0-21swapper/708:50:177
433039992120,0cyclictest0-21swapper/707:38:247
433039992120,0cyclictest0-21swapper/707:08:537
433039992119,1cyclictest0-21swapper/711:52:487
433039992116,4cyclictest475551-21latency_hist07:27:387
433034992119,2cyclictest514457-21kworker/u16:3+events_unbound08:17:356
433034992119,2cyclictest377993-21kworker/u16:1+events_unbound07:21:106
433034992119,2cyclictest1062997-21kworker/u16:0+events_unbound12:16:026
433022992119,2cyclictest1075697-21kworker/u16:3+flush-8:012:13:034
433022992117,3cyclictest611973-21kworker/u16:3+flush-8:008:38:044
433039992019,0cyclictest0-21swapper/712:17:247
433039992019,0cyclictest0-21swapper/710:59:107
433039992019,0cyclictest0-21swapper/708:14:087
433039992019,0cyclictest0-21swapper/707:35:247
433034992018,2cyclictest912496-21kworker/u16:2+events_unbound10:45:246
433034992018,2cyclictest792682-21kworker/u16:0+events_unbound10:13:346
433039991918,0cyclictest0-21swapper/709:19:447
433039991918,0cyclictest0-21swapper/707:21:167
433039991912,5cyclictest648-21systemd-journal10:16:297
433022991917,2cyclictest1062997-21kworker/u16:0+flush-8:012:07:334
433022991916,2cyclictest592033-21kworker/u16:1+flush-8:009:32:484
433022991915,3cyclictest524542-21kworker/u16:1+flush-8:007:53:044
433039991817,0cyclictest0-21swapper/709:57:507
433039991817,0cyclictest0-21swapper/708:06:137
433039991816,1cyclictest1012760-21ssh11:25:317
433039991813,3cyclictest669845-21diskmemload10:04:257
433034991816,2cyclictest912496-21kworker/u16:2+events_unbound11:36:066
433034991816,2cyclictest1031195-21kworker/u16:1+events_unbound11:45:396
433022991815,3cyclictest669886-21kworker/u16:3+flush-8:010:47:434
433022991815,2cyclictest925762-21kworker/u16:1+flush-8:011:12:434
433022991815,2cyclictest912496-21kworker/u16:2+flush-8:011:32:444
433039991716,0cyclictest0-21swapper/712:05:317
433039991716,0cyclictest0-21swapper/711:41:547
433039991716,0cyclictest0-21swapper/710:44:037
433039991716,0cyclictest0-21swapper/710:36:347
433039991716,0cyclictest0-21swapper/709:52:517
433039991712,4cyclictest648-21systemd-journal12:32:387
433034991715,2cyclictest912496-21kworker/u16:2+events_unbound11:18:216
433034991715,2cyclictest669886-21kworker/u16:3+events_unbound09:38:266
433026991713,3cyclictest669886-21kworker/u16:3+flush-8:010:42:385
9923032160,1chrt0-21swapper/511:17:565
433039991615,0cyclictest0-21swapper/711:49:147
433039991615,0cyclictest0-21swapper/711:49:147
433039991615,0cyclictest0-21swapper/711:19:437
433039991615,0cyclictest0-21swapper/710:11:477
433039991615,0cyclictest0-21swapper/707:29:587
433039991614,1cyclictest0-21swapper/709:10:427
433039991614,1cyclictest0-21swapper/707:44:007
433039991613,2cyclictest1302-21snmpd10:42:367
433039991611,4cyclictest707977-21cat09:22:557
433034991614,2cyclictest1147869-21kworker/u16:1+events_unbound12:28:036
433034991614,2cyclictest1147869-21kworker/u16:1+events_unbound12:28:036
433026991615,1cyclictest0-21swapper/510:56:205
433022991614,2cyclictest841292-21kworker/u16:5+events_unbound10:16:484
433022991614,2cyclictest455978-21kworker/u16:2+flush-8:007:43:084
433022991614,2cyclictest3666505-21kworker/u16:4+flush-8:007:27:344
433022991614,2cyclictest1062997-21kworker/u16:0+events_unbound11:48:094
433022991614,2cyclictest1062997-21kworker/u16:0+events_unbound11:48:094
433039991513,1cyclictest0-21swapper/711:09:027
433039991513,1cyclictest0-21swapper/711:09:027
433039991511,3cyclictest1302-21snmpd09:44:087
43303999150,14cyclictest6664-21sshd07:13:237
433034991512,2cyclictest912496-21kworker/u16:2+flush-8:011:32:386
433022991513,2cyclictest779477-21kworker/u16:2+flush-8:009:57:534
433039991412,1cyclictest0-21swapper/712:21:447
433026991413,1cyclictest0-21swapper/512:10:545
433026991413,1cyclictest0-21swapper/511:35:265
433026991413,1cyclictest0-21swapper/509:16:515
43302699140,1cyclictest0-21swapper/512:14:515
43302699140,1cyclictest0-21swapper/512:03:015
43302699140,1cyclictest0-21swapper/511:03:445
43302699140,14cyclictest0-21swapper/512:22:155
43302699140,14cyclictest0-21swapper/511:50:435
43302699140,14cyclictest0-21swapper/511:50:435
43302699140,14cyclictest0-21swapper/510:48:275
43302699140,14cyclictest0-21swapper/509:28:125
43302699140,13cyclictest0-21swapper/510:07:465
433022991413,1cyclictest0-21swapper/411:43:504
433022991412,2cyclictest925762-21kworker/u16:1+flush-8:011:12:384
433022991412,2cyclictest925762-21kworker/u16:1+flush-8:011:12:384
433022991412,2cyclictest582205-21kworker/u16:0+flush-8:008:43:084
433022991412,2cyclictest1147869-21kworker/u16:1+flush-8:012:23:214
433022991412,2cyclictest1075697-21kworker/u16:3+flush-8:011:58:224
43302299140,14cyclictest0-21swapper/411:39:254
43302299140,14cyclictest0-21swapper/410:42:304
43302299140,14cyclictest0-21swapper/409:14:504
433026991312,1cyclictest0-21swapper/511:59:055
433026991312,1cyclictest0-21swapper/511:28:585
433026991312,1cyclictest0-21swapper/511:25:305
433026991312,1cyclictest0-21swapper/511:15:055
433026991312,1cyclictest0-21swapper/511:00:165
433026991312,1cyclictest0-21swapper/509:43:295
433026991311,2cyclictest455978-21kworker/u16:2+flush-8:007:38:455
43302699130,13cyclictest0-21swapper/510:44:595
433022991312,1cyclictest0-21swapper/412:08:544
433022991310,2cyclictest3666505-21kworker/u16:4+events_unbound07:08:034
43302299130,13cyclictest0-21swapper/411:22:334
43302299130,13cyclictest0-21swapper/409:44:294
433039991212,0cyclictest0-21swapper/708:21:267
433034991211,1cyclictest0-21swapper/612:08:066
433026991211,1cyclictest0-21swapper/510:18:105
433026991211,1cyclictest0-21swapper/509:50:545
433026991211,1cyclictest0-21swapper/508:53:495
433026991211,1cyclictest0-21swapper/507:26:385
433026991211,1cyclictest0-21swapper/507:15:365
433026991210,2cyclictest0-21swapper/512:30:085
433026991210,2cyclictest0-21swapper/512:30:085
43302699120,1cyclictest0-21swapper/508:08:255
43302699120,12cyclictest0-21swapper/509:03:265
43302699120,12cyclictest0-21swapper/507:29:475
433022991211,1cyclictest0-21swapper/412:27:404
433022991211,1cyclictest0-21swapper/412:27:404
433022991211,1cyclictest0-21swapper/412:20:154
433022991210,2cyclictest582205-21kworker/u16:0+flush-8:008:57:394
433039991110,0cyclictest0-21swapper/708:32:427
43302699119,2cyclictest669886-21kworker/u16:3+flush-8:010:22:595
433026991110,1cyclictest0-21swapper/511:55:085
433026991110,1cyclictest0-21swapper/511:42:505
433026991110,1cyclictest0-21swapper/511:42:225
433026991110,1cyclictest0-21swapper/509:24:445
433026991110,1cyclictest0-21swapper/508:44:125
433026991110,1cyclictest0-21swapper/508:30:205
433026991110,1cyclictest0-21swapper/507:58:385
433026991110,1cyclictest0-21swapper/507:47:465
433026991110,1cyclictest0-21swapper/507:21:545
43302699110,11cyclictest0-21swapper/508:24:115
43302699110,11cyclictest0-21swapper/507:37:125
43302299119,2cyclictest669886-21kworker/u16:3+events_unbound09:38:124
433022991110,1cyclictest0-21swapper/410:08:464
433022991110,1cyclictest0-21swapper/409:51:534
433022991110,1cyclictest0-21swapper/408:24:044
433022991110,1cyclictest0-21swapper/408:03:064
43302299110,1cyclictest0-21swapper/407:39:374
43302299110,11cyclictest0-21swapper/407:33:474
43302299110,11cyclictest0-21swapper/407:13:454
43303499109,1cyclictest0-21swapper/612:20:246
43302699109,1cyclictest0-21swapper/512:34:055
43302699109,1cyclictest0-21swapper/510:28:355
43302699109,1cyclictest0-21swapper/510:28:355
43302699109,1cyclictest0-21swapper/509:39:335
43302699109,1cyclictest0-21swapper/508:51:185
43302699109,1cyclictest0-21swapper/508:17:345
43302699109,1cyclictest0-21swapper/507:54:325
43302699107,2cyclictest592033-21kworker/u16:1+flush-8:009:52:435
43302299100,1cyclictest0-21swapper/410:07:234
4330269999,0cyclictest0-21swapper/509:09:545
4330269998,1cyclictest0-21swapper/510:04:465
4330269998,1cyclictest0-21swapper/510:01:185
4330229998,1cyclictest0-21swapper/410:57:484
4330229998,1cyclictest0-21swapper/410:29:344
4330229998,1cyclictest0-21swapper/410:29:344
4330229998,1cyclictest0-21swapper/409:18:474
4330229998,1cyclictest0-21swapper/409:07:544
4330229998,1cyclictest0-21swapper/408:10:504
4330229998,1cyclictest0-21swapper/408:01:034
4330229998,1cyclictest0-21swapper/407:32:124
4330229996,2cyclictest987085-21kworker/u16:3+events_unbound11:27:404
4330269987,1cyclictest0-21swapper/511:08:095
4330269987,1cyclictest0-21swapper/511:08:095
4330269987,1cyclictest0-21swapper/508:36:295
4330229987,1cyclictest0-21swapper/412:35:334
4330229987,1cyclictest0-21swapper/410:26:064
4330229987,1cyclictest0-21swapper/408:30:134
4330269976,1cyclictest0-21swapper/508:02:445
4330269976,1cyclictest0-21swapper/507:43:305
4330269975,1cyclictest0-21swapper/507:07:565
4330229976,1cyclictest0-21swapper/407:21:384
638434260,4sleep40-21swapper/408:48:014
4330269965,1cyclictest0-21swapper/510:35:315
4330269963,2cyclictest7329972sleep509:32:585
4330269962,2cyclictest0-21swapper/508:41:585
4330229965,1cyclictest0-21swapper/408:59:524
4330229965,1cyclictest0-21swapper/408:17:554
4330229964,2cyclictest592033-21kworker/u16:1+flush-8:009:52:444
4330229960,1cyclictest0-21swapper/407:50:384
4330269950,5cyclictest0-21swapper/508:57:445
4330269950,5cyclictest0-21swapper/508:17:545
4330229950,4cyclictest602287-21taskset08:32:464
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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