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2026-09-17 - 23:08
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Thu Sep 17, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6886582640,1sleep7688660-21kthreadcore08:29:527
52252125848,7sleep50-21swapper/507:08:185
52252125848,7sleep50-21swapper/507:08:185
52253225521,29sleep70-21swapper/707:08:287
52253225521,29sleep70-21swapper/707:08:287
52249024030,7sleep40-21swapper/407:07:534
52249024030,7sleep40-21swapper/407:07:534
5947582390,0sleep7594759-21cut07:44:337
522906993831,5cyclictest645-21systemd-journal09:29:337
522896993836,2cyclictest759757-21kworker/u16:1+events_unbound09:18:475
522896993836,2cyclictest1154654-21kworker/u16:5+events_unbound12:04:365
522896993735,2cyclictest895571-21kworker/u16:5+events_unbound10:13:285
522896993735,2cyclictest707539-21kworker/u16:0+events_unbound09:29:165
522896993735,2cyclictest1142363-21kworker/u16:1+events_unbound12:01:275
522896993735,2cyclictest1006862-21kworker/u16:3+events_unbound11:22:475
522896993634,2cyclictest663529-21kworker/u16:2+flush-8:009:23:555
522896993634,2cyclictest1213747-21kworker/u16:0+flush-8:012:13:505
522896993634,2cyclictest1105760-21kworker/u16:4+events_unbound11:45:275
522896993634,2cyclictest1080788-21kworker/u16:0+events_unbound11:32:595
522896993634,2cyclictest1006753-21kworker/u16:2+events_unbound10:50:075
522896993632,2cyclictest1105760-21kworker/u16:4+events_unbound11:41:035
522896993533,2cyclictest931247-21kworker/u16:1+events_unbound10:28:315
522896993533,2cyclictest917108-21kworker/u16:0+events_unbound11:03:115
522896993533,2cyclictest917108-21kworker/u16:0+events_unbound11:03:115
522896993533,2cyclictest917108-21kworker/u16:0+events_unbound10:37:275
522896993533,2cyclictest809469-21kworker/u16:4+events_unbound09:40:355
522896993533,2cyclictest759757-21kworker/u16:1+events_unbound09:13:565
522896993533,2cyclictest663529-21kworker/u16:2+events_unbound09:52:515
522896993533,2cyclictest1213747-21kworker/u16:0+events_unbound12:33:305
522896993533,2cyclictest1154654-21kworker/u16:5+events_unbound11:53:505
522896993533,2cyclictest1142364-21kworker/u16:2+flush-8:012:20:195
522896993533,2cyclictest1080788-21kworker/u16:0+events_unbound11:35:475
522896993533,2cyclictest1080788-21kworker/u16:0+events_unbound11:25:515
522896993533,2cyclictest1066047-21kworker/u16:1+events_unbound11:15:595
522896993432,2cyclictest917108-21kworker/u16:0+events_unbound10:30:545
522896993432,2cyclictest870909-21kworker/u16:3+events_unbound10:05:085
522896993432,2cyclictest707539-21kworker/u16:0+events_unbound09:56:245
522896993432,2cyclictest707539-21kworker/u16:0+events_unbound09:32:305
522896993432,2cyclictest1142364-21kworker/u16:2+events_unbound12:38:355
522896993432,2cyclictest1142364-21kworker/u16:2+events_unbound12:26:515
522896993432,2cyclictest1006753-21kworker/u16:2+events_unbound10:58:555
522896993331,2cyclictest944997-21kworker/u16:4+events_unbound10:43:285
522896993331,2cyclictest917108-21kworker/u16:0+events_unbound10:15:395
522896993331,2cyclictest870909-21kworker/u16:3+flush-8:010:20:115
522896993331,2cyclictest870909-21kworker/u16:3+flush-8:010:20:115
522896993331,2cyclictest1006862-21kworker/u16:3+events_unbound11:55:105
522892993331,2cyclictest1213747-21kworker/u16:0+flush-8:012:35:434
522896993230,2cyclictest809469-21kworker/u16:4+flush-8:010:00:325
522896993230,2cyclictest1213747-21kworker/u16:0+events_unbound12:15:355
52258923221,8sleep60-21swapper/607:09:156
52258923221,8sleep60-21swapper/607:09:156
522896993129,2cyclictest944997-21kworker/u16:4+events_unbound10:48:275
522896993129,2cyclictest809469-21kworker/u16:4+events_unbound09:36:035
522896993129,2cyclictest707539-21kworker/u16:0+events_unbound09:47:525
522896993129,2cyclictest1006862-21kworker/u16:3+events_unbound11:05:355
522896993128,2cyclictest474022-21kworker/u16:2+events_unbound07:49:365
522906993024,5cyclictest771963-21latency_hist09:14:337
522896993028,2cyclictest1006862-21kworker/u16:3+events_unbound11:13:305
522906992922,5cyclictest645-21systemd-journal12:09:327
522896992826,2cyclictest624715-21kworker/u16:0+events_unbound08:14:455
522896992826,2cyclictest624715-21kworker/u16:0+events_unbound08:14:455
522906992726,0cyclictest0-21swapper/710:59:477
522906992726,0cyclictest0-21swapper/710:59:477
522906992726,0cyclictest0-21swapper/710:21:087
522906992726,0cyclictest0-21swapper/710:21:087
522896992724,2cyclictest614253-21kworker/u16:4+events_unbound07:54:435
522896992724,2cyclictest449141-21kworker/u16:1+events_unbound07:09:365
522892992724,3cyclictest809469-21kworker/u16:4+flush-8:009:30:484
522906992624,1cyclictest858900-21ssh09:49:387
522896992624,2cyclictest663529-21kworker/u16:2+events_unbound08:34:455
522896992623,2cyclictest565599-21kworker/u16:3+events_unbound07:44:355
522896992523,2cyclictest663529-21kworker/u16:2+events_unbound08:59:585
522896992523,2cyclictest624715-21kworker/u16:0+events_unbound08:07:435
522896992523,2cyclictest614253-21kworker/u16:4+events_unbound08:53:075
522896992523,2cyclictest474022-21kworker/u16:2+flush-8:007:34:325
522900992420,3cyclictest809469-21kworker/u16:4+flush-8:009:34:446
522900992420,3cyclictest474022-21kworker/u16:2+flush-8:007:19:506
522896992422,2cyclictest546261-21kworker/u16:0+events_unbound07:35:075
522892992422,2cyclictest944997-21kworker/u16:4+events_unbound10:37:334
522906992322,0cyclictest0-21swapper/711:43:487
522906992322,0cyclictest0-21swapper/708:38:087
522906992321,1cyclictest1118004-21ssh11:34:377
522906992319,2cyclictest917025-21ssh10:09:567
522900992321,2cyclictest1142364-21kworker/u16:2+flush-8:012:20:036
522896992320,2cyclictest663529-21kworker/u16:2+events_unbound08:54:335
522906992221,0cyclictest0-21swapper/709:45:117
522906992221,0cyclictest0-21swapper/708:58:207
522906992221,0cyclictest0-21swapper/708:01:497
522906992217,4cyclictest969515-21latency_hist10:34:327
522906992217,4cyclictest645-21systemd-journal11:24:337
522906992120,0cyclictest0-21swapper/707:21:037
522906992119,1cyclictest0-21swapper/707:29:587
522906992116,4cyclictest645-21systemd-journal07:09:347
522900992119,2cyclictest1006862-21kworker/u16:3+events_unbound11:59:476
522896992119,2cyclictest614253-21kworker/u16:4+flush-8:008:10:435
522896992119,2cyclictest614253-21kworker/u16:4+events_unbound09:07:275
522906992018,1cyclictest0-21swapper/709:40:017
522906992018,1cyclictest0-21swapper/708:19:487
522906992018,1cyclictest0-21swapper/708:09:477
52290699200,18cyclictest1228228-21ssh12:18:587
522900992017,2cyclictest1006753-21kworker/u16:2+flush-8:011:14:496
522906991918,0cyclictest0-21swapper/709:06:237
522906991918,0cyclictest0-21swapper/708:45:557
522906991918,0cyclictest0-21swapper/707:17:337
522900991917,2cyclictest474022-21kworker/u16:2+flush-8:007:59:336
522896991917,2cyclictest663529-21kworker/u16:2+events_unbound08:26:075
522896991917,2cyclictest449141-21kworker/u16:1+events_unbound07:19:155
522896991916,2cyclictest663529-21kworker/u16:2+events_unbound08:39:365
522906991817,0cyclictest0-21swapper/708:27:167
522906991817,0cyclictest0-21swapper/707:45:597
52290699181,15cyclictest781036-21ssh09:14:567
522900991816,2cyclictest917108-21kworker/u16:0+events_unbound11:05:026
52290099180,17cyclictest0-21swapper/612:04:556
522896991815,2cyclictest546261-21kworker/u16:0+flush-8:007:39:395
522892991816,2cyclictest1006753-21kworker/u16:2+events_unbound10:59:204
522906991716,0cyclictest0-21swapper/709:24:217
522906991716,0cyclictest0-21swapper/709:02:387
522906991716,0cyclictest0-21swapper/708:39:487
522906991716,0cyclictest0-21swapper/708:18:367
522906991716,0cyclictest0-21swapper/708:18:367
522906991715,1cyclictest0-21swapper/712:09:407
522900991714,3cyclictest1006753-21kworker/u16:2+flush-8:010:55:036
522896991716,1cyclictest624715-21kworker/u16:0+events_unbound08:34:145
522896991715,2cyclictest556233-21kworker/u16:1+events_unbound07:29:075
522896991714,2cyclictest474022-21kworker/u16:2+events_unbound07:19:365
522892991714,2cyclictest1080788-21kworker/u16:0+flush-8:011:40:174
52289299170,1cyclictest0-21swapper/410:14:564
522906991615,0cyclictest0-21swapper/710:05:107
522906991615,0cyclictest0-21swapper/708:06:037
52290699160,14cyclictest0-21swapper/710:35:007
522900991614,1cyclictest0-21swapper/607:34:446
522896991614,2cyclictest624715-21kworker/u16:0+events_unbound08:01:285
522892991614,1cyclictest651978-21ntpq08:09:574
522906991515,0cyclictest0-21swapper/708:53:587
522906991514,0cyclictest0-21swapper/711:55:287
522906991514,0cyclictest0-21swapper/707:55:477
522906991514,0cyclictest0-21swapper/707:38:197
522906991514,0cyclictest0-21swapper/707:28:407
522906991512,2cyclictest6434-21gnome-software09:29:367
522906991511,3cyclictest1274-21snmpd11:11:517
52290699150,1cyclictest0-21swapper/711:04:567
522900991512,2cyclictest917704-21uptime10:10:026
52290099150,14cyclictest0-21swapper/611:09:556
522896991513,2cyclictest707539-21kworker/u16:0+events_unbound08:48:005
522892991513,1cyclictest0-21swapper/407:14:374
52289299150,15cyclictest0-21swapper/412:16:044
52289299150,15cyclictest0-21swapper/411:49:064
522906991413,0cyclictest0-21swapper/711:17:597
522906991413,0cyclictest0-21swapper/710:14:547
52290099147,6cyclictest707539-21kworker/u16:0+events_unbound09:29:466
522900991412,2cyclictest707539-21kworker/u16:0+events_unbound09:19:446
52290099140,1cyclictest0-21swapper/608:14:566
52290099140,1cyclictest0-21swapper/608:14:566
522896991412,2cyclictest663529-21kworker/u16:2+events_unbound08:23:075
522892991413,1cyclictest0-21swapper/410:08:034
522892991413,1cyclictest0-21swapper/409:37:464
522892991413,1cyclictest0-21swapper/409:24:414
52289299140,1cyclictest0-21swapper/410:40:124
52289299140,14cyclictest0-21swapper/412:23:294
52289299140,14cyclictest0-21swapper/412:06:464
52289299140,14cyclictest0-21swapper/411:12:224
52289299140,14cyclictest0-21swapper/410:22:054
52289299140,14cyclictest0-21swapper/410:22:054
52290699139,3cyclictest1274-21snmpd10:56:187
52290699139,3cyclictest1274-21snmpd10:46:517
522906991313,0cyclictest0-21swapper/712:04:277
522906991310,2cyclictest953940-21ntpq10:24:567
522906991310,2cyclictest1274-21snmpd12:38:087
522900991312,1cyclictest0-21swapper/611:41:196
522900991312,1cyclictest0-21swapper/609:53:106
52290099130,1cyclictest0-21swapper/610:43:276
52290099130,1cyclictest0-21swapper/609:13:356
522892991312,1cyclictest0-21swapper/411:56:594
522892991312,1cyclictest0-21swapper/411:35:144
522892991312,1cyclictest0-21swapper/411:16:574
522892991312,1cyclictest0-21swapper/410:54:244
522892991312,1cyclictest0-21swapper/409:12:334
522892991312,1cyclictest0-21swapper/407:38:444
52289299130,1cyclictest0-21swapper/407:48:124
52289299130,13cyclictest0-21swapper/411:01:204
52289299130,13cyclictest0-21swapper/411:01:204
52289299130,13cyclictest0-21swapper/410:32:574
52289299130,13cyclictest0-21swapper/409:18:514
52289299130,13cyclictest0-21swapper/407:43:004
52290699129,2cyclictest1274-21snmpd11:20:307
52290699128,3cyclictest1274-21snmpd11:45:287
522906991211,0cyclictest0-21swapper/711:51:347
52290699120,11cyclictest0-21swapper/710:39:567
52290099128,3cyclictest557013-21cat07:24:476
522900991211,1cyclictest0-21swapper/612:32:526
522900991211,1cyclictest0-21swapper/610:38:256
522900991211,1cyclictest0-21swapper/610:05:566
522900991211,1cyclictest0-21swapper/609:49:046
522900991211,1cyclictest0-21swapper/609:40:236
522900991211,1cyclictest0-21swapper/609:28:346
522900991211,1cyclictest0-21swapper/607:33:196
522900991210,2cyclictest917108-21kworker/u16:0+events_unbound10:30:016
522900991210,2cyclictest1142364-21kworker/u16:2+flush-8:012:24:476
52290099120,12cyclictest0-21swapper/611:28:236
52290099120,0cyclictest0-21swapper/610:59:426
52290099120,0cyclictest0-21swapper/610:59:426
52290099120,0cyclictest0-21swapper/610:19:396
52290099120,0cyclictest0-21swapper/610:19:396
522892991211,1cyclictest0-21swapper/410:29:204
522892991211,1cyclictest0-21swapper/410:11:124
522892991211,1cyclictest0-21swapper/409:57:384
522892991211,1cyclictest0-21swapper/409:40:564
522892991211,1cyclictest0-21swapper/409:02:084
522892991210,2cyclictest1006753-21kworker/u16:2+events_unbound11:19:474
52289299120,1cyclictest0-21swapper/407:33:324
52289299120,12cyclictest0-21swapper/408:58:594
52289299120,12cyclictest0-21swapper/408:51:444
52289299120,12cyclictest0-21swapper/408:48:354
52289299120,12cyclictest0-21swapper/408:26:594
52289299120,12cyclictest0-21swapper/408:20:594
52289299120,12cyclictest0-21swapper/407:57:304
52290699118,2cyclictest1274-21snmpd11:31:137
52290699117,3cyclictest1274-21snmpd07:49:467
52290699115,5cyclictest905-21dbus-daemon10:51:177
52290699115,4cyclictest879944-21rm09:54:577
52290699112,8cyclictest1234-21tuned-ppd10:02:097
522906991110,1cyclictest0-21swapper/712:24:517
52290099119,2cyclictest565599-21kworker/u16:3+flush-8:007:59:436
52290099117,3cyclictest877194-21cut09:54:526
52290099115,5cyclictest0-21swapper/612:10:006
522900991110,1cyclictest0-21swapper/608:51:406
522900991110,1cyclictest0-21swapper/608:42:326
522900991110,1cyclictest0-21swapper/608:32:456
52290099110,4cyclictest1163474-21sed11:49:546
52290099110,3cyclictest1225018-21kthreadcore12:14:546
52290099110,11cyclictest0-21swapper/609:00:216
522892991110,1cyclictest0-21swapper/411:30:404
522892991110,1cyclictest0-21swapper/411:26:054
522892991110,1cyclictest0-21swapper/411:07:204
522892991110,1cyclictest0-21swapper/410:00:474
522892991110,1cyclictest0-21swapper/408:39:264
522892991110,1cyclictest0-21swapper/408:32:584
522892991110,1cyclictest0-21swapper/408:15:004
522892991110,1cyclictest0-21swapper/408:15:004
52289299110,0cyclictest0-21swapper/407:28:204
52290699108,1cyclictest0-21swapper/712:29:597
52290699108,1cyclictest0-21swapper/712:19:517
52290099109,1cyclictest0-21swapper/610:14:366
52290099109,1cyclictest0-21swapper/608:55:466
52290099109,1cyclictest0-21swapper/608:09:066
52290099108,2cyclictest917108-21kworker/u16:0+flush-8:010:44:476
52290099108,2cyclictest1154654-21kworker/u16:5+events_unbound11:54:466
52290099107,2cyclictest525795-21cat07:09:506
52290099107,2cyclictest0-21swapper/609:59:506
52290099106,3cyclictest1008013-21cat10:49:486
52290099105,4cyclictest1143727-21irqcore11:44:476
52290099102,3cyclictest1082876-21tr11:19:496
52290099100,9cyclictest1118181-21cat11:34:436
52289299109,1cyclictest0-21swapper/410:47:284
52289299109,1cyclictest0-21swapper/409:21:324
5229069990,8cyclictest1274-21snmpd09:35:467
5229009998,1cyclictest0-21swapper/608:24:246
5229009996,2cyclictest587421-21cut07:39:476
5229009995,3cyclictest945951-21tune2fs10:24:456
5229009995,3cyclictest773168-21fschecks_time09:14:466
5229009995,3cyclictest1105825-21cpuspeed11:29:446
5229009990,8cyclictest0-21swapper/612:34:496
5229009990,3cyclictest716606-21kthreadcore08:44:516
5228929998,1cyclictest0-21swapper/408:03:584
5228929996,2cyclictest0-21swapper/411:49:504
5229009986,2cyclictest565599-21kworker/u16:3+flush-8:007:50:036
5229009985,2cyclictest0-21swapper/608:24:456
5229009980,3cyclictest538151-21kthreadcore07:14:496
5229009980,2cyclictest643706-21cat08:09:456
5228929986,1cyclictest0-21swapper/412:24:524
5228929984,3cyclictest865870-21kthreadcore09:49:524
5228929983,4cyclictest753148-21grep09:04:514
5228929983,4cyclictest604974-21grep07:49:424
5228929983,4cyclictest553574-21cut07:19:534
5228929983,4cyclictest524046-21irqcore07:09:484
5228929983,4cyclictest1254228-21grep12:29:454
5228929983,4cyclictest1207189-21cut12:09:504
5228929983,4cyclictest1179932-21expr11:59:434
5229009973,3cyclictest751753-21cut09:04:506
5228929975,1cyclictest0-21swapper/408:39:504
5228929973,3cyclictest636146-21tr08:04:494
5229009960,6cyclictest0-21swapper/608:34:506
5229009960,1cyclictest0-21swapper/607:44:556
5228929950,4cyclictest846671-21cpu09:44:444
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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