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2026-08-09 - 17:00
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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
Characteristics of the 376 highest latencies:
System rack6slot0.osadl.org (updated Sun Aug 09, 2026 13:02:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3492992530,4cyclictest37257-21qemu-system-x8611:15:1719
3492992530,4cyclictest37257-21qemu-system-x8611:15:1619
3492992501,245cyclictest0-21swapper/2610:10:4819
3492992501,245cyclictest0-21swapper/2610:10:4819
3492992491,245cyclictest0-21swapper/2610:22:1119
3492992491,245cyclictest0-21swapper/2610:22:1019
3492992481,243cyclictest0-21swapper/2611:41:4219
3492992481,243cyclictest0-21swapper/2611:41:4219
3492992472,241cyclictest0-21swapper/2611:20:1819
3492992472,241cyclictest0-21swapper/2611:20:1719
3492992421,237cyclictest0-21swapper/2611:00:4419
3492992421,237cyclictest0-21swapper/2611:00:4319
3492992421,237cyclictest0-21swapper/2611:00:4319
3492992411,2cyclictest0-21swapper/2611:08:3119
3492992411,2cyclictest0-21swapper/2611:08:3119
3492992411,2cyclictest0-21swapper/2611:08:3019
3492992400,2cyclictest0-21swapper/2612:17:2819
3492992400,2cyclictest0-21swapper/2612:17:2719
3492992400,2cyclictest0-21swapper/2612:17:2719
3492992391,4cyclictest0-21swapper/2612:01:0119
3492992391,4cyclictest0-21swapper/2612:01:0119
3492992391,4cyclictest0-21swapper/2612:01:0019
3492992385,227cyclictest0-21swapper/2610:35:3419
3492992385,227cyclictest0-21swapper/2610:35:3419
3492992385,227cyclictest0-21swapper/2610:35:3319
3492992361,2cyclictest0-21swapper/2609:54:5219
3492992361,2cyclictest0-21swapper/2609:54:5219
3492992360,2cyclictest0-21swapper/2609:40:5719
3492992360,2cyclictest0-21swapper/2609:40:5719
3492992356,225cyclictest0-21swapper/2610:40:2919
3492992356,225cyclictest0-21swapper/2610:40:2919
3492992356,225cyclictest0-21swapper/2610:40:2819
3492992331,3cyclictest0-21swapper/2611:13:1819
3492992331,3cyclictest0-21swapper/2611:13:1819
3492992331,3cyclictest0-21swapper/2611:13:1719
3492992321,221cyclictest0-21swapper/2609:25:2619
3492992321,221cyclictest0-21swapper/2609:25:2519
3492992311,223cyclictest0-21swapper/2610:54:1419
3492992311,223cyclictest0-21swapper/2610:54:1319
3492992301,225cyclictest0-21swapper/2610:08:2719
3492992301,225cyclictest0-21swapper/2610:08:2719
3492992301,218cyclictest0-21swapper/2609:10:1319
3492992301,218cyclictest0-21swapper/2609:10:1319
3492992301,218cyclictest0-21swapper/2609:10:1219
3492992291,5cyclictest31903-21ystemctl12:22:2419
3492992291,5cyclictest31903-21ystemctl12:22:2419
3492992291,5cyclictest31903-21ystemctl12:22:2319
3492992291,2cyclictest0-21swapper/2611:34:1719
3492992291,2cyclictest0-21swapper/2611:34:1719
3492992291,2cyclictest0-21swapper/2609:35:2119
3492992291,2cyclictest0-21swapper/2609:35:2019
3492992291,2cyclictest0-21swapper/2609:35:2019
3492992291,221cyclictest2327-21qemu-system-x8610:02:5619
3492992291,221cyclictest2327-21qemu-system-x8610:02:5619
3492992283,222cyclictest0-21swapper/2609:34:3619
3492992283,222cyclictest0-21swapper/2609:34:3519
3492992270,2cyclictest0-21swapper/2611:36:0019
3492992270,2cyclictest0-21swapper/2611:36:0019
3492992270,2cyclictest0-21swapper/2611:35:5919
3492992242,3cyclictest3547-21CPU19
3492992241,2cyclictest17484-21nfsd09:16:0419
3492992241,2cyclictest17484-21nfsd09:16:0319
3492992241,2cyclictest17484-21nfsd09:16:0319
3492992241,2cyclictest0-21swapper/2612:07:2619
3492992241,2cyclictest0-21swapper/2612:07:2619
3492992241,2cyclictest0-21swapper/2612:07:2519
3492992241,2cyclictest0-21swapper/2611:53:2319
3492992241,2cyclictest0-21swapper/2611:53:2319
3492992241,220cyclictest0-21swapper/2612:32:4219
3492992241,220cyclictest0-21swapper/2612:32:4119
3492992241,219cyclictest0-21swapper/2609:47:3919
3492992241,219cyclictest0-21swapper/2609:47:3919
3492992241,219cyclictest0-21swapper/2609:47:3919
3492992231,3cyclictest0-21swapper/2610:17:3019
3492992231,3cyclictest0-21swapper/2610:17:2919
3492992231,2cyclictest0-21swapper/2611:26:0419
3492992231,2cyclictest0-21swapper/2611:26:0419
3492992231,2cyclictest0-21swapper/2611:26:0319
3492992221,218cyclictest0-21swapper/2611:49:4319
3492992221,218cyclictest0-21swapper/2611:49:4319
3492992191,3cyclictest1382-21in:imuxsock11:55:1119
3492992191,3cyclictest1382-21in:imuxsock11:55:1119
3492992191,3cyclictest0-21swapper/2610:48:0619
3492992191,3cyclictest0-21swapper/2610:48:0619
3492992191,3cyclictest0-21swapper/2608:55:1019
3492992191,2cyclictest0-21swapper/2610:58:5219
3492992191,2cyclictest0-21swapper/2610:58:5219
3492992191,2cyclictest0-21swapper/2610:26:0419
3492992191,2cyclictest0-21swapper/2610:26:0419
3492992191,2cyclictest0-21swapper/2608:20:2319
3492992191,2cyclictest0-21swapper/2608:20:2219
3492992181,2cyclictest0-21swapper/2609:10:0119
3492992181,2cyclictest0-21swapper/2609:10:0119
3492992171,213cyclictest0-21swapper/2612:11:3219
3492992171,213cyclictest0-21swapper/2612:11:3219
3492992171,213cyclictest0-21swapper/2612:11:3119
3492992171,213cyclictest0-21swapper/2607:45:2119
3492992171,213cyclictest0-21swapper/2607:45:2019
3492992162,3cyclictest17483-21nfsd09:21:4419
3492992162,3cyclictest17483-21nfsd09:21:4419
3492992161,2cyclictest0-21swapper/2609:57:2919
3492992161,2cyclictest0-21swapper/2609:57:2819
3492992161,2cyclictest0-21swapper/2609:57:2819
3492992151,205cyclictest0-21swapper/2607:37:3919
3492992151,205cyclictest0-21swapper/2607:37:3919
3492992141,204cyclictest0-21swapper/2610:32:4719
3492992141,204cyclictest0-21swapper/2610:32:4719
3492992134,204cyclictest3541-21CPU19
3492992134,204cyclictest3541-21CPU19
3492992121,207cyclictest0-21swapper/2607:55:2019
3492992121,207cyclictest0-21swapper/2607:55:1919
3492992111,206cyclictest0-21swapper/2608:40:2719
3492992111,206cyclictest0-21swapper/2608:40:2619
3492992111,203cyclictest0-21swapper/2607:50:1219
3492992111,203cyclictest0-21swapper/2607:50:1119
3492992101,2cyclictest0-21swapper/2609:04:5619
3492992091,3cyclictest0-21swapper/2608:25:1719
3492992091,3cyclictest0-21swapper/2608:25:1719
3492992091,2cyclictest0-21swapper/2608:45:5819
3492992091,2cyclictest0-21swapper/2608:45:5719
3492992081,202cyclictest0-21swapper/2612:26:1619
3492992081,202cyclictest0-21swapper/2612:26:1519
3492992071,4cyclictest18652-21dircolors12:39:0719
3492992071,4cyclictest18652-21dircolors12:39:0619
3492992071,3cyclictest0-21swapper/2607:40:3719
3492992071,3cyclictest0-21swapper/2607:40:3719
3492992051,201cyclictest0-21swapper/2608:05:2919
3492992051,194cyclictest0-21swapper/2607:24:0519
3492992051,194cyclictest0-21swapper/2607:24:0419
3492992050,3cyclictest0-21swapper/2607:15:2619
3492992050,3cyclictest0-21swapper/2607:15:2519
3492992041,3cyclictest2327-21qemu-system-x8607:14:0319
3492992022,4cyclictest37356-21CPU19
3492992022,4cyclictest37356-21CPU19
3492992021,198cyclictest0-21swapper/2608:50:3419
3492992021,198cyclictest0-21swapper/2608:50:3419
3492992011,2cyclictest0-21swapper/2608:40:0219
3492992011,2cyclictest0-21swapper/2608:40:0219
3492991991,2cyclictest0-21swapper/2608:00:2419
3492991991,2cyclictest0-21swapper/2608:00:2319
348599196172,14cyclictest0-21swapper/2012:19:2413
348599196172,14cyclictest0-21swapper/2012:19:2313
348599196172,14cyclictest0-21swapper/2012:19:2313
346799194186,4cyclictest2447-21CPU36
347499193182,9cyclictest0-21swapper/1209:27:354
347499193182,9cyclictest0-21swapper/1209:27:344
347199193178,13cyclictest0-21swapper/1012:19:462
347199193178,13cyclictest0-21swapper/1012:19:452
347199193178,13cyclictest0-21swapper/1012:19:452
3492991920,2cyclictest0-21swapper/2608:30:2419
3492991920,2cyclictest0-21swapper/2608:30:2419
347499191175,13cyclictest0-21swapper/1208:20:064
347499191175,13cyclictest0-21swapper/1208:20:064
347499190154,16cyclictest171rcu_preempt08:35:074
347499190154,16cyclictest171rcu_preempt08:35:074
34709918860,114cyclictest0-21swapper/910:00:1739
34709918860,114cyclictest0-21swapper/910:00:1639
3492991841,179cyclictest0-21swapper/2608:15:2219
3492991841,179cyclictest0-21swapper/2608:15:2119
348599183144,26cyclictest37353-21CPU13
348599183144,26cyclictest37353-21CPU13
347099181135,18cyclictest171rcu_preempt08:41:0139
347099181135,18cyclictest171rcu_preempt08:41:0139
346399180176,3cyclictest372-21kswapd010:00:0623
346399180176,3cyclictest372-21kswapd010:00:0623
346399180176,3cyclictest372-21kswapd010:00:0523
350399179140,36cyclictest0-21swapper/3507:40:3829
350399179140,36cyclictest0-21swapper/3507:40:3729
349199179133,32cyclictest0-21swapper/2510:49:1018
349199179133,32cyclictest0-21swapper/2510:49:0918
347499179168,9cyclictest0-21swapper/1212:21:194
347499179168,9cyclictest0-21swapper/1212:21:184
347499179168,9cyclictest0-21swapper/1212:21:184
349999178167,10cyclictest0-21swapper/3210:39:4426
349999178167,10cyclictest0-21swapper/3210:39:4426
349999178167,10cyclictest0-21swapper/3210:39:4326
349899178165,6cyclictest0-21swapper/3109:11:3225
349899178165,6cyclictest0-21swapper/3109:11:3125
349899178165,6cyclictest0-21swapper/3109:11:3125
35059917782,78cyclictest37355-21CPU31
35059917782,78cyclictest37355-21CPU31
35059917782,78cyclictest37355-21CPU31
348399177122,51cyclictest3547-21CPU10
348399177122,51cyclictest3547-21CPU10
348399177122,51cyclictest3547-21CPU10
350499174167,5cyclictest0-21swapper/3611:24:0830
350499174167,5cyclictest0-21swapper/3611:24:0830
349899172134,16cyclictest171rcu_preempt09:33:2625
349899172134,16cyclictest171rcu_preempt09:33:2625
349499172144,21cyclictest0-21swapper/2810:49:2521
349499172144,21cyclictest0-21swapper/2810:49:2521
350599171160,9cyclictest0-21swapper/3709:40:3131
350599171160,9cyclictest0-21swapper/3709:40:3031
350599171151,11cyclictest2461-21CPU31
350599171151,11cyclictest2461-21CPU31
350599171151,11cyclictest2461-21CPU31
349899170154,14cyclictest0-21swapper/3112:33:0025
349899170154,14cyclictest0-21swapper/3112:33:0025
34949917073,83cyclictest0-21swapper/2811:56:2421
34949917073,83cyclictest0-21swapper/2811:56:2421
347499170135,16cyclictest171rcu_preempt09:54:044
347499170135,16cyclictest171rcu_preempt09:54:044
35059916995,66cyclictest2447-21CPU31
35059916995,66cyclictest2447-21CPU31
350499169156,11cyclictest0-21swapper/3607:21:1630
350499169156,11cyclictest0-21swapper/3607:21:1530
35039916974,87cyclictest2327-21qemu-system-x8612:30:0129
35039916974,87cyclictest2327-21qemu-system-x8612:30:0029
3488991698,151cyclictest0-21swapper/2309:35:1516
3488991698,151cyclictest0-21swapper/2309:35:1516
3488991698,151cyclictest0-21swapper/2309:35:1416
348399168153,12cyclictest0-21swapper/1810:00:4910
348399168153,12cyclictest0-21swapper/1810:00:4910
34709916860,91cyclictest4408-21CPU39
34709916860,91cyclictest4408-21CPU39
346099168151,11cyclictest0-21swapper/012:11:530
346099168151,11cyclictest0-21swapper/012:11:520
346099168151,11cyclictest0-21swapper/012:11:520
350499167164,2cyclictest0-21swapper/3612:29:0530
350499167164,2cyclictest0-21swapper/3612:29:0430
346299167159,6cyclictest0-21swapper/210:37:4212
346299167159,6cyclictest0-21swapper/210:37:4112
346299167159,6cyclictest0-21swapper/210:37:4112
346299167158,7cyclictest0-21swapper/212:40:0312
346299167158,7cyclictest0-21swapper/212:40:0212
346099167147,11cyclictest1285-21jbd2/sdb1-810:21:170
346099167147,11cyclictest1285-21jbd2/sdb1-810:21:170
346099167108,55cyclictest3544-21CPU0
346099167108,55cyclictest3544-21CPU0
346099167108,55cyclictest3544-21CPU0
350399166120,43cyclictest0-21swapper/3511:28:1329
350399166120,43cyclictest0-21swapper/3511:28:1329
350399166120,43cyclictest0-21swapper/3511:28:1229
346099166154,5cyclictest0-21swapper/009:32:010
346099166154,5cyclictest0-21swapper/009:32:000
350599165150,12cyclictest0-21swapper/3709:48:1331
350599165150,12cyclictest0-21swapper/3709:48:1331
350599165150,12cyclictest0-21swapper/3709:48:1231
349899165127,9cyclictest171rcu_preempt12:28:1725
349899165127,9cyclictest171rcu_preempt12:28:1725
349699165120,31cyclictest2454-21CPU24
349699165120,31cyclictest2454-21CPU24
348599165153,8cyclictest0-21swapper/2010:31:5813
348599165153,8cyclictest0-21swapper/2010:31:5813
34839916570,75cyclictest0-21swapper/1811:31:1610
34839916570,75cyclictest0-21swapper/1811:31:1510
347099165119,26cyclictest0-21swapper/910:08:3039
347099165119,26cyclictest0-21swapper/910:08:3039
350599164108,53cyclictest0-21swapper/3712:30:0131
350599164108,53cyclictest0-21swapper/3712:30:0031
350399164109,36cyclictest0-21swapper/3508:01:1529
350399164109,36cyclictest0-21swapper/3508:01:1429
34949916455,101cyclictest37257-21qemu-system-x8611:25:5821
34949916455,101cyclictest37257-21qemu-system-x8611:25:5721
34949916455,101cyclictest37257-21qemu-system-x8611:25:5721
348599164117,23cyclictest0-21swapper/2010:39:1013
348599164117,23cyclictest0-21swapper/2010:39:0913
348599164117,23cyclictest0-21swapper/2010:39:0913
346399164153,7cyclictest0-21swapper/312:09:4323
346399164153,7cyclictest0-21swapper/312:09:4223
346399164153,7cyclictest0-21swapper/312:09:4223
346299164155,5cyclictest0-21swapper/212:22:1612
346299164155,5cyclictest0-21swapper/212:22:1612
346299164155,5cyclictest0-21swapper/212:22:1512
350599163109,28cyclictest0-21swapper/3711:21:1331
350599163109,28cyclictest0-21swapper/3711:21:1331
349899163156,5cyclictest0-21swapper/3112:12:4725
349899163156,5cyclictest0-21swapper/3112:12:4725
349899163156,5cyclictest0-21swapper/3112:12:4625
349899163132,17cyclictest171rcu_preempt11:32:2825
349899163132,17cyclictest171rcu_preempt11:32:2825
34859916392,49cyclictest3545-21CPU13
34859916392,49cyclictest3545-21CPU13
348599163143,11cyclictest0-21swapper/2011:12:2613
348599163143,11cyclictest0-21swapper/2011:12:2613
348599163143,11cyclictest0-21swapper/2011:12:2513
348599163141,8cyclictest0-21swapper/2011:21:2013
348599163141,8cyclictest0-21swapper/2011:21:2013
347499163155,6cyclictest0-21swapper/1210:39:054
347499163155,6cyclictest0-21swapper/1210:39:054
347499163155,6cyclictest0-21swapper/1210:39:044
347499163147,13cyclictest0-21swapper/1211:53:034
347499163147,13cyclictest0-21swapper/1211:53:034
346299163149,12cyclictest0-21swapper/210:03:4912
346299163149,12cyclictest0-21swapper/210:03:4912
346099163142,14cyclictest0-21swapper/010:16:210
346099163142,14cyclictest0-21swapper/010:16:210
350599162147,4cyclictest0-21swapper/3710:41:4931
350599162147,4cyclictest0-21swapper/3710:41:4831
350599162147,4cyclictest0-21swapper/3710:41:4831
350599162144,6cyclictest0-21swapper/3711:30:4331
350599162144,6cyclictest0-21swapper/3711:30:4331
350599162101,29cyclictest0-21swapper/3709:12:1431
350599162101,29cyclictest0-21swapper/3709:12:1431
350599162101,29cyclictest0-21swapper/3709:12:1331
350399162105,54cyclictest4409-21kvm-pit/439811:13:1929
350399162105,54cyclictest4409-21kvm-pit/439811:13:1929
350399162105,54cyclictest4409-21kvm-pit/439811:13:1829
34989916293,23cyclictest0-21swapper/3109:15:2725
34989916293,23cyclictest0-21swapper/3109:15:2725
34989916293,23cyclictest0-21swapper/3109:15:2625
34949916274,20cyclictest0-21swapper/2810:20:2021
34949916274,20cyclictest0-21swapper/2810:20:2021
348599162115,15cyclictest0-21swapper/2007:41:5213
348599162115,15cyclictest0-21swapper/2007:41:5113
347499162151,9cyclictest0-21swapper/1210:40:094
347499162151,9cyclictest0-21swapper/1210:40:094
347499162151,9cyclictest0-21swapper/1210:40:084
346099162112,47cyclictest3547-21CPU0
346099162112,47cyclictest3547-21CPU0
346099162111,16cyclictest0-21swapper/011:22:090
346099162111,16cyclictest0-21swapper/011:22:090
350499161151,9cyclictest0-21swapper/3607:50:0430
350499161151,9cyclictest0-21swapper/3607:50:0330
350499161145,10cyclictest0-21swapper/3611:01:0430
350499161145,10cyclictest0-21swapper/3611:01:0330
350499161145,10cyclictest0-21swapper/3611:01:0330
350499161140,12cyclictest0-21swapper/3610:39:5230
350499161140,12cyclictest0-21swapper/3610:39:5230
350499161140,12cyclictest0-21swapper/3610:39:5230
349899161148,6cyclictest37346-21qemu-system-x8609:52:0125
349899161148,6cyclictest37346-21qemu-system-x8609:52:0125
349499161114,44cyclictest0-21swapper/2812:21:4221
349499161114,44cyclictest0-21swapper/2812:21:4121
349499161114,44cyclictest0-21swapper/2812:21:4121
349199161132,26cyclictest0-21swapper/2510:30:5518
349199161132,26cyclictest0-21swapper/2510:30:5518
348399161108,41cyclictest0-21swapper/1811:53:0110
348399161108,41cyclictest0-21swapper/1811:53:0110
347099161111,39cyclictest0-21swapper/911:17:2639
347099161111,39cyclictest0-21swapper/911:17:2639
346099161146,6cyclictest0-21swapper/011:27:450
346099161146,6cyclictest0-21swapper/011:27:450
346099161146,6cyclictest0-21swapper/011:27:440
346099161145,8cyclictest0-21swapper/011:19:010
346099161145,8cyclictest0-21swapper/011:19:010
350599160140,9cyclictest0-21swapper/3707:20:3531
350599160140,9cyclictest0-21swapper/3707:20:3431
350599160137,10cyclictest171rcu_preempt12:15:0731
350499160148,11cyclictest0-21swapper/3609:55:2530
350499160148,11cyclictest0-21swapper/3609:55:2530
350499160148,11cyclictest0-21swapper/3609:55:2530
3503991603,152cyclictest37352-21CPU29
3503991603,152cyclictest37352-21CPU29
3503991603,152cyclictest37352-21CPU29
350199160144,9cyclictest0-21swapper/3310:21:0427
350199160144,9cyclictest0-21swapper/3310:21:0427
34919916046,34cyclictest0-21swapper/2508:20:1518
34919916046,34cyclictest0-21swapper/2508:20:1518
348599160146,5cyclictest0-21swapper/2009:20:4913
348599160146,5cyclictest0-21swapper/2009:20:4813
347599160150,8cyclictest0-21swapper/1311:06:105
347599160150,8cyclictest0-21swapper/1311:06:105
347599160150,8cyclictest0-21swapper/1311:06:095
347499160152,6cyclictest0-21swapper/1210:51:594
347499160152,6cyclictest0-21swapper/1210:51:584
347499160138,12cyclictest0-21swapper/1211:29:164
347499160138,12cyclictest0-21swapper/1211:29:164
347499160138,12cyclictest0-21swapper/1211:29:164
34709916086,70cyclictest3544-21CPU39
34709916086,70cyclictest3544-21CPU39
34709916086,70cyclictest3544-21CPU39
347099160129,11cyclictest171rcu_preempt07:41:2639
347099160129,11cyclictest171rcu_preempt07:41:2539
346299160144,13cyclictest16867-21kworker/u81:5+events_unbound11:42:0912
346299160144,13cyclictest16867-21kworker/u81:5+events_unbound11:42:0912
346299160136,8cyclictest0-21swapper/211:22:5712
346299160136,8cyclictest0-21swapper/211:22:5712
346099160150,1cyclictest0-21swapper/009:48:590
346099160150,1cyclictest0-21swapper/009:48:590
346099160150,1cyclictest0-21swapper/009:48:580
346099160139,13cyclictest0-21swapper/008:01:080
346099160139,13cyclictest0-21swapper/008:01:080
346099160123,16cyclictest0-21swapper/008:52:030
346099160123,16cyclictest0-21swapper/008:52:020
346099160113,37cyclictest0-21swapper/011:33:180
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