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2026-03-29 - 19:13
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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
Characteristics of the 376 highest latencies:
System rack6slot0.osadl.org (updated Sun Mar 29, 2026 13:03:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1193199220209,8cyclictest0-21swapper/009:18:030
1193199220209,8cyclictest0-21swapper/009:18:030
1196399195184,9cyclictest0-21swapper/2812:09:3621
1196399195184,9cyclictest0-21swapper/2812:09:3621
1196399195184,9cyclictest0-21swapper/2812:09:3621
1194699194184,8cyclictest0-21swapper/1412:17:446
1194699194184,8cyclictest0-21swapper/1412:17:436
1196399189167,20cyclictest0-21swapper/2811:20:4321
1196399189167,20cyclictest0-21swapper/2811:20:4321
1196399189167,20cyclictest0-21swapper/2811:20:4321
119339918957,125cyclictest0-21swapper/209:25:1912
119339918957,125cyclictest0-21swapper/209:25:1912
11976991881,2cyclictest0-21swapper/3907:15:1433
11976991881,2cyclictest0-21swapper/3907:15:1433
1195599188154,11cyclictest0-21swapper/2111:45:1814
1195599188154,11cyclictest0-21swapper/2111:45:1814
1195599186164,20cyclictest0-21swapper/2109:59:1414
1195599186164,20cyclictest0-21swapper/2109:59:1414
1195599186164,20cyclictest0-21swapper/2109:59:1414
1194899185168,7cyclictest0-21swapper/1610:58:168
1194899185168,7cyclictest0-21swapper/1610:58:158
1194899185168,7cyclictest0-21swapper/1610:58:158
1193799185177,6cyclictest0-21swapper/610:49:2636
1193799185177,6cyclictest0-21swapper/610:49:2636
1195899183135,44cyclictest37358-21CPU16
1195899183135,44cyclictest37358-21CPU16
1197299182161,18cyclictest0-21swapper/3610:01:4330
1197299182161,18cyclictest0-21swapper/3610:01:4330
1196599181176,3cyclictest0-21swapper/3012:15:1524
1196599181176,3cyclictest0-21swapper/3012:15:1524
1196399181169,9cyclictest0-21swapper/2810:19:1521
1196399181169,9cyclictest0-21swapper/2810:19:1521
1196399181169,9cyclictest0-21swapper/2810:19:1521
1197499180160,9cyclictest0-21swapper/3807:28:0232
1197499180160,9cyclictest0-21swapper/3807:28:0232
1197299180167,7cyclictest27962-21systemd11:50:1530
1197299180167,7cyclictest27962-21systemd11:50:1530
1197299180167,7cyclictest27962-21systemd11:50:1530
11933991802,167cyclictest3609-21CPU12
11933991802,167cyclictest3609-21CPU12
1196399179174,3cyclictest0-21swapper/2809:29:4021
1196399179174,3cyclictest0-21swapper/2809:29:3921
1195599179156,21cyclictest0-21swapper/2109:47:2314
1195599179156,21cyclictest0-21swapper/2109:47:2314
1194899179169,8cyclictest0-21swapper/1610:17:568
1194899179169,8cyclictest0-21swapper/1610:17:558
1194899179169,8cyclictest0-21swapper/1610:17:558
1196499178168,8cyclictest0-21swapper/2911:23:1722
1196499178168,8cyclictest0-21swapper/2911:23:1722
1196499178168,8cyclictest0-21swapper/2911:23:1722
1195999178170,6cyclictest0-21swapper/2409:42:5417
1195999178170,6cyclictest0-21swapper/2409:42:5417
1195999178170,6cyclictest0-21swapper/2409:42:5417
1195899178129,14cyclictest0-21swapper/2311:08:1016
1195899178129,14cyclictest0-21swapper/2311:08:1016
1195899178129,14cyclictest0-21swapper/2311:08:1016
1193599177173,2cyclictest0-21swapper/409:44:4034
1193599177173,2cyclictest0-21swapper/409:44:3934
1193599177173,2cyclictest0-21swapper/409:44:3934
1193199177175,1cyclictest0-21swapper/010:53:120
1193199177175,1cyclictest0-21swapper/010:53:120
1193199177175,1cyclictest0-21swapper/010:53:120
1197499176166,9cyclictest0-21swapper/3811:18:2532
1197499176166,9cyclictest0-21swapper/3811:18:2532
1197499176166,9cyclictest0-21swapper/3811:18:2532
1196399176164,8cyclictest0-21swapper/2807:55:2321
1196399176164,8cyclictest0-21swapper/2807:55:2321
1195899176130,27cyclictest0-21swapper/2311:11:1816
1195899176130,27cyclictest0-21swapper/2311:11:1816
1195899176130,27cyclictest0-21swapper/2311:11:1816
1194899176129,44cyclictest3541-21CPU8
1194899176129,44cyclictest3541-21CPU8
1197299175154,11cyclictest0-21swapper/3612:37:0430
1197299175154,11cyclictest0-21swapper/3612:37:0430
1196799175161,12cyclictest0-21swapper/3109:41:4525
1196799175161,12cyclictest0-21swapper/3109:41:4425
1196799175161,12cyclictest0-21swapper/3109:41:4425
1196399175161,12cyclictest0-21swapper/2810:14:5721
1196399175161,12cyclictest0-21swapper/2810:14:5621
1196399175160,13cyclictest0-21swapper/2812:14:1121
1196399175160,13cyclictest0-21swapper/2812:14:1121
1195899175159,12cyclictest0-21swapper/2311:19:5516
1195899175159,12cyclictest0-21swapper/2311:19:5516
1195899175159,12cyclictest0-21swapper/2311:19:5516
1195899175146,19cyclictest0-21swapper/2312:37:0316
1195899175146,19cyclictest0-21swapper/2312:37:0216
1193799175168,4cyclictest0-21swapper/612:11:1436
1193799175168,4cyclictest0-21swapper/612:11:1336
1196899174167,5cyclictest0-21swapper/3209:44:1726
1196899174167,5cyclictest0-21swapper/3209:44:1726
1196899174167,5cyclictest0-21swapper/3209:44:1726
1196499174136,36cyclictest0-21swapper/2912:05:2122
1196499174136,36cyclictest0-21swapper/2912:05:2022
1196499174136,36cyclictest0-21swapper/2912:05:2022
1196399174169,3cyclictest0-21swapper/2809:25:0721
1196399174169,3cyclictest0-21swapper/2809:25:0721
1196099174171,2cyclictest0-21swapper/2507:50:3318
1196099174171,2cyclictest0-21swapper/2507:50:3218
1195899174162,11cyclictest0-21swapper/2312:33:4916
1195899174162,11cyclictest0-21swapper/2312:33:4916
1195899174162,11cyclictest0-21swapper/2312:33:4916
1193499174159,13cyclictest0-21swapper/311:27:0523
1193499174159,13cyclictest0-21swapper/311:27:0523
1197499173165,6cyclictest0-21swapper/3808:10:3132
1197499173165,6cyclictest0-21swapper/3808:10:3132
1197499173163,4cyclictest0-21swapper/3812:01:2532
1197499173163,4cyclictest0-21swapper/3812:01:2532
1197499173163,4cyclictest0-21swapper/3812:01:2532
1196799173159,12cyclictest37819-21sshd09:36:0725
1196799173159,12cyclictest37819-21sshd09:36:0725
1196799173159,12cyclictest37819-21sshd09:36:0725
1196399173163,8cyclictest0-21swapper/2810:27:4121
1196399173163,8cyclictest0-21swapper/2810:27:4121
1196399173109,59cyclictest3544-21CPU21
119589917379,84cyclictest2466-21CPU16
119589917379,84cyclictest2466-21CPU16
1195899173122,24cyclictest0-21swapper/2307:41:4716
1195899173122,24cyclictest0-21swapper/2307:41:4716
11933991730,2cyclictest0-21swapper/212:10:2112
11933991730,2cyclictest0-21swapper/212:10:2012
1193199173127,41cyclictest37270-21CPU0
1193199173127,41cyclictest37270-21CPU0
1196799172160,10cyclictest0-21swapper/3111:40:5925
1196799172160,10cyclictest0-21swapper/3111:40:5925
1196599172169,2cyclictest0-21swapper/3010:19:4324
1196599172169,2cyclictest0-21swapper/3010:19:4224
1196599172169,2cyclictest0-21swapper/3010:19:4224
1195899172162,5cyclictest0-21swapper/2309:35:2716
1195899172162,5cyclictest0-21swapper/2309:35:2716
1195899172162,5cyclictest0-21swapper/2309:35:2716
1195899172124,23cyclictest0-21swapper/2312:06:4516
1195899172124,23cyclictest0-21swapper/2312:06:4516
1195899172124,23cyclictest0-21swapper/2312:06:4516
1194899172164,5cyclictest15123-21sshd09:48:328
1194899172164,5cyclictest15123-21sshd09:48:328
11941991724,131cyclictest3543-21CPU2
11941991724,131cyclictest3543-21CPU2
1194099172163,5cyclictest12494-21kworker/u81:2+events_unbound09:54:2439
1194099172163,5cyclictest12494-21kworker/u81:2+events_unbound09:54:2339
1194099172163,5cyclictest12494-21kworker/u81:2+events_unbound09:54:2339
1197499171159,9cyclictest0-21swapper/3808:30:0132
1197499171159,9cyclictest0-21swapper/3808:30:0132
1196799171157,12cyclictest0-21swapper/3111:14:4125
1196799171157,12cyclictest0-21swapper/3111:14:4025
1196799171157,12cyclictest0-21swapper/3111:14:4025
1196799171155,6cyclictest171rcu_preempt11:33:4525
1196799171155,6cyclictest171rcu_preempt11:33:4525
1196399171158,11cyclictest0-21swapper/2811:12:1021
1196399171158,11cyclictest0-21swapper/2811:12:1021
1196399171158,11cyclictest0-21swapper/2811:12:1021
1195099171166,3cyclictest24951-21kworker/u80:2-ext4-rsv-conversion10:31:2010
1195099171166,3cyclictest24951-21kworker/u80:2-ext4-rsv-conversion10:31:1910
1195099171166,3cyclictest24951-21kworker/u80:2-ext4-rsv-conversion10:31:1910
1194899171156,7cyclictest0-21swapper/1610:36:338
1194899171156,7cyclictest0-21swapper/1610:36:338
1194899171156,7cyclictest0-21swapper/1610:36:338
1194699171167,3cyclictest0-21swapper/1410:25:306
1194699171167,3cyclictest0-21swapper/1410:25:306
1194699171155,8cyclictest0-21swapper/1412:23:476
1194699171155,8cyclictest0-21swapper/1412:23:476
1194699171155,8cyclictest0-21swapper/1412:23:476
1194699171138,18cyclictest0-21swapper/1410:04:286
1194699171138,18cyclictest0-21swapper/1410:04:286
1194699171135,23cyclictest0-21swapper/1411:39:546
1194699171135,23cyclictest0-21swapper/1411:39:546
1194699171135,23cyclictest0-21swapper/1411:39:546
1193899171143,21cyclictest0-21swapper/709:51:5037
1193899171143,21cyclictest0-21swapper/709:51:5037
1193899171143,21cyclictest0-21swapper/709:51:5037
1193199171156,13cyclictest0-21swapper/011:25:560
1193199171156,13cyclictest0-21swapper/011:25:560
1197299170158,9cyclictest0-21swapper/3612:10:1730
1197299170158,9cyclictest0-21swapper/3612:10:1630
1196799170152,9cyclictest0-21swapper/3111:27:4025
1196799170152,9cyclictest0-21swapper/3111:27:4025
1196799170149,10cyclictest171rcu_preempt10:29:2525
1196799170149,10cyclictest171rcu_preempt10:29:2525
1196399170162,6cyclictest0-21swapper/2808:06:0721
1196399170162,6cyclictest0-21swapper/2808:06:0721
1196399170157,11cyclictest0-21swapper/2811:37:5621
1196399170157,11cyclictest0-21swapper/2811:37:5521
1196399170157,11cyclictest0-21swapper/2811:37:5521
1196399170156,8cyclictest0-21swapper/2810:43:2321
1196399170156,8cyclictest0-21swapper/2810:43:2321
1196399170156,8cyclictest0-21swapper/2810:43:2321
119629917075,60cyclictest3546-21CPU20
119629917075,60cyclictest3546-21CPU20
1195899170148,8cyclictest171rcu_preempt12:27:1616
1195899170148,8cyclictest171rcu_preempt12:27:1616
1195599170150,15cyclictest4407-21CPU14
1195599170150,15cyclictest4407-21CPU14
1195599170150,15cyclictest4407-21CPU14
119419917073,93cyclictest0-21swapper/1012:12:172
119419917073,93cyclictest0-21swapper/1012:12:172
1193799170108,34cyclictest0-21swapper/612:05:1536
1193799170108,34cyclictest0-21swapper/612:05:1536
1193799170108,34cyclictest0-21swapper/612:05:1436
1197499169153,15cyclictest0-21swapper/3812:28:1932
1197499169153,15cyclictest0-21swapper/3812:28:1932
1196799169156,12cyclictest0-21swapper/3111:16:2725
1196799169156,12cyclictest0-21swapper/3111:16:2725
1196799169156,12cyclictest0-21swapper/3111:16:2725
1196399169155,12cyclictest0-21swapper/2811:42:0821
1196399169155,12cyclictest0-21swapper/2811:42:0821
1195899169157,9cyclictest0-21swapper/2308:45:3016
1195899169156,7cyclictest171rcu_preempt09:08:0916
1195899169156,7cyclictest171rcu_preempt09:08:0916
1195899169119,33cyclictest0-21swapper/2308:51:0916
1195899169119,33cyclictest0-21swapper/2308:51:0816
1195599169157,5cyclictest0-21swapper/2110:37:2714
1195599169157,5cyclictest0-21swapper/2110:37:2614
1195599169157,5cyclictest0-21swapper/2110:37:2614
1194899169135,30cyclictest37265-21CPU8
1194899169135,30cyclictest37265-21CPU8
1194699169160,8cyclictest0-21swapper/1409:43:196
1194699169160,8cyclictest0-21swapper/1409:43:196
1194699169160,8cyclictest0-21swapper/1409:43:196
1194399169157,7cyclictest0-21swapper/1212:04:384
1194399169157,7cyclictest0-21swapper/1212:04:384
1194399169157,7cyclictest0-21swapper/1212:04:384
11976991681,3cyclictest0-21swapper/3910:35:1233
11976991681,3cyclictest0-21swapper/3910:35:1233
11976991681,3cyclictest0-21swapper/3910:35:1233
1197299168163,2cyclictest0-21swapper/3607:30:0330
1197299168163,2cyclictest0-21swapper/3607:30:0330
1196999168132,32cyclictest2462-21CPU27
1196999168132,32cyclictest2462-21CPU27
1196999168132,32cyclictest2462-21CPU27
1195999168140,24cyclictest3545-21CPU17
1195999168140,24cyclictest3545-21CPU17
1195999168140,24cyclictest3545-21CPU17
1195899168146,16cyclictest0-21swapper/2309:31:2516
1195899168146,16cyclictest0-21swapper/2309:31:2416
1195899168146,16cyclictest0-21swapper/2309:31:2416
1195899168138,17cyclictest0-21swapper/2307:21:1116
1195899168138,17cyclictest0-21swapper/2307:21:1116
1195899168137,18cyclictest0-21swapper/2311:34:4816
1195899168137,18cyclictest0-21swapper/2311:34:4816
1195899168133,26cyclictest0-21swapper/2308:01:2216
1195899168133,26cyclictest0-21swapper/2308:01:2116
1195599168158,8cyclictest0-21swapper/2112:30:3614
1195599168158,8cyclictest0-21swapper/2112:30:3614
1195599168158,8cyclictest0-21swapper/2112:30:3514
1194899168152,11cyclictest171rcu_preempt09:19:578
1194899168152,11cyclictest171rcu_preempt09:19:568
1194699168161,5cyclictest0-21swapper/1407:12:126
1194699168161,5cyclictest0-21swapper/1407:12:126
1193799168154,8cyclictest0-21swapper/609:37:5536
1193799168154,8cyclictest0-21swapper/609:37:5436
1193799168154,8cyclictest0-21swapper/609:37:5436
11933991682,150cyclictest4407-21CPU12
11933991682,150cyclictest4407-21CPU12
11933991682,150cyclictest4407-21CPU12
11933991681,157cyclictest0-21swapper/211:22:0912
11933991681,157cyclictest0-21swapper/211:22:0912
11933991681,157cyclictest0-21swapper/211:22:0912
1193199168160,6cyclictest0-21swapper/011:58:060
1193199168160,6cyclictest0-21swapper/011:58:060
1193199168160,6cyclictest0-21swapper/011:58:060
1193199168140,17cyclictest0-21swapper/009:31:290
1193199168140,17cyclictest0-21swapper/009:31:290
1193199168140,17cyclictest0-21swapper/009:31:290
11976991671,140cyclictest0-21swapper/3910:26:2333
11976991671,140cyclictest0-21swapper/3910:26:2333
1196799167158,6cyclictest0-21swapper/3110:14:1225
1196799167158,6cyclictest0-21swapper/3110:14:1225
1196799167157,8cyclictest0-21swapper/3112:27:4125
1196799167157,8cyclictest0-21swapper/3112:27:4025
1196799167125,20cyclictest0-21swapper/3111:45:5425
1196799167125,20cyclictest0-21swapper/3111:45:5325
1196299167160,3cyclictest0-21swapper/2711:07:4520
1196299167160,3cyclictest0-21swapper/2711:07:4520
1196299167160,3cyclictest0-21swapper/2711:07:4520
1196299167156,9cyclictest0-21swapper/2711:23:3320
1196299167156,9cyclictest0-21swapper/2711:23:3320
1196299167156,9cyclictest0-21swapper/2711:23:3220
1195899167140,16cyclictest0-21swapper/2308:35:0216
1195899167140,16cyclictest0-21swapper/2308:35:0216
1195899167130,26cyclictest0-21swapper/2312:22:2716
1195899167130,26cyclictest0-21swapper/2312:22:2716
1195899167130,26cyclictest0-21swapper/2312:22:2716
1195899167129,18cyclictest0-21swapper/2309:41:1516
1195899167129,18cyclictest0-21swapper/2309:41:1516
1195899167129,18cyclictest0-21swapper/2309:41:1516
1195899167128,17cyclictest0-21swapper/2311:01:3616
1195899167128,17cyclictest0-21swapper/2311:01:3516
1195899167127,24cyclictest17481-21nfsd11:50:3916
1195899167127,24cyclictest17481-21nfsd11:50:3916
1195899167127,24cyclictest17481-21nfsd11:50:3916
1195599167157,7cyclictest3600-21qemu-system-x8612:21:5314
1195599167157,7cyclictest3600-21qemu-system-x8612:21:5314
1195599167157,7cyclictest3600-21qemu-system-x8612:21:5314
1195599167108,27cyclictest0-21swapper/2112:00:3814
1195599167108,27cyclictest0-21swapper/2112:00:3714
1195599167108,27cyclictest0-21swapper/2112:00:3714
1195099167159,4cyclictest0-21swapper/1812:39:5910
1195099167159,4cyclictest0-21swapper/1812:39:5910
1194699167121,22cyclictest0-21swapper/1407:36:026
1194699167121,22cyclictest0-21swapper/1407:36:026
1193799167162,4cyclictest0-21swapper/611:33:2236
1193799167162,4cyclictest0-21swapper/611:33:2236
1193799167156,9cyclictest0-21swapper/612:20:4436
1193799167156,9cyclictest0-21swapper/612:20:4336
1193799167156,9cyclictest0-21swapper/612:20:4336
1193599167149,10cyclictest0-21swapper/412:24:1534
1193599167149,10cyclictest0-21swapper/412:24:1434
1193599167149,10cyclictest0-21swapper/412:24:1434
11933991671,100cyclictest0-21swapper/210:11:3312
11933991671,100cyclictest0-21swapper/210:11:3212
1193199167156,4cyclictest0-21swapper/012:09:250
1193199167156,4cyclictest0-21swapper/012:09:250
1193199167156,4cyclictest0-21swapper/012:09:250
1193199167131,29cyclictest3542-21CPU0
1193199167131,29cyclictest3542-21CPU0
11976991661,3cyclictest0-21swapper/3909:57:2333
11976991661,3cyclictest0-21swapper/3909:57:2333
11976991661,3cyclictest0-21swapper/3909:57:2333
11976991661,2cyclictest0-21swapper/3912:15:1733
11976991661,2cyclictest0-21swapper/3912:15:1633
1197299166157,5cyclictest3543-21CPU30
1197299166157,5cyclictest3543-21CPU30
1197299166157,5cyclictest3543-21CPU30
1196399166153,11cyclictest0-21swapper/2810:54:3421
1196399166153,11cyclictest0-21swapper/2810:54:3321
1196399166153,11cyclictest0-21swapper/2810:54:3321
1195899166148,13cyclictest0-21swapper/2308:21:2016
1195899166148,13cyclictest0-21swapper/2308:21:2016
1195899166125,15cyclictest171rcu_preempt10:40:5016
1195899166125,15cyclictest171rcu_preempt10:40:5016
1195899166125,15cyclictest171rcu_preempt10:40:5016
1195899166124,29cyclictest0-21swapper/2311:21:1016
1195899166124,29cyclictest0-21swapper/2311:21:1016
1195899166124,29cyclictest0-21swapper/2311:21:1016
1195899166122,22cyclictest0-21swapper/2308:08:2516
1195899166122,22cyclictest0-21swapper/2308:08:2516
1195899166120,42cyclictest3544-21CPU16
1195899166120,42cyclictest3544-21CPU16
1194899166163,2cyclictest0-21swapper/1610:50:298
1194899166163,2cyclictest0-21swapper/1610:50:298
1194899166163,2cyclictest0-21swapper/1610:50:298
1193199166157,8cyclictest0-21swapper/009:27:180
1193199166157,8cyclictest0-21swapper/009:27:170
1193199166156,6cyclictest0-21swapper/011:30:580
1193199166156,6cyclictest0-21swapper/011:30:580
11976991651,2cyclictest0-21swapper/3912:20:1533
11976991651,2cyclictest0-21swapper/3912:20:1433
11976991651,2cyclictest0-21swapper/3912:20:1433
11976991651,155cyclictest0-21swapper/3911:35:1533
11976991651,155cyclictest0-21swapper/3911:35:1533
11976991651,155cyclictest0-21swapper/3911:35:1533
1197299165162,2cyclictest0-21swapper/3609:54:0130
1197299165162,2cyclictest0-21swapper/3609:54:0030
1197299165162,2cyclictest0-21swapper/3609:54:0030
1197299165154,8cyclictest0-21swapper/3609:33:1430
1197299165154,8cyclictest0-21swapper/3609:33:1430
1197299165154,8cyclictest0-21swapper/3609:33:1430
119689916574,40cyclictest0-21swapper/3210:35:0026
119689916574,40cyclictest0-21swapper/3210:35:0026
119689916574,40cyclictest0-21swapper/3210:35:0026
1196799165130,19cyclictest0-21swapper/3110:02:1325
1196799165130,19cyclictest0-21swapper/3110:02:1325
1196799165122,34cyclictest3545-21CPU25
1196799165122,34cyclictest3545-21CPU25
1196499165147,10cyclictest1360-21systemd-logind12:24:5822
1196499165147,10cyclictest1360-21systemd-logind12:24:5722
1196499165147,10cyclictest1360-21systemd-logind12:24:5722
1196399165154,9cyclictest0-21swapper/2808:22:2121
1196399165154,9cyclictest0-21swapper/2808:22:2121
1196399165146,12cyclictest3544-21CPU21
1196399165146,12cyclictest3544-21CPU21
1195899165144,9cyclictest0-21swapper/2307:52:4516
1195899165144,9cyclictest0-21swapper/2307:52:4516
1195899165124,25cyclictest0-21swapper/2310:23:5716
1195899165124,25cyclictest0-21swapper/2310:23:5616
1195899165124,25cyclictest0-21swapper/2310:23:5616
1195599165161,2cyclictest31940-21kworker/u80:1-ext4-rsv-conversion12:06:3514
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