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2026-04-26 - 08:11
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot4.osadl.org (updated Sun Apr 26, 2026 00:46:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9005782139123,6sleep3894718-21kworker/3:3+events@
dbs_work_handler
19:05:203
9020969911298,7cyclictest965082-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:37:393
9020859911277,19cyclictest210-21kswapd000:25:240
9020859911277,19cyclictest210-21kswapd000:25:240
9020969910995,7cyclictest1171602-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
00:05:343
9020969910765,12cyclictest1144424-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
00:00:023
9020969910593,6cyclictest1036677-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:32:473
9020969910389,7cyclictest930009-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
20:42:403
95491921000,4sleep10-21swapper/121:14:571
95491921000,4sleep10-21swapper/121:14:571
902101999986,8cyclictest1069644-21ssh22:41:354
902101999986,8cyclictest1069644-21ssh22:41:354
902094999884,7cyclictest1036677-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:39:212
902101999791,3cyclictest0-21swapper/423:16:384
902096999785,6cyclictest1020378-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:14:353
902096999785,6cyclictest1020378-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:14:343
902096999766,7cyclictest1125908-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:50:493
902096999682,7cyclictest1213202-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
00:31:333
902096999479,7cyclictest1029990-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:16:143
902096999479,7cyclictest1029990-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:16:143
902101999386,3cyclictest0-21swapper/420:47:394
902096999379,7cyclictest942355-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
21:05:353
902101999185,3cyclictest0-21swapper/420:05:244
902096999177,7cyclictest965082-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
22:09:153
902089999176,7cyclictest1029990-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:13:541
902089999176,7cyclictest1029990-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
22:13:531
9310482900,5sleep50-21swapper/520:20:245
902085999060,7cyclictest936837-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:43:520
902101998977,6cyclictest953972-21diskmemload-423:30:254
902101998977,6cyclictest953972-21diskmemload-423:30:254
902105998883,2cyclictest0-21swapper/523:15:335
902096998875,7cyclictest1058100-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:00:173
902096998874,7cyclictest1202269-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
00:25:373
902096998874,7cyclictest1202269-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
00:25:373
902089998874,7cyclictest1036677-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
22:35:091
902089998854,16cyclictest930009-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
20:52:161
902085998867,14cyclictest950464-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:40:480
902101998781,3cyclictest0-21swapper/421:38:134
902101998781,3cyclictest0-21swapper/419:17:334
902101998781,3cyclictest0-21swapper/400:36:294
902101998775,6cyclictest953972-21diskmemload-400:24:344
902096998773,7cyclictest1125908-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:02:203
902096998773,7cyclictest1058100-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:48:343
902096998773,7cyclictest1058100-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
22:48:343
902094998762,21cyclictest210-21kswapd000:25:162
902094998762,21cyclictest210-21kswapd000:25:152
902089998774,7cyclictest965082-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:22:141
902089998774,7cyclictest965082-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:22:141
902085998728,52cyclictest1088650-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:15:050
902101998673,8cyclictest1096194-21ssh23:02:004
902101998665,4cyclictest1180698-21sh00:06:304
902096998672,7cyclictest950464-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:10:243
902096998672,7cyclictest950464-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:10:233
902096998656,8cyclictest1088650-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:32:503
902096998656,8cyclictest1088650-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:32:503
902085998673,6cyclictest942355-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
20:58:120
902105998578,3cyclictest0-21swapper/522:41:115
902105998578,3cyclictest0-21swapper/522:41:115
902085998546,17cyclictest981160-21awk21:35:010
90208599853,12cyclictest0-21swapper/000:00:330
9988472840,4sleep30-21swapper/321:48:013
902101998478,3cyclictest0-21swapper/400:04:334
902085998473,8cyclictest1125908-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
23:50:370
90208599844,56cyclictest1186512-21sh00:10:470
902085998430,29cyclictest936837-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
20:45:270
90027328455,20sleep50-21swapper/519:05:155
902105998378,2cyclictest0-21swapper/522:37:355
902105998378,2cyclictest0-21swapper/521:50:375
902105998377,3cyclictest0-21swapper/520:15:355
902096998370,7cyclictest930009-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:00:243
902096998369,7cyclictest965082-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
21:52:443
902105998275,3cyclictest0-21swapper/500:27:345
902105998275,3cyclictest0-21swapper/500:27:345
902101998275,4cyclictest0-21swapper/423:29:124
902101998275,3cyclictest0-21swapper/421:21:574
902101998275,3cyclictest0-21swapper/421:21:564
902101998275,3cyclictest0-21swapper/420:17:394
902101998275,3cyclictest0-21swapper/400:19:134
902101998274,3cyclictest0-21swapper/423:14:314
902101998273,4cyclictest0-21swapper/419:46:404
902101998268,8cyclictest1144809-21ssh23:39:544
902101998268,8cyclictest1144809-21ssh23:39:544
902096998268,7cyclictest905707-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
19:40:333
902096998268,7cyclictest1088650-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
23:12:483
90208599821,54cyclictest1008813-21ntpq21:55:290
902101998174,4cyclictest0-21swapper/421:12:284
902101998174,4cyclictest0-21swapper/421:12:284
902101998174,3cyclictest0-21swapper/423:59:144
902096998168,6cyclictest1125908-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
00:15:473
902096998167,7cyclictest901866-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
19:10:203
902096998167,7cyclictest1144424-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
23:45:073
902096998166,7cyclictest950464-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:20:303
902096998166,7cyclictest950464-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
21:20:293
902089998166,8cyclictest930009-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
20:40:021
902085998171,7cyclictest1098318-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
23:29:340
902105998071,5cyclictest0-21swapper/519:41:075
902101998073,3cyclictest0-21swapper/422:51:344
902101998067,7cyclictest953972-21diskmemload-421:55:274
902101998066,8cyclictest1155199-21ssh23:47:114
902096998067,7cyclictest979907-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
21:56:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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