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2026-04-29 - 15:39
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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 Wed Apr 29, 2026 12:46:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9418839914483,53cyclictest1067686-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:00:080
941883991237,74cyclictest982057-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
09:10:420
9418839910550,32cyclictest957303-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
08:25:320
106140321050,5sleep10-21swapper/110:07:581
106140321050,5sleep10-21swapper/110:07:571
9418839910464,33cyclictest913241-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
07:15:220
9418839910343,53cyclictest973848-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:00:180
9418839910186,8cyclictest1030325-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:45:140
9418839910153,31cyclictest69250irq/530-eth0-Tx10:00:180
117583821010,4sleep00-21swapper/011:40:000
9418839910085,7cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:50:230
941887999985,7cyclictest1084896-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:28:191
941883999883,8cyclictest1144549-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:15:340
941883999784,6cyclictest1202059-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
12:38:460
941883999683,7cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:28:080
941883999683,7cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:28:080
941883999482,6cyclictest1164091-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:03:400
941883999234,6cyclictest0-21swapper/011:30:300
941883999234,6cyclictest0-21swapper/011:30:300
10075072920,9sleep41007508-21ssh09:25:044
10075072920,9sleep41007508-21ssh09:25:034
941892999077,7cyclictest993028-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:25:392
941892999077,7cyclictest993028-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:25:382
941883999076,8cyclictest1084896-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:35:340
941883999055,15cyclictest1009457-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:30:360
941883999055,15cyclictest1009457-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:30:350
941883999046,19cyclictest0-21swapper/012:10:370
941898998976,6cyclictest1018465-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
09:40:063
941887998873,8cyclictest993028-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:13:051
941887998873,7cyclictest1211088-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:08:551
94188399889,47cyclictest15-21rcuc/009:55:350
941898998775,6cyclictest1030325-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:49:333
941892998744,8cyclictest1009457-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:35:362
941887998756,11cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:00:341
941883998774,7cyclictest1076408-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:23:170
94188399872,39cyclictest0-21swapper/010:45:300
94188399871,69cyclictest990223-21diskmemload11:45:110
94188399871,69cyclictest990223-21diskmemload11:45:110
941907998679,3cyclictest0-21swapper/511:31:155
941907998679,3cyclictest0-21swapper/511:31:155
941898998571,7cyclictest1218683-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:30:233
941898998571,7cyclictest1218683-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:30:233
941892998564,9cyclictest1067686-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:40:202
941883998562,16cyclictest1144549-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:24:010
941883998525,37cyclictest68950irq/527-eth0-Tx10:25:250
941903998377,3cyclictest0-21swapper/409:30:584
941903998377,3cyclictest0-21swapper/409:30:574
94188399832,65cyclictest47-21rcuog/411:10:380
941903998276,2cyclictest0-21swapper/412:23:434
941903998268,8cyclictest1031443-21ssh09:44:014
941903998175,3cyclictest0-21swapper/407:45:334
941903998175,3cyclictest0-21swapper/407:45:334
941898998168,6cyclictest1123779-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:03:243
941898998166,7cyclictest954755-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:02:503
941898998166,7cyclictest954755-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:02:493
941892998167,7cyclictest954755-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:15:352
941892998167,7cyclictest954755-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:15:342
12162722810,6sleep20-21swapper/212:11:532
941907998073,3cyclictest0-21swapper/510:15:015
941907998073,3cyclictest0-21swapper/510:15:005
941903998069,5cyclictest1064902-21ssh10:10:334
941903998069,5cyclictest1064902-21ssh10:10:324
941903998068,6cyclictest993553-21diskmemload-410:06:044
941903998068,6cyclictest993553-21diskmemload-410:06:034
941898998066,7cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:36:243
94188399809,55cyclictest47-21rcuog/410:50:410
941907997974,2cyclictest0-21swapper/508:55:375
941907997972,3cyclictest0-21swapper/509:30:585
941907997972,3cyclictest0-21swapper/509:30:575
941903997966,7cyclictest1114508-21ssh10:50:334
941903997965,8cyclictest993553-21diskmemload-411:34:534
941903997965,8cyclictest993553-21diskmemload-411:34:534
941892997965,7cyclictest1093347-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
10:45:342
941883997969,7cyclictest1240336-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:34:560
941883997969,7cyclictest1240336-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:34:560
941883997969,7cyclictest1114723-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:58:050
941883997964,8cyclictest973848-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
08:30:370
941903997872,3cyclictest0-21swapper/407:32:044
941903997870,4cyclictest0-21swapper/411:17:514
941903997865,7cyclictest993553-21diskmemload-411:00:394
941903997865,7cyclictest1040156-21ssh09:50:384
941892997863,7cyclictest1067686-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:18:172
941892997863,7cyclictest1067686-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:18:162
941887997864,6cyclictest1030325-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:53:571
941887997863,8cyclictest1144549-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:23:041
941883997869,6cyclictest957303-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
08:47:570
941883997864,8cyclictest1060347-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:15:150
941883997864,8cyclictest1060347-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:15:150
94188399781,62cyclictest941876-21cyclictest08:19:020
94188399781,62cyclictest941876-21cyclictest08:19:020
941907997770,3cyclictest0-21swapper/507:20:385
941898997763,7cyclictest1180477-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:48:343
941898997763,7cyclictest1180477-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:48:333
941898997762,8cyclictest1202059-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
12:39:233
941892997763,7cyclictest1218683-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:21:352
941887997762,7cyclictest1002790-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:48:151
941887997746,17cyclictest1150988-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:39:591
941883997763,8cyclictest1180477-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:55:360
941883997748,12cyclictest1114723-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:09:550
941907997671,2cyclictest0-21swapper/512:23:435
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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