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2026-04-30 - 15:07
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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 Thu Apr 30, 2026 12:46:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33021419914340,85cyclictest3479054-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:03:150
33021419914340,85cyclictest3479054-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
11:03:150
330215399135122,6cyclictest3426136-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:25:433
33021419913531,80cyclictest3522352-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:29:190
330216099132125,3cyclictest0-21swapper/411:00:534
330216099132125,3cyclictest0-21swapper/411:00:534
330215399131116,7cyclictest3377783-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:35:373
33021419912898,23cyclictest3466879-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:01:070
330216599123117,3cyclictest0-21swapper/510:40:465
33021509912390,9cyclictest3587879-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:21:112
3302141991222,63cyclictest3551559-21head11:50:180
3302141991222,63cyclictest3551559-21head11:50:170
33021419912197,16cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:05:170
33021419912197,16cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:05:170
33021419912030,7cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
07:20:280
330215099119105,7cyclictest3532352-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
11:36:032
33021419911932,7cyclictest3580039-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
12:35:450
33021419911722,3cyclictest0-21swapper/009:40:370
3302141991161,85cyclictest0-21swapper/008:29:270
3302141991161,85cyclictest0-21swapper/008:29:260
3302141991151,102cyclictest0-21swapper/008:43:250
3302141991151,102cyclictest0-21swapper/008:43:240
330215099114102,6cyclictest3440884-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:30:462
330216099113107,3cyclictest0-21swapper/408:10:174
33021609911299,8cyclictest3464566-21ssh10:40:474
33021539911298,7cyclictest3310603-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:35:083
33021539911298,7cyclictest3310603-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
07:35:073
3302141991122,5cyclictest3426247-21find10:10:440
330216599111105,3cyclictest0-21swapper/507:30:055
33021419911132,74cyclictest13-21ksoftirqd/008:00:010
330216599109103,3cyclictest0-21swapper/507:45:065
33021419910979,23cyclictest3496247-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:10:550
3302141991095,78cyclictest0-21swapper/012:05:410
33021419910937,27cyclictest68950irq/527-eth0-Tx10:40:330
33021419910817,3cyclictest0-21swapper/011:35:340
3302141991081,24cyclictest3531008-21rm11:34:010
3302141991072,54cyclictest0-21swapper/011:43:550
33021419910627,23cyclictest0-21swapper/011:15:450
3302141991061,83cyclictest0-21swapper/008:35:040
3302141991061,82cyclictest0-21swapper/009:09:090
3302141991061,82cyclictest0-21swapper/009:09:080
33021539910572,9cyclictest3540870-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
11:45:233
3302141991051,86cyclictest0-21swapper/008:58:490
3302141991051,86cyclictest0-21swapper/008:58:480
33021509910492,6cyclictest3355247-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:15:362
33021509910492,6cyclictest3355247-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
09:15:352
33021419910419,3cyclictest0-21swapper/010:04:270
33021419910419,3cyclictest0-21swapper/010:04:260
3302141991041,51cyclictest3399329-21ssh09:50:120
3302141991041,51cyclictest3399329-21ssh09:50:120
33021419910373,26cyclictest3397529-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:05:410
3302141991031,50cyclictest3577390-21ssh12:10:300
33021469910290,6cyclictest3350445-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:17:351
33021469910290,6cyclictest3350445-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:17:341
33021419910266,16cyclictest3345147-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
09:25:370
3302141991021,83cyclictest0-21swapper/008:51:590
33021609910196,2cyclictest0-21swapper/410:57:354
33021609910196,2cyclictest0-21swapper/410:57:344
33021609910188,8cyclictest3556395-21ssh11:54:104
33021609910188,8cyclictest3556395-21ssh11:54:104
33021419910173,24cyclictest3573118-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
12:27:440
33021419910152,12cyclictest0-21swapper/008:48:380
3302141991001,66cyclictest0-21swapper/009:03:460
330214199991,62cyclictest0-21swapper/008:30:250
330214199991,5cyclictest48-21rcuop/409:39:290
3302146999775,9cyclictest3458477-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:41:351
330214199972,9cyclictest0-21swapper/009:15:350
330214199972,9cyclictest0-21swapper/009:15:340
3302141999728,21cyclictest69250irq/530-eth0-Tx10:55:130
3302141999728,21cyclictest69250irq/530-eth0-Tx10:55:120
330214199972,56cyclictest3602807-21taskset12:30:380
3302141999724,34cyclictest3471820-21env10:46:460
3302141999724,34cyclictest3471820-21env10:46:460
3302150999565,7cyclictest3426136-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:49:402
3302150999565,7cyclictest3426136-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
10:49:392
3302141999557,17cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
07:40:430
3302141999523,33cyclictest3584934-21chrt12:16:110
3302150999481,6cyclictest3397529-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
10:10:422
3302150999379,7cyclictest3313954-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:40:232
3302150999379,7cyclictest3313954-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
08:40:222
3302150999362,9cyclictest3350445-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:35:402
3302141999257,27cyclictest3281620-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
07:25:190
3302146999182,6cyclictest3350445-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
09:44:351
3302160999086,2cyclictest0-21swapper/407:30:054
3302160999080,6cyclictest3471121-21ssh10:46:024
3302160999080,6cyclictest3471121-21ssh10:46:014
3302150999075,8cyclictest3563901-21kworker/u12:0+events_unbound@
flush_memcg_stats_dwork
12:05:422
3302150999075,8cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:05:162
3302150999075,8cyclictest3306030-21kworker/u12:2+events_unbound@
flush_memcg_stats_dwork
08:05:152
3302146999061,7cyclictest3466879-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:47:571
3302146999061,7cyclictest3466879-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
10:47:571
3302165998983,3cyclictest0-21swapper/511:46:055
3302165998983,3cyclictest0-21swapper/508:07:255
3302165998983,3cyclictest0-21swapper/508:07:245
3302160998984,3cyclictest0-21swapper/407:45:064
3302153998977,6cyclictest3466879-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:05:543
3302150998974,7cyclictest3466879-21kworker/u12:3+events_unbound@
flush_memcg_stats_dwork
11:25:592
3302165998881,3cyclictest0-21swapper/509:57:035
3302165998881,3cyclictest0-21swapper/509:57:035
3302153998876,6cyclictest3414839-21kworker/u12:1+events_unbound@
flush_memcg_stats_dwork
10:40:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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