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2025-12-18 - 12:14
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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 100 highest latencies:
System rack3slot0.osadl.org (updated Thu Dec 18, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
87942730,0sleep00-21swapper/023:51:360
177112480,0sleep10-21swapper/100:00:181
204952430,0sleep30-21swapper/323:47:143
242202420,0sleep20-21swapper/221:44:042
2002324229,9sleep70-21swapper/719:08:287
1987624231,8sleep40-21swapper/419:06:244
2008824137,1sleep50-21swapper/519:09:225
1990224129,8sleep30-21swapper/319:06:473
1989224129,9sleep20-21swapper/219:06:382
148542410,1sleep114853-21sshd23:45:521
293492400,0sleep30-21swapper/322:40:033
1984424028,9sleep10-21swapper/119:05:571
1981423927,8sleep00-21swapper/019:05:320
1982023826,9sleep60-21swapper/619:05:386
30492350,0sleep00-21swapper/023:09:070
20327992120,1cyclictest49-21ksoftirqd/400:20:014
20327992117,3cyclictest49-21ksoftirqd/421:11:234
20327992115,3cyclictest49-21ksoftirqd/423:39:354
20327992115,3cyclictest49-21ksoftirqd/423:39:354
20335991812,4cyclictest691-21systemd-logind21:37:415
2032799188,3cyclictest49-21ksoftirqd/421:17:264
20327991815,3cyclictest49-21ksoftirqd/423:11:164
20327991815,1cyclictest49-21ksoftirqd/422:09:404
20327991813,3cyclictest49-21ksoftirqd/423:29:494
20335991715,2cyclictest57-21ksoftirqd/522:30:085
20327991715,1cyclictest49-21ksoftirqd/421:24:174
20327991713,3cyclictest49-21ksoftirqd/400:07:374
20327991712,3cyclictest49-21ksoftirqd/422:51:464
20327991710,4cyclictest49-21ksoftirqd/422:00:014
2032799169,1cyclictest131rcu_sched22:24:374
2032799165,4cyclictest49-21ksoftirqd/422:34:264
20327991614,1cyclictest49-21ksoftirqd/423:49:244
20327991614,1cyclictest49-21ksoftirqd/421:55:334
20327991613,1cyclictest49-21ksoftirqd/421:40:244
20327991611,3cyclictest49-21ksoftirqd/423:09:354
20327991610,3cyclictest49-21ksoftirqd/422:25:204
20327991610,3cyclictest49-21ksoftirqd/422:25:204
20319991614,1cyclictest41-21ksoftirqd/322:00:513
2031999160,15cyclictest31713-21kworker/3:222:30:063
20335991513,1cyclictest32199-21systemd23:35:435
20335991513,1cyclictest32199-21systemd23:35:435
20335991512,2cyclictest11118-21systemd22:01:395
2032799156,5cyclictest49-21ksoftirqd/421:27:404
2032799154,2cyclictest49-21ksoftirqd/421:52:444
20327991513,1cyclictest49-21ksoftirqd/423:40:214
20327991513,1cyclictest49-21ksoftirqd/423:40:214
20327991513,1cyclictest49-21ksoftirqd/422:46:454
20327991513,1cyclictest49-21ksoftirqd/422:35:294
20327991512,3cyclictest49-21ksoftirqd/400:35:084
20327991512,3cyclictest49-21ksoftirqd/400:35:084
20327991512,2cyclictest49-21ksoftirqd/422:56:364
20327991512,1cyclictest49-21ksoftirqd/423:20:244
20327991511,1cyclictest49-21ksoftirqd/422:14:544
2032799151,3cyclictest49-21ksoftirqd/400:25:104
274062140,0sleep227409-21systemd-cgroups22:53:322
262972140,0sleep10-21swapper/100:23:161
20335991413,1cyclictest57-21ksoftirqd/521:18:205
20335991412,1cyclictest57-21ksoftirqd/523:49:115
20335991412,1cyclictest57-21ksoftirqd/521:20:075
20335991411,2cyclictest31665-21systemd23:01:055
20335991410,1cyclictest25892-21systemd22:11:415
20327991414,0cyclictest30239-21kworker/4:220:21:444
20327991413,1cyclictest49-21ksoftirqd/423:29:594
20327991413,1cyclictest49-21ksoftirqd/422:11:084
20327991412,1cyclictest49-21ksoftirqd/423:55:254
20327991412,1cyclictest49-21ksoftirqd/422:40:114
20327991412,1cyclictest49-21ksoftirqd/421:36:554
20327991412,1cyclictest49-21ksoftirqd/421:30:034
20327991412,1cyclictest49-21ksoftirqd/400:17:474
20327991412,1cyclictest49-21ksoftirqd/400:10:504
20327991410,1cyclictest49-21ksoftirqd/423:49:574
2032799140,2cyclictest49-21ksoftirqd/400:30:164
2031999149,3cyclictest41-21ksoftirqd/321:46:473
20319991413,1cyclictest41-21ksoftirqd/300:39:333
20319991413,1cyclictest41-21ksoftirqd/300:39:333
20319991412,1cyclictest41-21ksoftirqd/323:54:293
20319991412,1cyclictest41-21ksoftirqd/323:05:043
20319991412,1cyclictest41-21ksoftirqd/322:18:183
20319991412,1cyclictest41-21ksoftirqd/300:13:183
20319991411,2cyclictest41-21ksoftirqd/323:41:053
20319991411,2cyclictest41-21ksoftirqd/323:41:053
20319991411,2cyclictest25100-21systemd23:27:283
2031999140,1cyclictest131rcu_sched22:26:023
2031999140,1cyclictest131rcu_sched22:26:023
36192130,0sleep60-21swapper/622:14:036
20343991311,1cyclictest65-21ksoftirqd/622:39:336
20335991312,1cyclictest57-21ksoftirqd/523:27:595
20335991311,1cyclictest57-21ksoftirqd/500:17:425
20335991311,1cyclictest57-21ksoftirqd/500:03:075
20335991311,1cyclictest28706-21systemd00:37:375
20335991311,1cyclictest28706-21systemd00:37:375
20335991310,1cyclictest1-21systemd23:44:295
20335991310,1cyclictest1-21systemd23:44:295
2033599130,1cyclictest131rcu_sched21:42:485
2032799139,1cyclictest49-21ksoftirqd/423:01:234
20327991313,0cyclictest30239-21kworker/4:220:11:104
20327991312,1cyclictest49-21ksoftirqd/421:46:134
20327991312,1cyclictest49-21ksoftirqd/400:00:314
20327991312,1cyclictest30239-21kworker/4:219:43:364
20327991311,1cyclictest49-21ksoftirqd/423:15:264
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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