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2026-08-10 - 21:38
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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 Mon Aug 10, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
72862650,0sleep40-21swapper/410:08:114
318032570,0sleep60-21swapper/611:32:226
3179525428,9sleep40-21swapper/407:04:424
280542540,3sleep73203999cyclictest10:28:407
2942425226,9sleep30-21swapper/307:01:043
268612520,0sleep30-21swapper/309:11:393
270602510,0sleep00-21swapper/011:28:160
3161825026,8sleep60-21swapper/607:02:116
194642500,0sleep60-21swapper/610:30:076
58302480,0sleep50-21swapper/510:10:045
324772460,1sleep2321ktimersoftd/209:17:472
127972460,0sleep50-21swapper/510:39:195
3172224533,8sleep70-21swapper/707:03:407
305192450,0sleep70-21swapper/712:14:447
3186424432,9sleep20-21swapper/207:05:362
273522440,0sleep70-21swapper/709:17:287
262452440,0sleep20-21swapper/211:22:252
239272440,0sleep123926-21id11:26:081
161562440,1sleep516157-21bash09:18:465
69932430,0sleep00-21swapper/012:15:170
276442430,0sleep30-21swapper/312:18:243
223782430,2sleep33201999cyclictest11:31:473
207872430,0sleep00-21swapper/010:24:240
238292420,0sleep00-21swapper/010:18:480
200272420,0sleep00-21swapper/009:09:200
105572420,0sleep40-21swapper/410:12:114
7312410,0sleep70-21swapper/709:31:137
51582410,0sleep00-21swapper/009:46:520
3163124129,9sleep10-21swapper/107:02:221
298332410,0sleep20-21swapper/212:08:542
115632410,0sleep30-21swapper/310:18:033
101552410,0sleep30-21swapper/312:05:513
3165324027,9sleep50-21swapper/507:02:425
283572400,0sleep50-21swapper/512:06:495
212362400,0sleep10-21swapper/109:42:051
200492400,0sleep20-21swapper/210:18:342
323592390,0sleep10-21swapper/112:34:081
323592390,0sleep10-21swapper/112:34:081
3170623927,8sleep00-21swapper/007:03:250
253652390,0sleep40-21swapper/410:20:524
174592390,0sleep30-21swapper/309:16:523
158542390,0sleep00-21swapper/012:31:110
158542390,0sleep00-21swapper/012:31:110
125412380,0sleep10-21swapper/112:09:491
83962370,0sleep20-21swapper/210:42:532
320702370,0sleep60-21swapper/609:07:506
267702370,2sleep23201399cyclictest10:38:122
282022360,0sleep10-21swapper/111:22:321
154432360,0sleep10-21swapper/111:33:211
25152280,11sleep685150irq/25-em1-rx-011:09:326
32007992510,1cyclictest25-21ksoftirqd/110:54:311
3200799225,2cyclictest25-21ksoftirqd/112:29:191
32007992116,3cyclictest25-21ksoftirqd/111:08:311
32007992115,3cyclictest25-21ksoftirqd/110:44:571
3200799207,2cyclictest25-21ksoftirqd/111:56:191
3200799206,1cyclictest25-21ksoftirqd/111:15:131
3200799203,3cyclictest25-21ksoftirqd/110:21:451
281832200,0sleep60-21swapper/611:16:446
3200799194,1cyclictest25-21ksoftirqd/109:33:371
32007991916,1cyclictest25-21ksoftirqd/110:40:391
223112190,0sleep30-21swapper/310:55:193
3200799188,2cyclictest25-21ksoftirqd/112:17:261
3200799185,1cyclictest25-21ksoftirqd/112:13:311
3200799182,3cyclictest25-21ksoftirqd/110:05:131
3200799182,3cyclictest25-21ksoftirqd/109:36:321
32007991816,1cyclictest25-21ksoftirqd/110:47:241
32007991816,1cyclictest25-21ksoftirqd/110:26:091
32007991815,2cyclictest25-21ksoftirqd/111:02:591
3200799181,2cyclictest121rcu_preempt10:57:501
32006991814,1cyclictest9-21ksoftirqd/011:49:350
32006991812,2cyclictest9-21ksoftirqd/010:48:570
3200699181,4cyclictest709-21systemd-logind11:09:080
85022170,0sleep50-21swapper/512:03:455
32030991714,2cyclictest57-21ksoftirqd/512:17:315
3202299173,12cyclictest366-21jbd2/sda2-812:07:474
32022991714,1cyclictest49-21ksoftirqd/411:12:414
32022991712,3cyclictest49-21ksoftirqd/410:30:374
3200799177,1cyclictest25-21ksoftirqd/109:18:001
32007991716,1cyclictest25-21ksoftirqd/112:21:061
32007991715,1cyclictest25-21ksoftirqd/111:48:461
32007991715,1cyclictest25-21ksoftirqd/110:17:451
32007991713,3cyclictest25-21ksoftirqd/109:59:041
32007991712,1cyclictest25-21ksoftirqd/111:54:501
3200799171,1cyclictest25-21ksoftirqd/109:46:321
3200799171,1cyclictest131rcu_sched10:13:261
3200799171,1cyclictest121rcu_preempt10:10:191
3200799170,1cyclictest25-21ksoftirqd/110:32:441
32006991715,1cyclictest9-21ksoftirqd/012:06:130
32006991715,1cyclictest9-21ksoftirqd/011:41:100
32006991715,1cyclictest9-21ksoftirqd/011:35:570
32006991715,1cyclictest9-21ksoftirqd/010:54:510
32006991715,1cyclictest9-21ksoftirqd/010:27:400
32006991715,1cyclictest9-21ksoftirqd/010:08:530
32006991715,1cyclictest9-21ksoftirqd/009:57:480
32006991715,1cyclictest9-21ksoftirqd/009:28:300
32006991713,4cyclictest9-21ksoftirqd/011:53:510
3200699171,3cyclictest15228-21grepconf.sh09:51:170
323362160,1sleep5859-21gdbus10:48:085
32022991615,1cyclictest49-21ksoftirqd/410:43:254
32022991615,1cyclictest49-21ksoftirqd/410:40:214
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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