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2026-08-20 - 20:41
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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 Aug 20, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43882880,0sleep00-21swapper/011:16:480
312692660,2sleep3970699cyclictest12:12:183
213502600,1sleep121351-21grepconf.sh09:58:331
178382550,1sleep517836-21bash10:09:105
34242530,0sleep00-21swapper/010:01:040
71012520,0sleep10-21swapper/111:38:361
71012520,0sleep10-21swapper/111:38:361
46432510,0sleep30-21swapper/312:18:033
93852500,0sleep70-21swapper/711:51:157
61402490,0sleep20-21swapper/211:43:582
33592490,2sleep0970399cyclictest12:03:340
46072480,0sleep6631rcuc/610:37:146
13302480,1sleep71329-21systemd10:04:397
955124725,8sleep10-21swapper/107:05:291
263132470,0sleep00-21swapper/010:38:280
168452470,0sleep30-21swapper/311:17:323
56412460,0sleep30-21swapper/312:32:283
47412450,0sleep2758-21runrttasks09:35:592
135542450,0sleep30-21swapper/310:01:393
5992440,0sleep30-21swapper/311:38:143
5992440,0sleep30-21swapper/311:38:143
192482440,1sleep41-21systemd11:37:274
192482440,1sleep41-21systemd11:37:274
150172440,0sleep315020-21systemd09:20:303
253162430,0sleep7721ktimersoftd/710:47:247
112192430,0sleep30-21swapper/312:04:013
950724231,8sleep30-21swapper/307:04:593
940524223,15sleep40-21swapper/407:03:314
270052420,0sleep10-21swapper/112:04:551
212482420,0sleep10-21swapper/111:26:431
116662410,0sleep50-21swapper/510:10:385
950024027,9sleep50-21swapper/507:04:535
942124027,9sleep20-21swapper/207:03:452
929224027,9sleep70-21swapper/707:01:587
33332400,0sleep70-21swapper/711:25:457
325922400,0sleep00-21swapper/010:45:570
281582400,0sleep40-21swapper/410:04:204
219502400,0sleep60-21swapper/611:55:396
167052400,0sleep60-21swapper/611:21:036
137342400,1sleep233-21ksoftirqd/209:54:332
131652400,0sleep40-21swapper/411:51:294
941923927,8sleep00-21swapper/007:03:430
708223926,9sleep60-21swapper/607:00:376
235802390,0sleep10-21swapper/111:07:041
319942380,2sleep5970899cyclictest12:33:585
27142380,0sleep60-21swapper/612:26:556
165792380,0sleep60-21swapper/608:10:516
164452370,0sleep20-21swapper/211:24:432
252892340,0sleep60-21swapper/610:45:396
168232270,0sleep70-21swapper/711:12:077
9706992215,5cyclictest41-21ksoftirqd/309:32:343
9706992117,1cyclictest41-21ksoftirqd/310:07:193
9703992115,3cyclictest9-21ksoftirqd/009:25:320
9706992018,1cyclictest41-21ksoftirqd/312:23:103
9706991915,1cyclictest41-21ksoftirqd/310:37:303
9703991913,5cyclictest9-21ksoftirqd/011:48:500
9706991816,1cyclictest41-21ksoftirqd/310:24:413
9706991816,1cyclictest41-21ksoftirqd/310:11:353
9706991816,1cyclictest41-21ksoftirqd/309:13:453
9706991815,2cyclictest41-21ksoftirqd/310:34:023
9706991815,2cyclictest41-21ksoftirqd/309:46:233
9706991815,1cyclictest41-21ksoftirqd/311:30:133
9706991814,3cyclictest41-21ksoftirqd/309:07:543
9706991814,1cyclictest41-21ksoftirqd/311:10:243
32762180,0sleep53279-21kworker/u16:211:36:325
32762180,0sleep53279-21kworker/u16:211:36:325
970699172,3cyclictest41-21ksoftirqd/311:11:153
9706991716,1cyclictest41-21ksoftirqd/311:21:553
9706991715,1cyclictest464-21systemd-journal11:51:463
9706991715,1cyclictest41-21ksoftirqd/311:47:463
9706991715,1cyclictest41-21ksoftirqd/310:53:403
9706991715,1cyclictest41-21ksoftirqd/310:18:063
9706991715,1cyclictest41-21ksoftirqd/309:41:493
9706991715,1cyclictest41-21ksoftirqd/309:36:523
9706991715,1cyclictest41-21ksoftirqd/309:29:593
9706991715,1cyclictest41-21ksoftirqd/309:20:433
9706991714,1cyclictest41-21ksoftirqd/311:56:413
9706991713,3cyclictest41-21ksoftirqd/311:34:203
9706991713,3cyclictest41-21ksoftirqd/309:50:413
9706991711,4cyclictest41-21ksoftirqd/309:59:143
9703991712,3cyclictest9-21ksoftirqd/009:47:190
307732170,0sleep00-21swapper/012:15:510
247972170,1sleep124794-21sshd09:44:231
240242170,0sleep60-21swapper/611:34:086
224442170,1sleep022445-21sshd12:06:220
216332170,1sleep021617-21sshd11:30:260
970899165,3cyclictest464-21systemd-journal10:04:155
9706991615,1cyclictest41-21ksoftirqd/312:30:313
9706991615,1cyclictest41-21ksoftirqd/312:08:483
9706991615,1cyclictest41-21ksoftirqd/311:41:323
9706991615,1cyclictest41-21ksoftirqd/310:27:393
9706991614,1cyclictest41-21ksoftirqd/311:00:373
9706991614,1cyclictest41-21ksoftirqd/310:45:473
9706991614,1cyclictest41-21ksoftirqd/310:43:323
9706991614,1cyclictest41-21ksoftirqd/310:43:323
970599162,8cyclictest6357-21bash09:46:532
9703991615,1cyclictest9-21ksoftirqd/011:57:120
9703991615,1cyclictest9-21ksoftirqd/011:41:550
9703991615,1cyclictest9-21ksoftirqd/010:57:330
9703991614,1cyclictest9-21ksoftirqd/012:30:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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