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2026-08-11 - 03:55
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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 Tue Aug 11, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
58062830,0sleep10-21swapper/122:34:091
25612820,2sleep41533099cyclictest21:59:204
116032810,0sleep50-21swapper/522:19:075
247272780,0sleep30-21swapper/300:26:563
88322770,2sleep61533999cyclictest21:11:336
15330997637,31cyclictest49-21ksoftirqd/421:55:034
70432680,0sleep10-21swapper/121:55:491
15332996825,22cyclictest0-21swapper/521:55:035
15317996561,2cyclictest26591-21cp21:55:022
62582550,0sleep60-21swapper/600:25:556
15339995251,1cyclictest0-21swapper/621:55:036
91782510,1sleep665-21ksoftirqd/622:07:236
1506825127,8sleep70-21swapper/719:04:117
262372500,0sleep30-21swapper/323:58:123
262372500,0sleep30-21swapper/323:58:123
1494125026,8sleep40-21swapper/419:02:324
213662490,0sleep50-21swapper/522:50:315
312002480,0sleep50-21swapper/522:54:555
7072470,0sleep30-21swapper/321:45:503
62662460,0sleep60-21swapper/600:10:336
290642460,0sleep60-21swapper/622:25:576
1511324624,8sleep30-21swapper/319:04:473
58022450,0sleep30-21swapper/322:14:573
38892450,0sleep50-21swapper/521:46:005
35232440,0sleep10-21swapper/121:22:491
264262440,1sleep773-21ksoftirqd/723:44:477
245242440,0sleep40-21swapper/421:16:194
220902440,0sleep50-21swapper/523:46:215
11892440,0sleep20-21swapper/223:35:372
42602430,0sleep04255-21sshd23:04:520
283742430,1sleep028327-21sshd00:19:320
263672430,1sleep3758-21runrttasks00:07:503
233252430,0sleep40-21swapper/423:17:294
1492524329,10sleep60-21swapper/619:02:186
36532420,0sleep7711rcuc/723:49:117
35082420,0sleep40-21swapper/422:49:264
253432420,0sleep40-21swapper/422:04:334
6382410,0sleep60-21swapper/623:56:396
6382410,0sleep60-21swapper/623:56:396
52942410,2sleep31532399cyclictest22:37:553
38462410,0sleep60-21swapper/622:03:156
33992410,0sleep00-21swapper/021:06:540
249702410,0sleep60-21swapper/622:54:326
160032410,0sleep10-21swapper/122:23:121
1513324129,8sleep50-21swapper/519:05:055
102032410,0sleep00-21swapper/000:24:120
39242400,0sleep20-21swapper/221:32:272
280812400,0sleep00-21swapper/021:55:080
27802400,0sleep70-21swapper/721:40:097
234232400,0sleep50-21swapper/522:31:175
214692400,1sleep221468-21grepconf.sh00:15:172
174492400,0sleep60-21swapper/623:25:006
1496424028,9sleep10-21swapper/119:02:451
1492824027,9sleep00-21swapper/019:02:200
86552390,0sleep00-21swapper/022:01:320
77412390,0sleep00-21swapper/021:32:410
76632390,0sleep30-21swapper/323:34:023
277832390,0sleep60-21swapper/622:41:116
264932390,0sleep40-21swapper/422:54:384
244422390,2sleep11531699cyclictest22:39:061
1488523927,8sleep20-21swapper/219:01:422
285452380,0sleep50-21swapper/522:08:345
15330992811,3cyclictest49-21ksoftirqd/421:31:514
15330992611,2cyclictest121rcu_preempt22:11:124
1531799258,1cyclictest33-21ksoftirqd/223:57:132
1531799258,1cyclictest33-21ksoftirqd/223:57:132
15330992412,3cyclictest49-21ksoftirqd/421:37:444
15330992410,3cyclictest49-21ksoftirqd/422:38:134
1533099236,1cyclictest49-21ksoftirqd/400:16:164
15330992311,1cyclictest49-21ksoftirqd/422:31:404
103322230,0sleep20-21swapper/200:26:072
1533099229,2cyclictest49-21ksoftirqd/422:26:344
1533099227,3cyclictest49-21ksoftirqd/423:34:144
15330992212,2cyclictest49-21ksoftirqd/423:23:554
15330992212,2cyclictest49-21ksoftirqd/422:58:174
15330992212,1cyclictest49-21ksoftirqd/400:24:074
15330992211,3cyclictest49-21ksoftirqd/421:30:114
1533099219,2cyclictest49-21ksoftirqd/421:07:464
1533099217,2cyclictest49-21ksoftirqd/423:36:074
1533099216,1cyclictest49-21ksoftirqd/423:30:364
15330992111,4cyclictest49-21ksoftirqd/423:53:134
15330992111,2cyclictest49-21ksoftirqd/423:02:194
15330992110,2cyclictest49-21ksoftirqd/423:07:554
15330992110,2cyclictest49-21ksoftirqd/423:07:554
1532399210,21cyclictest18792-21kworker/3:221:55:033
15317992118,3cyclictest33-21ksoftirqd/223:47:302
191352200,0sleep219124-21sshd22:44:352
1533099209,3cyclictest49-21ksoftirqd/421:48:104
1533099207,1cyclictest49-21ksoftirqd/423:45:564
1533099207,1cyclictest49-21ksoftirqd/423:42:284
15330992010,2cyclictest49-21ksoftirqd/422:20:054
15330992010,1cyclictest49-21ksoftirqd/421:44:414
1531799208,1cyclictest33-21ksoftirqd/223:17:392
15317992015,1cyclictest33-21ksoftirqd/221:16:232
115192200,0sleep70-21swapper/721:13:427
9332190,0sleep40-21swapper/400:08:154
1533099198,3cyclictest49-21ksoftirqd/421:13:194
1533099197,1cyclictest49-21ksoftirqd/400:26:144
1533099197,1cyclictest49-21ksoftirqd/400:01:134
1533099196,3cyclictest49-21ksoftirqd/400:31:094
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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