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2026-06-01 - 11:29
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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 Jun 01, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
946199132103,26cyclictest49-21ksoftirqd/423:09:034
296872720,1sleep729669-21bash23:45:107
9479997025,30cyclictest0-21swapper/623:09:046
188922540,1sleep718893-21sshd00:07:137
871125323,4sleep70-21swapper/719:03:547
185532510,0sleep20-21swapper/221:44:432
9487995011,18cyclictest23166-21sshd23:09:047
943999500,50cyclictest28699-21kworker/1:323:09:031
173012490,0sleep30-21swapper/322:27:453
903524826,8sleep50-21swapper/519:05:365
21872480,0sleep70-21swapper/722:02:347
216412480,0sleep70-21swapper/722:59:377
131922480,1sleep113194-21grepconf.sh21:50:031
131922480,1sleep113194-21grepconf.sh21:50:031
923424725,8sleep30-21swapper/319:08:223
212242470,0sleep00-21swapper/022:39:040
187172470,0sleep00-21swapper/000:33:330
125892470,0sleep60-21swapper/622:19:556
236972460,1sleep323694-21sshd22:35:303
236972460,1sleep323694-21sshd22:35:303
227702450,1sleep449-21ksoftirqd/423:48:364
217462450,0sleep70-21swapper/722:37:187
217462450,0sleep70-21swapper/722:37:187
315232440,0sleep20-21swapper/223:18:542
286312440,0sleep30-21swapper/321:58:303
267452440,0sleep30-21swapper/322:02:063
14982440,1sleep773-21ksoftirqd/721:34:237
917724322,4sleep40-21swapper/419:07:354
54032430,0sleep70-21swapper/700:23:237
278662430,0sleep50-21swapper/522:54:225
250192430,0sleep50-21swapper/522:44:535
237652420,0sleep30-21swapper/300:37:363
174612420,0sleep30-21swapper/323:10:383
13532420,1sleep51283-21sshd21:38:145
283852410,1sleep5946899cyclictest21:17:235
262482410,0sleep40-21swapper/423:41:154
177652410,0sleep70-21swapper/721:16:457
174812410,0sleep585250irq/26-em1-tx-023:31:235
106212410,0sleep00-21swapper/023:23:250
901824029,8sleep60-21swapper/619:05:216
672924027,9sleep00-21swapper/019:03:390
304442400,0sleep00-21swapper/000:07:540
277472400,0sleep10-21swapper/121:34:011
111762400,0sleep5551rcuc/522:06:495
909823928,8sleep10-21swapper/119:06:281
171712390,0sleep20-21swapper/221:20:252
136302390,1sleep51-21systemd22:33:085
946899380,38cyclictest27987-21kworker/u16:023:09:045
9431993817,21cyclictest25247-21kworker/0:223:09:040
907023826,8sleep20-21swapper/219:06:052
79352380,0sleep60-21swapper/600:34:436
9447993737,0cyclictest13550irq/24-ahci[00023:09:042
127632360,0sleep50-21swapper/521:44:225
156472350,2sleep7948799cyclictest21:53:537
17672270,11sleep685150irq/25-em1-rx-022:51:036
943999257,2cyclictest25-21ksoftirqd/100:13:531
9439992510,2cyclictest25-21ksoftirqd/123:48:201
943999249,1cyclictest25-21ksoftirqd/122:25:171
943999248,1cyclictest25-21ksoftirqd/123:53:431
943999248,1cyclictest25-21ksoftirqd/122:42:501
943999247,3cyclictest25-21ksoftirqd/100:31:491
943999246,1cyclictest25-21ksoftirqd/121:42:351
9439992411,3cyclictest25-21ksoftirqd/122:54:471
9439992410,1cyclictest25-21ksoftirqd/122:03:221
943999238,3cyclictest25-21ksoftirqd/123:06:411
943999237,1cyclictest25-21ksoftirqd/121:31:341
943999236,1cyclictest25-21ksoftirqd/122:18:181
943999236,1cyclictest25-21ksoftirqd/100:20:181
943999229,3cyclictest25-21ksoftirqd/123:16:491
943999229,2cyclictest25-21ksoftirqd/100:25:401
943999228,1cyclictest25-21ksoftirqd/121:25:561
943999227,1cyclictest25-21ksoftirqd/123:33:421
943999227,1cyclictest25-21ksoftirqd/123:33:421
943999226,3cyclictest25-21ksoftirqd/100:08:411
943999226,2cyclictest25-21ksoftirqd/122:51:251
9439992212,3cyclictest25-21ksoftirqd/123:18:451
9439992212,1cyclictest25-21ksoftirqd/123:25:261
943999219,1cyclictest25-21ksoftirqd/100:05:491
943999218,3cyclictest25-21ksoftirqd/123:42:091
943999217,4cyclictest25-21ksoftirqd/122:30:031
943999217,3cyclictest25-21ksoftirqd/121:20:151
943999217,1cyclictest25-21ksoftirqd/122:34:101
943999217,1cyclictest25-21ksoftirqd/122:34:101
943999217,1cyclictest25-21ksoftirqd/100:33:421
943999216,3cyclictest25-21ksoftirqd/122:04:391
943999215,3cyclictest25-21ksoftirqd/122:47:281
943999208,1cyclictest25-21ksoftirqd/123:50:231
943999208,1cyclictest25-21ksoftirqd/122:11:421
943999207,3cyclictest25-21ksoftirqd/100:03:291
943999206,3cyclictest25-21ksoftirqd/123:01:051
943999200,3cyclictest25-21ksoftirqd/121:46:121
225732200,1sleep322575-21grepconf.sh00:31:523
117212200,0sleep70-21swapper/723:31:017
946899194,2cyclictest57-21ksoftirqd/521:22:355
943999199,1cyclictest25-21ksoftirqd/121:11:371
943999198,3cyclictest25-21ksoftirqd/121:55:351
943999197,3cyclictest25-21ksoftirqd/121:16:201
243142190,0sleep70-21swapper/723:26:047
166482190,0sleep70-21swapper/723:04:587
9479991811,1cyclictest65-21ksoftirqd/621:52:596
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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