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2026-09-22 - 10:56
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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 Sep 22, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1096321020,1sleep710944-21sshd22:57:107
29022940,0sleep70-21swapper/723:16:007
129902880,0sleep70-21swapper/700:10:227
313262680,0sleep1595399cyclictest22:14:031
574425625,18sleep10-21swapper/119:04:091
40442550,1sleep34037-21sshd23:25:413
93452500,0sleep10-21swapper/100:06:241
562324926,8sleep50-21swapper/519:02:295
554424925,9sleep20-21swapper/219:01:222
306342480,0sleep20-21swapper/222:12:042
69452470,1sleep72433-21kworker/7:200:00:137
49832470,0sleep30-21swapper/321:45:213
35682470,0sleep70-21swapper/723:23:537
95162460,0sleep50-21swapper/522:32:095
73562460,0sleep60-21swapper/621:31:316
219462450,0sleep10-21swapper/122:04:021
72692440,1sleep37272-21kworker/u16:221:19:503
179142440,0sleep00-21swapper/000:26:090
17462440,0sleep40-21swapper/423:04:284
12362440,1sleep21229-21sshd21:58:582
41532430,1sleep24152-21grepconf.sh22:31:502
219182430,0sleep50-21swapper/523:28:395
167452430,1sleep4471rcuc/400:12:364
104172430,2sleep5597999cyclictest22:55:085
87862420,1sleep48785-21grepconf.sh00:23:494
546224229,9sleep40-21swapper/419:00:194
41212420,0sleep40-21swapper/422:37:284
289902420,0sleep50-21swapper/522:23:205
284002420,0sleep10-21swapper/123:30:521
282242420,1sleep31-21systemd00:05:303
241772420,1sleep724175-21grepconf.sh23:24:577
216062420,1sleep7711rcuc/700:24:327
182872420,1sleep618290-21grepconf.sh00:32:006
33572410,0sleep30-21swapper/323:38:553
225792410,0sleep222572-21sshd23:03:462
188662410,0sleep0111rcuc/022:18:580
171012410,0sleep40-21swapper/423:51:134
552324029,8sleep30-21swapper/319:01:063
545524027,9sleep60-21swapper/619:00:136
258062400,0sleep00-21swapper/021:46:390
218662400,0sleep30-21swapper/322:11:323
215512400,1sleep3596799cyclictest23:39:513
175742400,0sleep40-21swapper/421:24:164
550923927,8sleep00-21swapper/019:00:550
541623927,8sleep70-21swapper/718:59:427
197052380,0sleep20-21swapper/221:22:302
220642340,0sleep022066-21grepconf.sh21:20:440
5979993015,3cyclictest57-21ksoftirqd/521:39:185
209902280,1sleep220988-21bash21:32:232
597999259,1cyclictest57-21ksoftirqd/523:02:005
5979992412,2cyclictest57-21ksoftirqd/522:03:335
597999238,3cyclictest57-21ksoftirqd/521:04:285
5979992311,1cyclictest57-21ksoftirqd/522:12:255
597999229,2cyclictest57-21ksoftirqd/523:40:165
597999229,1cyclictest57-21ksoftirqd/523:52:265
597999228,4cyclictest57-21ksoftirqd/523:30:165
5979992211,1cyclictest57-21ksoftirqd/500:13:555
595999227,1cyclictest33-21ksoftirqd/200:19:082
5959992214,4cyclictest121rcu_preempt22:28:322
597999219,3cyclictest57-21ksoftirqd/521:29:205
597999218,2cyclictest57-21ksoftirqd/521:11:175
597999218,1cyclictest57-21ksoftirqd/523:34:375
597999218,1cyclictest57-21ksoftirqd/500:25:155
597999217,1cyclictest57-21ksoftirqd/500:29:575
5979992117,3cyclictest57-21ksoftirqd/522:26:365
5979992110,2cyclictest57-21ksoftirqd/523:09:155
5959992117,3cyclictest33-21ksoftirqd/222:18:142
597999209,3cyclictest57-21ksoftirqd/521:56:475
597999209,1cyclictest57-21ksoftirqd/522:49:455
597999208,3cyclictest57-21ksoftirqd/523:59:535
597999208,3cyclictest57-21ksoftirqd/522:36:115
597999208,2cyclictest57-21ksoftirqd/522:14:315
597999207,3cyclictest57-21ksoftirqd/521:44:005
597999207,1cyclictest57-21ksoftirqd/523:20:105
597999206,4cyclictest57-21ksoftirqd/521:26:365
597999206,1cyclictest57-21ksoftirqd/523:15:415
597999205,3cyclictest57-21ksoftirqd/523:11:465
597999205,1cyclictest57-21ksoftirqd/522:08:395
5979992011,1cyclictest57-21ksoftirqd/523:46:215
5979992010,3cyclictest57-21ksoftirqd/521:16:515
5979992010,3cyclictest57-21ksoftirqd/500:17:095
595999208,2cyclictest33-21ksoftirqd/200:05:392
595999203,3cyclictest33-21ksoftirqd/223:29:372
595999203,3cyclictest33-21ksoftirqd/223:04:292
595999202,3cyclictest33-21ksoftirqd/200:10:472
53452200,0sleep60-21swapper/622:31:546
597999198,3cyclictest57-21ksoftirqd/521:45:145
597999196,1cyclictest57-21ksoftirqd/523:55:045
597999196,1cyclictest57-21ksoftirqd/522:41:275
597999195,2cyclictest57-21ksoftirqd/521:20:055
597999195,1cyclictest57-21ksoftirqd/521:49:415
595999194,1cyclictest33-21ksoftirqd/200:01:192
595999193,2cyclictest33-21ksoftirqd/200:32:052
5959991915,1cyclictest33-21ksoftirqd/223:16:112
5959991915,1cyclictest33-21ksoftirqd/221:28:032
595999190,18cyclictest17844-21kworker/2:122:55:432
597999189,1cyclictest57-21ksoftirqd/522:46:515
597999189,1cyclictest57-21ksoftirqd/522:46:515
5979991816,1cyclictest57-21ksoftirqd/500:19:345
597999181,0cyclictest57-21ksoftirqd/520:22:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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