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2026-05-17 - 08:01
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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 Sun May 17, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222082990,2sleep51718499cyclictest23:26:355
149702930,1sleep11715499cyclictest22:43:381
201782850,0sleep10-21swapper/122:53:311
318552740,0sleep40-21swapper/423:43:084
90642720,0sleep60-21swapper/621:37:366
251992720,0sleep70-21swapper/723:05:317
241122580,1sleep024096-21bash22:21:030
1700825726,18sleep30-21swapper/319:08:473
1701025625,8sleep50-21swapper/519:08:495
181892550,0sleep30-21swapper/323:49:563
315992540,0sleep70-21swapper/700:33:337
100262520,1sleep7758-21runrttasks21:22:237
305882510,1sleep030524-21sshd22:48:180
217772480,0sleep40-21swapper/423:18:494
1691124825,8sleep00-21swapper/019:07:240
1686024837,8sleep70-21swapper/719:06:437
8492470,0sleep30-21swapper/323:23:293
326222470,0sleep10-21swapper/121:09:431
326222470,0sleep10-21swapper/121:09:431
149632470,0sleep00-21swapper/021:26:320
149702460,0sleep30-21swapper/300:01:333
256882450,0sleep50-21swapper/521:38:395
161082450,1sleep665-21ksoftirqd/621:59:146
229432440,0sleep60-21swapper/620:14:156
71112430,0sleep50-21swapper/523:14:105
48062430,1sleep34740-21sshd23:31:303
279632430,0sleep30-21swapper/300:08:143
240732430,0sleep70-21swapper/723:17:007
135832430,0sleep00-21swapper/023:57:300
11782430,0sleep40-21swapper/423:23:304
113022430,2sleep01714799cyclictest22:33:520
11272430,0sleep20-21swapper/200:00:442
315892420,1sleep09-21ksoftirqd/022:13:500
312832420,0sleep50-21swapper/521:14:045
297292420,1sleep129730-21bash23:31:041
284722420,1sleep6758-21runrttasks00:17:466
250592420,1sleep725060-21bash23:26:457
1619824220,18sleep40-21swapper/419:04:244
142302420,1sleep214228-21bash00:26:472
122462420,0sleep50-21swapper/522:18:275
121482420,0sleep00-21swapper/023:39:520
55112400,0sleep70-21swapper/721:35:207
234932390,0sleep60-21swapper/600:11:456
172342390,0sleep20-21swapper/223:18:312
1669423927,8sleep20-21swapper/219:04:302
254692380,0sleep60-21swapper/622:17:166
1685423827,8sleep10-21swapper/119:06:371
1685023825,9sleep60-21swapper/619:06:346
135222380,0sleep20-21swapper/223:00:452
17178992713,1cyclictest49-21ksoftirqd/422:20:234
17178992710,2cyclictest49-21ksoftirqd/421:11:404
17178992710,2cyclictest49-21ksoftirqd/421:11:404
235322260,1sleep323531-21systemd-cgroups23:42:353
17188992411,3cyclictest65-21ksoftirqd/622:26:156
1717899248,4cyclictest49-21ksoftirqd/400:13:484
1717899248,2cyclictest49-21ksoftirqd/422:08:424
1717899248,2cyclictest49-21ksoftirqd/422:08:424
1717899239,3cyclictest49-21ksoftirqd/422:40:164
17178992310,3cyclictest49-21ksoftirqd/421:27:164
241172220,0sleep70-21swapper/700:25:247
1717899225,3cyclictest49-21ksoftirqd/423:51:434
17178992210,2cyclictest49-21ksoftirqd/421:23:464
1718899219,4cyclictest65-21ksoftirqd/623:27:536
1718899219,3cyclictest65-21ksoftirqd/622:12:426
1718899218,1cyclictest65-21ksoftirqd/600:01:096
1718899217,1cyclictest65-21ksoftirqd/623:14:126
1718899217,1cyclictest65-21ksoftirqd/622:07:266
1718899217,1cyclictest65-21ksoftirqd/622:07:266
17188992115,4cyclictest65-21ksoftirqd/623:43:206
17188992115,3cyclictest65-21ksoftirqd/621:21:426
1717899218,3cyclictest49-21ksoftirqd/400:30:014
1717899218,2cyclictest49-21ksoftirqd/423:02:334
1717899215,1cyclictest49-21ksoftirqd/400:26:424
1717899214,1cyclictest49-21ksoftirqd/400:34:224
1717899213,3cyclictest49-21ksoftirqd/422:32:544
17178992118,3cyclictest1844-21nfsd22:03:384
17178992110,3cyclictest49-21ksoftirqd/421:58:184
92352200,1sleep6721-21dbus-daemon22:56:416
1718899207,1cyclictest65-21ksoftirqd/622:48:116
17188992015,3cyclictest65-21ksoftirqd/621:17:216
17188992014,3cyclictest65-21ksoftirqd/623:52:516
1717899209,4cyclictest49-21ksoftirqd/400:01:484
1717899209,1cyclictest49-21ksoftirqd/422:47:324
1717899208,3cyclictest49-21ksoftirqd/422:27:564
1717899208,2cyclictest49-21ksoftirqd/422:58:074
1717899208,2cyclictest49-21ksoftirqd/400:19:134
1717899205,3cyclictest49-21ksoftirqd/422:10:274
1717899205,1cyclictest49-21ksoftirqd/423:26:334
1717899204,3cyclictest49-21ksoftirqd/421:39:244
1717899203,2cyclictest49-21ksoftirqd/400:15:594
1718899198,2cyclictest65-21ksoftirqd/621:32:506
17188991915,2cyclictest65-21ksoftirqd/623:07:196
17188991913,3cyclictest65-21ksoftirqd/600:32:106
1717899198,1cyclictest49-21ksoftirqd/423:46:224
1717899192,3cyclictest49-21ksoftirqd/422:34:164
1717899192,3cyclictest49-21ksoftirqd/422:14:044
17178991915,3cyclictest49-21ksoftirqd/423:04:474
1717899190,3cyclictest736-21gdbus21:18:174
1717899190,1cyclictest21031-21id21:51:554
1718899189,2cyclictest65-21ksoftirqd/622:20:146
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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