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2026-07-04 - 09:59
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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 Sat Jul 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255489913288,21cyclictest41-21ksoftirqd/321:57:313
313702950,0sleep1241ktimersoftd/123:01:451
25568999311,0cyclictest366-21jbd2/sda2-821:57:315
25575997732,40cyclictest0-21swapper/621:57:316
25560996814,25cyclictest25432-21systemd21:57:314
75932670,0sleep00-21swapper/023:04:080
241412520,0sleep524138-21sshd00:31:595
145462510,2sleep42556099cyclictest22:06:294
212532500,1sleep421256-21grepconf.sh21:15:114
261772490,0sleep6758-21runrttasks21:13:296
87572480,0sleep60-21swapper/622:17:296
64382480,0sleep66431-21sshd23:58:206
35742480,0sleep00-21swapper/022:09:380
227272480,0sleep20-21swapper/222:45:282
108702480,0sleep20-21swapper/223:33:252
289482470,1sleep528949-21grepconf.sh00:03:325
121742470,0sleep50-21swapper/523:21:515
26732460,1sleep52671-21grepconf.sh22:09:355
209332460,0sleep40-21swapper/423:57:224
198882460,0sleep619885-21systemd-cgroups00:08:456
158512460,0sleep40-21swapper/422:27:284
147542450,0sleep614752-21sshd22:37:236
53022440,0sleep00-21swapper/023:19:220
26442440,2sleep32554899cyclictest22:48:013
19952440,0sleep20-21swapper/221:07:322
180052440,0sleep773-21ksoftirqd/722:47:097
160172440,1sleep616012-21sshd21:32:036
78902430,0sleep57883-21sshd21:16:245
45442430,1sleep54545-21bash21:18:015
251852430,0sleep225182-21sshd22:53:132
203972430,0sleep70-21swapper/722:29:477
307722420,2sleep42556099cyclictest22:47:464
230082420,0sleep20-21swapper/222:06:592
227282420,0sleep10-21swapper/121:30:301
197232420,2sleep02552799cyclictest23:57:180
50752410,0sleep50-21swapper/521:37:075
318542410,1sleep331849-21systemd-cgroups21:40:413
220732410,2sleep0101ktimersoftd/022:49:100
311692400,0sleep40-21swapper/422:13:024
2520124027,9sleep60-21swapper/619:05:346
2516124029,8sleep20-21swapper/219:04:582
2500724028,8sleep00-21swapper/019:02:560
156572400,0sleep20-21swapper/221:58:502
153742400,0sleep10-21swapper/122:19:481
25583993939,0cyclictest22475-21kworker/7:021:57:317
25535993939,0cyclictest23593-21kworker/1:021:57:311
2521823928,8sleep10-21swapper/119:05:451
2513923926,9sleep70-21swapper/719:04:397
2502823927,8sleep30-21swapper/319:03:153
2502123928,8sleep50-21swapper/519:03:095
121192390,1sleep512120-21sshd22:21:365
2501123826,9sleep40-21swapper/419:03:004
197292380,0sleep00-21swapper/023:47:250
228242360,1sleep557-21ksoftirqd/522:24:005
128062330,0sleep00-21swapper/021:39:260
25527992826,1cyclictest6474-21kworker/u16:221:57:310
25568992610,3cyclictest57-21ksoftirqd/523:44:445
2558399248,2cyclictest73-21ksoftirqd/722:24:017
2556899247,1cyclictest57-21ksoftirqd/523:56:515
2558399235,1cyclictest73-21ksoftirqd/723:35:417
2556899236,1cyclictest57-21ksoftirqd/522:41:085
161982230,1sleep416194-21systemd-cgroups23:53:064
2558399229,2cyclictest73-21ksoftirqd/721:43:227
2558399225,1cyclictest73-21ksoftirqd/700:19:397
25583992211,1cyclictest73-21ksoftirqd/723:27:517
2556899229,3cyclictest57-21ksoftirqd/523:26:405
2556899229,3cyclictest57-21ksoftirqd/523:26:405
2556899229,1cyclictest57-21ksoftirqd/500:19:585
2556899228,3cyclictest57-21ksoftirqd/523:38:065
2556899228,3cyclictest57-21ksoftirqd/523:03:295
2556899228,3cyclictest57-21ksoftirqd/500:16:555
2556899228,1cyclictest57-21ksoftirqd/522:30:005
2556899226,2cyclictest57-21ksoftirqd/523:14:325
2556899226,2cyclictest57-21ksoftirqd/500:34:185
25568992212,3cyclictest57-21ksoftirqd/521:56:115
25568992211,3cyclictest57-21ksoftirqd/521:10:225
2558399217,2cyclictest73-21ksoftirqd/721:40:197
2558399217,1cyclictest73-21ksoftirqd/721:33:257
25583992110,1cyclictest73-21ksoftirqd/723:52:357
2556899218,4cyclictest57-21ksoftirqd/522:52:455
2556899216,4cyclictest57-21ksoftirqd/523:11:215
2556899216,1cyclictest57-21ksoftirqd/522:44:135
2556899216,1cyclictest57-21ksoftirqd/522:03:035
25568992110,3cyclictest57-21ksoftirqd/523:31:485
25568992110,3cyclictest57-21ksoftirqd/521:45:465
2554199210,21cyclictest5829-21kworker/2:521:45:192
2558399209,3cyclictest73-21ksoftirqd/722:34:087
2558399209,1cyclictest73-21ksoftirqd/721:54:577
2558399209,1cyclictest73-21ksoftirqd/700:33:337
2558399208,3cyclictest73-21ksoftirqd/723:18:557
2558399208,1cyclictest73-21ksoftirqd/723:45:377
2558399208,1cyclictest73-21ksoftirqd/723:12:257
2558399207,2cyclictest73-21ksoftirqd/723:09:137
2558399207,2cyclictest73-21ksoftirqd/700:27:467
2558399207,1cyclictest73-21ksoftirqd/721:30:127
2558399205,3cyclictest73-21ksoftirqd/722:53:237
25583992010,1cyclictest73-21ksoftirqd/723:47:577
2556899209,1cyclictest57-21ksoftirqd/500:09:215
2556899208,3cyclictest57-21ksoftirqd/523:58:015
2556899208,1cyclictest57-21ksoftirqd/521:26:315
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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