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2026-08-08 - 10:30
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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 Aug 08, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117912930,0sleep70-21swapper/721:35:117
54082760,0sleep4471rcuc/400:01:174
294822740,1sleep029453-21sshd21:26:310
315922700,1sleep449-21ksoftirqd/422:26:184
32792520,1sleep23267-21bash00:03:072
280052510,1sleep028000-21sshd22:47:210
172602500,2sleep11173299cyclictest23:35:031
44142490,1sleep44415-21sshd21:34:444
1129724825,8sleep00-21swapper/019:02:030
64262470,0sleep50-21swapper/521:09:555
23062470,0sleep50-21swapper/522:09:135
176382470,0sleep717627-21sshd21:08:207
138582470,2sleep11173299cyclictest22:36:481
304802460,1sleep665-21ksoftirqd/621:24:456
181632460,0sleep70-21swapper/722:31:187
63492450,0sleep30-21swapper/322:30:423
5392450,0sleep60-21swapper/621:49:526
294182450,0sleep60-21swapper/623:22:106
206772450,0sleep00-21swapper/000:08:020
105782450,0sleep60-21swapper/622:50:156
252882440,0sleep10-21swapper/121:18:401
312192430,0sleep30-21swapper/322:49:323
142222430,0sleep50-21swapper/521:37:105
107282430,2sleep51176699cyclictest23:03:435
99532420,0sleep4471rcuc/423:11:194
75892420,0sleep50-21swapper/522:03:455
44372420,0sleep50-21swapper/521:57:445
44372420,0sleep50-21swapper/521:57:445
278072420,0sleep10-21swapper/123:45:201
250802420,0sleep00-21swapper/000:19:550
297542410,0sleep30-21swapper/323:55:073
221652410,0sleep60-21swapper/623:29:316
194242410,0sleep50-21swapper/500:27:135
44652400,0sleep54466-21grepconf.sh00:16:405
256202400,0sleep00-21swapper/023:58:410
224882400,0sleep60-21swapper/623:33:246
162422400,0sleep30-21swapper/320:07:393
1148524028,9sleep40-21swapper/419:04:314
1141124028,8sleep60-21swapper/619:03:296
1127724027,9sleep70-21swapper/719:01:467
868823926,9sleep10-21swapper/119:01:001
324692390,0sleep20-21swapper/222:57:162
30592390,2sleep01172599cyclictest23:16:440
1139823928,8sleep20-21swapper/219:03:172
1131823928,8sleep30-21swapper/319:02:223
1105223925,9sleep50-21swapper/519:01:205
13302380,0sleep30-21swapper/300:03:003
86512360,2sleep61177499cyclictest22:36:296
261052360,2sleep01172599cyclictest00:23:470
152472340,0sleep10-21swapper/100:34:461
1178299273,8cyclictest21391-21grepconf.sh21:52:597
11766992614,1cyclictest57-21ksoftirqd/522:57:105
11739992610,1cyclictest33-21ksoftirqd/222:13:512
1176699249,3cyclictest57-21ksoftirqd/523:48:445
1176699247,1cyclictest57-21ksoftirqd/523:06:035
1176699246,2cyclictest57-21ksoftirqd/521:23:075
1173999244,2cyclictest33-21ksoftirqd/223:11:082
1176699239,3cyclictest57-21ksoftirqd/500:31:435
1176699239,1cyclictest57-21ksoftirqd/522:22:065
1176699229,1cyclictest57-21ksoftirqd/500:22:055
1176699228,4cyclictest57-21ksoftirqd/522:26:035
1176699226,3cyclictest57-21ksoftirqd/523:37:125
1176699226,3cyclictest57-21ksoftirqd/521:20:435
1176699226,2cyclictest57-21ksoftirqd/523:16:465
1176699226,1cyclictest57-21ksoftirqd/521:14:295
1176699225,3cyclictest57-21ksoftirqd/522:35:535
11766992212,2cyclictest57-21ksoftirqd/521:41:255
11739992215,4cyclictest33-21ksoftirqd/221:46:162
1176699219,3cyclictest57-21ksoftirqd/523:51:555
1176699217,1cyclictest57-21ksoftirqd/522:11:115
1176699217,1cyclictest57-21ksoftirqd/521:29:025
1176699217,1cyclictest57-21ksoftirqd/500:09:035
1176699216,3cyclictest57-21ksoftirqd/523:21:295
1176699216,3cyclictest57-21ksoftirqd/522:43:145
1176699216,1cyclictest57-21ksoftirqd/522:40:495
1176699215,3cyclictest57-21ksoftirqd/522:17:455
1176699215,2cyclictest57-21ksoftirqd/500:13:575
1176699215,2cyclictest57-21ksoftirqd/500:13:575
11766992116,4cyclictest57-21ksoftirqd/521:53:405
1173999217,1cyclictest33-21ksoftirqd/222:21:152
1173999216,2cyclictest33-21ksoftirqd/221:27:302
1178299200,2cyclictest1-21systemd22:43:167
1176699207,4cyclictest57-21ksoftirqd/521:33:185
1176699207,3cyclictest57-21ksoftirqd/500:04:455
1176699205,2cyclictest57-21ksoftirqd/522:48:285
11766992014,4cyclictest57-21ksoftirqd/522:52:325
11739992016,3cyclictest33-21ksoftirqd/221:10:392
11739992016,1cyclictest33-21ksoftirqd/222:34:502
11739992010,1cyclictest33-21ksoftirqd/222:52:522
1178299190,1cyclictest0-21swapper/722:22:317
1178299190,1cyclictest0-21swapper/721:22:017
1176699199,3cyclictest57-21ksoftirqd/523:57:255
1176699198,3cyclictest57-21ksoftirqd/523:15:085
1176699196,1cyclictest57-21ksoftirqd/521:46:315
1176699194,1cyclictest57-21ksoftirqd/523:30:115
1176699191,1cyclictest131rcu_sched23:42:305
1173999197,3cyclictest33-21ksoftirqd/223:18:232
1173999194,1cyclictest33-21ksoftirqd/223:46:112
1173999194,1cyclictest33-21ksoftirqd/221:54:182
1173999194,1cyclictest33-21ksoftirqd/200:19:202
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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