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2026-07-05 - 03:25
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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 rack7slot1.osadl.org (updated Sun Jul 05, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14586211954,59sleep20-21swapper/219:06:492
14585211853,59sleep10-21swapper/119:06:481
14697211555,55sleep30-21swapper/319:08:103
12944211149,56sleep00-21swapper/019:05:110
72482790,1sleep07249-21cat22:30:240
37132530,1sleep13672-21stress22:20:521
14963994315,25cyclictest0-21swapper/222:09:022
14963994315,25cyclictest0-21swapper/222:09:022
14961994311,20cyclictest0-21swapper/000:10:330
14961994311,20cyclictest0-21swapper/000:10:330
14961994214,25cyclictest0-21swapper/000:21:010
14961994212,27cyclictest0-21swapper/021:24:220
1496199419,18cyclictest0-21swapper/021:37:040
1496199418,30cyclictest0-21swapper/023:55:030
1496199418,30cyclictest0-21swapper/023:55:030
14961994115,23cyclictest0-21swapper/023:52:390
14961994115,23cyclictest0-21swapper/023:52:390
14963994014,15cyclictest0-21swapper/200:22:412
14961994015,23cyclictest0-21swapper/022:23:170
14961994015,22cyclictest0-21swapper/023:21:430
14961994015,22cyclictest0-21swapper/023:21:430
14961994011,26cyclictest0-21swapper/022:00:080
14961994010,27cyclictest0-21swapper/023:30:200
14963993913,23cyclictest0-21swapper/200:36:172
1496199396,22cyclictest0-21swapper/021:59:510
35172385,13sleep30-21swapper/321:09:123
292372385,13sleep30-21swapper/320:54:293
1496199387,20cyclictest0-21swapper/000:31:490
1496199387,20cyclictest0-21swapper/000:31:490
14961993814,22cyclictest0-21swapper/022:59:370
14961993813,22cyclictest0-21swapper/022:53:440
14961993811,24cyclictest0-21swapper/022:45:340
5522375,13sleep30-21swapper/319:47:243
32982375,13sleep20-21swapper/221:06:352
314862375,13sleep20-21swapper/220:59:372
311362375,13sleep00-21swapper/020:55:260
308332375,13sleep10-21swapper/119:42:531
306692375,12sleep30-21swapper/319:40:593
292732375,12sleep20-21swapper/220:54:562
248742375,13sleep00-21swapper/020:44:070
219022375,13sleep30-21swapper/319:21:023
168802375,13sleep20-21swapper/219:12:062
159242375,13sleep30-21swapper/320:21:373
14964993715,20cyclictest0-21swapper/300:06:423
14963993715,19cyclictest0-21swapper/221:18:122
14963993714,20cyclictest0-21swapper/223:37:542
14963993714,20cyclictest0-21swapper/222:48:082
14963993714,20cyclictest0-21swapper/221:48:182
14962993712,22cyclictest0-21swapper/123:11:051
14961993716,18cyclictest0-21swapper/022:29:180
14961993712,22cyclictest0-21swapper/000:18:260
12622375,13sleep20-21swapper/221:04:182
117502375,13sleep20-21swapper/220:14:262
309742365,12sleep20-21swapper/219:44:432
265812365,12sleep30-21swapper/319:34:373
264152365,13sleep10-21swapper/119:32:301
225892365,13sleep10-21swapper/120:38:081
204042365,12sleep20-21swapper/220:33:102
183302365,12sleep20-21swapper/220:29:052
168432365,12sleep10-21swapper/119:11:421
1496499366,27cyclictest0-21swapper/300:30:313
1496499366,27cyclictest0-21swapper/300:30:313
14964993614,19cyclictest0-21swapper/321:55:233
14964993612,21cyclictest0-21swapper/300:05:003
14963993614,20cyclictest0-21swapper/223:46:362
14963993614,20cyclictest0-21swapper/222:17:542
14961993612,21cyclictest0-21swapper/023:00:050
14961993612,21cyclictest0-21swapper/022:05:470
14961993612,21cyclictest0-21swapper/022:05:470
14961993612,21cyclictest0-21swapper/021:10:150
114692365,13sleep10-21swapper/120:10:521
158492355,13sleep10-21swapper/120:20:381
1496499355,27cyclictest0-21swapper/323:34:593
14964993513,20cyclictest0-21swapper/323:15:223
14964993513,20cyclictest0-21swapper/323:15:223
14964993513,19cyclictest0-21swapper/321:20:193
14964993512,20cyclictest0-21swapper/321:35:123
14964993511,21cyclictest0-21swapper/300:35:123
1496399356,22cyclictest0-21swapper/219:30:312
14963993515,17cyclictest0-21swapper/223:06:292
14963993514,19cyclictest0-21swapper/221:28:582
14963993514,19cyclictest0-21swapper/221:28:582
14963993513,19cyclictest0-21swapper/221:55:182
14963993513,19cyclictest0-21swapper/221:50:142
14963993511,21cyclictest0-21swapper/223:20:072
14963993511,21cyclictest0-21swapper/223:20:072
1496299358,25cyclictest0-21swapper/120:27:141
1496299355,13cyclictest0-21swapper/122:29:321
14962993515,17cyclictest0-21swapper/123:03:051
14962993514,18cyclictest0-21swapper/123:15:091
14962993514,18cyclictest0-21swapper/123:15:091
14962993513,19cyclictest0-21swapper/122:13:591
14962993512,20cyclictest0-21swapper/100:04:221
14961993516,17cyclictest0-21swapper/021:15:290
14961993515,17cyclictest0-21swapper/023:10:160
14961993512,20cyclictest0-21swapper/023:45:190
14961993512,20cyclictest0-21swapper/023:25:350
14961993511,21cyclictest0-21swapper/021:33:430
14961993511,21cyclictest0-21swapper/021:33:430
136362355,13sleep00-21swapper/020:15:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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