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2026-06-11 - 18:15
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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 Thu Jun 11, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14205211251,56sleep10-21swapper/107:07:231
298721090,1sleep32879-21stress11:36:073
1414429066,20sleep20-21swapper/207:06:372
1409128961,23sleep30-21swapper/307:06:003
1411428254,23sleep00-21swapper/007:06:150
14511994410,22cyclictest0-21swapper/011:45:230
14514994310,31cyclictest0-21swapper/310:24:533
14511994212,21cyclictest0-21swapper/008:25:160
14514994115,24cyclictest0-21swapper/311:41:403
57042405,13sleep30-21swapper/308:00:183
1451199406,19cyclictest0-21swapper/011:40:350
14514993915,21cyclictest0-21swapper/312:25:263
14514993913,24cyclictest0-21swapper/312:16:383
1451299396,16cyclictest0-21swapper/112:25:221
14512993914,22cyclictest0-21swapper/110:10:431
14512993914,22cyclictest0-21swapper/110:10:431
302692385,13sleep30-21swapper/307:42:273
217612384,13sleep30-21swapper/307:24:503
14514993816,19cyclictest0-21swapper/310:59:383
14513993815,12cyclictest0-21swapper/209:26:492
133942380,1sleep02879-21stress09:31:100
133942380,1sleep02879-21stress09:31:090
325442375,13sleep30-21swapper/307:48:073
306162375,12sleep30-21swapper/308:57:423
279452375,13sleep20-21swapper/207:35:552
25262375,13sleep10-21swapper/109:06:451
25152375,13sleep00-21swapper/009:06:370
241932375,13sleep20-21swapper/208:44:202
237922374,13sleep30-21swapper/307:28:193
217322375,13sleep20-21swapper/207:24:292
14514993714,21cyclictest0-21swapper/309:55:533
14514993713,21cyclictest0-21swapper/311:45:353
14514993710,24cyclictest0-21swapper/310:00:153
14514993710,24cyclictest0-21swapper/310:00:153
1451399378,26cyclictest0-21swapper/209:21:022
14512993711,24cyclictest0-21swapper/107:20:211
1451199376,15cyclictest0-21swapper/011:21:540
14511993715,16cyclictest0-21swapper/008:05:160
14511993711,18cyclictest0-21swapper/007:40:120
88722365,13sleep10-21swapper/108:07:341
305872364,13sleep20-21swapper/208:57:242
304542365,13sleep10-21swapper/107:44:491
284652364,12sleep20-21swapper/208:53:352
220742365,12sleep20-21swapper/208:39:512
215672365,13sleep00-21swapper/007:22:220
196972364,12sleep30-21swapper/308:32:243
195352364,13sleep20-21swapper/207:19:152
195342365,10sleep20-21swapper/208:30:252
195132365,12sleep30-21swapper/307:19:013
193812365,13sleep10-21swapper/107:17:181
163892365,13sleep00-21swapper/007:11:230
153732364,13sleep30-21swapper/308:22:363
14514993616,18cyclictest0-21swapper/311:54:363
14514993616,18cyclictest0-21swapper/311:54:363
14514993616,18cyclictest0-21swapper/310:25:123
14514993614,20cyclictest0-21swapper/310:53:493
14514993614,19cyclictest0-21swapper/311:20:193
14513993612,21cyclictest0-21swapper/211:58:192
14513993612,21cyclictest0-21swapper/211:58:182
14512993611,23cyclictest0-21swapper/108:10:211
1451199367,23cyclictest0-21swapper/008:00:240
1451199365,16cyclictest0-21swapper/009:25:310
132412365,13sleep10-21swapper/108:18:211
108892364,13sleep30-21swapper/308:11:013
284202355,13sleep00-21swapper/008:53:010
180492355,13sleep10-21swapper/108:30:081
153852355,11sleep00-21swapper/008:22:460
1451499359,19cyclictest0-21swapper/311:55:183
1451499359,19cyclictest0-21swapper/311:55:183
14514993516,16cyclictest0-21swapper/309:29:543
14514993515,12cyclictest0-21swapper/309:36:253
14514993514,18cyclictest0-21swapper/312:32:423
14514993514,18cyclictest0-21swapper/312:32:423
14513993511,21cyclictest0-21swapper/211:13:142
1451299358,25cyclictest0-21swapper/108:53:291
1451299358,25cyclictest0-21swapper/107:55:291
1451299358,25cyclictest0-21swapper/107:25:291
14512993511,22cyclictest0-21swapper/108:40:131
1451199359,20cyclictest0-21swapper/007:15:060
1451199358,21cyclictest0-21swapper/008:15:480
1451199358,21cyclictest0-21swapper/008:13:570
1451199357,21cyclictest0-21swapper/008:40:010
14511993515,15cyclictest0-21swapper/007:30:070
14511993513,16cyclictest0-21swapper/008:33:580
301422345,12sleep20-21swapper/207:40:572
263252343,13sleep10-21swapper/108:48:451
262282345,10sleep20-21swapper/208:47:382
14514993414,18cyclictest0-21swapper/309:15:213
14514993414,17cyclictest0-21swapper/309:45:293
14514993414,17cyclictest0-21swapper/309:10:213
14514993413,19cyclictest0-21swapper/312:38:283
14514993413,19cyclictest0-21swapper/312:38:283
14514993413,19cyclictest0-21swapper/311:00:043
14514993413,19cyclictest0-21swapper/309:53:013
14514993411,21cyclictest0-21swapper/311:10:313
14513993411,20cyclictest0-21swapper/211:24:022
14513993410,21cyclictest0-21swapper/211:33:482
1451299348,24cyclictest0-21swapper/108:26:491
1451299348,24cyclictest0-21swapper/107:50:221
1451299348,24cyclictest0-21swapper/107:10:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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