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2026-04-05 - 13:29
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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 Apr 05, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4616211855,58sleep30-21swapper/319:07:173
4631211551,59sleep10-21swapper/119:07:281
4613211151,21sleep00-21swapper/019:07:130
3254821040,0sleep124763-21stress22:40:341
3254821040,0sleep124763-21stress22:40:341
460529469,20sleep20-21swapper/219:07:072
4927994511,23cyclictest0-21swapper/122:56:461
492699446,27cyclictest0-21swapper/021:10:390
4936994216,23cyclictest0-21swapper/300:15:073
4928994213,26cyclictest0-21swapper/222:55:212
492699419,20cyclictest0-21swapper/021:40:340
492699418,22cyclictest0-21swapper/023:45:130
112312410,1sleep124763-21stress21:50:491
4936994015,23cyclictest0-21swapper/323:02:423
4928994011,26cyclictest0-21swapper/223:45:562
4936993915,22cyclictest0-21swapper/321:52:463
4936993914,22cyclictest0-21swapper/300:13:523
4927993916,20cyclictest0-21swapper/122:52:461
4927993915,21cyclictest0-21swapper/123:31:461
4927993914,22cyclictest0-21swapper/123:27:141
4927993914,22cyclictest0-21swapper/123:27:131
4927993914,22cyclictest0-21swapper/122:13:481
4927993914,22cyclictest0-21swapper/121:26:571
290132395,13sleep20-21swapper/220:03:112
4936993811,24cyclictest0-21swapper/300:33:583
4936993811,24cyclictest0-21swapper/300:33:583
4936993810,25cyclictest0-21swapper/322:55:083
4928993816,15cyclictest0-21swapper/222:00:022
4927993813,22cyclictest0-21swapper/122:21:011
4927993813,22cyclictest0-21swapper/122:16:201
4927993810,25cyclictest0-21swapper/100:35:181
492699388,27cyclictest0-21swapper/022:03:020
492699388,23cyclictest0-21swapper/020:45:190
492699386,29cyclictest0-21swapper/022:26:100
288882385,13sleep30-21swapper/320:01:393
181162385,13sleep30-21swapper/320:53:153
119552385,13sleep20-21swapper/219:23:322
97782375,13sleep20-21swapper/219:18:002
97782375,13sleep20-21swapper/219:17:592
4936993716,18cyclictest0-21swapper/321:19:553
4936993711,23cyclictest0-21swapper/300:35:043
492899378,26cyclictest0-21swapper/222:00:132
4928993717,12cyclictest0-21swapper/200:26:242
4927993714,21cyclictest0-21swapper/123:35:041
492699374,25cyclictest0-21swapper/019:45:050
4926993710,19cyclictest0-21swapper/022:56:150
289262375,13sleep10-21swapper/120:02:041
243432375,13sleep20-21swapper/221:05:582
243432375,13sleep20-21swapper/221:05:582
224622375,13sleep20-21swapper/219:46:102
203302375,13sleep20-21swapper/219:41:242
183542375,13sleep00-21swapper/019:38:150
182982375,13sleep10-21swapper/119:37:301
182132375,13sleep20-21swapper/219:36:282
162952375,12sleep30-21swapper/319:34:083
160592375,13sleep10-21swapper/119:31:131
158192375,13sleep20-21swapper/220:46:212
72862365,12sleep30-21swapper/320:26:493
4936993618,16cyclictest0-21swapper/323:45:493
4936993615,18cyclictest0-21swapper/323:40:413
4936993611,22cyclictest0-21swapper/323:52:333
4928993615,18cyclictest0-21swapper/222:44:282
4928993615,18cyclictest0-21swapper/222:44:282
4928993614,19cyclictest0-21swapper/221:39:172
4928993614,19cyclictest0-21swapper/200:30:172
4928993614,19cyclictest0-21swapper/200:30:162
492799364,29cyclictest0-21swapper/121:40:331
4927993615,18cyclictest0-21swapper/122:45:221
4927993615,18cyclictest0-21swapper/122:45:221
4927993614,19cyclictest0-21swapper/123:00:341
4927993612,21cyclictest0-21swapper/123:10:031
492699369,21cyclictest0-21swapper/020:40:460
492699369,21cyclictest0-21swapper/020:26:040
4926993614,19cyclictest0-21swapper/022:40:070
4926993614,19cyclictest0-21swapper/022:40:070
31892365,12sleep10-21swapper/120:19:291
30562365,12sleep20-21swapper/220:17:542
249242365,11sleep30-21swapper/319:55:013
246892365,12sleep10-21swapper/119:52:071
243782365,12sleep30-21swapper/321:06:233
243782365,12sleep30-21swapper/321:06:223
223292365,12sleep10-21swapper/121:02:281
208952365,12sleep30-21swapper/319:45:073
194822365,13sleep30-21swapper/319:40:183
138632365,13sleep20-21swapper/219:25:402
123472365,13sleep00-21swapper/019:25:060
96332355,10sleep30-21swapper/320:34:153
493699355,28cyclictest0-21swapper/321:45:503
4936993515,18cyclictest0-21swapper/322:15:173
4936993514,19cyclictest0-21swapper/322:35:083
4936993511,22cyclictest0-21swapper/323:15:163
492899357,25cyclictest0-21swapper/221:44:432
4928993513,20cyclictest0-21swapper/200:05:132
4927993513,19cyclictest0-21swapper/122:25:131
4927993513,19cyclictest0-21swapper/100:15:181
4927993512,20cyclictest0-21swapper/121:55:301
492699357,22cyclictest0-21swapper/019:20:360
492699355,28cyclictest0-21swapper/020:31:120
200392355,13sleep10-21swapper/120:55:511
118022355,12sleep10-21swapper/120:39:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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