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2026-03-26 - 20:29
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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 (updated Thu Mar 26, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10525211452,23sleep10-21swapper/107:05:521
10802211351,57sleep00-21swapper/007:09:230
10625210850,53sleep20-21swapper/207:07:082
1069628961,23sleep30-21swapper/307:08:033
1095699619,16cyclictest0-21swapper/112:00:341
1095699619,16cyclictest0-21swapper/112:00:341
1095699607,27cyclictest0-21swapper/111:13:231
10958995510,17cyclictest0-21swapper/309:10:263
10958995416,35cyclictest0-21swapper/310:05:193
10958995416,35cyclictest0-21swapper/310:05:193
10958995412,39cyclictest0-21swapper/310:40:013
1095699546,26cyclictest0-21swapper/111:35:311
1095899539,41cyclictest0-21swapper/311:04:123
1095899538,23cyclictest0-21swapper/311:45:173
10958995315,18cyclictest0-21swapper/310:17:253
10958995315,18cyclictest0-21swapper/310:17:253
10958995315,16cyclictest0-21swapper/311:06:553
10958995314,22cyclictest0-21swapper/312:20:153
186722520,1sleep330588-21stress12:29:453
1095899527,16cyclictest0-21swapper/311:20:313
10958995214,35cyclictest0-21swapper/310:56:543
10958995212,18cyclictest0-21swapper/310:20:123
1095899516,42cyclictest0-21swapper/311:10:113
10958995114,15cyclictest0-21swapper/312:14:123
10958995114,15cyclictest0-21swapper/311:15:163
10958995114,15cyclictest0-21swapper/311:15:163
10958995114,15cyclictest0-21swapper/310:25:113
10958995111,21cyclictest0-21swapper/309:20:293
10958995111,20cyclictest0-21swapper/309:45:323
1095899507,40cyclictest0-21swapper/312:35:273
1095899507,40cyclictest0-21swapper/312:35:273
1095899506,42cyclictest0-21swapper/309:40:233
1095899505,22cyclictest0-21swapper/309:15:263
10958995015,16cyclictest0-21swapper/310:04:243
10958995015,16cyclictest0-21swapper/310:04:243
10958995014,16cyclictest0-21swapper/309:55:243
10958995014,15cyclictest0-21swapper/311:55:143
10958995014,15cyclictest0-21swapper/311:55:133
10958995014,14cyclictest0-21swapper/311:35:193
10958995014,14cyclictest0-21swapper/309:25:223
10958995013,15cyclictest0-21swapper/312:35:023
10958995013,15cyclictest0-21swapper/312:35:013
10958995013,15cyclictest0-21swapper/309:35:143
10958995013,15cyclictest0-21swapper/309:35:143
10958995012,17cyclictest0-21swapper/311:30:363
1095699509,22cyclictest0-21swapper/109:54:401
1095699508,26cyclictest0-21swapper/112:33:421
1095699508,26cyclictest0-21swapper/112:33:411
10956995011,21cyclictest0-21swapper/110:13:431
1095899496,22cyclictest0-21swapper/310:50:333
1095899496,21cyclictest0-21swapper/310:10:263
10958994915,16cyclictest0-21swapper/311:50:253
10958994915,14cyclictest0-21swapper/312:04:083
10958994915,14cyclictest0-21swapper/312:04:073
10958994913,33cyclictest0-21swapper/312:15:263
10958994913,14cyclictest0-21swapper/309:30:273
10958994913,14cyclictest0-21swapper/309:30:273
10956994911,19cyclictest0-21swapper/110:15:081
10956994911,19cyclictest0-21swapper/110:15:081
10956994911,19cyclictest0-21swapper/109:55:181
10956994911,17cyclictest0-21swapper/111:25:221
1095899485,25cyclictest0-21swapper/307:42:343
10958994814,15cyclictest0-21swapper/310:30:163
10958994812,14cyclictest0-21swapper/310:40:123
10956994815,15cyclictest0-21swapper/110:27:441
10958994714,14cyclictest0-21swapper/310:45:163
10958994714,14cyclictest0-21swapper/310:45:153
10958994711,14cyclictest0-21swapper/311:40:173
1095899469,16cyclictest0-21swapper/312:10:003
1095899454,22cyclictest0-21swapper/307:15:113
1095899454,22cyclictest0-21swapper/307:15:113
10958994515,14cyclictest0-21swapper/307:35:033
1095899448,20cyclictest0-21swapper/307:45:253
1095899445,22cyclictest0-21swapper/307:30:303
1095899444,24cyclictest0-21swapper/308:54:203
10958994314,13cyclictest0-21swapper/308:24:133
1095699436,14cyclictest0-21swapper/108:05:011
1095899424,24cyclictest0-21swapper/307:25:243
1095899424,21cyclictest0-21swapper/307:11:333
10958994215,13cyclictest0-21swapper/308:00:433
10958994214,14cyclictest0-21swapper/308:06:043
22522410,1sleep130588-21stress10:35:031
1095899414,24cyclictest0-21swapper/307:55:113
1095899414,22cyclictest0-21swapper/309:09:013
1095899414,22cyclictest0-21swapper/309:09:003
1095899414,19cyclictest0-21swapper/307:52:143
1095899413,23cyclictest0-21swapper/308:45:133
1095899406,13cyclictest0-21swapper/309:50:143
1095899405,16cyclictest0-21swapper/308:29:023
10958994014,12cyclictest0-21swapper/308:41:543
1095899396,12cyclictest0-21swapper/311:30:013
1095899395,16cyclictest0-21swapper/308:30:213
1095899395,16cyclictest0-21swapper/308:10:473
10957993916,20cyclictest0-21swapper/209:58:212
23812385,13sleep20-21swapper/208:00:592
196712384,17sleep20-21swapper/208:42:412
1095899385,17cyclictest0-21swapper/308:35:033
280972374,14sleep20-21swapper/209:01:252
265322375,12sleep00-21swapper/007:44:210
1095899378,12cyclictest0-21swapper/308:15:133
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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