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2026-05-04 - 22:20
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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 rackdslot3.osadl.org (updated Mon May 04, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
35232230165,21sleep30-21swapper/307:06:073
35892211164,36sleep20-21swapper/207:06:592
34802202169,21sleep10-21swapper/107:05:331
16432200167,22sleep00-21swapper/007:05:080
28112710,4sleep00-21swapper/008:15:000
4121996736,3cyclictest9-21ksoftirqd/008:00:010
4124996531,10cyclictest41-21ksoftirqd/311:35:263
4124996521,4cyclictest41-21ksoftirqd/311:04:423
4124996428,7cyclictest41-21ksoftirqd/309:15:193
4124996330,4cyclictest41-21ksoftirqd/311:45:013
4124996328,8cyclictest41-21ksoftirqd/307:50:183
4124996328,7cyclictest41-21ksoftirqd/307:25:193
4124996321,4cyclictest41-21ksoftirqd/309:09:063
4121996328,4cyclictest9-21ksoftirqd/010:55:010
4124996227,4cyclictest41-21ksoftirqd/312:30:203
4124996226,4cyclictest41-21ksoftirqd/310:30:013
139391620,1ptp4l0-21swapper/308:30:203
75062610,3sleep1412299cyclictest08:25:001
4124996131,3cyclictest41-21ksoftirqd/308:25:223
4124996126,6cyclictest41-21ksoftirqd/311:50:263
4124996120,4cyclictest41-21ksoftirqd/307:45:383
4124996032,3cyclictest41-21ksoftirqd/308:00:003
4124996029,8cyclictest41-21ksoftirqd/312:00:183
4124996018,4cyclictest41-21ksoftirqd/310:36:113
4121996030,7cyclictest9-21ksoftirqd/009:35:000
4124995927,9cyclictest41-21ksoftirqd/312:10:143
4124995922,4cyclictest41-21ksoftirqd/311:30:203
4121995929,6cyclictest9-21ksoftirqd/009:00:170
4121995916,7cyclictest9-21ksoftirqd/008:55:170
4124995831,4cyclictest41-21ksoftirqd/307:15:163
4124995830,4cyclictest41-21ksoftirqd/312:30:003
4124995829,9cyclictest41-21ksoftirqd/310:30:133
4124995827,9cyclictest41-21ksoftirqd/310:00:253
4124995824,4cyclictest41-21ksoftirqd/307:10:133
4124995823,9cyclictest41-21ksoftirqd/311:25:233
4124995820,4cyclictest41-21ksoftirqd/311:25:013
4124995722,7cyclictest41-21ksoftirqd/309:40:223
4124995716,4cyclictest41-21ksoftirqd/308:08:003
4121995728,4cyclictest9-21ksoftirqd/007:10:260
4121995723,3cyclictest9-21ksoftirqd/010:20:270
4121995722,7cyclictest9-21ksoftirqd/011:20:150
4121995722,4cyclictest9-21ksoftirqd/007:45:210
4121995722,3cyclictest9-21ksoftirqd/008:20:230
4121995719,6cyclictest9-21ksoftirqd/010:45:230
4121995715,6cyclictest9-21ksoftirqd/009:05:230
4124995630,6cyclictest41-21ksoftirqd/310:10:153
4124995630,3cyclictest41-21ksoftirqd/307:42:353
4124995624,9cyclictest41-21ksoftirqd/310:15:243
4124995624,7cyclictest41-21ksoftirqd/307:20:133
4124995622,4cyclictest41-21ksoftirqd/307:35:243
4124995621,7cyclictest41-21ksoftirqd/308:45:193
4124995620,9cyclictest41-21ksoftirqd/308:50:103
4124995619,4cyclictest41-21ksoftirqd/310:25:013
4124995618,4cyclictest41-21ksoftirqd/309:48:213
4121995628,4cyclictest9-21ksoftirqd/011:45:250
4121995626,7cyclictest9-21ksoftirqd/011:40:230
4121995621,4cyclictest9-21ksoftirqd/011:50:170
4121995621,4cyclictest9-21ksoftirqd/010:40:240
4121995620,4cyclictest9-21ksoftirqd/012:30:140
4121995619,5cyclictest9-21ksoftirqd/008:15:140
4121995619,3cyclictest9-21ksoftirqd/011:30:140
4121995615,6cyclictest9-21ksoftirqd/012:00:210
4124995527,4cyclictest41-21ksoftirqd/309:35:253
4124995523,9cyclictest41-21ksoftirqd/308:15:143
4124995523,7cyclictest41-21ksoftirqd/308:20:143
4124995521,7cyclictest41-21ksoftirqd/309:25:143
4121995520,3cyclictest9-21ksoftirqd/009:15:130
4121995518,6cyclictest9-21ksoftirqd/011:10:220
4121995518,6cyclictest9-21ksoftirqd/011:10:220
4121995517,6cyclictest9-21ksoftirqd/009:55:210
4121995517,5cyclictest9-21ksoftirqd/010:30:220
4121995516,6cyclictest9-21ksoftirqd/007:25:280
4121995516,5cyclictest9-21ksoftirqd/009:50:230
4124995424,8cyclictest41-21ksoftirqd/309:21:223
4124995422,9cyclictest41-21ksoftirqd/309:30:193
4121995427,7cyclictest9-21ksoftirqd/010:15:160
4121995418,5cyclictest9-21ksoftirqd/012:15:250
4121995417,6cyclictest9-21ksoftirqd/012:10:250
4121995417,5cyclictest9-21ksoftirqd/011:35:230
4121995416,6cyclictest9-21ksoftirqd/010:10:200
4121995415,6cyclictest9-21ksoftirqd/008:00:240
4121995415,5cyclictest9-21ksoftirqd/007:15:240
4121995414,6cyclictest9-21ksoftirqd/011:25:210
4124995320,8cyclictest41-21ksoftirqd/311:05:253
412199534,3cyclictest9-21ksoftirqd/011:20:010
4121995323,4cyclictest9-21ksoftirqd/007:31:480
4121995321,7cyclictest9-21ksoftirqd/010:05:010
4121995319,4cyclictest9-21ksoftirqd/010:10:010
4121995318,7cyclictest9-21ksoftirqd/008:50:200
4121995317,6cyclictest9-21ksoftirqd/009:45:260
4121995315,5cyclictest9-21ksoftirqd/010:55:250
412499526,3cyclictest41-21ksoftirqd/310:50:003
412499522,9cyclictest41-21ksoftirqd/308:45:003
4124995216,10cyclictest41-21ksoftirqd/310:50:133
4121995222,4cyclictest9-21ksoftirqd/009:11:310
4121995220,7cyclictest9-21ksoftirqd/009:40:220
4121995217,5cyclictest9-21ksoftirqd/012:35:170
4121995215,5cyclictest9-21ksoftirqd/008:05:250
412499517,8cyclictest41-21ksoftirqd/308:55:173
412499515,7cyclictest41-21ksoftirqd/311:50:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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