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2026-06-21 - 06:30
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot3.osadl.org (updated Sun Jun 21, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
831752997741,34cyclictest915806-21kworker/1:122:20:001
831752997040,28cyclictest946092-1kworker/1:2H23:10:111
831752997038,30cyclictest946092-1kworker/1:2H00:20:011
831752996940,27cyclictest810619-1kworker/1:1H20:50:141
831752996939,29cyclictest973701-21kworker/1:223:17:451
831752996939,29cyclictest973701-21kworker/1:223:17:451
831752996839,27cyclictest968697-21kworker/1:323:30:121
831752996838,29cyclictest810619-1kworker/1:1H21:25:151
831752996662,2cyclictest0-21swapper/119:16:391
831752996649,16cyclictest990746-21kworker/1:023:45:131
831752996636,28cyclictest961652-21kworker/1:023:05:151
83175299660,3cyclictest0-21swapper/122:57:441
831752996535,29cyclictest867084-21kworker/1:221:00:131
831752996534,29cyclictest810619-1kworker/1:1H19:35:141
831752996434,29cyclictest925336-21kworker/1:222:20:141
831757996344,3cyclictest1346134-1kworker/3:1H22:45:133
831752996347,15cyclictest1033159-21kworker/1:200:27:341
831752996336,26cyclictest844988-21kworker/1:020:10:141
83175299620,60cyclictest0-21swapper/121:22:231
831752996142,18cyclictest810619-1kworker/1:1H20:45:001
831752996141,19cyclictest810619-1kworker/1:1H19:50:061
831752996139,20cyclictest810619-1kworker/1:1H20:35:001
831752995943,15cyclictest909676-21kworker/1:022:05:181
831752995940,17cyclictest885228-21kworker/1:221:50:151
831752995935,23cyclictest961652-21kworker/1:023:00:131
831752995933,23cyclictest915806-21kworker/1:122:25:141
83175299591,3cyclictest0-21swapper/121:10:141
831757995841,3cyclictest1346134-1kworker/3:1H19:35:153
831752995855,2cyclictest0-21swapper/121:08:571
831752995843,14cyclictest856035-21kworker/1:220:29:551
831752995843,14cyclictest846769-21kworker/1:220:00:061
831752995842,15cyclictest946090-21kworker/1:022:45:001
831752995842,15cyclictest946090-21kworker/1:022:42:491
831752995842,15cyclictest885228-21kworker/1:221:55:221
831752995842,15cyclictest836764-21kworker/1:119:27:291
831752995842,15cyclictest1006175-21kworker/1:023:50:371
831752995841,16cyclictest810619-1kworker/1:1H20:05:101
831752995742,14cyclictest852946-21kworker/1:120:20:141
831752995742,14cyclictest836770-21kworker/1:219:32:031
831752995741,15cyclictest909676-21kworker/1:022:00:151
831752995741,15cyclictest1019675-21kworker/1:300:35:301
831752995740,16cyclictest973701-21kworker/1:223:25:161
831752995739,17cyclictest991437-21kworker/1:123:37:471
831752995735,21cyclictest893332-21kworker/1:321:40:141
831752995731,15cyclictest946092-1kworker/1:2H23:55:131
83175299571,54cyclictest0-21swapper/121:45:131
831757995641,3cyclictest1346134-1kworker/3:1H21:07:233
831752995641,14cyclictest973701-21kworker/1:223:23:311
831752995641,14cyclictest889504-21kworker/1:121:33:001
831752995641,14cyclictest843447-21kworker/1:119:44:561
831752995640,15cyclictest939342-21kworker/1:322:50:301
831752995640,15cyclictest915806-21kworker/1:122:35:031
831752995640,15cyclictest856035-21kworker/1:220:50:011
831752995640,15cyclictest853588-21kworker/1:320:35:131
831752995638,17cyclictest915806-21kworker/1:122:10:531
831752995629,17cyclictest844988-21kworker/1:019:55:141
831752995540,14cyclictest853588-21kworker/1:320:17:311
831752995540,14cyclictest835202-21kworker/1:019:20:011
831752995540,14cyclictest1024768-21kworker/1:000:12:511
831752995538,15cyclictest946092-1kworker/1:2H00:20:151
831757995447,4cyclictest1346134-1kworker/3:1H20:17:093
831752995438,15cyclictest1006175-21kworker/1:000:05:011
831752995436,17cyclictest946092-1kworker/1:2H00:34:591
831752995436,17cyclictest925336-21kworker/1:222:30:151
831752995433,14cyclictest865532-21kworker/1:020:55:141
831757995348,3cyclictest1346134-1kworker/3:1H21:20:063
831757995347,4cyclictest1346134-1kworker/3:1H23:50:003
831755995349,3cyclictest971630-21kworker/2:023:25:002
831755995338,13cyclictest3697951-1kworker/2:0H22:45:152
831752995350,2cyclictest0-21swapper/100:00:281
831752995338,14cyclictest833158-21kworker/1:219:12:001
83175299530,52cyclictest0-21swapper/119:46:541
831749995350,2cyclictest877356-21kworker/0:121:27:320
831757995247,3cyclictest878928-21kworker/3:122:20:143
831757995247,3cyclictest1346134-1kworker/3:1H20:51:293
831755995248,2cyclictest833165-21kworker/2:119:35:292
831755995247,3cyclictest3697951-1kworker/2:0H22:02:292
831755995247,3cyclictest3697951-1kworker/2:0H21:41:542
831755995246,4cyclictest3697951-1kworker/2:0H22:59:562
831752995236,15cyclictest990746-21kworker/1:023:43:541
831752995236,15cyclictest889504-21kworker/1:121:35:161
831752995236,15cyclictest889504-21kworker/1:121:35:161
83175299520,1cyclictest0-21swapper/121:15:141
831755995148,2cyclictest833165-21kworker/2:119:44:002
831755995147,2cyclictest3697951-1kworker/2:0H21:00:472
831749995147,2cyclictest868881-21kworker/0:121:07:000
831749995146,3cyclictest1114851-1kworker/0:0H21:20:050
831757995045,3cyclictest1346134-1kworker/3:1H23:19:293
831757995045,3cyclictest1346134-1kworker/3:1H23:19:283
831755995047,2cyclictest857585-21kworker/2:120:33:592
831755995045,3cyclictest3697951-1kworker/2:0H23:15:062
831755995045,3cyclictest3697951-1kworker/2:0H23:15:062
831749995045,3cyclictest829003-21kworker/0:119:10:510
831749994946,2cyclictest891197-21kworker/0:321:58:580
831749994945,2cyclictest829003-21kworker/0:119:27:280
831749994944,3cyclictest965558-21kworker/0:023:17:070
831749994944,3cyclictest965558-21kworker/0:023:17:060
831749994944,3cyclictest1114851-1kworker/0:0H20:35:130
831749994944,3cyclictest1015591-21kworker/0:100:08:590
831749994943,4cyclictest1114851-1kworker/0:0H21:50:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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