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2026-06-04 - 10:28
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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 Thu Jun 04, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223054996938,29cyclictest241646-21kworker/1:220:50:091
223054996641,24cyclictest264204-21kworker/1:121:45:191
22305499650,63cyclictest0-21swapper/100:11:101
223054996339,23cyclictest337530-21kworker/1:123:05:121
223054996239,22cyclictest3159996-1kworker/1:0H20:30:061
223054996237,16cyclictest245266-21kworker/1:021:26:151
223054996237,16cyclictest245266-21kworker/1:021:26:151
223054996237,14cyclictest389441-21kworker/1:100:20:191
223054996159,1cyclictest0-21swapper/122:59:451
223057996054,3cyclictest2636582-1kworker/3:1H00:00:003
223054996042,17cyclictest316486-21kworker/1:122:35:131
223054996042,17cyclictest3159996-1kworker/1:0H19:44:411
223054996041,18cyclictest346883-21kworker/1:023:15:131
223054996036,15cyclictest3159996-1kworker/1:0H20:30:001
223054995944,14cyclictest232084-21kworker/1:120:00:091
223054995940,17cyclictest364989-21kworker/1:223:31:251
223054995938,20cyclictest227551-21kworker/1:319:50:101
223054995855,2cyclictest0-21swapper/122:06:171
223054995855,2cyclictest0-21swapper/100:08:281
223054995843,14cyclictest389441-21kworker/1:100:17:571
223054995843,14cyclictest227551-21kworker/1:319:36:411
223054995842,15cyclictest234155-21kworker/1:220:10:121
223054995840,17cyclictest355934-21kworker/1:223:20:001
223054995836,2cyclictest425530-21diskmemload00:39:191
223054995742,14cyclictest389441-21kworker/1:100:00:081
223054995742,14cyclictest379111-21kworker/1:023:50:321
223054995742,14cyclictest337530-21kworker/1:123:03:161
223054995742,14cyclictest3159996-1kworker/1:0H19:18:071
223054995742,14cyclictest276038-21kworker/1:221:51:161
223054995742,14cyclictest245531-21kworker/1:121:11:191
223054995742,14cyclictest245266-21kworker/1:021:15:311
223054995742,14cyclictest241646-21kworker/1:220:57:411
223054995742,14cyclictest226925-21kworker/1:019:30:101
223054995741,15cyclictest321035-21kworker/1:022:50:011
223054995740,16cyclictest374319-21kworker/1:223:40:141
223054995740,16cyclictest302832-21kworker/1:122:23:131
223054995652,2cyclictest1188-21cron20:00:011
223054995642,14cyclictest379111-21kworker/1:023:55:121
223054995641,14cyclictest311958-21kworker/1:222:30:091
223054995640,15cyclictest360487-21kworker/1:123:35:231
223054995640,15cyclictest360487-21kworker/1:123:35:221
223054995640,15cyclictest250233-21kworker/1:221:20:111
223054995638,17cyclictest222808-21kworker/1:019:15:001
223054995539,15cyclictest323002-21kworker/1:322:40:131
223054995539,15cyclictest237769-21kworker/1:120:38:061
223054995538,16cyclictest321035-21kworker/1:022:50:141
223054995536,18cyclictest346883-21kworker/1:023:10:161
223053995550,3cyclictest2275188-1kworker/0:1H20:04:590
223054995440,14cyclictest276038-21kworker/1:222:10:011
223054995440,14cyclictest276038-21kworker/1:222:10:001
223054995439,14cyclictest307436-21kworker/1:022:25:011
223054995439,14cyclictest237769-21kworker/1:120:40:011
223054995439,14cyclictest234414-21kworker/1:320:19:121
223054995439,14cyclictest227551-21kworker/1:319:45:111
223054995439,14cyclictest225589-21kworker/1:119:25:061
223054995438,15cyclictest412141-21kworker/1:200:32:391
223054995438,15cyclictest379111-21kworker/1:023:45:461
223054995438,15cyclictest249791-1kworker/1:1H21:40:131
22305499540,53cyclictest0-21swapper/122:17:051
223053995449,3cyclictest238283-21kworker/0:020:34:410
223053995448,4cyclictest2275188-1kworker/0:1H00:20:010
223057995348,3cyclictest2636582-1kworker/3:1H19:16:403
223056995347,4cyclictest3159930-1kworker/2:1H21:10:062
223054995352,1cyclictest0-21swapper/120:49:551
223054995338,14cyclictest276038-21kworker/1:221:55:411
223054995338,14cyclictest241646-21kworker/1:221:03:431
223054995338,14cyclictest234155-21kworker/1:220:06:091
22305499530,52cyclictest0-21swapper/121:33:111
22305499530,52cyclictest0-21swapper/100:25:411
223053995348,3cyclictest387721-21kworker/0:100:01:130
223053995348,2cyclictest298959-21kworker/0:122:45:060
223057995248,2cyclictest2636582-1kworker/3:1H21:16:503
223057995247,3cyclictest2636582-1kworker/3:1H22:15:273
223057995247,3cyclictest252877-21kworker/3:221:46:093
223056995248,3cyclictest416034-21kworker/2:000:39:122
223056995248,3cyclictest222871-21kworker/2:119:41:082
223056995247,3cyclictest3159930-1kworker/2:1H23:05:052
223054995237,14cyclictest245266-21kworker/1:021:06:131
223054995237,14cyclictest225589-21kworker/1:119:20:101
223053995248,2cyclictest226672-21kworker/0:019:56:140
223053995247,3cyclictest387721-21kworker/0:100:08:280
223057995148,2cyclictest252877-21kworker/3:221:36:073
223057995147,3cyclictest296551-21kworker/3:022:26:423
223057995147,2cyclictest2376314-21kworker/3:120:17:063
223057995146,3cyclictest389083-21kworker/3:100:02:513
223056995147,2cyclictest348998-21kworker/2:223:26:302
223056995147,2cyclictest222871-21kworker/2:119:39:062
223056995146,3cyclictest398043-21kworker/2:000:17:202
223056995146,3cyclictest3159930-1kworker/2:1H21:44:072
22305499510,2cyclictest0-21swapper/121:36:111
22305499510,1cyclictest0-21swapper/122:03:061
223057995046,2cyclictest252877-21kworker/3:222:00:403
223057995046,2cyclictest252877-21kworker/3:221:59:413
223057995046,2cyclictest2376314-21kworker/3:121:05:413
223057995045,3cyclictest296551-21kworker/3:022:40:003
223057995045,3cyclictest2376314-21kworker/3:119:41:413
223057995044,3cyclictest2636582-1kworker/3:1H23:30:133
223056995047,2cyclictest221440-21kworker/2:319:10:102
223056995045,3cyclictest3159930-1kworker/2:1H20:45:002
223056995044,3cyclictest3159930-1kworker/2:1H19:20:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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