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2026-04-18 - 04:09
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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 Sat Apr 18, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3527916997737,37cyclictest3663335-21kworker/1:123:15:131
3527916997038,19cyclictest3539313-21kworker/1:019:45:131
3527916996844,23cyclictest3568911-21kworker/1:021:21:041
3527916996360,2cyclictest0-21swapper/122:04:271
3527916996360,2cyclictest0-21swapper/120:20:421
3527916996342,20cyclictest3556845-21kworker/1:320:40:141
3527916996259,2cyclictest0-21swapper/123:30:061
3527916996043,16cyclictest3558907-21kworker/1:020:50:121
3527916996043,15cyclictest3694982-21kworker/1:223:55:011
3527916996043,15cyclictest3694982-21kworker/1:223:55:001
3527916996041,18cyclictest3649807-21kworker/1:123:00:141
3527916996038,20cyclictest3591269-21kworker/1:321:45:141
3527916995956,2cyclictest0-21swapper/122:54:271
3527916995943,15cyclictest3694982-21kworker/1:200:05:141
3527916995942,16cyclictest3531329-21kworker/1:219:50:131
3527916995941,17cyclictest3600618-21kworker/1:022:00:011
3527916995941,16cyclictest3654145-21kworker/1:023:10:131
3527916995936,21cyclictest2449467-1kworker/1:1H19:15:001
3527916995844,14cyclictest3639602-21kworker/1:122:45:131
3527916995843,14cyclictest3663335-21kworker/1:123:20:171
3527916995843,14cyclictest3531329-21kworker/1:219:55:391
3527916995843,14cyclictest2449467-1kworker/1:1H20:45:071
3527916995843,14cyclictest2449467-1kworker/1:1H19:15:061
3527916995842,15cyclictest3709888-21kworker/1:000:10:141
3527916995842,15cyclictest3705729-21kworker/1:300:00:151
3527916995841,16cyclictest3727153-21kworker/1:000:35:141
3527916995841,16cyclictest3658744-21kworker/1:223:05:141
3527916995841,16cyclictest3631011-21kworker/1:222:36:191
3527916995840,16cyclictest3717750-21kworker/1:300:30:151
3527916995755,1cyclictest0-21swapper/121:12:271
3527916995743,14cyclictest3645464-21kworker/1:222:55:141
3527916995743,14cyclictest3544823-21kworker/1:320:05:131
3527916995742,14cyclictest3562952-21kworker/1:221:03:291
3527916995742,14cyclictest3544823-21kworker/1:320:15:121
3527916995742,14cyclictest3531329-21kworker/1:219:37:511
3527916995742,14cyclictest2449467-1kworker/1:1H21:50:061
3527916995741,15cyclictest3531329-21kworker/1:219:35:001
3527916995740,16cyclictest3680555-21kworker/1:023:35:131
3527916995738,18cyclictest3613778-21kworker/1:022:10:141
3527916995641,14cyclictest3717750-21kworker/1:300:20:131
3527916995641,14cyclictest3561409-21kworker/1:120:55:151
3527916995641,14cyclictest2449467-1kworker/1:1H22:30:131
3527916995640,15cyclictest3663335-21kworker/1:123:28:331
3527916995640,15cyclictest3605152-21kworker/1:122:05:141
3527916995639,16cyclictest3531329-21kworker/1:220:00:131
3527916995632,22cyclictest2449467-1kworker/1:1H19:30:001
3527916995541,14cyclictest3577538-21kworker/1:221:30:141
3527916995540,14cyclictest3717750-21kworker/1:300:15:161
3527916995540,14cyclictest3639602-21kworker/1:122:42:271
3527916995540,14cyclictest3577538-21kworker/1:221:28:281
3527916995540,14cyclictest3553502-21kworker/1:220:30:141
3527916995540,14cyclictest3544823-21kworker/1:320:13:581
3527916995540,14cyclictest3531329-21kworker/1:219:40:051
3527916995539,15cyclictest3562952-21kworker/1:221:07:281
3527916995538,16cyclictest3717750-21kworker/1:300:25:161
3527916995538,16cyclictest3553502-21kworker/1:220:35:541
3527913995550,3cyclictest3618620-21kworker/0:222:29:260
3527913995549,3cyclictest882394-1kworker/0:0H19:20:000
3527916995439,14cyclictest3694982-21kworker/1:223:57:211
3527916995437,16cyclictest3680555-21kworker/1:023:45:131
3527916995437,16cyclictest3568911-21kworker/1:021:15:141
3527913995449,3cyclictest882394-1kworker/0:0H19:35:220
3527919995349,2cyclictest3563037-21kworker/3:021:38:513
3527919995348,3cyclictest1677842-1kworker/3:0H23:36:203
3527919995348,3cyclictest1677842-1kworker/3:0H20:11:133
3527918995348,3cyclictest3819399-1kworker/2:0H22:06:272
3527918995348,3cyclictest3819399-1kworker/2:0H21:42:272
3527918995347,3cyclictest3819399-1kworker/2:0H00:17:222
3527916995339,14cyclictest3689146-21kworker/1:123:44:271
3527916995338,14cyclictest3618096-21kworker/1:222:20:141
3527916995338,14cyclictest3586114-21kworker/1:121:35:141
3527916995338,14cyclictest3551049-21kworker/1:120:25:451
3527919995246,4cyclictest1677842-1kworker/3:0H22:51:143
3527918995246,4cyclictest3819399-1kworker/2:0H21:20:052
3527916995247,3cyclictest3591579-21missed_timers21:40:151
3527916995235,16cyclictest3622401-21kworker/1:122:25:131
3527913995248,2cyclictest3659274-21kworker/0:223:08:570
3527913995246,3cyclictest882394-1kworker/0:0H22:51:150
3527919995148,2cyclictest3563037-21kworker/3:023:26:503
3527919995146,3cyclictest1677842-1kworker/3:0H20:17:313
3527918995148,2cyclictest3651827-21kworker/2:122:55:052
3527918995147,2cyclictest3598288-21kworker/2:022:11:312
3527918995147,2cyclictest3553455-21kworker/2:220:43:572
3527918995146,3cyclictest3819399-1kworker/2:0H00:05:212
3527916995135,15cyclictest3613778-21kworker/1:022:15:001
3527916995135,15cyclictest3531329-21kworker/1:219:20:121
3527913995147,3cyclictest3672457-21kworker/0:223:23:570
3527913995147,2cyclictest3532887-21kworker/0:119:49:530
3527918995047,2cyclictest3581022-21kworker/2:121:47:262
3527918995046,3cyclictest3819399-1kworker/2:0H23:13:522
3527918995046,2cyclictest3819399-1kworker/2:0H21:15:562
3527918995046,2cyclictest3697011-21kworker/2:200:04:522
3527918995046,2cyclictest3531325-21kworker/2:019:32:542
3527918995045,3cyclictest3819399-1kworker/2:0H21:51:382
3527913995046,2cyclictest3719699-21kworker/0:100:23:560
3527913995046,2cyclictest3525126-21kworker/0:119:10:300
3527913995045,3cyclictest882394-1kworker/0:0H23:35:140
3527913995045,3cyclictest3631788-21kworker/0:122:55:130
3527913995045,3cyclictest3568591-21kworker/0:121:19:270
3527913995045,3cyclictest3566050-21kworker/0:021:20:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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