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2026-04-10 - 12:14
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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 Fri Apr 10, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3534265997548,18cyclictest3691515-21kworker/1:100:00:141
3534265997339,16cyclictest3696454-21kworker/1:323:43:291
3534265996637,28cyclictest3633356-21kworker/1:222:25:151
3534265996238,18cyclictest3731599-21kworker/1:200:23:381
353426599610,60cyclictest0-21swapper/121:58:111
3534265996042,17cyclictest3705742-21kworker/1:223:55:141
3534265995956,1cyclictest0-21swapper/123:38:191
3534265995943,15cyclictest3553439-21kworker/1:120:15:121
3534265995942,16cyclictest879154-1kworker/1:2H19:40:051
3534265995942,16cyclictest3572968-21kworker/1:121:10:161
3534265995941,16cyclictest3731599-21kworker/1:200:25:151
3534265995941,16cyclictest3731599-21kworker/1:200:25:151
3534265995933,15cyclictest3637647-21kworker/1:122:30:061
3534265995843,14cyclictest3714362-21kworker/1:200:05:151
3534265995843,14cyclictest3682871-21kworker/1:223:27:191
3534265995843,14cyclictest3669395-21kworker/1:123:15:151
3534265995842,14cyclictest879154-1kworker/1:2H21:20:151
3534265995841,16cyclictest3571179-21kworker/1:021:05:121
3534265995840,17cyclictest879154-1kworker/1:2H22:15:011
3534265995742,14cyclictest879154-1kworker/1:2H20:05:121
3534265995742,14cyclictest3598169-21kworker/1:221:41:501
3534265995741,15cyclictest3731599-21kworker/1:200:30:151
3534265995741,15cyclictest3557471-21kworker/1:320:25:011
3534265995741,15cyclictest3532699-21kworker/1:319:10:151
3534265995740,16cyclictest3718693-21kworker/1:000:10:141
3534265995740,16cyclictest3595333-21kworker/1:121:45:211
3534265995740,16cyclictest3586378-21kworker/1:121:28:211
3534265995740,16cyclictest3540135-21kworker/1:319:30:151
3534265995740,15cyclictest879154-1kworker/1:2H23:50:151
3534265995740,15cyclictest3557471-21kworker/1:320:30:151
353426599571,54cyclictest0-21swapper/122:45:171
3534265995654,1cyclictest0-21swapper/120:40:261
3534265995641,14cyclictest879154-1kworker/1:2H23:05:061
3534265995641,14cyclictest3637647-21kworker/1:122:35:151
3534265995641,14cyclictest3611735-21kworker/1:122:01:191
3534265995641,14cyclictest3581814-21kworker/1:321:30:171
3534265995640,15cyclictest3722981-21kworker/1:100:15:141
3534265995640,15cyclictest3620309-21kworker/1:022:20:011
3534265995640,15cyclictest3561467-21kworker/1:220:45:141
3534265995640,15cyclictest3561467-21kworker/1:220:35:141
3534265995640,15cyclictest3547323-21kworker/1:319:50:131
3534265995639,16cyclictest3671913-21kworker/1:323:10:141
3534265995638,17cyclictest879154-1kworker/1:2H23:20:051
3534265995553,1cyclictest0-21swapper/120:13:131
3534265995553,1cyclictest0-21swapper/120:03:201
3534265995540,14cyclictest879154-1kworker/1:2H20:50:141
3534265995540,14cyclictest3740171-21kworker/1:000:38:461
3534265995540,14cyclictest3656474-21kworker/1:222:55:011
3534265995540,14cyclictest3540135-21kworker/1:319:27:431
3534265995539,15cyclictest3537705-21kworker/1:119:20:141
3534265995538,16cyclictest3581814-21kworker/1:321:35:131
3534265995537,17cyclictest3665129-21kworker/1:023:04:191
3534265995536,18cyclictest879154-1kworker/1:2H19:39:591
3534265995535,19cyclictest3696454-21kworker/1:323:45:141
3534265995535,19cyclictest3532699-21kworker/1:319:15:141
3534261995550,3cyclictest4110129-1kworker/0:2H20:55:140
3534272995451,2cyclictest3617862-21kworker/3:222:40:473
3534270995448,4cyclictest3710908-21kworker/2:100:17:312
3534265995439,14cyclictest3643305-21kworker/1:322:40:061
3534265995439,14cyclictest3616062-21kworker/1:222:05:011
3534265995438,15cyclictest3656474-21kworker/1:222:52:501
3534265995438,15cyclictest3607445-21kworker/1:221:53:051
3534265995438,15cyclictest3572968-21kworker/1:121:15:161
3534265995438,15cyclictest3544120-21kworker/1:019:47:111
3534272995350,2cyclictest3679399-21kworker/3:023:54:053
3534272995350,2cyclictest2279701-21kworker/3:119:50:423
3534272995350,2cyclictest1436791-1kworker/3:2H22:06:183
3534272995349,2cyclictest2279701-21kworker/3:120:13:273
3534270995347,4cyclictest3168092-1kworker/2:2H22:40:162
3534265995338,14cyclictest3687193-21kworker/1:023:31:191
3534265995337,15cyclictest3571179-21kworker/1:021:02:581
3534265995337,15cyclictest3557471-21kworker/1:320:20:421
3534265995337,15cyclictest3547323-21kworker/1:319:55:151
3534272995249,2cyclictest3679399-21kworker/3:000:00:363
3534272995248,3cyclictest2279701-21kworker/3:119:14:553
3534265995223,28cyclictest3561467-21kworker/1:220:55:011
3534272995147,3cyclictest2279701-21kworker/3:120:02:183
3534272995146,3cyclictest1436791-1kworker/3:2H22:35:313
3534265995134,16cyclictest3620309-21kworker/1:022:15:151
3534261995146,3cyclictest4110129-1kworker/0:2H22:30:000
3534272995046,2cyclictest1436791-1kworker/3:2H19:35:003
3534261995047,2cyclictest3591033-21kworker/0:222:03:420
3534261995045,3cyclictest4110129-1kworker/0:2H21:05:130
3534261995045,3cyclictest4110129-1kworker/0:2H00:29:190
3534261995045,3cyclictest4110129-1kworker/0:2H00:29:190
3534272994946,2cyclictest2279701-21kworker/3:120:37:443
3534272994945,3cyclictest2279701-21kworker/3:121:55:063
3534272994944,3cyclictest1436791-1kworker/3:2H19:15:143
3534270994944,3cyclictest3168092-1kworker/2:2H22:45:162
3534270994943,3cyclictest3674917-21kworker/2:123:33:332
3534261994946,2cyclictest3719305-21kworker/0:200:13:200
3534261994944,3cyclictest4110129-1kworker/0:2H19:42:480
3534261994943,4cyclictest4110129-1kworker/0:2H22:30:140
3534272994845,2cyclictest2279701-21kworker/3:120:50:313
3534272994845,2cyclictest2279701-21kworker/3:120:43:193
3534272994844,3cyclictest1436791-1kworker/3:2H23:13:443
3534272994844,3cyclictest1436791-1kworker/3:2H23:00:213
3534272994843,3cyclictest1436791-1kworker/3:2H23:40:163
3534272994843,3cyclictest1436791-1kworker/3:2H20:25:173
3534272994842,3cyclictest1436791-1kworker/3:2H22:28:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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