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2026-05-08 - 17:25
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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 May 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4084459997059,9cyclictest2731713-1kworker/0:0H07:44:530
4084460996461,2cyclictest0-21swapper/110:05:221
408446099630,62cyclictest0-21swapper/112:06:281
408446099630,62cyclictest0-21swapper/111:56:011
408446099630,62cyclictest0-21swapper/110:48:201
408446099630,62cyclictest0-21swapper/108:43:501
4084467996241,12cyclictest3288418-1kworker/3:2H09:59:543
4084460996260,1cyclictest0-21swapper/108:25:421
4084460996246,15cyclictest3548654-1kworker/1:0H09:07:451
408446099620,61cyclictest0-21swapper/112:28:451
408446099620,61cyclictest0-21swapper/107:30:301
4084460996159,1cyclictest0-21swapper/107:38:501
408446099610,60cyclictest0-21swapper/108:00:301
4084460996057,2cyclictest0-21swapper/111:45:461
4084460996057,2cyclictest0-21swapper/108:06:501
4084460996043,16cyclictest4124703-21kworker/1:209:17:371
4084460995957,1cyclictest0-21swapper/109:42:201
4084460995944,14cyclictest46618-21kworker/1:011:20:141
4084460995943,15cyclictest3548654-1kworker/1:0H11:40:511
4084460995942,16cyclictest4095233-21kworker/1:007:55:141
4084460995939,18cyclictest4082905-21kworker/1:107:20:121
4084460995856,1cyclictest0-21swapper/108:38:261
4084460995843,14cyclictest4176010-21kworker/1:210:20:121
4084460995843,14cyclictest41673-21kworker/1:211:15:251
4084460995843,14cyclictest4153023-21kworker/1:110:00:281
4084460995843,14cyclictest4102410-21kworker/1:208:15:001
4084460995843,14cyclictest4082905-21kworker/1:107:15:081
4084460995841,16cyclictest4119891-21kworker/1:009:00:121
4084460995838,19cyclictest4190831-21kworker/1:010:25:131
4084460995838,19cyclictest4119891-21kworker/1:009:10:061
4084459995848,8cyclictest2731713-1kworker/0:0H10:10:120
4084460995754,2cyclictest0-21swapper/110:37:191
4084460995742,14cyclictest4176010-21kworker/1:210:10:121
4084460995742,14cyclictest4137399-21kworker/1:109:28:501
4084460995742,14cyclictest4095233-21kworker/1:007:45:011
4084460995742,14cyclictest3548654-1kworker/1:0H12:15:221
4084460995740,16cyclictest4113457-21kworker/1:008:45:141
4084460995738,18cyclictest4137399-21kworker/1:109:30:131
4084460995736,19cyclictest3548654-1kworker/1:0H10:45:001
4084460995654,1cyclictest0-21swapper/107:40:341
4084460995651,3cyclictest0-21swapper/112:35:151
4084460995642,14cyclictest97913-21kworker/1:112:14:551
4084460995642,14cyclictest78433-21kworker/1:211:50:531
4084460995642,14cyclictest4107285-21kworker/1:108:20:141
4084460995641,15cyclictest4143254-21kworker/1:009:35:151
4084460995641,14cyclictest56357-21kworker/1:211:30:061
4084460995641,14cyclictest4102410-21kworker/1:208:10:141
4084460995641,14cyclictest3548654-1kworker/1:0H12:04:451
4084460995640,15cyclictest97913-21kworker/1:112:30:131
4084460995640,15cyclictest4153023-21kworker/1:109:45:131
4084460995640,15cyclictest4118351-21kworker/1:208:57:191
4084460995636,19cyclictest3548654-1kworker/1:0H11:05:151
4084460995553,1cyclictest0-21swapper/110:55:341
4084460995540,14cyclictest61210-21kworker/1:111:36:261
4084460995540,14cyclictest4108271-21kworker/1:308:30:311
4084460995540,14cyclictest4082905-21kworker/1:107:10:011
4084460995540,14cyclictest3548654-1kworker/1:0H11:26:521
4084460995540,14cyclictest3548654-1kworker/1:0H11:10:311
4084460995540,14cyclictest3548654-1kworker/1:0H10:33:461
4084460995539,15cyclictest4095233-21kworker/1:007:54:541
4084460995539,15cyclictest3548654-1kworker/1:0H08:50:061
4084460995538,16cyclictest4161021-21kworker/1:009:54:221
4084460995538,16cyclictest4161021-21kworker/1:009:54:211
4084460995537,17cyclictest4082905-21kworker/1:107:25:131
4084462995449,3cyclictest3402818-1kworker/2:1H11:25:012
4084462995449,3cyclictest3402818-1kworker/2:1H10:07:192
4084460995439,14cyclictest4181026-21kworker/1:010:15:151
4084460995439,14cyclictest4124703-21kworker/1:209:20:141
4084460995438,15cyclictest3548654-1kworker/1:0H12:23:491
4084460995438,15cyclictest23052-21kworker/1:111:00:131
4084460995438,15cyclictest16681-21kworker/1:210:53:191
4084459995449,3cyclictest2731713-1kworker/0:0H09:30:130
4084459995444,8cyclictest4094698-21kworker/0:108:10:140
4084467995346,4cyclictest3288418-1kworker/3:2H10:25:133
4084462995348,3cyclictest3402818-1kworker/2:1H11:05:412
4084460995337,15cyclictest4161021-21kworker/1:009:55:001
4084459995345,6cyclictest2731713-1kworker/0:0H10:55:140
4084462995248,3cyclictest3402818-1kworker/2:1H12:32:202
4084462995248,2cyclictest84593-21kworker/2:212:21:182
4084459995247,4cyclictest2731713-1kworker/0:0H11:01:290
4084462995148,2cyclictest70096-21kworker/2:111:54:502
4084462995147,2cyclictest4172507-21kworker/2:010:03:502
4084462995047,2cyclictest3402818-1kworker/2:1H11:28:192
4084462995045,3cyclictest3402818-1kworker/2:1H12:08:192
4084462995045,3cyclictest3402818-1kworker/2:1H09:33:202
4084462995044,4cyclictest4071324-21kworker/2:107:49:592
4084459995046,3cyclictest4125644-21kworker/0:009:40:210
4084462994945,3cyclictest3402818-1kworker/2:1H08:55:232
4084462994944,3cyclictest3402818-1kworker/2:1H11:00:132
4084462994944,3cyclictest3402818-1kworker/2:1H08:35:572
4084459994944,3cyclictest2731713-1kworker/0:0H10:20:130
4084459994943,4cyclictest2731713-1kworker/0:0H08:05:140
4084459994943,3cyclictest2731713-1kworker/0:0H12:35:530
4084467994845,2cyclictest4125787-21kworker/3:209:19:463
4084467994845,2cyclictest3288418-1kworker/3:2H08:30:373
4084467994844,3cyclictest4110431-21kworker/3:008:50:013
4084467994843,3cyclictest3288418-1kworker/3:2H09:30:003
4084462994844,3cyclictest3402818-1kworker/2:1H07:15:032
4084462994843,3cyclictest3402818-1kworker/2:1H08:25:132
4084459994843,3cyclictest2731713-1kworker/0:0H09:35:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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