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2026-04-08 - 21:58
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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 Wed Apr 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
668997996635,29cyclictest782148-21kworker/1:210:55:001
66899799661,63cyclictest682365-21fschecks_count07:50:121
668997996441,21cyclictest852654-21kworker/1:112:10:141
668997996360,2cyclictest0-21swapper/107:59:031
668997996259,2cyclictest0-21swapper/108:16:381
668997996241,19cyclictest2591160-1kworker/1:1H09:20:001
668997996241,19cyclictest2591160-1kworker/1:1H08:27:051
66899799611,59cyclictest0-21swapper/108:47:081
66899799611,59cyclictest0-21swapper/108:47:071
668997996042,17cyclictest747486-21kworker/1:210:08:511
668997996039,19cyclictest838176-21kworker/1:012:00:011
668997995939,18cyclictest770275-21kworker/1:010:40:121
668997995937,21cyclictest861318-21kworker/1:112:23:381
668997995843,14cyclictest852654-21kworker/1:112:10:001
668997995843,14cyclictest811736-21kworker/1:111:35:141
668997995843,14cyclictest747486-21kworker/1:210:25:141
668997995843,14cyclictest705406-21kworker/1:309:10:141
668997995843,14cyclictest698731-21kworker/1:208:53:331
668997995843,14cyclictest686374-21kworker/1:008:43:031
668997995843,14cyclictest2591160-1kworker/1:1H11:28:041
668997995841,16cyclictest865636-21kworker/1:212:25:141
668997995841,16cyclictest829569-21kworker/1:011:40:151
668997995841,16cyclictest829569-21kworker/1:011:40:151
668997995841,16cyclictest707682-21kworker/1:009:20:131
668997995840,17cyclictest811736-21kworker/1:111:30:001
66899799581,3cyclictest0-21swapper/109:02:341
668997995743,14cyclictest668821-21kworker/1:207:15:131
668997995742,14cyclictest738840-21kworker/1:109:55:131
668997995742,14cyclictest701811-21kworker/1:008:55:031
668997995742,14cyclictest686374-21kworker/1:008:30:131
668997995742,14cyclictest680460-21kworker/1:308:00:041
668997995741,15cyclictest2591160-1kworker/1:1H08:20:131
668997995740,16cyclictest730112-21kworker/1:209:45:131
668997995651,2cyclictest1188-21cron11:25:001
668997995642,14cyclictest668821-21kworker/1:207:32:461
668997995641,14cyclictest865636-21kworker/1:212:34:031
668997995641,14cyclictest848325-21kworker/1:212:15:151
668997995641,14cyclictest770275-21kworker/1:010:36:321
668997995641,14cyclictest738840-21kworker/1:109:50:351
668997995641,14cyclictest717194-21kworker/1:209:28:361
668997995640,15cyclictest686374-21kworker/1:008:35:031
668997995640,15cyclictest2591160-1kworker/1:1H10:56:391
668997995639,16cyclictest747486-21kworker/1:210:10:131
668997995639,16cyclictest721481-21kworker/1:109:35:001
668997995639,16cyclictest668821-21kworker/1:207:20:131
669002995540,12cyclictest2540909-1kworker/3:0H12:18:363
668998995550,3cyclictest786470-21kworker/2:011:12:192
668997995540,14cyclictest798550-21kworker/1:111:05:131
668997995540,14cyclictest705406-21kworker/1:309:05:131
668997995540,14cyclictest678655-21kworker/1:007:40:141
668997995540,14cyclictest668821-21kworker/1:207:10:241
668997995540,14cyclictest2591160-1kworker/1:1H10:00:331
668997995539,15cyclictest838176-21kworker/1:012:00:141
668997995539,15cyclictest802830-21kworker/1:211:15:381
668997995539,15cyclictest770275-21kworker/1:010:30:141
669002995449,3cyclictest2540909-1kworker/3:0H08:51:363
669002995448,3cyclictest2540909-1kworker/3:0H10:33:193
668998995450,3cyclictest776282-21kworker/2:210:43:032
668998995450,2cyclictest759017-21kworker/2:110:16:022
668998995449,3cyclictest737434-21kworker/2:009:54:332
668998995449,3cyclictest718669-21kworker/2:109:32:552
668997995440,14cyclictest807139-21kworker/1:011:12:351
668997995439,14cyclictest793654-21kworker/1:011:00:211
668997995439,14cyclictest668821-21kworker/1:207:25:321
668997995438,15cyclictest721481-21kworker/1:109:35:081
668997995438,15cyclictest686374-21kworker/1:008:10:131
66899799540,2cyclictest0-21swapper/111:55:001
669002995349,3cyclictest705211-21kworker/3:109:52:583
668998995350,2cyclictest759017-21kworker/2:110:14:482
668998995349,2cyclictest677093-21kworker/2:007:40:332
668997995338,14cyclictest747486-21kworker/1:210:20:141
668997995337,15cyclictest668821-21kworker/1:207:35:041
668997995336,16cyclictest770275-21kworker/1:010:45:141
668997995327,24cyclictest833871-21kworker/1:111:45:141
668995995348,3cyclictest674002-21kworker/0:007:45:330
669002995247,3cyclictest2540909-1kworker/3:0H08:42:583
668998995249,2cyclictest718669-21kworker/2:109:27:382
668998995248,2cyclictest677093-21kworker/2:007:59:332
668997995249,2cyclictest0-21swapper/108:07:521
668997995238,14cyclictest721481-21kworker/1:109:40:071
668997995237,14cyclictest760927-21kworker/1:010:16:591
668997995237,14cyclictest680212-21kworker/1:107:45:021
668995995247,3cyclictest4110129-1kworker/0:2H11:32:310
669002995147,2cyclictest858716-21kworker/3:212:29:553
668998995148,2cyclictest812735-21kworker/2:211:33:022
668998995148,2cyclictest812735-21kworker/2:211:25:322
668998995148,2cyclictest763330-21kworker/2:010:23:232
668998995148,2cyclictest677093-21kworker/2:008:29:042
668998995147,2cyclictest677093-21kworker/2:008:18:322
668998995146,3cyclictest668828-21kworker/2:107:18:332
668998995146,3cyclictest3168092-1kworker/2:2H11:54:592
668997995134,16cyclictest865636-21kworker/1:212:35:141
668995995147,2cyclictest4110129-1kworker/0:2H08:20:130
669002995046,3cyclictest2540909-1kworker/3:0H11:05:343
668995995047,2cyclictest695626-21kworker/0:108:37:580
668995995046,3cyclictest4110129-1kworker/0:2H11:23:550
668995995046,2cyclictest701805-21kworker/0:209:05:430
668998994946,2cyclictest3168092-1kworker/2:2H10:49:332
668998994945,3cyclictest857885-21kworker/2:112:19:332
668998994945,3cyclictest3168092-1kworker/2:2H12:20:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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