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2026-04-14 - 18:07
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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 Tue Apr 14, 2026 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
372182599640,63cyclictest0-21swapper/110:30:111
3721825996360,2cyclictest0-21swapper/112:35:311
372182599630,62cyclictest0-21swapper/111:20:501
3721825996142,18cyclictest3733390-21kworker/1:307:45:141
372182599610,60cyclictest0-21swapper/110:30:001
3721826996044,7cyclictest3819399-1kworker/2:0H08:15:152
3721825996057,2cyclictest0-21swapper/108:45:251
372182599600,59cyclictest0-21swapper/107:21:211
3721825995944,14cyclictest3725257-21kworker/1:107:40:161
3721825995942,16cyclictest3887066-21kworker/1:311:50:151
3721825995938,19cyclictest3757178-1kworker/1:2H11:10:011
3721825995843,14cyclictest3831981-21kworker/1:010:45:151
3721825995843,14cyclictest3831981-21kworker/1:010:45:141
3721825995843,14cyclictest3758711-21kworker/1:109:05:141
3721825995843,14cyclictest3742634-21kworker/1:008:30:151
3721825995843,14cyclictest3723211-21kworker/1:007:15:121
3721825995842,15cyclictest3887066-21kworker/1:311:56:031
3721825995842,15cyclictest3850636-21kworker/1:011:04:371
3721825995842,15cyclictest3846215-21kworker/1:310:57:131
3721825995842,15cyclictest3787071-21kworker/1:009:45:011
3721825995842,15cyclictest3755665-21kworker/1:308:55:361
3721825995842,15cyclictest3736993-21kworker/1:008:00:141
3721825995842,15cyclictest2639477-1kworker/1:0H08:24:151
3721825995839,18cyclictest3753460-21kworker/1:008:50:151
3721825995754,2cyclictest0-21swapper/112:19:141
3721825995754,2cyclictest0-21swapper/112:19:131
3721825995742,14cyclictest3913522-21kworker/1:012:23:441
3721825995742,14cyclictest3904893-21kworker/1:212:10:131
3721825995742,14cyclictest3900524-21kworker/1:112:04:451
3721825995742,14cyclictest3870238-21kworker/1:111:25:151
3721825995742,14cyclictest3770071-21kworker/1:209:30:011
3721825995742,14cyclictest3757178-1kworker/1:2H12:05:161
3721825995742,14cyclictest3742634-21kworker/1:008:16:381
3721825995742,14cyclictest3733390-21kworker/1:307:50:131
3721825995742,14cyclictest3725257-21kworker/1:107:35:311
3721825995742,14cyclictest3725257-21kworker/1:107:35:301
3721825995741,15cyclictest3918123-21kworker/1:112:25:451
3721825995741,15cyclictest3875754-21kworker/1:211:35:181
3721825995741,15cyclictest3863986-21kworker/1:011:30:411
3721825995740,16cyclictest3884431-21kworker/1:011:45:151
3721825995740,16cyclictest3875754-21kworker/1:211:40:171
3721825995740,16cyclictest3859668-21kworker/1:211:15:161
3721825995738,17cyclictest3823399-21kworker/1:210:35:141
372182599570,1cyclictest3742689-21sh08:15:011
3721829995650,3cyclictest1677842-1kworker/3:0H11:10:143
3721825995641,14cyclictest3855079-21kworker/1:111:10:001
3721825995641,14cyclictest3758711-21kworker/1:109:14:181
3721825995641,14cyclictest3758711-21kworker/1:109:14:171
3721825995641,14cyclictest3739555-21kworker/1:108:05:141
3721825995640,15cyclictest3795612-21kworker/1:010:10:311
3721825995640,15cyclictest3795612-21kworker/1:010:05:011
3721825995640,15cyclictest3747874-21kworker/1:308:40:141
3721825995640,15cyclictest3747874-21kworker/1:308:35:281
3721825995640,15cyclictest3721633-21kworker/1:207:15:011
3721825995640,15cyclictest2639477-1kworker/1:0H07:30:111
3721825995637,18cyclictest3814797-21kworker/1:210:20:001
3721826995549,4cyclictest3819399-1kworker/2:0H07:18:092
3721825995540,14cyclictest3742634-21kworker/1:008:29:091
3721825995536,18cyclictest3770071-21kworker/1:209:30:131
3721829995449,3cyclictest1677842-1kworker/3:0H12:29:433
3721826995449,3cyclictest3819399-1kworker/2:0H10:00:162
3721825995439,14cyclictest3823399-21kworker/1:210:40:061
3721825995439,14cyclictest3778500-21kworker/1:109:35:011
3721825995438,15cyclictest3814797-21kworker/1:210:20:001
3721825995438,15cyclictest3757178-1kworker/1:2H09:56:441
3721825995438,15cyclictest3725257-21kworker/1:107:25:171
3721822995450,2cyclictest3706453-21kworker/0:107:31:420
3721826995346,4cyclictest3819399-1kworker/2:0H11:45:142
3721825995338,14cyclictest3799993-21kworker/1:110:04:141
3721825995338,14cyclictest3733390-21kworker/1:307:55:231
372182599531,51cyclictest3764366-21fschecks_count09:15:141
3721822995349,2cyclictest3754988-21kworker/0:209:05:060
3721829995248,2cyclictest3721694-21kworker/3:308:22:133
3721829995247,3cyclictest1677842-1kworker/3:0H07:40:153
3721826995247,3cyclictest3849657-21kworker/2:011:17:422
3721825995237,14cyclictest3922428-21kworker/1:212:30:011
3721825995235,16cyclictest3782767-21kworker/1:209:40:011
3721825995232,19cyclictest3836287-21kworker/1:110:50:141
372182599520,51cyclictest0-21swapper/109:24:191
3721822995248,3cyclictest3847593-21kworker/0:111:07:450
3721822995247,3cyclictest3730197-21kworker/0:207:50:100
3721829995147,2cyclictest3882190-21kworker/3:212:12:413
3721829995146,3cyclictest3820861-21kworker/3:111:17:113
3721829995145,3cyclictest1677842-1kworker/3:0H12:24:543
3721826995146,3cyclictest3818887-21kworker/2:210:39:442
3721826995145,3cyclictest3819399-1kworker/2:0H08:45:002
3721822995148,2cyclictest3837371-21kworker/0:010:58:380
3721822995148,2cyclictest3786237-21kworker/0:110:30:440
3721822995147,2cyclictest659122-1kworker/0:1H07:11:120
3721822995146,3cyclictest659122-1kworker/0:1H11:47:140
3721829995047,2cyclictest3913642-21kworker/3:112:35:323
3721829995047,2cyclictest3756538-21kworker/3:009:39:403
3721825995034,15cyclictest3778500-21kworker/1:109:50:021
3721825995034,15cyclictest2639477-1kworker/1:0H09:00:141
3721822995047,1cyclictest3754988-21kworker/0:209:04:140
3721822995046,2cyclictest3912690-21kworker/0:112:34:490
3721822995046,2cyclictest3754988-21kworker/0:209:10:420
3721822995046,2cyclictest3754988-21kworker/0:209:10:410
3721829994946,2cyclictest3882190-21kworker/3:211:43:143
3721829994946,2cyclictest1677842-1kworker/3:0H11:07:183
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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