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2026-05-20 - 07:01
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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 May 20, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
263712997241,30cyclictest267156-21kworker/1:219:40:131
26371299650,64cyclictest0-21swapper/121:22:121
26371299650,3cyclictest359293-21kworker/1:022:15:151
263712996440,22cyclictest881507-1kworker/1:0H21:40:001
263712996140,20cyclictest422640-21kworker/1:023:25:141
263712995944,14cyclictest456920-21kworker/1:000:10:151
263712995941,17cyclictest267156-21kworker/1:219:35:151
263712995940,18cyclictest881507-1kworker/1:0H20:05:011
263712995940,17cyclictest262340-21kworker/1:019:15:141
263713995845,11cyclictest3402818-1kworker/2:1H20:45:152
263712995842,15cyclictest881507-1kworker/1:0H21:10:141
263712995842,15cyclictest276436-21kworker/1:119:50:171
263712995840,16cyclictest881507-1kworker/1:0H22:55:131
263712995836,20cyclictest292551-21kworker/1:320:45:131
263713995750,5cyclictest351610-21kworker/2:222:06:322
263713995742,13cyclictest3402818-1kworker/2:1H21:20:012
263712995741,15cyclictest432506-21kworker/1:023:40:131
263712995741,15cyclictest283224-21kworker/1:020:25:141
263712995740,16cyclictest375642-21kworker/1:222:35:161
263712995740,16cyclictest349521-21kworker/1:122:05:011
263712995736,20cyclictest295206-21kworker/1:120:55:141
26371299571,3cyclictest283224-21kworker/1:020:15:011
263711995753,2cyclictest442265-21kworker/0:100:00:010
263713995648,5cyclictest3402818-1kworker/2:1H23:40:312
263712995641,14cyclictest488310-21kworker/1:000:35:141
263712995641,14cyclictest488310-21kworker/1:000:31:241
263712995641,14cyclictest432506-21kworker/1:023:35:141
263712995641,14cyclictest410122-21kworker/1:123:20:151
263712995641,14cyclictest394337-21kworker/1:023:10:001
263712995641,14cyclictest389521-21kworker/1:322:45:131
263712995640,15cyclictest295206-21kworker/1:121:00:451
263712995639,16cyclictest461988-21kworker/1:100:06:131
263712995638,17cyclictest276436-21kworker/1:119:55:131
26371299562,3cyclictest0-21swapper/120:18:071
263721995551,3cyclictest3655225-1kworker/3:2H22:09:393
263712995540,14cyclictest442255-21kworker/1:223:45:151
263712995540,14cyclictest262340-21kworker/1:019:10:181
263712995539,15cyclictest410122-21kworker/1:123:15:161
263712995539,15cyclictest394337-21kworker/1:023:05:131
263712995537,17cyclictest276436-21kworker/1:120:05:141
26371299550,54cyclictest604-21rs:main1
26371299550,2cyclictest0-21swapper/121:18:321
263711995550,3cyclictest1167012-1kworker/0:0H20:25:390
263721995450,2cyclictest247498-21kworker/3:221:02:033
263721995449,3cyclictest3655225-1kworker/3:2H22:41:463
263721995449,3cyclictest3655225-1kworker/3:2H19:59:283
263713995448,4cyclictest3402818-1kworker/2:1H21:20:262
263712995439,14cyclictest349521-21kworker/1:122:05:161
263712995439,14cyclictest288777-21kworker/1:220:40:141
263712995439,14cyclictest274895-21kworker/1:019:45:141
263712995439,14cyclictest267156-21kworker/1:219:30:001
263712995438,15cyclictest881507-1kworker/1:0H20:50:311
263712995438,15cyclictest456920-21kworker/1:000:01:181
263712995438,15cyclictest394337-21kworker/1:022:50:171
263712995438,15cyclictest328470-21kworker/1:121:40:161
263712995438,15cyclictest288777-21kworker/1:220:30:151
263712995437,16cyclictest472061-21kworker/1:100:21:401
263712995436,17cyclictest375642-21kworker/1:222:40:141
263711995449,3cyclictest1167012-1kworker/0:0H23:04:100
263721995349,3cyclictest247498-21kworker/3:220:33:403
263721995348,3cyclictest3655225-1kworker/3:2H23:00:153
263712995349,2cyclictest26350irq/16-i801_smb00:00:011
263712995348,3cyclictest0-21swapper/122:31:021
263712995338,14cyclictest427123-21kworker/1:223:30:141
263712995338,14cyclictest394337-21kworker/1:023:00:011
263712995338,14cyclictest369088-21kworker/1:122:26:031
263712995338,14cyclictest333370-21kworker/1:221:45:171
263712995338,14cyclictest313846-21kworker/1:221:27:361
263712995338,14cyclictest283224-21kworker/1:020:22:021
263712995337,15cyclictest318668-21kworker/1:121:30:591
263712995336,16cyclictest299587-21kworker/1:221:10:001
26371299530,51cyclictest338869-21grep21:50:141
263711995349,3cyclictest259129-21kworker/0:019:11:320
263711995338,13cyclictest1167012-1kworker/0:0H22:31:030
263721995248,3cyclictest247498-21kworker/3:219:50:423
263713995245,4cyclictest3402818-1kworker/2:1H22:20:422
263713995244,6cyclictest3402818-1kworker/2:1H21:14:592
263713995244,5cyclictest3402818-1kworker/2:1H19:40:312
263713995242,6cyclictest3402818-1kworker/2:1H00:40:012
263712995249,2cyclictest0-21swapper/121:59:081
263712995248,2cyclictest366525-21fschecks_count22:20:141
263712995237,14cyclictest467178-21kworker/1:200:15:371
263712995237,14cyclictest442255-21kworker/1:223:50:261
263712995237,14cyclictest288777-21kworker/1:220:35:001
263712995236,15cyclictest263833-21kworker/1:119:20:131
263711995246,4cyclictest1167012-1kworker/0:0H23:41:120
263721995145,4cyclictest3655225-1kworker/3:2H19:20:283
263713995145,4cyclictest3402818-1kworker/2:1H22:30:202
263713995143,5cyclictest3402818-1kworker/2:1H21:45:172
263712995135,15cyclictest482443-21kworker/1:300:26:131
263712995135,15cyclictest267156-21kworker/1:219:25:291
263711995147,2cyclictest271794-21kworker/0:219:51:140
263711995146,3cyclictest1167012-1kworker/0:0H19:30:290
263721995046,3cyclictest247498-21kworker/3:219:16:333
263721995044,4cyclictest3655225-1kworker/3:2H22:01:283
263721995044,4cyclictest3655225-1kworker/3:2H00:36:133
263721995044,4cyclictest3655225-1kworker/3:2H00:20:443
263713995044,4cyclictest3402818-1kworker/2:1H20:15:012
263711995047,2cyclictest391356-21kworker/0:122:46:460
263711995047,2cyclictest268715-21kworker/0:019:43:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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