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2026-04-03 - 07:13
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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 03, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3968147996763,2cyclictest0-21swapper/123:00:461
396814799663,1cyclictest0-21swapper/120:40:451
3968147996447,16cyclictest4142349-21kworker/1:200:00:121
3968147996143,17cyclictest535011-1kworker/1:2H23:40:001
3968147996143,17cyclictest3974697-21kworker/1:219:45:131
3968147996057,2cyclictest0-21swapper/121:29:161
3968147996057,2cyclictest0-21swapper/100:40:001
3968147996045,14cyclictest4137220-21kworker/1:123:50:171
3968147996043,15cyclictest535011-1kworker/1:2H20:45:141
3968147995943,15cyclictest3990651-21kworker/1:220:25:141
3968147995939,18cyclictest4039523-21kworker/1:222:00:141
3968147995843,14cyclictest4070439-21kworker/1:222:45:011
3968147995843,14cyclictest4044731-21kworker/1:122:10:031
3968147995843,14cyclictest4025540-21kworker/1:321:45:021
3968147995843,14cyclictest3992745-21kworker/1:320:32:181
3968147995843,14cyclictest3981113-21kworker/1:119:55:161
3968147995841,16cyclictest3966600-21kworker/1:319:25:101
3968147995840,17cyclictest535011-1kworker/1:2H23:15:001
3968147995742,14cyclictest535011-1kworker/1:2H23:05:031
3968147995742,14cyclictest4115309-21kworker/1:023:25:141
3968147995742,14cyclictest4001186-21kworker/1:221:05:171
3968147995742,14cyclictest4001186-21kworker/1:221:00:121
3968147995742,14cyclictest3985751-21kworker/1:320:12:161
3968147995742,14cyclictest3985751-21kworker/1:320:05:141
3968147995742,14cyclictest3985751-21kworker/1:320:02:211
3968147995741,15cyclictest4131621-21kworker/1:023:43:461
3968147995741,15cyclictest4080589-21kworker/1:122:50:131
3968147995741,15cyclictest3966600-21kworker/1:319:15:141
3968147995741,15cyclictest3966600-21kworker/1:319:15:131
3968147995739,17cyclictest4044731-21kworker/1:122:05:141
3968147995739,17cyclictest3995065-21kworker/1:120:35:151
3968149995650,4cyclictest3168092-1kworker/2:2H23:10:012
3968147995651,3cyclictest3978592-21expr19:40:121
3968147995641,14cyclictest535011-1kworker/1:2H19:30:121
3968147995641,14cyclictest535011-1kworker/1:2H00:27:401
3968147995641,14cyclictest4070439-21kworker/1:222:36:461
3968147995641,14cyclictest4070439-21kworker/1:222:31:291
3968147995641,14cyclictest4003004-21kworker/1:021:20:141
3968147995640,15cyclictest4106826-21kworker/1:323:20:141
3968147995640,15cyclictest4059200-21kworker/1:322:15:141
3968147995640,15cyclictest4008902-21kworker/1:321:15:151
3968147995639,16cyclictest535011-1kworker/1:2H22:55:121
3968147995639,16cyclictest3966600-21kworker/1:319:11:451
3968147995638,17cyclictest4039523-21kworker/1:221:50:161
3968147995638,17cyclictest4025540-21kworker/1:321:41:451
3968147995637,18cyclictest535011-1kworker/1:2H00:35:001
3968147995637,17cyclictest535011-1kworker/1:2H00:20:051
3968147995637,17cyclictest4137220-21kworker/1:100:10:001
3968144995650,3cyclictest3115968-1kworker/0:0H20:17:170
3968150995549,3cyclictest2721984-1kworker/3:2H21:17:253
3968147995551,2cyclictest0-21swapper/120:50:101
3968147995540,14cyclictest4142349-21kworker/1:223:55:121
3968147995540,14cyclictest4115542-21kworker/1:223:30:121
3968147995540,14cyclictest3990651-21kworker/1:220:22:181
3968147995539,15cyclictest4137220-21kworker/1:100:10:011
3968147995539,15cyclictest4044731-21kworker/1:122:20:141
3968147995539,15cyclictest4025540-21kworker/1:321:38:451
3968147995539,15cyclictest4016014-21kworker/1:221:31:181
3968147995539,15cyclictest3974697-21kworker/1:219:50:141
3968147995539,15cyclictest3966600-21kworker/1:319:20:141
3968149995449,3cyclictest4083180-21kworker/2:022:45:222
3968150995349,2cyclictest2694114-21kworker/3:120:17:313
3968149995349,3cyclictest3168092-1kworker/2:2H19:52:522
3968149995348,3cyclictest3168092-1kworker/2:2H20:50:122
3968147995338,14cyclictest4003004-21kworker/1:021:10:151
3968147995338,14cyclictest3985751-21kworker/1:320:15:321
3968147995337,15cyclictest4131621-21kworker/1:023:45:071
3968147995337,15cyclictest4044731-21kworker/1:122:25:181
3968147995336,16cyclictest3973155-21kworker/1:119:35:131
3968150995248,3cyclictest2721984-1kworker/3:2H23:40:323
3968150995248,2cyclictest2694114-21kworker/3:119:34:453
3968149995247,3cyclictest3168092-1kworker/2:2H19:29:152
3968149995246,3cyclictest3168092-1kworker/2:2H22:12:302
3968149995246,3cyclictest3168092-1kworker/2:2H20:07:162
3968147995237,14cyclictest4080589-21kworker/1:122:45:451
3968150995148,2cyclictest4014287-21kworker/3:121:50:533
3968150995148,2cyclictest4014287-21kworker/3:121:31:253
3968150995147,2cyclictest2694114-21kworker/3:119:22:153
3968150995146,3cyclictest2721984-1kworker/3:2H19:39:553
3968149995146,3cyclictest3168092-1kworker/2:2H19:40:442
3968147995148,2cyclictest26350irq/16-i801_smb21:56:161
3968147995136,14cyclictest4080589-21kworker/1:123:15:011
3968150995047,2cyclictest4014287-21kworker/3:123:59:463
3968150995046,3cyclictest4166544-21kworker/3:000:36:473
3968150995046,2cyclictest2694114-21kworker/3:119:12:453
3968150995044,4cyclictest2721984-1kworker/3:2H00:11:143
3968149995045,3cyclictest3168092-1kworker/2:2H21:10:122
3968147995035,14cyclictest4001194-21kworker/1:320:55:131
3968147995035,14cyclictest4001194-21kworker/1:320:55:121
396814799501,48cyclictest0-21swapper/100:16:261
3968150994945,2cyclictest4001244-21kworker/3:021:02:453
3968150994945,2cyclictest2694114-21kworker/3:120:34:163
3968150994943,4cyclictest2721984-1kworker/3:2H22:46:153
3968150994943,3cyclictest2721984-1kworker/3:2H00:02:383
3968144994945,2cyclictest3984207-21kworker/0:220:30:400
3968144994944,3cyclictest3115968-1kworker/0:0H20:52:180
3968144994944,3cyclictest3115968-1kworker/0:0H19:43:450
3968144994944,3cyclictest3115968-1kworker/0:0H19:25:260
3968144994944,2cyclictest3115968-1kworker/0:0H00:00:140
3968144994942,4cyclictest3115968-1kworker/0:0H21:55:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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