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2026-09-16 - 04:10
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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 Sep 16, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
520985997564,9cyclictest535942-21fschecks_time19:55:161
520985997240,29cyclictest532171-21kworker/1:020:00:151
520985996940,28cyclictest536840-21kworker/1:220:10:161
520985996940,27cyclictest536840-21kworker/1:220:05:151
520985996913,54cyclictest651322-21kworker/1:223:05:131
520985996838,28cyclictest528746-21kworker/1:119:40:151
520985996837,28cyclictest568598-21kworker/1:321:45:141
520985996744,20cyclictest279107-1kworker/1:2H19:15:001
520985996738,27cyclictest740070-21kworker/1:200:35:141
520985996639,25cyclictest607105-21kworker/1:122:50:141
520985996449,11cyclictest609104-21ssh22:05:131
520985996437,25cyclictest554065-21kworker/1:321:00:181
52098599640,62cyclictest0-21swapper/123:00:391
520985996361,1cyclictest0-21swapper/123:21:451
520985996340,22cyclictest651322-21kworker/1:222:55:181
520985996333,27cyclictest728767-21kworker/1:200:20:141
52098599630,62cyclictest0-21swapper/121:36:241
520985996260,1cyclictest0-21swapper/119:20:211
52098599620,61cyclictest0-21swapper/121:26:081
52098599620,48cyclictest0-21swapper/119:30:161
520985996146,14cyclictest695710-21kworker/1:123:45:171
520985996142,18cyclictest568598-21kworker/1:321:50:151
520985996133,27cyclictest627191-21kworker/1:322:25:141
520985996036,15cyclictest279107-1kworker/1:2H21:20:151
520985995945,4cyclictest26350irq/16-i801_smb22:25:011
520985995941,16cyclictest545192-21kworker/1:221:05:141
520985995937,21cyclictest279107-1kworker/1:2H23:40:271
520985995929,21cyclictest279107-1kworker/1:2H20:35:001
520985995843,14cyclictest545192-21kworker/1:220:51:041
520985995843,14cyclictest545192-21kworker/1:220:45:151
520985995841,16cyclictest560652-21kworker/1:121:30:151
520985995841,16cyclictest520819-21kworker/1:019:15:011
520985995841,15cyclictest279107-1kworker/1:2H00:01:161
520985995742,15cyclictest545192-21kworker/1:221:11:061
520985995742,14cyclictest735125-21kworker/1:100:25:331
520985995742,14cyclictest719292-21kworker/1:000:20:001
520985995742,14cyclictest541464-21kworker/1:120:17:251
520985995742,14cyclictest528746-21kworker/1:119:35:251
520985995741,15cyclictest651322-21kworker/1:223:10:131
520985995741,15cyclictest651322-21kworker/1:223:10:131
520985995741,15cyclictest636432-21kworker/1:022:35:201
520985995741,15cyclictest526623-21kworker/1:319:25:171
520985995739,17cyclictest719292-21kworker/1:000:10:011
520985995735,21cyclictest568598-21kworker/1:321:55:131
520985995734,14cyclictest279107-1kworker/1:2H20:25:161
520985995640,15cyclictest279107-1kworker/1:2H22:17:361
520985995638,17cyclictest607105-21kworker/1:122:45:151
520988995550,3cyclictest547651-21kworker/2:020:46:262
520985995541,14cyclictest705197-21kworker/1:200:05:141
520985995540,14cyclictest735125-21kworker/1:100:30:011
520985995540,14cyclictest568598-21kworker/1:322:00:171
520985995540,14cyclictest568598-21kworker/1:321:40:151
520985995540,14cyclictest545192-21kworker/1:220:43:571
520985995540,14cyclictest532171-21kworker/1:019:51:251
520985995539,16cyclictest565346-21kworker/1:021:18:321
520985995539,15cyclictest705197-21kworker/1:223:55:151
520985995537,16cyclictest651322-21kworker/1:223:17:111
520985995536,18cyclictest695710-21kworker/1:123:50:131
520988995449,3cyclictest3683655-1kworker/2:2H00:11:492
520985995440,14cyclictest684706-21kworker/1:123:30:371
520985995438,15cyclictest279107-1kworker/1:2H22:10:061
520984995449,3cyclictest519491-21kworker/0:319:31:120
520984995449,3cyclictest3930334-1kworker/0:2H22:56:120
520984995449,3cyclictest3930334-1kworker/0:2H22:54:510
520984995449,3cyclictest3930334-1kworker/0:2H21:57:510
520989995348,3cyclictest539936-21kworker/3:120:38:513
520988995348,3cyclictest525996-21kworker/2:120:14:512
520988995348,3cyclictest3683655-1kworker/2:2H21:55:012
520985995338,14cyclictest541464-21kworker/1:120:20:011
520985995337,15cyclictest545192-21kworker/1:220:56:061
520985995337,15cyclictest279107-1kworker/1:2H20:36:081
520985995336,16cyclictest528746-21kworker/1:119:45:121
520985995335,17cyclictest670508-21kworker/1:023:35:151
520985995335,17cyclictest607105-21kworker/1:122:43:571
520984995349,3cyclictest533764-21kworker/0:019:48:560
520984995349,2cyclictest549193-21kworker/0:221:05:270
520984995348,3cyclictest3930334-1kworker/0:2H22:47:260
520989995248,3cyclictest612927-21kworker/3:122:31:163
520989995248,2cyclictest589241-21kworker/3:022:20:563
520989995248,2cyclictest535362-21kworker/3:220:00:423
520989995248,2cyclictest4039042-1kworker/3:1H00:30:163
520989995247,3cyclictest4039042-1kworker/3:1H22:55:183
520988995248,2cyclictest525996-21kworker/2:119:52:262
520988995248,2cyclictest3683655-1kworker/2:2H19:45:142
520988995247,3cyclictest3683655-1kworker/2:2H22:56:182
520984995248,2cyclictest677799-21kworker/0:123:34:310
520984995247,3cyclictest742793-21kworker/0:200:36:570
520989995147,3cyclictest612927-21kworker/3:123:21:033
520989995147,3cyclictest535362-21kworker/3:220:08:523
520989995147,2cyclictest612927-21kworker/3:123:48:513
520989995147,2cyclictest507076-21kworker/3:119:41:383
520989995146,3cyclictest612927-21kworker/3:123:59:333
520989995146,3cyclictest612927-21kworker/3:123:15:273
520989995146,3cyclictest539936-21kworker/3:121:01:113
520989995146,3cyclictest539936-21kworker/3:120:12:533
520988995146,3cyclictest3683655-1kworker/2:2H00:00:232
520985995136,14cyclictest670508-21kworker/1:023:27:511
520984995146,4cyclictest3930334-1kworker/0:2H23:38:510
520984995146,3cyclictest3930334-1kworker/0:2H21:10:130
520989995047,2cyclictest612927-21kworker/3:123:41:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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