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2026-05-18 - 13:49
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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 Mon May 18, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327453199620,1cyclictest0-21swapper/121:07:321
3274531996158,2cyclictest0-21swapper/123:10:051
3274531995944,14cyclictest3283270-21kworker/1:319:50:031
3274531995942,16cyclictest3464494-21kworker/1:100:00:021
3274531995942,16cyclictest3361167-21kworker/1:022:05:161
3274531995939,18cyclictest3464494-21kworker/1:100:05:171
3274531995843,14cyclictest3303011-21kworker/1:120:40:271
3274531995843,14cyclictest3303011-21kworker/1:120:40:261
3274531995842,15cyclictest881507-1kworker/1:0H21:55:131
3274531995842,15cyclictest3488790-21kworker/1:200:25:131
3274531995842,15cyclictest3269989-21kworker/1:319:10:131
3274531995841,16cyclictest3380789-21kworker/1:222:55:131
3274531995841,16cyclictest3380789-21kworker/1:222:40:141
3274531995840,17cyclictest3336987-21kworker/1:221:40:141
3274531995840,16cyclictest3450064-21kworker/1:223:45:151
3274531995743,14cyclictest3459708-21kworker/1:023:55:141
3274531995742,14cyclictest881507-1kworker/1:0H20:00:131
3274531995742,14cyclictest3488790-21kworker/1:200:30:181
3274531995742,14cyclictest3440433-21kworker/1:023:40:141
3274531995742,14cyclictest3440433-21kworker/1:023:35:011
3274531995742,14cyclictest3440433-21kworker/1:023:35:001
3274531995742,14cyclictest3429347-21kworker/1:123:25:221
3274531995742,14cyclictest3429347-21kworker/1:123:25:211
3274531995742,14cyclictest3414933-21kworker/1:223:20:001
3274531995742,14cyclictest3380789-21kworker/1:222:45:151
3274531995742,14cyclictest3380789-21kworker/1:222:30:171
3274531995742,14cyclictest3307579-21kworker/1:121:00:011
3274531995742,14cyclictest3292144-21kworker/1:020:46:251
3274531995742,14cyclictest3292144-21kworker/1:020:35:161
3274531995742,14cyclictest3292144-21kworker/1:020:30:141
3274531995742,14cyclictest3292144-21kworker/1:020:25:141
3274531995742,14cyclictest3292144-21kworker/1:020:05:001
3274531995742,14cyclictest3283270-21kworker/1:319:55:151
3274531995742,14cyclictest3283270-21kworker/1:319:45:161
3274531995742,14cyclictest3279537-21kworker/1:219:25:321
3274531995742,14cyclictest3275930-21kworker/1:119:17:011
3274531995741,15cyclictest3464494-21kworker/1:100:18:031
3274531995741,15cyclictest3371736-21kworker/1:322:20:151
3274531995741,15cyclictest3315673-21kworker/1:121:35:021
3274531995741,14cyclictest881507-1kworker/1:0H21:26:291
3274531995740,16cyclictest3312220-21kworker/1:021:10:161
3274531995740,16cyclictest3307579-21kworker/1:120:55:141
3274531995737,19cyclictest3312220-21kworker/1:021:15:201
3274536995651,3cyclictest3436309-21kworker/2:023:30:412
3274531995641,14cyclictest3380789-21kworker/1:222:25:161
3274531995641,14cyclictest3351382-21kworker/1:222:00:061
3274531995641,14cyclictest3341796-21kworker/1:021:50:141
3274531995641,14cyclictest3315673-21kworker/1:121:33:011
3274531995641,14cyclictest3315673-21kworker/1:121:21:301
3274531995639,16cyclictest3292144-21kworker/1:020:10:141
3274531995637,17cyclictest3356141-21kworker/1:122:10:171
3274531995540,14cyclictest3498093-21kworker/1:300:35:141
3274531995540,14cyclictest3484021-21kworker/1:000:20:021
3274531995540,14cyclictest3434893-21kworker/1:323:31:331
3274531995540,14cyclictest3414933-21kworker/1:223:15:131
3274531995540,14cyclictest3400563-21kworker/1:022:50:151
3274531995540,14cyclictest3279537-21kworker/1:219:30:021
3274531995538,16cyclictest881507-1kworker/1:0H00:13:271
3274531995538,16cyclictest3306040-21kworker/1:220:50:141
3274531995535,19cyclictest3410145-21kworker/1:023:00:161
3274536995450,3cyclictest3325006-21kworker/2:022:02:082
3274531995448,4cyclictest3393568-21true22:40:011
3274531995439,14cyclictest881507-1kworker/1:0H20:20:261
3274537995349,2cyclictest3352755-21kworker/3:023:20:063
3274536995348,3cyclictest3402818-1kworker/2:1H22:14:282
3274536995348,3cyclictest3364651-21kworker/2:222:09:592
3274536995344,6cyclictest3402818-1kworker/2:1H21:30:142
3274531995338,15cyclictest881507-1kworker/1:0H21:45:151
3274531995338,14cyclictest3283270-21kworker/1:319:40:141
3274530995348,3cyclictest3380276-21kworker/0:223:05:080
3274530995348,3cyclictest1167012-1kworker/0:0H20:25:210
3274536995249,2cyclictest3298325-21kworker/2:020:40:422
3274536995249,2cyclictest3298325-21kworker/2:020:40:412
3274531995237,14cyclictest3371736-21kworker/1:322:15:161
3274531995237,14cyclictest3371736-21kworker/1:322:15:151
3274531995237,14cyclictest3292144-21kworker/1:020:15:151
3274531995237,14cyclictest3275930-21kworker/1:119:20:151
3274531995236,15cyclictest3414933-21kworker/1:223:05:141
3274530995249,2cyclictest3333880-21kworker/0:121:36:370
3274530995247,3cyclictest1167012-1kworker/0:0H00:25:130
3274530995246,4cyclictest1167012-1kworker/0:0H19:55:050
3274537995148,2cyclictest2014396-21kworker/3:120:35:523
3274537995147,3cyclictest3352755-21kworker/3:022:39:273
3274536995148,2cyclictest3293678-21kworker/2:020:08:272
3274536995146,3cyclictest3456597-21kworker/2:123:55:132
3274531995148,2cyclictest26350irq/16-i801_smb23:50:221
3274531995146,3cyclictest3283216-21fschecks_count19:35:141
3274530995148,2cyclictest3325324-21kworker/0:022:17:020
3274530995148,2cyclictest3325324-21kworker/0:022:17:010
3274530995147,2cyclictest3296770-21kworker/0:120:22:370
3274530995146,3cyclictest3448432-21kworker/0:123:44:020
3274530995146,3cyclictest3380276-21kworker/0:223:11:020
3274537995045,3cyclictest3655225-1kworker/3:2H19:55:143
3274537995045,3cyclictest3440921-21kworker/3:100:20:113
3274537995045,3cyclictest2014396-21kworker/3:119:45:233
3274536995047,2cyclictest3325006-21kworker/2:021:59:022
3274536995046,2cyclictest3402818-1kworker/2:1H22:55:142
3274536995045,3cyclictest3402818-1kworker/2:1H23:45:002
3274530995047,2cyclictest3279793-21kworker/0:019:30:210
3274530995046,3cyclictest3380276-21kworker/0:223:00:350
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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