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2026-03-24 - 08:49
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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 Tue Mar 24, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2852811996840,26cyclictest2878130-21kworker/1:020:30:151
285281199650,63cyclictest0-21swapper/123:40:341
2852811996462,1cyclictest0-21swapper/120:12:401
2852811996461,2cyclictest0-21swapper/121:59:591
2852811996461,1cyclictest0-21swapper/123:53:451
285281199640,63cyclictest0-21swapper/123:24:551
2852811996361,1cyclictest0-21swapper/120:25:051
2852811996360,2cyclictest0-21swapper/122:27:281
2852811996243,18cyclictest2981620-21kworker/1:123:05:141
2852811996242,19cyclictest2854218-21kworker/1:219:20:131
2852811996235,14cyclictest2882082-21kworker/1:320:55:151
285281199621,60cyclictest0-21swapper/120:18:121
285281199620,61cyclictest0-21swapper/119:32:551
2852811996141,18cyclictest2972209-21kworker/1:222:55:111
2852811995955,2cyclictest0-21swapper/120:47:281
2852811995943,15cyclictest2981620-21kworker/1:123:10:061
2852811995943,15cyclictest1028966-1kworker/1:0H22:18:121
2852811995942,16cyclictest3035459-21kworker/1:300:15:161
2852811995942,16cyclictest2911678-21kworker/1:021:40:141
2852811995942,16cyclictest2873236-21kworker/1:120:20:161
2852811995940,18cyclictest2849849-21kworker/1:119:15:151
2852811995843,14cyclictest3003213-21kworker/1:023:38:281
2852811995843,14cyclictest2981620-21kworker/1:123:25:131
2852811995843,14cyclictest2972209-21kworker/1:222:49:551
2852811995843,14cyclictest2932464-21kworker/1:122:00:241
2852811995843,14cyclictest2897119-21kworker/1:121:20:171
2852811995843,14cyclictest2857870-21kworker/1:119:26:281
2852811995843,14cyclictest2849849-21kworker/1:119:10:131
2852811995842,15cyclictest3051763-21kworker/1:000:35:241
2852811995842,15cyclictest3035459-21kworker/1:300:10:171
2852811995842,15cyclictest2981620-21kworker/1:123:15:291
2852811995842,15cyclictest2921516-21kworker/1:121:48:591
2852811995842,14cyclictest1028966-1kworker/1:0H23:55:141
2852811995841,16cyclictest3023945-21kworker/1:100:00:151
2852811995841,15cyclictest2972209-21kworker/1:222:50:341
2852811995838,19cyclictest1028966-1kworker/1:0H21:15:001
2852812995751,3cyclictest1031017-1kworker/2:2H20:15:142
2852811995742,14cyclictest3051763-21kworker/1:000:33:021
2852811995742,14cyclictest2917204-21kworker/1:221:50:141
2852811995742,14cyclictest2892735-21kworker/1:021:29:301
2852811995742,14cyclictest2863654-21kworker/1:020:05:011
2852811995741,15cyclictest2927726-21kworker/1:322:05:061
2852811995741,15cyclictest2905727-21kworker/1:121:34:551
2852811995741,15cyclictest2905727-21kworker/1:121:34:551
2852811995641,14cyclictest2886768-21kworker/1:221:02:281
2852811995641,14cyclictest2863654-21kworker/1:019:50:011
2852811995641,14cyclictest2857870-21kworker/1:119:35:061
2852811995640,15cyclictest2886768-21kworker/1:221:15:141
2852811995640,15cyclictest2863654-21kworker/1:019:42:281
2852811995639,16cyclictest2972209-21kworker/1:223:00:151
2852811995639,16cyclictest2863654-21kworker/1:019:55:141
2852811995638,17cyclictest1028966-1kworker/1:0H19:49:591
2852820995550,3cyclictest2873305-21kworker/3:120:18:073
2852812995550,3cyclictest1031017-1kworker/2:2H00:13:082
2852811995540,14cyclictest3047321-21kworker/1:200:20:141
2852811995540,14cyclictest2882082-21kworker/1:320:40:121
2852811995540,14cyclictest1028966-1kworker/1:0H22:23:531
2852811995539,15cyclictest3032543-21kworker/1:200:09:551
2852811995539,15cyclictest2878130-21kworker/1:020:35:351
2852811995538,16cyclictest2950492-21kworker/1:122:30:121
2852812995449,3cyclictest1031017-1kworker/2:2H22:50:002
2852811995439,14cyclictest2981620-21kworker/1:123:30:141
2852811995439,14cyclictest2886768-21kworker/1:221:05:151
2852811995439,14cyclictest2863654-21kworker/1:020:00:151
2852811995438,15cyclictest2963653-21kworker/1:122:40:061
2852811995438,15cyclictest2927726-21kworker/1:322:10:011
2852820995349,3cyclictest3728265-1kworker/3:2H00:12:283
2852812995349,2cyclictest2852644-21kworker/2:220:54:282
2852812995349,2cyclictest2852644-21kworker/2:219:47:372
2852812995347,4cyclictest1031017-1kworker/2:2H22:15:002
2852811995338,14cyclictest2882082-21kworker/1:320:52:411
2852812995247,3cyclictest1031017-1kworker/2:2H00:25:162
2852812995246,4cyclictest1031017-1kworker/2:2H22:30:122
2852811995237,14cyclictest3035459-21kworker/1:300:25:181
2852811995235,16cyclictest2963653-21kworker/1:122:38:241
285281199521,2cyclictest0-21swapper/123:49:281
2852820995147,2cyclictest3018187-21kworker/3:123:49:273
2852820995146,3cyclictest2943947-21kworker/3:222:18:283
2852812995147,2cyclictest2852644-21kworker/2:220:23:532
2852812995147,2cyclictest2852644-21kworker/2:220:10:282
2852812995146,3cyclictest2950272-21kworker/2:122:38:432
285281199510,50cyclictest0-21swapper/121:36:591
2852809995146,3cyclictest2914243-21kworker/0:121:48:190
2852809995146,3cyclictest2830664-1kworker/0:1H20:25:140
2852809995145,3cyclictest2830664-1kworker/0:1H21:55:130
2852820995047,2cyclictest2972665-21kworker/3:022:57:283
2852820995046,2cyclictest3001926-21kworker/3:223:40:393
2852820995045,3cyclictest3728265-1kworker/3:2H00:30:263
2852820995045,3cyclictest3728265-1kworker/3:2H00:20:293
2852820995045,3cyclictest3728265-1kworker/3:2H00:03:053
2852820995045,3cyclictest2915477-21kworker/3:021:55:223
2852812995047,2cyclictest2852644-21kworker/2:220:33:272
2852812995047,2cyclictest2852644-21kworker/2:219:34:522
2852812995046,2cyclictest2963489-21kworker/2:223:02:272
2852812995046,2cyclictest2852644-21kworker/2:221:05:062
2852812995044,3cyclictest1031017-1kworker/2:2H20:00:002
2852820994946,2cyclictest2943947-21kworker/3:222:27:553
2852812994946,2cyclictest3000109-21kworker/2:023:57:282
2852812994945,3cyclictest1031017-1kworker/2:2H23:48:292
2852812994945,2cyclictest2852644-21kworker/2:219:50:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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