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2026-06-19 - 11:21
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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 50 highest latencies:
System rackeslot3.osadl.org (updated Fri Jun 19, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3980184996763,2cyclictest0-21swapper/123:06:161
3980184996763,2cyclictest0-21swapper/123:06:151
3980184996742,22cyclictest4124959-21kworker/1:123:30:131
3980184996460,2cyclictest4032640-21switchtime21:25:201
398018499630,2cyclictest0-21swapper/122:10:001
398018499630,1cyclictest0-21swapper/119:55:301
3980184996243,17cyclictest4186036-21kworker/1:200:25:161
398018499620,61cyclictest0-21swapper/119:22:151
398018499620,60cyclictest0-21swapper/121:03:221
3980184996140,19cyclictest1435208-1kworker/1:1H00:35:001
3980184996042,17cyclictest3983656-21kworker/1:119:45:011
3980184996039,20cyclictest4158308-21kworker/1:200:02:411
3980184995944,14cyclictest4124959-21kworker/1:123:25:141
3980184995944,14cyclictest3996496-21kworker/1:020:05:141
3980184995942,16cyclictest4075389-21kworker/1:022:48:471
3980184995942,16cyclictest4044124-21kworker/1:321:40:101
3980184995940,17cyclictest4054364-21kworker/1:121:55:141
398018499591,56cyclictest4130792-21fschecks_count23:20:141
3980184995844,14cyclictest4012568-21kworker/1:320:50:231
3980184995843,15cyclictest4002682-21kworker/1:020:21:211
3980184995843,14cyclictest4149300-21kworker/1:023:47:311
3980184995843,14cyclictest4102161-21kworker/1:122:50:171
3980184995843,14cyclictest4011941-21kworker/1:120:57:051
3980184995843,14cyclictest4002682-21kworker/1:020:42:111
3980184995843,14cyclictest1435208-1kworker/1:1H00:17:061
3980184995842,15cyclictest3980034-21kworker/1:219:15:131
3980184995841,16cyclictest4124959-21kworker/1:123:40:151
3980184995841,16cyclictest4083727-21kworker/1:322:27:181
3980184995841,16cyclictest4002682-21kworker/1:020:45:141
3980184995839,18cyclictest4028751-21kworker/1:221:40:001
3980184995753,2cyclictest0-21swapper/120:12:321
3980184995743,14cyclictest4083727-21kworker/1:322:32:451
3980184995742,14cyclictest4124959-21kworker/1:123:16:171
3980184995742,14cyclictest4124959-21kworker/1:123:16:171
3980184995742,14cyclictest3996496-21kworker/1:020:01:451
3980184995741,15cyclictest4115817-21kworker/1:023:10:151
3980184995741,15cyclictest4115817-21kworker/1:023:10:141
3980184995741,15cyclictest4093164-21kworker/1:122:40:131
3980184995740,16cyclictest4002682-21kworker/1:020:35:171
3980184995739,17cyclictest1435208-1kworker/1:1H21:16:081
3980184995737,18cyclictest4167669-21kworker/1:100:10:131
3980184995642,14cyclictest4167669-21kworker/1:100:05:271
3980184995642,14cyclictest4044124-21kworker/1:321:50:111
3980184995642,14cyclictest4018187-21kworker/1:321:10:131
3980184995641,14cyclictest4075389-21kworker/1:022:35:021
3980184995641,14cyclictest4075389-21kworker/1:022:20:151
3980184995641,14cyclictest4022931-21kworker/1:021:24:461
3980184995641,14cyclictest3988439-21kworker/1:019:39:201
3980184995640,15cyclictest4158308-21kworker/1:223:59:191
3980184995640,15cyclictest4140352-21kworker/1:023:35:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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