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2026-04-03 - 21:07
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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
Characteristics of the 100 highest latencies:
System rack6slot0.osadl.org (updated Fri Apr 03, 2026 13:02:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3105199249245,3cyclictest0-21swapper/808:15:1838
3106599229221,4cyclictest2459-21CPU13
3106599229221,4cyclictest2459-21CPU13
3108499209197,6cyclictest0-21swapper/3608:45:0130
3108499209197,6cyclictest0-21swapper/3608:45:0130
3108899205178,17cyclictest2456-21CPU33
3108899205178,17cyclictest2456-21CPU33
3106099204196,6cyclictest0-21swapper/1610:45:218
3106099204196,6cyclictest0-21swapper/1610:45:218
3106099204196,6cyclictest0-21swapper/1610:45:218
3104499204184,5cyclictest0-21swapper/210:21:0412
3104499204184,5cyclictest0-21swapper/210:21:0412
3104499204184,5cyclictest0-21swapper/210:21:0412
3108499202195,5cyclictest0-21swapper/3608:45:1930
3108499202195,5cyclictest0-21swapper/3608:45:1830
3107399202197,3cyclictest0-21swapper/2607:55:0319
3107399202197,3cyclictest0-21swapper/2607:55:0319
3104199201171,14cyclictest0-21swapper/011:52:410
3104199201171,14cyclictest0-21swapper/011:52:410
3104199201171,14cyclictest0-21swapper/011:52:410
3104199201171,14cyclictest0-21swapper/011:52:410
3107599200179,16cyclictest1442-21gdbus10:39:5621
3107599200179,16cyclictest1442-21gdbus10:39:5621
3108899197185,10cyclictest0-21swapper/3907:21:3333
3108899197185,10cyclictest0-21swapper/3907:21:3333
3107799197163,13cyclictest0-21swapper/3011:53:5924
3107799197163,13cyclictest0-21swapper/3011:53:5924
3107799197163,13cyclictest0-21swapper/3011:53:5924
3107799197163,13cyclictest0-21swapper/3011:53:5924
3107799197157,24cyclictest0-21swapper/3011:55:4124
3107799197157,24cyclictest0-21swapper/3011:55:4024
3107799197157,24cyclictest0-21swapper/3011:55:4024
3108899195184,9cyclictest0-21swapper/3912:23:2133
3108899195184,9cyclictest0-21swapper/3912:23:2133
3107799195184,3cyclictest171rcu_preempt10:16:4024
3107799195184,3cyclictest171rcu_preempt10:16:4024
3108299194171,8cyclictest171rcu_preempt12:38:4128
3108299194171,8cyclictest171rcu_preempt12:38:4128
3108299194171,8cyclictest171rcu_preempt12:38:4128
3104899194187,3cyclictest0-21swapper/510:40:0035
3104899194187,3cyclictest0-21swapper/510:40:0035
3108899193187,3cyclictest37355-21CPU33
3108899193187,3cyclictest37355-21CPU33
3108899193182,6cyclictest0-21swapper/3908:21:4233
3108899193175,14cyclictest0-21swapper/3908:05:0133
3108899193175,14cyclictest0-21swapper/3908:05:0133
3108299193186,5cyclictest0-21swapper/3410:19:5628
3108299193186,5cyclictest0-21swapper/3410:19:5628
3107799191186,4cyclictest0-21swapper/3008:48:3624
3107799191186,4cyclictest0-21swapper/3008:48:3624
3107599191176,7cyclictest171rcu_preempt11:25:4921
3107599191176,7cyclictest171rcu_preempt11:25:4821
3107599191176,7cyclictest171rcu_preempt11:25:4821
3106999191185,3cyclictest0-21swapper/2210:30:1615
3106999191185,3cyclictest0-21swapper/2210:30:1615
3106099191168,13cyclictest3547-21CPU8
3106099191168,13cyclictest3547-21CPU8
3106099191168,13cyclictest3547-21CPU8
3107399190166,22cyclictest0-21swapper/2612:11:2519
3107399190166,22cyclictest0-21swapper/2612:11:2519
3107399190166,22cyclictest0-21swapper/2612:11:2519
3106099189179,7cyclictest0-21swapper/1612:12:558
3106099189179,7cyclictest0-21swapper/1612:12:548
3106099189179,7cyclictest0-21swapper/1612:12:548
3104399189182,5cyclictest17478-21nfsd09:25:131
3104399189182,5cyclictest17478-21nfsd09:25:131
3104399189182,5cyclictest17478-21nfsd09:25:131
3108899188177,9cyclictest0-21swapper/3907:56:2833
3108899188177,9cyclictest0-21swapper/3907:56:2833
3108899187181,4cyclictest0-21swapper/3908:15:0133
3108899187181,4cyclictest0-21swapper/3908:15:0133
3108899187180,4cyclictest0-21swapper/3908:20:0133
3108499187165,16cyclictest0-21swapper/3611:02:0930
3108499187165,16cyclictest0-21swapper/3611:02:0830
3107299187175,10cyclictest0-21swapper/2510:18:3718
3107299187175,10cyclictest0-21swapper/2510:18:3718
3106199187174,10cyclictest0-21swapper/1710:53:419
3106199187174,10cyclictest0-21swapper/1710:53:419
3106199187174,10cyclictest0-21swapper/1710:53:419
3107899186180,4cyclictest0-21swapper/3109:25:1625
3107899186180,4cyclictest0-21swapper/3109:25:1625
3107899186180,4cyclictest0-21swapper/3109:25:1625
3107799186162,15cyclictest0-21swapper/3012:24:1324
3107799186162,15cyclictest0-21swapper/3012:24:1324
3107399186182,2cyclictest0-21swapper/2611:46:2019
3107399186182,2cyclictest0-21swapper/2611:46:2019
3107399186182,2cyclictest0-21swapper/2611:46:2019
3107299186154,15cyclictest0-21swapper/2509:59:1818
3107299186154,15cyclictest0-21swapper/2509:59:1818
3106799186166,11cyclictest171rcu_preempt11:47:5714
3106799186166,11cyclictest171rcu_preempt11:47:5714
3106799186166,11cyclictest171rcu_preempt11:47:5714
3104499186171,7cyclictest171rcu_preempt10:37:1412
3104499186171,7cyclictest171rcu_preempt10:37:1412
3108899185179,4cyclictest0-21swapper/3907:25:3833
3108899185179,4cyclictest0-21swapper/3907:25:3833
3107799185144,17cyclictest0-21swapper/3011:35:4224
3107799185144,17cyclictest0-21swapper/3011:35:4224
3107799185140,26cyclictest0-21swapper/3011:26:4024
3107799185140,26cyclictest0-21swapper/3011:26:4024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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