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2026-08-31 - 06:54
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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 Mon Aug 31, 2026 01:01:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3774999193138,52cyclictest37357-21CPU3
3774999193138,52cyclictest37357-21CPU3
3773899192176,13cyclictest0-21swapper/223:47:2712
3773899192176,13cyclictest0-21swapper/223:47:2712
3773899192163,13cyclictest0-21swapper/223:54:3212
3773899192163,13cyclictest0-21swapper/223:54:3212
3778199184175,7cyclictest0-21swapper/3922:44:1733
3778199184175,7cyclictest0-21swapper/3922:44:1733
3778199184173,9cyclictest0-21swapper/3921:34:0733
3778199184173,9cyclictest0-21swapper/3921:34:0733
3778199184157,9cyclictest0-21swapper/3920:39:0233
3778199184157,9cyclictest0-21swapper/3920:39:0133
3773899183175,5cyclictest0-21swapper/200:30:4512
3773899183175,5cyclictest0-21swapper/200:30:4412
377419918096,56cyclictest37356-21CPU34
377419918096,56cyclictest37356-21CPU34
377419918096,56cyclictest37356-21CPU34
3774199180166,12cyclictest0-21swapper/421:50:0734
3774199180166,12cyclictest0-21swapper/421:50:0734
3773699179131,11cyclictest0-21swapper/123:24:381
3773699179131,11cyclictest0-21swapper/123:24:371
3773599179126,37cyclictest0-21swapper/023:11:190
3773599179126,37cyclictest0-21swapper/023:11:190
3778199178165,12cyclictest0-21swapper/3921:18:3133
3778199178165,12cyclictest0-21swapper/3921:18:3133
3778199178165,12cyclictest0-21swapper/3921:18:3133
3774199178165,11cyclictest0-21swapper/423:14:0034
3774199178165,11cyclictest0-21swapper/423:14:0034
3773699178172,3cyclictest0-21swapper/122:52:161
3773699178172,3cyclictest0-21swapper/122:52:161
3774199177113,21cyclictest0-21swapper/423:24:1334
3774199177113,21cyclictest0-21swapper/423:24:1334
3773699177161,14cyclictest0-21swapper/119:20:381
3773699177161,14cyclictest0-21swapper/119:20:381
3774199176163,11cyclictest0-21swapper/420:00:3334
3774199176163,11cyclictest0-21swapper/420:00:3334
3773599176135,38cyclictest0-21swapper/000:01:560
3773599176135,38cyclictest0-21swapper/000:01:560
3775499175146,8cyclictest171rcu_preempt23:59:417
3775499175146,8cyclictest171rcu_preempt23:59:417
3775499175146,8cyclictest171rcu_preempt23:59:417
3773899175164,9cyclictest0-21swapper/221:05:2912
3773899175164,9cyclictest0-21swapper/221:05:2912
3774199174160,12cyclictest0-21swapper/421:57:3334
3774199174160,12cyclictest0-21swapper/421:57:3234
3774199173167,2cyclictest0-21swapper/422:33:3234
3774199173167,2cyclictest0-21swapper/422:33:3134
3774199173154,6cyclictest0-21swapper/422:58:0134
3774199173154,6cyclictest0-21swapper/422:58:0134
3773699173165,5cyclictest0-21swapper/100:23:591
3773699173165,5cyclictest0-21swapper/100:23:591
3773699173165,5cyclictest0-21swapper/100:23:591
3778199172166,3cyclictest0-21swapper/3922:19:3533
3778199172166,3cyclictest0-21swapper/3922:19:3533
3775299172149,6cyclictest0-21swapper/1400:11:256
3775299172149,6cyclictest0-21swapper/1400:11:256
3775299172149,6cyclictest0-21swapper/1400:11:256
3774199172161,9cyclictest0-21swapper/400:08:4834
3774199172161,9cyclictest0-21swapper/400:08:4834
3774199172161,9cyclictest0-21swapper/400:08:4834
3778199171155,14cyclictest0-21swapper/3919:39:2233
3778199171155,14cyclictest0-21swapper/3919:39:2133
3777499171140,15cyclictest171rcu_preempt23:38:5027
3777499171140,15cyclictest171rcu_preempt23:38:5027
3776099171135,27cyclictest0-21swapper/2123:47:0214
3776099171135,27cyclictest0-21swapper/2123:47:0114
3774199171160,7cyclictest0-21swapper/423:34:3634
3774199171160,7cyclictest0-21swapper/423:34:3534
3774199171132,17cyclictest0-21swapper/423:43:1934
3774199171132,17cyclictest0-21swapper/423:43:1934
3777499170158,10cyclictest0-21swapper/3300:21:0727
3777499170158,10cyclictest0-21swapper/3300:21:0727
3777499170158,10cyclictest0-21swapper/3300:21:0627
3774199170165,3cyclictest0-21swapper/421:12:3134
3774199170165,3cyclictest0-21swapper/421:12:3134
3773899170158,9cyclictest0-21swapper/219:10:3112
3773899170158,9cyclictest0-21swapper/219:10:3112
3773899170154,9cyclictest0-21swapper/223:29:2212
3773899170154,9cyclictest0-21swapper/223:29:2212
3773899170133,8cyclictest171rcu_preempt21:10:3112
3773899170133,8cyclictest171rcu_preempt21:10:3112
3773699170149,16cyclictest0-21swapper/100:13:121
3773699170149,16cyclictest0-21swapper/100:13:121
3773699170149,16cyclictest0-21swapper/100:13:121
3778199169146,7cyclictest0-21swapper/3921:05:0533
3778199169146,7cyclictest0-21swapper/3921:05:0533
3777499169113,24cyclictest0-21swapper/3322:35:4927
3777499169113,24cyclictest0-21swapper/3322:35:4927
377419916996,45cyclictest3544-21CPU34
377419916996,45cyclictest3544-21CPU34
3774199169131,12cyclictest171rcu_preempt22:51:5134
3774199169131,12cyclictest171rcu_preempt22:51:5134
3773699169158,9cyclictest0-21swapper/121:19:461
3773699169158,9cyclictest0-21swapper/121:19:461
3773699169158,9cyclictest0-21swapper/121:19:451
3773699169158,10cyclictest0-21swapper/122:39:551
3773699169158,10cyclictest0-21swapper/122:39:551
3773699169146,16cyclictest0-21swapper/121:23:091
3773699169146,16cyclictest0-21swapper/121:23:091
3777499168163,3cyclictest0-21swapper/3300:37:4927
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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