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2026-08-18 - 00:58
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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 17, 2026 13:02:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3724199200193,5cyclictest0-21swapper/911:36:2339
3724199200193,5cyclictest0-21swapper/911:36:2239
3724199200191,5cyclictest2456-21CPU39
3724199200191,5cyclictest2456-21CPU39
3724199200191,5cyclictest2456-21CPU39
3724199196186,7cyclictest0-21swapper/911:02:0439
3724199196186,7cyclictest0-21swapper/911:02:0439
3723499194114,57cyclictest4408-21CPU34
3723499194114,57cyclictest4408-21CPU34
3724199193186,5cyclictest0-21swapper/909:30:2839
3724199193186,5cyclictest0-21swapper/909:30:2839
3729399192180,8cyclictest0-21swapper/3910:10:1033
3729399192180,8cyclictest0-21swapper/3910:10:1033
3729399192180,8cyclictest0-21swapper/3910:10:0933
3724199191183,6cyclictest0-21swapper/911:40:3739
3724199191183,6cyclictest0-21swapper/911:40:3739
3724199191183,6cyclictest0-21swapper/911:40:3639
3724199191182,8cyclictest0-21swapper/909:12:5439
3724199191182,8cyclictest0-21swapper/909:12:5439
3723499191173,8cyclictest171rcu_preempt11:10:2634
3723499191173,8cyclictest171rcu_preempt11:10:2634
3723499191173,8cyclictest171rcu_preempt11:10:2534
3724199190182,6cyclictest0-21swapper/909:37:1739
3724199190182,6cyclictest0-21swapper/909:37:1739
3724199188179,7cyclictest0-21swapper/909:46:3939
3724199188179,7cyclictest0-21swapper/909:46:3939
3723399188181,5cyclictest0-21swapper/311:32:5323
3723399188181,5cyclictest0-21swapper/311:32:5323
3724899187181,4cyclictest0-21swapper/1312:07:455
3724899187181,4cyclictest0-21swapper/1312:07:445
3724899187181,4cyclictest0-21swapper/1312:07:445
3724199187170,9cyclictest0-21swapper/909:23:0339
3724199187170,9cyclictest0-21swapper/909:23:0339
3724199186180,4cyclictest0-21swapper/909:52:2539
3724199186180,4cyclictest0-21swapper/909:52:2439
3724199185180,4cyclictest0-21swapper/911:16:3139
3724199185180,4cyclictest0-21swapper/911:16:3039
3724199185178,4cyclictest0-21swapper/911:12:5339
3724199185178,4cyclictest0-21swapper/911:12:5339
3724199185178,4cyclictest0-21swapper/911:12:5239
3724199184178,4cyclictest0-21swapper/908:46:1439
3724199184178,4cyclictest0-21swapper/908:46:1339
3729399183171,10cyclictest0-21swapper/3912:04:5533
3729399183171,10cyclictest0-21swapper/3912:04:5433
3729399183171,10cyclictest0-21swapper/3912:04:5433
3724899183176,4cyclictest0-21swapper/1310:21:455
3724899183176,4cyclictest0-21swapper/1310:21:455
3724899183176,4cyclictest0-21swapper/1310:21:445
3724199183177,4cyclictest0-21swapper/911:06:5839
3724199183177,4cyclictest0-21swapper/911:06:5739
3728899182129,39cyclictest0-21swapper/3512:09:3629
3728899182129,39cyclictest0-21swapper/3512:09:3629
3728899182129,39cyclictest0-21swapper/3512:09:3529
3724899182172,8cyclictest0-21swapper/1310:31:535
3724899182172,8cyclictest0-21swapper/1310:31:525
3724199182173,4cyclictest142050irq/42-eno1-TxRx-011:32:1339
3724199182173,4cyclictest142050irq/42-eno1-TxRx-011:32:1239
3724199182172,7cyclictest0-21swapper/911:25:1039
3724199182172,7cyclictest0-21swapper/911:25:1039
3726299181126,29cyclictest0-21swapper/2110:51:1114
3726299181126,29cyclictest0-21swapper/2110:51:1014
3724199181172,7cyclictest0-21swapper/909:41:0339
3724199181172,7cyclictest0-21swapper/909:41:0239
3724199181170,6cyclictest0-21swapper/910:05:3039
3724199181170,6cyclictest0-21swapper/910:05:3039
3723499181129,22cyclictest0-21swapper/407:20:4334
3723499181129,22cyclictest0-21swapper/407:20:4234
3724899180165,9cyclictest0-21swapper/1312:01:215
3724899180165,9cyclictest0-21swapper/1312:01:215
3724899180165,9cyclictest0-21swapper/1312:01:205
3724199180174,4cyclictest0-21swapper/909:25:4439
3724199180174,4cyclictest0-21swapper/909:25:4339
3724199180171,4cyclictest0-21swapper/911:49:3239
3724199180171,4cyclictest0-21swapper/911:49:3239
3724199180171,4cyclictest0-21swapper/911:49:3139
3724199180162,16cyclictest0-21swapper/910:40:5939
3724199180162,16cyclictest0-21swapper/910:40:5939
3724199180153,19cyclictest0-21swapper/909:00:0239
3724199180153,19cyclictest0-21swapper/909:00:0239
3724199179173,3cyclictest40549-21sshd11:51:5439
3724199179173,3cyclictest40549-21sshd11:51:5339
3724199179164,13cyclictest0-21swapper/910:02:2039
3724199179164,13cyclictest0-21swapper/910:02:2039
3724199179164,13cyclictest0-21swapper/910:02:1939
3723499179165,10cyclictest0-21swapper/410:10:4134
3723499179165,10cyclictest0-21swapper/410:10:4134
3723499179165,10cyclictest0-21swapper/410:10:4134
3728399178121,43cyclictest0-21swapper/3010:11:0224
3728399178121,43cyclictest0-21swapper/3010:11:0224
3728399178121,43cyclictest0-21swapper/3010:11:0224
3726299178170,6cyclictest0-21swapper/2110:49:0814
3726299178170,6cyclictest0-21swapper/2110:49:0714
3723899178175,2cyclictest0-21swapper/710:50:3037
3723899178175,2cyclictest0-21swapper/710:50:2937
3723499178107,27cyclictest0-21swapper/411:52:1434
3723499178107,27cyclictest0-21swapper/411:52:1334
3729399177157,4cyclictest20593-21kworker/u82:2-events_unbound10:02:0633
3729399177157,4cyclictest20593-21kworker/u82:2-events_unbound10:02:0533
3729399177157,4cyclictest20593-21kworker/u82:2-events_unbound10:02:0533
3724199177172,4cyclictest0-21swapper/909:58:5839
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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