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2026-05-14 - 17:06
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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 Thu May 14, 2026 13:02:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3422099191186,3cyclictest0-21swapper/1809:00:2210
3422099191186,3cyclictest0-21swapper/1809:00:2110
3423099183157,15cyclictest0-21swapper/2611:39:3419
3423099183157,15cyclictest0-21swapper/2611:39:3419
3423099183157,15cyclictest0-21swapper/2611:39:3319
3419999183119,13cyclictest171rcu_preempt10:29:081
3419999183119,13cyclictest171rcu_preempt10:29:081
3419999183119,13cyclictest171rcu_preempt10:29:071
3423099181134,16cyclictest171rcu_preempt08:37:4019
3423099181134,16cyclictest171rcu_preempt08:37:4019
3424199179169,8cyclictest0-21swapper/3710:43:0831
3424199179169,8cyclictest0-21swapper/3710:43:0831
3421499179164,12cyclictest0-21swapper/1310:43:085
3421499179164,12cyclictest0-21swapper/1310:43:085
3420199179173,3cyclictest0-21swapper/209:17:0512
3420199179173,3cyclictest0-21swapper/209:17:0412
3421399176141,30cyclictest0-21swapper/1209:40:064
3421399176141,30cyclictest0-21swapper/1209:40:054
3423099175159,8cyclictest0-21swapper/2609:03:0919
3423099175159,8cyclictest0-21swapper/2609:03:0919
342139917596,65cyclictest0-21swapper/1210:20:154
342139917596,65cyclictest0-21swapper/1210:20:144
342139917596,65cyclictest0-21swapper/1210:20:144
3419999175162,9cyclictest0-21swapper/110:23:151
3419999175162,9cyclictest0-21swapper/110:23:151
3419999175162,9cyclictest0-21swapper/110:23:141
3421499174161,11cyclictest0-21swapper/1310:53:275
3421499174161,11cyclictest0-21swapper/1310:53:275
3419899173122,31cyclictest0-21swapper/009:51:510
3419899173122,31cyclictest0-21swapper/009:51:500
3419999172116,34cyclictest4408-21CPU1
3419999172116,34cyclictest4408-21CPU1
3421499171152,13cyclictest0-21swapper/1309:32:405
3421499171152,13cyclictest0-21swapper/1309:32:405
3421499171152,13cyclictest0-21swapper/1309:32:395
3421499171137,16cyclictest171rcu_preempt11:25:445
3421499171137,16cyclictest171rcu_preempt11:25:445
3421499171137,16cyclictest171rcu_preempt11:25:435
3420299171121,45cyclictest0-21swapper/311:03:3823
3420299171121,45cyclictest0-21swapper/311:03:3823
3419999171160,5cyclictest0-21swapper/109:31:321
3419999171160,5cyclictest0-21swapper/109:31:321
3419999171160,5cyclictest0-21swapper/109:31:311
3423099169148,9cyclictest0-21swapper/2611:30:4619
3423099169148,9cyclictest0-21swapper/2611:30:4519
3423099169148,9cyclictest0-21swapper/2611:30:4519
3420299169142,24cyclictest0-21swapper/311:42:3423
3420299169142,24cyclictest0-21swapper/311:42:3323
3423099168115,23cyclictest0-21swapper/2608:01:1719
3423099168115,23cyclictest0-21swapper/2608:01:1719
3419999168140,10cyclictest171rcu_preempt10:09:051
3419999168140,10cyclictest171rcu_preempt10:09:041
3424199167155,8cyclictest0-21swapper/3710:37:5531
3424199167155,8cyclictest0-21swapper/3710:37:5531
3424199167155,8cyclictest0-21swapper/3710:37:5431
3423399167156,9cyclictest0-21swapper/2911:29:3822
3423399167156,9cyclictest0-21swapper/2911:29:3822
3423399167156,9cyclictest0-21swapper/2911:29:3822
3423099167132,14cyclictest171rcu_preempt11:29:1419
3423099167132,14cyclictest171rcu_preempt11:29:1419
3423099167132,14cyclictest171rcu_preempt11:29:1319
3421499167143,10cyclictest0-21swapper/1310:24:425
3421499167143,10cyclictest0-21swapper/1310:24:415
3421499167143,10cyclictest0-21swapper/1310:24:415
3420199167114,9cyclictest0-21swapper/210:17:0812
3420199167114,9cyclictest0-21swapper/210:17:0812
3420199167114,9cyclictest0-21swapper/210:17:0812
3419999167131,13cyclictest171rcu_preempt11:35:551
3419999167131,13cyclictest171rcu_preempt11:35:541
3419999167131,13cyclictest171rcu_preempt11:35:541
3419899167125,40cyclictest0-21swapper/011:32:190
3419899167125,40cyclictest0-21swapper/011:32:190
3419899167125,40cyclictest0-21swapper/011:32:190
342309916681,66cyclictest37352-21CPU19
342309916681,66cyclictest37352-21CPU19
3423099166157,7cyclictest0-21swapper/2611:22:5019
3423099166157,7cyclictest0-21swapper/2611:22:4919
3423099166157,7cyclictest0-21swapper/2611:22:4919
3420199166155,6cyclictest0-21swapper/212:31:2012
3420199166155,6cyclictest0-21swapper/212:31:1912
3419999166108,27cyclictest0-21swapper/110:45:421
3419999166108,27cyclictest0-21swapper/110:45:421
3423099165151,11cyclictest0-21swapper/2609:14:5519
3423099165151,11cyclictest0-21swapper/2609:14:5519
3423099165151,11cyclictest0-21swapper/2609:14:5419
3422399165156,6cyclictest0-21swapper/2108:15:0114
3422399165156,6cyclictest0-21swapper/2108:15:0014
3420199165153,11cyclictest0-21swapper/210:52:5212
3420199165153,11cyclictest0-21swapper/210:52:5212
3420199165149,11cyclictest0-21swapper/211:07:3212
3420199165149,11cyclictest0-21swapper/211:07:3112
341999916469,71cyclictest0-21swapper/110:10:211
341999916469,71cyclictest0-21swapper/110:10:211
341999916469,71cyclictest0-21swapper/110:10:201
3419999164149,7cyclictest0-21swapper/110:02:191
3419999164149,7cyclictest0-21swapper/110:02:191
3421499163150,9cyclictest0-21swapper/1309:25:535
3421499163150,9cyclictest0-21swapper/1309:25:535
3421399163123,28cyclictest0-21swapper/1209:14:594
3421399163123,28cyclictest0-21swapper/1209:14:584
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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