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2026-07-07 - 13:50
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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 Tue Jul 07, 2026 01:01:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1604299213188,18cyclictest0-21swapper/1422:40:486
1604299213188,18cyclictest0-21swapper/1422:40:486
1604299213188,18cyclictest0-21swapper/1422:40:476
1606499200186,13cyclictest0-21swapper/3200:37:3526
1606499200186,13cyclictest0-21swapper/3200:37:3526
1606499200186,13cyclictest0-21swapper/3200:37:3526
1605699194132,31cyclictest0-21swapper/2519:45:4618
1605699194132,31cyclictest0-21swapper/2519:45:4518
1605799190152,34cyclictest4407-21CPU19
1605799190152,34cyclictest4407-21CPU19
1605699189172,11cyclictest0-21swapper/2523:17:2818
1605699189172,11cyclictest0-21swapper/2523:17:2818
1605499189174,13cyclictest0-21swapper/2321:35:5416
1605499189174,13cyclictest0-21swapper/2321:35:5416
1605499187110,54cyclictest3610-21CPU16
1605499187110,54cyclictest3610-21CPU16
1605799185172,11cyclictest0-21swapper/2621:15:3719
1605799185172,11cyclictest0-21swapper/2621:15:3719
1607099183140,40cyclictest0-21swapper/3722:07:0831
1607099183140,40cyclictest0-21swapper/3722:07:0731
1606299183108,71cyclictest0-21swapper/3022:21:0124
1606299183108,71cyclictest0-21swapper/3022:21:0124
1605799183176,5cyclictest0-21swapper/2622:06:2119
1605799183176,5cyclictest0-21swapper/2622:06:2119
1604199183132,46cyclictest0-21swapper/1323:34:005
1604199183132,46cyclictest0-21swapper/1323:34:005
1604199183132,46cyclictest0-21swapper/1323:34:005
1603999183176,5cyclictest0-21swapper/1119:51:323
1603999183176,5cyclictest0-21swapper/1119:51:313
1606499182172,6cyclictest0-21swapper/3223:44:2426
1606499182172,6cyclictest0-21swapper/3223:44:2426
1606499182172,6cyclictest0-21swapper/3223:44:2426
1605799182165,14cyclictest0-21swapper/2620:40:1819
1605799182165,14cyclictest0-21swapper/2620:40:1719
1605499182124,54cyclictest3546-21CPU16
1605499182124,54cyclictest3546-21CPU16
16041991821,11cyclictest2459-21CPU5
16041991821,11cyclictest2459-21CPU5
160649918183,82cyclictest4407-21CPU26
160649918183,82cyclictest4407-21CPU26
1605799181175,4cyclictest0-21swapper/2621:10:2119
1605799181175,4cyclictest0-21swapper/2621:10:2119
1605799181170,5cyclictest0-21swapper/2622:00:5219
1605799181170,5cyclictest0-21swapper/2622:00:5219
1605799181166,12cyclictest0-21swapper/2620:00:0719
1605799181166,12cyclictest0-21swapper/2620:00:0719
1604299181117,50cyclictest2454-21CPU6
1604299181117,50cyclictest2454-21CPU6
1604299181117,50cyclictest2454-21CPU6
1605799180160,14cyclictest0-21swapper/2622:31:3619
1605799180160,14cyclictest0-21swapper/2622:31:3519
1604299180168,7cyclictest0-21swapper/1423:51:026
1604299180168,7cyclictest0-21swapper/1423:51:016
1605799179156,16cyclictest0-21swapper/2620:10:1419
1605799179156,16cyclictest0-21swapper/2620:10:1419
16037991797,87cyclictest0-21swapper/1021:15:152
16037991797,87cyclictest0-21swapper/1021:15:142
1606499178164,4cyclictest0-21swapper/3221:40:2326
1606499178164,4cyclictest0-21swapper/3221:40:2326
1606499178159,16cyclictest2466-21CPU26
1606499178159,16cyclictest2466-21CPU26
1605499178162,9cyclictest171rcu_preempt00:31:5916
1605499178162,9cyclictest171rcu_preempt00:31:5816
1605799177166,4cyclictest3541-21CPU19
1605799177166,4cyclictest3541-21CPU19
1605799177166,4cyclictest3541-21CPU19
16070991761,121cyclictest0-21swapper/3721:16:2231
16070991761,121cyclictest0-21swapper/3721:16:2231
1606499176132,13cyclictest0-21swapper/3220:20:1026
1606499176132,13cyclictest0-21swapper/3220:20:1026
16062991761,95cyclictest0-21swapper/3023:36:0524
16062991761,95cyclictest0-21swapper/3023:36:0524
1605799176170,4cyclictest0-21swapper/2621:21:0019
1605799176170,4cyclictest0-21swapper/2621:20:5919
1605799176168,6cyclictest0-21swapper/2621:35:2019
1605799176168,6cyclictest0-21swapper/2621:35:2019
1605599176148,13cyclictest0-21swapper/2400:40:0017
1605599176148,13cyclictest0-21swapper/2400:39:5917
1605599176148,13cyclictest0-21swapper/2400:39:5917
1605499176106,56cyclictest3544-21CPU16
1605499176106,56cyclictest3544-21CPU16
1604299176165,9cyclictest0-21swapper/1422:06:406
1604299176165,9cyclictest0-21swapper/1422:06:396
1605799175167,6cyclictest0-21swapper/2621:30:1819
1605799175167,6cyclictest0-21swapper/2621:30:1819
1605799175167,6cyclictest0-21swapper/2621:30:1819
1605799175126,38cyclictest0-21swapper/2623:34:0619
1605799175126,38cyclictest0-21swapper/2623:34:0619
1605799175126,38cyclictest0-21swapper/2623:34:0619
1605699175113,58cyclictest4407-21CPU18
1605699175113,58cyclictest4407-21CPU18
1604599175163,4cyclictest0-21swapper/1620:10:358
1604599175163,4cyclictest0-21swapper/1620:10:358
160399917595,71cyclictest4407-21CPU3
160399917595,71cyclictest4407-21CPU3
160399917595,71cyclictest4407-21CPU3
1603999175157,12cyclictest171rcu_preempt20:20:303
1603999175157,12cyclictest171rcu_preempt20:20:303
1603699175166,6cyclictest0-21swapper/922:33:0639
1603699175166,6cyclictest0-21swapper/922:33:0639
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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