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2026-03-10 - 19:05
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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 Mar 10, 2026 13:03:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2087599213204,3cyclictest0-21swapper/410:14:2334
2087599213204,3cyclictest0-21swapper/410:14:2334
2087599213204,3cyclictest0-21swapper/410:14:2334
2089899197182,11cyclictest0-21swapper/2309:39:2316
2089899197182,11cyclictest0-21swapper/2309:39:2316
2088399197190,6cyclictest0-21swapper/1107:18:243
2088399197190,6cyclictest0-21swapper/1107:18:243
2088399197185,8cyclictest4408-21CPU3
2088399197185,8cyclictest4408-21CPU3
2087599196188,6cyclictest0-21swapper/409:47:4334
2087599196188,6cyclictest0-21swapper/409:47:4334
2087599196188,6cyclictest0-21swapper/409:47:4334
2088399195186,7cyclictest0-21swapper/1112:29:153
2088399195186,7cyclictest0-21swapper/1112:29:143
2087699194177,13cyclictest0-21swapper/510:55:2035
2087699194177,13cyclictest0-21swapper/510:55:2035
2087699194177,13cyclictest0-21swapper/510:55:2035
2088399193186,5cyclictest1430-21polkitd12:25:033
2088399193186,5cyclictest1430-21polkitd12:25:033
2088399193183,8cyclictest0-21swapper/1112:34:543
2088399193183,8cyclictest0-21swapper/1112:34:543
2087699191175,14cyclictest0-21swapper/507:55:1835
2087699191175,14cyclictest0-21swapper/507:55:1735
2087699189176,12cyclictest0-21swapper/511:10:5635
2087699189176,12cyclictest0-21swapper/511:10:5635
2087699188182,4cyclictest0-21swapper/508:50:1335
2087699188182,4cyclictest0-21swapper/508:50:1335
2088399186180,4cyclictest0-21swapper/1112:36:153
2088399186180,4cyclictest0-21swapper/1112:36:153
2088399186180,4cyclictest0-21swapper/1112:36:153
2088399186170,13cyclictest0-21swapper/1109:49:433
2088399186170,13cyclictest0-21swapper/1109:49:433
2088399186170,13cyclictest0-21swapper/1109:49:433
2091099185167,10cyclictest0-21swapper/3511:17:4829
2091099185167,10cyclictest0-21swapper/3511:17:4829
2091099185167,10cyclictest0-21swapper/3511:17:4729
2087699184108,71cyclictest2456-21CPU35
2087699184108,71cyclictest2456-21CPU35
2088899183170,5cyclictest0-21swapper/1509:42:287
2088899183170,5cyclictest0-21swapper/1509:42:287
2087399183171,4cyclictest0-21swapper/211:45:2112
2087399183171,4cyclictest0-21swapper/211:45:2112
2087399183171,4cyclictest0-21swapper/211:45:2112
2087399183159,7cyclictest0-21swapper/210:41:2912
2087399183159,7cyclictest0-21swapper/210:41:2912
2087399183159,7cyclictest0-21swapper/210:41:2912
2087699182149,31cyclictest0-21swapper/511:19:0235
2087699182149,31cyclictest0-21swapper/511:19:0235
2087699182149,31cyclictest0-21swapper/511:19:0135
2091099181171,7cyclictest18034-21kworker/u82:1-writeback09:19:0329
2091099181171,7cyclictest18034-21kworker/u82:1-writeback09:19:0329
2087499181177,2cyclictest0-21swapper/309:31:0923
2087499181177,2cyclictest0-21swapper/309:31:0923
2087499181177,2cyclictest0-21swapper/309:31:0923
2088399180124,24cyclictest0-21swapper/1111:05:103
2088399180124,24cyclictest0-21swapper/1111:05:103
2090799179175,2cyclictest0-21swapper/3212:10:1526
2090799179175,2cyclictest0-21swapper/3212:10:1526
2087699179172,5cyclictest0-21swapper/509:59:1935
2087699179172,5cyclictest0-21swapper/509:59:1935
2087699179172,5cyclictest0-21swapper/509:59:1835
2087599179164,13cyclictest0-21swapper/411:17:5534
2087599179164,13cyclictest0-21swapper/411:17:5534
2087599179164,13cyclictest0-21swapper/411:17:5434
2089799178144,31cyclictest3547-21CPU15
2089799178144,31cyclictest3547-21CPU15
2088399178173,4cyclictest0-21swapper/1107:14:543
2087699178172,4cyclictest0-21swapper/510:05:1635
2087699178172,4cyclictest0-21swapper/510:05:1635
2087699178172,4cyclictest0-21swapper/510:05:1535
2087599176171,4cyclictest0-21swapper/409:11:4034
2087599176171,4cyclictest0-21swapper/409:11:4034
2087599176117,34cyclictest0-21swapper/408:05:4034
2091299175170,4cyclictest0-21swapper/3609:31:5130
2091299175170,4cyclictest0-21swapper/3609:31:5130
2091299175170,4cyclictest0-21swapper/3609:31:5030
2088899175164,7cyclictest3548-21CPU7
2088899175164,7cyclictest3548-21CPU7
2088899175164,7cyclictest3548-21CPU7
2088399175145,27cyclictest0-21swapper/1108:06:253
2087699175168,5cyclictest0-21swapper/509:51:2735
2087699175168,5cyclictest0-21swapper/509:51:2735
2087699174170,3cyclictest142250irq/44-eno1-TxRx-210:03:4835
2087699174170,3cyclictest142250irq/44-eno1-TxRx-210:03:4835
2087699174170,3cyclictest142250irq/44-eno1-TxRx-210:03:4835
2087599174162,8cyclictest0-21swapper/410:31:3234
2087599174162,8cyclictest0-21swapper/410:31:3134
2087599174158,11cyclictest171rcu_preempt11:02:4734
2087599174158,11cyclictest171rcu_preempt11:02:4634
2087699173161,9cyclictest0-21swapper/512:01:2735
2087699173161,9cyclictest0-21swapper/512:01:2735
2087699173161,9cyclictest0-21swapper/512:01:2735
2087599173169,2cyclictest0-21swapper/411:14:4034
2087599173169,2cyclictest0-21swapper/411:14:4034
2087599173165,4cyclictest0-21swapper/408:20:3034
2087599173165,4cyclictest0-21swapper/408:20:3034
2087599173161,10cyclictest0-21swapper/412:08:0734
2087599173161,10cyclictest0-21swapper/412:08:0734
2087599173150,17cyclictest0-21swapper/409:24:5434
2087599173150,17cyclictest0-21swapper/409:24:5434
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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