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2026-05-21 - 16:28
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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 21, 2026 13:03:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3679999198188,6cyclictest0-21swapper/208:45:4312
3679999198188,6cyclictest0-21swapper/208:45:4312
3681699194184,9cyclictest0-21swapper/1412:24:146
3681699194184,9cyclictest0-21swapper/1412:24:146
3681699194184,9cyclictest0-21swapper/1412:24:136
3682999189182,5cyclictest372-21kswapd009:20:2219
3682999189182,5cyclictest372-21kswapd009:20:2219
3680799188113,40cyclictest0-21swapper/809:45:5138
3680799188113,40cyclictest0-21swapper/809:45:5138
3682299187179,6cyclictest0-21swapper/2010:07:2613
3682299187179,6cyclictest0-21swapper/2010:07:2613
3682299187179,6cyclictest0-21swapper/2010:07:2613
3684299186171,11cyclictest0-21swapper/3609:30:5530
3684299186171,11cyclictest0-21swapper/3609:30:5530
3679999185177,6cyclictest0-21swapper/209:18:5012
3679999185177,6cyclictest0-21swapper/209:18:5012
3679999185177,6cyclictest0-21swapper/209:18:5012
3679999185170,13cyclictest0-21swapper/212:26:5312
3679999185170,13cyclictest0-21swapper/212:26:5212
3679999185170,10cyclictest0-21swapper/209:36:4212
3679999185170,10cyclictest0-21swapper/209:36:4212
3680299184176,6cyclictest0-21swapper/511:02:0035
3680299184176,6cyclictest0-21swapper/511:01:5935
3680299184160,18cyclictest0-21swapper/510:17:1435
3680299184160,18cyclictest0-21swapper/510:17:1435
3680299184160,18cyclictest0-21swapper/510:17:1435
3683999183170,10cyclictest0-21swapper/3310:16:1927
3683999183170,10cyclictest0-21swapper/3310:16:1927
3683999183170,10cyclictest0-21swapper/3310:16:1827
3679999182178,2cyclictest0-21swapper/211:38:3212
3679999182178,2cyclictest0-21swapper/211:38:3212
3679999182178,2cyclictest0-21swapper/211:38:3112
3679999181142,34cyclictest3541-21CPU12
3679999181142,34cyclictest3541-21CPU12
3682299178175,2cyclictest0-21swapper/2010:36:3313
3682299178175,2cyclictest0-21swapper/2010:36:3313
3682299178175,2cyclictest0-21swapper/2010:36:3213
3681699178161,14cyclictest0-21swapper/1412:36:446
3681699178161,14cyclictest0-21swapper/1412:36:446
3681699178161,14cyclictest0-21swapper/1412:36:436
3680799178125,42cyclictest0-21swapper/810:56:1738
3680799178125,42cyclictest0-21swapper/810:56:1738
3680799178125,42cyclictest0-21swapper/810:56:1638
3680099178167,7cyclictest0-21swapper/308:25:0623
3680099178167,7cyclictest0-21swapper/308:25:0623
3679999178165,5cyclictest0-21swapper/211:51:2012
3679999178165,5cyclictest0-21swapper/211:51:2012
3679999178165,5cyclictest0-21swapper/211:51:1912
3679999178117,40cyclictest2461-21CPU12
3679999178117,40cyclictest2461-21CPU12
3682299177154,11cyclictest0-21swapper/2010:40:2813
3682299177154,11cyclictest0-21swapper/2010:40:2813
3682299177115,57cyclictest37352-21CPU13
3682299177115,57cyclictest37352-21CPU13
3682299177115,57cyclictest37352-21CPU13
3680099177160,7cyclictest0-21swapper/312:26:2823
3680099177160,7cyclictest0-21swapper/312:26:2823
3683999176165,9cyclictest0-21swapper/3309:30:5027
3683999176165,9cyclictest0-21swapper/3309:30:5027
3681699176158,9cyclictest0-21swapper/1411:24:036
3681699176158,9cyclictest0-21swapper/1411:24:036
3679999176114,20cyclictest0-21swapper/211:49:3512
3679999176114,20cyclictest0-21swapper/211:49:3512
3679999175162,8cyclictest0-21swapper/210:29:5312
3679999175162,8cyclictest0-21swapper/210:29:5312
3679999175162,8cyclictest0-21swapper/210:29:5312
3680299174170,2cyclictest0-21swapper/510:53:5835
3680299174170,2cyclictest0-21swapper/510:53:5835
3680299174170,2cyclictest0-21swapper/510:53:5835
3679999174164,8cyclictest0-21swapper/211:30:2912
3679999174164,8cyclictest0-21swapper/211:30:2912
3683999173154,4cyclictest373-21kswapd110:29:5827
3683999173154,4cyclictest373-21kswapd110:29:5827
3683999173154,4cyclictest373-21kswapd110:29:5827
3682899173170,2cyclictest0-21swapper/2509:55:1418
3682899173170,2cyclictest0-21swapper/2509:55:1318
3681699173165,7cyclictest0-21swapper/1411:54:006
3681699173165,7cyclictest0-21swapper/1411:53:596
3681699173165,7cyclictest0-21swapper/1411:53:596
3682299172163,4cyclictest0-21swapper/2010:47:5913
3682299172163,4cyclictest0-21swapper/2010:47:5913
3682299172163,4cyclictest0-21swapper/2010:47:5913
3682299172153,12cyclictest171rcu_preempt09:45:3213
3682299172153,12cyclictest171rcu_preempt09:45:3213
3681699172151,9cyclictest0-21swapper/1409:55:056
3681699172151,9cyclictest0-21swapper/1409:55:056
3681699172151,9cyclictest0-21swapper/1409:55:046
3679999172151,3cyclictest0-21swapper/212:21:5712
3679999172151,3cyclictest0-21swapper/212:21:5712
3679999172151,3cyclictest0-21swapper/212:21:5712
3683999171155,8cyclictest0-21swapper/3311:59:1527
3683999171155,8cyclictest0-21swapper/3311:59:1527
3683999171155,8cyclictest0-21swapper/3311:59:1527
3683799171156,8cyclictest0-21swapper/3112:40:0625
3683799171156,8cyclictest0-21swapper/3112:40:0625
3683799171156,8cyclictest0-21swapper/3112:40:0525
3682299171153,11cyclictest0-21swapper/2010:29:5313
3682299171153,11cyclictest0-21swapper/2010:29:5313
3682299171153,11cyclictest0-21swapper/2010:29:5213
3682299171123,29cyclictest0-21swapper/2012:26:1913
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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