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2026-01-09 - 21:43
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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 Fri Jan 09, 2026 13:00:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2533699199164,17cyclictest0-21swapper/510:43:2535
2533699199164,17cyclictest0-21swapper/510:43:2535
2533699199164,17cyclictest0-21swapper/510:43:2435
2533699194147,27cyclictest0-21swapper/512:16:3235
2533699194147,27cyclictest0-21swapper/512:16:3235
2533499191141,47cyclictest37353-21CPU23
2533499191141,47cyclictest37353-21CPU23
2533499191141,47cyclictest37353-21CPU23
2533399186131,38cyclictest0-21swapper/209:21:5112
2533399186131,38cyclictest0-21swapper/209:21:5112
2533699180173,6cyclictest0-21swapper/509:32:1135
2533699180173,6cyclictest0-21swapper/509:32:1135
2533699180173,6cyclictest0-21swapper/509:32:1035
2533499180150,21cyclictest0-21swapper/309:05:3423
2533499180150,21cyclictest0-21swapper/309:05:3423
2533499180150,21cyclictest0-21swapper/309:05:3423
2536799179170,6cyclictest0-21swapper/3110:01:1525
2536799179170,6cyclictest0-21swapper/3110:01:1525
2536799179170,6cyclictest0-21swapper/3110:01:1525
2534699179172,5cyclictest0-21swapper/1412:36:456
2534699179172,5cyclictest0-21swapper/1412:36:446
2533399179115,53cyclictest0-21swapper/211:53:0412
2533399179115,53cyclictest0-21swapper/211:53:0412
2533399179115,53cyclictest0-21swapper/211:53:0412
2534699178160,11cyclictest0-21swapper/1411:05:416
2534699178160,11cyclictest0-21swapper/1411:05:416
2534699178160,11cyclictest0-21swapper/1411:05:416
2534099174142,24cyclictest0-21swapper/910:57:3739
2534099174142,24cyclictest0-21swapper/910:57:3739
2536299173117,51cyclictest3547-21CPU20
2536299173117,51cyclictest3547-21CPU20
2534699173167,4cyclictest0-21swapper/1412:25:026
2534699173167,4cyclictest0-21swapper/1412:25:026
2534699172143,24cyclictest0-21swapper/1412:32:326
2534699172143,24cyclictest0-21swapper/1412:32:326
2533699172155,4cyclictest0-21swapper/510:22:5335
2533699172155,4cyclictest0-21swapper/510:22:5335
2533499172151,10cyclictest0-21swapper/311:00:3823
2533499172151,10cyclictest0-21swapper/311:00:3823
2535799171144,12cyclictest0-21swapper/2207:17:4215
2535799171144,12cyclictest0-21swapper/2207:17:4215
2533699170156,9cyclictest0-21swapper/508:42:1735
2533699170156,9cyclictest0-21swapper/508:42:1735
2533699170126,13cyclictest0-21swapper/509:48:1635
2533699170126,13cyclictest0-21swapper/509:48:1635
2533399169113,53cyclictest0-21swapper/211:09:5912
2533399169113,53cyclictest0-21swapper/211:09:5912
2533399169113,53cyclictest0-21swapper/211:09:5912
2534999168109,51cyclictest3544-21CPU9
2534999168109,51cyclictest3544-21CPU9
2534399168140,14cyclictest0-21swapper/1210:59:384
2534399168140,14cyclictest0-21swapper/1210:59:384
2533399168116,43cyclictest0-21swapper/211:47:3312
2533399168116,43cyclictest0-21swapper/211:47:3312
2533399168116,43cyclictest0-21swapper/211:47:3212
2536799167155,10cyclictest0-21swapper/3109:41:3825
2536799167155,10cyclictest0-21swapper/3109:41:3825
2536799167155,10cyclictest0-21swapper/3109:41:3825
2534099167140,4cyclictest0-21swapper/909:55:0339
2534099167140,4cyclictest0-21swapper/909:55:0339
2534099167140,4cyclictest0-21swapper/909:55:0339
2533299167160,5cyclictest0-21swapper/107:21:051
2533299167152,10cyclictest0-21swapper/112:24:381
2533299167152,10cyclictest0-21swapper/112:24:381
2534699166155,7cyclictest0-21swapper/1412:27:496
2534699166155,7cyclictest0-21swapper/1412:27:496
2533499166131,21cyclictest0-21swapper/312:19:2223
2533499166131,21cyclictest0-21swapper/312:19:2223
2533399165124,33cyclictest0-21swapper/212:31:3512
2533399165124,33cyclictest0-21swapper/212:31:3512
253499916499,60cyclictest37353-21CPU9
2534999164123,32cyclictest0-21swapper/1710:54:339
2534999164123,32cyclictest0-21swapper/1710:54:339
2534999164123,32cyclictest0-21swapper/1710:54:339
2534999164119,38cyclictest0-21swapper/1711:05:229
2534999164119,38cyclictest0-21swapper/1711:05:229
2534999164119,38cyclictest0-21swapper/1711:05:229
2534699164123,12cyclictest171rcu_preempt11:49:526
2534699164123,12cyclictest171rcu_preempt11:49:526
2534699164123,12cyclictest171rcu_preempt11:49:516
2533499164156,3cyclictest0-21swapper/310:12:1323
2533499164156,3cyclictest0-21swapper/310:12:1323
2533499164135,17cyclictest1382-21in:imuxsock10:05:0823
2533499164135,17cyclictest1382-21in:imuxsock10:05:0823
2533499164135,17cyclictest1382-21in:imuxsock10:05:0823
25362991631,157cyclictest0-21swapper/2707:20:1620
2533399162145,13cyclictest0-21swapper/210:56:1712
2533399162145,13cyclictest0-21swapper/210:56:1712
25333991621,146cyclictest0-21swapper/209:10:1212
25333991621,146cyclictest0-21swapper/209:10:1112
2534099161157,2cyclictest0-21swapper/911:46:0039
2534099161157,2cyclictest0-21swapper/911:46:0039
2534099161157,2cyclictest0-21swapper/911:46:0039
2533699161140,8cyclictest0-21swapper/510:07:2635
2533699161140,8cyclictest0-21swapper/510:07:2535
2533699161140,8cyclictest0-21swapper/510:07:2535
253339916193,60cyclictest0-21swapper/209:47:1012
253339916193,60cyclictest0-21swapper/209:47:1012
2533399161126,29cyclictest0-21swapper/209:51:0112
2533399161126,29cyclictest0-21swapper/209:51:0112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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