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2026-01-03 - 06:00
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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 Sat Jan 03, 2026 01:01:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25938992052,107cyclictest3610-21CPU2
25938992052,107cyclictest3610-21CPU2
2596499204163,37cyclictest0-21swapper/3122:35:4725
2596499204163,37cyclictest0-21swapper/3122:35:4725
2596499204163,37cyclictest0-21swapper/3122:35:4725
2596399202194,4cyclictest3546-21CPU24
2594399201161,17cyclictest0-21swapper/1300:12:315
2594399201161,17cyclictest0-21swapper/1300:12:315
2596099197186,9cyclictest0-21swapper/2822:28:1321
2596099197186,9cyclictest0-21swapper/2822:28:1321
2596799196186,8cyclictest0-21swapper/3421:00:1828
2596799196186,8cyclictest0-21swapper/3421:00:1828
2596799195181,8cyclictest0-21swapper/3420:10:3128
2596799195181,8cyclictest0-21swapper/3420:10:3128
2596799195181,8cyclictest0-21swapper/3420:10:3128
2596799194186,6cyclictest0-21swapper/3400:33:2128
2596799194186,6cyclictest0-21swapper/3400:33:2128
2596499194163,29cyclictest0-21swapper/3121:31:3925
2596499194163,29cyclictest0-21swapper/3121:31:3925
2596499193159,32cyclictest0-21swapper/3122:25:3025
2596499193159,32cyclictest0-21swapper/3122:25:3025
2596499192157,32cyclictest0-21swapper/3100:17:1425
2596499192157,32cyclictest0-21swapper/3100:17:1325
2596799191180,8cyclictest0-21swapper/3420:30:0528
2595599191185,2cyclictest0-21swapper/2421:50:1217
2595599191185,2cyclictest0-21swapper/2421:50:1217
2595599191185,2cyclictest0-21swapper/2421:50:1217
2593699191163,18cyclictest0-21swapper/922:48:2839
2593699191163,18cyclictest0-21swapper/922:48:2839
2596799190179,7cyclictest0-21swapper/3420:32:1728
2596799190179,7cyclictest0-21swapper/3420:32:1628
259649919086,101cyclictest2447-21CPU25
259649919086,101cyclictest2447-21CPU25
2596499190148,38cyclictest0-21swapper/3123:54:5925
2596499190148,38cyclictest0-21swapper/3123:54:5925
2596499190148,38cyclictest0-21swapper/3123:54:5925
2593199190178,9cyclictest0-21swapper/422:58:1134
2593199190178,9cyclictest0-21swapper/422:58:1134
2593199190178,9cyclictest0-21swapper/422:58:1134
2592999190187,2cyclictest0-21swapper/321:00:2223
2592999190187,2cyclictest0-21swapper/321:00:2223
2592699189144,39cyclictest0-21swapper/021:52:410
2592699189144,39cyclictest0-21swapper/021:52:410
2592699189144,39cyclictest0-21swapper/021:52:410
2596499188155,24cyclictest0-21swapper/3100:27:5325
2596499188155,24cyclictest0-21swapper/3100:27:5225
2596499187154,26cyclictest0-21swapper/3122:00:3825
2596499187154,26cyclictest0-21swapper/3122:00:3825
2596499187154,26cyclictest0-21swapper/3122:00:3825
2596799186181,3cyclictest33272-21/usr/sbin/munin20:40:1928
2596799186181,3cyclictest33272-21/usr/sbin/munin20:40:1928
2596799185161,19cyclictest2466-21CPU28
2596799185161,19cyclictest2466-21CPU28
2596799185161,19cyclictest2466-21CPU28
2596099185118,60cyclictest2461-21CPU21
2596099185118,60cyclictest2461-21CPU21
2593699185163,12cyclictest0-21swapper/921:38:4839
2593699185163,12cyclictest0-21swapper/921:38:4839
2596799184169,5cyclictest0-21swapper/3419:24:0028
2596799184169,5cyclictest0-21swapper/3419:24:0028
2596499184133,45cyclictest0-21swapper/3100:37:5025
2596499184133,45cyclictest0-21swapper/3100:37:5025
2594999184170,7cyclictest0-21swapper/1900:17:1111
2594999184170,7cyclictest0-21swapper/1900:17:1111
2594399184149,11cyclictest0-21swapper/1321:56:055
2594399184149,11cyclictest0-21swapper/1321:56:055
2594399184149,11cyclictest0-21swapper/1321:56:045
2593699184156,18cyclictest0-21swapper/900:28:3439
2593699184156,18cyclictest0-21swapper/900:28:3439
2593499184179,3cyclictest0-21swapper/723:49:3837
2593499184179,3cyclictest0-21swapper/723:49:3837
2592699184159,20cyclictest4003-21sshd21:42:280
2592699184159,20cyclictest4003-21sshd21:42:280
2596499183141,32cyclictest0-21swapper/3122:16:2225
2596499183141,32cyclictest0-21swapper/3122:16:2225
2596499183141,32cyclictest0-21swapper/3122:16:2225
2595299183146,14cyclictest0-21swapper/2122:55:3314
2595299183146,14cyclictest0-21swapper/2122:55:3314
2595299183146,14cyclictest0-21swapper/2122:55:3314
2595299183136,21cyclictest0-21swapper/2123:55:0614
2595299183136,21cyclictest0-21swapper/2123:55:0614
2595299183136,21cyclictest0-21swapper/2123:55:0514
2594399183147,22cyclictest0-21swapper/1319:10:205
2594399183147,22cyclictest0-21swapper/1319:10:205
2596799182176,4cyclictest0-21swapper/3420:00:0828
2596799182176,4cyclictest0-21swapper/3420:00:0828
2596099182147,10cyclictest171rcu_preempt21:25:1021
2596099182147,10cyclictest171rcu_preempt21:25:1021
2596099182147,10cyclictest171rcu_preempt21:25:1021
2595499182165,8cyclictest0-21swapper/2319:18:4616
2595499182165,8cyclictest0-21swapper/2319:18:4616
2595299182146,16cyclictest171rcu_preempt00:02:4114
2595299182146,16cyclictest171rcu_preempt00:02:4114
2595299182142,25cyclictest0-21swapper/2121:17:1914
2595299182142,25cyclictest0-21swapper/2121:17:1914
2595299182142,25cyclictest0-21swapper/2121:17:1814
2594599182175,3cyclictest0-21swapper/1521:45:257
2594599182175,3cyclictest0-21swapper/1521:45:257
2593299182168,10cyclictest0-21swapper/520:15:3335
2593299182168,10cyclictest0-21swapper/520:15:3335
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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