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2026-04-25 - 17:44
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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 Apr 25, 2026 13:02:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
485399228211,8cyclictest0-21swapper/3907:39:3133
485399228211,8cyclictest0-21swapper/3907:39:3133
484899224186,13cyclictest0-21swapper/3510:20:0329
484899224186,13cyclictest0-21swapper/3510:20:0329
484899224186,13cyclictest0-21swapper/3510:20:0329
485399221214,5cyclictest0-21swapper/3912:09:3633
485399221214,5cyclictest0-21swapper/3912:09:3633
485399219195,21cyclictest0-21swapper/3909:20:0133
485399219195,21cyclictest0-21swapper/3909:20:0133
485399219195,21cyclictest0-21swapper/3909:20:0133
484099219154,54cyclictest0-21swapper/2810:55:0021
484099219154,54cyclictest0-21swapper/2810:55:0021
484099219154,54cyclictest0-21swapper/2810:55:0021
480599218210,6cyclictest0-21swapper/011:29:390
480599218210,6cyclictest0-21swapper/011:29:390
480599218210,6cyclictest0-21swapper/011:29:390
484399213199,8cyclictest0-21swapper/3108:55:2225
484399213199,8cyclictest0-21swapper/3108:55:2125
485399212203,5cyclictest0-21swapper/3912:20:0033
485399212203,5cyclictest0-21swapper/3912:20:0033
485399212203,5cyclictest0-21swapper/3912:20:0033
485399210198,4cyclictest0-21swapper/3909:10:1633
485399210198,4cyclictest0-21swapper/3909:10:1633
485399209196,9cyclictest37267-21CPU33
485399209196,9cyclictest37267-21CPU33
481799209194,10cyclictest0-21swapper/809:50:3038
481799209194,10cyclictest0-21swapper/809:50:2938
481599209200,7cyclictest0-21swapper/611:29:3936
481599209200,7cyclictest0-21swapper/611:29:3936
481599209200,7cyclictest0-21swapper/611:29:3936
485399208200,5cyclictest0-21swapper/3912:35:1333
485399208200,5cyclictest0-21swapper/3912:35:1333
480599208182,15cyclictest0-21swapper/010:00:410
480599208182,15cyclictest0-21swapper/010:00:410
480599208182,15cyclictest0-21swapper/010:00:410
485399207201,4cyclictest0-21swapper/3912:30:0033
485399207201,4cyclictest0-21swapper/3912:30:0033
485399207200,4cyclictest0-21swapper/3907:40:3833
485399207200,4cyclictest0-21swapper/3907:40:3833
485399207197,6cyclictest0-21swapper/3912:11:2133
485399207197,6cyclictest0-21swapper/3912:11:2133
485399205196,6cyclictest0-21swapper/3909:20:5633
485399205196,6cyclictest0-21swapper/3909:20:5633
485399205196,6cyclictest0-21swapper/3909:20:5633
485399205195,7cyclictest0-21swapper/3908:00:0633
485399205195,7cyclictest0-21swapper/3908:00:0533
485399202195,5cyclictest0-21swapper/3912:24:4433
485399202195,5cyclictest0-21swapper/3912:24:4433
480599201191,3cyclictest0-21swapper/008:35:260
480599201191,3cyclictest0-21swapper/008:35:260
485399200192,5cyclictest0-21swapper/3907:25:1933
485399200192,5cyclictest0-21swapper/3907:25:1933
485399199193,4cyclictest0-21swapper/3907:25:0233
480599199190,8cyclictest0-21swapper/011:48:400
480599199190,8cyclictest0-21swapper/011:48:400
481499198192,2cyclictest0-21swapper/508:00:1635
481499198192,2cyclictest0-21swapper/508:00:1635
483699197194,2cyclictest0-21swapper/2408:20:3317
483699197194,2cyclictest0-21swapper/2408:20:3317
484099196159,28cyclictest0-21swapper/2809:50:0021
484099196159,28cyclictest0-21swapper/2809:50:0021
484099196159,28cyclictest0-21swapper/2809:50:0021
4840991961,177cyclictest0-21swapper/2810:05:1421
4840991961,177cyclictest0-21swapper/2810:05:1421
482999196192,2cyclictest0-21swapper/1810:40:1610
482999196192,2cyclictest0-21swapper/1810:40:1610
485399195189,4cyclictest0-21swapper/3909:28:0433
485399195189,4cyclictest0-21swapper/3909:28:0433
485399195189,4cyclictest0-21swapper/3909:28:0333
484899195169,9cyclictest171rcu_preempt09:43:5729
484899195169,9cyclictest171rcu_preempt09:43:5629
482399195115,76cyclictest3548-21CPU5
482399195115,76cyclictest3548-21CPU5
485399194188,4cyclictest0-21swapper/3909:30:2433
485399194188,4cyclictest0-21swapper/3909:30:2433
484599194151,39cyclictest0-21swapper/3312:31:5527
484599194151,39cyclictest0-21swapper/3312:31:5527
481799194177,3cyclictest0-21swapper/811:55:0138
481799194177,3cyclictest0-21swapper/811:55:0138
481799194177,3cyclictest0-21swapper/811:55:0138
481399193184,6cyclictest0-21swapper/412:12:4834
481399193184,6cyclictest0-21swapper/412:12:4734
485399192181,7cyclictest8871-21munin-run09:10:0033
485399192181,7cyclictest8871-21munin-run09:10:0033
485399192181,7cyclictest8871-21munin-run09:10:0033
483499192140,31cyclictest0-21swapper/2211:07:5315
483499192140,31cyclictest0-21swapper/2211:07:5315
483499192140,31cyclictest0-21swapper/2211:07:5315
481899192156,10cyclictest0-21swapper/910:50:2439
481899192156,10cyclictest0-21swapper/910:50:2439
481899192156,10cyclictest0-21swapper/910:50:2439
485399191182,7cyclictest0-21swapper/3907:55:1633
485399191182,7cyclictest0-21swapper/3907:55:1633
484399191184,5cyclictest0-21swapper/3109:00:1425
484399191184,5cyclictest0-21swapper/3109:00:1425
480799191181,9cyclictest0-21swapper/111:29:391
480799191181,9cyclictest0-21swapper/111:29:391
480799191181,9cyclictest0-21swapper/111:29:391
483999190187,2cyclictest0-21swapper/2709:05:1620
483999190187,2cyclictest0-21swapper/2709:05:1620
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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