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2026-08-07 - 18:50
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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 Aug 07, 2026 13:02:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2534499229196,22cyclictest0-21swapper/2912:36:5222
2534499229196,22cyclictest0-21swapper/2912:36:5222
2530999225202,17cyclictest0-21swapper/012:08:320
2530999225202,17cyclictest0-21swapper/012:08:320
2531999219213,4cyclictest0-21swapper/812:31:1338
2531999219213,4cyclictest0-21swapper/812:31:1338
2531999215209,4cyclictest0-21swapper/808:01:3938
2531999215209,4cyclictest0-21swapper/808:01:3938
2531799215212,2cyclictest0-21swapper/608:45:1636
2531799215212,2cyclictest0-21swapper/608:45:1636
2535299213201,10cyclictest0-21swapper/3608:05:0530
2535299213201,10cyclictest0-21swapper/3608:05:0530
2531099205197,4cyclictest3544-21CPU1
2531099205197,4cyclictest3544-21CPU1
25327992041,198cyclictest0-21swapper/1611:34:558
25327992041,198cyclictest0-21swapper/1611:34:558
25343992031,195cyclictest0-21swapper/2811:15:1921
25343992031,195cyclictest0-21swapper/2811:15:1921
2531999203192,9cyclictest0-21swapper/812:28:4138
2531999203192,9cyclictest0-21swapper/812:28:4138
2534399202170,23cyclictest0-21swapper/2812:02:1921
2534399202170,23cyclictest0-21swapper/2812:02:1921
2535499200170,14cyclictest0-21swapper/3811:06:5132
2535499200170,14cyclictest0-21swapper/3811:06:5132
2535499200170,14cyclictest0-21swapper/3811:06:5132
2532799200168,23cyclictest0-21swapper/1609:56:508
2532799200168,23cyclictest0-21swapper/1609:56:508
2532799200168,23cyclictest0-21swapper/1609:56:508
2532199200196,2cyclictest0-21swapper/1011:45:202
2532199200196,2cyclictest0-21swapper/1011:45:202
2532199200196,2cyclictest0-21swapper/1011:45:202
2531899200168,10cyclictest171rcu_preempt11:35:2737
2531899200168,10cyclictest171rcu_preempt11:35:2737
2531899200168,10cyclictest171rcu_preempt11:35:2737
2534299199193,3cyclictest0-21swapper/2711:40:2120
2534299199193,3cyclictest0-21swapper/2711:40:2120
2535499197152,16cyclictest0-21swapper/3810:18:0232
2535499197152,16cyclictest0-21swapper/3810:18:0232
2534499197174,12cyclictest0-21swapper/2909:56:5722
2534499197174,12cyclictest0-21swapper/2909:56:5722
2534499197174,12cyclictest0-21swapper/2909:56:5722
2534399197172,22cyclictest0-21swapper/2811:55:5521
2534399197172,22cyclictest0-21swapper/2811:55:5521
2532799196164,23cyclictest0-21swapper/1612:27:238
2532799196164,23cyclictest0-21swapper/1612:27:238
2531999195144,32cyclictest0-21swapper/810:20:4838
2531999195144,32cyclictest0-21swapper/810:20:4838
2531999195144,32cyclictest0-21swapper/810:20:4838
2532399194124,65cyclictest3610-21CPU4
2532399194124,65cyclictest3610-21CPU4
2532399194124,65cyclictest3610-21CPU4
2531999194181,11cyclictest0-21swapper/811:54:1438
2531999194181,11cyclictest0-21swapper/811:54:1438
2535499193186,5cyclictest0-21swapper/3811:04:1732
2535499193186,5cyclictest0-21swapper/3811:04:1732
2535499193186,5cyclictest0-21swapper/3811:04:1732
2535499193159,15cyclictest0-21swapper/3810:28:3932
2535499193159,15cyclictest0-21swapper/3810:28:3932
2531999193185,6cyclictest0-21swapper/810:57:0238
2531999193185,6cyclictest0-21swapper/810:57:0238
2530999193151,13cyclictest171rcu_preempt09:39:140
2530999193151,13cyclictest171rcu_preempt09:39:140
2532799191157,25cyclictest0-21swapper/1609:20:248
2532799191157,25cyclictest0-21swapper/1609:20:248
2531899191155,12cyclictest171rcu_preempt12:04:2737
2531899191155,12cyclictest171rcu_preempt12:04:2737
2530999190143,23cyclictest0-21swapper/012:29:130
2530999190143,23cyclictest0-21swapper/012:29:130
2535499189160,21cyclictest0-21swapper/3810:01:4132
2535499189160,21cyclictest0-21swapper/3810:01:4132
2535499189160,21cyclictest0-21swapper/3810:01:4132
2534499188151,33cyclictest0-21swapper/2910:11:2122
2534499188151,33cyclictest0-21swapper/2910:11:2122
2534499188151,33cyclictest0-21swapper/2910:11:2122
2531999188177,9cyclictest0-21swapper/808:21:0938
2531999188177,9cyclictest0-21swapper/808:21:0938
2534799187180,4cyclictest0-21swapper/3211:40:0026
2534799187180,4cyclictest0-21swapper/3211:40:0026
2534799187180,4cyclictest0-21swapper/3211:40:0026
2532799187119,60cyclictest0-21swapper/1609:43:078
2532799187119,60cyclictest0-21swapper/1609:43:078
2532299187161,23cyclictest0-21swapper/1111:02:363
2532299187161,23cyclictest0-21swapper/1111:02:363
2532299187161,23cyclictest0-21swapper/1111:02:363
2531999187173,12cyclictest0-21swapper/808:31:0138
2531999187173,12cyclictest0-21swapper/808:31:0138
2530999187172,13cyclictest0-21swapper/011:01:580
2530999187172,13cyclictest0-21swapper/011:01:580
2530999187172,13cyclictest0-21swapper/011:01:580
253529918667,114cyclictest2454-21CPU30
253529918667,114cyclictest2454-21CPU30
253529918667,114cyclictest2454-21CPU30
2534199186170,14cyclictest0-21swapper/2611:00:0219
2534199186170,14cyclictest0-21swapper/2611:00:0119
2531399186156,24cyclictest0-21swapper/409:34:0034
2531399186156,24cyclictest0-21swapper/409:34:0034
2531399186156,24cyclictest0-21swapper/409:34:0034
2534499185176,7cyclictest0-21swapper/2909:31:1522
2534499185176,7cyclictest0-21swapper/2909:31:1522
2534499185176,7cyclictest0-21swapper/2909:31:1522
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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