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2026-05-10 - 00:09
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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 May 09, 2026 13:03:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
675199228208,6cyclictest0-21swapper/3412:06:5028
675199228208,6cyclictest0-21swapper/3412:06:5028
675199228208,6cyclictest0-21swapper/3412:06:4928
672399225221,2cyclictest0-21swapper/1008:20:142
673699221202,10cyclictest0-21swapper/2012:04:2513
673699221202,10cyclictest0-21swapper/2012:04:2413
673599218212,4cyclictest0-21swapper/1912:32:0711
673599218212,4cyclictest0-21swapper/1912:32:0611
671399217198,9cyclictest0-21swapper/109:18:461
671399217198,9cyclictest0-21swapper/109:18:451
675199215207,6cyclictest0-21swapper/3411:40:1828
675199215207,6cyclictest0-21swapper/3411:40:1728
675199215207,6cyclictest0-21swapper/3411:40:1728
672099213170,16cyclictest171rcu_preempt09:28:4638
672099213170,16cyclictest171rcu_preempt09:28:4638
672099213170,16cyclictest171rcu_preempt09:28:4538
671399211205,4cyclictest0-21swapper/109:22:221
671399211205,4cyclictest0-21swapper/109:22:221
674299208168,37cyclictest0-21swapper/2611:53:1619
674299208168,37cyclictest0-21swapper/2611:53:1619
674299208168,37cyclictest0-21swapper/2611:53:1519
675199206200,4cyclictest0-21swapper/3412:35:5428
675199206200,4cyclictest0-21swapper/3412:35:5428
675199206200,4cyclictest0-21swapper/3412:35:5328
675199206198,6cyclictest0-21swapper/3410:59:5328
675199206198,6cyclictest0-21swapper/3410:59:5328
675199206198,6cyclictest0-21swapper/3410:59:5228
671399206192,11cyclictest0-21swapper/110:30:421
671399206192,11cyclictest0-21swapper/110:30:421
671399206192,11cyclictest0-21swapper/110:30:411
675199204195,4cyclictest0-21swapper/3410:10:2728
675199204195,4cyclictest0-21swapper/3410:10:2728
675199203197,4cyclictest0-21swapper/3407:40:1028
675199203197,4cyclictest0-21swapper/3407:40:0928
671399203195,6cyclictest0-21swapper/111:32:141
671399203195,6cyclictest0-21swapper/111:32:131
671399203192,8cyclictest0-21swapper/111:44:561
671399203192,8cyclictest0-21swapper/111:44:561
671399203192,8cyclictest0-21swapper/111:44:561
672099202193,4cyclictest37269-21CPU38
672099202193,4cyclictest37269-21CPU38
671899202195,5cyclictest0-21swapper/611:29:4836
671899202195,5cyclictest0-21swapper/611:29:4836
671899202195,5cyclictest0-21swapper/611:29:4836
674699201187,8cyclictest0-21swapper/2909:50:2722
674699201187,8cyclictest0-21swapper/2909:50:2622
674699201187,8cyclictest0-21swapper/2909:50:2622
673699201193,6cyclictest0-21swapper/2011:20:1213
673699201193,6cyclictest0-21swapper/2011:20:1113
672099201193,6cyclictest0-21swapper/807:58:1438
672099201193,6cyclictest0-21swapper/807:58:1438
675199200187,9cyclictest37357-21CPU28
675199200187,9cyclictest37357-21CPU28
671399200193,4cyclictest0-21swapper/109:14:571
671399200193,4cyclictest0-21swapper/109:14:561
675199199193,4cyclictest0-21swapper/3411:27:3328
675199199193,4cyclictest0-21swapper/3411:27:3228
675199199193,4cyclictest0-21swapper/3411:27:3228
675199199192,4cyclictest0-21swapper/3411:55:1528
675199199192,4cyclictest0-21swapper/3411:55:1428
674699199187,8cyclictest0-21swapper/2909:41:3722
674699199187,8cyclictest0-21swapper/2909:41:3722
674699199187,8cyclictest0-21swapper/2909:41:3722
671399199192,5cyclictest0-21swapper/110:25:181
671399199192,5cyclictest0-21swapper/110:25:181
671499198193,4cyclictest0-21swapper/211:04:0012
671499198193,4cyclictest0-21swapper/211:04:0012
671499198193,4cyclictest0-21swapper/211:03:5912
675199197192,4cyclictest0-21swapper/3411:01:2728
675199197192,4cyclictest0-21swapper/3411:01:2728
675199197192,4cyclictest0-21swapper/3411:01:2728
675199197191,5cyclictest0-21swapper/3410:40:1728
675199197191,5cyclictest0-21swapper/3410:40:1628
675199197191,4cyclictest0-21swapper/3411:31:5328
675199197191,4cyclictest0-21swapper/3411:31:5328
672099197190,5cyclictest2454-21CPU38
672099197190,5cyclictest2454-21CPU38
672099197190,5cyclictest0-21swapper/811:16:2338
672099197190,5cyclictest0-21swapper/811:16:2338
675199196188,6cyclictest0-21swapper/3410:08:2228
675199196188,6cyclictest0-21swapper/3410:08:2128
675199196188,6cyclictest0-21swapper/3410:08:2128
671499196188,6cyclictest0-21swapper/210:52:3712
671499196188,6cyclictest0-21swapper/210:52:3712
671499196188,6cyclictest0-21swapper/210:52:3712
671399196186,8cyclictest0-21swapper/111:38:411
671399196186,8cyclictest0-21swapper/111:38:401
671399196186,8cyclictest0-21swapper/111:38:401
675199194188,4cyclictest0-21swapper/3410:02:4728
675199194188,4cyclictest0-21swapper/3410:02:4628
675199194188,4cyclictest0-21swapper/3410:02:4628
675199194187,5cyclictest1-21systemd12:10:1428
675199194187,5cyclictest1-21systemd12:10:1428
675199194156,29cyclictest37351-21CPU28
675199194156,29cyclictest37351-21CPU28
675199194156,29cyclictest37351-21CPU28
674699194183,7cyclictest0-21swapper/2909:50:0122
674699194183,7cyclictest0-21swapper/2909:50:0022
675199193187,4cyclictest0-21swapper/3412:15:4828
675199193187,4cyclictest0-21swapper/3412:15:4728
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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