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2026-05-14 - 17:41
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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 rackcslot6.osadl.org (updated Thu May 14, 2026 12:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
254588399378376,1cyclictest2860903-21kworker/5:207:15:025
254587599377375,1cyclictest2594829-21kworker/4:209:01:024
254587599374372,1cyclictest2654984-21kworker/4:011:15:024
254587599374372,1cyclictest2654984-21kworker/4:011:15:024
254587599373371,1cyclictest2594829-21kworker/4:208:49:024
254588399372371,1cyclictest2860903-21kworker/5:208:21:025
254588399372371,1cyclictest2860903-21kworker/5:208:21:025
254587599371369,2cyclictest2654984-21kworker/4:011:25:024
254588399370369,1cyclictest2860903-21kworker/5:209:19:025
254588399370369,1cyclictest2860903-21kworker/5:208:27:025
254588399370367,2cyclictest2633930-21kworker/5:109:41:025
254587599370369,1cyclictest2594829-21kworker/4:209:21:024
254587599370369,1cyclictest0-21swapper/407:35:024
254587599370368,1cyclictest0-21swapper/412:21:024
254588399369368,1cyclictest2685058-21kworker/5:211:29:025
254588399369368,1cyclictest0-21swapper/509:25:025
254587599369367,1cyclictest42-21ksoftirqd/407:14:024
254587599369367,1cyclictest2510869-21kworker/4:108:20:034
254587599369367,1cyclictest2510869-21kworker/4:108:20:024
254587599369366,2cyclictest2510869-21kworker/4:107:23:024
254588399368367,1cyclictest2860903-21kworker/5:207:37:025
254588399368367,1cyclictest2633930-21kworker/5:110:03:025
254588399368366,1cyclictest2718149-21kworker/5:012:31:025
254588399368366,1cyclictest2685058-21kworker/5:211:37:025
254587599368367,1cyclictest2594829-21kworker/4:208:53:024
254587599368367,1cyclictest0-21swapper/409:07:024
254587599368366,1cyclictest2654984-21kworker/4:010:40:024
254587599368366,1cyclictest2654984-21kworker/4:010:10:024
254587599368366,1cyclictest0-21swapper/408:15:034
254587599368366,1cyclictest0-21swapper/407:45:024
254587599367366,1cyclictest2654984-21kworker/4:011:57:024
254587599367366,1cyclictest2654984-21kworker/4:011:41:024
254587599367366,1cyclictest2594829-21kworker/4:209:39:024
254587599367366,1cyclictest0-21swapper/412:37:024
254587599367366,1cyclictest0-21swapper/409:57:024
254587599367365,1cyclictest2594829-21kworker/4:209:53:024
254587599367365,1cyclictest2510869-21kworker/4:108:05:024
254587599366365,1cyclictest2594829-21kworker/4:209:43:034
254587599366365,1cyclictest0-21swapper/410:46:024
254587599366365,1cyclictest0-21swapper/410:39:024
254587599366364,1cyclictest2654984-21kworker/4:012:17:024
254587599366364,1cyclictest0-21swapper/411:14:024
254587599366363,2cyclictest2654984-21kworker/4:012:03:024
254588399365364,1cyclictest0-21swapper/507:30:025
254588399365363,1cyclictest2633930-21kworker/5:110:55:025
254587599365364,1cyclictest0-21swapper/412:34:024
254587599365364,1cyclictest0-21swapper/408:03:024
254587599365363,1cyclictest0-21swapper/407:28:024
254588399364363,1cyclictest0-21swapper/512:00:025
254587599364363,1cyclictest0-21swapper/408:28:024
254587599364362,1cyclictest0-21swapper/412:26:024
254588399363362,1cyclictest0-21swapper/509:35:025
254588399363361,1cyclictest2860903-21kworker/5:209:24:025
254588399363361,1cyclictest2633930-21kworker/5:110:06:025
254588399363361,1cyclictest0-21swapper/508:01:025
254587599363361,1cyclictest2510869-21kworker/4:108:11:024
254588399362361,1cyclictest0-21swapper/512:12:025
254588399362361,1cyclictest0-21swapper/511:10:025
254588399362361,1cyclictest0-21swapper/508:36:025
254588399362361,1cyclictest0-21swapper/507:43:025
254588399362360,1cyclictest2860903-21kworker/5:208:08:025
254588399362360,1cyclictest2685058-21kworker/5:211:19:025
254588399362360,1cyclictest2685058-21kworker/5:211:19:025
254588399362360,1cyclictest2685058-21kworker/5:211:01:025
254588399362359,2cyclictest2860903-21kworker/5:207:21:025
254588399361360,1cyclictest0-21swapper/510:32:025
254588399360359,1cyclictest2860903-21kworker/5:208:31:025
254588399360359,1cyclictest0-21swapper/512:36:025
254588399360359,1cyclictest0-21swapper/511:59:025
254588399360359,1cyclictest0-21swapper/509:56:035
254588399360358,1cyclictest2860903-21kworker/5:209:09:025
254588399360358,1cyclictest2633930-21kworker/5:110:23:025
254588399360358,1cyclictest0-21swapper/510:51:025
254587599360358,1cyclictest2654984-21kworker/4:011:50:024
254586899360358,1cyclictest2576757-21kworker/3:012:39:023
254588399359358,1cyclictest0-21swapper/507:53:025
254587599359358,1cyclictest0-21swapper/411:30:024
254586899359356,2cyclictest2576757-21kworker/3:011:47:023
254588399358357,1cyclictest0-21swapper/509:30:025
254586899358356,1cyclictest2576757-21kworker/3:011:21:023
254586899358355,2cyclictest2828734-21kworker/3:207:11:023
254588399357355,1cyclictest2685058-21kworker/5:211:22:025
254587599357356,1cyclictest2654984-21kworker/4:010:30:024
254587599357356,1cyclictest2654984-21kworker/4:010:15:024
254587599357356,1cyclictest2510869-21kworker/4:107:34:024
254587599357356,1cyclictest0-21swapper/408:59:024
254587599357355,1cyclictest0-21swapper/409:34:024
254587599357354,2cyclictest2510869-21kworker/4:107:56:024
254588399356355,1cyclictest2860903-21kworker/5:208:46:025
254588399356355,1cyclictest2718149-21kworker/5:012:25:025
254588399356355,1cyclictest2685058-21kworker/5:211:05:025
254588399356355,1cyclictest2633930-21kworker/5:109:50:025
254588399356355,1cyclictest0-21swapper/512:09:025
254588399356355,1cyclictest0-21swapper/508:55:025
254587599356355,1cyclictest2654984-21kworker/4:011:06:024
254587599356355,1cyclictest2594829-21kworker/4:209:26:024
254587599356355,1cyclictest2510869-21kworker/4:107:42:024
254587599356354,1cyclictest2654984-21kworker/4:011:48:024
254587599356354,1cyclictest2654984-21kworker/4:010:59:024
254586899356355,1cyclictest0-21swapper/311:03:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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