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2026-06-08 - 15:06
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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 Mon Jun 08, 2026 13:02:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3405699212209,2cyclictest0-21swapper/3510:01:1429
3405699212209,2cyclictest0-21swapper/3510:01:1429
3405699212209,2cyclictest0-21swapper/3510:01:1429
3404399205199,4cyclictest0-21swapper/2512:06:3518
3404399205199,4cyclictest0-21swapper/2512:06:3418
3404399203197,4cyclictest0-21swapper/2507:35:0018
3404399203197,4cyclictest0-21swapper/2507:35:0018
3405899201193,5cyclictest0-21swapper/3712:35:5231
3405899201193,5cyclictest0-21swapper/3712:35:5231
3405899201193,5cyclictest0-21swapper/3712:35:5131
3404399201193,6cyclictest0-21swapper/2509:20:0118
3404399201193,6cyclictest0-21swapper/2509:20:0118
3404399201187,12cyclictest27379-21taskset10:41:2418
3404399201187,12cyclictest27379-21taskset10:41:2418
3404399201187,12cyclictest27379-21taskset10:41:2318
34041991993,86cyclictest0-21swapper/2408:55:2717
3405899198191,4cyclictest0-21swapper/3711:52:1431
3405899198191,4cyclictest0-21swapper/3711:52:1431
3405699198191,4cyclictest3610-21CPU29
3405699198191,4cyclictest3610-21CPU29
3404399197188,4cyclictest3548-21CPU18
3404399197188,4cyclictest3548-21CPU18
3404399197183,12cyclictest0-21swapper/2509:00:5218
3405899196187,6cyclictest0-21swapper/3711:45:2831
3405899196187,6cyclictest0-21swapper/3711:45:2831
3404399195189,5cyclictest0-21swapper/2507:25:2818
3404399195189,5cyclictest0-21swapper/2507:25:2718
3405899194189,4cyclictest0-21swapper/3709:49:1031
3405899194189,4cyclictest0-21swapper/3709:49:1031
3405899194186,5cyclictest0-21swapper/3708:15:1431
3405899194186,5cyclictest0-21swapper/3708:15:1431
3404399194189,4cyclictest0-21swapper/2509:56:4718
3404399194189,4cyclictest0-21swapper/2509:56:4718
3404399194189,4cyclictest0-21swapper/2509:56:4618
3405699193182,6cyclictest0-21swapper/3508:10:1429
3405699193182,6cyclictest0-21swapper/3508:10:1429
3404399193188,4cyclictest0-21swapper/2510:56:3418
3404399193188,4cyclictest0-21swapper/2510:56:3418
3404399193188,4cyclictest0-21swapper/2507:40:2118
3404399193188,4cyclictest0-21swapper/2507:40:2018
3404399193187,4cyclictest0-21swapper/2509:20:0918
3404399193187,4cyclictest0-21swapper/2509:20:0818
3404399193187,4cyclictest0-21swapper/2509:20:0818
3404399192185,5cyclictest0-21swapper/2510:02:2718
3404399192185,5cyclictest0-21swapper/2510:02:2718
3404399192185,5cyclictest0-21swapper/2510:02:2618
3405899191182,7cyclictest0-21swapper/3709:41:5531
3405899191182,7cyclictest0-21swapper/3709:41:5431
3404399191187,2cyclictest0-21swapper/2511:42:1818
3404399191187,2cyclictest0-21swapper/2511:42:1718
3404399191187,2cyclictest0-21swapper/2511:42:1718
3404399191183,6cyclictest0-21swapper/2510:38:2918
3404399191183,6cyclictest0-21swapper/2510:38:2918
3404399190180,8cyclictest9271-21latency_hist07:50:0018
3404399190180,8cyclictest9271-21latency_hist07:50:0018
3405899189184,4cyclictest0-21swapper/3712:14:5031
3405899189184,4cyclictest0-21swapper/3712:14:5031
3405899189184,4cyclictest0-21swapper/3712:14:4931
3404399189182,6cyclictest0-21swapper/2511:39:5918
3404399189182,6cyclictest0-21swapper/2511:39:5918
3404399189182,6cyclictest0-21swapper/2511:39:5918
3404399189182,3cyclictest3609-21CPU18
3404399189182,3cyclictest3609-21CPU18
3404399189180,7cyclictest2589-21cat08:40:2718
3404399189180,7cyclictest2589-21cat08:40:2718
3405899188184,3cyclictest0-21swapper/3712:02:5231
3405899188184,3cyclictest0-21swapper/3712:02:5231
3405899188184,3cyclictest0-21swapper/3712:02:5131
3405899188181,5cyclictest0-21swapper/3711:00:0131
3405899188181,5cyclictest0-21swapper/3711:00:0131
3404399188176,10cyclictest0-21swapper/2509:29:0618
3404399188176,10cyclictest0-21swapper/2509:29:0618
3404399188176,10cyclictest0-21swapper/2509:29:0518
3404099188125,41cyclictest3547-21CPU16
3404099188125,41cyclictest3547-21CPU16
3405599187181,4cyclictest0-21swapper/3409:32:1828
3405599187181,4cyclictest0-21swapper/3409:32:1828
3404399187181,4cyclictest1367-21dbus-daemon12:12:3118
3404399187181,4cyclictest1367-21dbus-daemon12:12:3118
3404399187181,4cyclictest1367-21dbus-daemon12:12:3018
3404399187179,6cyclictest0-21swapper/2508:55:2718
3405899186179,5cyclictest0-21swapper/3709:00:2331
3405899186179,5cyclictest0-21swapper/3707:35:2531
3405899186179,5cyclictest0-21swapper/3707:35:2431
3404399186179,5cyclictest0-21swapper/2509:10:1418
3404399186179,5cyclictest0-21swapper/2509:10:1318
3405899185180,4cyclictest0-21swapper/3708:41:2231
3405899185180,4cyclictest0-21swapper/3708:41:2231
3405899185177,5cyclictest3547-21CPU31
3405899185177,5cyclictest3547-21CPU31
3405899185176,7cyclictest0-21swapper/3711:21:4731
3405899185176,7cyclictest0-21swapper/3711:21:4631
3405899185176,7cyclictest0-21swapper/3711:21:4631
3405899185175,7cyclictest0-21swapper/3709:59:3631
3405899185175,7cyclictest0-21swapper/3709:59:3631
3405899185175,7cyclictest0-21swapper/3709:59:3531
3404399185180,4cyclictest0-21swapper/2512:18:4418
3404399185180,4cyclictest0-21swapper/2512:18:4418
3404399185180,4cyclictest0-21swapper/2512:18:4418
3404399185180,4cyclictest0-21swapper/2511:32:3218
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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