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2026-07-17 - 12:37
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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 Jul 17, 2026 01:01:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76899226212,8cyclictest19562-21cstates21:15:1733
76899226212,8cyclictest19562-21cstates21:15:1733
76899226212,8cyclictest19562-21cstates21:15:1733
73399222209,11cyclictest0-21swapper/921:00:1539
73399222209,11cyclictest0-21swapper/921:00:1539
75499215211,2cyclictest0-21swapper/2722:53:2020
75499215211,2cyclictest0-21swapper/2722:53:2020
76899214195,9cyclictest0-21swapper/3922:50:4433
76899214195,9cyclictest0-21swapper/3922:50:4333
73399214208,4cyclictest0-21swapper/900:00:1839
73399214208,4cyclictest0-21swapper/900:00:1839
73399209200,7cyclictest0-21swapper/900:00:0739
73399209200,7cyclictest0-21swapper/900:00:0739
73399209200,7cyclictest0-21swapper/900:00:0739
73399208199,7cyclictest0-21swapper/920:20:4239
73399208199,7cyclictest0-21swapper/920:20:4139
76899206197,6cyclictest0-21swapper/3922:10:2633
76899206197,6cyclictest0-21swapper/3922:10:2633
76899205199,3cyclictest19182-21sshd23:04:5233
76899205199,3cyclictest19182-21sshd23:04:5233
73399205200,4cyclictest0-21swapper/920:50:2839
73399205200,4cyclictest0-21swapper/920:50:2739
73099205160,41cyclictest3610-21CPU36
73099205160,41cyclictest3610-21CPU36
73399204199,3cyclictest142050irq/42-eno1-TxRx-020:47:2639
73399204199,3cyclictest142050irq/42-eno1-TxRx-020:47:2639
73399204199,3cyclictest142050irq/42-eno1-TxRx-020:47:2639
73399204195,7cyclictest0-21swapper/920:55:5139
73399204195,7cyclictest0-21swapper/920:55:5139
73399203197,4cyclictest0-21swapper/919:45:4539
73399203197,4cyclictest0-21swapper/919:45:4439
73399203196,3cyclictest3546-21CPU39
73399203196,3cyclictest3546-21CPU39
73399202198,2cyclictest0-21swapper/919:50:1139
73399202198,2cyclictest0-21swapper/919:50:1139
76899201196,4cyclictest0-21swapper/3923:38:4033
76899201196,4cyclictest0-21swapper/3923:38:4033
76899200192,5cyclictest0-21swapper/3921:40:2833
76899200192,5cyclictest0-21swapper/3921:40:2833
76899198193,4cyclictest0-21swapper/3923:40:4333
76899198193,4cyclictest0-21swapper/3923:40:4333
76899195189,4cyclictest0-21swapper/3922:35:2933
76899195189,4cyclictest0-21swapper/3922:35:2933
76899195181,6cyclictest0-21swapper/3922:05:3033
76899195181,6cyclictest0-21swapper/3922:05:3033
73299195191,2cyclictest0-21swapper/821:29:0838
73299195191,2cyclictest0-21swapper/821:29:0838
76899194188,5cyclictest0-21swapper/3923:26:3533
76899194188,5cyclictest0-21swapper/3923:26:3533
76899194188,5cyclictest0-21swapper/3923:26:3533
76899194187,5cyclictest0-21swapper/3922:45:5533
76899194187,5cyclictest0-21swapper/3922:45:5433
76299194189,2cyclictest0-21swapper/3422:00:2528
76299194189,2cyclictest0-21swapper/3422:00:2528
76899193186,5cyclictest0-21swapper/3922:55:1733
76899193186,5cyclictest0-21swapper/3922:55:1633
76899193184,5cyclictest2459-21CPU33
76899193184,5cyclictest2459-21CPU33
76899192187,4cyclictest0-21swapper/3921:11:4133
76899192187,4cyclictest0-21swapper/3921:11:4133
75499192183,5cyclictest2447-21CPU20
75499192183,5cyclictest2447-21CPU20
74599191186,3cyclictest0-21swapper/2023:00:1613
74599191186,3cyclictest0-21swapper/2023:00:1613
76899190184,4cyclictest0-21swapper/3923:05:3133
76899190184,4cyclictest0-21swapper/3923:05:3133
76899190184,4cyclictest0-21swapper/3921:35:0333
76899190184,4cyclictest0-21swapper/3921:35:0233
76899190184,3cyclictest37351-21CPU33
76899190184,3cyclictest37351-21CPU33
76899190182,6cyclictest0-21swapper/3921:26:3533
76899190182,6cyclictest0-21swapper/3921:26:3533
76899190180,6cyclictest4407-21CPU33
76899190180,6cyclictest4407-21CPU33
76899190180,6cyclictest4407-21CPU33
76899190177,9cyclictest0-21swapper/3921:59:4833
76899190177,9cyclictest0-21swapper/3921:59:4733
76899189185,3cyclictest17484-21nfsd22:01:4833
76899189185,3cyclictest17484-21nfsd22:01:4833
73799189180,4cyclictest0-21swapper/1322:18:535
73799189180,4cyclictest0-21swapper/1322:18:525
73799189180,4cyclictest0-21swapper/1322:18:525
73699189183,5cyclictest0-21swapper/1200:28:194
73699189183,5cyclictest0-21swapper/1200:28:194
76899188183,4cyclictest0-21swapper/3921:49:0433
76899188183,4cyclictest0-21swapper/3921:49:0433
76899188180,5cyclictest2466-21CPU33
76899188180,5cyclictest2466-21CPU33
72599188185,2cyclictest11880-21kworker/u81:5+events_unbound00:31:0723
72599188185,2cyclictest11880-21kworker/u81:5+events_unbound00:31:0723
76899187182,4cyclictest0-21swapper/3922:33:0033
76899187182,4cyclictest0-21swapper/3922:33:0033
76899187180,5cyclictest0-21swapper/3921:20:2333
76899187180,5cyclictest0-21swapper/3921:20:2333
76899186180,5cyclictest0-21swapper/3919:40:1133
76899186180,5cyclictest0-21swapper/3919:40:1133
76899186180,4cyclictest0-21swapper/3923:51:5033
76899186180,4cyclictest0-21swapper/3923:51:4933
76899186180,4cyclictest0-21swapper/3923:14:4533
76899186180,4cyclictest0-21swapper/3923:14:4533
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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