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2026-04-18 - 07:23
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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 Apr 18, 2026 01:01:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
166499232225,5cyclictest0-21swapper/223:02:4412
166499232225,5cyclictest0-21swapper/223:02:4312
166799229215,9cyclictest0-21swapper/523:39:5935
166799229215,9cyclictest0-21swapper/523:39:5935
166599227221,4cyclictest0-21swapper/323:05:2823
166599227221,4cyclictest0-21swapper/323:05:2823
168299223207,8cyclictest0-21swapper/2022:29:2313
168299223207,8cyclictest0-21swapper/2022:29:2313
168299223207,8cyclictest0-21swapper/2022:29:2213
168799221208,6cyclictest0-21swapper/2523:10:0118
168799221208,6cyclictest0-21swapper/2523:10:0118
166799219194,23cyclictest0-21swapper/500:21:0635
166799219194,23cyclictest0-21swapper/500:21:0535
166799218209,7cyclictest0-21swapper/500:01:5435
166799218209,7cyclictest0-21swapper/500:01:5435
166799216207,5cyclictest3545-21CPU35
166799216207,5cyclictest3545-21CPU35
166799215208,3cyclictest0-21swapper/523:41:0535
166799215208,3cyclictest0-21swapper/523:41:0435
166799211207,2cyclictest0-21swapper/522:40:1735
166799211207,2cyclictest0-21swapper/522:40:1735
166799211203,6cyclictest0-21swapper/522:27:4035
166799211203,6cyclictest0-21swapper/522:27:4035
166799211203,6cyclictest0-21swapper/522:27:4035
1676992100,53cyclictest0-21swapper/1423:50:136
1676992100,53cyclictest0-21swapper/1423:50:136
166799209204,4cyclictest0-21swapper/523:28:4235
166799209204,4cyclictest0-21swapper/523:28:4235
166799209200,6cyclictest0-21swapper/522:35:5235
166799209200,6cyclictest0-21swapper/522:35:5135
166799209200,5cyclictest3548-21CPU35
166799209200,5cyclictest3548-21CPU35
166799208202,3cyclictest28371-21sshd00:10:0135
166799208202,3cyclictest28371-21sshd00:10:0035
166799208202,3cyclictest28371-21sshd00:10:0035
168299207188,16cyclictest3548-21CPU13
168299207188,16cyclictest3548-21CPU13
166799207201,4cyclictest2466-21CPU35
166799207201,4cyclictest2466-21CPU35
166799207199,6cyclictest0-21swapper/522:19:0435
166799207199,6cyclictest0-21swapper/522:19:0335
166799207196,8cyclictest0-21swapper/523:20:2235
166799207196,8cyclictest0-21swapper/523:20:2235
166799206200,4cyclictest0-21swapper/523:52:5635
166799206200,4cyclictest0-21swapper/523:52:5635
166799206196,8cyclictest34988-21uname00:10:2235
166799206196,8cyclictest34988-21uname00:10:2235
166499206190,14cyclictest0-21swapper/222:00:0612
166599205199,4cyclictest0-21swapper/321:00:2723
166599205199,4cyclictest0-21swapper/321:00:2623
166799204198,3cyclictest29996-21systemd-cgroups23:30:1635
166799204198,3cyclictest29996-21systemd-cgroups23:30:1635
166599204199,4cyclictest0-21swapper/319:15:0023
166599204199,4cyclictest0-21swapper/319:15:0023
166799203196,5cyclictest0-21swapper/522:45:2735
166799203196,5cyclictest0-21swapper/522:45:2735
166799203196,5cyclictest0-21swapper/522:45:2635
166799202193,6cyclictest0-21swapper/522:31:2235
166799202193,6cyclictest0-21swapper/522:31:2135
166799202193,6cyclictest0-21swapper/522:31:2135
166599202191,9cyclictest0-21swapper/321:35:1823
166599202191,9cyclictest0-21swapper/321:35:1823
167099201190,8cyclictest0-21swapper/822:43:0538
167099201190,8cyclictest0-21swapper/822:43:0538
166799201194,5cyclictest0-21swapper/520:45:2635
166799201194,5cyclictest0-21swapper/520:45:2535
166499201185,12cyclictest0-21swapper/200:31:5012
166499201185,12cyclictest0-21swapper/200:31:4912
170399200181,10cyclictest0-21swapper/3621:24:4030
170399200181,10cyclictest0-21swapper/3621:24:3930
166899200187,10cyclictest0-21swapper/623:53:5236
166899200187,10cyclictest0-21swapper/623:53:5136
166799199194,4cyclictest0-21swapper/523:57:5435
166799199194,4cyclictest0-21swapper/523:57:5435
166799199194,4cyclictest0-21swapper/523:57:5335
166599199188,8cyclictest0-21swapper/321:12:0023
166599199188,8cyclictest0-21swapper/321:12:0023
167099198180,9cyclictest0-21swapper/822:04:4038
167099198180,9cyclictest0-21swapper/822:04:4038
166799198191,5cyclictest0-21swapper/500:16:0835
166799198191,5cyclictest0-21swapper/500:16:0835
166799198191,5cyclictest0-21swapper/500:16:0735
168999197193,2cyclictest0-21swapper/2719:50:2920
168999197193,2cyclictest0-21swapper/2719:50:2820
166599197191,4cyclictest0-21swapper/321:45:0223
166599197191,4cyclictest0-21swapper/321:45:0223
166599197189,7cyclictest0-21swapper/322:02:2623
166599197189,7cyclictest0-21swapper/322:02:2623
166599197178,17cyclictest0-21swapper/320:20:0123
167699196162,32cyclictest0-21swapper/1421:10:576
167699196162,32cyclictest0-21swapper/1421:10:576
167199196185,9cyclictest0-21swapper/923:01:1739
167199196185,9cyclictest0-21swapper/923:01:1739
166799196190,4cyclictest0-21swapper/523:19:1435
166799196190,4cyclictest0-21swapper/523:19:1335
166799196190,4cyclictest0-21swapper/523:19:1335
166799196189,4cyclictest0-21swapper/520:50:2235
166799196189,4cyclictest0-21swapper/520:50:2235
166599196183,8cyclictest0-21swapper/300:28:4323
166599196183,8cyclictest0-21swapper/300:28:4223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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