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2025-12-13 - 21:47
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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 Dec 13, 2025 12:59:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2671599197170,9cyclictest0-21swapper/3412:36:4528
2671599197170,9cyclictest0-21swapper/3412:36:4528
2668099192162,10cyclictest0-21swapper/412:16:5534
2668099192162,10cyclictest0-21swapper/412:16:5534
2670799189169,12cyclictest0-21swapper/2712:09:4020
2670799189169,12cyclictest0-21swapper/2712:09:4020
2670799189169,12cyclictest0-21swapper/2712:09:4020
2670799188171,5cyclictest0-21swapper/2710:24:5920
2670799188171,5cyclictest0-21swapper/2710:24:5920
2670799188171,5cyclictest0-21swapper/2710:24:5920
2670799187178,7cyclictest0-21swapper/2709:34:2520
2670799187178,7cyclictest0-21swapper/2709:34:2520
2668099187178,7cyclictest0-21swapper/411:40:3234
2668099187178,7cyclictest0-21swapper/411:40:3234
2668099187178,7cyclictest0-21swapper/411:40:3234
2670799186126,33cyclictest2464-21CPU20
2670799186104,71cyclictest3544-21CPU20
2670799186104,71cyclictest3544-21CPU20
2668299186140,32cyclictest0-21swapper/611:35:3136
2668299186140,32cyclictest0-21swapper/611:35:3136
2668099186155,7cyclictest0-21swapper/412:14:0034
2668099186155,7cyclictest0-21swapper/412:14:0034
2668099185168,15cyclictest0-21swapper/407:23:2734
2668099185168,15cyclictest0-21swapper/407:23:2734
2669099184147,24cyclictest3541-21CPU5
2669099184147,24cyclictest3541-21CPU5
2669099184147,24cyclictest3541-21CPU5
2668099184171,10cyclictest0-21swapper/411:10:3934
2668099184171,10cyclictest0-21swapper/411:10:3934
2668099184171,10cyclictest0-21swapper/411:10:3934
2667699184178,4cyclictest23343-21systemd-cgroups12:06:110
2667699184178,4cyclictest23343-21systemd-cgroups12:06:110
2667699184178,4cyclictest23343-21systemd-cgroups12:06:110
2671199183166,8cyclictest0-21swapper/3012:34:3124
2671199183166,8cyclictest0-21swapper/3012:34:3124
2671199183166,8cyclictest0-21swapper/3012:34:3124
2670799183161,8cyclictest0-21swapper/2708:12:4620
2670799183161,8cyclictest0-21swapper/2708:12:4620
2667699183142,17cyclictest171rcu_preempt10:19:070
2667699183142,17cyclictest171rcu_preempt10:19:070
2669099181164,7cyclictest0-21swapper/1311:06:575
2669099181164,7cyclictest0-21swapper/1311:06:575
2669099181164,7cyclictest0-21swapper/1311:06:575
2668099180171,6cyclictest0-21swapper/410:49:5534
2668099180171,6cyclictest0-21swapper/410:49:5534
26682991781,171cyclictest0-21swapper/612:30:1336
26682991781,171cyclictest0-21swapper/612:30:1336
26682991781,171cyclictest0-21swapper/612:30:1336
2667699178165,6cyclictest0-21swapper/012:40:070
2667699177167,7cyclictest1363-21avahi-daemon12:22:380
2667699177167,7cyclictest1363-21avahi-daemon12:22:380
2667699177160,15cyclictest0-21swapper/010:42:270
2667699177160,15cyclictest0-21swapper/010:42:270
2667699177160,15cyclictest0-21swapper/010:42:270
2668299175136,31cyclictest0-21swapper/611:42:1936
2668299175136,31cyclictest0-21swapper/611:42:1936
2668299175136,31cyclictest0-21swapper/611:42:1936
2668099175166,7cyclictest0-21swapper/412:27:5534
2668099175166,7cyclictest0-21swapper/412:27:5534
2668099175160,14cyclictest0-21swapper/411:52:0334
2668099175160,14cyclictest0-21swapper/411:52:0334
2670799174122,7cyclictest0-21swapper/2709:13:0820
2670799174122,7cyclictest0-21swapper/2709:13:0820
2670799174122,7cyclictest0-21swapper/2709:13:0820
2670799174103,58cyclictest3544-21CPU20
2670799174103,58cyclictest3544-21CPU20
2668099174156,15cyclictest0-21swapper/410:16:4734
2668099174156,15cyclictest0-21swapper/410:16:4734
267119917398,55cyclictest3546-21CPU24
267119917398,55cyclictest3546-21CPU24
2670699173155,16cyclictest0-21swapper/2610:22:2019
2670699173155,16cyclictest0-21swapper/2610:22:2019
2670699173155,16cyclictest0-21swapper/2610:22:2019
2669699173161,2cyclictest0-21swapper/1811:46:0710
2669699173161,2cyclictest0-21swapper/1811:46:0710
2670399172158,12cyclictest0-21swapper/2307:22:1716
2670399172158,12cyclictest0-21swapper/2307:22:1716
2668999172144,12cyclictest0-21swapper/1212:03:234
2668999172144,12cyclictest0-21swapper/1212:03:234
2668099172149,13cyclictest0-21swapper/409:01:2934
2668099172149,13cyclictest0-21swapper/409:01:2934
2667999172154,7cyclictest0-21swapper/309:54:4523
2667999172154,7cyclictest0-21swapper/309:54:4523
2667699172147,21cyclictest0-21swapper/009:45:440
2667699172147,21cyclictest0-21swapper/009:45:440
2670399171147,5cyclictest0-21swapper/2309:20:5216
2670399171147,5cyclictest0-21swapper/2309:20:5216
266839917123,134cyclictest0-21swapper/710:02:5337
266839917123,134cyclictest0-21swapper/710:02:5337
266839917123,134cyclictest0-21swapper/710:02:5337
2668099171154,9cyclictest0-21swapper/410:14:4634
2668099171154,9cyclictest0-21swapper/410:14:4634
2670699170141,24cyclictest0-21swapper/2611:33:2819
2670699170141,24cyclictest0-21swapper/2611:33:2819
2669399170131,36cyclictest0-21swapper/1610:02:338
2669399170131,36cyclictest0-21swapper/1610:02:338
2669399170131,36cyclictest0-21swapper/1610:02:338
2668299170141,22cyclictest0-21swapper/610:32:5636
2668299170141,22cyclictest0-21swapper/610:32:5636
2668299170141,22cyclictest0-21swapper/610:32:5636
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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