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2025-12-01 - 04:04
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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 Dec 01, 2025 01:01:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
336399243217,11cyclictest0-21swapper/3222:25:2026
336399243217,11cyclictest0-21swapper/3222:25:2026
333999231199,13cyclictest14560-21NetworkChangeNo23:05:213
333999231199,13cyclictest14560-21NetworkChangeNo23:05:213
333999231199,13cyclictest14560-21NetworkChangeNo23:05:213
3349992286,211cyclictest0-21swapper/1923:05:2011
3349992286,211cyclictest0-21swapper/1923:05:2011
3349992286,211cyclictest0-21swapper/1923:05:2011
33369921968,137cyclictest0-21swapper/921:05:2039
33369921968,137cyclictest0-21swapper/921:05:2039
332899213210,2cyclictest0-21swapper/220:20:2312
332899213210,2cyclictest0-21swapper/220:20:2312
335099211198,3cyclictest0-21swapper/2021:20:1913
335099211198,3cyclictest0-21swapper/2021:20:1913
33469920883,86cyclictest36795-21nfsd21:40:189
33469920883,86cyclictest36795-21nfsd21:40:189
33569920571,118cyclictest0-21swapper/2623:05:2019
33569920571,118cyclictest0-21swapper/2623:05:2019
33569920571,118cyclictest0-21swapper/2623:05:2019
334099204184,5cyclictest40320-21inotify_reader22:40:204
334099204184,5cyclictest40320-21inotify_reader22:40:204
334099204184,5cyclictest40320-21inotify_reader22:40:204
3356992001,104cyclictest0-21swapper/2621:30:2219
3356992001,104cyclictest0-21swapper/2621:30:2219
33749919817,163cyclictest0-21swapper/3922:55:1933
33749919817,163cyclictest0-21swapper/3922:55:1933
33749919817,163cyclictest0-21swapper/3922:55:1933
3331991981,120cyclictest0-21swapper/520:20:2135
3331991981,120cyclictest0-21swapper/520:20:2135
3351991977,17cyclictest191-21ksoftirqd/2119:10:2014
3351991977,17cyclictest191-21ksoftirqd/2119:10:2014
335099197181,7cyclictest0-21swapper/2021:50:1913
335099197181,7cyclictest0-21swapper/2021:50:1913
33689919313,90cyclictest31804-21inotify_reader20:25:1930
334099193185,4cyclictest2931-21qemu-system-x8622:35:214
334099193185,4cyclictest2931-21qemu-system-x8622:35:214
334099193185,4cyclictest2931-21qemu-system-x8622:35:214
3346991921,185cyclictest0-21swapper/1722:50:219
3346991921,185cyclictest0-21swapper/1722:50:219
3356991911,187cyclictest0-21swapper/2622:07:3519
3356991911,187cyclictest0-21swapper/2622:07:3519
3356991911,187cyclictest0-21swapper/2622:07:3519
3356991911,185cyclictest0-21swapper/2620:10:2119
3356991911,185cyclictest0-21swapper/2620:10:2119
3356991900,178cyclictest0-21swapper/2622:04:0119
3356991900,178cyclictest0-21swapper/2622:04:0119
334899190175,4cyclictest25750-21sshd23:40:1910
334899190175,4cyclictest25750-21sshd23:40:1910
334899190175,4cyclictest25750-21sshd23:40:1910
3336991901,154cyclictest0-21swapper/900:30:2039
3336991901,154cyclictest0-21swapper/900:30:2039
3336991901,154cyclictest0-21swapper/900:30:2039
33329918925,81cyclictest32879-21inotify_reader21:25:2036
33329918925,81cyclictest32879-21inotify_reader21:25:2036
3356991881,178cyclictest0-21swapper/2621:59:4019
3356991881,178cyclictest0-21swapper/2621:59:3919
3356991881,178cyclictest0-21swapper/2621:59:3919
335899187168,13cyclictest0-21swapper/2821:48:4521
335899187168,13cyclictest0-21swapper/2821:48:4521
335899187168,13cyclictest0-21swapper/2821:48:4521
335399187171,14cyclictest0-21swapper/2322:05:3616
335399187171,14cyclictest0-21swapper/2322:05:3616
335399187171,14cyclictest0-21swapper/2322:05:3616
3346991867,170cyclictest0-21swapper/1721:25:199
3346991867,170cyclictest0-21swapper/1721:25:199
3336991861,114cyclictest11893-21qemu-system-x8623:20:1939
3336991861,114cyclictest11893-21qemu-system-x8623:20:1939
3336991861,114cyclictest11893-21qemu-system-x8623:20:1939
3362991857,13cyclictest0-21swapper/3122:45:1925
3362991857,13cyclictest0-21swapper/3122:45:1925
3362991857,13cyclictest0-21swapper/3122:45:1925
33439918533,142cyclictest13093-21NetworkChangeNo20:50:217
33439918533,142cyclictest13093-21NetworkChangeNo20:50:217
335899184173,7cyclictest0-21swapper/2821:31:2721
335899184173,7cyclictest0-21swapper/2821:31:2721
3356991831,13cyclictest0-21swapper/2622:10:4419
3356991831,13cyclictest0-21swapper/2622:10:4419
3356991831,13cyclictest0-21swapper/2622:10:4419
33319918320,155cyclictest34107-21inotify_reader21:30:2035
33319918320,155cyclictest34107-21inotify_reader21:30:2035
33589918225,21cyclictest21538-21inotify_reader20:20:2121
33589918225,21cyclictest21538-21inotify_reader20:20:2121
3332991821,101cyclictest0-21swapper/621:20:1736
3332991821,101cyclictest0-21swapper/621:20:1736
3353991811,39cyclictest20796-21inotify_reader21:25:2016
3353991811,39cyclictest20796-21inotify_reader21:25:2016
335399180156,15cyclictest0-21swapper/2323:19:2916
335399180156,15cyclictest0-21swapper/2323:19:2916
335399180156,15cyclictest0-21swapper/2323:19:2916
33529918013,158cyclictest13053-21NetworkChangeNo20:10:2115
33529918013,158cyclictest13053-21NetworkChangeNo20:10:2115
33379918057,83cyclictest11323-21inotify_reader23:50:192
33379918057,83cyclictest11323-21inotify_reader23:50:192
335899179156,14cyclictest0-21swapper/2823:10:5121
335899179156,14cyclictest0-21swapper/2823:10:5121
335399179133,21cyclictest171rcu_preempt19:20:4916
3346991791,173cyclictest0-21swapper/1721:20:189
3346991791,173cyclictest0-21swapper/1721:20:189
3331991791,4cyclictest30745-21inotify_reader22:50:2135
3331991791,4cyclictest30745-21inotify_reader22:50:2135
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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