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2025-11-24 - 20:02
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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 Nov 24, 2025 13:01:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
85369928513,250cyclictest32490-21bash12:00:1736
85369928513,250cyclictest32490-21bash12:00:1736
85369928513,250cyclictest32490-21bash12:00:1736
85369927130,226cyclictest3895-21TaskSchedulerSi08:00:1736
85369927130,226cyclictest3895-21TaskSchedulerSi08:00:1736
8536992447,219cyclictest39033-21inotify_reader11:40:1936
8536992447,219cyclictest39033-21inotify_reader11:40:1936
853899224201,5cyclictest15983-21CPU38
853899224201,5cyclictest15983-21CPU38
853899224201,5cyclictest15983-21CPU38
8535992242,210cyclictest0-21swapper/510:15:1535
8535992242,210cyclictest0-21swapper/510:15:1535
8535992242,210cyclictest0-21swapper/510:15:1535
85369921713,195cyclictest0-21swapper/612:20:1836
85369921713,195cyclictest0-21swapper/612:20:1736
85539921610,196cyclictest19654-21inotify_reader10:55:1815
85539921610,196cyclictest19654-21inotify_reader10:55:1815
85539921610,196cyclictest19654-21inotify_reader10:55:1715
85599921513,4cyclictest37888-21NetworkChangeNo10:40:2019
85599921513,4cyclictest37888-21NetworkChangeNo10:40:2019
85599921513,4cyclictest37888-21NetworkChangeNo10:40:2019
8535992142,200cyclictest4635-21CPU35
8535992142,200cyclictest4635-21CPU35
8535992142,200cyclictest4635-21CPU35
85369921122,180cyclictest3079-21CPU36
85369921122,180cyclictest3079-21CPU36
85369921122,180cyclictest3079-21CPU36
85359921096,91cyclictest3070-21lxd07:37:2435
85369920831,173cyclictest1902-21gdbus09:45:1436
85369920831,173cyclictest1902-21gdbus09:45:1436
8576992052,13cyclictest0-21swapper/3809:25:2032
8576992052,13cyclictest0-21swapper/3809:25:2032
8535992051,201cyclictest0-21swapper/507:25:3735
8535992051,201cyclictest0-21swapper/507:25:3735
85319920532,170cyclictest16230-21inotify_reader09:50:1912
85319920532,170cyclictest16230-21inotify_reader09:50:1812
855699201179,4cyclictest28343-21NetworkChangeNo10:15:1618
855699201179,4cyclictest28343-21NetworkChangeNo10:15:1618
855699201179,4cyclictest28343-21NetworkChangeNo10:15:1518
8541992001,191cyclictest0-21swapper/1109:35:193
8541992001,191cyclictest0-21swapper/1109:35:193
8536992006,187cyclictest0-21swapper/609:34:5336
8536992006,187cyclictest0-21swapper/609:34:5336
8536992006,187cyclictest0-21swapper/609:34:5336
853599199109,84cyclictest11901-21CPU35
853599199109,84cyclictest11901-21CPU35
8569991981,188cyclictest0-21swapper/3609:55:1930
8569991981,188cyclictest0-21swapper/3609:55:1830
8536991988,168cyclictest0-21swapper/611:10:1936
8536991988,168cyclictest0-21swapper/611:10:1936
8536991988,168cyclictest0-21swapper/611:10:1936
8576991961,9cyclictest19887-21inotify_reader09:35:1932
8576991961,9cyclictest19887-21inotify_reader09:35:1932
856599196143,34cyclictest21356-21NetworkChangeNo10:55:1926
856599196143,34cyclictest21356-21NetworkChangeNo10:55:1826
856599196143,34cyclictest21356-21NetworkChangeNo10:55:1826
85369919627,163cyclictest0-21swapper/609:54:5936
85369919627,163cyclictest0-21swapper/609:54:5936
853599195129,61cyclictest4637-21CPU35
853599195129,61cyclictest4637-21CPU35
853699194162,20cyclictest0-21swapper/611:28:5536
853699194162,20cyclictest0-21swapper/611:28:5536
853699194160,26cyclictest0-21swapper/611:04:3236
853699194160,26cyclictest0-21swapper/611:04:3236
853699194160,26cyclictest0-21swapper/611:04:3136
85319919420,83cyclictest30843-21inotify_reader11:25:2012
85319919420,83cyclictest30843-21inotify_reader11:25:1912
85369919338,147cyclictest15985-21CPU36
85369919338,147cyclictest15985-21CPU36
8531991938,181cyclictest32015-21inotify_reader10:35:2012
8531991938,181cyclictest32015-21inotify_reader10:35:2012
8531991938,181cyclictest32015-21inotify_reader10:35:2012
8576991921,187cyclictest775-21inotify_reader09:20:1832
8576991921,187cyclictest775-21inotify_reader09:20:1832
8576991921,187cyclictest775-21inotify_reader09:20:1832
8569991926,182cyclictest29476-21NetworkChangeNo10:15:1630
8569991926,182cyclictest29476-21NetworkChangeNo10:15:1630
8569991926,182cyclictest29476-21NetworkChangeNo10:15:1630
85419919274,107cyclictest0-21swapper/1110:35:163
85419919274,107cyclictest0-21swapper/1110:35:163
85419919274,107cyclictest0-21swapper/1110:35:153
85369919237,153cyclictest0-21swapper/610:33:3036
85369919237,153cyclictest0-21swapper/610:33:3036
85369919237,153cyclictest0-21swapper/610:33:3036
85369919229,155cyclictest15979-21CPU36
85369919229,155cyclictest15979-21CPU36
85359919254,132cyclictest0-21swapper/511:00:1735
85359919254,132cyclictest0-21swapper/511:00:1735
85359919254,132cyclictest0-21swapper/511:00:1735
85709919184,99cyclictest3078-21CPU31
85709919184,99cyclictest3078-21CPU31
853599191141,42cyclictest0-21swapper/512:29:3935
853599191141,42cyclictest0-21swapper/512:29:3935
853599191141,42cyclictest0-21swapper/512:29:3835
853399191184,5cyclictest36792-21nfsd09:40:0123
853399191184,5cyclictest36792-21nfsd09:40:0123
85369919074,112cyclictest0-21swapper/610:25:1536
85369919074,112cyclictest0-21swapper/610:25:1536
85369919074,112cyclictest0-21swapper/610:25:1536
85369919030,157cyclictest0-21swapper/611:08:0736
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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