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2026-03-21 - 04:31
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4.osadl.org (updated Sat Mar 21, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3448252993532,2cyclictest3761184-21sh00:15:002
344824899311,26cyclictest0-21swapper/023:40:120
3448258992923,4cyclictest3777086-21tr00:30:173
3448258992923,4cyclictest3777086-21tr00:30:163
3448248992918,9cyclictest3606615-21cron21:45:000
344824899290,27cyclictest261-21systemd-journal23:00:010
344824899290,27cyclictest0-21swapper/022:00:120
344824899281,25cyclictest0-21swapper/022:25:120
344824899281,24cyclictest3700256-21apt-get23:15:110
344824899280,26cyclictest0-21swapper/022:20:160
344825899272,22cyclictest0-21swapper/322:00:133
344824999271,21cyclictest3479605-21apt-get19:40:111
3448248992719,6cyclictest3615877-21ntpq21:50:240
344824899271,23cyclictest3776597-21apt-get00:30:130
344824899271,23cyclictest3776597-21apt-get00:30:120
344824899271,22cyclictest3715825-21apt-get23:30:120
344824899270,24cyclictest0-21swapper/019:50:120
344824899270,12cyclictest3761349-21sed00:15:010
344825899261,21cyclictest3611946-21apt-get21:50:133
3448248992619,6cyclictest0-21swapper/022:50:130
3448248992619,6cyclictest0-21swapper/020:05:210
3448248992613,11cyclictest0-21swapper/020:35:000
344824899261,21cyclictest3741165-21apt-get23:55:130
344824899260,24cyclictest3581347-21cron21:19:590
344825899253,2cyclictest3674450-21apt-get22:50:133
344825899252,20cyclictest3746246-21apt-get00:00:103
344825899252,1cyclictest3725977-21apt-get23:40:113
3448258992520,3cyclictest3751345-21apt-get00:05:123
3448258992520,3cyclictest0-21swapper/322:25:123
344825899251,20cyclictest3771541-21apt-get00:25:113
3448248992514,10cyclictest3530782-21cron20:30:000
344824899251,3cyclictest3510818-21apt-get20:10:110
344824899251,21cyclictest0-21swapper/021:55:110
344824899251,21cyclictest0-21swapper/000:05:110
344824899251,20cyclictest0-21swapper/021:45:100
344824899250,24cyclictest0-21swapper/000:00:200
344824899250,12cyclictest3673331-21collect222:45:200
344825899242,2cyclictest3542118-21seq20:40:173
3448258992422,1cyclictest0-21swapper/323:00:003
344825899242,20cyclictest3705716-21apt-get23:20:123
3448258992419,3cyclictest0-21swapper/323:15:113
344825899241,1cyclictest0-21swapper/300:10:123
344825899240,21cyclictest3710770-21apt-get23:25:123
344825299241,21cyclictest3586698-21apt-get21:25:112
344825299241,20cyclictest3505768-21apt-get20:05:122
3448249992419,3cyclictest3458963-21apt-get19:20:101
344824999241,2cyclictest3664341-21apt-get22:40:101
344824999241,21cyclictest3536113-21apt-get20:35:131
344824999241,20cyclictest3617384-21apt-get21:55:021
344824999240,22cyclictest3766265-21grep00:19:591
344824999240,21cyclictest3654233-21sed22:30:141
344824999240,20cyclictest0-21swapper/120:10:111
3448248992420,2cyclictest3556324-21apt-get20:55:110
3448248992419,3cyclictest0-21swapper/019:45:110
344824899241,21cyclictest0-21swapper/023:35:130
344824899241,20cyclictest0-21swapper/021:00:120
344824899241,11cyclictest3543094-21tr20:40:180
344824899241,11cyclictest3475035-21ps19:35:160
344824899240,5cyclictest0-21swapper/021:10:110
344824899240,21cyclictest0-21swapper/022:35:120
344824899240,12cyclictest3525341-21chrt20:20:340
3448258992320,2cyclictest3531058-21apt-get20:30:133
3448258992320,1cyclictest3490606-21apt-get19:50:123
344825899231,20cyclictest3566433-21apt-get21:05:113
344825899231,20cyclictest3448806-21apt-get19:10:103
344825899231,20cyclictest3448806-21apt-get19:10:103
344825899231,19cyclictest0-21swapper/322:35:123
344825899230,21cyclictest0-21swapper/323:30:113
344825899230,20cyclictest3731979-21taskset23:45:163
344825899230,20cyclictest3685028-21apt-get23:00:113
344825899230,1cyclictest0-21swapper/321:10:113
344825299232,20cyclictest3485104-21apt-get19:45:122
3448252992319,2cyclictest3633077-21apt-get22:10:112
344825299231,2cyclictest3453885-21apt-get19:15:122
3448249992319,2cyclictest3690126-21apt-get23:05:111
3448249992318,3cyclictest3632823-21idleruntime-cro22:10:011
3448249992318,3cyclictest3525726-21munin-run20:25:001
344824999231,20cyclictest0-21swapper/121:30:141
344824999230,21cyclictest3520632-21cron20:20:011
344824999230,20cyclictest0-21swapper/123:20:121
344824999230,20cyclictest0-21swapper/123:15:111
344824999230,20cyclictest0-21swapper/100:30:131
344824999230,20cyclictest0-21swapper/100:30:121
344824899233,8cyclictest3685358-21gltestperf23:00:130
3448248992319,2cyclictest0-21swapper/022:10:110
3448248992319,2cyclictest0-21swapper/000:25:110
3448248992318,3cyclictest0-21swapper/022:15:110
3448248992318,3cyclictest0-21swapper/020:50:110
3448248992317,5cyclictest0-21swapper/020:45:100
3448248992317,5cyclictest0-21swapper/000:35:110
344824899231,3cyclictest3591496-21munin-run21:30:000
3448248992313,9cyclictest3484418-21turbostat19:45:000
344824899231,2cyclictest0-21swapper/000:15:120
344824899231,21cyclictest0-21swapper/023:45:160
344824899231,10cyclictest3714620-21awk23:25:200
344824899230,5cyclictest0-21swapper/021:35:140
344824899230,20cyclictest0-21swapper/019:55:130
344824899230,12cyclictest3690470-21gltestperf23:05:130
344824899230,12cyclictest3664521-21fschecks_count22:40:130
344824899230,10cyclictest3592235-21ps21:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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