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2026-05-19 - 12:54
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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 50 highest latencies:
System rackeslot4.osadl.org (updated Tue May 19, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2697568993413,16cyclictest2978216-21nvmesmart_nvme023:40:211
269756899330,4cyclictest3009852-21chrt00:15:001
269756899312,25cyclictest2702853-21apt-get19:15:141
269756899301,1cyclictest2886319-21cron22:15:001
269756899300,3cyclictest2963461-21sh23:30:011
269756899300,3cyclictest2963461-21sh23:30:001
269756899300,20cyclictest2906930-21cut22:35:011
269756899291,20cyclictest2861195-21apt-get21:50:111
269756899290,19cyclictest0-21swapper/120:25:031
269757399282,22cyclictest2784041-21apt-get20:35:133
269756899280,27cyclictest2896718-21apt-get22:25:121
269756899280,20cyclictest3030184-21idleruntime-cro00:35:001
269757399270,24cyclictest2948567-21grep23:15:193
269757399270,24cyclictest2948567-21grep23:15:183
2697568992723,2cyclictest0-21swapper/121:15:181
2697568992719,7cyclictest0-21swapper/120:40:161
269757399264,21cyclictest2896442-21cron22:24:593
269757399262,21cyclictest2723204-21apt-get19:35:193
269757399261,21cyclictest0-21swapper/321:15:143
2697571992619,4cyclictest2804301-21apt-get20:55:112
2697568992619,5cyclictest2840130-21apt-get21:30:111
269756899260,19cyclictest0-21swapper/100:20:211
269757399251,21cyclictest2743471-21apt-get19:55:133
269757399251,21cyclictest0-21swapper/300:10:123
269757399251,20cyclictest0-21swapper/320:25:113
2697571992521,2cyclictest2927872-21apt-get22:55:132
269757199251,21cyclictest0-21swapper/220:10:122
269756899253,20cyclictest2927602-21sh22:54:591
2697568992519,4cyclictest2783760-21cron20:35:001
2697568992516,8cyclictest2759184-21grep20:10:171
269756899251,21cyclictest2891687-21apt-get22:20:101
269756899251,20cyclictest2718084-21apt-get19:30:121
269756899250,22cyclictest0-21swapper/123:20:131
269756899250,19cyclictest0-21swapper/121:05:121
269756499252,2cyclictest2829999-21apt-get21:20:110
269756499251,21cyclictest2984350-21apt-get23:50:130
269756499250,24cyclictest3777322-21systemd-journal20:10:000
2697573992419,3cyclictest2871309-21apt-get22:00:133
2697573992415,6cyclictest0-21swapper/321:00:003
269757399241,20cyclictest2937956-21apt-get23:05:113
269757399241,20cyclictest0-21swapper/323:35:113
269757399241,20cyclictest0-21swapper/320:15:113
269757399241,20cyclictest0-21swapper/319:15:143
269757399240,21cyclictest0-21swapper/322:50:113
269757399240,21cyclictest0-21swapper/321:35:113
269757399240,20cyclictest2917080-21apt-get22:45:023
269757199242,2cyclictest2968784-21apt-get23:35:112
269757199242,2cyclictest2963730-21apt-get23:30:122
2697571992420,3cyclictest0-21swapper/219:15:182
2697571992420,2cyclictest3777322-21systemd-journal23:30:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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