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2026-06-06 - 09:34
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Sat Jun 06, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
342193699292,23cyclictest3483118-21apt-get20:10:121
3421937992825,2cyclictest3524639-21irqcore20:50:162
342193699261,5cyclictest3677064-21idleruntime-cro23:20:001
342193699261,23cyclictest3580402-21ls21:45:001
342194199254,20cyclictest0-21swapper/300:20:163
3421936992519,4cyclictest3753725-21seq00:35:111
3421936992519,4cyclictest3687650-21idleruntime-cro23:29:591
342193699251,4cyclictest3641230-21cron22:45:001
342193699251,22cyclictest3539753-21apt-get21:05:121
342193699251,20cyclictest0-21swapper/121:30:121
342193699251,20cyclictest0-21swapper/100:05:111
342193699250,22cyclictest3713003-21cron23:55:001
342193399252,21cyclictest3570278-21latency_hist21:35:010
3421933992521,2cyclictest3718340-21apt-get00:00:110
342193399251,23cyclictest3671985-21idleruntime-cro23:15:000
3421941992420,2cyclictest3498304-21apt-get20:25:113
342194199241,20cyclictest3437419-21apt-get19:25:123
342193799241,20cyclictest3616186-21apt-get22:20:122
342193799241,20cyclictest3447584-21apt-get19:35:122
3421936992422,1cyclictest0-21swapper/100:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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