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2026-08-13 - 15:20
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot2.osadl.org (updated Thu Aug 13, 2026 12:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3075970999285,5cyclictest3136670-21kworker/u4:10+events_unbound09:50:380
3075970998645,10cyclictest53-21kswapd010:20:060
3075970997839,8cyclictest3192978-21/usr/sbin/munin10:45:210
3075972997769,5cyclictest3145102-21kworker/u4:2+events_unbound09:59:591
3075970997562,8cyclictest3223683-21apt-get11:20:120
3075970997562,8cyclictest3223683-21apt-get11:20:110
3075972997128,40cyclictest0-21swapper/109:10:291
3075972997128,40cyclictest0-21swapper/109:10:291
3075972997033,34cyclictest0-21swapper/110:25:241
3075970997055,8cyclictest3189950-21kworker/u4:11-xprtiod10:41:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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