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2026-03-30 - 12:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Mon Mar 30, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245334422430,3chrt2453343-21/usr/sbin/munin22:10:100
247015322300,4chrt2470151-21diskstats23:10:180
247827822160,2sleep02478279-21munin-run23:40:000
240868022120,2sleep02408682-21sort19:30:060
240307099207175,20cyclictest2428163-21kworker/u2:220:55:040
240307099205175,19cyclictest2478306-21kworker/u2:200:15:040
241176722040,3sleep02411769-21grep19:40:270
244157421970,2sleep02441576-21grep21:26:240
240307099194164,19cyclictest2454605-21kworker/u2:222:20:040
240307099191161,19cyclictest2478306-21kworker/u2:200:06:200
240307099184156,18cyclictest2439746-21kworker/u2:121:35:060
240307099183151,20cyclictest2415606-21kworker/u2:120:15:030
246725321820,2sleep02467255-21sed23:00:080
243534621820,3sleep02435347-21cat21:05:220
240307099181151,19cyclictest2428163-21kworker/u2:221:05:060
240307099180149,19cyclictest2488090-21kworker/u2:000:20:040
240307099180148,20cyclictest2488090-21kworker/u2:000:21:230
242677521790,3chrt2426777-21latency_hist20:35:050
240307099178147,20cyclictest2475997-21kworker/u2:123:31:180
240307099176147,18cyclictest2428163-21kworker/u2:220:45:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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