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2025-11-28 - 23:02
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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 20 highest latencies:
System rack4slot3.osadl.org (updated Fri Nov 28, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1885211917,22sleep01883-21ntp_states07:08:410
29199910026,65cyclictest19751-21missed_timers08:03:450
2919999826,63cyclictest3460-21latency07:13:410
2919999822,67cyclictest8585-21idleruntime12:28:320
2919999813,75cyclictest11921-21switchtime07:38:590
387029414,16sleep03871-21memory12:13:430
2919999423,62cyclictest3533-21runrttasks08:47:300
2919999414,71cyclictest6787-21missed_timers07:23:440
2919999332,51cyclictest41ktimersoftd/008:15:300
2919999314,69cyclictest5986-21munin-node12:19:070
2919999313,70cyclictest21005-21aten_r4power_en09:48:190
2811429314,17sleep028112-21ntp_states10:08:520
1555629314,16sleep03314-21lldpd09:29:400
291999929,22cyclictest263650irq/5-eth110:21:240
291999928,74cyclictest10040-21munin-node12:33:260
2919999215,68cyclictest5121-21munin-node07:18:430
2919999214,69cyclictest3533-21runrttasks09:03:190
896529114,15sleep08993-21timerandwakeup10:49:020
2919999123,59cyclictest6944-21latency10:43:390
2919999123,32cyclictest21754-21timerwakeupswit08:09:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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