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2026-04-09 - 01:53
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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 rack9slot4.osadl.org (updated Wed Apr 08, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18614111878sleep0-21swapper/114:10:341
18741111275sleep0-21swapper/014:10:400
189419910731cyclictest23168-21latency_hist19:35:370
189419910433cyclictest20524-21latency_hist14:15:460
189419910432cyclictest22439-21latency_hist16:05:440
189419910337cyclictest11116-21load17:11:170
189419910332cyclictest26765-21latency_hist14:35:460
189419910237cyclictest4583-21sshd15:06:220
189419910129cyclictest22809-21latency_hist17:50:400
189419910128cyclictest383-21cat18:21:120
189419910128cyclictest383-21cat18:21:120
189419910032cyclictest28311-21latency_hist14:40:450
189419910032cyclictest24707-21if_eth016:11:160
189419910031cyclictest8655-21runrttasks17:05:250
18941999731cyclictest7113-21latency_hist17:00:410
18941999724cyclictest0-21swapper/015:11:180
18941999723cyclictest5609-21/usr/sbin/munin18:36:250
18941999632cyclictest24028-21latency_hist16:10:430
18941999628cyclictest24376-21interrupts14:26:210
18941999527cyclictest25862-21latency_hist18:00:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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