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2026-03-18 - 05:19
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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 highest latencies:
System rack4slot1.osadl.org (updated Tue Mar 17, 2026 19:31:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2057228810,2sleep227-21ksoftirqd/219:11:552
2057228810,2sleep227-21ksoftirqd/219:11:552
2076924470,1sleep121-21ksoftirqd/119:11:581
2076924470,1sleep121-21ksoftirqd/119:11:581
2045121390,1sleep012-21ksoftirqd/019:11:530
2045121390,1sleep012-21ksoftirqd/019:11:530
233662600,4sleep10-21swapper/119:21:391
225212470,3sleep20-21swapper/219:16:532
225212470,3sleep20-21swapper/219:16:532
258362460,2sleep10-21swapper/119:26:451
258362460,2sleep10-21swapper/119:26:451
203812395,26sleep30-21swapper/319:11:523
203812395,26sleep30-21swapper/319:11:523
2082099251,12cyclictest24303-21find19:21:510
2082099251,12cyclictest24303-21find19:21:510
2082299241,4cyclictest0-21swapper/219:29:212
2082299241,4cyclictest0-21swapper/219:29:212
20822992314,7cyclictest24020-21ntp_states19:21:472
20822992314,7cyclictest24020-21ntp_states19:21:472
20820992218,2cyclictest0-21swapper/019:26:450
20820992218,2cyclictest0-21swapper/019:26:450
2082099214,3cyclictest131rcu_preempt19:16:530
2082099214,3cyclictest131rcu_preempt19:16:530
20821992013,6cyclictest21439-21/usr/sbin/munin19:16:511
2082399151,11cyclictest0-21swapper/319:16:443
2082399151,11cyclictest0-21swapper/319:16:443
2082199157,6cyclictest23690-21ls19:21:421
2082199157,6cyclictest23690-21ls19:21:421
266472141,3sleep30-21swapper/319:28:133
266472141,3sleep30-21swapper/319:28:133
2082399131,11cyclictest0-21swapper/319:21:433
2082399131,11cyclictest0-21swapper/319:21:433
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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