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2026-08-08 - 07:02
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackcslot3.osadl.org (updated Sat Aug 08, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt10449-21cpuspeed23:33:381
81790rcu_preempt19-21ksoftirqd/122:06:011
81780rcu_preempt14708-21munin-run20:03:260
81780rcu_preempt11976-21k10sensors19:48:471
81770rcu_preempt19-21ksoftirqd/123:12:401
81770rcu_preempt19-21ksoftirqd/123:02:551
81770rcu_preempt19-21ksoftirqd/121:57:571
81760rcu_preempt0-21swapper/100:09:511
81750rcu_preempt19-21ksoftirqd/122:10:271
81750rcu_preempt13451-21grep21:38:501
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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