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2026-03-14 - 03:15
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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 Mar 14, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
811070rcu_preempt19-21ksoftirqd/122:18:161
81800rcu_preempt0-21swapper/022:20:400
81780rcu_preempt3198-21df_abs20:39:181
81780rcu_preempt0-21swapper/119:39:221
81780rcu_preempt0-21swapper/100:34:221
81770rcu_preempt19-21ksoftirqd/121:59:101
81750rcu_preempt19-21ksoftirqd/121:33:261
81740rcu_preempt30073-21/usr/sbin/munin22:49:310
81730rcu_preempt13727-21ssh22:18:020
147850730irq/30-eth0-tx-945-21usb-storage22:19:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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