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2026-08-27 - 19:47
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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 Thu Aug 27, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81800rcu_preempt0-21swapper/011:30:240
81730rcu_preempt25678-21timerandwakeup11:30:311
81720rcu_preempt878-21sh10:41:561
81720rcu_preempt4113-21ssh09:45:211
81710rcu_preempt0-21swapper/111:35:291
81710rcu_preempt0-21swapper/110:55:251
81710rcu_preempt0-21swapper/011:05:240
81710rcu_preempt0-21swapper/010:42:380
81710rcu_preempt0-21swapper/010:20:580
81700rcu_preempt6979-21uname08:15:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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