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2026-04-17 - 23:09
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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 Fri Apr 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81780rcu_preempt1896-21python07:11:031
81760rcu_preempt25904-21df_inode11:05:521
81730rcu_preempt6839-21ps07:31:020
81730rcu_preempt1958-21sh12:25:051
81720rcu_preempt3101-21apt-get09:20:511
81720rcu_preempt11296-21ssh10:36:320
81720rcu_preempt0-21swapper/110:54:511
81700rcu_preempt2101-21munin-run07:15:370
81700rcu_preempt0-21swapper/112:31:051
81700rcu_preempt0-21swapper/112:15:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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