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2026-06-18 - 02:32
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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 Wed Jun 17, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81740rcu_preempt6803-21kworker/0:012:38:370
81740rcu_preempt5680-21df_abs08:34:221
81740rcu_preempt21912-21proc_pri12:24:321
81720rcu_preempt0-21swapper/111:54:281
81710rcu_preempt32273-21cpuspeed10:44:191
81710rcu_preempt31713-21df_abs08:09:231
81710rcu_preempt0-21swapper/112:33:121
81700rcu_preempt0-21swapper/108:39:171
81700rcu_preempt0-21swapper/012:24:270
81700rcu_preempt0-21swapper/011:51:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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