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2026-03-16 - 20:56
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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 Mon Mar 16, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81870rcu_preempt0-21swapper/107:09:381
81740rcu_preempt7634-21ssh10:14:240
81740rcu_preempt3-21ksoftirqd/010:34:300
81730rcu_preempt18430-21ssh11:34:400
81720rcu_preempt25343-21ssh11:49:271
81720rcu_preempt0-21swapper/009:54:320
81700rcu_preempt4840-21ntp_states11:09:350
81700rcu_preempt22378-21ntp_states09:39:350
81700rcu_preempt13351-21cron09:24:110
81700rcu_preempt0-21swapper/111:39:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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