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2026-07-16 - 11:03
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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 Jul 16, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81760rcu_preempt14206-21diskmemload22:40:381
81750rcu_preempt0-21swapper/100:23:371
81740rcu_preempt9488-21ssh22:01:541
81740rcu_preempt31992-21apt-get22:41:411
81740rcu_preempt0-21swapper/122:35:561
81730rcu_preempt5824-21ssh00:45:420
81730rcu_preempt17642-21ssh00:07:130
81720rcu_preempt0-21swapper/122:14:021
81720rcu_preempt0-21swapper/100:31:381
81710rcu_preempt8182-21cron22:56:301
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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