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2026-04-27 - 02:19
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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 Sun Apr 26, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81730rcu_preempt24257-21/usr/sbin/munin10:31:270
81730rcu_preempt12751-21sh12:06:231
81730rcu_preempt0-21swapper/109:30:371
81720rcu_preempt0-21swapper/111:59:531
81720rcu_preempt0-21swapper/108:51:201
81720rcu_preempt0-21swapper/011:51:270
89850710irq/17-ehci_hcd945-21usb-storage12:36:171
81710rcu_preempt7021-21ssh10:59:061
81710rcu_preempt0-21swapper/112:31:251
81700rcu_preempt0-21swapper/112:24:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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