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2026-06-04 - 06:42
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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 20 highest latencies:
System rackcslot3.osadl.org (updated Thu Jun 04, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81960rcu_preempt21735-21ssh23:30:580
81850rcu_preempt19-21ksoftirqd/121:59:351
89150840irq/17-ehci_hcd945-21usb-storage00:07:261
81820rcu_preempt0-21swapper/120:03:091
81780rcu_preempt19-21ksoftirqd/122:38:471
81760rcu_preempt0-21swapper/122:21:311
81740rcu_preempt9240-21df00:08:140
89550730irq/17-ehci_hcd25720-21/usr/sbin/munin19:08:260
81730rcu_preempt19-21ksoftirqd/123:09:191
81730rcu_preempt0-21swapper/119:08:231
81720rcu_preempt25735-21ntp_states21:38:230
81720rcu_preempt19027-21ssh23:26:100
81710rcu_preempt32644-21sshd22:51:350
81710rcu_preempt0-21swapper/022:36:470
81710rcu_preempt0-21swapper/022:36:470
81710rcu_preempt0-21swapper/000:33:260
81710rcu_preempt0-21swapper/000:13:000
81700rcu_preempt27263-21munin-run00:42:590
81700rcu_preempt26531-21diskmemload22:39:100
81700rcu_preempt0-21swapper/021:54:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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