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2026-09-02 - 03:42
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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 10 highest latencies:
System rackcslot3.osadl.org (updated Wed Sep 02, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950840irq/17-ehci_hcd27834-21ssh23:11:451
81790rcu_preempt2738-21apt-get19:15:411
81750rcu_preempt9252-21ssh00:45:071
81740rcu_preempt28180-21apt-get22:10:440
81740rcu_preempt1513-21ssh22:20:540
81730rcu_preempt19-21ksoftirqd/123:49:331
81710rcu_preempt1230-21ssh00:29:020
81700rcu_preempt1843-21diskmemload22:01:410
81700rcu_preempt0-21swapper/121:40:501
81700rcu_preempt0-21swapper/100:22:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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