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2026-05-03 - 13:45
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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 Sun May 03, 2026 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950770irq/17-ehci_hcd20476-21ssh00:15:001
89950770irq/17-ehci_hcd20476-21ssh00:15:001
81730rcu_preempt16898-21df_inode23:10:321
81720rcu_preempt31617-21cpuspeed_turbos20:20:291
81720rcu_preempt19-21ksoftirqd/122:19:391
81720rcu_preempt0-21swapper/123:33:491
81710rcu_preempt19-21ksoftirqd/122:01:501
81710rcu_preempt14822-21sh00:03:300
81710rcu_preempt0-21swapper/122:45:191
81700rcu_preempt0-21swapper/123:08:111
81700rcu_preempt0-21swapper/122:30:311
81700rcu_preempt0-21swapper/019:55:410
81690rcu_preempt5473-21sh23:46:090
81690rcu_preempt0-21swapper/020:00:330
81680rcu_preempt22791-1kworker/0:1H00:39:440
81670rcu_preempt19-21ksoftirqd/123:00:221
81670rcu_preempt0-21swapper/021:49:110
146250660irq/28-eth0-rx-0-21swapper/119:05:251
81650rcu_preempt1275-21diskmemload22:43:010
81650rcu_preempt0-21swapper/023:36:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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