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2026-08-05 - 23:07
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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 Wed Aug 05, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89950770irq/17-ehci_hcd945-21usb-storage11:38:410
89950770irq/17-ehci_hcd945-21usb-storage11:38:410
81770rcu_preempt20144-21ssh10:08:071
81740rcu_preempt20959-21ssh10:08:341
89550730irq/17-ehci_hcd41ktimersoftd/012:33:140
81720rcu_preempt0-21swapper/107:16:331
81710rcu_preempt827-21diskmemload10:54:071
81700rcu_preempt28866-21fw_forwarded_lo12:18:300
81700rcu_preempt2591-21sh11:29:321
81700rcu_preempt0-21swapper/110:00:461
81700rcu_preempt0-21swapper/010:21:330
81690rcu_preempt0-21swapper/111:39:271
81690rcu_preempt0-21swapper/111:39:271
81680rcu_preempt14918-21df11:53:291
81680rcu_preempt0-21swapper/112:44:181
81680rcu_preempt0-21swapper/112:28:401
81680rcu_preempt0-21swapper/112:07:281
81680rcu_preempt0-21swapper/111:52:271
81680rcu_preempt0-21swapper/111:47:541
81680rcu_preempt0-21swapper/111:16:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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