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2026-01-01 - 12:08
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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 Jan 01, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81910rcu_preempt19-21ksoftirqd/122:51:071
81810rcu_preempt15882-21sshd19:06:420
81810rcu_preempt15882-21sshd19:06:420
81710rcu_preempt13891-21diskmemload22:36:030
81700rcu_preempt23215-21sh23:19:290
81700rcu_preempt0-21swapper/023:13:080
81700rcu_preempt0-21swapper/023:13:080
81700rcu_preempt0-21swapper/023:09:570
81680rcu_preempt3862-21sh22:45:220
81670rcu_preempt5241-21ssh23:45:210
81670rcu_preempt26129-21latency_hist19:50:480
81670rcu_preempt0-21swapper/023:37:210
81670rcu_preempt0-21swapper/021:44:370
81660rcu_preempt0-21swapper/021:36:530
81660rcu_preempt0-21swapper/000:32:220
26771661watchdog6616-21ssh22:50:181
89850650irq/17-ehci_hcd945-21usb-storage00:36:121
81650rcu_preempt28774-21ntp_states22:31:120
81650rcu_preempt26980-21sshd21:31:200
81640rcu_preempt9104-21ssh21:56:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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