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2026-07-31 - 00:07
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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 10 highest latencies:
System rackcslot3.osadl.org (updated Thu Jul 30, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81850rcu_preempt32233-21ssh09:47:551
81780rcu_preempt0-21swapper/107:12:571
81730rcu_preempt6094-21ssh10:58:050
81720rcu_preempt12146-21diskmemload11:08:380
81710rcu_preempt14819-21diskmemload12:31:270
81710rcu_preempt0-21swapper/009:39:010
81710rcu_preempt0-21swapper/008:07:590
81700rcu_preempt0-21swapper/012:06:000
81690rcu_preempt29512-21sh12:41:160
81690rcu_preempt0-21swapper/109:33:021
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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