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2026-07-02 - 02:45
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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 Wed Jul 01, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81830rcu_preempt13911-21k10sensors07:10:421
89950800irq/17-ehci_hcd0-21swapper/112:45:061
89950770irq/17-ehci_hcd945-21usb-storage10:15:310
89950770irq/17-ehci_hcd945-21usb-storage10:15:310
146650760irq/31-eth0-tx-181ktimersoftd/112:03:391
81730rcu_preempt25711-21sh11:39:100
81720rcu_preempt0-21swapper/111:29:071
81720rcu_preempt0-21swapper/012:03:210
81710rcu_preempt12834-21ssh09:15:371
81710rcu_preempt0-21swapper/108:25:361
81710rcu_preempt0-21swapper/012:15:360
81710rcu_preempt0-21swapper/011:20:380
81700rcu_preempt0-21swapper/110:07:161
81690rcu_preempt7577-21df11:05:311
81690rcu_preempt12233-21sh11:14:040
81690rcu_preempt0-21swapper/111:31:141
81690rcu_preempt0-21swapper/111:18:591
81690rcu_preempt0-21swapper/010:35:440
81690rcu_preempt0-21swapper/009:57:170
81680rcu_preempt13541-21ntp_states11:15:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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