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2025-12-29 - 10:55
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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 50 highest latencies:
System rackcslot3.osadl.org (updated Mon Dec 29, 2025 00:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89850780irq/17-ehci_hcd945-21usb-storage19:08:421
81730rcu_preempt0-21swapper/123:20:591
81720rcu_preempt4483-21cyclictest23:15:560
81720rcu_preempt0-21swapper/119:30:541
81710rcu_preempt19-21ksoftirqd/122:02:391
81710rcu_preempt0-21swapper/123:45:051
81700rcu_preempt19-21ksoftirqd/123:36:591
81700rcu_preempt0-21swapper/121:58:101
81700rcu_preempt0-21swapper/121:45:571
81690rcu_preempt26300-21diskmemload23:42:410
81690rcu_preempt0-21swapper/021:20:520
81690rcu_preempt0-21swapper/021:18:590
81680rcu_preempt0-21swapper/023:02:060
147650680irq/28-eth0-rx-41ktimersoftd/023:48:030
81670rcu_preempt8719-21sh00:09:180
81670rcu_preempt8719-21sh00:09:180
81670rcu_preempt0-21swapper/121:55:051
81670rcu_preempt0-21swapper/022:26:210
81670rcu_preempt0-21swapper/022:26:210
81660rcu_preempt6174-21sh00:05:030
81660rcu_preempt28521-21kworker/1:023:52:151
81660rcu_preempt0-21swapper/100:28:091
89850640irq/17-ehci_hcd2446-1diskmemload23:55:170
81640rcu_preempt23473-21munin-run20:25:400
81640rcu_preempt0-21swapper/023:36:180
81630rcu_preempt0-21swapper/022:10:540
81630rcu_preempt0-21swapper/021:35:580
81630rcu_preempt0-21swapper/019:06:310
81630rcu_preempt0-21swapper/000:20:530
81620rcu_preempt0-21swapper/023:10:400
81620rcu_preempt0-21swapper/022:22:350
81620rcu_preempt0-21swapper/021:07:000
89850610irq/17-ehci_hcd3-21ksoftirqd/019:36:100
81610rcu_preempt0-21swapper/022:50:570
81610rcu_preempt0-21swapper/022:40:520
81600rcu_preempt1467-21ntp_states23:56:030
81600rcu_preempt0-21swapper/021:46:020
81600rcu_preempt0-21swapper/019:41:040
81590rcu_preempt0-21swapper/121:43:081
81590rcu_preempt0-21swapper/121:25:431
81590rcu_preempt0-21swapper/119:35:591
81590rcu_preempt0-21swapper/023:34:450
81590rcu_preempt0-21swapper/022:05:520
81590rcu_preempt0-21swapper/000:30:590
81580rcu_preempt9396-21ssh23:13:250
81580rcu_preempt29932-21ssh22:52:271
81580rcu_preempt23965-21ssh22:41:231
81580rcu_preempt21085-21ssh23:33:551
81580rcu_preempt19444-21kworker/0:122:01:050
81580rcu_preempt19043-21ssh22:34:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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