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2024-02-22 - 05:46
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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 rack4slot4.osadl.org (updated Thu Feb 22, 2024 00:46:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71690rcu_preempt21241-21kworker/u8:220:11:103
71690rcu_preempt21241-21kworker/u8:220:11:103
71690rcu_preempt21241-21kworker/u8:220:11:103
71640rcu_preempt0-21swapper/220:26:132
71640rcu_preempt0-21swapper/220:26:132
46050510irq/122-QManpo21571-2109:24:360
46050510irq/122-QManpo21571-2109:24:360
906599461cyclictest6354-21cron22:25:423
906599461cyclictest6354-21cron22:25:423
906599452cyclictest3290-21/usr/sbin/munin23:21:283
906599452cyclictest3290-21/usr/sbin/munin23:21:283
906599443cyclictest30264-21memory00:11:193
906599443cyclictest30264-21memory00:11:193
906599434cyclictest0-21swapper/321:36:113
906599434cyclictest0-21swapper/321:36:113
906599434cyclictest0-21swapper/321:36:113
906599433cyclictest30895-21ntp_states23:11:163
906599433cyclictest30895-21ntp_states23:11:163
906599433cyclictest30895-21ntp_states23:11:163
906599432cyclictest17667-21ntp_states00:51:243
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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