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2026-06-14 - 07:18
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 rack4slot2.osadl.org (updated Sun Jun 14, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502230,0irq/45-4a10000021927-21kworker/0:319:05:160
237049911580,0cyclictest3937-21unixbench_singl22:55:400
237049911480,0cyclictest8492-21fw_conntrack23:10:100
237049911479,0cyclictest24057-21/usr/sbin/munin20:45:330
237049911381,0cyclictest14910-21aten_r4power_cu20:19:550
237049911077,0cyclictest792-21seq21:12:270
237049911076,0cyclictest30121-21cron19:29:430
237049910987,0cyclictest5339-21ntp_offset21:25:300
237049910976,0cyclictest10352-21seq21:40:260
237049910885,0cyclictest6652-21diskstats21:30:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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