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2026-06-14 - 03:53
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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 20 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
237049910884,0cyclictest7043-21chrt23:05:300
237049910883,0cyclictest27906-21users20:55:430
237049910883,0cyclictest16818-21df22:00:050
237049910873,0cyclictest9076-21sed20:00:420
237049910784,0cyclictest4946-21diskstats19:50:100
237049910784,0cyclictest2819-21runrttasks22:54:450
237049910780,0cyclictest3398-21fw_forwarded_lo00:30:170
237049910773,0cyclictest4929-21df_abs23:00:050
237049910687,0cyclictest20756-21/usr/sbin/munin23:45:340
237049910686,0cyclictest19251-21timerandwakeup22:05:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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