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2026-07-06 - 19:21
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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 Mon Jul 06, 2026 12:44:00)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74502380,0irq/46-4a10000011006-1kworker/u3:007:06:180
119949911179,0cyclictest22141-21sshd12:20:280
119949910987,0cyclictest7960-21fw_conntrack10:04:460
119949910986,0cyclictest15079-21meminfo07:15:390
119949910982,0cyclictest19603-21df12:14:330
119949910982,0cyclictest18041-21df_inode10:34:360
119949910978,0cyclictest26971-21ntpq11:00:130
119949910976,0cyclictest4462-21diskstats08:19:410
119949910888,0cyclictest9997-21/usr/sbin/munin11:45:130
119949910884,0cyclictest28687-21ntpq11:05:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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