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2026-07-09 - 12:51
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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 Thu Jul 09, 2026 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502110,0irq/45-4a10000022316-21kworker/0:019:08:230
225009910279,0cyclictest31732-21/usr/sbin/munin21:09:580
225009910179,0cyclictest6028-21sendmail-msp00:39:070
22500999981,0cyclictest438-21snmpd21:44:380
22500999773,0cyclictest26823-21df20:54:220
22500999773,0cyclictest25772-21sendmail_mailst19:15:200
22500999679,0cyclictest17936-21munin-run23:39:070
22500999678,0cyclictest25862-21timerandwakeup20:50:020
22500999677,0cyclictest3816-21sshd19:45:210
22500999676,0cyclictest30336-21df_inode21:04:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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