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2026-06-22 - 19:30
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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 Jun 22, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502040,0irq/45-4a10000012741-21kworker/0:207:05:070
7450960,0irq/46-4a10000021293-21runrttasks12:10:220
7450950,0irq/46-4a10000015559-21sendmail-msp10:19:590
14959999573,0cyclictest0-21swapper08:45:060
7450940,0irq/46-4a1000007754-21nfs4_client11:30:330
7450940,0irq/46-4a10000011136-21meminfo10:05:280
7450930,0irq/46-4a100000438-21snmpd09:06:210
7450930,0irq/46-4a10000019384-21diskstats10:30:110
7450930,0irq/46-4a10000012447-21runrttasks08:35:040
7450930,0irq/46-4a1000001136-21/usr/sbin/munin09:35:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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