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2026-08-24 - 04:48
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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 Aug 24, 2026 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502180,0irq/45-4a1000004202-21kworker/0:019:08:330
7450970,0irq/46-4a1000008942-21grep23:59:210
7450970,0irq/46-4a10000016540-21meminfo21:10:040
173672960,0sleep015781-1kworker/u3:000:23:460
7450950,0irq/46-4a10000026545-21runrttasks20:04:470
7450950,0irq/46-4a10000018054-21/usr/sbin/munin22:49:480
7450950,0irq/46-4a10000012422-21sendmail-msp20:59:330
7450950,0irq/46-4a10000010021-21switchtime20:50:190
211102950,0sleep017951-1kworker/u3:021:24:320
7450940,0irq/46-4a1000006831-21runrttasks23:51:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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