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2026-11-15 - 05:12
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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 Sun Nov 15, 2026 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
745013020,0irq/46-4a10000026233-1kworker/u3:119:07:170
7450970,0irq/46-4a10000014680-21latency21:39:410
7450960,0irq/46-4a10000028483-21runrttasks22:19:470
294192960,0sleep027962-1kworker/u3:219:11:430
7450950,0irq/46-4a1000002762-21missed_timers21:04:450
7450950,0irq/46-4a10000023548-21/usr/sbin/munin23:39:550
7450950,0irq/46-4a10000013481-21users23:10:000
7450940,0irq/46-4a1000008302-21runrttasks19:45:000
7450940,0irq/46-4a10000020838-21sendmail-msp21:59:020
7450940,0irq/46-4a10000018015-21fw_forwarded_lo23:24:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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