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2026-03-17 - 15:16
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Tue Mar 17, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
47912799293261,20cyclictest29-21kswapd007:45:230
51070322830,3sleep0510705-21timerandwakeup09:01:220
47912799282253,18cyclictest483320-21kworker/u2:007:41:030
49365322710,3sleep0493651-21ntp_kernel_pll_08:00:470
47912799264229,22cyclictest496146-21/usr/sbin/munin08:10:230
55069822590,3chrt550697-21ld11:25:390
50338622370,3chrt503387-21ntpq08:35:470
47912799237209,16cyclictest485191-21kworker/u2:107:36:270
47817322350,4chrt478170-21ntpq07:05:280
47912799232203,18cyclictest523762-21kworker/u2:010:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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