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2026-03-22 - 08:19
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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 Sun Mar 22, 2026 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
272040222590,4chrt2720372-21ntp_states20:41:020
276465622470,4chrt2764652-21irqstats23:20:260
271280022440,3chrt2712795-21munin-run20:15:000
277269922420,3chrt2772697-21munin-run23:50:040
274003222380,4chrt2740033-21mailstats21:51:200
272887222110,3sleep02728873-21/usr/sbin/munin21:11:200
269469499184154,20cyclictest2770299-21kworker/u2:000:05:030
271746021790,4chrt2717459-21awk20:30:380
270444721720,3sleep02704448-21latency_hist19:45:000
273149321690,4chrt2731490-21ntpq21:20:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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