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2026-06-10 - 15:22
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 rack4slot3.osadl.org (updated Wed Jun 10, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071212619,26sleep02076-21hddtemp_smartct07:18:120
1384821130,4sleep013849-21netstat09:33:290
28084210214,16sleep028111-21munin-node08:38:140
2750210015,17sleep02782-21timerwakeupswit08:58:470
3019129914,16sleep030213-21sort08:43:410
92502980,4sleep09248-21sendmail_mailst10:58:410
3417999825,63cyclictest4123-21munin-node09:03:280
3417999823,65cyclictest14186-21date11:13:450
3417999725,63cyclictest25384-21mailstats10:08:390
3417999715,72cyclictest18675-21munin-node08:08:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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