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2026-03-25 - 12:02
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Wed Mar 25, 2026 01:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1865228730,77sleep01631-21/usr/sbin/munin19:05:220
28429916952,31cyclictest101ktimersoftd/019:20:010
28429915944,31cyclictest3650irq/20-4900000022:17:230
374321086,88sleep03751-21/usr/sbin/munin19:11:090
2627321075,85sleep026312-21wc22:45:030
1402721075,11sleep014055-21cpu00:05:170
11954210712,11sleep0101ktimersoftd/021:50:160
6705210212,12sleep06717-21irqstats23:35:310
3035621025,84sleep030360-21fw_packets23:00:260
1253821026,83sleep012578-21apt-key19:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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