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2026-07-22 - 21:50
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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 Jul 22, 2026 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6384218323,52sleep06382-21diskstats19:05:260
73529913758,24cyclictest2616-21fw_conntrack23:05:420
73529913356,36cyclictest805-21rs:main0
73529913168,49cyclictest1285-21lldpd23:28:410
73529913166,26cyclictest5181-21latency_hist23:15:040
73529913156,33cyclictest18376-21/usr/sbin/munin00:05:050
73529913058,52cyclictest17662-21munin-run22:00:030
73529913056,54cyclictest754-21systemd-journal20:05:160
73529912882,36cyclictest25854-21diskstats22:30:210
73529912867,42cyclictest1408-21nginx21:31:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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