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2026-09-05 - 07:24
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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 Fri Sep 04, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11480220927,52sleep00-21swapper/007:07:580
1178899171149,13cyclictest300042sleep008:20:310
117889915278,52cyclictest1399-21wget10:45:120
117889914479,24cyclictest13931-21/usr/sbin/munin11:30:460
117889914372,51cyclictest26778-21chrt12:23:080
117889914276,45cyclictest1305-21snmpd09:56:560
117889914169,22cyclictest19482-21latency_hist11:55:030
117889914076,22cyclictest25739-21cron12:20:020
117889913986,39cyclictest23667-21diskstats07:55:220
117889913878,21cyclictest26567-21chrt08:05:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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