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2026-05-14 - 20:30
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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 Thu May 14, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27185212110,13sleep027184-21/usr/sbin/munin19:05:310
278459916910,107cyclictest2688-21df21:45:190
27845991678,105cyclictest22170-21diskstats23:00:270
278459916426,94cyclictest1408-21nginx00:29:150
278459916127,119cyclictest14477-21apt-get20:26:330
278459916039,109cyclictest5476-21awk21:55:430
27845991577,128cyclictest1305-21snmpd19:44:220
278459915739,106cyclictest12824-21ntpq00:30:360
278459915737,110cyclictest14816-21latency_hist00:40:000
278459915648,96cyclictest224342sleep020:55:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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