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2026-03-18 - 23:20
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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 18, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17948217228,112sleep00-21swapper/007:08:080
18236991647,98cyclictest23459-21apt-get09:37:120
182369916439,106cyclictest10250irq/56-4a10000012:08:540
182369916240,102cyclictest26946-21processes09:45:430
18236991618,112cyclictest1305-21snmpd07:35:330
18236991616,111cyclictest27048-21/usr/sbin/munin07:45:110
182369916113,126cyclictest1408-21nginx08:53:160
18236991609,111cyclictest801-21dbus-daemon12:00:020
18236991598,94cyclictest2554-21irqstats12:25:270
18236991579,109cyclictest30599-21ntp_states10:00:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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