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2026-05-11 - 08:42
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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 Sun May 10, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3022621036199,471sleep029945-21kworker/0:107:09:260
303599917623,112cyclictest1408-21nginx07:14:190
303599916630,120cyclictest15968-21df_inode12:35:270
30359991657,15cyclictest13224-21apt-get10:18:180
30359991638,18cyclictest31200-21/usr/sbin/munin11:31:100
303599916321,124cyclictest32139-21wget09:25:150
303599916126,116cyclictest754-21systemd-journal12:27:360
30359991596,14cyclictest11092-21apt-get12:22:110
303599915929,109cyclictest1-21systemd11:50:430
303599915821,116cyclictest1305-21snmpd08:05:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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