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2025-11-25 - 19:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Tue Nov 25, 2025 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138948022630,3sleep01389478-21diskstats09:15:210
139865722570,3sleep01398660-21wc09:42:000
145424622510,3sleep01454247-21/usr/sbin/munin12:26:140
142210322460,3chrt1422101-21/usr/sbin/munin10:51:370
140159122460,2chrt1401588-21ntpq09:51:030
139292022390,3chrt1392919-21ssh09:25:320
144190722370,2chrt1441903-21df_inode11:50:210
137873822260,3chrt1378739-21timerwakeupswit08:36:230
137459822100,2sleep022-21kcompactd008:21:290
143738822030,2sleep01437389-21sh11:36:480
144895522000,2sleep01448956-21ntpq12:10:420
135403599196166,20cyclictest29-21kswapd007:37:470
143185321930,3sleep01431854-21/usr/sbin/munin11:20:300
138489321910,2sleep01384894-21cat09:00:080
135403599189146,19cyclictest1406619-21kworker/u2:010:10:280
145757121880,2sleep01457572-21gcc12:36:050
144680121860,3sleep01446794-21ssh12:05:100
144723321850,3sleep01447235-21netstat12:05:410
135403599181152,19cyclictest1431110-21kworker/u2:011:45:060
135403599180149,19cyclictest1393712-21kworker/u2:009:40:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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