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2026-01-12 - 02:50
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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 10 highest latencies:
System rack3slot2.osadl.org (updated Mon Jan 12, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
238383422750,3chrt2383829-21ntpq23:55:550
237439322590,3sleep02374394-21xargs23:21:190
239546922500,3chrt2395468-21sendmail-msp00:40:010
237959422390,4chrt2379589-21ntpq23:40:390
234473822270,3chrt2344736-21ld21:35:340
238592022190,2sleep02385921-21/usr/sbin/munin00:05:140
233741122080,2sleep02337412-21date21:10:060
230294822080,3sleep02302950-21ntpq19:05:320
232654522040,2sleep02326546-21cat20:30:260
239305821980,3sleep02393059-21/usr/sbin/munin00:30:290
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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