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2026-01-05 - 09:26
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot4.osadl.org (updated Mon Jan 05, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1085499709,55cyclictest18453-21/usr/sbin/munin20:43:001
10854996447,11cyclictest0-21swapper/121:25:461
1085499628,48cyclictest7054-21kworker/1:222:39:411
1085499628,48cyclictest7054-21kworker/1:222:39:411
1084999604,49cyclictest0-21swapper/022:28:440
1086399585,46cyclictest0-21swapper/223:51:422
1085499589,42cyclictest7202-21/usr/sbin/munin20:12:421
1085499579,43cyclictest25657-21ssh20:58:081
1085499579,43cyclictest25657-21ssh20:58:081
10854995714,37cyclictest3654-21diskstats00:02:371
10854995714,37cyclictest15464-21ntpq20:32:491
10854995712,39cyclictest16582-21/usr/sbin/munin20:37:521
10854995711,12cyclictest17379-21missed_timers23:37:441
10854995710,40cyclictest30743-21/usr/sbin/munin23:12:471
1086399564,46cyclictest0-21swapper/222:20:542
1085499569,41cyclictest1582-21/usr/sbin/munin19:57:471
1085499567,43cyclictest7054-21kworker/1:222:04:411
1085499566,44cyclictest7054-21kworker/1:221:58:351
10854995612,38cyclictest22328-21/usr/sbin/munin23:02:591
10854995611,40cyclictest0-21swapper/123:57:521
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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