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2025-07-01 - 00:52
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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 rack7slot2.osadl.org (updated Mon Jun 30, 2025 12:44:08)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
399968999570,7cyclictest487725-21kworker/u4:9+events_unbound10:35:001
399968998878,8cyclictest426930-21kworker/u4:1+events_unbound09:20:511
39996799884,34cyclictest430888-21apt-get09:10:110
399967998374,6cyclictest403774-21kworker/u4:15+events_unbound08:35:020
399967997843,32cyclictest448770-21/usr/sbin/munin09:35:430
39996799782,50cyclictest561524-21modprobe12:10:000
399968997568,5cyclictest555352-21kworker/u4:5+events_unbound12:05:001
39996799751,49cyclictest527980-21irqstats11:30:240
399968997467,5cyclictest550974-21kworker/u4:6+events_unbound12:06:231
399968997462,9cyclictest401192-21kworker/u4:4+events_unbound08:45:451
399967997363,7cyclictest484161-21kworker/u4:1+events_unbound10:36:050
399967997363,7cyclictest484161-21kworker/u4:1+events_unbound10:36:050
39996799732,65cyclictest471803-21apt-get10:10:160
399967997229,34cyclictest574351-21apt-get12:25:070
399967997227,29cyclictest0-21swapper/011:05:350
399967997137,30cyclictest514014-21/usr/sbin/munin11:10:420
39996799713,48cyclictest465165-21apt-get10:00:160
399967997134,34cyclictest0-21swapper/009:50:370
399967997052,15cyclictest410237-21kworker/u4:9+events_unbound08:00:010
399968996950,15cyclictest0-21swapper/109:15:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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