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2026-03-16 - 08:35
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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 Mar 16, 2026 00:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
282755099142131,7cyclictest3019893-21kworker/u4:11+events_unbound00:15:131
2827549998880,5cyclictest53-21kswapd022:35:100
2827549998577,6cyclictest2896943-21kworker/u4:12+events_unbound22:26:440
2827550998173,6cyclictest2887838-21kworker/u4:18+events_unbound22:31:431
2827549998148,30cyclictest2922328-21/usr/sbin/munin22:20:380
2827549998148,30cyclictest2922328-21/usr/sbin/munin22:20:370
2827549997944,7cyclictest3018546-21sed00:10:210
2827549997668,5cyclictest2883236-21kworker/u4:0+events_unbound21:45:410
2827549997567,6cyclictest53-21kswapd023:35:010
282755099734,31cyclictest2877213-21ntpq21:30:241
2827550997339,31cyclictest3014899-21grep00:05:401
2827549997161,7cyclictest53-21kswapd022:05:000
2827550996958,8cyclictest2919014-21kworker/u4:14+events_unbound22:40:131
2827550996936,30cyclictest0-21swapper/122:55:281
2827550996859,6cyclictest2981108-21kworker/u4:10+events_unbound23:37:001
2827550996840,25cyclictest2845407-21cron20:19:591
2827550996832,33cyclictest3032502-21unixbench_singl00:25:381
2827549996861,4cyclictest2887837-21kworker/u4:17+events_unbound21:45:000
2827550996735,29cyclictest2912735-21fschecks_count22:10:191
2827550996634,28cyclictest2898659-21sh21:55:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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