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2026-05-04 - 11:34
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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 50 highest latencies:
System rack7slot2.osadl.org (updated Mon May 04, 2026 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
270386599109100,6cyclictest2710215-21kworker/u4:17+events_unbound20:00:410
27038669910699,5cyclictest2759370-21kworker/u4:1+events_unbound21:37:221
27038669910689,7cyclictest2824855-21kworker/u4:14+events_unbound23:02:381
27038669910384,6cyclictest2903708-21kworker/u4:17+events_unbound00:23:551
2703865998679,4cyclictest1-21systemd20:52:150
2703866998476,6cyclictest2708945-21kworker/u4:15+events_unbound20:42:131
2703866998173,6cyclictest2719158-21kworker/u4:0+events_unbound20:07:081
2703866997972,5cyclictest2724289-21kworker/u4:16+events_unbound20:27:131
2703866997972,5cyclictest2724289-21kworker/u4:16+events_unbound20:27:121
2703866997672,2cyclictest2838211-21kworker/u4:2+events_unbound23:47:491
2703866997467,5cyclictest2711479-21kworker/u4:21+events_unbound19:37:061
2703866997365,6cyclictest2714045-21kworker/u4:0+events_unbound19:57:091
2703865997359,6cyclictest2842664-21kworker/u4:7+events_unbound23:22:400
2703865997257,12cyclictest2816591-21kworker/u4:1+events_unbound22:45:000
270386599722,27cyclictest2761356-21apt-get21:40:050
2703866997164,5cyclictest2729472-21kworker/u4:7+events_unbound20:47:141
2703866997163,6cyclictest2703802-21kworker/u4:5+events_unbound19:42:081
2703865997164,5cyclictest2807658-21kworker/u4:3+events_unbound22:52:340
2703865997162,7cyclictest2890365-21kworker/u4:7+events_unbound00:23:520
2703865997152,15cyclictest53-21kswapd022:10:080
2703866997065,4cyclictest2705085-21kworker/u4:6+events_unbound19:50:011
2703866997059,8cyclictest2717471-21ntp_states20:00:411
2703865997063,5cyclictest2691486-21kworker/u4:7+events_unbound19:17:000
2703865997063,5cyclictest2691486-21kworker/u4:7+events_unbound19:17:000
2703866996962,5cyclictest2724289-21kworker/u4:16+events_unbound21:07:171
2703866996959,4cyclictest2729473-21kworker/u4:10+events_unbound20:55:011
2703866996859,5cyclictest2719158-21kworker/u4:0+events_unbound20:32:131
2703865996860,6cyclictest2856042-21kworker/u4:3+events_unbound23:37:430
2703865996746,18cyclictest2883990-21sendmail-msp00:00:000
2703866996545,7cyclictest2777202-21kworker/u4:4+events_unbound22:22:011
2703865996558,5cyclictest2856041-21kworker/u4:0+events_unbound23:32:420
2703865996455,7cyclictest2822240-21ssh22:49:260
2703865996455,7cyclictest2822240-21ssh22:49:250
2703866996355,6cyclictest2768294-21kworker/u4:0+events_unbound22:36:421
2703866996355,6cyclictest2705098-21kworker/u4:10+events_unbound20:22:111
2703866996354,7cyclictest398-21systemd-logind21:17:181
2703865996353,7cyclictest2831724-21ssh23:00:150
2703866996143,6cyclictest2850947-21kworker/u4:4+events_unbound23:30:411
2703866996054,3cyclictest0-21swapper/123:25:111
2703865996046,7cyclictest2781654-21kworker/u4:1+events_unbound22:07:270
2703865996043,13cyclictest2703864-21cyclictest00:01:150
2703865996042,5cyclictest2750431-21kworker/u4:10+events_unbound21:32:210
2703866995951,7cyclictest2824855-21kworker/u4:14+events_unbound23:06:411
2703865995936,20cyclictest2901423-21munin-run00:20:010
2703866995852,5cyclictest2877651-21kworker/u4:10+events_unbound23:58:051
2703865995851,5cyclictest2726823-21kworker/u4:4+events_unbound20:40:000
2703866995751,5cyclictest2825513-21kworker/u4:15+events_unbound22:57:361
2703866995751,4cyclictest2772101-21kworker/u4:10+events_unbound22:10:011
2703866995749,6cyclictest2842664-21kworker/u4:7+events_unbound23:52:011
2703866995744,11cyclictest2850442-21unixbench_multi23:20:391
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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