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2026-01-05 - 10:09
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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 Jan 05, 2026 00:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
182964399121114,5cyclictest1844757-21kworker/u4:9+events_unbound20:17:010
182964399112104,6cyclictest1925370-21kworker/u4:5+events_unbound22:37:230
18296439911086,16cyclictest1864480-21ssh21:15:090
182964399110102,6cyclictest1916902-21kworker/u4:4+events_unbound22:17:200
182964399109102,5cyclictest1843501-21kworker/u4:5+events_unbound20:12:010
18296439910497,5cyclictest1874930-21kworker/u4:1+events_unbound21:27:110
18296439910175,16cyclictest54-21kswapd023:05:100
1829643999588,5cyclictest1837160-21kworker/u4:1+events_unbound19:37:000
1829643999587,6cyclictest1858735-21kworker/u4:5+events_unbound21:07:070
1829643998972,8cyclictest54-21kswapd023:25:100
1829643998881,5cyclictest1843502-21kworker/u4:6+events_unbound20:27:040
1829645998166,9cyclictest1858724-21kworker/u4:4-rpciod21:10:131
1829643997970,7cyclictest54-21kswapd022:10:000
1829643997970,7cyclictest54-21kswapd022:09:590
1829643997770,5cyclictest1817159-21kworker/u4:3+events_unbound19:31:580
1829645997023,44cyclictest0-21swapper/121:40:161
1829645996863,3cyclictest1916903-21kworker/u4:6+events_unbound22:32:211
1829645996835,30cyclictest1915793-21switchtime22:15:381
1829643996756,8cyclictest1894375-21uname21:50:230
1829645996636,27cyclictest0-21swapper/122:40:431
182964599663,58cyclictest1890342-21ssh21:45:281
182964599662,59cyclictest1893809-21ssh21:50:141
1829643996659,5cyclictest2000731-21kworker/u4:6+events_unbound00:31:590
182964599651,60cyclictest1978262-21ssh23:30:271
1829643996557,6cyclictest1883456-21kworker/u4:4+events_unbound21:45:430
1829643996551,9cyclictest2023240-21wc00:25:020
182964599643,57cyclictest2010932-21ssh00:10:121
1829645996433,28cyclictest1990482-21fschecks_count23:45:241
1829645996429,31cyclictest0-21swapper/100:05:361
1829643996456,6cyclictest1992271-21kworker/u4:9+events_unbound00:19:430
1829645996341,20cyclictest2027345-21latency_hist00:30:001
182964599633,49cyclictest1940534-21ntpq22:45:301
1829645996332,29cyclictest0-21swapper/123:00:131
1829645996327,32cyclictest0-21swapper/123:10:311
1829645996231,28cyclictest0-21swapper/122:20:221
1829645996226,32cyclictest1986361-21head23:40:221
182964599622,54cyclictest1897882-21apt-get21:55:161
1829643996237,20cyclictest54-21kswapd000:35:090
1829645996135,23cyclictest0-21swapper/100:30:341
1829645996127,27cyclictest0-21swapper/123:55:321
182964599612,54cyclictest1966416-21ssh23:15:551
1829643996130,23cyclictest25550irq/23-42890000.ethernet20:45:080
182964599603,53cyclictest2015968-21ssh00:15:391
1829645996030,27cyclictest2006519-21ls00:05:011
182964599602,55cyclictest0-21swapper/120:40:141
1829645996015,24cyclictest1860025-21diskmemload23:06:541
1829645996013,28cyclictest0-21swapper/123:51:171
1829643996052,6cyclictest1883456-21kworker/u4:4+events_unbound21:37:140
1829645995948,8cyclictest1923237-21/usr/sbin/munin22:25:181
1829645995941,15cyclictest1973419-21sh23:25:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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