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2026-03-24 - 23:52
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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 Tue Mar 24, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
204500799136118,8cyclictest2229405-21kworker/u4:4+events_unbound12:30:351
20450079911577,9cyclictest2138895-21apt-get10:20:121
20450079910394,7cyclictest2242812-21kworker/u4:9+events_unbound12:25:341
2045007999778,8cyclictest2224902-21kworker/u4:0+events_unbound12:10:331
2045007999371,18cyclictest2141160-21kworker/u4:9+xprtiod10:30:131
2045007999182,7cyclictest2238322-21kworker/u4:1+events_unbound12:35:351
2045005999184,5cyclictest2055259-21kworker/u4:5+events_unbound07:54:450
2045005999081,7cyclictest2114626-21kworker/u4:1+events_unbound10:10:120
2045005999079,6cyclictest53-21kswapd010:20:130
2045005998877,8cyclictest2215929-21kworker/u4:3+events_unbound12:00:310
2045007998773,7cyclictest2150143-21kworker/u4:13+events_unbound11:05:201
2045005998781,4cyclictest2132100-21kworker/u4:2+events_unbound10:25:140
2045007998476,6cyclictest2211473-21kworker/u4:14+events_unbound11:45:311
2045005998475,6cyclictest2159127-21kworker/u4:0+events_unbound11:00:190
2045007998377,4cyclictest2074689-21kworker/u4:12+events_unbound09:09:591
2045005998376,5cyclictest2073390-21kworker/u4:4+events_unbound09:40:060
2045005998273,6cyclictest2150143-21kworker/u4:13+events_unbound10:50:210
2045007997971,6cyclictest2189801-21kworker/u4:8+events_unbound11:30:271
2045007997971,6cyclictest2159127-21kworker/u4:0+events_unbound11:15:231
2045005997869,6cyclictest2114626-21kworker/u4:1+events_unbound09:55:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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