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2026-09-14 - 23:12
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack7slot3.osadl.org (updated Mon Sep 14, 2026 12:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4402229715sleep4401-21wc07:02:010
496899264133cyclictest3907-21fschecks_time09:22:240
496899263129cyclictest15994-21cpu10:16:250
49689925894cyclictest8918-21netwatch09:44:240
49689925493cyclictest17796-21diskmemload10:23:410
496899254126cyclictest7450-21grep12:01:550
496899253128cyclictest7119-21chrt07:14:530
496899253122cyclictest9614-21cpuspeed12:11:320
496899253122cyclictest7368-1kworker/0:2H09:08:580
496899252127cyclictest10024-21ssh09:49:180
496899252123cyclictest32486-1diskmemload12:35:430
49689925189cyclictest29466-21cpu11:16:220
496899250120cyclictest1394-21sh11:35:450
496899250115cyclictest5985-21runrttasks07:10:110
496899250114cyclictest10619-21ssh09:52:170
49689924988cyclictest32486-21diskmemload09:16:000
496899249126cyclictest16810-21ssh10:19:380
496899249125cyclictest13444-21latency07:42:140
496899249123cyclictest8170-21sh12:04:430
496899249122cyclictest32488-21ls09:06:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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