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2026-05-30 - 10:47
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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 Sat May 30, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20395250615sleep20392-21tune2fs19:04:380
2133399267104cyclictest20120-21ssh21:24:470
2133399260131cyclictest3077-21cpu22:29:320
2133399259131cyclictest2980-21gmain22:56:480
2133399259129cyclictest24081-21runrttasks19:20:250
2133399256133cyclictest14400-21latency_hist20:59:460
213339925453cyclictest25934-21munin-run21:49:280
213339925097cyclictest25921-21munin-run00:09:320
2133399249125cyclictest29460-21sh00:24:520
2133399240115cyclictest13422-21ssh23:14:160
2133399233169cyclictest22532-21df19:14:360
2133399229203cyclictest4232-21chrt22:34:300
32226222816sleep32222-21grep22:15:340
2133399225194cyclictest10951-21df_inode20:44:550
2133399224196cyclictest9636-21basename20:39:190
2133399223199cyclictest18841-21ssh23:37:410
2133399221196cyclictest5044-21/usr/sbin/munin20:19:340
2133399221191cyclictest2848-21sed20:09:380
2133399221155cyclictest31404-21ssh00:33:170
2133399221127cyclictest15376-21latency_hist21:04:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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