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2026-09-18 - 10:24
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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 Fri Sep 18, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8124246922sleep8125-21uptime19:02:010
851399276199cyclictest18885-21sh22:11:230
851399266236cyclictest8081-21latency_hist23:46:470
851399258198cyclictest2560-21df21:01:260
851399255231cyclictest21526-21ssh22:22:430
851399255229cyclictest16247-21sh21:59:350
851399255186cyclictest8631-21ssh21:27:200
851399254230cyclictest7198-1kworker/0:1H23:02:350
851399254223cyclictest27990-21latency_hist22:51:440
851399251219cyclictest23876-21latency22:32:560
851399250218cyclictest17255-21fschecks_time00:27:190
851399250217cyclictest3299-21ssh23:25:460
851399250185cyclictest22574-21perl20:06:500
85139924849cyclictest5122-21ssh21:12:070
851399248220cyclictest5101-21memory23:33:070
851399248217cyclictest14700-21memory19:32:160
851399248182cyclictest26680-21sh22:46:020
851399247218cyclictest11106-21ssh21:37:420
851399247218cyclictest10180-21ssh21:33:310
851399247216cyclictest20690-21ssh22:18:440
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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