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2026-09-10 - 19:06
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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, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack5slot1.osadl.org (updated Thu Sep 10, 2026 12:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297721030,1sleep483-21kcompactd010:41:004
9068991915,3cyclictest14879-21cron11:25:003
905899190,12cyclictest774-21runrttasks08:04:520
905899185,9cyclictest28066-21sh12:26:140
905899180,7cyclictest27162-21ssh10:00:200
905899180,14cyclictest21423-21sh12:05:020
905899180,10cyclictest9094-21sh10:26:190
905899180,10cyclictest6358-21sh11:20:010
905899180,10cyclictest413-21ssh11:52:540
905899180,10cyclictest16457-21sh11:07:010
905899180,10cyclictest16457-21sh11:07:010
9063991713,3cyclictest23738-21latency_hist11:30:001
905899173,10cyclictest14082-21sh12:36:470
905899170,9cyclictest9372-21sh11:03:190
905899170,9cyclictest9372-21sh11:03:190
905899170,9cyclictest774-21runrttasks11:56:460
905899170,9cyclictest774-21runrttasks08:43:510
905899170,9cyclictest26491-21sh11:12:500
905899170,9cyclictest16708-21sh10:49:310
905899170,9cyclictest13986-21ntp_kernel_err12:00:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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