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2026-04-03 - 23:48
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Fri Apr 03, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2712599432931,0cyclictest21122-21seq09:53:500
27125993163306,0cyclictest9-21ksoftirqd/007:47:490
27125993024878,0cyclictest27218-21latency_hist07:03:450
27125992829280,0cyclictest16223-1kworker/0:2H10:03:470
27125992827741,0cyclictest1589-21munin-node10:36:030
27125992613728,0cyclictest9-21ksoftirqd/009:03:470
27125992485234,0cyclictest15280-1kworker/0:0H07:38:480
27125992475290,0cyclictest16223-1kworker/0:2H08:23:490
27125992442115,0cyclictest15280-1kworker/0:0H07:08:480
27125992394710,0cyclictest0-21swapper12:18:460
27125992390780,0cyclictest29037-21cat10:18:480
27125992384303,0cyclictest16223-1kworker/0:2H08:48:470
27125992369686,0cyclictest9-21ksoftirqd/009:18:480
27125992365693,0cyclictest9-21ksoftirqd/009:23:480
27125992364767,0cyclictest9-21ksoftirqd/009:38:470
27125992364232,0cyclictest16223-1kworker/0:2H10:23:470
27125992328208,0cyclictest16223-1kworker/0:2H10:58:480
27125992327211,0cyclictest16223-1kworker/0:2H10:08:480
27125992324257,0cyclictest16223-1kworker/0:2H11:08:460
27125992317609,0cyclictest9-21ksoftirqd/012:08:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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