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2026-08-26 - 01:42
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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 rack4slot2.osadl.org (updated Tue Aug 25, 2026 12:44:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195442369104,0sleep018588-21kworker/0:207:05:000
204079913141,0cyclictest0-21swapper09:57:350
204079912953,0cyclictest7350irq/45-4a10000008:20:260
204079912843,0cyclictest0-21swapper07:34:590
204079912841,0cyclictest13773-21/usr/sbin/munin10:00:040
204079912741,0cyclictest0-21swapper07:49:480
204079912739,0cyclictest0-21swapper11:23:370
204079912648,0cyclictest7350irq/45-4a10000012:20:140
204079912643,0cyclictest0-21swapper08:05:190
204079912642,0cyclictest0-21swapper12:27:030
204079912641,0cyclictest0-21swapper10:50:280
204079912641,0cyclictest0-21swapper08:34:580
204079912640,0cyclictest0-21swapper11:10:030
204079912638,0cyclictest0-21swapper10:45:050
204079912553,0cyclictest0-21swapper11:50:090
204079912550,0cyclictest0-21swapper10:24:030
204079912543,0cyclictest0-21swapper08:44:200
204079912542,0cyclictest0-21swapper11:17:380
204079912541,0cyclictest0-21swapper07:31:110
204079912540,0cyclictest0-21swapper08:27:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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