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2026-08-13 - 00:05
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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 10 highest latencies:
System rack4slot2.osadl.org (updated Wed Aug 12, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1246929930,0sleep011630-1kworker/u3:107:05:580
129739912943,0cyclictest21950-21/usr/sbin/munin09:10:380
129739912641,0cyclictest14813-21/usr/sbin/munin12:00:240
129739912440,0cyclictest0-21swapper07:50:270
129739912438,0cyclictest0-21swapper09:51:330
129739912429,0cyclictest17833-21aten_r4power_cu08:59:580
129739912341,0cyclictest0-21swapper11:29:200
129739912241,0cyclictest0-21swapper11:01:230
129739912240,0cyclictest0-21swapper08:52:000
129739912210,0cyclictest4102-21/usr/sbin/munin11:29:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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