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2026-09-05 - 10:41
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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 Sat Sep 05, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502530,0irq/45-4a10000016172-21kworker/0:119:06:580
320339912534,0cyclictest21754-21sensors_temp23:20:490
320339912434,0cyclictest30809-21runrttasks20:39:090
320339912432,0cyclictest9299-21/usr/sbin/munin21:10:250
320339912431,0cyclictest6042-21chrt21:00:350
320339912431,0cyclictest12230-21ls21:19:590
320339912338,0cyclictest17488-21aten_r4power_po21:35:070
320339912335,0cyclictest4163-21fschecks_count00:05:200
320339912333,0cyclictest11848-21runrttasks19:42:480
320339912332,0cyclictest23103-21irqstats23:25:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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