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2026-04-22 - 05:39
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack7slot8.osadl.org (updated Tue Apr 21, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29272220521,48sleep00-21swapper/007:05:020
30519991638,110cyclictest32587-21irqstats07:16:000
305199916332,111cyclictest15060-21sshd12:26:230
30519991628,122cyclictest23347-21/usr/sbin/munin10:55:200
305199916130,110cyclictest12199-21processes12:16:280
305199916036,108cyclictest10250irq/56-4a10000009:35:160
305199916027,114cyclictest4292-21/usr/sbin/munin09:40:340
305199915919,119cyclictest787-21haveged11:45:040
305199915874,66cyclictest101ktimersoftd/008:15:180
305199915842,102cyclictest22635-21ntpq08:45:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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