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2026-08-23 - 22:54
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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 Sun Aug 23, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7766210650,11sleep07765-21/usr/sbin/munin19:05:380
7039212621,12sleep07054-21lockfile-remove23:20:030
1481211915,12sleep01520-21aten_r7power_po22:55:140
1971421105,12sleep019765-21latency_hist00:15:040
558321075,12sleep05584-21latency_hist21:05:020
2056821065,13sleep020274-21/usr/sbin/munin19:55:290
86099910229,20cyclictest1408-21nginx20:57:290
86099910151,35cyclictest0-21swapper/000:27:340
273221015,15sleep01436-21apt-get20:52:100
72342995,11sleep07243-21/usr/sbin/munin21:10:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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