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2025-11-23 - 10:09
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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 Nov 23, 2025 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
872211710,12sleep0871-21/usr/sbin/munin19:05:260
17809916331,26cyclictest0-21swapper/019:37:240
17809916227,14cyclictest10250irq/56-4a10000020:23:130
1780991619,19cyclictest10859-21apt-get00:02:270
17809915845,27cyclictest101ktimersoftd/023:55:120
1780991578,21cyclictest27949-21apt-get20:56:140
17809915758,15cyclictest18139-21aten_r7power_po22:20:140
1780991558,18cyclictest332-21diskstats21:10:230
17809915556,16cyclictest21754-21latency_hist00:40:090
17809915549,18cyclictest116932chrt21:55:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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