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2025-12-11 - 10:54
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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 20 highest latencies:
System rackeslot4.osadl.org (updated Thu Dec 11, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1351294993613,21cyclictest0-21swapper/320:20:003
1351294993413,20cyclictest1598276-21grep22:45:233
135129299310,11cyclictest1599035-21runrttasks22:46:412
1351292993023,6cyclictest0-21swapper/219:50:002
135129299300,28cyclictest1529965-21ssh21:52:592
135129299300,11cyclictest1581225-21cron22:34:592
135129299291,25cyclictest0-21swapper/200:05:142
135129499282,22cyclictest1606645-21apt-get22:55:143
135129299281,26cyclictest1474131-21diskmemload23:13:182
135129299281,26cyclictest1474131-21diskmemload23:13:172
135129299281,24cyclictest0-21swapper/223:35:002
135129299280,9cyclictest1693564-21ssh00:01:372
135129299280,27cyclictest1668558-21ssh23:42:152
135129299280,27cyclictest1650170-21munin-run23:30:012
135129299280,27cyclictest1486520-21ssh21:19:322
135129299280,27cyclictest1479543-21ssh21:12:212
135129299280,26cyclictest0-21swapper/222:00:122
135129299280,25cyclictest1619135-21ssh23:05:132
135129299280,25cyclictest0-21swapper/221:55:142
1351292992716,9cyclictest1567446-21ssh22:20:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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