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2025-09-18 - 03:02
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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
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot4.osadl.org (updated Wed Sep 17, 2025 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13707997411,57cyclictest2011-21sshd02:26:523
1370799713,34cyclictest26160-21timerwakeupswit03:30:573
1370799713,34cyclictest26160-21timerwakeupswit03:30:573
1370799704,60cyclictest0-21swapper/306:04:213
1370799695,58cyclictest0-21swapper/305:28:183
1370799694,59cyclictest23679-21ntpq04:20:473
1370799692,61cyclictest5953-21/usr/sbin/munin05:35:463
1370799692,61cyclictest16172-21/usr/sbin/munin01:40:433
1370799683,59cyclictest22105-21ssh05:08:373
1370799682,60cyclictest8163-21/usr/sbin/munin02:45:473
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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