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2026-04-11 - 22:39
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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 rackeslot4.osadl.org (updated Sat Apr 11, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1021208993835,2cyclictest1185033-21fwupd09:47:032
102120699290,2cyclictest191rcu_preempt12:00:141
102121299272,21cyclictest1307901-21apt-get11:50:133
102121299262,20cyclictest1262224-21apt-get11:05:133
102120899261,21cyclictest1097598-21apt-get08:25:112
102120699261,23cyclictest1051808-21cron07:40:001
102120699261,22cyclictest1195753-21apt-get10:00:121
102120699261,22cyclictest1082435-21apt-get08:10:121
102120699260,5cyclictest1031601-21sh07:19:591
1021212992521,3cyclictest1051806-21cron07:40:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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