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2025-10-15 - 09:38
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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 rack4slot4.osadl.org (updated Wed Oct 15, 2025 00:53:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1491399593cyclictest0-21swapper/021:52:220
1491399593cyclictest0-21swapper/021:52:220
14913995923cyclictest27883-21ssh00:02:160
14913995923cyclictest27883-21ssh00:02:160
14913995923cyclictest27883-21ssh00:02:160
1491399573cyclictest0-21swapper/000:20:020
1491399573cyclictest0-21swapper/000:20:020
71540rcu_preempt0-21swapper/021:39:480
71540rcu_preempt0-21swapper/021:39:480
1491399534cyclictest0-21swapper/023:02:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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