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2025-10-27 - 12:42
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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 rack9slot4.osadl.org (updated Mon Oct 27, 2025 00:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
281619913184cyclictest6950irq/18-mmc005:51:260
27945112999sleep0-21swapper/102:31:111
27945112999sleep0-21swapper/102:31:111
27980112357sleep0-21swapper/002:31:130
27980112357sleep0-21swapper/002:31:130
281619912279cyclictest18239-21latency_hist05:01:250
281619912187cyclictest6950irq/18-mmc006:16:270
281619911975cyclictest0-21swapper/007:37:050
281619911770cyclictest30783-21/usr/sbin/munin06:16:570
281619911675cyclictest6950irq/18-mmc005:41:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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