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2026-06-21 - 21:22
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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 rack4slot1.osadl.org (updated Sun Jun 21, 2026 12:45:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
531521180,3sleep30-21swapper/311:30:513
531521180,3sleep30-21swapper/311:30:513
2364721100,3sleep20-21swapper/209:51:062
2364721100,3sleep20-21swapper/209:51:062
1924321050,4sleep30-21swapper/310:26:323
1924321050,4sleep30-21swapper/310:26:323
180021030,6sleep1131rcu_preempt10:45:511
180021030,6sleep1131rcu_preempt10:45:511
138512930,4sleep30-21swapper/310:20:413
138512930,4sleep30-21swapper/310:20:413
297112870,2chrt29716-21sendmail10:00:291
297112870,2chrt29716-21sendmail10:00:291
297112870,2chrt29716-21sendmail10:00:291
35912830,3sleep113028-21cyclictest08:15:481
35912830,3sleep113028-21cyclictest08:15:481
124472810,3sleep10-21swapper/110:19:061
124472810,3sleep10-21swapper/110:19:061
244102790,2sleep20-21swapper/207:45:362
244102790,2sleep20-21swapper/207:45:362
87162690,3sleep30-21swapper/311:35:453
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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