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2026-06-11 - 11:46
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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 Thu Jun 11, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267421350,4sleep333-21ksoftirqd/300:25:313
267421350,4sleep333-21ksoftirqd/300:25:313
2676321110,3sleep2131rcu_preempt19:10:372
99321050,4sleep1201rcuc/121:00:321
99321050,4sleep1201rcuc/121:00:321
317072940,2sleep20-21swapper/223:01:422
317072940,2sleep20-21swapper/223:01:422
317072940,2sleep20-21swapper/223:01:422
298122880,4sleep129803-21ssh23:40:191
298122880,4sleep129803-21ssh23:40:191
268542820,2sleep20-21swapper/221:37:382
268542820,2sleep20-21swapper/221:37:382
147152810,2sleep20-21swapper/223:20:392
147152810,2sleep20-21swapper/223:20:392
147152810,2sleep20-21swapper/223:20:392
8552800,2chrt32556-21/usr/sbin/munin21:45:382
8552800,2chrt32556-21/usr/sbin/munin21:45:382
210132800,2sleep20-21swapper/220:25:322
210132800,2sleep20-21swapper/220:25:322
131692760,3sleep20-21swapper/200:37:322
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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