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2026-04-22 - 02:30
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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 Tue Apr 21, 2026 21:16:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3267126830,1sleep227-21ksoftirqd/219:12:272
3267126830,1sleep227-21ksoftirqd/219:12:272
802421080,4sleep28025-21grep19:32:262
3181421070,2sleep131462-21ls19:12:151
3181421070,2sleep131462-21ls19:12:151
2913221020,2sleep30-21swapper/320:27:273
2913221020,2sleep30-21swapper/320:27:273
1956821000,2sleep30-21swapper/320:02:273
1956821000,2sleep30-21swapper/320:02:273
1956821000,2sleep30-21swapper/320:02:273
316912800,3sleep031462-21ls19:12:140
316912800,3sleep031462-21ls19:12:140
324852710,2sleep30-21swapper/319:12:243
324852710,2sleep30-21swapper/319:12:243
145562590,2sleep014574-21latency_hist19:52:070
145562590,2sleep014574-21latency_hist19:52:070
321652520,5sleep00-21swapper/020:37:170
321652520,5sleep00-21swapper/020:37:170
99472490,3chrt0-21swapper/121:02:221
99472490,3chrt0-21swapper/121:02:221
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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