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2026-06-13 - 07:40
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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 Sat Jun 13, 2026 00:45:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1627321140,4sleep10-21swapper/120:45:321
1627321140,4sleep10-21swapper/120:45:321
306421070,3sleep30-21swapper/323:23:053
306421070,3sleep30-21swapper/323:23:053
3052121050,3chrt0-21swapper/323:16:223
3052121050,3chrt0-21swapper/323:16:223
3052121050,3chrt0-21swapper/323:16:223
3149121030,3sleep30-21swapper/321:17:423
3149121030,3sleep30-21swapper/321:17:423
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
2617121030,4sleep224976-21/usr/sbin/munin23:10:422
36612970,4sleep23655-21gzip00:00:422
36612970,4sleep23655-21gzip00:00:422
103382940,4chrt0-21swapper/300:09:353
103382940,4chrt0-21swapper/300:09:353
282562880,3sleep30-21swapper/323:50:423
282562880,3sleep30-21swapper/323:50:423
290542860,3chrt0-21swapper/200:30:442
290542860,3chrt0-21swapper/200:30:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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