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2025-11-12 - 12:48
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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 Wed Nov 12, 2025 00:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297721110,7chrt33-21ksoftirqd/320:15:463
297721110,7chrt33-21ksoftirqd/320:15:463
1249921060,3sleep00-21swapper/023:57:150
1249921060,3sleep00-21swapper/023:57:150
451021010,2sleep121-21ksoftirqd/122:36:581
451021010,2sleep121-21ksoftirqd/122:36:581
49372970,3chrt0-21swapper/321:25:543
49372970,3chrt0-21swapper/321:25:543
234912950,3sleep00-21swapper/022:58:230
234912950,3sleep00-21swapper/022:58:230
313682840,3sleep30-21swapper/321:19:593
313682840,3sleep30-21swapper/321:19:593
322782770,3sleep10-21swapper/123:08:161
1256199703,49cyclictest15338-21ssh23:25:442
1256199703,49cyclictest15338-21ssh23:25:442
315152690,3sleep10-21swapper/122:30:551
43512680,4sleep30-21swapper/323:13:133
43512680,4sleep30-21swapper/323:13:133
158542670,4sleep10-21swapper/100:00:531
158542670,4sleep10-21swapper/100:00:531
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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