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2025-12-27 - 18:27
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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 Dec 27, 2025 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1576921940,6chrt27-21ksoftirqd/207:10:192
1576921940,6chrt27-21ksoftirqd/207:10:192
1576921940,6chrt27-21ksoftirqd/207:10:192
2294921440,4sleep20-21swapper/211:53:142
1742121310,2sleep017423-21ssh09:34:590
1742121310,2sleep017423-21ssh09:34:590
948821120,2sleep012-21ksoftirqd/010:00:150
948821120,2sleep012-21ksoftirqd/010:00:150
474221100,3chrt0-21swapper/311:00:343
474221100,3chrt0-21swapper/311:00:343
2488021050,3sleep30-21swapper/311:21:283
2488021050,3sleep30-21swapper/311:21:283
3271421040,3chrt0-21swapper/012:35:520
3271421040,3chrt0-21swapper/012:35:520
3271421040,3chrt0-21swapper/012:35:520
1157221020,3chrt0-21swapper/310:01:353
1157221020,3chrt0-21swapper/310:01:353
154212920,3sleep00-21swapper/008:40:220
154212920,3sleep00-21swapper/008:40:220
304362890,3sleep00-21swapper/012:00:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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