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2025-05-03 - 01:26
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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 Fri May 02, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1874721050,2sleep20-21swapper/210:26:232
1874721050,2sleep20-21swapper/210:26:232
802621020,2sleep0151rcuc/010:51:400
802621020,2sleep0151rcuc/010:51:400
57521010,3sleep20-21swapper/212:29:372
57521010,3sleep20-21swapper/212:29:372
238472870,3sleep30-21swapper/312:21:063
104852870,3sleep10-21swapper/109:36:141
104852870,3sleep10-21swapper/109:36:141
104852870,3sleep10-21swapper/109:36:141
57222790,3chrt0-21swapper/110:11:061
57222790,3chrt0-21swapper/110:11:061
15072770,3sleep20-21swapper/211:58:422
15072770,3sleep20-21swapper/211:58:422
29992750,3sleep30-21swapper/308:16:313
29992750,3sleep30-21swapper/308:16:313
29992750,3sleep30-21swapper/308:16:313
270712750,3sleep227075-21latency_hist09:16:052
270712750,3sleep227075-21latency_hist09:16:052
212232720,3sleep30-21swapper/310:29:093
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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