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2025-09-18 - 13:23
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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 rack0slot1.osadl.org (updated Thu Sep 18, 2025 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163702780,0sleep40-21swapper/412:20:514
163702780,0sleep40-21swapper/412:20:514
185422740,0sleep50-21swapper/510:03:375
247332690,0sleep10-21swapper/108:07:091
23192690,0sleep6691ktimersoftd/611:31:586
126902620,0sleep50-21swapper/510:00:165
2285725624,17sleep60-21swapper/607:04:186
2283124922,8sleep30-21swapper/307:04:153
2287324321,7sleep70-21swapper/707:04:197
2278924330,7sleep20-21swapper/207:04:062
2372424019,7sleep00-21swapper/007:05:400
1987823826,7sleep50-21swapper/507:01:525
2279523723,8sleep40-21swapper/407:04:084
2258823624,7sleep10-21swapper/107:03:171
44712220,1sleep25206-21kworker/u16:209:16:552
2522899224,17cyclictest216150irq/32-eth2-TxR09:53:291
2522899224,17cyclictest216150irq/32-eth2-TxR09:53:291
22252220,0sleep00-21swapper/010:32:400
152642220,1sleep561-21ksoftirqd/510:21:555
25228992119,1cyclictest25-21ksoftirqd/111:42:331
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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