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2026-05-07 - 07:29
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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
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackfslot4.osadl.org (updated Thu May 07, 2026 00:45:24)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2168923390,1sleep216115-21kworker/u8:1920:55:212
1310023380,1sleep19359-21kworker/u8:1323:00:221
2614723350,2sleep226134-21apt-get19:30:202
2296623180,2sleep10-21swapper/122:10:441
262823140,1sleep21497-21kworker/u8:2219:55:322
2802223120,2sleep10-21swapper/123:33:061
1563623120,1sleep113865-21kworker/u8:021:55:381
2614623110,1sleep125655-21kworker/u8:119:30:191
2555423080,2sleep10-21swapper/119:28:501
1541623070,3sleep215408-21ssh21:55:292
1182923040,2sleep10-21swapper/121:48:181
1182923040,2sleep10-21swapper/121:48:171
2600823030,2sleep20-21swapper/223:29:172
2775122970,10sleep2121rcu_preempt21:11:082
2396522950,7sleep1121rcu_preempt21:00:341
3170922920,2sleep10-21swapper/119:45:301
1567722900,3sleep215676-21ssh23:05:332
810922890,3sleep18108-21ssh22:50:171
2266622890,2sleep20-21swapper/219:20:142
1766122870,2sleep1121rcu_preempt22:00:351
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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