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2025-12-24 - 00:10
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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 Tue Dec 23, 2025 12:45:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2884523630,1sleep226483-21kworker/u8:007:40:152
1540023620,2sleep10-21swapper/111:50:271
3275523570,4sleep2241rcuc/207:50:172
3275423540,1sleep132077-21kworker/u8:807:50:161
3038423530,2sleep2121rcu_preempt09:10:042
3038423530,2sleep2121rcu_preempt09:10:042
105523150,19sleep10-21swapper/110:18:041
2348723130,1sleep120856-21kworker/u8:607:25:181
2348723130,1sleep120856-21kworker/u8:607:25:171
1989623120,2sleep231784-21kworker/2:209:51:052
2128123110,1sleep219562-21kworker/u8:1712:00:322
1976823100,3sleep10-21swapper/111:58:261
542923060,2sleep25375-21ssh11:30:232
2976523050,1sleep217448-21kworker/u8:310:10:322
1457523040,3sleep114569-21sed08:25:321
535723030,1sleep14075-21kworker/u8:1411:30:231
910023020,2sleep20-21swapper/210:34:452
2462023020,1sleep222765-21kworker/u8:210:00:272
260923010,1sleep22265-21kworker/u8:212:28:462
3086322980,2sleep10-21swapper/110:13:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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