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2025-12-20 - 11:45
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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 Sat Dec 20, 2025 00:45:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1465725320,1sleep211006-21kworker/u8:521:45:162
176523760,2sleep1121rcu_preempt22:22:301
811623220,1sleep17107-21kworker/u8:1823:40:161
940523170,3sleep29406-21/usr/sbin/munin20:15:412
2670223110,2sleep126695-21ssh00:15:351
329923070,2sleep23013-21/usr/sbin/munin23:30:202
2373123070,2sleep10-21swapper/119:28:451
3192523030,2sleep131913-21ssh00:25:371
1144523010,1sleep231286-21kworker/u8:422:40:482
2519022980,1sleep224901-21kworker/u8:021:00:162
1465522970,3sleep111006-21kworker/u8:521:45:151
2801022950,1sleep126204-21kworker/u8:1822:10:291
2620822950,1sleep221857-21kworker/u8:123:10:352
507122940,4sleep2251ksoftirqd/200:36:032
2122422920,2sleep20-21swapper/220:50:142
2858922910,2sleep10-21swapper/121:06:521
2674022910,1sleep125434-21kworker/u8:019:35:321
2155722880,1sleep117340-21kworker/u8:600:05:301
2067122880,2sleep20-21swapper/219:20:182
2067122880,2sleep20-21swapper/219:20:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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