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2025-11-21 - 15:22
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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 Fri Nov 21, 2025 00:45:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3079023000,2sleep10-21swapper/119:05:321
3075222740,2sleep214096-1kworker/u9:419:05:292
3071622670,2sleep30-21swapper/319:05:263
3162598112107,3cyclictest10113-21kworker/u8:1619:41:551
3162598106100,4cyclictest5149-21kworker/u8:5123:12:021
31632989285,4cyclictest31-21ksoftirqd/319:41:553
31632988679,5cyclictest31-21ksoftirqd/323:12:033
31625987265,5cyclictest8283-21kworker/u8:2421:02:491
31632985243,6cyclictest31-21ksoftirqd/321:02:483
31625984841,4cyclictest19-21ksoftirqd/122:42:091
183482440,2sleep218343-21ssh22:28:562
31625984338,3cyclictest16000-21kworker/u8:419:57:161
3162298433,10cyclictest252932kworker/u9:020:42:220
3162298433,10cyclictest252932kworker/u9:020:42:210
45292420,14sleep10-21swapper/100:13:191
55102410,2sleep24382-21/usr/sbin/munin22:00:432
150532400,2sleep10-21swapper/100:35:021
3162298398,3cyclictest119750irq/29-4f00000.00:00:010
87662380,2sleep20-21swapper/200:20:472
45212380,2sleep30-21swapper/300:13:173
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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