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2025-12-21 - 17:44
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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 Sun Dec 21, 2025 12:45:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2853823380,1sleep126793-21kworker/u8:710:35:281
1142923360,2sleep20-21swapper/208:55:162
2596623220,3sleep225965-21ssh09:26:032
126523180,2sleep129334-1kworker/u9:310:45:331
126523180,2sleep129334-1kworker/u9:310:45:331
3045523140,9sleep119-21ksoftirqd/111:44:521
3210223120,1sleep226278-21kworker/u8:109:40:012
952823100,2sleep10-21swapper/112:05:321
2398323070,4sleep119-21ksoftirqd/112:35:111
2398323070,4sleep119-21ksoftirqd/112:35:101
3110723050,1sleep224238-21kworker/u8:610:40:312
1684023030,2sleep20-21swapper/210:12:452
1787823020,4sleep1181rcuc/110:15:221
855722990,3sleep21881-21snmpd08:45:302
1337822980,2sleep20-21swapper/210:05:302
1337822980,2sleep20-21swapper/210:05:292
1289922980,2sleep10-21swapper/108:58:411
809322960,3sleep18092-21ssh12:03:381
1770822940,1sleep215559-21kworker/u8:1407:45:012
617622910,1sleep227393-21kworker/u8:212:00:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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