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2026-07-27 - 23:43
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack1slot2.osadl.org (updated Mon Jul 27, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30550994747,0cyclictest24977-21kworker/2:109:23:032
3011124431,0sleep00-21swapper/007:24:240
3013924029,0sleep30-21swapper/307:24:473
3028523728,0sleep20-21swapper/207:26:262
3031923425,0sleep10-21swapper/107:26:531
30550991212,0cyclictest3524-21snmpd09:31:302
305509988,0cyclictest27666-21sensors11:29:062
339970,0migration/314820-21taskset10:26:243
329970,0watchdog/332198-21ssh12:10:553
8305060,0irq/26-0000:00:8863-21crond10:43:432
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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