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2026-05-07 - 22:01
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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 rack7slot2.osadl.org (updated Thu May 07, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31926969910999,8cyclictest3212010-21kworker/u4:6+events_unbound08:30:371
3192695999413,70cyclictest3405037-21apt-get12:35:130
3192695998747,36cyclictest53-21kswapd010:15:010
3192695998242,37cyclictest3230780-21ssh09:17:170
3192696998172,6cyclictest3201698-21kworker/u4:12+events_unbound07:45:171
3192695998130,45cyclictest3313732-21gcc10:50:290
3192695998031,40cyclictest0-21swapper/012:15:000
319269599775,18cyclictest3366370-21ssh11:50:330
3192695997665,7cyclictest3296830-21sh10:30:410
3192696997228,16cyclictest3254804-21ssh09:44:401
3192696997228,16cyclictest3254804-21ssh09:44:401
319269599725,21cyclictest3194034-21latency_hist07:15:000
3192695997232,37cyclictest3344586-21proc_pri11:25:350
3192695997217,18cyclictest0-21swapper/008:25:370
3192695997217,18cyclictest0-21swapper/008:25:370
3192696997133,15cyclictest3239676-21ssh09:27:051
3192696997129,15cyclictest3268120-21ssh09:59:321
3192695997141,28cyclictest3246684-21fschecks_count09:35:190
3192695997134,31cyclictest0-21swapper/011:30:320
3192695997119,14cyclictest25650irq/23-42890000.ethernet11:35:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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