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2026-05-22 - 01:04
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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 21, 2026 12:44:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
245673099118109,7cyclictest2639849-21kworker/u4:0+events_unbound12:26:060
24567309911087,18cyclictest53-21kswapd011:00:180
245673099908,74cyclictest2456727-21cyclictest07:10:010
2456730998980,7cyclictest2522477-21kworker/u4:7+events_unbound09:50:400
2456730997946,30cyclictest2605805-21lockfile-remove11:20:000
2456730997865,10cyclictest53-21kswapd007:20:130
2456733997566,7cyclictest2517875-21kworker/u4:3+events_unbound09:45:391
2456730997438,33cyclictest2489309-21switchtime09:10:400
2456730997438,33cyclictest2471700-21fschecks_time08:05:190
2456730997352,18cyclictest2456727-21cyclictest09:45:390
2456730997337,32cyclictest2497438-21aten_r7power_cu09:20:150
245673099732,6cyclictest2622245-21ssh11:37:320
2456730997137,31cyclictest2465098-21fschecks_count07:40:180
2456730997135,33cyclictest25650irq/23-42890000.ethernet12:15:210
2456730997059,8cyclictest2626121-21kworker/u4:3+events_unbound11:51:030
2456730997039,28cyclictest2459306-21http07:20:010
2456730997026,41cyclictest2647316-21interrupts12:05:200
2456733996961,6cyclictest2540948-21kworker/u4:7+events_unbound10:10:141
245673099698,14cyclictest2557029-21gltestperf10:25:200
2456730996934,30cyclictest2670559-21grep12:30:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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