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2026-08-23 - 17:41
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 20 highest latencies:
System rack7slot3.osadl.org (updated Sun Aug 23, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99562217219sleep9958-21unixbench_singl07:02:450
1038099269243cyclictest5596-21diskmemload10:46:120
1038099269240cyclictest25601-21df10:32:260
1038099266240cyclictest29202-21cat08:27:490
1038099266198cyclictest7633-21runrttasks11:35:060
1038099264237cyclictest8753-21ssh09:19:340
103809926270cyclictest20393-21munin-run12:31:520
103809926149cyclictest31155-21munin-run10:57:060
1038099260230cyclictest18098-21ssh09:59:070
1038099260194cyclictest22318-21latency07:57:520
1038099259231cyclictest7368-1kworker/0:2H11:07:460
1038099256228cyclictest4668-21df_inode11:22:310
1038099256191cyclictest5584-21sh11:26:350
1038099255231cyclictest9708-21diskmemload09:23:400
1038099255222cyclictest21532-21munin-run12:37:100
1038099255221cyclictest26850-21latency_hist10:37:410
103809925465cyclictest32335-21df08:42:110
1038099254228cyclictest16760-21runrttasks12:15:220
1038099254227cyclictest10206-21ssh11:47:030
1038099254225cyclictest23381-21ssh10:22:300
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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