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2026-05-14 - 00:22
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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 Wed May 13, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2560499268242cyclictest729-21ssh10:02:330
2560499265238cyclictest19408-21runrttasks09:01:520
2560499261235cyclictest2719-21lxpanel10:20:460
2560499259233cyclictest820-21sh12:25:220
2560499259233cyclictest31592-21sh12:17:070
2560499257230cyclictest17358-21latency_hist11:15:300
2560499257227cyclictest27863-21latency_hist07:20:010
256049925687cyclictest28370-21memory07:20:550
2560499256226cyclictest20204-21netwatch11:27:210
256049925586cyclictest30521-21sh12:12:340
256049925392cyclictest13091-21netwatch10:56:170
256049925390cyclictest27462-21munin-node0
256049925389cyclictest32455-21runrttasks07:39:440
256049925368cyclictest3930-21rm12:37:590
2560499253223cyclictest20954-21ssh09:10:150
256049925291cyclictest19288-21runrttasks11:23:500
256049925191cyclictest30101-21netwatch07:28:500
256049925188cyclictest12533-21unixbench_singl08:31:500
256049925167cyclictest14366-21irqstats08:40:450
2560499251225cyclictest16250-21munin-run08:49:510
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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