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2026-07-31 - 16:46
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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 Fri Jul 31, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
547599264238cyclictest2935-21runrttasks11:50:420
547599264235cyclictest6687-21sh11:53:500
547599264233cyclictest16025-21df10:13:040
547599260232cyclictest25204-21ssh10:53:180
547599259231cyclictest548-21diskmemload10:44:020
547599258232cyclictest22260-21munin-node0
547599258229cyclictest3582-1kworker/0:1H10:49:410
547599256227cyclictest628-21chrt11:28:090
547599255230cyclictest8493-21ntp_kernel_pll_09:39:490
547599255230cyclictest1865-21grep11:33:280
547599254221cyclictest29264-21sed08:49:320
547599254191cyclictest30720-21munin-run08:57:390
547599253229cyclictest16926-21munin-run07:57:390
547599253227cyclictest6573-21munin-run09:32:350
547599253226cyclictest11720-21perl09:53:530
547599253224cyclictest17272-21runrttasks10:18:220
547599253223cyclictest13508-21netwatch07:42:390
547599253221cyclictest27577-21fschecks_time08:43:080
547599251226cyclictest4690-21ssh09:24:030
547599251226cyclictest13996-21ssh12:26:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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