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2026-03-31 - 10:14
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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 Tue Mar 31, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298972116920sleep29899-21sh19:06:590
2996799260231cyclictest11960-21missed_timers22:24:040
299679925971cyclictest29649-21munin-node0
2996799259235cyclictest7661-1kworker/0:1H00:05:120
2996799259230cyclictest27542-21ssh21:18:200
2996799258235cyclictest1589-21chrt21:43:570
2996799258231cyclictest10332-21fschecks_time20:02:400
299679925781cyclictest25941-21ssh21:11:590
299679925778cyclictest2726-21lxpanel23:44:120
299679925678cyclictest8132-21if_err_eth019:52:490
2996799256231cyclictest7796-21latency_hist19:52:110
2996799256224cyclictest4059-21cut21:53:120
2996799255230cyclictest494-21processes21:39:290
2996799255229cyclictest8170-21ssh00:18:010
299679925490cyclictest24016-21munin-run23:12:210
299679925489cyclictest12963-21sshd20:13:240
2996799254230cyclictest1861-21ping19:25:170
2996799254229cyclictest30743-21unixbench_singl19:08:470
2996799254225cyclictest9823-21munin-node0
2996799254221cyclictest6682-21ssh22:03:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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