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2026-07-29 - 12:51
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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 Jul 29, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74062254516sleep7405-21forks19:02:470
843899256228cyclictest24081-21df22:37:550
843899256226cyclictest7745-21ssh23:48:340
843899256191cyclictest20582-21/usr/sbin/munin22:23:020
843899255190cyclictest2935-21runrttasks20:34:130
843899251226cyclictest5333-21df23:38:060
843899249223cyclictest10033-21fschecks_count23:58:380
843899249218cyclictest10826-21perl21:38:520
843899248224cyclictest2980-21gmain22:44:470
843899248219cyclictest14975-21munin-node0
843899248218cyclictest22171-21runrttasks20:07:300
84389924749cyclictest16587-21irqstats22:04:160
843899247222cyclictest19086-21ntpq22:15:060
843899247221cyclictest6362-21ssh21:19:050
843899247181cyclictest878-21grep23:18:430
843899246217cyclictest9681-21ssh21:33:530
843899246215cyclictest6867-21munin-node0
843899246186cyclictest18113-21interrupts00:34:060
84389924552cyclictest13901-21ntp_states00:15:300
843899245181cyclictest9283-21chrt19:09:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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