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2025-10-03 - 08:01
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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 Oct 03, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19399240220sleep19401-21missed_timers19:03:250
2016399254227cyclictest31051-21ntp_states19:54:220
2016399251224cyclictest17116-21ssh21:14:400
2016399249220cyclictest10938-21cpu23:08:090
2016399248223cyclictest3122-21grep22:33:340
2016399248219cyclictest12246-21sh23:13:410
2016399248180cyclictest27971-21grep22:00:210
2016399247219cyclictest20001-21ssh21:27:210
2016399247185cyclictest2643-21munin-node20:53:060
2016399246215cyclictest1645-21df_inode20:08:210
2016399245220cyclictest26623-21grep21:54:430
2016399245219cyclictest988-21ssh22:24:200
2016399245216cyclictest28409-21ssh00:24:280
2016399245215cyclictest30987-21ssh22:13:490
201639924467cyclictest2938-21runrttasks23:44:360
2016399244217cyclictest25288-21ifplugd19:48:280
2016399244215cyclictest22991-21idleruntime21:39:410
2016399243218cyclictest2720-21lxpanel23:29:140
2016399243215cyclictest6408-21ssh22:48:110
2016399243215cyclictest4225-21latency_hist22:38:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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