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2026-07-14 - 10:59
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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 Jul 14, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16686227619sleep16689-21missed_timers19:03:320
1745999259232cyclictest26378-21ssh00:29:430
1745999256227cyclictest2827-21sendmail-mta23:24:130
1745999253226cyclictest15050-21df21:18:390
1745999252229cyclictest2642-21munin-node22:08:080
1745999249219cyclictest22509-21chrt21:50:290
1745999248179cyclictest12719-21chrt21:08:160
1745999247183cyclictest30413-21runrttasks22:25:090
1745999247181cyclictest2719-21lxpanel23:00:260
1745999247179cyclictest21936-21missed_timers00:10:010
1745999246218cyclictest7660-21munin-node0
1745999246216cyclictest2869-21snmpd23:14:010
1745999245219cyclictest24163-21ssh21:58:360
1745999245184cyclictest24296-21netwatch19:38:000
1745999244217cyclictest28128-21munin-run00:38:060
1745999244216cyclictest2885-21gvfs-afc-volume23:48:350
1745999244216cyclictest21991-21latency_hist19:28:240
1745999243216cyclictest18599-21ssh23:55:220
1745999243215cyclictest7025-21ssh23:04:460
1745999243215cyclictest29328-21ssh22:20:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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