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2026-08-20 - 13:54
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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 Thu Aug 20, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11680230222sleep11678-21head19:02:550
1208799261232cyclictest24560-21ssh22:22:060
1208799259225cyclictest20220-21munin-node0
1208799257227cyclictest12502-21irqstats21:28:380
1208799255224cyclictest22222-21sshd19:49:430
1208799254224cyclictest14281-21netwatch21:36:490
1208799250218cyclictest2827-21sendmail-mta22:54:430
1208799250189cyclictest23530-21latency_hist19:57:200
1208799249221cyclictest2869-21snmpd20:56:170
1208799249221cyclictest19018-21df_inode21:57:410
1208799249217cyclictest26171-21irqstats22:28:320
1208799248221cyclictest19249-21ssh21:58:100
1208799248220cyclictest2546-21Xorg20:32:300
1208799248205cyclictest25685-21ssh22:27:030
1208799248185cyclictest30235-21munin-node0
1208799247222cyclictest18117-21ssh00:16:040
1208799247222cyclictest13364-21df19:12:210
1208799246220cyclictest19671-21ssh00:22:530
1208799246218cyclictest2935-21runrttasks20:11:250
1208799246218cyclictest25836-21latency_hist20:07:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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