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2026-05-10 - 21:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 20 highest latencies:
System rack3slot7.osadl.org (updated Sun May 10, 2026 12:43:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3140120ksoftirqd/0969-21kworker/0:007:03:540
133209815412cyclictest9151-21if_eth012:08:530
133209814712cyclictest5086-21needreboot10:09:160
133209814614cyclictest29252-21mailstats09:43:540
133209814612cyclictest9386-21cpu10:24:060
133209814512cyclictest23011-21munin-node11:08:530
133209814512cyclictest13316-21munin-node08:48:510
133209814413cyclictest3618-21aten2.4-expect10:04:180
133209814413cyclictest30174-21seq07:59:320
133209814413cyclictest27192-21runrttasks11:20:560
133209814412cyclictest17682-21aten2.4_r3power12:34:250
133209814411cyclictest18435-21mailstats10:53:570
133209814313cyclictest7637-21idleruntime12:03:540
133209814313cyclictest30749-21sendmail_mailtr09:48:510
133209814313cyclictest18318-21latency_hist09:08:430
133209814313cyclictest15743-21aten2.4_r3power10:44:090
133209814312cyclictest2792-21runrttasks11:59:230
133209814312cyclictest13065-21cstates10:34:270
133209814214cyclictest14425-21aten2.4-expect10:39:180
133209814213cyclictest5198-21aten2.4_r3power08:24:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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