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2026-05-16 - 12:23
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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: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the 20 highest latencies:
System rack8slot1.osadl.org (updated Sat May 16, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
120059943724246,0cyclictest0-21swapper23:43:070
12005993271625,0cyclictest21582chrt00:01:120
12005992774707,0cyclictest2221-21sendmail_mailtr00:01:180
12005992472266,0cyclictest18381-1kworker/0:1H19:01:170
12005992442240,0cyclictest18381-1kworker/0:1H20:01:180
12005992418690,0cyclictest9-21ksoftirqd/000:26:180
12005992320536,0cyclictest30443-21latency_hist23:46:160
12005992310295,0cyclictest18381-1kworker/0:1H20:16:180
12005992295657,0cyclictest9-21ksoftirqd/022:16:180
12005992284680,0cyclictest9-21ksoftirqd/023:21:180
12005992276310,0cyclictest18381-1kworker/0:1H22:36:180
12005992270307,0cyclictest18381-1kworker/0:1H20:56:170
12005992265257,0cyclictest18381-1kworker/0:1H23:01:170
12005992258723,0cyclictest9-21ksoftirqd/019:46:170
12005992251541,0cyclictest9-21ksoftirqd/019:56:190
12005992117307,0cyclictest18381-1kworker/0:1H21:01:170
12005992099334,0cyclictest18381-1kworker/0:1H19:36:170
12005992093600,0cyclictest27987-21sendmail_mailtr23:36:200
12005992079330,0cyclictest18381-1kworker/0:1H21:56:170
12005992057742,0cyclictest9734-21latency_hist22:31:210
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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