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2026-05-10 - 07:50
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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 Sun May 10, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2299699390524,0cyclictest0-21swapper23:01:330
229969935251196,0cyclictest31828-21python00:02:240
229969932161750,0cyclictest0-21swapper00:01:330
22996992786629,0cyclictest10151-21latency_hist23:01:370
22996992774256,0cyclictest22960-1kworker/0:0H21:01:380
229969927611533,0cyclictest0-21swapper00:12:070
22996992717725,0cyclictest19019-21munin-node23:26:370
22996992682653,0cyclictest1611-21cron21:06:370
22996992542482,0cyclictest9-21ksoftirqd/020:06:380
22996992526655,0cyclictest9-21ksoftirqd/019:01:380
22996992482249,0cyclictest22960-1kworker/0:0H20:16:380
22996992466647,0cyclictest9-21ksoftirqd/023:46:370
22996992457285,0cyclictest1870-1kworker/0:1H22:01:380
22996992451672,0cyclictest1238-21chrt22:36:380
22996992440207,0cyclictest22960-1kworker/0:0H20:01:380
229969924371257,0cyclictest0-21swapper00:23:490
22996992411262,0cyclictest22960-1kworker/0:0H20:36:370
22996992410283,0cyclictest1870-1kworker/0:1H23:16:370
22996992388566,0cyclictest15963-21munin-node21:46:380
22996992365745,0cyclictest22573-21cut23:36:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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