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2026-06-15 - 23:52
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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 792 highest latencies:
System rack8slot1.osadl.org (updated Mon Jun 15, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25635992765828,0cyclictest0-21swapper23:59:240
25635992705247,0cyclictest1321-1kworker/0:1H18:59:300
25635992566318,0cyclictest18546-1kworker/0:0H23:59:300
25635992465281,0cyclictest1321-1kworker/0:1H22:39:290
25635992449703,0cyclictest11734-21sendmail_mailtr19:59:310
25635992307681,0cyclictest3708-21grep21:24:300
25635992291248,0cyclictest1321-1kworker/0:1H19:44:310
25635992279277,0cyclictest1321-1kworker/0:1H19:04:300
25635992275621,0cyclictest9-21ksoftirqd/019:19:300
25635992267308,0cyclictest1321-1kworker/0:1H19:24:310
25635992257519,0cyclictest9-21ksoftirqd/000:04:290
25635992244253,0cyclictest1321-1kworker/0:1H19:34:300
25635992196521,0cyclictest9-21ksoftirqd/022:14:290
25635992191277,0cyclictest1321-1kworker/0:1H22:19:300
25635992187233,0cyclictest1321-1kworker/0:1H21:34:300
25635992176627,0cyclictest9-21ksoftirqd/021:54:290
25635992168268,0cyclictest1321-1kworker/0:1H23:39:300
25635992148583,0cyclictest9-21ksoftirqd/021:14:300
25635992136567,0cyclictest30301-21cat21:04:290
25635992060607,0cyclictest9-21ksoftirqd/020:44:310
25635992025305,0cyclictest1321-1kworker/0:1H20:04:300
25635991991272,0cyclictest1321-1kworker/0:1H20:59:300
25635991957253,0cyclictest1321-1kworker/0:1H21:39:310
25635991944295,0cyclictest1321-1kworker/0:1H23:14:310
25635991928325,0cyclictest1321-1kworker/0:1H20:54:320
25635991911784,0cyclictest22659-21sort20:39:310
25635991905164,0cyclictest18546-1kworker/0:0H00:24:290
25635991897382,0cyclictest1321-1kworker/0:1H22:34:300
25635991879740,0cyclictest3854-21ls23:04:300
25635991827257,0cyclictest1321-1kworker/0:1H21:19:290
25635991823119,0cyclictest1321-1kworker/0:1H22:44:300
25635991815277,0cyclictest1321-1kworker/0:1H21:59:290
25635991811257,0cyclictest1321-1kworker/0:1H22:54:300
25635991780258,0cyclictest18546-1kworker/0:0H00:19:290
25635991774282,0cyclictest1321-1kworker/0:1H22:24:290
25635991752263,0cyclictest1321-1kworker/0:1H23:34:300
25635991737679,0cyclictest9858-21latency_hist23:24:290
25635991706567,0cyclictest9-21ksoftirqd/020:14:300
25635991693117,0cyclictest1321-1kworker/0:1H20:34:300
25635991683689,0cyclictest9-21ksoftirqd/021:44:290
25635991629258,0cyclictest1321-1kworker/0:1H21:29:330
25635991591218,0cyclictest1321-1kworker/0:1H19:14:300
25635991587145,0cyclictest1321-1kworker/0:1H20:19:290
25635991568665,0cyclictest31124-21seq22:49:400
25635991558687,0cyclictest9-21ksoftirqd/021:49:380
25635991553295,0cyclictest1321-1kworker/0:1H22:09:390
25635991464277,0cyclictest1321-1kworker/0:1H19:49:390
25635991458373,0cyclictest9-21ksoftirqd/022:07:030
25635991442607,0cyclictest9-21ksoftirqd/022:29:400
25635991442570,0cyclictest9-21ksoftirqd/023:29:390
25635991394199,0cyclictest1321-1kworker/0:1H22:59:300
10113750,0rcuc/09-21ksoftirqd/018:54:220
25635991329138,0cyclictest1321-1kworker/0:1H19:42:020
25635991315737,0cyclictest9-21ksoftirqd/023:49:390
25635991304650,0cyclictest9-21ksoftirqd/020:49:400
25635991304307,0cyclictest9-21ksoftirqd/023:22:040
25635991300574,0cyclictest9-21ksoftirqd/020:24:380
25635991280607,0cyclictest9-21ksoftirqd/000:09:390
25635991268217,0cyclictest18546-1kworker/0:0H00:14:290
25635991231576,0cyclictest9-21ksoftirqd/021:09:420
25635991211218,0cyclictest1321-1kworker/0:1H23:44:290
25635991079542,0cyclictest9-21ksoftirqd/019:09:430
25635991072217,0cyclictest1321-1kworker/0:1H19:54:300
25635991055556,0cyclictest9-21ksoftirqd/020:29:420
25635991022236,0cyclictest1321-1kworker/0:1H19:29:390
2563599998241,0cyclictest1321-1kworker/0:1H23:09:400
2563599958587,0cyclictest9-21ksoftirqd/020:09:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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