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2025-12-24 - 11:58
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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 highest latencies:
System rack8slot1.osadl.org (updated Wed Dec 24, 2025 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
194309932843167,0cyclictest2910-21aten2.4_r8power23:16:000
194309931803057,0cyclictest330-21sh23:09:230
19430992954270,0cyclictest11814-1kworker/0:1H23:09:360
194309927452272,0cyclictest0-21swapper23:35:590
19430992692263,0cyclictest11814-1kworker/0:1H22:09:360
19430992635283,0cyclictest11814-1kworker/0:1H21:09:360
19430992612864,0cyclictest0-21swapper23:25:460
19430992611138,0cyclictest11814-1kworker/0:1H20:09:360
19430992493272,0cyclictest11814-1kworker/0:1H00:09:330
19430992338720,0cyclictest11410-21munin-node20:24:350
19430992258301,0cyclictest11814-1kworker/0:1H19:54:350
19430992258298,0cyclictest11814-1kworker/0:1H22:54:350
19430992257704,0cyclictest1595-21jbd2/hda3-821:14:340
19430992246289,0cyclictest11814-1kworker/0:1H00:14:350
19430992219361,0cyclictest11814-1kworker/0:1H22:59:380
19430992217313,0cyclictest11814-1kworker/0:1H19:29:350
19430992119216,0cyclictest11814-1kworker/0:1H22:34:340
19430992105233,0cyclictest11814-1kworker/0:1H19:44:340
19430992058248,0cyclictest11814-1kworker/0:1H21:54:350
19430992045280,0cyclictest11814-1kworker/0:1H19:49:360
19430992034240,0cyclictest11814-1kworker/0:1H22:44:350
19430991986282,0cyclictest11814-1kworker/0:1H19:24:350
19430991984144,0cyclictest11814-1kworker/0:1H20:34:350
19430991973208,0cyclictest11814-1kworker/0:1H19:14:360
194309919691824,0cyclictest16176-21latency_hist20:39:400
19430991920290,0cyclictest11814-1kworker/0:1H21:04:350
19430991799298,0cyclictest11814-1kworker/0:1H20:19:390
19430991798268,0cyclictest11814-1kworker/0:1H19:09:340
19430991787647,0cyclictest12949-21munin-node20:29:370
194309917631656,0cyclictest4191-21lldpd21:04:310
19430991748812,0cyclictest4137-21lldpd00:34:350
19430991734304,0cyclictest11814-1kworker/0:1H22:19:380
19430991724236,0cyclictest11814-1kworker/0:1H21:34:350
194309917231442,0cyclictest11814-1kworker/0:1H19:37:140
19430991721725,0cyclictest9-21ksoftirqd/020:54:360
19430991700224,0cyclictest11814-1kworker/0:1H20:44:370
19430991697662,0cyclictest9-21ksoftirqd/021:49:350
19430991680735,0cyclictest9-21ksoftirqd/023:39:390
19430991676332,0cyclictest11814-1kworker/0:1H22:39:390
19430991654265,0cyclictest11814-1kworker/0:1H22:49:340
19430991628288,0cyclictest11814-1kworker/0:1H23:54:350
19430991617616,0cyclictest9-21ksoftirqd/000:29:350
19430991604299,0cyclictest11814-1kworker/0:1H23:44:350
19430991526420,0cyclictest1595-21jbd2/hda3-821:42:180
19430991513329,0cyclictest26088-21perl00:27:060
19430991499436,0cyclictest1595-21jbd2/hda3-821:22:260
19430991497247,0cyclictest11814-1kworker/0:1H20:07:040
19430991495509,0cyclictest21052-21tune2fs20:52:030
19430991493523,0cyclictest9-21ksoftirqd/000:12:140
19430991488288,0cyclictest11814-1kworker/0:1H23:29:390
19430991476279,0cyclictest11814-1kworker/0:1H21:24:390
19430991470446,0cyclictest1595-21jbd2/hda3-820:02:200
194309914511165,0cyclictest17772-21chrt00:02:110
19430991441385,0cyclictest9-21ksoftirqd/023:52:130
19430991409614,0cyclictest9-21ksoftirqd/019:39:450
10114070,0rcuc/017575-21cron19:04:270
19430991390725,0cyclictest9-21ksoftirqd/021:44:380
19430991384183,0cyclictest11814-1kworker/0:1H19:19:430
19430991380274,0cyclictest11814-1kworker/0:1H21:29:360
19430991370238,0cyclictest11814-1kworker/0:1H22:02:130
19430991341774,0cyclictest19434-21which22:29:380
19430991314776,0cyclictest16144-21mailstats22:19:440
194309913131200,0cyclictest0-21swapper23:20:310
19430991257216,0cyclictest11814-1kworker/0:1H00:19:450
19430991242309,0cyclictest9-21ksoftirqd/022:27:040
19430991194272,0cyclictest11814-1kworker/0:1H20:14:360
19430991183671,0cyclictest9-21ksoftirqd/022:05:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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