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2026-03-17 - 04:15
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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 Tue Mar 17, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
294669931672237,0cyclictest0-21swapper23:04:380
294669930581970,0cyclictest4472-21df23:05:200
2946699284326,0cyclictest0-21swapper23:49:450
29466992575744,0cyclictest9-21ksoftirqd/023:24:490
29466992486284,0cyclictest27568-1kworker/0:1H21:04:490
29466992433231,0cyclictest27568-1kworker/0:1H20:44:510
29466992404268,0cyclictest27568-1kworker/0:1H19:24:490
29466992388304,0cyclictest27568-1kworker/0:1H22:24:490
29466992361848,0cyclictest685-21runrttasks20:59:490
29466992352609,0cyclictest9-21ksoftirqd/000:29:490
29466992328270,0cyclictest27568-1kworker/0:1H19:49:500
29466992286307,0cyclictest27568-1kworker/0:1H22:19:480
29466992234616,0cyclictest1595-21jbd2/hda3-819:39:480
29466992224690,0cyclictest9182-21munin-node21:29:490
29466992218315,0cyclictest27568-1kworker/0:1H23:39:480
29466992125289,0cyclictest27568-1kworker/0:1H20:39:500
29466992099320,0cyclictest27568-1kworker/0:1H23:09:500
29466992077239,0cyclictest27568-1kworker/0:1H00:19:470
29466992056255,0cyclictest27568-1kworker/0:1H23:19:490
294669918931834,0cyclictest18381-21latency_hist20:09:500
29466991838747,0cyclictest20716-21munin-node22:09:490
29466991792719,0cyclictest0-21swapper00:09:480
294669917741674,0cyclictest7797-21latency_hist21:24:490
29466991767113,0cyclictest0-21swapper22:59:470
29466991749301,0cyclictest27568-1kworker/0:1H19:09:500
29466991738247,0cyclictest27568-1kworker/0:1H19:19:490
29466991737309,0cyclictest27568-1kworker/0:1H20:49:490
29466991731277,0cyclictest27568-1kworker/0:1H19:44:490
29466991716290,0cyclictest27568-1kworker/0:1H20:34:530
29466991709201,0cyclictest27568-1kworker/0:1H20:04:510
29466991709191,0cyclictest27568-1kworker/0:1H00:24:520
29466991693340,0cyclictest27568-1kworker/0:1H19:59:490
29466991687332,0cyclictest27568-1kworker/0:1H21:44:490
29466991683195,0cyclictest27568-1kworker/0:1H21:19:490
29466991680652,0cyclictest9-21ksoftirqd/020:14:520
29466991654246,0cyclictest27568-1kworker/0:1H23:29:480
29466991652318,0cyclictest27568-1kworker/0:1H21:09:500
29466991649275,0cyclictest27568-1kworker/0:1H23:49:520
29466991648283,0cyclictest27568-1kworker/0:1H20:19:490
29466991631266,0cyclictest27568-1kworker/0:1H22:34:530
29466991630324,0cyclictest27568-1kworker/0:1H21:39:510
29466991612292,0cyclictest27568-1kworker/0:1H20:29:490
29466991608242,0cyclictest27568-1kworker/0:1H22:49:480
29466991592318,0cyclictest27568-1kworker/0:1H23:59:520
29466991589233,0cyclictest27568-1kworker/0:1H21:49:480
29466991588221,0cyclictest27568-1kworker/0:1H19:34:520
29466991584654,0cyclictest9-21ksoftirqd/023:55:010
29466991569279,0cyclictest27568-1kworker/0:1H21:59:500
29466991557306,0cyclictest27568-1kworker/0:1H19:04:490
29466991547316,0cyclictest27568-1kworker/0:1H21:34:590
29466991542284,0cyclictest27568-1kworker/0:1H21:14:580
29466991513458,0cyclictest20393-21tune2fs22:07:350
29466991509415,0cyclictest9-21ksoftirqd/022:32:170
29466991507132,0cyclictest27568-1kworker/0:1H00:14:570
29466991463374,0cyclictest9-21ksoftirqd/000:07:220
29466991453299,0cyclictest27568-1kworker/0:1H19:14:580
29466991443282,0cyclictest27568-1kworker/0:1H20:54:580
29466991428305,0cyclictest27568-1kworker/0:1H21:55:010
29466991369250,0cyclictest27568-1kworker/0:1H20:25:010
10113440,0rcuc/027609-21cron18:59:410
29466991337735,0cyclictest9-21ksoftirqd/022:39:540
29466991328641,0cyclictest9-21ksoftirqd/023:14:570
29466991280180,0cyclictest27568-1kworker/0:1H22:44:500
29466991270250,0cyclictest27568-1kworker/0:1H19:29:490
29466991248404,0cyclictest1595-21jbd2/hda3-823:35:340
29466991229129,0cyclictest27568-1kworker/0:1H19:54:580
29466991029242,0cyclictest27568-1kworker/0:1H22:15:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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