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2026-05-24 - 12:44
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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 376 highest latencies:
System rack8slot1.osadl.org (updated Sun May 24, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
239209936193520,0cyclictest372150irq/5-eth000:25:480
23920992743270,0cyclictest7601-1kworker/0:1H19:00:500
23920992738180,0cyclictest9-21ksoftirqd/023:31:000
23920992719695,0cyclictest15550-21chrt23:48:200
23920992417232,0cyclictest7601-1kworker/0:1H22:00:500
23920992320307,0cyclictest7601-1kworker/0:1H20:00:500
23920992317683,0cyclictest9-21ksoftirqd/023:00:510
23920992208321,0cyclictest7601-1kworker/0:1H20:35:490
23920992178724,0cyclictest8016-21latency_hist21:35:490
239209921422082,0cyclictest4137-21lldpd23:20:500
239209920971931,0cyclictest9-21ksoftirqd/000:01:410
23920992059294,0cyclictest7601-1kworker/0:1H21:00:510
23920991952172,0cyclictest7601-1kworker/0:1H23:40:480
23920991915286,0cyclictest7601-1kworker/0:1H23:25:500
23920991885321,0cyclictest7601-1kworker/0:1H00:15:500
23920991871645,0cyclictest3795-21munin-node19:40:500
23920991866332,0cyclictest7601-1kworker/0:1H20:45:510
23920991812670,0cyclictest9-21ksoftirqd/019:55:490
23920991807274,0cyclictest7601-1kworker/0:1H21:50:530
23920991806284,0cyclictest7601-1kworker/0:1H22:40:500
23920991798290,0cyclictest7601-1kworker/0:1H21:45:490
23920991796324,0cyclictest7601-1kworker/0:1H22:15:490
23920991793246,0cyclictest7601-1kworker/0:1H22:10:530
23920991769328,0cyclictest7601-1kworker/0:1H00:05:510
23920991769290,0cyclictest7601-1kworker/0:1H23:55:470
23920991747647,0cyclictest9-21ksoftirqd/021:20:490
23920991733231,0cyclictest7601-1kworker/0:1H20:10:540
23920991713661,0cyclictest1595-21jbd2/hda3-820:05:480
23920991709303,0cyclictest7601-1kworker/0:1H22:45:490
23920991687235,0cyclictest7601-1kworker/0:1H19:25:490
23920991682243,0cyclictest7601-1kworker/0:1H19:35:510
23920991680713,0cyclictest0-21swapper23:35:490
23920991680644,0cyclictest9-21ksoftirqd/020:31:010
23920991676266,0cyclictest7601-1kworker/0:1H20:15:490
23920991660534,0cyclictest9-21ksoftirqd/020:40:510
23920991657596,0cyclictest9-21ksoftirqd/020:55:510
23920991648296,0cyclictest7601-1kworker/0:1H19:45:490
23920991648199,0cyclictest7601-1kworker/0:1H23:05:500
23920991646247,0cyclictest7601-1kworker/0:1H19:15:510
23920991625272,0cyclictest7601-1kworker/0:1H22:55:560
23920991614763,0cyclictest4207-21snmpd20:25:490
23920991611508,0cyclictest9-21ksoftirqd/021:15:490
23920991610336,0cyclictest7601-1kworker/0:1H19:11:010
23920991595235,0cyclictest7601-1kworker/0:1H20:30:540
23920991594236,0cyclictest7601-1kworker/0:1H22:20:550
23920991588293,0cyclictest7601-1kworker/0:1H22:30:590
23920991575484,0cyclictest1595-21jbd2/hda3-819:23:240
23920991531771,0cyclictest24989-21chrt00:20:530
23920991525267,0cyclictest7601-1kworker/0:1H19:51:000
23920991520280,0cyclictest7601-1kworker/0:1H00:11:000
23920991506129,0cyclictest7601-1kworker/0:1H20:51:010
23920991492518,0cyclictest29348-21apache21:33:320
23920991476675,0cyclictest9-21ksoftirqd/022:30:530
23920991453673,0cyclictest9-21ksoftirqd/019:10:540
23920991453297,0cyclictest7601-1kworker/0:1H22:35:530
23920991450330,0cyclictest9-21ksoftirqd/021:28:350
23920991440844,0cyclictest32436-21latency_hist21:10:530
23920991426247,0cyclictest7601-1kworker/0:1H19:00:440
239209913751279,0cyclictest4191-21lldpd23:54:330
23920991366259,0cyclictest7601-1kworker/0:1H21:55:540
23920991356729,0cyclictest9-21ksoftirqd/022:51:030
23920991353319,0cyclictest7601-1kworker/0:1H23:11:000
23920991336266,0cyclictest7601-1kworker/0:1H21:40:530
23920991291540,0cyclictest0-21swapper23:18:380
23920991175270,0cyclictest7601-1kworker/0:1H22:10:580
23920991096263,0cyclictest7601-1kworker/0:1H19:31:010
23920991043265,0cyclictest7601-1kworker/0:1H21:11:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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