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2026-04-28 - 03:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Tue Apr 28, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151152850,0ktimers/028071sleep19:13:440
525504900,0irq/11-sym53c8x130250irq/15-NE200020:30:080
1514780,0ktimers/0278741sleep21:31:210
1514780,0ktimers/0223011sleep00:24:430
290799474102,0cyclictest0-21swapper19:40:140
1514720,0ktimers/046901sleep22:30:140
29079946937,0cyclictest12545-21cron23:19:580
1514670,0ktimers/080491sleep22:51:390
290799465116,0cyclictest0-21swapper21:00:530
1514650,0ktimers/0275081sleep21:29:380
1514590,0ktimers/0290271sleep21:39:370
1514590,0ktimers/0252841sleep00:44:060
1514560,0ktimers/0125621sleep20:07:330
1514550,0ktimers/0112691sleep23:11:200
29079945430,0cyclictest894-21jbd2/sda1-820:50:080
525504530,0irq/11-sym53c8x130250irq/15-NE200020:10:310
1514530,0ktimers/0143571sleep20:16:230
1514510,0ktimers/0241271sleep21:07:160
1514490,0ktimers/0148011sleep20:20:290
1514460,0ktimers/0176331sleep20:36:000
1514450,0ktimers/0184971sleep20:41:060
290799442133,0cyclictest25371-21diskmemload22:41:310
1514420,0ktimers/098221chrt23:01:250
1514410,0ktimers/090951sleep19:47:220
1514390,0ktimers/0268981sleep21:24:430
1514380,0ktimers/0107331sleep23:07:080
290799436115,0cyclictest0-21swapper21:16:390
290799434123,0cyclictest0-21swapper20:00:140
290799432111,0cyclictest0-21swapper22:24:560
1514310,0ktimers/0226031sleep00:26:350
29079942876,0cyclictest3029-21ssh22:19:570
1514270,0ktimers/0164241sleep20:29:170
525504240,0irq/11-sym53c8x130250irq/15-NE200022:00:400
290799423111,0cyclictest0-21swapper23:52:210
290799422122,0cyclictest14084-21cron23:29:580
290799422116,0cyclictest0-21swapper22:07:150
29079942186,0cyclictest0-21swapper00:13:390
290799420135,0cyclictest21580-21sh00:18:330
290799420118,0cyclictest0-21swapper21:54:430
290799420115,0cyclictest0-21swapper23:37:440
290799418113,0cyclictest0-21swapper22:49:080
290799416142,0cyclictest0-21swapper19:29:580
290799416110,0cyclictest0-21swapper23:24:050
525504150,0irq/11-sym53c8x130250irq/15-NE200020:49:390
29079941584,0cyclictest0-21swapper21:47:490
290799415130,0cyclictest14736-21ssh23:32:150
290799414115,0cyclictest9838-21munin-node19:56:160
290799410104,0cyclictest0-21swapper23:49:410
290799408101,0cyclictest0-21swapper21:58:150
1514070,0ktimers/096581sleep19:53:400
1514050,0ktimers/094371sleep22:59:300
1514040,0ktimers/0243631sleep21:10:070
290799402115,0cyclictest0-21swapper00:07:410
290799399123,0cyclictest25371-21diskmemload00:38:040
290799396104,0cyclictest7357-21cron19:39:590
290799393110,0cyclictest130250irq/15-NE200022:12:380
290799393106,0cyclictest0-21swapper00:33:290
29079938786,0cyclictest21700-21timerandwakeup20:56:380
290799384140,0cyclictest3729-21runrttasks19:15:310
1513840,0ktimers/057941sleep22:35:590
29079937540,0cyclictest0-21swapper19:22:320
29079937340,0cyclictest3460-21snmpd21:42:030
1513730,0ktimers/0189951sleep00:02:120
29079936744,0cyclictest0-21swapper22:25:300
290799273117,0cyclictest15889-21chrt23:41:060
290799257102,0cyclictest0-21swapper23:56:450
290799228129,0cyclictest3460-21snmpd19:32:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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