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2026-09-09 - 12:14
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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 792 highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Wed Sep 09, 2026 00:44:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151151220,0ktimers/0320731sleep19:15:480
1514630,0ktimers/0233311sleep00:35:580
525504570,0irq/11-sym53c8x130250irq/15-NE200023:50:390
525504560,0irq/11-sym53c8x130250irq/15-NE200021:35:020
1514560,0ktimers/0181421sleep00:02:170
1514550,0ktimers/0299111sleep21:52:000
1514540,0ktimers/0127311sleep23:30:140
50899441129,0cyclictest0-21swapper19:35:460
1514380,0ktimers/0251581chrt21:22:230
1514350,0ktimers/097081sleep20:08:380
5089943236,0cyclictest19932-21needreboot20:56:560
1514270,0ktimers/045811sleep19:43:460
50899416137,0cyclictest0-21swapper20:27:380
5089941537,0cyclictest23102-21ssh00:35:040
1514130,0ktimers/0214791sleep00:24:110
50899410108,0cyclictest22675-21mailstats21:10:470
5089940733,0cyclictest48-21kswapd019:30:280
5089940582,0cyclictest21683-21ssh00:25:440
5089940431,0cyclictest0-21swapper20:22:200
50899403101,0cyclictest0-21swapper23:03:470
525504020,0irq/11-sym53c8x130250irq/15-NE200022:25:030
5089940131,0cyclictest6354-21sh22:50:280
5089940035,0cyclictest24212-21mailstats00:40:530
50899400129,0cyclictest26097-21cpu21:27:220
1513990,0ktimers/090651sleep23:07:420
50899395137,0cyclictest0-21swapper21:05:530
50899394129,0cyclictest0-21swapper19:55:430
5089939329,0cyclictest17262-21mailstats20:45:440
5089939326,0cyclictest1356-21ssh22:16:040
5089939177,0cyclictest17411-21kworker/u4:2+rpciod00:47:090
525503900,0irq/11-sym53c8x130250irq/15-NE200019:51:080
5089939029,0cyclictest3729-21runrttasks21:36:120
525503890,0irq/11-sym53c8x130250irq/15-NE200020:40:300
5089938936,0cyclictest21035-21sh00:20:400
5089938833,0cyclictest48-21kswapd023:41:260
5089938735,0cyclictest11799-21chrt23:25:040
5089938732,0cyclictest13845-21ssh23:35:560
50899385118,0cyclictest0-21swapper22:13:010
50899385107,0cyclictest10933-21ls20:15:320
50899384117,0cyclictest0-21swapper19:46:000
5089938336,0cyclictest8461-21nfs_client20:01:450
5089938335,0cyclictest2950-21ssh22:26:240
50899383111,0cyclictest0-21swapper21:43:380
50899382114,0cyclictest0-21swapper21:47:060
5089938133,0cyclictest0-21swapper23:31:280
5089938129,0cyclictest24508-21runrttasks21:17:240
50899381115,0cyclictest0-21swapper22:38:550
1513810,0ktimers/0196591sleep00:10:590
5089938035,0cyclictest3751-21ssh22:30:550
50899377115,0cyclictest0-21swapper22:41:400
5089937630,0cyclictest18762-21cut20:51:520
5089937531,0cyclictest13999-21sshd20:30:440
50899375114,0cyclictest0-21swapper22:03:170
1513740,0ktimers/0116381sleep20:19:170
50899373114,0cyclictest0-21swapper23:53:230
50899373106,0cyclictest0-21swapper22:58:290
5089937229,0cyclictest1136-21sshd19:22:440
50899370128,0cyclictest0-21swapper21:05:030
50899370117,0cyclictest16856-21sh23:55:490
50899369116,0cyclictest506-21cyclictest22:10:280
5089936887,0cyclictest2479-21chrt19:31:440
5089936835,0cyclictest10595-21chrt23:16:250
5089936732,0cyclictest30370-21grep21:55:480
50899365102,0cyclictest0-21swapper22:53:050
5089936429,0cyclictest18907-21ssh00:06:560
5089936331,0cyclictest16731-21chrt20:42:040
5089936130,0cyclictest10216-21sh23:14:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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