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2026-06-26 - 03:35
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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 Fri Jun 26, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
220929931953082,0cyclictest0-21swapper23:58:440
2209299314232,0cyclictest24575-1kworker/0:1H20:53:450
22092992842484,0cyclictest3392-21munin-node23:18:470
22092992737187,0cyclictest24575-1kworker/0:1H22:58:500
22092992561287,0cyclictest24575-1kworker/0:1H19:58:500
22092992498266,0cyclictest24575-1kworker/0:1H20:58:490
22092992407742,0cyclictest5653-21sshd19:53:500
22092992359263,0cyclictest24575-1kworker/0:1H18:58:490
22092992356762,0cyclictest10026-21munin-node23:38:480
22092992314149,0cyclictest24575-1kworker/0:1H00:23:480
22092992312368,0cyclictest24575-1kworker/0:1H21:23:500
22092992225325,0cyclictest24575-1kworker/0:1H20:33:490
22092992200587,0cyclictest9-21ksoftirqd/020:23:490
22092992167223,0cyclictest24575-1kworker/0:1H22:38:500
22092992145277,0cyclictest24575-1kworker/0:1H22:03:490
22092992137297,0cyclictest24575-1kworker/0:1H19:03:490
22092992134302,0cyclictest24575-1kworker/0:1H20:53:480
22092992066235,0cyclictest24575-1kworker/0:1H21:13:500
22092992063284,0cyclictest24575-1kworker/0:1H22:13:500
22092992028279,0cyclictest24575-1kworker/0:1H21:03:490
22092992017298,0cyclictest24575-1kworker/0:1H22:53:490
22092992003231,0cyclictest24575-1kworker/0:1H21:58:490
22092991999280,0cyclictest24575-1kworker/0:1H21:43:500
22092991858799,0cyclictest18381-21which00:03:520
22092991821305,0cyclictest24575-1kworker/0:1H21:18:490
22092991812696,0cyclictest9-21ksoftirqd/000:13:490
22092991783149,0cyclictest24575-1kworker/0:1H20:13:490
22092991781288,0cyclictest24575-1kworker/0:1H00:08:530
22092991780317,0cyclictest24575-1kworker/0:1H23:18:500
22092991778332,0cyclictest24575-1kworker/0:1H23:23:500
22092991777278,0cyclictest24575-1kworker/0:1H19:38:490
22092991765278,0cyclictest24575-1kworker/0:1H22:43:490
22092991748285,0cyclictest24575-1kworker/0:1H22:33:490
22092991742633,0cyclictest1595-21jbd2/hda3-800:03:470
22092991740294,0cyclictest24575-1kworker/0:1H19:13:500
22092991711253,0cyclictest24575-1kworker/0:1H23:48:520
22092991704293,0cyclictest24575-1kworker/0:1H23:33:470
2209299168429,0cyclictest0-21swapper22:33:440
22092991676744,0cyclictest28083-21sendmail_mailtr19:18:510
22092991669462,0cyclictest9-21ksoftirqd/022:21:330
22092991652278,0cyclictest24575-1kworker/0:1H21:33:480
22092991636280,0cyclictest24575-1kworker/0:1H19:09:000
22092991620428,0cyclictest1595-21jbd2/hda3-800:21:390
22092991613435,0cyclictest9-21ksoftirqd/023:11:370
22092991607264,0cyclictest24575-1kworker/0:1H20:03:500
22092991598213,0cyclictest24575-1kworker/0:1H21:48:590
22092991594674,0cyclictest1595-21jbd2/hda3-822:11:290
22092991583278,0cyclictest24575-1kworker/0:1H23:03:480
22092991582684,0cyclictest9-21ksoftirqd/021:53:500
22092991578466,0cyclictest9-21ksoftirqd/021:11:200
2209299155572,0cyclictest24575-1kworker/0:1H23:46:230
22092991555465,0cyclictest1595-21jbd2/hda3-820:31:260
22092991536246,0cyclictest24575-1kworker/0:1H21:29:000
22092991534270,0cyclictest24575-1kworker/0:1H19:48:590
22092991525504,0cyclictest9-21ksoftirqd/019:31:190
2209299148244,0cyclictest24575-1kworker/0:1H22:28:530
22092991469381,0cyclictest9-21ksoftirqd/023:31:310
22092991460741,0cyclictest26079-21latency_hist22:49:010
22092991410724,0cyclictest20667-21mailstats20:43:590
22092991399249,0cyclictest24575-1kworker/0:1H19:48:530
22092991351546,0cyclictest9-21ksoftirqd/021:38:530
10113420,0rcuc/020235-21cron18:53:420
22092991287582,0cyclictest9-21ksoftirqd/020:38:570
22092991267568,0cyclictest9-21ksoftirqd/019:28:530
22092991244213,0cyclictest24575-1kworker/0:1H20:18:500
22092991148547,0cyclictest9-21ksoftirqd/019:33:540
22092991143287,0cyclictest24575-1kworker/0:1H20:08:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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