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2026-06-14 - 18:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rack6slot5.osadl.org (updated Sun Jun 14, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
586399102145345,4858cyclictest23057-21kworker/0:109:33:490
58639996574780,4834cyclictest9471-21kworker/0:208:44:220
58639996305042,4577cyclictest30183-21kworker/0:108:07:520
58639995625110,4441cyclictest30183-21kworker/0:107:28:300
58639994695028,4399cyclictest30183-21kworker/0:107:17:550
58639994274856,4560cyclictest30183-21kworker/0:108:19:580
58639990314662,4364cyclictest9471-21kworker/0:209:05:320
58639989424665,4227cyclictest7340-21kworker/0:010:00:170
58639989404503,4422cyclictest30183-21kworker/0:107:22:060
58639987344711,4012cyclictest30183-21kworker/0:107:33:210
58639985844307,4263cyclictest30183-21kworker/0:107:59:550
58639985104397,4102cyclictest30183-21kworker/0:108:13:530
58639982344405,3769cyclictest3455-21kworker/0:110:53:410
58639982174536,3665cyclictest14363-21kworker/0:211:38:080
58639981474394,3729cyclictest27727-21kworker/0:210:34:300
58639978904238,3601cyclictest30183-21kworker/0:108:24:400
58639978894260,3578cyclictest5236-21kworker/0:008:31:290
58639977684210,3535cyclictest28256-21kworker/0:011:49:410
58639977354182,3538cyclictest23057-21kworker/0:109:44:200
58639976743830,3792cyclictest9471-21kworker/0:208:57:230
58639976313920,3688cyclictest18325-21kworker/0:012:33:300
58639973683928,3429cyclictest30183-21kworker/0:107:43:480
58639973033852,3408cyclictest23057-21kworker/0:109:21:000
58639973003850,3399cyclictest30183-21kworker/0:107:37:080
58639972243831,3342cyclictest27727-21kworker/0:210:42:370
58639971873683,3444cyclictest7340-21kworker/0:009:51:520
58639971053776,3314cyclictest4512-21kworker/0:212:01:470
58639970313703,3313cyclictest4512-21kworker/0:212:24:420
58639968793570,3286cyclictest14363-21kworker/0:211:15:490
58639967583439,3295cyclictest7340-21kworker/0:010:09:090
58639965663585,2939cyclictest8864-21kworker/0:011:03:510
58639964603524,2894cyclictest4512-21kworker/0:212:12:170
58639964373418,2968cyclictest21105-21kworker/0:110:20:240
58639964073499,2894cyclictest30183-21kworker/0:107:53:200
58639963843311,3058cyclictest9471-21kworker/0:209:03:570
58639963633383,2929cyclictest14363-21kworker/0:211:13:530
58639963043369,2920cyclictest9471-21kworker/0:209:10:530
58639962363463,2768cyclictest30183-21kworker/0:108:01:310
58639961953323,2829cyclictest4512-21kworker/0:211:59:030
58639961633379,2741cyclictest14363-21kworker/0:211:24:240
58639961193412,2704cyclictest30183-21kworker/0:107:12:560
58639958843139,2730cyclictest9471-21kworker/0:208:51:170
58639951785119,45cyclictest8864-21kworker/0:011:05:470
58639951022693,2398cyclictest5236-21kworker/0:008:39:370
58639949712628,2331cyclictest30183-21kworker/0:107:49:190
58639949542624,2325cyclictest9471-21kworker/0:208:45:560
58639948122553,2255cyclictest30183-21kworker/0:108:26:160
58639943904342,34cyclictest14363-21kworker/0:211:26:410
58639938252336,1458cyclictest7340-21kworker/0:010:12:380
58639925192464,42cyclictest3455-21kworker/0:110:55:420
55902816186,178sleep00-21swapper07:08:230
58639949553,260cyclictest29197-19udevd11:41:270
58639944614,416cyclictest23870-21ps12:36:370
5863994395,373cyclictest20686-21ssh10:16:580
58639943517,357cyclictest19139-21diskmemload10:47:590
58639942666,346cyclictest345450irq/10-yenta09:59:490
58639940439,350cyclictest27910-21strings09:26:030
58639940245,343cyclictest4918-21sed09:45:320
58639939737,360cyclictest0-21swapper10:39:450
5863993919,368cyclictest31902-21ssh09:35:130
58639938438,220cyclictest13150-21switchtime12:15:290
5863993800,366cyclictest9386-21ssh12:08:110
5863993781,249cyclictest24768-21ssh11:32:160
58639937718,359cyclictest0-21swapper09:19:530
58639937432,328cyclictest385-21munin-node11:50:340
58639937236,322cyclictest23573-21kworker/u2:310:29:080
58639927937,227cyclictest16886-21ssh12:25:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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