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2026-04-13 - 19:06
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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 Mon Apr 13, 2026 12:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25189999905303,4682cyclictest7867-21kworker/0:009:06:360
25189998945150,4733cyclictest7867-21kworker/0:009:22:120
25189996845150,4522cyclictest14690-21kworker/0:208:08:350
25189996485033,4603cyclictest26889-21kworker/0:108:39:290
25189995685092,4471cyclictest26889-21kworker/0:108:20:070
25189995594730,4815cyclictest850-21kworker/0:210:57:050
25189992324742,4486cyclictest26889-21kworker/0:108:12:300
25189991904817,4362cyclictest26889-21kworker/0:108:47:250
25189991064676,4419cyclictest7867-21kworker/0:008:58:470
25189990974771,4315cyclictest14690-21kworker/0:207:53:120
25189990704641,4418cyclictest32685-21kworker/0:009:55:120
25189990654759,4302cyclictest18610-21kworker/0:107:23:120
25189990374502,4492cyclictest7867-21kworker/0:009:04:530
25189990294644,4381cyclictest27051-21kworker/0:209:30:510
25189990274635,4381cyclictest14690-21kworker/0:207:42:030
25189990094483,4483cyclictest26889-21kworker/0:108:18:240
25189987654591,4159cyclictest18610-21kworker/0:107:14:310
25189984924224,4225cyclictest7867-21kworker/0:008:53:100
25189984784367,4107cyclictest18610-21kworker/0:107:34:150
25189982794165,4109cyclictest12393-21kworker/0:211:13:300
25189982394423,3801cyclictest22669-21kworker/0:110:31:040
25189981754368,3764cyclictest5362-21kworker/0:212:02:360
25189981544483,3647cyclictest13762-21kworker/0:010:11:310
25189981144042,4058cyclictest18610-21kworker/0:107:36:170
25189980674336,3707cyclictest850-21kworker/0:210:47:340
25189980334212,3781cyclictest32285-21kworker/0:011:55:500
25189979963999,3982cyclictest13762-21kworker/0:010:21:060
25189979954219,3765cyclictest18610-21kworker/0:107:26:480
25189979754176,3785cyclictest22669-21kworker/0:110:37:430
25189979323966,3923cyclictest14690-21kworker/0:208:02:570
25189979244239,3634cyclictest14690-21kworker/0:207:59:110
25189978534026,3812cyclictest17383-21kworker/0:111:21:240
25189978474288,3508cyclictest18610-21kworker/0:107:17:240
25189977544053,3658cyclictest32685-21kworker/0:009:45:590
25189976764216,3408cyclictest7867-21kworker/0:009:13:040
25189975373960,3538cyclictest20334-21kworker/0:211:30:250
25189972413710,3508cyclictest9221-21kworker/0:011:06:060
25189971433746,3346cyclictest20334-21kworker/0:211:36:580
25189971293637,3440cyclictest26889-21kworker/0:108:33:580
25189970203736,3280cyclictest32685-21kworker/0:009:41:390
25189970013591,3395cyclictest32685-21kworker/0:009:53:350
25189969663697,3254cyclictest5362-21kworker/0:212:32:010
25189967343662,3029cyclictest26889-21kworker/0:108:26:160
25189966853509,3115cyclictest26889-21kworker/0:108:41:390
25189966403486,3139cyclictest850-21kworker/0:210:53:300
25189965623500,3057cyclictest20334-21kworker/0:211:46:180
25189965573459,3047cyclictest14690-21kworker/0:207:47:410
25189965363468,3054cyclictest27051-21kworker/0:209:29:150
25189965253449,3061cyclictest22669-21kworker/0:110:27:400
25189965173412,3063cyclictest17383-21kworker/0:111:19:020
25189965113411,3007cyclictest10340-21kworker/0:110:00:340
25189964493192,3242cyclictest13762-21kworker/0:010:17:300
25189963723473,2848cyclictest7867-21kworker/0:009:16:560
25189962443291,2893cyclictest20334-21kworker/0:211:27:280
25189961023334,2716cyclictest13762-21kworker/0:010:09:210
25189959343141,2742cyclictest20334-21kworker/0:211:44:430
25189958992970,2918cyclictest27051-21kworker/0:209:36:080
25189957853166,2567cyclictest32285-21kworker/0:011:52:310
25189951512637,2500cyclictest9221-21kworker/0:011:02:460
23002861183,203sleep00-21swapper07:08:510
25189945537,356cyclictest16391-21diskmemload10:43:150
25189945137,353cyclictest16391-21diskmemload12:37:590
25189935621,320cyclictest21274-21ssh12:26:410
25189927429,230cyclictest18702-21ssh12:22:350
25189927025,230cyclictest10429-21ssh12:08:380
25189926824,230cyclictest16212-21ssh12:18:490
25189926027,220cyclictest12667-21ssh12:11:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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