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2026-04-26 - 04:42
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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 Apr 26, 2026 00:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1230899101155073,5031cyclictest29802-21kworker/0:023:59:300
123089999265285,4630cyclictest32324-21kworker/0:220:20:390
123089998905263,4616cyclictest32324-21kworker/0:220:59:340
123089992444756,4477cyclictest32324-21kworker/0:221:05:350
123089991544710,4434cyclictest32324-21kworker/0:220:14:520
123089990334649,4372cyclictest32324-21kworker/0:220:54:050
123089988694567,4291cyclictest1633-21kworker/0:119:15:550
123089988604469,4387cyclictest32324-21kworker/0:220:08:580
123089988124431,4338cyclictest1633-21kworker/0:119:23:060
123089985804518,4051cyclictest29982-21kworker/0:022:33:540
123089983564364,3941cyclictest32324-21kworker/0:220:41:300
123089980454128,3901cyclictest18746-21kworker/0:122:10:070
123089979523980,3949cyclictest10544-21kworker/0:123:31:540
123089977824301,3457cyclictest10544-21kworker/0:123:10:290
123089976663962,3689cyclictest23079-21kworker/0:000:30:030
123089976553806,3834cyclictest32324-21kworker/0:220:47:030
123089976024010,3569cyclictest29802-21kworker/0:023:40:490
123089975063740,3714cyclictest1633-21kworker/0:119:34:520
123089974173916,3487cyclictest32324-21kworker/0:220:29:540
123089973864103,3260cyclictest17739-21kworker/0:000:20:390
123089971943881,3270cyclictest1633-21kworker/0:119:48:530
123089971643791,3333cyclictest1633-21kworker/0:119:54:210
123089971483663,3470cyclictest23079-21kworker/0:000:36:520
123089971273649,3427cyclictest8722-21kworker/0:221:58:100
123089971103789,3310cyclictest32324-21kworker/0:220:37:190
123089970923630,3411cyclictest1633-21kworker/0:119:42:020
123089967113378,3318cyclictest10544-21kworker/0:123:22:020
123089966853464,3207cyclictest8722-21kworker/0:221:46:130
123089966573519,3085cyclictest18746-21kworker/0:122:17:320
123089965923673,2859cyclictest32324-21kworker/0:221:04:000
123089965553364,3131cyclictest31262-21kworker/0:021:24:490
123089965253542,2969cyclictest29982-21kworker/0:022:48:300
123089963923307,3070cyclictest15265-21kworker/0:200:10:340
123089963593459,2840cyclictest29802-21kworker/0:023:38:480
123089963333365,2917cyclictest8722-21kworker/0:221:44:100
123089963313245,3043cyclictest25452-21kworker/0:021:11:010
123089962883287,2987cyclictest29802-21kworker/0:000:07:180
123089962883243,3031cyclictest32324-21kworker/0:220:00:590
123089962793322,2914cyclictest29802-21kworker/0:023:47:020
123089962353244,2976cyclictest1785-21kworker/0:121:26:480
123089962003282,2904cyclictest23079-21kworker/0:000:27:270
123089961953386,2759cyclictest10544-21kworker/0:123:18:170
123089961633368,2752cyclictest17739-21kworker/0:000:18:380
123089961573198,2944cyclictest8722-21kworker/0:222:00:130
123089961293253,2832cyclictest10544-21kworker/0:122:58:170
123089961073240,2816cyclictest18746-21kworker/0:122:08:040
123089960923345,2732cyclictest1633-21kworker/0:119:28:440
123089960263335,2680cyclictest1633-21kworker/0:119:36:270
123089960113208,2788cyclictest10544-21kworker/0:123:28:400
123089958303258,2569cyclictest1633-21kworker/0:119:12:460
123089952182747,2467cyclictest32324-21kworker/0:220:31:300
123089944924436,42cyclictest29982-21kworker/0:022:50:270
123089939512077,1859cyclictest29802-21kworker/0:023:50:150
123089927462615,81cyclictest32324-21kworker/0:220:19:030
117062784184,177sleep00-21swapper19:05:380
123089950832,414cyclictest29451-21sshd21:16:340
123089950755,438cyclictest29909-21ssh22:27:470
123089945531,409cyclictest25330-21diskmemload21:33:400
123089945493,348cyclictest345450irq/10-yenta22:21:170
123089944668,364cyclictest1661-21munin-node22:36:330
123089944474,87cyclictest8722-21kworker/0:221:54:090
123089944233,395cyclictest6016-21python21:36:240
123089943467,354cyclictest25330-21diskmemload00:02:530
123089940854,339cyclictest4487-21ssh22:43:180
123089937230,282cyclictest4894-21runrttasks19:57:280
123089926017,220cyclictest14223-21ssh23:04:120
123089925525,201cyclictest15439-21strings23:05:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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