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2026-07-02 - 10:15
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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 100 highest latencies:
System rackcslot6.osadl.org (updated Thu Jul 02, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
333389499382381,1cyclictest614081-21kworker/0:222:01:020
333389499379378,1cyclictest0-21swapper/021:38:030
333389499379377,2cyclictest614081-21kworker/0:221:16:020
333389499378376,2cyclictest614081-21kworker/0:223:02:020
333389499378376,1cyclictest614081-21kworker/0:221:32:020
333389499377376,1cyclictest614081-21kworker/0:200:33:020
333389499375374,1cyclictest614081-21kworker/0:221:59:030
333389499375374,1cyclictest614081-21kworker/0:221:43:020
333389499375374,1cyclictest0-21swapper/020:27:030
333389499375373,1cyclictest0-21swapper/023:52:030
333389499374372,1cyclictest614081-21kworker/0:221:08:030
333394199373372,1cyclictest0-21swapper/622:43:026
333389499373372,1cyclictest614081-21kworker/0:221:51:020
333389499373372,1cyclictest614081-21kworker/0:219:24:030
333389499372370,1cyclictest0-21swapper/022:17:020
333394199371370,1cyclictest0-21swapper/622:32:026
333394199371370,1cyclictest0-21swapper/622:18:036
333394199371370,1cyclictest0-21swapper/621:49:026
333389499371370,1cyclictest614081-21kworker/0:223:10:030
333389499371370,1cyclictest614081-21kworker/0:222:44:020
333389499371370,1cyclictest0-21swapper/000:36:020
333389499371370,1cyclictest0-21swapper/000:09:020
333389499371370,1cyclictest0-21swapper/000:09:020
333389499371369,1cyclictest0-21swapper/022:08:020
333389499370369,1cyclictest614081-21kworker/0:223:59:020
333389499370369,1cyclictest0-21swapper/021:26:020
333389499369368,1cyclictest614081-21kworker/0:220:58:020
333389499369367,1cyclictest614081-21kworker/0:223:16:030
333389499369366,1cyclictest0-21swapper/021:13:030
333394199368366,1cyclictest0-21swapper/621:39:036
333389499368367,1cyclictest614081-21kworker/0:223:21:020
333389499368367,1cyclictest614081-21kworker/0:222:25:030
333389499368367,1cyclictest614081-21kworker/0:219:33:020
333389499368367,1cyclictest0-21swapper/000:23:020
333389499368366,1cyclictest614081-21kworker/0:219:14:020
333389499368364,2cyclictest614081-21kworker/0:220:11:020
333394199367365,1cyclictest0-21swapper/621:21:026
333389499367366,1cyclictest0-21swapper/000:19:020
333389499367365,1cyclictest0-21swapper/022:55:020
333389499366365,1cyclictest614081-21kworker/0:220:35:030
333389499366365,1cyclictest614081-21kworker/0:220:02:030
333389499366365,1cyclictest0-21swapper/023:44:020
333394199365364,1cyclictest0-21swapper/600:25:026
333394199365363,1cyclictest0-21swapper/623:43:026
333389499365363,1cyclictest614081-21kworker/0:223:45:030
333308723650,5sleep335-21ksoftirqd/319:05:273
333394199364363,1cyclictest3336854-21kworker/6:222:29:026
333394199364363,1cyclictest3336854-21kworker/6:221:40:026
333394199364363,1cyclictest3336854-21kworker/6:221:18:036
333394199364363,1cyclictest0-21swapper/623:26:036
333394199364363,1cyclictest0-21swapper/620:57:026
333394199364363,1cyclictest0-21swapper/600:16:026
333394199364362,1cyclictest3336854-21kworker/6:200:13:036
333389499364363,1cyclictest614081-21kworker/0:219:25:020
333389499364363,1cyclictest0-21swapper/020:49:020
333389499364362,1cyclictest614081-21kworker/0:220:05:020
333394199363361,2cyclictest3519013-21kworker/6:022:46:036
333394199363361,2cyclictest3519013-21kworker/6:022:46:026
333394199363361,1cyclictest3336854-21kworker/6:223:39:026
333389499363362,1cyclictest614081-21kworker/0:219:40:030
333389499363361,1cyclictest0-21swapper/020:41:020
333394199362361,1cyclictest3336854-21kworker/6:223:20:036
333394199362361,1cyclictest3336854-21kworker/6:220:50:026
333394199362361,1cyclictest0-21swapper/620:48:036
333394199362360,1cyclictest3336854-21kworker/6:222:51:026
333392699362360,1cyclictest0-21swapper/422:54:024
333389499362360,1cyclictest614081-21kworker/0:219:59:030
333394199361360,1cyclictest0-21swapper/619:10:026
333394199361359,1cyclictest3336854-21kworker/6:223:50:036
333389499361360,1cyclictest614081-21kworker/0:219:18:020
333394199360359,1cyclictest0-21swapper/621:53:026
333394199360359,1cyclictest0-21swapper/621:00:026
333392699360359,1cyclictest0-21swapper/422:01:024
333394199359358,1cyclictest0-21swapper/622:10:026
333394199359357,1cyclictest0-21swapper/619:31:026
333394199358357,1cyclictest3621698-21kworker/6:000:32:026
333394199358357,1cyclictest0-21swapper/623:30:026
333394199358357,1cyclictest0-21swapper/623:06:026
333394199358357,1cyclictest0-21swapper/620:20:026
333394199358356,1cyclictest3336854-21kworker/6:200:08:026
333394199358356,1cyclictest3336854-21kworker/6:200:08:026
333394199358354,2cyclictest3411647-21ssh21:13:036
333392699358354,1cyclictest0-21swapper/400:33:024
333394199357356,1cyclictest3336854-21kworker/6:222:58:026
333394199357356,1cyclictest3336854-21kworker/6:221:58:036
333394199357356,1cyclictest3336854-21kworker/6:200:01:026
333394199357355,1cyclictest3336854-21kworker/6:219:15:016
333394199357355,1cyclictest0-21swapper/622:35:036
333394199356355,1cyclictest3336854-21kworker/6:222:22:026
333392699356355,1cyclictest2348065-21kworker/4:221:38:024
333392699356354,1cyclictest0-21swapper/423:02:024
333394199355354,1cyclictest3336854-21kworker/6:221:33:026
333394199355354,1cyclictest0-21swapper/620:40:036
333394199355354,1cyclictest0-21swapper/619:56:036
333394199355353,1cyclictest3336854-21kworker/6:223:01:026
333394199355353,1cyclictest0-21swapper/619:20:026
333392699355354,1cyclictest0-21swapper/421:32:024
333392699355354,1cyclictest0-21swapper/421:16:024
333394199354353,1cyclictest3336854-21kworker/6:220:29:036
333394199354353,1cyclictest3336854-21kworker/6:220:10:026
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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