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2026-07-08 - 06:36
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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 Wed Jul 08, 2026 00:46:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1223495993811,379cyclictest0-21swapper/621:13:026
122349599379376,2cyclictest1331378-21kworker/6:121:44:026
122349599379375,2cyclictest1339566-21kworker/6:022:27:026
122349599378376,1cyclictest1242332-21kworker/6:021:26:026
122349599377376,1cyclictest0-21swapper/600:16:026
122349599377375,1cyclictest1242332-21kworker/6:021:21:036
122349599377374,2cyclictest1339566-21kworker/6:022:33:036
122349599377374,2cyclictest1339566-21kworker/6:022:03:026
122349599377374,2cyclictest1242332-21kworker/6:021:32:026
122349599376374,1cyclictest0-21swapper/623:17:026
122349599375374,1cyclictest1339566-21kworker/6:023:28:026
122349599375372,3cyclictest1339566-21kworker/6:021:47:036
122349599375372,2cyclictest1339566-21kworker/6:022:56:026
122349599374373,1cyclictest1339566-21kworker/6:023:35:036
122349599374373,1cyclictest1339566-21kworker/6:023:08:036
122349599374372,2cyclictest1506192-21kworker/6:200:21:026
122349599374372,1cyclictest1339566-21kworker/6:023:01:026
122349599374372,1cyclictest0-21swapper/622:15:026
122349599373372,1cyclictest1339566-21kworker/6:023:47:026
122349599373372,1cyclictest0-21swapper/621:50:026
122349599373371,1cyclictest1339566-21kworker/6:000:00:036
122349599372371,1cyclictest1339566-21kworker/6:023:14:026
122349599372371,1cyclictest1339566-21kworker/6:022:45:026
122349599372371,1cyclictest0-21swapper/623:57:026
122349599372370,2cyclictest1339566-21kworker/6:021:58:026
122349599372370,1cyclictest1339566-21kworker/6:023:31:036
122349599371370,1cyclictest1339566-21kworker/6:022:36:026
122349599371370,1cyclictest0-21swapper/600:38:026
122349599371369,1cyclictest1339566-21kworker/6:023:21:026
122349599370369,1cyclictest0-21swapper/621:19:036
122349599370368,1cyclictest0-21swapper/623:42:026
122349599370368,1cyclictest0-21swapper/622:50:026
122349599370368,1cyclictest0-21swapper/600:05:036
122349599369368,1cyclictest0-21swapper/622:12:026
122349599369368,1cyclictest0-21swapper/600:26:036
122349599369368,1cyclictest0-21swapper/600:26:026
122349599369367,1cyclictest1515922-21kworker/6:219:35:026
122349599368367,1cyclictest1515922-21kworker/6:219:30:026
122349599368367,1cyclictest1339566-21kworker/6:022:20:036
122349599368367,1cyclictest1242332-21kworker/6:020:25:026
122349599368367,1cyclictest0-21swapper/600:31:026
122349599367366,1cyclictest0-21swapper/620:40:036
122349599367366,1cyclictest0-21swapper/619:40:026
122349599367366,1cyclictest0-21swapper/619:10:026
122349599366365,1cyclictest0-21swapper/622:41:026
122349599365364,1cyclictest1515922-21kworker/6:219:22:026
122349599364363,1cyclictest1242332-21kworker/6:020:08:026
122349599364363,1cyclictest1242332-21kworker/6:020:04:026
122349599364363,1cyclictest0-21swapper/620:51:026
122349599364363,1cyclictest0-21swapper/620:22:026
122349599364363,1cyclictest0-21swapper/620:11:036
122349599364363,1cyclictest0-21swapper/620:11:026
122349599364362,1cyclictest0-21swapper/620:38:036
122349599363362,1cyclictest0-21swapper/621:07:026
122349599363362,1cyclictest0-21swapper/621:03:026
122349599363362,1cyclictest0-21swapper/620:32:026
122349599363362,1cyclictest0-21swapper/619:48:026
122349599362361,1cyclictest0-21swapper/619:17:026
122349599361360,1cyclictest1242332-21kworker/6:019:52:036
122349599360359,1cyclictest0-21swapper/620:48:036
122348199356355,1cyclictest1355202-21kworker/4:100:33:024
122347399337336,1cyclictest1388487-21kworker/3:023:26:023
122347399335332,1cyclictest0-21swapper/322:27:023
122347399333332,1cyclictest0-21swapper/300:29:033
122347399333332,1cyclictest0-21swapper/300:29:023
122347399332330,1cyclictest0-21swapper/321:16:033
122347399331330,1cyclictest0-21swapper/323:53:023
122347399331329,2cyclictest1319780-21kworker/3:221:52:023
122347399330329,1cyclictest0-21swapper/300:06:023
122347399330328,1cyclictest1388487-21kworker/3:000:13:023
122347399329328,1cyclictest1257377-21kworker/3:120:20:023
122347399329328,1cyclictest0-21swapper/323:30:033
122347399329328,1cyclictest0-21swapper/323:10:023
122347399329327,2cyclictest1388487-21kworker/3:023:02:023
122347399329327,1cyclictest1388487-21kworker/3:023:20:023
122347399329327,1cyclictest0-21swapper/320:00:023
122347399329327,1cyclictest0-21swapper/319:55:033
122347399329326,2cyclictest1388487-21kworker/3:023:39:023
122347399329326,2cyclictest1319780-21kworker/3:221:39:023
122347399329326,2cyclictest1319780-21kworker/3:221:39:023
122347399328327,1cyclictest1319780-21kworker/3:221:59:023
122347399328327,1cyclictest1257377-21kworker/3:121:27:023
122347399328326,1cyclictest0-21swapper/323:48:023
122347399328326,1cyclictest0-21swapper/322:38:023
122347399328325,2cyclictest1319780-21kworker/3:222:07:033
122347399327326,1cyclictest0-21swapper/321:41:023
122347399327325,1cyclictest1319780-21kworker/3:222:24:023
122347399326325,1cyclictest1485704-21kworker/3:219:20:023
122347399326325,1cyclictest1388487-21kworker/3:022:53:023
122347399326325,1cyclictest0-21swapper/322:57:023
122347399326325,1cyclictest0-21swapper/320:35:033
122347399326325,1cyclictest0-21swapper/300:36:023
122347399326324,1cyclictest1388487-21kworker/3:000:03:033
122347399326324,1cyclictest0-21swapper/300:24:023
122347399325324,1cyclictest1319780-21kworker/3:222:04:033
122347399325324,1cyclictest0-21swapper/322:40:033
122347399325324,1cyclictest0-21swapper/321:22:033
122347399324323,1cyclictest1319780-21kworker/3:222:18:033
122347399324323,1cyclictest1319780-21kworker/3:222:13:023
122347399324323,1cyclictest0-21swapper/300:30:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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