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2026-07-10 - 04:24
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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 Fri Jul 10, 2026 00:46:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
195140199382379,1cyclictest2012184-21kworker/2:023:44:022
1951409993810,380cyclictest0-21swapper/320:24:023
1951409993800,1cyclictest0-21swapper/320:59:023
195141799354353,1cyclictest1973254-21kworker/4:219:45:034
195141799328326,1cyclictest2262036-21ssh00:27:024
195141799326325,1cyclictest0-21swapper/421:13:024
195141799326324,1cyclictest0-21swapper/421:45:024
195141799325323,1cyclictest0-21swapper/423:54:034
195141799323321,1cyclictest0-21swapper/400:20:024
195141799322320,1cyclictest1973254-21kworker/4:223:46:024
195141799321320,1cyclictest0-21swapper/422:26:034
195142999320317,2cyclictest2131723-21ssh22:39:026
195141799320318,1cyclictest1973254-21kworker/4:223:09:034
195141799320318,1cyclictest0-21swapper/423:40:024
195141799320318,1cyclictest0-21swapper/422:45:024
195141799319318,1cyclictest0-21swapper/422:14:024
195141799319318,1cyclictest0-21swapper/400:11:024
195141799319317,1cyclictest0-21swapper/421:38:034
195141799319317,1cyclictest0-21swapper/421:15:024
195142999318317,1cyclictest2132407-21kworker/6:023:10:026
195141799318317,1cyclictest0-21swapper/423:18:024
195141799318317,1cyclictest0-21swapper/400:04:024
195141799318316,1cyclictest0-21swapper/423:37:024
195143799317316,1cyclictest0-21swapper/722:08:037
195141799317316,1cyclictest0-21swapper/420:45:034
195141799317316,1cyclictest0-21swapper/400:39:024
195141799317315,1cyclictest1973254-21kworker/4:222:18:024
195141799317315,1cyclictest1973254-21kworker/4:200:06:024
195141799317315,1cyclictest1973254-21kworker/4:200:06:024
195141799317315,1cyclictest0-21swapper/423:57:024
195141799317315,1cyclictest0-21swapper/423:01:024
195142999316315,1cyclictest2048416-21kworker/6:121:36:026
195141799316315,1cyclictest0-21swapper/422:40:024
195141799316315,1cyclictest0-21swapper/422:07:024
195141799316314,1cyclictest0-21swapper/420:37:024
195142999315313,1cyclictest2048416-21kworker/6:122:03:026
195141799315313,1cyclictest1973254-21kworker/4:222:56:024
195141799315313,1cyclictest1973254-21kworker/4:200:31:024
195141799315313,1cyclictest0-21swapper/421:00:024
195141799315312,2cyclictest1973254-21kworker/4:223:26:024
195141799315312,2cyclictest0-21swapper/419:32:024
195141799314313,1cyclictest1973254-21kworker/4:221:32:034
195141799314313,1cyclictest0-21swapper/400:18:034
195141799313311,1cyclictest3419894-21kworker/4:219:15:034
195141799312311,1cyclictest1973254-21kworker/4:221:26:034
195141799312311,1cyclictest1921687-21kworker/4:019:25:024
195141799312310,1cyclictest1973254-21kworker/4:222:51:024
195141799312310,1cyclictest1973254-21kworker/4:220:55:024
195141799312310,1cyclictest1973254-21kworker/4:220:40:024
195141799312310,1cyclictest0-21swapper/420:21:034
195141799312310,1cyclictest0-21swapper/420:01:024
195143799311310,1cyclictest0-21swapper/722:55:027
195142999311309,1cyclictest0-21swapper/600:01:026
195141799311309,1cyclictest1973254-21kworker/4:223:32:024
195141799311309,1cyclictest1973254-21kworker/4:222:38:024
195141799311309,1cyclictest0-21swapper/420:17:024
195143799310308,1cyclictest0-21swapper/700:03:027
195142999310309,1cyclictest2048416-21kworker/6:121:42:026
195142999310308,1cyclictest0-21swapper/621:52:036
195141799310309,1cyclictest0-21swapper/419:14:034
195143799309308,1cyclictest0-21swapper/722:29:037
195143799309307,1cyclictest0-21swapper/721:37:037
195142999309308,1cyclictest0-21swapper/600:05:026
195142999309308,1cyclictest0-21swapper/600:05:026
195142999309307,1cyclictest1997330-21kworker/6:221:20:036
195141799309308,1cyclictest1973254-21kworker/4:222:30:024
195141799309307,1cyclictest0-21swapper/419:42:024
195143799308307,1cyclictest0-21swapper/723:29:027
195142999308307,1cyclictest0-21swapper/622:13:026
195142999308307,1cyclictest0-21swapper/621:28:026
195142999307306,1cyclictest2132407-21kworker/6:023:17:026
195142999307306,1cyclictest0-21swapper/621:05:026
195142999307306,1cyclictest0-21swapper/600:16:026
195142999307305,1cyclictest2132407-21kworker/6:023:22:026
195142999307305,1cyclictest1997330-21kworker/6:221:14:036
195142999307305,1cyclictest0-21swapper/622:06:026
195143799306305,1cyclictest0-21swapper/721:54:027
195143799306304,1cyclictest0-21swapper/723:36:027
195142999306305,1cyclictest0-21swapper/623:58:026
195142999306305,1cyclictest0-21swapper/600:22:026
195142999306304,1cyclictest0-21swapper/622:43:026
195142999306304,1cyclictest0-21swapper/622:33:036
195141799306305,1cyclictest1921687-21kworker/4:019:35:024
195143799305304,1cyclictest2229711-21kworker/7:121:31:037
195143799305304,1cyclictest2083891-21kworker/7:022:23:027
195143799305304,1cyclictest0-21swapper/723:47:027
195143799305304,1cyclictest0-21swapper/721:55:027
195143799305303,1cyclictest0-21swapper/722:01:037
195143799305303,1cyclictest0-21swapper/720:27:037
195142999305304,1cyclictest0-21swapper/619:40:036
195142999305304,1cyclictest0-21swapper/619:20:026
195142999305303,1cyclictest2221457-21kworker/6:200:32:026
195142999305303,1cyclictest2132407-21kworker/6:023:33:026
195141799305304,1cyclictest1973254-21kworker/4:220:07:024
195143799304303,1cyclictest2239349-21kworker/7:200:33:027
195143799304303,1cyclictest0-21swapper/722:44:037
195143799304303,1cyclictest0-21swapper/721:44:037
195143799304303,1cyclictest0-21swapper/721:27:037
195143799304303,1cyclictest0-21swapper/700:07:027
195143799304303,1cyclictest0-21swapper/700:07:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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