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2026-03-08 - 03:23
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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 Sun Mar 08, 2026 00:46:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3165534993820,381cyclictest0-21swapper/222:52:022
316553499381380,1cyclictest3437474-21kworker/2:000:36:022
316553499381380,1cyclictest0-21swapper/221:13:022
316553499381379,1cyclictest0-21swapper/222:13:022
3165534993810,380cyclictest0-21swapper/223:35:022
3165534993810,380cyclictest0-21swapper/223:18:022
3165534993810,380cyclictest0-21swapper/221:59:012
3165534993810,1cyclictest0-21swapper/200:29:022
3165534993810,1cyclictest0-21swapper/200:29:012
316557099380379,1cyclictest3372149-21kworker/7:223:51:017
316553499380378,1cyclictest0-21swapper/200:19:022
3165534993800,379cyclictest0-21swapper/222:58:022
316555699379378,1cyclictest3467760-21kworker/5:100:31:015
316553499379378,1cyclictest3199441-21kworker/2:022:35:022
316553499379378,1cyclictest0-21swapper/221:03:022
316553499379377,1cyclictest3199441-21kworker/2:021:37:022
316553499379377,1cyclictest3199441-21kworker/2:021:37:012
316553499379377,1cyclictest0-21swapper/220:19:022
316553499379377,1cyclictest0-21swapper/219:25:022
316553499379377,1cyclictest0-21swapper/200:32:012
316557099378376,1cyclictest3372149-21kworker/7:223:33:027
316557099378376,1cyclictest3238542-21kworker/7:221:19:027
316554999378376,1cyclictest3421188-21kworker/4:100:03:024
316553499378377,1cyclictest3199441-21kworker/2:020:35:012
316553499378376,1cyclictest0-21swapper/220:27:022
316553499378376,1cyclictest0-21swapper/219:52:022
316557099377376,1cyclictest3165299-21kworker/7:020:15:027
316557099377375,1cyclictest3238542-21kworker/7:221:41:027
316557099377375,1cyclictest3165299-21kworker/7:020:05:027
316557099377375,1cyclictest3165299-21kworker/7:020:05:027
316553499377376,1cyclictest3199441-21kworker/2:020:55:022
316553499377376,1cyclictest0-21swapper/223:57:012
316553499377376,1cyclictest0-21swapper/221:17:022
316553499377375,1cyclictest3199441-21kworker/2:022:28:022
316553499377375,1cyclictest0-21swapper/221:09:022
316553499377375,1cyclictest0-21swapper/219:42:022
316553499377375,1cyclictest0-21swapper/219:17:022
316553499377374,2cyclictest442454-21kworker/2:219:11:022
316557099376374,1cyclictest3372149-21kworker/7:200:05:027
316553499376375,1cyclictest0-21swapper/220:02:012
316553499376374,1cyclictest0-21swapper/221:40:022
316553499376374,1cyclictest0-21swapper/220:48:022
316553499376374,1cyclictest0-21swapper/220:11:022
316557099375373,1cyclictest3238542-21kworker/7:221:29:027
316553499375374,1cyclictest3199441-21kworker/2:021:28:022
316553499375374,1cyclictest0-21swapper/223:00:022
316553499375374,1cyclictest0-21swapper/223:00:012
316553499375374,1cyclictest0-21swapper/221:32:022
316553499375373,1cyclictest3199441-21kworker/2:023:42:022
316553499375373,1cyclictest0-21swapper/222:42:022
316557099374373,1cyclictest0-21swapper/700:30:027
316557099374372,1cyclictest3165299-21kworker/7:019:59:017
316553499374373,1cyclictest0-21swapper/223:52:022
316553499374373,1cyclictest0-21swapper/223:08:022
316553499374372,1cyclictest0-21swapper/222:48:022
316553499373372,1cyclictest3199441-21kworker/2:023:30:022
316553499373372,1cyclictest0-21swapper/223:26:012
316553499373372,1cyclictest0-21swapper/222:16:022
316553499373372,1cyclictest0-21swapper/221:50:012
316553499373371,1cyclictest0-21swapper/200:10:022
316557099372371,1cyclictest3165299-21kworker/7:020:51:027
316557099372370,1cyclictest3165299-21kworker/7:020:49:027
316557099372370,1cyclictest3165299-21kworker/7:020:41:027
316557099372370,1cyclictest3165299-21kworker/7:020:23:027
316557099372370,1cyclictest3165299-21kworker/7:020:13:027
316557099372370,1cyclictest3165299-21kworker/7:019:41:027
316557099372370,1cyclictest3165299-21kworker/7:019:13:027
316557099372370,1cyclictest0-21swapper/700:38:027
316553499372371,1cyclictest0-21swapper/220:21:022
316553499372370,1cyclictest0-21swapper/222:20:022
316557099371370,1cyclictest3336114-21kworker/7:122:54:027
316557099371369,1cyclictest3372149-21kworker/7:223:40:027
316557099371369,1cyclictest3165299-21kworker/7:020:59:017
316557099371369,1cyclictest3165299-21kworker/7:019:51:027
316553499371370,1cyclictest0-21swapper/223:48:022
316553499371369,1cyclictest3199441-21kworker/2:023:22:022
316553499371369,1cyclictest3199441-21kworker/2:023:14:022
316557099370369,1cyclictest3336114-21kworker/7:123:06:027
316557099370369,1cyclictest3336114-21kworker/7:122:46:027
316557099370368,1cyclictest3238542-21kworker/7:222:07:027
316553499370369,1cyclictest3199441-21kworker/2:021:47:022
316557099369367,1cyclictest3336114-21kworker/7:122:33:027
316557099369367,1cyclictest3238542-21kworker/7:221:24:027
316557099369367,1cyclictest0-21swapper/723:27:027
316553499369368,1cyclictest442454-21kworker/2:219:33:022
316553499369368,1cyclictest0-21swapper/220:40:022
316553499369368,1cyclictest0-21swapper/220:30:022
316553499369367,1cyclictest0-21swapper/219:22:022
316557099368367,1cyclictest3372149-21kworker/7:200:24:027
316553499368367,1cyclictest442454-21kworker/2:219:55:022
316553499368367,1cyclictest0-21swapper/220:50:022
316557099367366,1cyclictest3372149-21kworker/7:223:38:027
316557099367365,2cyclictest3372149-21kworker/7:200:12:027
316557099367365,1cyclictest3372149-21kworker/7:223:13:027
316557099367365,1cyclictest0-21swapper/721:11:027
316557099366365,1cyclictest3372149-21kworker/7:223:49:017
316557099366365,1cyclictest0-21swapper/700:16:027
316557099366364,1cyclictest3372149-21kworker/7:223:17:027
316552199366364,1cyclictest0-21swapper/019:49:020
316553499365364,1cyclictest0-21swapper/219:48:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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