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2026-04-15 - 03:05
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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 Apr 15, 2026 00:46:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17799999382380,2cyclictest165850-21kworker/1:019:11:011
17803299381380,1cyclictest171867-21kworker/5:219:58:025
17799999381380,1cyclictest165850-21kworker/1:020:18:021
17799999381380,1cyclictest0-21swapper/119:58:011
17799999381379,1cyclictest0-21swapper/120:11:021
17803299380379,1cyclictest171867-21kworker/5:220:11:015
17803299380379,1cyclictest171867-21kworker/5:220:08:015
17799999380379,1cyclictest165850-21kworker/1:020:32:011
17799999380379,1cyclictest165850-21kworker/1:019:42:021
17799999380379,1cyclictest0-21swapper/120:08:011
17799999380379,1cyclictest0-21swapper/119:54:011
17799999380378,1cyclictest165850-21kworker/1:020:29:011
17799999380378,1cyclictest165850-21kworker/1:019:32:021
17803299379378,1cyclictest184869-21kworker/5:020:33:015
17803299379378,1cyclictest184869-21kworker/5:020:27:025
17803299379378,1cyclictest184869-21kworker/5:020:23:015
17803299379378,1cyclictest171867-21kworker/5:219:51:025
17803299379378,1cyclictest171867-21kworker/5:219:13:025
17803299379377,1cyclictest184869-21kworker/5:020:53:015
17799999379378,1cyclictest165850-21kworker/1:020:51:011
17799999379378,1cyclictest165850-21kworker/1:020:04:011
17799999379378,1cyclictest165850-21kworker/1:019:38:021
17799999379377,1cyclictest245048-21kworker/1:121:08:011
17803299378377,1cyclictest184869-21kworker/5:020:39:015
17803999329326,3cyclictest304106-21kworker/6:022:23:036
17803999329326,2cyclictest251048-21diskmemload00:11:026
17803999327325,1cyclictest97550irq/166-enp0s3122:03:026
17803999324323,1cyclictest0-21swapper/623:10:026
17803999324323,1cyclictest0-21swapper/621:59:016
17803999324323,1cyclictest0-21swapper/621:59:016
17803999323322,1cyclictest0-21swapper/623:34:026
17803999323322,1cyclictest0-21swapper/622:40:016
17803999322321,1cyclictest0-21swapper/623:06:026
17803999322321,1cyclictest0-21swapper/621:15:026
17803999321320,1cyclictest97550irq/166-enp0s3100:28:036
17803999321320,1cyclictest0-21swapper/622:13:026
17803999321320,1cyclictest0-21swapper/600:35:036
17803999319318,1cyclictest0-21swapper/623:02:026
17803999319318,1cyclictest0-21swapper/621:21:026
17803999319318,1cyclictest0-21swapper/620:54:036
17803999319318,1cyclictest0-21swapper/619:15:026
17803999318316,1cyclictest97550irq/166-enp0s3121:42:026
17803999318316,1cyclictest304106-21kworker/6:023:25:036
17803999318315,3cyclictest425793-21kworker/6:200:16:026
17803999318315,3cyclictest261809-21kworker/6:121:52:036
17803999317316,1cyclictest0-21swapper/621:37:016
17803999317315,1cyclictest425793-21kworker/6:223:43:026
17803999316315,1cyclictest0-21swapper/623:39:026
17803999316315,1cyclictest0-21swapper/619:35:026
17802399316314,1cyclictest0-21swapper/400:11:024
17803999314313,1cyclictest304106-21kworker/6:022:19:036
17803999313312,1cyclictest425793-21kworker/6:223:50:036
17802399313311,1cyclictest0-21swapper/422:24:024
17803999312311,1cyclictest425793-21kworker/6:223:55:036
17803999312311,1cyclictest425793-21kworker/6:223:45:026
17803999312311,1cyclictest304106-21kworker/6:022:05:026
17803999312311,1cyclictest0-21swapper/619:27:026
17803999312311,1cyclictest0-21swapper/600:32:036
17803999312311,1cyclictest0-21swapper/600:02:026
17803999312310,1cyclictest261809-21kworker/6:121:48:026
17803999312310,1cyclictest0-21swapper/619:47:016
17803999311310,1cyclictest304106-21kworker/6:022:53:036
17803999311310,1cyclictest208932-21kworker/6:120:01:026
17803999311310,1cyclictest202920-21kworker/6:221:14:026
17803999311310,1cyclictest202920-21kworker/6:220:45:016
17803999311310,1cyclictest202920-21kworker/6:220:20:016
17803999311310,1cyclictest196903-21kworker/6:019:40:016
17803999311310,1cyclictest0-21swapper/622:57:036
17803999311310,1cyclictest0-21swapper/619:33:026
17803999311310,1cyclictest0-21swapper/619:21:026
17803999311310,1cyclictest0-21swapper/619:14:016
17803999310309,1cyclictest0-21swapper/622:47:036
17803999310309,1cyclictest0-21swapper/620:59:026
17803999310309,1cyclictest0-21swapper/620:34:026
17803999310309,1cyclictest0-21swapper/619:52:016
17803999310308,1cyclictest202920-21kworker/6:220:10:026
17803999309308,1cyclictest202920-21kworker/6:220:35:026
17803999309307,1cyclictest202920-21kworker/6:220:16:026
17802399309308,1cyclictest343172-21kworker/4:123:23:024
17802399309308,1cyclictest343172-21kworker/4:123:23:024
17803999307306,1cyclictest202920-21kworker/6:220:43:016
17803999305303,1cyclictest202920-21kworker/6:220:06:026
17802399305304,1cyclictest343172-21kworker/4:123:17:024
17802399305304,1cyclictest199923-21kworker/4:021:39:014
17802399305303,1cyclictest459023-21kworker/4:200:03:034
17802399304303,1cyclictest199923-21kworker/4:021:12:014
17802399303301,1cyclictest343172-21kworker/4:123:27:034
17802399302301,1cyclictest199923-21kworker/4:021:05:014
17802399302300,1cyclictest343172-21kworker/4:122:33:024
17802399301300,1cyclictest343172-21kworker/4:123:54:024
17802399301300,1cyclictest199923-21kworker/4:021:32:034
17802399301300,1cyclictest199923-21kworker/4:021:27:024
17802399301299,1cyclictest199923-21kworker/4:021:50:014
17802399300299,1cyclictest459023-21kworker/4:200:15:024
17802399300299,1cyclictest343172-21kworker/4:122:45:024
17802399300299,1cyclictest343172-21kworker/4:122:44:034
17802399300299,1cyclictest199923-21kworker/4:022:10:034
17802399300299,1cyclictest199923-21kworker/4:020:30:014
17802399300298,1cyclictest459023-21kworker/4:200:22:024
17802399299298,1cyclictest428180-21kworker/4:219:10:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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