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2024-09-12 - 07:29
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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 50 highest latencies:
System rackdslot0.osadl.org (updated Thu Sep 12, 2024 00:45:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1244699436423,13cyclictest27636-21kworker/2:022:25:022
1244699433420,13cyclictest27636-21kworker/2:023:02:022
1244699430416,13cyclictest27636-21kworker/2:000:06:022
1243699328317,10cyclictest0-21swapper/023:29:030
1243699324322,1cyclictest10958-21kworker/0:019:50:030
12436993090,308cyclictest0-21swapper/022:03:590
1243699301295,5cyclictest20271-21gnome-shell23:01:590
1244299299294,4cyclictest0-21swapper/123:22:581
1244699294293,0cyclictest0-21swapper/221:43:022
1244699292289,2cyclictest20271-21gnome-shell20:50:592
1244699290289,0cyclictest0-21swapper/220:03:032
1244699290287,2cyclictest20271-21gnome-shell20:25:592
1244299290286,3cyclictest0-21swapper/119:51:591
1244699288287,0cyclictest0-21swapper/219:50:022
1244699288286,1cyclictest0-21swapper/220:44:012
1244699288286,1cyclictest0-21swapper/220:36:012
1244699286285,0cyclictest0-21swapper/220:07:022
1244699286285,0cyclictest0-21swapper/219:58:022
1244699286283,2cyclictest20271-21gnome-shell19:11:592
1244699285285,0cyclictest0-21swapper/219:17:022
1244699285283,1cyclictest0-21swapper/219:44:022
1244699283281,1cyclictest0-21swapper/220:12:012
12446992830,1cyclictest0-21swapper/223:25:582
1244299283272,11cyclictest0-21swapper/122:25:021
1244299283270,13cyclictest0-21swapper/123:02:031
1244699281280,0cyclictest0-21swapper/220:16:022
1244299281279,1cyclictest0-21swapper/122:44:591
12446992790,278cyclictest0-21swapper/222:20:022
1244299278277,1cyclictest5941-21kworker/1:023:29:021
1244699275273,1cyclictest20271-21gnome-shell23:34:592
1244299275272,2cyclictest20271-21gnome-shell00:22:591
1243699275269,5cyclictest20271-21gnome-shell21:49:000
1243699275269,5cyclictest20271-21gnome-shell00:38:580
1244299274270,3cyclictest0-21swapper/122:20:591
1243699274271,2cyclictest20271-21gnome-shell23:31:580
1244699272269,2cyclictest20271-21gnome-shell23:14:582
1244299272268,3cyclictest0-21swapper/122:09:001
1243699272267,4cyclictest20271-21gnome-shell20:40:590
1244699271268,2cyclictest20271-21gnome-shell23:21:582
1244699270269,0cyclictest0-21swapper/222:16:012
1244699270267,2cyclictest20271-21gnome-shell22:06:592
1244699270265,4cyclictest0-21swapper/222:32:592
1243699270265,4cyclictest20271-21gnome-shell20:21:590
1244699269267,1cyclictest0-21swapper/222:40:012
1244699269267,1cyclictest0-21swapper/221:48:012
1244699269267,1cyclictest0-21swapper/200:31:022
1244699269266,2cyclictest20271-21gnome-shell21:07:592
1243699269264,4cyclictest20271-21gnome-shell23:24:580
1244699268267,1cyclictest0-21swapper/221:58:032
1244699268266,1cyclictest0-21swapper/221:12:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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