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2024-07-16 - 08:38
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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 Mon Jul 15, 2024 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
267799428427,1cyclictest3805-21kworker/u16:208:34:430
268799417416,1cyclictest0-21swapper/207:29:032
268799396392,4cyclictest0-21swapper/212:22:022
268799394392,0cyclictest0-21swapper/211:18:022
268799384382,2cyclictest0-21swapper/210:41:022
268799379377,2cyclictest0-21swapper/208:33:032
268799375375,0cyclictest0-21swapper/211:45:012
267799323321,2cyclictest0-21swapper/007:29:030
268299312311,1cyclictest542-21kworker/1:107:29:021
268299299297,1cyclictest0-21swapper/107:20:581
267799298298,0cyclictest0-21swapper/011:18:010
268299289288,1cyclictest18655-21kworker/1:012:22:021
268299288287,1cyclictest16557-21kworker/1:211:18:021
268799286281,4cyclictest20271-21gnome-shell09:21:592
2682992860,285cyclictest0-21swapper/111:03:591
268799285280,4cyclictest20271-21gnome-shell12:04:592
268799284279,4cyclictest20271-21gnome-shell09:03:592
268799283278,4cyclictest20271-21gnome-shell11:05:592
268799283277,5cyclictest20271-21gnome-shell07:14:002
267799283281,1cyclictest20271-21gnome-shell10:57:590
267799283281,1cyclictest20271-21gnome-shell08:37:590
2677992830,282cyclictest0-21swapper/009:09:580
268299282279,2cyclictest20271-21gnome-shell07:55:591
268799280275,4cyclictest0-21swapper/210:51:592
268299278278,0cyclictest0-21swapper/110:41:011
268299275273,1cyclictest20271-21gnome-shell11:26:581
268799274269,4cyclictest0-21swapper/210:30:592
268299274274,0cyclictest0-21swapper/108:33:021
268299274272,0cyclictest0-21swapper/111:45:021
267799274271,2cyclictest20271-21gnome-shell10:12:590
268299273271,1cyclictest20271-21gnome-shell09:37:591
267799273272,1cyclictest24678-21kworker/0:010:41:020
268299272270,1cyclictest0-21swapper/107:47:581
267799272270,1cyclictest20271-21gnome-shell11:58:580
268299267262,4cyclictest0-21swapper/110:10:591
267799267266,1cyclictest22373-21kworker/0:211:45:020
267799267264,2cyclictest20271-21gnome-shell10:37:590
267799264259,4cyclictest0-21swapper/011:43:590
267799263258,4cyclictest0-21swapper/009:48:580
268299258256,1cyclictest20271-21gnome-shell09:31:591
268299258253,4cyclictest0-21swapper/110:50:581
267799257253,3cyclictest0-21swapper/011:07:580
268299256254,1cyclictest20271-21gnome-shell09:04:591
268299256252,3cyclictest0-21swapper/107:15:591
268299255253,1cyclictest20271-21gnome-shell09:25:591
267799255252,2cyclictest20271-21gnome-shell08:15:580
268799254249,4cyclictest20271-21gnome-shell08:42:592
267799254252,1cyclictest20271-21gnome-shell11:25:590
268799253248,4cyclictest20271-21gnome-shell12:34:592
268799253248,4cyclictest20271-21gnome-shell07:37:592
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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