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2023-06-08 - 21:22

x86 Intel Core i7-8565U @1800 MHz, Linux 5.4.17-rt9 (Profile)

Latency plot of system in rack #d, slot #0
Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Command line: cyclictest -l100000000 -m -n -p99 -i200 -h400 -a0-2 -t3 -q done
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 Jun 08, 2023 12:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3021199407405,1cyclictest10845-21kworker/0:209:05:030
3021199385384,1cyclictest10845-21kworker/0:210:46:030
3021699311308,2cyclictest1333-26nagios312:17:011
3021699304294,0cyclictest0-21swapper/107:34:021
30216993000,299cyclictest0-21swapper/107:18:591
3021699298287,11cyclictest0-21swapper/111:13:011
3021699295294,1cyclictest32367-21kworker/1:110:09:021
3022099287282,4cyclictest20271-21gnome-shell07:25:592
3022099286283,2cyclictest20271-21gnome-shell12:22:582
3022099285282,2cyclictest20271-21gnome-shell10:54:592
3021699283280,1cyclictest0-21swapper/109:05:021
3022099282279,2cyclictest20271-21gnome-shell09:21:592
3022099281279,1cyclictest0-21swapper/208:03:592
30220992810,0cyclictest0-21swapper/208:51:032
30216992800,279cyclictest0-21swapper/110:13:581
3022099279276,2cyclictest20271-21gnome-shell08:25:592
3021199279273,5cyclictest20271-21gnome-shell08:30:590
3022099278276,2cyclictest24555-21kworker/2:112:17:022
3022099278274,4cyclictest0-21swapper/207:34:032
3022099277274,2cyclictest20271-21gnome-shell07:23:592
3021199277274,2cyclictest0-21swapper/010:25:580
3022099276275,1cyclictest0-21swapper/210:09:022
3021199276270,5cyclictest20271-21gnome-shell08:29:000
3022099275273,1cyclictest0-21swapper/211:32:592
3021699275273,0cyclictest0-21swapper/110:46:021
3021699275272,2cyclictest20271-21gnome-shell08:47:591
3022099274273,0cyclictest0-21swapper/212:26:582
3021699273236,36cyclictest3938-21H211:35:421
3022099272271,0cyclictest0-21swapper/207:20:002
3022099272269,2cyclictest20271-21gnome-shell09:10:592
3022099271269,1cyclictest0-21swapper/209:31:002
3022099271269,1cyclictest0-21swapper/209:30:592
3021199270268,1cyclictest0-21swapper/008:44:590
3021699269266,2cyclictest20271-21gnome-shell09:45:001
3022099268266,1cyclictest0-21swapper/209:26:592
3022099268265,2cyclictest20271-21gnome-shell09:04:592
3022099267264,2cyclictest20271-21gnome-shell08:07:592
3022099266264,1cyclictest0-21swapper/208:49:592
3022099266253,13cyclictest24555-21kworker/2:111:13:012
3021199266264,1cyclictest0-21swapper/007:13:590
3021199266263,2cyclictest20271-21gnome-shell10:20:590
3022099265262,2cyclictest20271-21gnome-shell09:45:592
3022099265262,2cyclictest20271-21gnome-shell08:22:592
3022099264261,2cyclictest20271-21gnome-shell11:05:582
3021199264262,1cyclictest0-21swapper/011:57:580
3021199262259,2cyclictest20271-21gnome-shell07:30:590
3022099261260,1cyclictest0-21swapper/209:05:022
3022099259256,2cyclictest20271-21gnome-shell11:17:582
3022099259256,2cyclictest20271-21gnome-shell09:58:582
3021699258257,0cyclictest0-21swapper/108:44:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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