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2023-03-28 - 14:28

x86 Intel Core i9-9900K @3600 MHz, Linux 5.15.49-rt47 (Profile)

Latency plot of system in rack #0, slot #6
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 -Sp99 -i200 -h400 -q
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 100, highest latencies:
System rack0slot6.osadl.org (updated Tue Mar 28, 2023 00:45:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
369789999353353,0cyclictest0-21swapper/321:38:009
369789999353353,0cyclictest0-21swapper/300:17:599
369789999353353,0cyclictest0-21swapper/300:03:599
369789999352352,0cyclictest0-21swapper/321:55:599
369789999352352,0cyclictest0-21swapper/320:15:599
369789999352352,0cyclictest0-21swapper/319:39:599
36970872344325,12sleep50-21swapper/519:08:1211
36965132343324,13sleep10-21swapper/119:06:321
36974542341323,12sleep130-21swapper/1319:09:255
36962682340319,14sleep30-21swapper/319:05:459
36971832336315,14sleep90-21swapper/919:08:3215
36962862336316,13sleep70-21swapper/719:05:4913
36968202335314,14sleep20-21swapper/219:07:218
36962242335316,13sleep100-21swapper/1019:05:362
36969302332312,13sleep80-21swapper/819:07:4314
36964672332311,14sleep60-21swapper/619:06:2212
36972772329309,14sleep140-21swapper/1419:08:536
36974462318298,14sleep110-21swapper/1119:09:223
36967122318299,13sleep40-21swapper/419:07:0710
36968832309288,14sleep150-21swapper/1519:07:347
36966572309288,13sleep120-21swapper/1219:06:594
3697919993070,305cyclictest0-21swapper/921:48:5915
3697936993060,306cyclictest0-21swapper/1320:30:595
3697936993060,306cyclictest0-21swapper/1320:30:595
369793299306304,2cyclictest3714448-21gnome-shell20:42:584
369793299306304,2cyclictest3714448-21gnome-shell00:32:594
3697943993050,0cyclictest0-21swapper/1523:12:597
369793299305303,2cyclictest3714448-21gnome-shell19:44:584
3697932993050,305cyclictest0-21swapper/1223:58:584
3697932993050,305cyclictest0-21swapper/1223:08:584
369791299304301,3cyclictest3714366-21Xorg23:51:5913
369791299304301,3cyclictest3714366-21Xorg23:51:5913
369791299304301,3cyclictest3714366-21Xorg23:09:0013
369790999304302,2cyclictest3714366-21Xorg23:37:5912
369790799304301,3cyclictest3714366-21Xorg22:18:0011
369790799304301,3cyclictest3714366-21Xorg22:09:5911
369793299303301,2cyclictest3714448-21gnome-shell20:38:584
369793299303301,2cyclictest3714448-21gnome-shell20:38:584
369791299303301,2cyclictest3714366-21Xorg23:58:5913
369793299302301,1cyclictest0-21swapper/1223:48:584
369793299302301,1cyclictest0-21swapper/1223:48:584
369793299302300,2cyclictest3714448-21gnome-shell20:48:584
369793299302300,2cyclictest3714448-21gnome-shell19:38:584
369794399301300,1cyclictest0-21swapper/1500:10:597
369793299301300,1cyclictest0-21swapper/1223:28:584
369793299301300,1cyclictest0-21swapper/1222:28:584
369793299301300,1cyclictest0-21swapper/1200:08:594
369793299301299,2cyclictest3714448-21gnome-shell19:32:594
369793299301299,2cyclictest3714448-21gnome-shell00:28:594
369790999301299,2cyclictest3714366-21Xorg00:39:5912
369789299301300,1cyclictest0-21swapper/120:06:591
369793299300298,2cyclictest3714448-21gnome-shell00:38:584
369791999300299,1cyclictest0-21swapper/922:08:5915
369794399299298,1cyclictest0-21swapper/1500:02:597
369791999299297,2cyclictest0-21swapper/922:01:5915
369794399298297,1cyclictest0-21swapper/1523:49:597
369794399298297,1cyclictest0-21swapper/1523:49:597
369794399298297,1cyclictest0-21swapper/1500:19:007
369791999297296,1cyclictest0-21swapper/922:50:5915
369791999297295,2cyclictest0-21swapper/921:45:0015
369792799296294,2cyclictest0-21swapper/1120:26:003
369791999296294,2cyclictest0-21swapper/922:40:5915
369790799296293,3cyclictest3714366-21Xorg20:39:5911
369790799296293,3cyclictest3714366-21Xorg20:39:5911
369792799295294,1cyclictest0-21swapper/1120:07:593
369790299295293,2cyclictest0-21swapper/419:30:5810
369794199294293,1cyclictest0-21swapper/1423:37:596
369792799294293,1cyclictest0-21swapper/1119:45:593
369792799294293,1cyclictest0-21swapper/1119:41:593
369791999293292,1cyclictest0-21swapper/921:53:5915
369794399292291,1cyclictest0-21swapper/1523:54:597
369794399292291,1cyclictest0-21swapper/1523:54:597
369792799292291,1cyclictest0-21swapper/1120:53:593
369792799292291,1cyclictest0-21swapper/1119:34:593
369790799292288,4cyclictest3714366-21Xorg22:37:5911
369794199291290,1cyclictest0-21swapper/1400:39:596
369789999291289,2cyclictest3714366-21Xorg20:14:599
369792799290288,2cyclictest0-21swapper/1120:23:593
369789299290288,2cyclictest3714366-21Xorg22:43:591
369789299290288,2cyclictest3714366-21Xorg21:46:591
369791299289286,3cyclictest3714366-21Xorg23:29:0013
369789999288285,3cyclictest3714366-21Xorg20:00:599
369791999286284,2cyclictest0-21swapper/922:45:5915
369792799285283,2cyclictest0-21swapper/1120:46:593
369792799284283,1cyclictest0-21swapper/1119:55:593
369792799284282,2cyclictest0-21swapper/1121:21:593
369789299283282,1cyclictest0-21swapper/119:56:581
369793699282281,1cyclictest0-21swapper/1321:02:005
369793699282280,2cyclictest0-21swapper/1322:27:595
369792799282281,1cyclictest0-21swapper/1120:57:593
369789299282280,1cyclictest0-21swapper/120:16:581
369793699281280,1cyclictest0-21swapper/1322:32:595
369793699281280,1cyclictest0-21swapper/1320:51:595
369794399280278,2cyclictest0-21swapper/1523:59:007
369792799280279,1cyclictest0-21swapper/1121:07:003
369788999280279,1cyclictest0-21swapper/019:35:580
369794399279278,1cyclictest0-21swapper/1523:09:007
369792799279278,1cyclictest0-21swapper/1121:27:593
369792799279278,1cyclictest0-21swapper/1119:35:593
369789999279278,1cyclictest0-21swapper/320:26:589
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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