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2023-01-27 - 16:18

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, Linux 4.9.20-rt16, x86_64 highest latencies:
System rack0slot6.osadl.org (updated Fri Jan 27, 2023 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
21939522380360,14sleep00-21swapper/019:07:210
21946792364344,13sleep50-21swapper/519:09:1911
21941112345308,13sleep90-21swapper/919:07:4615
21937362341320,14sleep130-21swapper/1319:06:465
21944312334314,14sleep140-21swapper/1419:08:406
21947892331311,14sleep120-21swapper/1219:09:424
21933802330311,13sleep60-21swapper/619:05:3512
21948892314294,14sleep70-21swapper/719:09:5313
21943062311292,13sleep30-21swapper/319:08:129
21938122311290,13sleep80-21swapper/819:06:5714
219528599309305,4cyclictest2199746-21Xorg21:35:007
21897222309290,13sleep40-21swapper/419:05:0110
219522699308304,4cyclictest2199746-21Xorg22:03:000
2195252993070,307cyclictest0-21swapper/721:48:5913
219528199306304,2cyclictest2199746-21Xorg19:23:596
2195275993060,0cyclictest0-21swapper/1200:05:004
2195252993060,304cyclictest0-21swapper/720:34:0013
219528599305301,4cyclictest2199746-21Xorg21:59:007
219528599304301,3cyclictest2199746-21Xorg20:22:007
219528199304302,2cyclictest2199746-21Xorg20:53:006
2195277993040,304cyclictest0-21swapper/1300:28:595
219525699304302,2cyclictest2199824-21gnome-shell23:34:5914
219525699304302,2cyclictest2199824-21gnome-shell23:18:5814
21947472304284,14sleep20-21swapper/219:09:318
219525699303301,2cyclictest2199824-21gnome-shell23:24:5814
219525299303301,2cyclictest0-21swapper/721:26:0013
219528599302299,3cyclictest0-21swapper/1519:19:587
21937522302282,14sleep150-21swapper/1519:06:477
219526699301300,1cyclictest0-21swapper/1022:39:592
219526699301299,2cyclictest0-21swapper/1022:18:002
219525699301299,2cyclictest2199824-21gnome-shell23:28:5814
219525699301299,2cyclictest0-21swapper/823:13:0014
219525699301299,2cyclictest0-21swapper/823:09:0014
219525299301299,2cyclictest0-21swapper/721:45:0013
219524299301300,1cyclictest0-21swapper/422:16:5910
219525699300298,2cyclictest0-21swapper/822:28:0014
219528599299295,4cyclictest2199746-21Xorg21:51:007
219527599299298,1cyclictest0-21swapper/1200:26:004
219524799299298,1cyclictest0-21swapper/619:58:0012
219524299299298,1cyclictest0-21swapper/423:02:5810
219524299299298,1cyclictest0-21swapper/422:32:5810
219524299299298,1cyclictest0-21swapper/422:24:5910
219522699299295,4cyclictest2199746-21Xorg21:35:590
219522699299295,4cyclictest2199746-21Xorg21:34:000
219528599298295,3cyclictest2199746-21Xorg20:32:007
219528199298295,3cyclictest2199746-21Xorg20:25:006
219525699298296,2cyclictest2199824-21gnome-shell19:46:5914
219525299298297,1cyclictest0-21swapper/722:05:5913
219524299298297,1cyclictest0-21swapper/422:46:5910
219524299298297,1cyclictest0-21swapper/422:46:5910
219524299298297,1cyclictest0-21swapper/422:02:5810
219524299298296,2cyclictest2199824-21gnome-shell00:35:5910
219524299298296,2cyclictest0-21swapper/422:38:5910
219528599297294,3cyclictest2199746-21Xorg21:22:007
219528199297295,2cyclictest2199746-21Xorg20:29:006
219526699297297,0cyclictest0-21swapper/1023:21:002
219524299297296,1cyclictest0-21swapper/422:56:5810
219524299297296,1cyclictest0-21swapper/400:15:5910
219528599296293,3cyclictest2199746-21Xorg20:16:007
219527799296295,1cyclictest0-21swapper/1321:55:585
219525899296294,2cyclictest0-21swapper/923:10:0015
219524299296295,1cyclictest0-21swapper/422:26:5810
219524299296295,1cyclictest0-21swapper/421:52:5910
219527799295294,1cyclictest0-21swapper/1321:49:585
219522999295292,3cyclictest2199746-21Xorg23:24:001
219527799294292,2cyclictest2199824-21gnome-shell21:33:595
219525299294292,2cyclictest2199824-21gnome-shell23:15:5813
219524299294293,1cyclictest0-21swapper/400:05:5910
219523399294294,0cyclictest0-21swapper/219:19:408
219523399294290,4cyclictest2199746-21Xorg22:55:008
219528199293290,3cyclictest2199746-21Xorg19:42:596
219524799293291,2cyclictest0-21swapper/619:50:5912
219524299293292,1cyclictest0-21swapper/422:50:5910
219524299293292,1cyclictest0-21swapper/422:40:5910
219524299293292,1cyclictest0-21swapper/422:40:5910
219524299293292,1cyclictest0-21swapper/400:30:5910
219528199292289,3cyclictest2199746-21Xorg19:48:596
219526699292292,0cyclictest0-21swapper/1023:05:592
219524299292291,1cyclictest0-21swapper/422:12:5910
219524299292291,1cyclictest0-21swapper/422:06:5810
219524299292291,1cyclictest0-21swapper/400:28:5910
219528599291287,4cyclictest2199746-21Xorg21:40:597
219525899291290,1cyclictest0-21swapper/923:33:5915
219525299291290,1cyclictest0-21swapper/722:35:5913
219524299291290,1cyclictest0-21swapper/421:38:5910
219527799290288,2cyclictest0-21swapper/1300:31:595
219526699290289,1cyclictest0-21swapper/1023:41:002
219526699290289,1cyclictest0-21swapper/1022:32:592
219525299290289,1cyclictest0-21swapper/722:45:5813
219525299290289,1cyclictest0-21swapper/722:45:5813
219525299290289,1cyclictest0-21swapper/722:15:5813
219525299290288,2cyclictest2199824-21gnome-shell23:05:5913
219525299290288,1cyclictest0-21swapper/723:44:5913
219524499290289,1cyclictest0-21swapper/519:49:5911
219523799290287,3cyclictest2199746-21Xorg23:48:599
219523399290286,4cyclictest2199746-21Xorg22:12:598
219522999290288,2cyclictest2199746-21Xorg23:16:001
219522699290287,3cyclictest2199746-21Xorg22:32:000
219528599289285,4cyclictest2199746-21Xorg21:01:007
219525299289288,1cyclictest0-21swapper/723:46:5913
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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