You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2023-06-03 - 05:39

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 50 highest latencies:
System rack0slot6.osadl.org (updated Sat Jun 03, 2023 00:45:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30600772364342,15sleep110-21swapper/1119:06:083
30600522363343,13sleep40-21swapper/419:05:4410
306072599359359,0cyclictest0-21swapper/323:57:599
30601432355318,12sleep00-21swapper/019:06:450
30602352354316,32sleep130-21swapper/1319:07:475
30601692351344,5sleep80-21swapper/819:07:1014
30602402348330,12sleep10-21swapper/119:07:501
30601032348326,14sleep60-21swapper/619:06:1912
30572112348327,14sleep150-21swapper/1519:05:087
30601402347326,14sleep140-21swapper/1419:06:446
30600552347326,14sleep70-21swapper/719:05:4913
30604192346326,13sleep50-21swapper/519:09:4711
30603222345323,15sleep30-21swapper/319:08:409
30601382345324,14sleep120-21swapper/1219:06:414
30601362344324,13sleep100-21swapper/1019:06:392
30601282343324,13sleep20-21swapper/219:06:318
30600742342321,14sleep90-21swapper/919:06:0615
306071399307304,3cyclictest1730698-21Xorg23:16:000
306077099306304,2cyclictest1730698-21Xorg19:12:597
306076499306304,2cyclictest1730698-21Xorg19:25:595
306071699306304,2cyclictest1730778-21gnome-shell22:40:581
3060713993060,305cyclictest0-21swapper/022:37:590
3060716993050,305cyclictest0-21swapper/123:29:591
306077099304302,2cyclictest1730698-21Xorg20:13:597
306076499304302,2cyclictest1730698-21Xorg19:33:595
306075999304302,2cyclictest1730778-21gnome-shell20:29:584
306075099304301,3cyclictest1730698-21Xorg22:32:592
3060740993040,304cyclictest0-21swapper/721:39:5913
306076899303301,2cyclictest1730778-21gnome-shell00:26:586
306075999303301,2cyclictest1730778-21gnome-shell21:01:594
306075099303300,3cyclictest1730698-21Xorg23:09:002
306071699303301,2cyclictest1730778-21gnome-shell23:19:591
306077099302300,2cyclictest1730698-21Xorg19:28:597
306077099302299,3cyclictest1730698-21Xorg20:42:597
306077099302299,3cyclictest1730698-21Xorg19:18:597
306076899302300,2cyclictest1730778-21gnome-shell22:24:586
306076899302300,2cyclictest1730778-21gnome-shell00:24:596
306075999302300,2cyclictest1730778-21gnome-shell21:08:594
306075999302300,2cyclictest1730778-21gnome-shell20:55:584
306075999302300,2cyclictest1730778-21gnome-shell20:49:594
306075999302300,2cyclictest1730778-21gnome-shell20:49:594
306075599302299,3cyclictest1730698-21Xorg00:38:003
306074599302299,3cyclictest1730698-21Xorg21:41:5915
306076899301299,2cyclictest1730778-21gnome-shell22:00:596
306077099300297,3cyclictest1730698-21Xorg20:01:597
306073199300299,1cyclictest0-21swapper/519:25:5911
306071399300297,3cyclictest1730698-21Xorg00:10:000
306071399300297,3cyclictest1730698-21Xorg00:09:590
306076899299297,2cyclictest1730778-21gnome-shell22:12:586
306076899299297,2cyclictest1730778-21gnome-shell21:54:586
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional