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2024-04-28 - 10:47

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #e, slot #4

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rackeslot4s.osadl.org (updated Sun Apr 28, 2024 00:44:06)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3801668994336,5cyclictest253-21systemd-journal19:26:402
3801662994341,1cyclictest3822309-21lspci19:25:470
3801662994237,3cyclictest253-21systemd-journal21:55:010
3801668994036,3cyclictest4082037-21kworker/u8:3+events_unbound23:10:002
3801672993932,5cyclictest253-21systemd-journal19:25:003
3801665993935,3cyclictest3902569-21kworker/u8:1+flush-259:022:00:011
3801672993630,4cyclictest253-21systemd-journal20:06:363
3801668993630,4cyclictest4029889-21latency_hist22:25:002
3801665993628,5cyclictest4141382-21latency_hist23:40:001
3801662993529,4cyclictest4186281-21diskstats00:10:130
380166299350,32cyclictest1-21systemd19:25:010
3801668993430,3cyclictest3970732-21kworker/u8:2+flush-259:022:15:262
3801662993431,1cyclictest131-1kworker/0:1H+kblockd20:28:010
3801672993330,2cyclictest14302-21gpgv00:25:003
3801668993331,1cyclictest4074631-21kworker/u8:0+flush-259:023:00:002
3801668993226,4cyclictest4074350-21latency_hist22:55:002
3801662993226,4cyclictest4015017-21latency_hist22:15:000
3801665993125,4cyclictest4170972-21latency_hist00:00:011
3801668993026,3cyclictest3860742-21kworker/u8:4+events_unbound20:55:042
3801665993025,3cyclictest4007581-21latency_hist22:10:011
3801665992923,4cyclictest4044732-21latency_hist22:35:001
3801665992823,4cyclictest3925754-21gpgv21:15:001
3801665992823,4cyclictest253-21systemd-journal22:15:001
3801672992721,4cyclictest3926163-21cat21:15:003
3801668992723,3cyclictest74-21kswapd000:10:002
3801668992723,3cyclictest4074631-21kworker/u8:0+flush-259:023:05:002
3801665992622,3cyclictest74-21kswapd022:25:121
3801672992421,2cyclictest3941121-21kworker/u8:0+events_unbound21:30:013
3801668992420,3cyclictest3954601-21kworker/u8:3+flush-259:021:50:252
3801665992419,3cyclictest4111285-21apt-get23:20:021
3801665992418,4cyclictest4111290-21latency_hist23:20:001
3801665992414,8cyclictest3823875-21irqcore19:30:201
3801672992319,3cyclictest4141737-21apt-get23:40:123
3801672992318,3cyclictest516-21rs:main3
3801672992317,4cyclictest253-21systemd-journal23:47:203
3801668992317,4cyclictest3970984-21ssh21:45:132
3801668992316,5cyclictest253-21systemd-journal23:40:002
3801665992319,3cyclictest74-21kswapd023:05:001
3801665992319,3cyclictest3902569-21kworker/u8:1+flush-259:021:05:001
3801665992319,3cyclictest253-21systemd-journal21:21:351
3801665992319,3cyclictest14218-21gpgv00:25:001
3801662992317,4cyclictest3891630-21latency_hist20:45:000
3801668992219,2cyclictest4149073-21kworker/u8:0+events_unbound00:00:142
3801668992218,3cyclictest3860742-21kworker/u8:4+flush-259:020:35:312
3801665992211,9cyclictest0-21swapper/120:00:001
380166599220,20cyclictest3855013-21systemd20:06:371
3801662992218,3cyclictest3902569-21kworker/u8:1+flush-259:021:40:140
3801662992217,3cyclictest4037342-21latency_hist22:30:000
3801672992118,2cyclictest3875871-21fwupd20:28:013
3801668992118,2cyclictest74-21kswapd021:45:012
3801668992118,2cyclictest3860742-21kworker/u8:4+events_unbound20:28:042
3801668992117,3cyclictest74-21kswapd023:55:002
3801668992117,3cyclictest3764094-21kworker/u8:4+events_unbound19:15:132
3801668992117,2cyclictest0-21swapper/222:45:002
3801665992116,3cyclictest253-21systemd-journal19:25:561
3801665992110,9cyclictest0-21swapper/121:05:211
3801662992117,2cyclictest3955704-21munin-run21:35:010
3801672992017,2cyclictest74-21kswapd022:00:113
3801672992017,2cyclictest4096398-21ssh23:09:483
3801672992016,3cyclictest508-21systemd-logind23:20:003
3801668992017,2cyclictest4103968-21kworker/u8:2+flush-259:023:22:052
3801668992017,2cyclictest3860742-21kworker/u8:4+events_unbound20:19:102
3801668992016,3cyclictest3791265-21kworker/u8:1+events_unbound19:15:012
3801668992015,3cyclictest3901939-21gpgv20:55:002
380166599201,5cyclictest253-21systemd-journal23:00:001
3801665992015,3cyclictest3956002-21/usr/sbin/munin21:35:301
380166599200,1cyclictest3881326-21turbostat.cron20:39:551
3801662992017,2cyclictest2904-21cron20:14:590
3801662992016,3cyclictest3933766-21apt-get21:20:090
380166299201,17cyclictest516-21rs:main0
380166299201,17cyclictest253-21systemd-journal19:15:590
3801672991916,2cyclictest3861187-21irqcore20:15:183
3801668991913,4cyclictest3955671-21latency_hist21:35:012
3801668991912,5cyclictest3828382-21latency_hist19:35:012
380166899190,13cyclictest3940856-21idleruntime-cro21:25:002
380166899190,12cyclictest29349-21cron00:35:002
380166599199,8cyclictest0-21swapper/120:00:291
3801662991914,4cyclictest4178733-21apt-get00:05:120
380166299191,3cyclictest4119132-21cron23:25:000
3801672991815,2cyclictest74-21kswapd022:00:013
3801672991815,2cyclictest3977823-21ssh21:49:563
3801672991814,3cyclictest74-21kswapd021:35:003
3801672991813,3cyclictest4089165-21latency_hist23:05:003
3801668991815,2cyclictest3902569-21kworker/u8:1+flush-259:022:00:182
3801668991814,3cyclictest0-21swapper/223:20:012
3801668991813,4cyclictest3876118-21kworker/u8:5+flush-259:020:45:102
3801668991812,4cyclictest3961624-21ssh21:37:192
3801668991812,4cyclictest3907727-21/usr/sbin/munin21:00:192
380166599188,1cyclictest4045209-21cpuspeed_turbos22:35:121
380166599182,5cyclictest521-21gdbus20:25:011
3801665991814,3cyclictest4066191-21ssh22:48:321
3801662991813,4cyclictest3912651-21latency_hist21:05:010
3801662991813,3cyclictest3896757-21latency_hist20:50:010
3801672991714,2cyclictest74-21kswapd023:15:003
3801672991714,2cyclictest74-21kswapd023:15:003
3801672991714,2cyclictest74-21kswapd022:40:003
3801672991713,3cyclictest253-21systemd-journal21:14:553
3801672991712,3cyclictest36779-21latency_hist00:40:013
3801668991715,2cyclictest3855373-21kworker/u8:3+events_unbound20:10:272
3801668991715,1cyclictest0-21swapper/223:15:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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