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2024-10-05 - 15:19

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #8, 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.
Unexpectedly long latencies may be caused by SMIs
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 rack8slot4s.osadl.org (updated Sat Oct 05, 2024 12:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8997362223164,47sleep70-21swapper/707:05:317
8998032219167,41sleep00-21swapper/007:06:280
8999062218162,45sleep10-21swapper/107:07:581
8998912218183,23sleep50-21swapper/507:07:475
8998052214186,18sleep20-21swapper/207:06:312
8998522211177,23sleep40-21swapper/407:07:144
8997862203173,19sleep30-21swapper/307:06:163
8999112201172,19sleep60-21swapper/607:08:046
900285992720,6cyclictest0-21swapper/609:15:016
90027399270,26cyclictest1027937-21turbostat.cron10:50:002
90028599260,2cyclictest926871-21sh07:55:016
90028899250,24cyclictest906623-21sleep07:20:007
90028599250,24cyclictest1047955-21munin-run11:25:006
90026399250,24cyclictest1007833-21apt-get10:15:120
900285992420,4cyclictest0-21swapper/608:15:136
900285992420,4cyclictest0-21swapper/608:15:136
90028399240,0cyclictest0-21swapper/511:50:135
900279992422,1cyclictest1031218-21apt-get10:55:144
900277992423,1cyclictest938734-21apt-get08:15:113
900277992423,1cyclictest938734-21apt-get08:15:113
90027799240,23cyclictest0-21swapper/310:00:013
90027799240,1cyclictest927306-21apt-get07:55:123
90026899240,3cyclictest1010311-21basename10:19:591
90026399240,23cyclictest0-21swapper/010:39:590
90026399240,22cyclictest910150-21apt-get07:25:100
90028899236,4cyclictest0-21swapper/711:05:177
900288992323,0cyclictest0-21swapper/710:50:127
90028899230,22cyclictest0-21swapper/711:50:137
900285992321,2cyclictest0-21swapper/608:50:126
900285992321,1cyclictest984718-21apt-get09:35:146
900285992321,1cyclictest1088367-21apt-get12:35:126
900285992321,1cyclictest1079813-21apt-get12:20:116
90028599230,22cyclictest918755-21apt-get07:40:136
90028599230,22cyclictest1067957-21systemctl12:00:006
90028599230,22cyclictest0-21swapper/607:15:126
90028599230,1cyclictest1079372-21sendmail12:20:006
90028599230,0cyclictest0-21swapper/611:30:116
90028399230,22cyclictest907123-21packagekitd07:20:005
90027999230,22cyclictest978599-21awk09:25:014
90027999230,22cyclictest0-21swapper/409:00:124
900277992321,1cyclictest1085107-21turbostat12:30:003
900277992321,1cyclictest0-21swapper/309:25:133
90027799230,22cyclictest0-21swapper/309:45:113
900273992322,1cyclictest953040-21apt-get08:40:132
90027399230,22cyclictest401rcuc/208:20:012
90027399230,22cyclictest401rcuc/208:20:012
90027399230,22cyclictest1047955-21munin-run11:25:002
90027399230,1cyclictest1090805-21munin-run12:40:002
90027399230,1cyclictest0-21swapper/207:40:142
900268992321,1cyclictest950167-21apt-get08:35:121
900268992321,1cyclictest1010972-21apt-get10:20:131
90026899230,22cyclictest921185-21grep07:45:001
90026899230,22cyclictest1056956-21apt-get11:40:121
90026899230,22cyclictest0-21swapper/111:59:591
90026399230,22cyclictest998617-21sendmail-msp10:00:000
90026399230,22cyclictest900586-21apt-get07:10:130
90026399230,22cyclictest1074088-21apt-get12:10:130
90026399230,22cyclictest1025096-21munin-run10:44:590
90026399230,22cyclictest0-21swapper/008:25:110
90026399230,22cyclictest0-21swapper/007:20:110
900288992222,0cyclictest0-21swapper/710:05:027
900288992222,0cyclictest0-21swapper/709:35:157
900288992221,1cyclictest0-21swapper/711:45:137
90028899220,22cyclictest0-21swapper/710:10:207
90028899220,21cyclictest0-21swapper/711:25:117
90028899220,21cyclictest0-21swapper/707:25:107
90028899220,21cyclictest0-21swapper/707:20:017
900285992221,1cyclictest0-21swapper/610:30:006
900285992220,1cyclictest947315-21apt-get08:30:116
900285992220,1cyclictest0-21swapper/612:25:136
900285992217,1cyclictest1010260-21apt-get10:19:596
900285992217,1cyclictest0-21swapper/608:00:136
90028599220,21cyclictest0-21swapper/610:45:116
90028399220,22cyclictest0-21swapper/508:15:135
90028399220,22cyclictest0-21swapper/508:15:135
90028399220,22cyclictest0-21swapper/507:20:115
90028399220,1cyclictest1028366-21apt-get10:50:125
90028399220,1cyclictest1025101-21perf10:45:005
90028399220,1cyclictest0-21swapper/510:20:125
900279992221,1cyclictest0-21swapper/409:40:004
900279992219,2cyclictest1053662-21munin-run11:35:004
900279992219,2cyclictest1045108-21tr11:20:004
90027999220,21cyclictest0-21swapper/412:05:094
90027999220,21cyclictest0-21swapper/408:45:114
90027999220,1cyclictest0-21swapper/410:15:124
900277992220,1cyclictest0-21swapper/312:25:003
900277992220,1cyclictest0-21swapper/311:20:003
900277992220,1cyclictest0-21swapper/308:50:003
90027799220,21cyclictest1087951-21munin-run12:35:003
90027799220,21cyclictest0-21swapper/310:40:013
90027799220,21cyclictest0-21swapper/310:35:143
90027799220,21cyclictest0-21swapper/308:50:113
90027799220,21cyclictest0-21swapper/308:35:133
90027799220,1cyclictest907190-21appstreamcli07:20:013
900273992222,0cyclictest1071231-21apt-get12:05:112
900273992222,0cyclictest0-21swapper/207:25:102
90027399220,22cyclictest0-21swapper/208:50:112
90027399220,1cyclictest999017-21apt-get10:00:122
90027399220,1cyclictest961594-21apt-get08:55:112
90026899220,21cyclictest1051227-21apt-get11:30:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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