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2026-05-05 - 08:46

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 376 highest latencies:
System rack8slot4s.osadl.org (updated Tue May 05, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3782402262181,25sleep50-21swapper/519:06:505
3785952244173,23sleep20-21swapper/219:09:052
3780712236182,42sleep60-21swapper/619:05:466
3787062230167,21sleep30-21swapper/319:09:453
3782242221181,25sleep70-21swapper/719:06:437
3782682219178,25sleep00-21swapper/019:07:010
3786382214184,20sleep10-21swapper/119:09:201
3784302209177,20sleep40-21swapper/419:08:014
378965992921,7cyclictest0-21swapper/620:20:026
378965992921,7cyclictest0-21swapper/620:20:016
37895999297,4cyclictest0-21swapper/419:39:404
37896599270,21cyclictest601144-21apt-get00:35:126
37896599260,19cyclictest0-21swapper/600:00:136
37895999264,4cyclictest0-21swapper/422:46:244
37895999264,4cyclictest0-21swapper/419:28:424
378959992621,4cyclictest597307-21apt00:30:014
378965992523,1cyclictest0-21swapper/621:15:196
378965992521,4cyclictest502062-21perf22:10:016
378965992521,3cyclictest451459-21apt-get20:55:136
378965992519,5cyclictest0-21swapper/623:25:146
37896599250,22cyclictest411998-21ntpq19:55:196
37896599250,21cyclictest567117-21apt-get23:45:126
37896599250,1cyclictest471837-21apt-get21:25:146
37896599250,0cyclictest0-21swapper/619:45:146
37895999253,4cyclictest0-21swapper/423:41:184
37895999253,4cyclictest0-21swapper/422:35:244
37895999253,4cyclictest0-21swapper/422:24:254
37895999253,4cyclictest0-21swapper/422:13:274
37895999253,4cyclictest0-21swapper/422:02:274
37895999253,4cyclictest0-21swapper/421:51:284
37895999253,4cyclictest0-21swapper/421:40:304
37895999253,4cyclictest0-21swapper/420:56:334
37895999253,4cyclictest0-21swapper/420:45:344
37895999253,4cyclictest0-21swapper/420:23:374
37895999253,4cyclictest0-21swapper/420:12:374
37895999253,4cyclictest0-21swapper/420:12:374
37895999252,22cyclictest621ktimers/400:10:134
378957992521,3cyclictest420854-21apt-get20:10:133
378957992521,3cyclictest420854-21apt-get20:10:133
37895799250,24cyclictest0-21swapper/322:15:133
37895799250,24cyclictest0-21swapper/321:45:053
37895499250,1cyclictest0-21swapper/200:20:012
37895499250,1cyclictest0-21swapper/200:20:012
37895499250,0cyclictest0-21swapper/219:20:212
37895299253,1cyclictest0-21swapper/100:05:011
37895299250,24cyclictest0-21swapper/122:15:001
37894999250,24cyclictest495213-21latency_hist22:00:020
37896599240,23cyclictest0-21swapper/622:55:046
37896599240,20cyclictest0-21swapper/622:10:136
37895999242,4cyclictest0-21swapper/422:57:224
37895999240,23cyclictest0-21swapper/421:00:144
37895799240,24cyclictest410215-21munin-run19:55:013
378954992421,3cyclictest0-21swapper/221:40:132
378954992420,4cyclictest0-21swapper/223:40:122
37895499240,22cyclictest434438-21apt-get20:30:132
378949992423,1cyclictest553540-21apt-get23:25:140
378949992420,3cyclictest413657-21awk20:00:010
378968992322,1cyclictest0-21swapper/719:25:037
37896899230,22cyclictest482078-21apt-get21:40:137
37896899230,22cyclictest0-21swapper/723:55:127
37896899230,1cyclictest0-21swapper/720:10:137
37896899230,1cyclictest0-21swapper/720:10:137
378965992323,0cyclictest0-21swapper/622:40:106
378965992320,3cyclictest0-21swapper/623:20:016
378965992320,3cyclictest0-21swapper/619:20:156
378965992319,4cyclictest0-21swapper/623:30:136
37896599230,22cyclictest0-21swapper/621:50:136
37896599230,20cyclictest475229-21apt-get21:30:146
37896599230,0cyclictest0-21swapper/600:20:106
37896599230,0cyclictest0-21swapper/600:20:106
37895999234,1cyclictest0-21swapper/400:36:134
378959992320,3cyclictest476615-21ntp_states21:30:194
37895999230,22cyclictest507223-21ntpq22:15:184
378957992321,2cyclictest536558-21apt-get23:00:143
378957992321,2cyclictest413617-21munin-run20:00:013
37895799230,22cyclictest0-21swapper/322:30:113
37895799230,22cyclictest0-21swapper/321:10:193
37895799230,22cyclictest0-21swapper/320:15:133
37895799230,22cyclictest0-21swapper/320:15:133
378954992321,2cyclictest0-21swapper/221:25:202
378954992320,3cyclictest447642-21basename20:50:012
378954992319,3cyclictest0-21swapper/220:10:132
378954992319,3cyclictest0-21swapper/220:10:122
37895499230,22cyclictest0-21swapper/222:40:112
37895499230,0cyclictest0-21swapper/219:35:132
37895499230,0cyclictest0-21swapper/200:35:122
378952992321,1cyclictest440993-21cut20:40:021
37895299230,22cyclictest520863-21ntpq22:35:171
37895299230,22cyclictest0-21swapper/122:50:011
37895299230,22cyclictest0-21swapper/122:30:191
37895299230,22cyclictest0-21swapper/119:30:131
37895299230,1cyclictest0-21swapper/123:30:021
378949992322,1cyclictest0-21swapper/000:05:170
37894999230,23cyclictest593932-21perf00:25:010
37894999230,23cyclictest593932-21perf00:25:010
37894999230,22cyclictest0-21swapper/021:45:040
37894999230,1cyclictest0-21swapper/022:35:110
378968992222,0cyclictest0-21swapper/719:15:147
378968992221,1cyclictest492275-21apt-get21:55:137
378968992221,1cyclictest440875-21appstreamcli20:40:047
37896899220,22cyclictest0-21swapper/722:35:117
37896899220,22cyclictest0-21swapper/719:25:017
37896899220,21cyclictest570506-21apt-get23:50:127
37896899220,21cyclictest485018-21apt-get21:45:047
37896899220,21cyclictest0-21swapper/723:45:127
37896899220,21cyclictest0-21swapper/723:15:137
37896899220,21cyclictest0-21swapper/722:10:127
37896899220,21cyclictest0-21swapper/719:30:137
37896899220,1cyclictest532654-21apt-get22:55:047
37896899220,1cyclictest0-21swapper/700:00:137
378965992221,1cyclictest427658-21apt-get20:20:136
378965992221,1cyclictest0-21swapper/600:10:136
378965992220,2cyclictest0-21swapper/619:30:136
37896599220,21cyclictest0-21swapper/622:45:186
37896599220,21cyclictest0-21swapper/622:35:196
37896599220,21cyclictest0-21swapper/621:55:136
37896599220,21cyclictest0-21swapper/621:40:136
37896599220,21cyclictest0-21swapper/620:35:136
37896599220,1cyclictest435746-21ntpq20:30:186
37896599220,1cyclictest0-21swapper/622:00:056
37896599220,1cyclictest0-21swapper/620:45:136
37896599220,1cyclictest0-21swapper/620:00:146
37896599220,1cyclictest0-21swapper/619:50:146
378963992221,1cyclictest0-21swapper/519:25:205
378963992218,3cyclictest440792-21dump-pmu-power20:40:015
37896399220,21cyclictest481664-21appstreamcli21:40:045
37896399220,21cyclictest0-21swapper/523:10:135
37896399220,21cyclictest0-21swapper/522:50:155
37896399220,21cyclictest0-21swapper/520:25:125
37896399220,21cyclictest0-21swapper/520:20:145
37896399220,21cyclictest0-21swapper/519:45:125
37896399220,21cyclictest0-21swapper/519:40:125
37896399220,1cyclictest526327-21apt-get22:45:125
37896399220,1cyclictest383453-21apt-get19:15:135
37896399220,0cyclictest0-21swapper/522:15:125
37895999224,18cyclictest0-21swapper/423:19:204
378959992222,0cyclictest0-21swapper/421:05:224
37895999220,22cyclictest466312-21ntpq21:15:184
37895999220,22cyclictest0-21swapper/423:20:194
37895999220,21cyclictest410225-21awk19:55:014
37895999220,21cyclictest0-21swapper/421:55:124
37895999220,21cyclictest0-21swapper/421:45:044
37895999220,21cyclictest0-21swapper/419:40:124
378957992221,1cyclictest590969-21apt-get00:20:113
378957992221,1cyclictest590969-21apt-get00:20:103
378957992221,1cyclictest580802-21apt-get00:05:173
378957992221,1cyclictest401793-21ntpq19:40:183
378957992221,1cyclictest0-21swapper/320:40:033
378957992219,2cyclictest468004-21sleep21:20:013
37895799220,22cyclictest505452-21ls22:15:003
37895799220,22cyclictest471397-21munin-run21:25:013
37895799220,22cyclictest0-21swapper/300:30:183
37895799220,21cyclictest577401-21apt-get00:00:143
37895799220,21cyclictest0-21swapper/323:40:123
37895799220,21cyclictest0-21swapper/323:05:153
37895799220,21cyclictest0-21swapper/322:35:113
37895799220,21cyclictest0-21swapper/322:20:143
37895799220,21cyclictest0-21swapper/322:00:043
37895799220,21cyclictest0-21swapper/321:55:133
37895799220,21cyclictest0-21swapper/321:50:143
37895799220,21cyclictest0-21swapper/320:30:143
37895799220,21cyclictest0-21swapper/320:00:143
37895799220,1cyclictest389878-21appstreamcli19:25:013
37895799220,1cyclictest0-21swapper/322:30:013
37895799220,1cyclictest0-21swapper/320:35:123
378954992221,1cyclictest594370-21apt-get00:25:142
378954992221,1cyclictest495299-21922:00:022
378954992221,1cyclictest0-21swapper/223:15:132
378954992219,3cyclictest461209-21perf21:10:012
378954992219,3cyclictest430610-21perf20:25:012
378954992219,3cyclictest0-21swapper/222:15:112
378954992219,3cyclictest0-21swapper/221:00:132
378954992219,3cyclictest0-21swapper/220:25:122
378954992219,3cyclictest0-21swapper/219:55:182
378954992217,5cyclictest0-21swapper/219:45:132
378954992216,5cyclictest427187-21apt20:20:012
378954992216,5cyclictest427187-21apt20:20:012
37895499220,22cyclictest0-21swapper/221:15:022
37895499220,21cyclictest495723-21apt-get22:00:142
37895499220,21cyclictest0-21swapper/222:30:122
37895499220,21cyclictest0-21swapper/222:05:132
37895499220,21cyclictest0-21swapper/221:15:132
37895499220,1cyclictest587123-21munin-run00:15:012
378952992222,0cyclictest0-21swapper/120:00:141
378952992221,1cyclictest341rcuc/121:55:011
378952992220,1cyclictest509351-21apt-get22:20:131
378952992219,2cyclictest485083-21appstreamcli21:45:021
37895299220,21cyclictest563725-21apt-get23:40:121
37895299220,21cyclictest0-21swapper/123:55:121
37895299220,21cyclictest0-21swapper/123:30:181
37895299220,21cyclictest0-21swapper/123:10:121
37895299220,21cyclictest0-21swapper/123:05:011
37895299220,21cyclictest0-21swapper/122:00:141
37895299220,21cyclictest0-21swapper/121:35:131
37895299220,21cyclictest0-21swapper/120:45:131
37895299220,21cyclictest0-21swapper/120:30:191
37895299220,21cyclictest0-21swapper/120:15:131
37895299220,21cyclictest0-21swapper/120:15:131
37895299220,21cyclictest0-21swapper/119:20:131
37895299220,21cyclictest0-21swapper/119:15:201
37895299220,21cyclictest0-21swapper/100:25:131
37895299220,21cyclictest0-21swapper/100:15:201
37895299220,21cyclictest0-21swapper/100:15:201
37895299220,21cyclictest0-21swapper/100:10:131
378949992222,0cyclictest0-21swapper/019:25:030
378949992221,1cyclictest529721-21apt-get22:50:150
378949992221,1cyclictest405213-21ntpq19:45:200
378949992221,1cyclictest0-21swapper/021:15:130
378949992221,1cyclictest0-21swapper/021:10:120
378949992221,1cyclictest0-21swapper/000:30:120
378949992220,1cyclictest0-21swapper/022:10:180
37894999220,21cyclictest508935-21appstreamcli22:20:030
37894999220,21cyclictest0-21swapper/023:40:120
37894999220,21cyclictest0-21swapper/022:45:120
37894999220,21cyclictest0-21swapper/021:25:130
37894999220,21cyclictest0-21swapper/021:20:200
37894999220,21cyclictest0-21swapper/020:15:150
37894999220,21cyclictest0-21swapper/020:15:140
37894999220,1cyclictest0-21swapper/023:20:010
37894999220,1cyclictest0-21swapper/022:40:110
37894999220,1cyclictest0-21swapper/022:20:000
378968992121,0cyclictest0-21swapper/723:40:187
378968992121,0cyclictest0-21swapper/723:10:127
378968992121,0cyclictest0-21swapper/721:50:127
378968992121,0cyclictest0-21swapper/720:25:127
378968992121,0cyclictest0-21swapper/700:37:137
378968992120,1cyclictest580802-21apt-get00:05:167
378968992120,1cyclictest481580-21munin-run21:40:017
378968992120,1cyclictest424245-21apt-get20:15:157
378968992120,1cyclictest424245-21apt-get20:15:147
378968992120,1cyclictest397079-21apt-get19:35:137
378968992120,1cyclictest0-21swapper/722:00:057
378968992120,1cyclictest0-21swapper/720:10:017
378968992119,2cyclictest465037-21apt-get21:15:137
37896899210,21cyclictest500413-21ntpq22:05:197
37896899210,21cyclictest0-21swapper/723:30:147
37896899210,21cyclictest0-21swapper/722:45:127
37896899210,21cyclictest0-21swapper/722:25:197
37896899210,21cyclictest0-21swapper/720:30:127
37896899210,21cyclictest0-21swapper/720:00:207
37896899210,21cyclictest0-21swapper/719:45:147
37896899210,20cyclictest0-21swapper/722:50:157
37896899210,0cyclictest0-21swapper/721:10:187
37896899210,0cyclictest0-21swapper/720:55:137
37896899210,0cyclictest0-21swapper/700:15:197
37896899210,0cyclictest0-21swapper/700:15:197
378965992120,1cyclictest481623-21http21:40:016
378965992120,1cyclictest0-21swapper/623:55:126
378965992120,1cyclictest0-21swapper/620:50:216
378965992120,1cyclictest0-21swapper/620:05:136
378965992119,2cyclictest0-21swapper/623:40:136
378965992118,1cyclictest0-21swapper/621:10:126
37896599210,21cyclictest0-21swapper/622:50:216
37896599210,21cyclictest0-21swapper/621:45:046
37896599210,21cyclictest0-21swapper/619:40:126
37896599210,0cyclictest0-21swapper/623:20:126
37896599210,0cyclictest0-21swapper/623:00:156
37896599210,0cyclictest0-21swapper/622:30:126
378963992121,0cyclictest0-21swapper/523:00:195
378963992121,0cyclictest0-21swapper/521:15:135
378963992121,0cyclictest0-21swapper/520:40:125
378963992120,1cyclictest560314-21apt-get23:35:125
378963992120,1cyclictest0-21swapper/523:00:015
378963992120,1cyclictest0-21swapper/522:20:135
378963992120,0cyclictest0-21swapper/522:25:145
378963992119,1cyclictest539954-21watch23:05:165
37896399210,21cyclictest0-21swapper/523:20:205
37896399210,21cyclictest0-21swapper/522:00:145
37896399210,21cyclictest0-21swapper/520:05:145
37896399210,21cyclictest0-21swapper/500:35:125
37896399210,1cyclictest0-21swapper/521:05:165
37896399210,0cyclictest0-21swapper/521:50:125
37896399210,0cyclictest0-21swapper/520:30:135
37896399210,0cyclictest0-21swapper/500:25:135
37896399210,0cyclictest0-21swapper/500:05:175
37895999213,0cyclictest0-21swapper/423:52:184
37895999213,0cyclictest0-21swapper/423:08:214
37895999213,0cyclictest0-21swapper/421:29:304
37895999213,0cyclictest0-21swapper/400:03:164
378959992121,0cyclictest0-21swapper/419:10:134
37895999210,21cyclictest597755-21apt-get00:30:134
37895999210,21cyclictest0-21swapper/423:55:134
37895999210,21cyclictest0-21swapper/421:20:184
37895999210,21cyclictest0-21swapper/421:15:014
37895999210,21cyclictest0-21swapper/400:20:114
37895999210,21cyclictest0-21swapper/400:20:114
37895999210,20cyclictest0-21swapper/423:30:134
37895999210,0cyclictest0-21swapper/422:30:124
37895999210,0cyclictest0-21swapper/400:05:174
378957992121,0cyclictest0-21swapper/323:30:133
378957992121,0cyclictest0-21swapper/322:50:163
378957992121,0cyclictest0-21swapper/321:00:203
378957992121,0cyclictest0-21swapper/300:15:143
378957992121,0cyclictest0-21swapper/300:15:143
378957992120,1cyclictest525886-21perf22:45:013
378957992120,1cyclictest0-21swapper/319:35:143
378957992120,1cyclictest0-21swapper/319:15:013
378957992119,1cyclictest0-21swapper/323:45:123
37895799210,21cyclictest0-21swapper/321:05:163
37895799210,21cyclictest0-21swapper/300:25:213
37895799210,20cyclictest0-21swapper/300:35:123
37895799210,0cyclictest0-21swapper/322:55:143
37895799210,0cyclictest0-21swapper/321:40:133
37895799210,0cyclictest0-21swapper/321:35:133
37895799210,0cyclictest0-21swapper/319:30:143
378954992121,0cyclictest468446-21apt-get21:20:132
378954992121,0cyclictest448069-21apt-get20:50:132
378954992121,0cyclictest0-21swapper/222:35:112
378954992121,0cyclictest0-21swapper/221:45:112
378954992120,1cyclictest475229-21apt-get21:30:122
378954992120,1cyclictest0-21swapper/219:25:132
378954992119,2cyclictest0-21swapper/219:10:202
378954992118,3cyclictest0-21swapper/223:55:182
378954992118,2cyclictest0-21swapper/220:55:132
37895499210,21cyclictest592351-21ntpq00:20:172
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37895499210,0cyclictest0-21swapper/200:05:182
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378949992121,0cyclictest0-21swapper/023:00:150
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37894999210,1cyclictest400485-21apt-get19:40:120
37894999210,1cyclictest0-21swapper/022:55:140
37894999210,0cyclictest0-21swapper/023:10:120
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378968992020,0cyclictest0-21swapper/723:35:137
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378965992020,0cyclictest0-21swapper/622:25:196
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378965992018,2cyclictest0-21swapper/619:25:036
37896599200,19cyclictest0-21swapper/621:20:206
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378963992020,0cyclictest0-21swapper/523:55:125
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378963992020,0cyclictest0-21swapper/520:15:155
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