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2026-07-29 - 11:23

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 Wed Jul 29, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9607802248190,44sleep10-21swapper/119:08:481
9606132241175,53sleep20-21swapper/219:06:232
9607912240171,22sleep30-21swapper/319:08:593
9607552229160,59sleep50-21swapper/519:08:285
9607182227190,24sleep40-21swapper/419:07:554
9608242221183,25sleep00-21swapper/019:09:280
9608032221162,18sleep60-21swapper/619:09:106
9607662218184,22sleep70-21swapper/719:08:397
96108799260,25cyclictest1060769-21ntp_kernel_pll_21:55:187
96108399260,24cyclictest1154336-21idleruntime-cro00:35:006
96108799250,24cyclictest3422186-21systemd-journal23:29:597
96108399250,24cyclictest0-21swapper/623:35:136
96108199250,24cyclictest0-21swapper/522:55:125
96108199250,1cyclictest1049059-21ntpq21:35:195
96107899250,25cyclictest979438-21basename19:39:594
961076992524,1cyclictest0-21swapper/320:20:003
96107699250,24cyclictest0-21swapper/321:00:113
96107699250,24cyclictest0-21swapper/321:00:113
96107199250,4cyclictest1022451-21grep20:50:202
961069992524,1cyclictest1021150-21apt-get20:50:151
96106999250,24cyclictest1088617-21basename22:45:011
96106699250,24cyclictest1100814-21apt-get23:05:150
961087992421,3cyclictest1035880-21taskset21:15:147
96108799240,23cyclictest982394-21idleruntime-cro19:45:007
96108799240,23cyclictest1080132-21apt-get22:30:127
96108799240,23cyclictest1026614-21perf21:00:017
96108799240,23cyclictest1026614-21perf21:00:017
961083992423,1cyclictest0-21swapper/621:00:126
961083992423,1cyclictest0-21swapper/621:00:126
961083992422,1cyclictest0-21swapper/620:15:196
96108199240,23cyclictest0-21swapper/523:25:125
96107899240,23cyclictest1153194-21sh00:30:184
961076992424,0cyclictest521rcuc/322:30:193
961076992423,1cyclictest521rcuc/319:35:103
96107699240,23cyclictest1020727-21grep20:50:003
961071992421,2cyclictest1017779-21turbostat20:44:592
96107199240,3cyclictest967632-21systemctl19:20:002
96107199240,1cyclictest1077186-21apt-get22:25:102
96106999240,23cyclictest1085673-21awk22:40:011
96106999240,1cyclictest0-21swapper/121:20:201
961066992423,1cyclictest1145936-21apt-get00:20:130
96106699240,23cyclictest1044724-21apt-get21:30:120
96106699240,23cyclictest0-21swapper/020:55:140
96106699240,23cyclictest0-21swapper/020:55:140
961087992322,1cyclictest989956-21ntpq19:55:177
96108799230,22cyclictest0-21swapper/721:20:127
96108799230,22cyclictest0-21swapper/721:10:127
96108799230,22cyclictest0-21swapper/700:00:127
96108799230,0cyclictest0-21swapper/722:20:127
96108799230,0cyclictest0-21swapper/721:40:187
961083992322,1cyclictest791rcuc/619:35:106
961083992322,1cyclictest791rcuc/619:30:176
961083992322,1cyclictest0-21swapper/621:30:206
961083992321,1cyclictest0-21swapper/621:10:136
961083992319,3cyclictest1090421-21ntp_states22:45:216
96108399230,2cyclictest1038403-21grep21:20:006
96108399230,22cyclictest966473-21ntpq19:15:236
96108399230,22cyclictest791rcuc/623:30:126
96108399230,22cyclictest0-21swapper/622:40:186
96108399230,22cyclictest0-21swapper/622:25:036
96108399230,22cyclictest0-21swapper/622:15:146
96108399230,22cyclictest0-21swapper/620:10:116
961081992323,0cyclictest0-21swapper/519:50:135
961081992321,1cyclictest72-21ksoftirqd/521:20:015
96108199230,22cyclictest789-21dbus-daemon22:00:015
96108199230,22cyclictest72-21ksoftirqd/520:00:165
96108199230,22cyclictest0-21swapper/522:25:035
96108199230,22cyclictest0-21swapper/520:35:135
96108199230,22cyclictest0-21swapper/500:35:125
96108199230,22cyclictest0-21swapper/500:10:025
96108199230,21cyclictest0-21swapper/520:15:135
961078992322,1cyclictest0-21swapper/422:50:124
961078992318,4cyclictest1079706-21ls22:30:014
96107899230,23cyclictest0-21swapper/400:20:124
96107899230,22cyclictest0-21swapper/420:05:124
961076992323,0cyclictest0-21swapper/323:35:143
961076992322,1cyclictest0-21swapper/320:35:133
961076992321,1cyclictest0-21swapper/320:20:123
961076992321,1cyclictest0-21swapper/319:20:123
96107699230,22cyclictest0-21swapper/323:50:153
96107699230,22cyclictest0-21swapper/323:30:003
96107699230,22cyclictest0-21swapper/321:05:113
96107699230,1cyclictest0-21swapper/322:25:033
961071992322,1cyclictest1027048-21apt-get21:00:112
961071992322,1cyclictest1027048-21apt-get21:00:112
961071992322,1cyclictest0-21swapper/221:40:012
96107199230,23cyclictest0-21swapper/220:35:112
96107199230,22cyclictest1035876-21apt-get21:15:152
96107199230,22cyclictest0-21swapper/222:20:182
96106999230,22cyclictest0-21swapper/123:15:131
96106999230,22cyclictest0-21swapper/122:10:121
96106999230,22cyclictest0-21swapper/100:10:021
96106999230,1cyclictest991641-21apt-get20:00:101
961066992323,0cyclictest0-21swapper/019:50:130
961066992319,3cyclictest976468-21munin-run19:35:000
96106699230,22cyclictest1137561-21ntpq00:05:220
96106699230,22cyclictest1069637-21ntpq22:10:180
96106699230,22cyclictest1053174-21basename21:45:010
96106699230,22cyclictest1016628-21ntpq20:40:200
96106699230,22cyclictest1003251-21cat20:20:010
96106699230,22cyclictest0-21swapper/023:25:110
96106699230,22cyclictest0-21swapper/022:35:100
96106699230,22cyclictest0-21swapper/022:00:130
96106699230,22cyclictest0-21swapper/000:30:120
961087992221,1cyclictest1000037-21munin-plugin-st20:14:597
96108799220,22cyclictest1-21systemd19:40:007
96108799220,22cyclictest1003467-21apt-get20:20:117
96108799220,22cyclictest0-21swapper/720:45:137
96108799220,21cyclictest1000468-21apt-get20:15:147
96108799220,21cyclictest0-21swapper/723:30:037
96108799220,21cyclictest0-21swapper/722:25:177
96108799220,21cyclictest0-21swapper/722:15:147
96108799220,21cyclictest0-21swapper/721:50:147
96108799220,21cyclictest0-21swapper/721:25:127
96108799220,21cyclictest0-21swapper/700:30:127
96108799220,1cyclictest985743-21apt-get19:50:137
96108799220,1cyclictest965103-21apt-get19:15:147
96108799220,1cyclictest1127373-21apt-get23:50:157
96108799220,1cyclictest0-21swapper/722:35:177
961083992221,1cyclictest0-21swapper/623:30:006
961083992221,1cyclictest0-21swapper/621:35:126
96108399220,21cyclictest0-21swapper/623:45:156
96108399220,21cyclictest0-21swapper/623:40:116
96108399220,21cyclictest0-21swapper/620:25:196
96108399220,21cyclictest0-21swapper/600:25:186
961081992222,0cyclictest20-1pr/ttyS000:07:455
961081992222,0cyclictest0-21swapper/523:35:125
961081992221,1cyclictest0-21swapper/520:45:135
961081992221,0cyclictest701rcuc/519:35:095
96108199220,21cyclictest994586-21apt-get20:05:125
96108199220,21cyclictest701rcuc/522:40:015
96108199220,21cyclictest701rcuc/519:30:115
96108199220,21cyclictest1106701-21apt-get23:15:135
96108199220,21cyclictest0-21swapper/523:40:115
96108199220,21cyclictest0-21swapper/523:20:145
96108199220,21cyclictest0-21swapper/522:05:115
96108199220,21cyclictest0-21swapper/521:10:135
96108199220,21cyclictest0-21swapper/520:50:145
96108199220,21cyclictest0-21swapper/520:30:135
96108199220,21cyclictest0-21swapper/520:20:115
96108199220,21cyclictest0-21swapper/519:25:125
96108199220,21cyclictest0-21swapper/500:00:135
96108199220,1cyclictest0-21swapper/521:20:135
96108199220,0cyclictest0-21swapper/519:15:155
961078992221,1cyclictest1047666-21apt-get21:35:114
961078992221,1cyclictest0-21swapper/423:44:594
961078992221,1cyclictest0-21swapper/423:35:134
961078992220,1cyclictest0-21swapper/420:55:144
961078992220,1cyclictest0-21swapper/420:55:134
96107899220,22cyclictest1102191-21ntpq23:05:214
96107899220,22cyclictest0-21swapper/422:05:014
96107899220,21cyclictest1044724-21apt-get21:30:124
96107899220,21cyclictest0-21swapper/423:15:144
96107899220,21cyclictest0-21swapper/421:40:124
96107899220,21cyclictest0-21swapper/421:25:134
96107899220,21cyclictest0-21swapper/420:35:124
96107899220,21cyclictest0-21swapper/420:15:144
96107899220,21cyclictest0-21swapper/419:25:124
96107899220,1cyclictest1059461-21apt-get21:55:134
96107899220,1cyclictest1056521-21apt-get21:50:154
96107899220,1cyclictest0-21swapper/422:35:014
96107899220,1cyclictest0-21swapper/419:20:004
961076992221,1cyclictest0-21swapper/319:45:133
961076992221,0cyclictest0-21swapper/300:20:133
961076992220,1cyclictest0-21swapper/322:05:123
961076992220,1cyclictest0-21swapper/319:40:123
96107699220,21cyclictest0-21swapper/323:15:143
96107699220,21cyclictest0-21swapper/323:10:113
96107699220,21cyclictest0-21swapper/322:40:123
96107699220,21cyclictest0-21swapper/322:10:113
96107699220,21cyclictest0-21swapper/321:35:113
96107699220,21cyclictest0-21swapper/321:20:133
96107699220,21cyclictest0-21swapper/320:10:133
96107699220,21cyclictest0-21swapper/320:00:113
96107699220,21cyclictest0-21swapper/319:55:113
96107699220,1cyclictest0-21swapper/323:30:133
96107699220,1cyclictest0-21swapper/322:45:143
96107699220,0cyclictest0-21swapper/321:30:203
961071992222,0cyclictest0-21swapper/223:25:122
961071992220,1cyclictest0-21swapper/220:55:142
961071992220,1cyclictest0-21swapper/220:55:142
96107199220,22cyclictest1119901-21ntpq23:35:202
96107199220,22cyclictest0-21swapper/220:15:142
96107199220,22cyclictest0-21swapper/219:25:122
96107199220,21cyclictest1066722-21ntpq22:05:192
96107199220,21cyclictest0-21swapper/223:50:142
96107199220,21cyclictest0-21swapper/223:30:132
96107199220,21cyclictest0-21swapper/222:15:132
96107199220,21cyclictest0-21swapper/221:55:192
96107199220,21cyclictest0-21swapper/219:45:192
96107199220,1cyclictest976889-21apt-get19:35:112
96107199220,1cyclictest1056095-21munin-run21:50:002
96107199220,1cyclictest1032932-21apt-get21:10:132
96107199220,1cyclictest0-21swapper/222:10:122
961069992222,0cyclictest0-21swapper/100:05:151
961069992221,1cyclictest0-21swapper/123:25:121
96106999220,22cyclictest1134566-21awk00:00:191
96106999220,22cyclictest1064947-21perf22:05:011
96106999220,22cyclictest0-21swapper/120:15:001
96106999220,21cyclictest0-21swapper/122:05:121
96106999220,21cyclictest0-21swapper/119:55:111
96106999220,21cyclictest0-21swapper/119:20:131
96106999220,1cyclictest973949-21apt-get19:30:121
96106999220,1cyclictest1151398-21perf00:30:001
96106999220,1cyclictest1018209-21apt-get20:45:121
96106999220,1cyclictest1009353-21apt-get20:30:131
96106999220,1cyclictest0-21swapper/100:20:001
961066992220,1cyclictest0-21swapper/019:10:210
961066992219,2cyclictest1121052-21munin-run23:40:000
96106699220,21cyclictest978197-21ntpq19:35:170
96106699220,21cyclictest1148880-21apt-get00:25:130
96106699220,21cyclictest0-21swapper/023:50:140
96106699220,21cyclictest0-21swapper/023:00:140
96106699220,21cyclictest0-21swapper/022:55:140
96106699220,21cyclictest0-21swapper/021:25:010
96106699220,21cyclictest0-21swapper/020:35:130
96106699220,21cyclictest0-21swapper/020:30:200
96106699220,21cyclictest0-21swapper/020:25:200
96106699220,21cyclictest0-21swapper/020:10:120
96106699220,1cyclictest1106269-21idleruntime-cro23:15:000
96106699220,1cyclictest0-21swapper/022:25:010
96106699220,1cyclictest0-21swapper/021:50:140
96106699220,1cyclictest0-21swapper/000:00:120
961087992121,0cyclictest0-21swapper/723:15:147
961087992121,0cyclictest0-21swapper/723:00:147
961087992121,0cyclictest0-21swapper/720:30:137
961087992121,0cyclictest0-21swapper/719:10:167
961087992121,0cyclictest0-21swapper/700:25:137
961087992121,0cyclictest0-21swapper/700:15:147
961087992121,0cyclictest0-21swapper/700:10:027
961087992120,1cyclictest968065-21apt-get19:20:127
961087992120,1cyclictest1122865-21sh23:40:187
961087992120,1cyclictest1089029-21apt-get22:45:137
961087992120,1cyclictest1029571-21perf21:05:017
961087992120,1cyclictest1029571-21perf21:05:017
961087992120,1cyclictest0-21swapper/723:40:007
961087992120,1cyclictest0-21swapper/721:05:187
961087992120,1cyclictest0-21swapper/719:25:127
96108799210,21cyclictest0-21swapper/722:15:017
96108799210,21cyclictest0-21swapper/722:05:127
96108799210,21cyclictest0-21swapper/720:40:207
96108799210,21cyclictest0-21swapper/720:25:137
96108799210,21cyclictest0-21swapper/700:35:127
96108799210,1cyclictest1086084-21apt-get22:40:117
96108799210,1cyclictest1062423-21apt-get22:00:137
96108799210,0cyclictest0-21swapper/700:07:477
961083992121,0cyclictest791rcuc/619:10:166
961083992121,0cyclictest0-21swapper/622:20:136
961083992121,0cyclictest0-21swapper/621:40:126
961083992121,0cyclictest0-21swapper/621:20:126
961083992121,0cyclictest0-21swapper/621:05:126
961083992121,0cyclictest0-21swapper/620:00:116
961083992120,1cyclictest0-21swapper/623:50:216
961083992120,1cyclictest0-21swapper/622:30:126
961083992120,1cyclictest0-21swapper/620:20:126
961083992120,0cyclictest0-21swapper/600:20:136
961083992118,3cyclictest0-21swapper/600:10:106
96108399210,21cyclictest0-21swapper/623:05:156
96108399210,21cyclictest0-21swapper/623:00:146
96108399210,20cyclictest0-21swapper/623:10:126
96108399210,0cyclictest0-21swapper/622:35:116
96108399210,0cyclictest0-21swapper/622:05:126
961081992121,0cyclictest0-21swapper/520:25:135
961081992121,0cyclictest0-21swapper/519:10:165
961081992120,1cyclictest997525-21apt-get20:10:125
961081992120,1cyclictest72-21ksoftirqd/522:20:135
961081992120,1cyclictest0-21swapper/523:00:135
961081992119,1cyclictest1029992-21apt-get21:05:125
961081992119,1cyclictest0-21swapper/523:50:155
961081992116,4cyclictest1088622-21awk22:45:015
96108199210,20cyclictest0-21swapper/522:30:135
96108199210,1cyclictest1053579-21apt-get21:45:135
961078992121,0cyclictest0-21swapper/423:25:124
961078992121,0cyclictest0-21swapper/422:45:144
961078992121,0cyclictest0-21swapper/422:15:144
961078992121,0cyclictest0-21swapper/421:00:114
961078992121,0cyclictest0-21swapper/421:00:104
961078992120,1cyclictest1082718-21appstreamcli22:35:034
961078992120,1cyclictest0-21swapper/423:55:134
961078992120,1cyclictest0-21swapper/420:45:004
961078992119,1cyclictest0-21swapper/419:30:124
96107899210,21cyclictest0-21swapper/423:25:004
96107899210,21cyclictest0-21swapper/422:20:194
96107899210,1cyclictest1133282-21apt-get00:00:134
96107899210,1cyclictest1056103-21awk21:50:014
96107899210,1cyclictest0-21swapper/420:15:004
96107899210,0cyclictest0-21swapper/422:10:114
96107899210,0cyclictest0-21swapper/422:05:114
961076992120,1cyclictest0-21swapper/322:15:133
961076992120,1cyclictest0-21swapper/320:40:133
961076992120,1cyclictest0-21swapper/319:50:123
961076992120,1cyclictest0-21swapper/319:25:133
961076992120,1cyclictest0-21swapper/300:30:113
961076992120,1cyclictest0-21swapper/300:25:053
961076992120,1cyclictest0-21swapper/300:10:113
96107699210,20cyclictest1023681-21idleruntime-cro20:55:003
96107699210,0cyclictest0-21swapper/321:10:133
961071992121,0cyclictest0-21swapper/222:30:132
961071992121,0cyclictest0-21swapper/221:50:142
961071992121,0cyclictest0-21swapper/221:30:122
961071992121,0cyclictest0-21swapper/219:50:192
961071992120,1cyclictest1139598-21appstreamcli00:10:022
961071992120,1cyclictest0-21swapper/223:15:122
961071992120,1cyclictest0-21swapper/222:35:172
961071992120,1cyclictest0-21swapper/200:10:002
961071992120,0cyclictest1003073-21appstreamcli20:20:022
961071992119,1cyclictest0-21swapper/221:05:112
96107199210,21cyclictest0-21swapper/221:20:192
96107199210,21cyclictest0-21swapper/220:10:182
96107199210,20cyclictest0-21swapper/222:00:122
96107199210,0cyclictest0-21swapper/221:25:132
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