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2025-06-16 - 20:09
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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 rackeslot5.osadl.org (updated Mon Jun 16, 2025 12:44:21)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11657993028,1cyclictest609-21dbus-daemon11:35:013
1165799300,29cyclictest626-21gdbus07:55:013
1165699300,29cyclictest6882-21cron11:35:012
1165599300,29cyclictest303-21systemd-journal12:10:011
11654993028,1cyclictest25981-21idleruntime-cro08:50:000
1165499300,29cyclictest23252-21cron12:10:010
1165799290,28cyclictest0-21swapper/312:05:153
1165799290,1cyclictest28034-21cron07:45:013
11656992927,1cyclictest2531-21apt-get11:25:162
1165699290,28cyclictest0-21swapper/211:45:172
1165699290,1cyclictest25330-21apt-get11:05:132
11655992928,0cyclictest11910-21apt-get11:45:171
11655992927,1cyclictest13936-21cron07:15:001
1165599290,28cyclictest10512-21apt-get09:25:141
1165599290,28cyclictest0-21swapper/108:25:121
1165599290,0cyclictest0-21swapper/112:25:151
11654992927,1cyclictest13944-21cron07:15:000
1165499290,1cyclictest9904-21apt-get08:15:130
1165799280,0cyclictest0-21swapper/309:25:143
11656992827,0cyclictest28897-21apt-get08:55:152
1165699280,28cyclictest0-21swapper/208:25:122
1165699280,27cyclictest17509-21apt-get09:40:132
1165699280,0cyclictest717-21apt-get12:30:162
1165699280,0cyclictest31464-21apt-get10:10:142
11655992828,0cyclictest0-21swapper/109:35:141
11655992828,0cyclictest0-21swapper/108:05:141
1165599280,0cyclictest0-21swapper/112:00:161
11654992828,0cyclictest0-21swapper/011:45:170
11654992828,0cyclictest0-21swapper/009:35:140
11654992828,0cyclictest0-21swapper/008:05:140
1165499280,28cyclictest0-21swapper/009:25:140
1165499280,0cyclictest0-21swapper/012:00:160
11657992727,0cyclictest23541-21apt-get12:10:163
11657992727,0cyclictest0-21swapper/312:30:163
11657992727,0cyclictest0-21swapper/312:25:153
11657992727,0cyclictest0-21swapper/311:45:173
11657992727,0cyclictest0-21swapper/311:25:153
11657992727,0cyclictest0-21swapper/309:40:133
11657992727,0cyclictest0-21swapper/308:25:123
11657992726,1cyclictest18901-21apt-get07:25:133
11656992727,0cyclictest0-21swapper/208:45:162
11656992727,0cyclictest0-21swapper/207:15:142
1165699270,0cyclictest30830-21apt-get12:25:152
1165699270,0cyclictest0-21swapper/212:10:162
11655992727,0cyclictest0-21swapper/111:05:131
11655992727,0cyclictest0-21swapper/110:15:141
11655992727,0cyclictest0-21swapper/109:15:151
11655992725,1cyclictest0-21swapper/108:35:011
11654992727,0cyclictest0-21swapper/010:15:140
11654992725,1cyclictest18988-21cron08:35:000
1165499270,27cyclictest0-21swapper/010:10:140
1165499270,27cyclictest0-21swapper/009:15:150
1165499270,0cyclictest0-21swapper/009:40:130
11657992626,0cyclictest0-21swapper/307:15:143
11657992625,0cyclictest0-21swapper/308:45:163
11656992626,0cyclictest0-21swapper/210:40:132
11656992626,0cyclictest0-21swapper/209:10:152
11656992625,1cyclictest30236-21idleruntime-cro12:25:012
11656992625,1cyclictest29972-21apt-get11:15:142
11655992626,0cyclictest0-21swapper/111:55:161
11655992626,0cyclictest0-21swapper/109:40:131
11655992626,0cyclictest0-21swapper/109:10:161
11655992625,0cyclictest0-21swapper/111:50:181
11655992624,1cyclictest17750-21cron10:50:011
11654992626,0cyclictest0-21swapper/012:25:150
11654992626,0cyclictest0-21swapper/011:55:160
11654992626,0cyclictest0-21swapper/011:05:130
11654992626,0cyclictest0-21swapper/009:10:160
11654992624,1cyclictest5000-21perf08:05:010
11654992624,1cyclictest17738-21cron10:50:010
11654992624,1cyclictest0-21swapper/008:40:140
11657992525,0cyclictest0-21swapper/308:55:163
11657992524,0cyclictest3472-21apt-get09:10:153
11656992525,0cyclictest0-21swapper/211:50:182
11656992525,0cyclictest0-21swapper/207:50:142
11656992524,1cyclictest14869-21cron09:35:002
11656992523,1cyclictest5097-21sh12:40:012
11655992525,0cyclictest21628-21apt-get08:40:141
11654992525,0cyclictest0-21swapper/011:50:180
11654992524,0cyclictest6341-21apt-get10:25:150
11657992424,0cyclictest0-21swapper/310:40:133
11657992422,1cyclictest303-21systemd-journal12:25:013
11656992424,0cyclictest0-21swapper/212:15:182
11656992424,0cyclictest0-21swapper/209:55:132
11655992424,0cyclictest0-21swapper/110:25:151
11655992423,0cyclictest2938-21apt-get08:00:121
11657992323,0cyclictest14234-21apt-get11:50:183
11657992323,0cyclictest0-21swapper/311:15:143
11657992322,1cyclictest0-21swapper/309:35:003
11657992321,1cyclictest615-21rs:main3
11656992323,0cyclictest25999-21apt-get07:40:132
11656992323,0cyclictest0-21swapper/209:35:142
11655992323,0cyclictest0-21swapper/110:05:141
11654992323,0cyclictest0-21swapper/008:25:120
11657992222,0cyclictest24477-21apt-get09:55:133
11657992222,0cyclictest0-21swapper/312:15:183
11657992221,0cyclictest15165-21apt-get09:35:153
11656992222,0cyclictest0-21swapper/208:00:132
11656992221,1cyclictest20363-21apt-get10:55:142
11654992222,0cyclictest0-21swapper/010:05:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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