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2026-03-27 - 04:04
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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 rack3slot6.osadl.org (updated Fri Mar 27, 2026 00:45:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
442829612,37sleep00-21swapper/019:08:240
4762999338,50cyclictest23272-21cron19:59:591
475899878,71cyclictest0-21swapper/021:00:120
4762998610,60cyclictest0-21swapper/123:25:111
476299836,62cyclictest548-21runrttasks21:10:141
476299827,58cyclictest26450-21apt-get21:40:131
476299826,61cyclictest22428-21apt-get23:15:131
4762998210,61cyclictest0-21swapper/120:10:111
454728222,49sleep10-21swapper/119:09:111
476299819,59cyclictest0-21swapper/119:20:231
476299818,61cyclictest12643-21apt-get19:30:111
476299817,63cyclictest24639-21apt-get21:35:131
476299817,63cyclictest1858-21apt-get20:30:141
476299817,58cyclictest22899-21apt-get21:30:121
476299817,58cyclictest22899-21apt-get21:30:111
4762998110,64cyclictest0-21swapper/119:25:111
4762998110,64cyclictest0-21swapper/119:25:111
475899817,63cyclictest0-21swapper/021:40:140
4762998010,60cyclictest0-21swapper/123:35:111
4762998010,60cyclictest0-21swapper/123:00:151
475899809,55cyclictest0-21swapper/022:40:130
475899806,65cyclictest0-21swapper/023:15:120
475899806,59cyclictest0-21swapper/019:35:150
475899804,66cyclictest15922-21apt-get21:10:140
476299799,61cyclictest0-21swapper/123:45:121
476299796,62cyclictest14388-21apt-get19:35:161
476299796,61cyclictest28743-21apt-get20:15:151
4762997924,48cyclictest448-21dbus-daemon20:39:001
4762997910,59cyclictest0-21swapper/121:20:131
4762997910,58cyclictest0-21swapper/100:15:141
4762997910,54cyclictest0-21swapper/100:20:151
475899798,57cyclictest0-21swapper/019:30:120
475899797,59cyclictest0-21swapper/020:30:140
475899797,55cyclictest16859-21apt-get23:00:120
475899796,59cyclictest22899-21apt-get21:30:130
475899796,59cyclictest22899-21apt-get21:30:120
475899796,58cyclictest519-21apt-get23:45:120
475899796,57cyclictest0-21swapper/022:20:170
475899795,63cyclictest25927-21apt-get23:25:120
476299789,61cyclictest0-21swapper/122:45:241
476299788,60cyclictest0-21swapper/100:35:121
476299788,59cyclictest0-21swapper/122:25:151
476299788,59cyclictest0-21swapper/122:25:151
476299787,61cyclictest18597-21apt-get23:05:131
476299786,61cyclictest1645-21apt-get22:20:161
4762997811,58cyclictest0-21swapper/119:40:221
4762997810,60cyclictest0-21swapper/123:30:161
475899789,58cyclictest0-21swapper/019:50:140
475899787,58cyclictest0-21swapper/021:35:130
475899787,56cyclictest29407-21apt-get23:35:120
475899787,55cyclictest0-21swapper/020:05:160
475899787,54cyclictest16494-21apt-get19:40:230
475899783,68cyclictest6297-21python322:30:430
476299779,62cyclictest0-21swapper/123:10:221
476299779,60cyclictest0-21swapper/121:25:121
476299779,59cyclictest0-21swapper/100:00:261
476299779,57cyclictest0-21swapper/121:15:101
476299777,60cyclictest25220-21apt-get20:05:161
476299776,61cyclictest23475-21apt-get20:00:111
476299776,58cyclictest13058-21apt-get22:50:221
476299776,56cyclictest19977-21apt-get19:50:141
476299776,55cyclictest4018-21apt-get23:55:161
476299775,56cyclictest14888-21apt-get00:25:141
4762997710,58cyclictest0-21swapper/123:40:131
4762997710,58cyclictest0-21swapper/119:45:131
475899777,60cyclictest0-21swapper/000:25:140
475899776,58cyclictest0-21swapper/020:15:140
475899776,56cyclictest0-21swapper/023:05:130
475899776,54cyclictest3387-21apt-get22:25:150
475899776,54cyclictest3387-21apt-get22:25:140
475899775,56cyclictest18364-21apt-get00:35:130
475899773,16cyclictest21758-21sed23:10:450
476299768,57cyclictest0-21swapper/100:30:151
476299768,57cyclictest0-21swapper/100:30:141
476299768,55cyclictest2269-21apt-get23:50:121
476299767,54cyclictest9645-21apt-get00:10:141
476299767,53cyclictest7099-21apt-get19:15:121
476299766,59cyclictest8983-21apt-get22:40:121
4762997624,47cyclictest448-21dbus-daemon22:40:001
475899769,56cyclictest0-21swapper/000:00:250
475899769,54cyclictest0-21swapper/019:55:120
475899769,52cyclictest0-21swapper/023:55:150
475899768,54cyclictest0-21swapper/022:50:230
475899768,54cyclictest0-21swapper/020:40:110
475899767,58cyclictest0-21swapper/000:05:140
475899767,56cyclictest0-21swapper/023:30:130
475899767,54cyclictest27001-21apt-get20:10:120
475899767,53cyclictest18239-21apt-get19:45:120
475899766,54cyclictest13147-21apt-get00:20:130
475899766,54cyclictest0-21swapper/022:35:130
475899766,53cyclictest31219-21apt-get23:40:120
476299759,58cyclictest0-21swapper/121:00:131
476299758,59cyclictest0-21swapper/120:20:231
476299757,57cyclictest7159-21apt-get20:45:151
476299756,53cyclictest8892-21apt-get20:50:111
476299755,58cyclictest14130-21apt-get21:05:111
476299755,55cyclictest7860-21apt-get00:05:131
4762997525,46cyclictest31524-21uptime22:00:461
4762997524,46cyclictest448-21dbus-daemon22:35:011
475899758,57cyclictest0-21swapper/000:30:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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