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2026-03-26 - 17:04
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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 Thu Mar 26, 2026 12:45:03)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
112119911456,38cyclictest0-21swapper/008:45:100
112119910864,26cyclictest14-21ksoftirqd/011:55:110
1121199996,19cyclictest0-21swapper/008:40:110
11216999870,17cyclictest26-21ksoftirqd/107:20:111
1121199987,72cyclictest0-21swapper/009:30:260
1121199936,69cyclictest0-21swapper/011:15:120
11216999166,18cyclictest26-21ksoftirqd/110:05:121
11216999144,37cyclictest26-21ksoftirqd/108:00:131
1107429119,28sleep00-21swapper/007:09:580
11216998861,14cyclictest26-21ksoftirqd/108:50:131
1121699867,68cyclictest18361-21apt-get09:00:131
11216998657,19cyclictest26-21ksoftirqd/111:30:261
11216998534,43cyclictest0-21swapper/109:35:111
11216998512,62cyclictest0-21swapper/112:05:131
1121699848,64cyclictest28347-21apt-get12:30:141
1121699848,61cyclictest24864-21apt-get12:20:111
1121699847,63cyclictest23687-21apt-get10:45:141
11216998432,46cyclictest0-21swapper/110:30:131
11216998415,56cyclictest0-21swapper/107:55:121
11216998314,54cyclictest0-21swapper/110:00:111
11216998312,58cyclictest0-21swapper/110:50:141
11216998312,57cyclictest0-21swapper/107:30:131
1121699828,62cyclictest9571-21apt-get08:35:121
1121699827,10cyclictest0-21swapper/107:40:321
11216998252,20cyclictest26-21ksoftirqd/109:10:151
1121699823,69cyclictest11906-21tail07:10:261
1121699818,61cyclictest16601-21apt-get08:55:131
1121699817,23cyclictest2589-21apt-get08:15:131
11216998126,50cyclictest30766-21aten2.4-expect11:05:231
11216998116,55cyclictest0-21swapper/109:25:101
11216998113,57cyclictest0-21swapper/111:20:131
11216998111,56cyclictest0-21swapper/110:35:131
1121199817,23cyclictest0-21swapper/010:45:130
1121199815,22cyclictest7277-21apt-get10:00:110
1121699807,60cyclictest17837-21apt-get12:00:131
1121699807,60cyclictest17837-21apt-get12:00:121
1121699807,21cyclictest13556-21apt-get07:15:141
1121699807,21cyclictest13556-21apt-get07:15:141
1121699805,26cyclictest500-21snmpd07:45:121
1121699803,20cyclictest7103-21idleruntime-cro10:00:001
11216998024,47cyclictest250-21systemd-journal09:48:111
11216998019,55cyclictest448-21dbus-daemon12:00:001
11216998012,55cyclictest0-21swapper/111:00:121
11211998039,28cyclictest14-21ksoftirqd/010:55:110
1121699799,61cyclictest30083-21apt-get12:35:101
1121699799,56cyclictest841-21apt-get08:10:131
1121699797,19cyclictest6091-21apt-get08:25:141
1121699797,19cyclictest12549-21apt-get10:15:121
11216997912,55cyclictest0-21swapper/112:10:131
1121199796,55cyclictest0-21swapper/009:55:120
1121699787,19cyclictest4354-21apt-get08:20:131
1121699787,19cyclictest31483-21apt-get08:05:111
11216997816,51cyclictest0-21swapper/107:25:231
1121699776,20cyclictest21944-21apt-get10:40:241
1121699776,19cyclictest3780-21apt-get09:50:121
1121699775,11cyclictest0-21swapper/111:40:291
1121699774,65cyclictest22515-31find07:40:031
11216997724,44cyclictest12371-21cron10:15:011
11216997715,50cyclictest0-21swapper/110:20:241
11216997714,53cyclictest0-21swapper/109:05:121
1121199777,53cyclictest0-21swapper/011:45:120
1121699767,22cyclictest9044-21apt-get11:35:131
1121699767,22cyclictest16351-21apt-get10:25:141
1121699767,18cyclictest14337-21apt-get11:50:131
1121699766,22cyclictest11386-21apt-get08:40:101
1121699766,19cyclictest26603-21apt-get12:25:141
11216997617,52cyclictest1757-21sshd09:43:571
1121699756,59cyclictest6834-21apt-get11:30:001
1121699756,55cyclictest7829-21apt-get08:30:121
1121699756,55cyclictest7829-21apt-get08:30:111
1121699756,17cyclictest23102-21apt-get12:15:131
1121699756,17cyclictest23102-21apt-get12:15:121
11216997547,18cyclictest26-21ksoftirqd/109:30:241
1121699747,23cyclictest12599-21apt-get11:45:141
1121699747,20cyclictest25397-21apt-get09:20:131
1121699746,17cyclictest13125-21apt-get08:45:131
1121699737,19cyclictest23635-21apt-get09:15:141
1121699737,18cyclictest26250-21apt-get07:50:121
1121699734,23cyclictest548-21runrttasks11:15:311
11211997310,45cyclictest0-21swapper/011:10:110
946527233,26sleep10-21swapper/107:05:111
1121699726,20cyclictest27158-21apt-get10:55:111
1121199726,51cyclictest0-21swapper/012:25:110
1121699716,20cyclictest32444-21apt-get11:10:111
1121199716,56cyclictest27986-21apt-get07:55:110
1121199716,52cyclictest0-21swapper/008:55:140
1121199707,48cyclictest0-21swapper/010:15:150
1121199706,47cyclictest0-21swapper/007:45:130
1121199697,49cyclictest0-21swapper/011:50:110
1121199696,48cyclictest0-21swapper/011:05:130
1121199689,42cyclictest14-21ksoftirqd/010:10:010
1121199686,47cyclictest0-21swapper/008:35:120
1121199677,46cyclictest0-21swapper/010:40:250
1121199677,15cyclictest0-21swapper/009:20:150
1121199676,46cyclictest0-21swapper/011:40:130
1121199665,29cyclictest11294-21apt-get07:10:110
1121199662,38cyclictest16885-21latency_hist07:25:020
1121199657,45cyclictest0-21swapper/012:35:140
1121199655,34cyclictest16639-21ls10:25:170
1121199647,13cyclictest0-21swapper/009:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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