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2026-04-30 - 22:54
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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 50 highest latencies:
System rack3slot6.osadl.org (updated Thu Apr 30, 2026 12:44:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1930921290,6sleep10-21swapper/108:05:321
1028321160,7chrt10281-21grep07:40:331
303369911461,13cyclictest14-21ksoftirqd/010:30:110
303369910634,18cyclictest0-21swapper/007:30:150
30336999368,12cyclictest14-21ksoftirqd/009:15:120
3034199924,37cyclictest4848-21packagekitd09:00:251
2990629114,32sleep10-21swapper/107:07:181
30336998965,12cyclictest14-21ksoftirqd/009:40:140
30336998964,14cyclictest14-21ksoftirqd/010:25:130
30336998912,34cyclictest0-21swapper/009:30:130
3034199887,19cyclictest22550-21apt-get11:20:111
3034199886,21cyclictest20970-21apt-get09:45:231
30341998823,25cyclictest0-21swapper/111:55:151
3034199878,61cyclictest0-21swapper/108:15:111
3034199837,21cyclictest1422-21apt-get10:20:231
3034199835,23cyclictest13640-21apt-get09:25:141
30336998352,18cyclictest14-21ksoftirqd/011:30:120
30336998256,16cyclictest14-21ksoftirqd/011:10:130
30336998250,18cyclictest0-21swapper/007:25:250
3034199816,23cyclictest30422-21apt-get07:10:101
30336998154,17cyclictest14-21ksoftirqd/008:45:130
3034199795,23cyclictest12077-21apt-get12:20:121
30341997922,16cyclictest24276-21cron09:55:001
30341997918,16cyclictest11739-21wc07:45:241
30336997952,17cyclictest14-21ksoftirqd/010:10:130
30336997950,18cyclictest14-21ksoftirqd/007:15:140
30336997950,17cyclictest14-21ksoftirqd/012:35:120
30336997914,58cyclictest0-21swapper/010:05:270
30336997854,16cyclictest14-21ksoftirqd/008:05:150
30336997849,18cyclictest14-21ksoftirqd/010:45:130
30336997849,18cyclictest14-21ksoftirqd/007:50:130
3034199777,21cyclictest2806-21apt-get08:55:091
3034199777,20cyclictest26511-21apt-get10:00:131
3034199776,20cyclictest15527-21apt-get11:00:141
3034199775,24cyclictest4906-21apt-get10:30:111
3034199775,23cyclictest24289-21apt-get11:25:121
30336997748,19cyclictest14-21ksoftirqd/007:10:110
3034199767,19cyclictest6644-21apt-get10:35:121
3034199766,20cyclictest10141-21apt-get09:15:121
30341997624,17cyclictest14606-21date07:55:011
30341997621,17cyclictest14774-21cat12:25:351
30341997619,16cyclictest503-21snmpd12:38:521
30336997651,17cyclictest14-21ksoftirqd/008:35:150
2988727633,26sleep00-21swapper/007:07:050
3034199756,23cyclictest2027-21apt-get07:20:121
30341997517,18cyclictest23926-21tail08:20:171
30336997547,18cyclictest14-21ksoftirqd/011:05:130
30336997547,18cyclictest14-21ksoftirqd/007:40:140
3034199746,20cyclictest29579-21apt-get11:40:121
3034199743,33cyclictest457-21dbus-daemon12:09:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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