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2026-05-09 - 20:11
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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 Sat May 09, 2026 12:45:01)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2487321080,8chrt0-21swapper/109:10:161
13482210527,65sleep10-21swapper/107:08:511
1345629614,71sleep00-21swapper/007:08:340
13768998812,63cyclictest0-21swapper/010:30:110
13768998710,60cyclictest0-21swapper/007:40:040
1376899857,67cyclictest32073-21apt-get08:00:140
1376899856,63cyclictest10460-21apt-get08:30:150
1377599847,67cyclictest0-21swapper/108:30:151
13768998411,58cyclictest0-21swapper/011:10:120
13768998411,58cyclictest0-21swapper/010:40:130
13768998410,62cyclictest0-21swapper/007:55:130
1377599836,65cyclictest0-21swapper/108:35:161
1376899833,73cyclictest6504-21basename09:50:160
13768998313,55cyclictest0-21swapper/010:55:110
13768998311,62cyclictest0-21swapper/012:00:130
13768998311,59cyclictest0-21swapper/009:55:130
13768998311,59cyclictest0-21swapper/008:45:110
13768998311,58cyclictest0-21swapper/008:50:220
13768998311,56cyclictest0-21swapper/007:10:130
1377599827,64cyclictest0-21swapper/108:40:121
1376899823,11cyclictest26572-21apt-get09:15:160
13768998217,58cyclictest32387-21apt-key12:35:020
13768998214,58cyclictest0-21swapper/008:05:150
13768998212,60cyclictest0-21swapper/010:10:160
13768998212,56cyclictest0-21swapper/008:20:240
13768998212,56cyclictest0-21swapper/008:20:240
13768998212,54cyclictest0-21swapper/011:55:130
13768998211,58cyclictest0-21swapper/010:50:110
13768998211,57cyclictest0-21swapper/011:00:230
13768998210,61cyclictest0-21swapper/009:25:110
1377599817,59cyclictest20732-21apt-get10:30:111
1377599816,66cyclictest2944-21apt-get09:40:141
1377599816,60cyclictest0-21swapper/111:35:121
1377599815,66cyclictest14942-21apt-get11:45:111
1376899819,65cyclictest503-21snmpd09:35:130
1376899817,58cyclictest9649-21apt-get11:30:150
1376899814,70cyclictest24668-21diskmemload09:10:190
13768998112,56cyclictest0-21swapper/008:35:150
13768998111,58cyclictest0-21swapper/011:40:110
13768998110,58cyclictest0-21swapper/007:50:130
13768998110,57cyclictest0-21swapper/007:45:130
1377599806,58cyclictest20185-21apt-get12:00:131
1377599805,63cyclictest15758-21apt-get08:45:111
13775998029,46cyclictest15312-21cron10:15:001
13768998012,55cyclictest0-21swapper/012:20:090
13768998011,59cyclictest0-21swapper/011:35:110
13768998010,58cyclictest0-21swapper/009:20:140
13768998010,56cyclictest0-21swapper/012:10:130
13768998010,56cyclictest0-21swapper/012:10:120
1377599798,61cyclictest0-21swapper/112:25:121
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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