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2026-05-18 - 01:39
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Sun May 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
99259992724,2cyclictest0-21swapper/307:40:003
9925599272,21cyclictest287409-21apt-get10:15:112
9924999272,22cyclictest257074-21apt-get09:45:120
9924999271,24cyclictest303047-21apt-get10:30:120
9925999264,18cyclictest0-21swapper/309:55:003
9925999262,2cyclictest186131-21apt-get08:35:123
9925999261,21cyclictest297992-21apt-get10:25:133
9925999260,23cyclictest0-21swapper/311:40:133
9925599261,21cyclictest150097-21apt-get08:00:152
9925599261,21cyclictest150097-21apt-get08:00:152
9925599261,21cyclictest124812-21apt-get07:35:112
9925399260,24cyclictest286431-21/usr/sbin/munin10:10:261
9924999262,2cyclictest344012-21apt-get11:10:150
9924999262,20cyclictest160267-21apt-get08:10:130
9924999261,2cyclictest292915-21apt-get10:20:120
9925999252,20cyclictest338931-21apt-get11:05:143
9925999251,2cyclictest0-21swapper/308:10:133
9925999251,20cyclictest282355-21apt-get10:10:143
9925999250,22cyclictest64-21kcompactd011:33:483
9925999250,22cyclictest246685-21cron09:34:593
9925999250,22cyclictest109625-21apt-get07:20:113
9925999250,22cyclictest0-21swapper/310:30:113
9925599250,23cyclictest139709-21ls07:50:002
99249992520,3cyclictest129873-21apt-get07:40:140
99249992514,9cyclictest180629-21apt-get08:30:110
9924999251,2cyclictest0-21swapper/011:20:120
9924999251,2cyclictest0-21swapper/007:36:120
9924999251,22cyclictest236829-21apt-get09:25:120
9924999251,21cyclictest384190-21cron11:50:000
9924999251,21cyclictest0-21swapper/010:25:130
9924999251,21cyclictest0-21swapper/009:10:120
9925999241,2cyclictest246964-21apt-get09:35:133
9925999241,2cyclictest0-21swapper/311:10:143
9925999241,22cyclictest0-21swapper/309:45:123
9925999241,21cyclictest201412-21apt-get08:50:123
9925999241,20cyclictest165365-21apt-get08:15:113
9925999240,21cyclictest0-21swapper/309:25:113
9925999240,20cyclictest0-21swapper/312:30:113
9925999240,20cyclictest0-21swapper/308:55:133
9925999240,1cyclictest0-21swapper/308:00:153
9925999240,1cyclictest0-21swapper/308:00:153
99255992420,2cyclictest328820-21apt-get10:55:132
9925599241,2cyclictest226741-21apt-get09:15:132
9925599241,20cyclictest414804-21apt-get12:20:132
9925599241,20cyclictest318663-21apt-get10:45:122
9925599241,20cyclictest318663-21apt-get10:45:122
9925599241,20cyclictest119736-21apt-get07:30:112
9925599240,22cyclictest0-21swapper/208:35:112
9925599240,20cyclictest64-21kcompactd010:26:052
9925599240,20cyclictest0-21swapper/211:10:152
9925599240,20cyclictest0-21swapper/209:45:122
9925599240,19cyclictest0-21swapper/207:25:132
9925399241,21cyclictest221383-21cron09:10:001
9925399241,20cyclictest231774-21apt-get09:20:111
9925399240,4cyclictest186634-21tr08:35:151
9925399240,22cyclictest292277-21dpkg10:20:001
9925399240,22cyclictest129876-21taskset07:40:151
9925399240,20cyclictest64-21kcompactd010:00:161
9924999242,2cyclictest0-21swapper/008:35:110
99249992420,2cyclictest241885-21apt-get09:30:110
9924999241,3cyclictest0-21swapper/008:00:150
9924999241,3cyclictest0-21swapper/008:00:150
9924999241,2cyclictest413656-21ntpq12:15:210
9924999241,2cyclictest374341-21apt-get11:40:130
9924999241,22cyclictest419858-21apt-get12:25:120
9924999241,21cyclictest266932-21turbostat09:54:590
9924999240,3cyclictest0-21swapper/010:55:130
9924999240,22cyclictest139703-21cron07:50:000
9924999240,22cyclictest0-21swapper/008:40:120
9924999240,21cyclictest500-21dbus-daemon10:45:010
9924999240,21cyclictest0-21swapper/011:33:480
9925999232,2cyclictest139981-21apt-get07:50:113
99259992319,2cyclictest379396-21apt-get11:45:113
99259992319,2cyclictest0-21swapper/311:25:123
99259992319,2cyclictest0-21swapper/310:55:133
99259992319,1cyclictest145038-21apt-get07:55:113
99259992318,3cyclictest211548-21apt-get09:00:143
9925999231,2cyclictest0-21swapper/312:00:093
9925999230,2cyclictest64-21kcompactd010:49:113
9925999230,2cyclictest64-21kcompactd010:49:113
9925999230,2cyclictest0-21swapper/307:25:133
9925999230,21cyclictest0-21swapper/309:20:113
9925999230,20cyclictest0-21swapper/312:25:123
9925999230,20cyclictest0-21swapper/308:05:123
9925999230,20cyclictest0-21swapper/307:49:063
9925999230,1cyclictest0-21swapper/310:20:123
9925999230,1cyclictest0-21swapper/310:16:563
9925999230,1cyclictest0-21swapper/309:15:133
9925999230,1cyclictest0-21swapper/308:34:153
9925599230,20cyclictest64-21kcompactd007:16:502
9925599230,1cyclictest0-21swapper/211:34:532
99253992320,1cyclictest384476-21apt-get11:50:121
9925399231,19cyclictest394632-21apt-get12:00:121
9925399230,2cyclictest358033-21ntpq11:20:231
9925399230,22cyclictest128704-21taskset07:35:191
9925399230,20cyclictest0-21swapper/110:25:131
9925399230,20cyclictest0-21swapper/107:20:121
99249992320,2cyclictest0-21swapper/009:20:100
99249992319,3cyclictest0-21swapper/007:14:410
99249992319,2cyclictest702-21runrttasks07:20:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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