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2026-04-20 - 08:26
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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 Mon Apr 20, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
33900899272,21cyclictest466828-21apt-get21:15:113
339008992620,3cyclictest406194-21apt-get20:15:133
33900899261,23cyclictest261-21systemd-journal22:50:003
33900499261,23cyclictest522192-21cron22:10:012
338998992623,2cyclictest514-21in:imuxsock19:44:590
339008992519,4cyclictest349351-21latency_hist19:20:013
33900899251,21cyclictest456732-21apt-get21:05:133
33900499251,22cyclictest614828-21apt-get23:40:122
339000992515,2cyclictest421098-21idleruntime-cro20:29:591
33900099251,21cyclictest426409-21apt-get20:35:141
33899899250,1cyclictest0-21swapper/019:25:130
339008992420,2cyclictest476916-21apt-get21:25:143
33900899241,21cyclictest671919-21ps00:35:193
33900899241,20cyclictest0-21swapper/323:50:113
33900899241,20cyclictest0-21swapper/321:40:123
33900899240,20cyclictest497224-21apt-get21:45:113
339004992419,4cyclictest451404-21sh21:00:002
339004992419,4cyclictest451404-21sh20:59:592
33900499241,20cyclictest481970-21apt-get21:30:122
33900499241,20cyclictest339209-21apt-get19:10:112
33900499241,20cyclictest0-21swapper/221:50:132
33900499240,20cyclictest0-21swapper/223:20:122
33900499240,20cyclictest0-21swapper/221:05:132
33900099242,2cyclictest558367-21apt-get22:45:121
339000992420,2cyclictest563468-21apt-get22:50:121
339000992420,2cyclictest354823-21apt-get19:25:131
33900099241,20cyclictest624935-21apt-get23:50:121
33900099241,20cyclictest502278-21apt-get21:50:121
33900099241,20cyclictest471885-21apt-get21:20:131
33900099241,20cyclictest0-21swapper/121:00:141
33900099241,20cyclictest0-21swapper/121:00:131
33900099240,4cyclictest481693-21sh21:30:011
33899899241,21cyclictest665871-21apt-get00:30:140
33899899241,21cyclictest365375-21apt-get19:35:100
33899899241,20cyclictest461809-21apt-get21:10:130
33899899240,4cyclictest528436-21tr22:15:170
33899899240,22cyclictest0-21swapper/022:05:110
33899899240,22cyclictest0-21swapper/021:50:120
339008992319,2cyclictest533030-21apt-get22:20:143
339008992319,2cyclictest365018-21sort19:35:013
339008992319,2cyclictest0-21swapper/323:45:123
339008992319,2cyclictest0-21swapper/300:15:133
339008992318,3cyclictest569011-21sort22:55:173
33900899231,2cyclictest0-21swapper/321:20:233
33900899231,20cyclictest0-21swapper/320:50:123
33900899231,19cyclictest0-21swapper/300:10:123
33900899231,19cyclictest0-21swapper/300:10:123
33900899230,20cyclictest0-21swapper/320:25:123
339004992320,1cyclictest538059-21apt-get22:25:132
339004992319,2cyclictest660816-21apt-get00:25:152
339004992317,2cyclictest0-21swapper/222:10:132
33900499231,1cyclictest0-21swapper/221:15:112
33900499230,2cyclictest0-21swapper/220:10:122
33900499230,21cyclictest665874-21chrt00:30:142
33900499230,21cyclictest0-21swapper/221:50:002
33900499230,20cyclictest0-21swapper/221:03:402
33900499230,20cyclictest0-21swapper/221:03:392
33900499230,20cyclictest0-21swapper/220:45:132
33900499230,20cyclictest0-21swapper/220:25:122
33900499230,20cyclictest0-21swapper/200:35:142
33900499230,1cyclictest0-21swapper/221:20:522
33900499230,1cyclictest0-21swapper/220:40:112
33900499230,19cyclictest0-21swapper/223:50:122
339000992319,2cyclictest584104-21apt-get23:10:131
339000992319,2cyclictest0-21swapper/120:20:131
339000992318,3cyclictest389513-21seq19:55:231
339000992318,2cyclictest671900-21sed00:35:191
339000992318,2cyclictest522467-21apt-get22:10:121
33900099231,2cyclictest492170-21apt-get21:40:131
33900099231,20cyclictest0-21swapper/122:30:131
33900099230,20cyclictest0-21swapper/123:55:121
33900099230,20cyclictest0-21swapper/123:45:121
33900099230,19cyclictest0-21swapper/121:05:131
338998992320,2cyclictest645602-21apt-get00:10:120
338998992320,2cyclictest645602-21apt-get00:10:120
338998992320,1cyclictest640528-21apt-get00:05:130
338998992319,2cyclictest359899-21apt-get19:30:130
33899899231,21cyclictest635474-21apt-get00:00:140
33899899230,2cyclictest0-21swapper/023:48:100
33899899230,22cyclictest0-21swapper/021:05:120
33899899230,20cyclictest0-21swapper/023:40:120
33899899230,20cyclictest0-21swapper/021:40:130
33899899230,20cyclictest0-21swapper/020:15:140
33899899230,20cyclictest0-21swapper/019:17:130
33899899230,20cyclictest0-21swapper/000:15:350
33899899230,1cyclictest0-21swapper/022:30:140
339008992219,2cyclictest0-21swapper/320:45:553
339008992219,2cyclictest0-21swapper/320:10:123
339008992219,2cyclictest0-21swapper/319:35:113
339008992217,2cyclictest629988-21apt-get23:55:123
33900899221,20cyclictest0-21swapper/300:31:423
33900899220,2cyclictest446831-21fschecks_count20:55:163
33900899220,2cyclictest446831-21fschecks_count20:55:153
33900899220,21cyclictest64-21kcompactd023:41:103
33900899220,20cyclictest0-21swapper/323:25:123
33900899220,19cyclictest0-21swapper/320:05:123
33900899220,19cyclictest0-21swapper/319:20:113
33900899220,19cyclictest0-21swapper/300:05:113
33900499222,1cyclictest375470-21apt-get19:45:122
339004992219,2cyclictest0-21swapper/222:40:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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