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2026-09-02 - 05:35
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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 Wed Sep 02, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
419209899305,23cyclictest500-21dbus-daemon20:50:003
419209899285,22cyclictest90869-21sh20:40:003
4192098992825,1cyclictest207697-21cron22:35:003
419209899276,2cyclictest0-21swapper/322:50:123
419209899264,20cyclictest3777322-21systemd-journal20:30:003
419209199262,21cyclictest44544-21apt-get19:55:151
419209199262,21cyclictest218603-21apt-get22:45:141
4192091992620,3cyclictest8908-21apt-get19:20:131
419209199261,21cyclictest239282-21apt-get23:05:111
4192088992623,2cyclictest516-21rs:main0
419209899251,22cyclictest91143-21chrt20:40:123
419209899251,21cyclictest59799-21apt-get20:10:133
419209499251,20cyclictest223648-21apt-get22:50:122
419209199252,20cyclictest259614-21apt-get23:25:111
419209199251,21cyclictest152111-21apt-get21:40:121
419209199251,21cyclictest106376-21apt-get20:55:121
419209199250,5cyclictest270235-21ps23:35:161
4192088992520,3cyclictest24211-21apt-get19:35:120
419208899251,22cyclictest3777322-21systemd-journal20:10:000
419208899251,22cyclictest331268-21apt-get00:35:120
419208899251,22cyclictest208390-21apt-get22:35:120
419209899245,7cyclictest135806-21nvmesmart_nvme021:20:223
419209899243,8cyclictest246688-21cut23:10:183
419209899242,2cyclictest147043-21apt-get21:35:113
4192098992422,1cyclictest8437-21apt-config19:20:013
419209899241,4cyclictest315971-21taskset00:20:123
419209899241,20cyclictest0-21swapper/320:20:133
419209899241,20cyclictest0-21swapper/300:35:133
419209899240,20cyclictest19118-21apt-get19:30:123
419209899240,20cyclictest0-21swapper/322:25:143
419209499249,7cyclictest269474-21munin-run23:35:002
419209499246,10cyclictest284737-21munin-run23:50:012
419209499246,10cyclictest284737-21munin-run23:50:002
4192094992420,2cyclictest75413-21apt-get20:25:132
419209499241,20cyclictest244355-21apt-get23:10:132
419209499240,22cyclictest167351-21chrt21:55:132
419209499240,20cyclictest0-21swapper/221:50:122
4192091992420,2cyclictest39425-21apt-get19:50:121
4192091992419,2cyclictest264689-21apt-get23:30:131
419209199241,21cyclictest84924-21ntpq20:30:231
419209199241,21cyclictest0-21swapper/123:55:121
419209199241,20cyclictest111447-21apt-get21:00:121
419209199240,22cyclictest177194-21idleruntime-cro22:05:001
419209199240,21cyclictest8223-21latency_hist19:20:001
419209199240,21cyclictest0-21swapper/122:05:121
419209199240,21cyclictest0-21swapper/119:10:131
419209199240,21cyclictest0-21swapper/100:05:121
419209199240,20cyclictest0-21swapper/123:10:121
419209199240,20cyclictest0-21swapper/120:20:131
419209199240,19cyclictest0-21swapper/120:05:111
419208899242,2cyclictest321062-21apt-get00:25:120
4192088992420,2cyclictest197800-21apt-get22:25:130
4192088992417,5cyclictest116245-21ls21:05:000
419208899241,21cyclictest0-21swapper/021:15:190
419208899240,4cyclictest69647-21cron20:20:000
419208899240,20cyclictest0-21swapper/019:15:120
419209899236,5cyclictest104655-21grep20:50:183
419209899235,5cyclictest15507-21tr19:25:173
419209899234,7cyclictest255850-21cut23:20:173
419209899233,7cyclictest29559-21grep19:40:133
4192098992319,2cyclictest290559-21apt-get23:55:123
4192098992319,2cyclictest0-21swapper/323:25:123
419209899231,2cyclictest68791-21ntpq20:15:223
419209899230,3cyclictest3136-21ls19:15:003
419209899230,22cyclictest0-21swapper/300:04:283
419209899230,20cyclictest0-21swapper/323:15:013
4192094992320,1cyclictest213483-21apt-get22:40:122
4192094992319,2cyclictest3410-21apt-get19:15:132
419209499231,2cyclictest69917-21apt-get20:20:132
419209499230,20cyclictest0-21swapper/200:20:122
4192091992320,2cyclictest0-21swapper/123:45:131
4192091992320,2cyclictest0-21swapper/123:45:121
4192091992317,4cyclictest213968-21irqcore22:40:151
419209199231,2cyclictest326174-21apt-get00:30:121
419209199231,2cyclictest202895-21apt-get22:30:131
419209199231,2cyclictest131809-21apt-get21:20:121
419209199231,21cyclictest1-21systemd23:25:001
419209199231,20cyclictest0-21swapper/100:15:131
419209199230,20cyclictest284995-21apt-get23:50:121
419209199230,20cyclictest0-21swapper/100:35:121
4192088992319,3cyclictest295637-21apt-get00:00:120
4192088992319,3cyclictest167070-21cron21:55:000
4192088992319,2cyclictest80931-21apt-get20:30:140
419208899231,2cyclictest269738-21apt-get23:35:110
419208899231,2cyclictest229143-21apt-get22:55:110
419208899231,2cyclictest172396-21apt-get22:00:140
419208899231,21cyclictest300731-21apt-get00:05:120
419208899231,21cyclictest141952-21apt-get21:30:120
419208899230,20cyclictest0-21swapper/022:30:130
419209899225,5cyclictest189900-21ps22:15:193
419209899224,5cyclictest177859-21idleruntime22:05:153
419209899223,6cyclictest173176-21cut22:00:173
419209899223,11cyclictest0-21swapper/321:15:013
419209899223,11cyclictest0-21swapper/321:15:003
4192098992219,2cyclictest289719-21apt-get23:53:423
4192098992219,1cyclictest0-21swapper/322:10:143
4192098992219,1cyclictest0-21swapper/320:55:123
4192098992218,2cyclictest0-21swapper/321:55:143
4192098992218,2cyclictest0-21swapper/321:50:123
419209899221,2cyclictest54724-21apt-get20:05:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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