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2026-04-21 - 03:38
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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 Tue Apr 21, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3439929993414,2cyclictest0-21swapper/200:15:012
3439929993320,12cyclictest514-21in:imuxsock21:44:592
343992999320,23cyclictest1-21systemd00:40:002
3439929993118,12cyclictest3767224-21cron00:30:002
343992999301,27cyclictest0-21swapper/222:35:002
343992999301,26cyclictest3665024-21apt-get22:50:112
343992999301,21cyclictest3731198-21apt-get23:55:102
3439929992818,8cyclictest3618312-21awk22:05:012
343992999281,20cyclictest3633779-21apt-get22:20:142
3439929992721,4cyclictest3547769-21apt-get20:55:122
343992999271,23cyclictest0-21swapper/220:20:132
343992999270,20cyclictest3573399-21expr21:20:152
343992599272,22cyclictest3628719-21apt-get22:15:121
3439922992722,3cyclictest3715770-21cron23:40:000
3439922992722,3cyclictest3715770-21cron23:40:000
3439929992620,4cyclictest3506839-21apt-get20:15:122
3439929992619,5cyclictest3603379-21apt-get21:50:122
3439929992615,4cyclictest3486319-21cron19:55:002
3439929992615,3cyclictest3491399-21awk19:59:592
3439932992522,2cyclictest3450034-21sh19:20:013
3439932992519,5cyclictest3705264-21systemd-run23:30:003
3439932992519,5cyclictest3705264-21systemd-run23:30:003
343993299250,4cyclictest3716045-21taskset23:40:123
343992999252,20cyclictest3716042-21apt-get23:40:122
3439929992519,5cyclictest0-21swapper/220:50:412
3439929992519,4cyclictest3757376-21taskset00:20:132
3439925992516,8cyclictest3511650-21sh20:19:591
343992599251,22cyclictest3491651-21apt-get20:00:121
343993299240,4cyclictest3522922-21tr20:30:193
343993299240,22cyclictest3767232-21latency_hist00:30:003
343993299240,21cyclictest3583141-21seq21:30:133
3439929992420,3cyclictest3588169-21apt-get21:35:112
3439929992420,2cyclictest3583138-21apt-get21:30:132
3439929992419,4cyclictest3460114-21cron19:30:002
3439929992419,3cyclictest3612308-21ntpq21:55:202
3439929992418,5cyclictest0-21swapper/219:40:132
3439929992417,6cyclictest3633496-21cron22:20:012
3439929992417,1cyclictest0-21swapper/223:15:182
343992999241,21cyclictest3675108-21apt-get23:00:122
343992999241,20cyclictest3440148-21apt-get19:10:122
343992999240,20cyclictest3532560-21apt-get20:40:122
3439925992420,2cyclictest3562913-21apt-get21:10:111
3439925992418,4cyclictest3450307-21taskset19:20:121
3439922992420,2cyclictest3700431-21apt-get23:25:130
3439922992420,2cyclictest3700431-21apt-get23:25:130
3439922992418,4cyclictest3705933-21apt-get23:30:130
343992299241,21cyclictest3517373-21apt-get20:25:120
3439932992320,2cyclictest514-21in:imuxsock20:05:003
343993299230,21cyclictest3532558-21chrt20:40:103
3439929992319,3cyclictest0-21swapper/222:45:442
3439929992319,2cyclictest0-21swapper/223:10:122
3439929992315,1cyclictest0-21swapper/200:30:112
343992999231,2cyclictest3736283-21apt-get00:00:122
343992999231,2cyclictest3721072-21apt-get23:45:112
343992999231,2cyclictest3639283-21apt-get22:25:142
343992999231,19cyclictest3670054-21apt-get22:55:122
343992999230,18cyclictest0-21swapper/223:20:122
3439925992319,2cyclictest3491368-21cron19:59:591
3439925992318,3cyclictest3593722-21ps21:40:161
343992599231,3cyclictest3613251-21munin-run22:00:011
343992599231,2cyclictest3757373-21apt-get00:20:131
343992599231,2cyclictest3649818-21apt-get22:35:151
343992599231,20cyclictest3772598-21apt-get00:35:121
343992599231,20cyclictest3618589-21apt-get22:05:121
343992599231,20cyclictest0-21swapper/120:45:111
343992599231,19cyclictest3466378-21cut19:35:161
343992599230,21cyclictest3480862-21cron19:50:001
343992299232,20cyclictest3455358-21apt-get19:25:120
3439922992319,3cyclictest3690249-21apt-get23:15:120
3439922992319,2cyclictest3741338-21apt-get00:05:110
343992299231,3cyclictest3522432-21apt-get20:30:140
343992299230,21cyclictest3725851-21awk23:50:000
3439932992219,2cyclictest3506554-21cron20:14:593
3439932992219,2cyclictest3465888-21apt-get19:35:133
3439932992219,1cyclictest0-21swapper/322:10:113
3439932992218,3cyclictest3762173-21idleruntime-cro00:25:013
3439932992218,3cyclictest3640195-21irqstats22:25:173
343993299220,20cyclictest0-21swapper/323:00:123
343993299220,19cyclictest64-21kcompactd020:15:123
3439929992217,1cyclictest0-21swapper/220:04:272
343992999221,19cyclictest0-21swapper/221:10:112
343992999220,3cyclictest3706424-21irqcore23:30:172
343992999220,21cyclictest3542409-21cron20:49:592
3439925992220,1cyclictest0-21swapper/119:30:111
3439925992219,2cyclictest3751828-21apt-get00:15:021
3439925992218,2cyclictest3700916-21ps23:25:181
3439925992218,2cyclictest3700916-21ps23:25:171
3439925992218,2cyclictest3460144-21systemd-run19:30:001
3439925992218,2cyclictest0-21swapper/120:20:171
343992599221,2cyclictest3705235-21apt-get23:30:021
343992599221,19cyclictest0-21swapper/123:05:121
343992599220,2cyclictest3579036-21sed21:25:171
343992599220,20cyclictest3767502-21apt-get00:30:111
343992599220,20cyclictest3730919-21cron23:55:001
3439922992219,2cyclictest0-21swapper/022:10:120
3439922992219,2cyclictest0-21swapper/021:50:120
3439922992218,3cyclictest3639783-21sed22:25:180
343992299221,20cyclictest0-21swapper/020:00:110
343992299221,20cyclictest0-21swapper/000:10:180
343992299221,1cyclictest3557855-21apt-get21:05:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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