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2026-05-09 - 19:51
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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 100 highest latencies:
System rack8slot4.osadl.org (updated Sat May 09, 2026 12:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39535722238176,50sleep70-21swapper/707:08:077
39535522218189,19sleep50-21swapper/507:07:495
39536692214185,19sleep10-21swapper/107:09:301
39536892212181,21sleep30-21swapper/307:09:483
39536322209182,18sleep20-21swapper/207:08:582
39534122209180,19sleep40-21swapper/407:05:464
39534612207178,19sleep60-21swapper/607:06:286
39534172204154,41sleep00-21swapper/007:05:500
395393999320,31cyclictest3999595-21apt-get08:30:137
395393799322,29cyclictest3953911-21cyclictest09:55:166
395393799320,31cyclictest4013111-21basename08:55:016
395392499320,31cyclictest4077189-21cron10:50:013
395392099320,4cyclictest1-21systemd12:10:001
395391799320,31cyclictest1-21systemd09:30:010
3953939993127,3cyclictest4133040-21awk12:30:017
395393799310,3cyclictest4133451-21apt-get12:30:146
395393399310,30cyclictest4116260-21cron12:00:025
3953922993126,4cyclictest4021549-21date09:10:012
3953939993027,2cyclictest4052149-21journal-offline10:05:007
3953939993025,4cyclictest3971352-21sd-close07:40:027
395393799300,29cyclictest3996378-21cron08:25:016
3953933993028,1cyclictest0-21swapper/511:20:145
395392899300,29cyclictest4099507-21cron11:30:024
3953922993029,1cyclictest0-21swapper/208:55:012
395392299300,2cyclictest3980105-21apt-get07:55:152
395392299300,29cyclictest4133005-21cron12:30:012
395391799300,29cyclictest0-21swapper/009:35:150
3953939992928,1cyclictest0-21swapper/708:40:147
3953939992925,3cyclictest4002380-21apt-get08:35:167
395393999290,28cyclictest4127397-21latency_hist12:20:007
395393999290,28cyclictest4074863-21apt-get10:45:137
395393999290,28cyclictest4021878-21apt-get09:10:147
395393999290,28cyclictest0-21swapper/712:35:157
395393999290,28cyclictest0-21swapper/712:00:157
395393999290,28cyclictest0-21swapper/708:45:147
3953937992927,1cyclictest0-21swapper/609:00:146
395393799290,28cyclictest4119499-21apt-get12:05:156
395393799290,28cyclictest4041020-21appstreamcli09:45:036
395393799290,28cyclictest0-21swapper/612:25:146
395393799290,28cyclictest0-21swapper/611:50:166
395393799290,28cyclictest0-21swapper/611:20:146
395393799290,28cyclictest0-21swapper/611:15:156
395393799290,28cyclictest0-21swapper/610:10:166
395393799290,28cyclictest0-21swapper/610:10:166
3953933992927,2cyclictest3976891-21sh07:50:025
3953933992927,1cyclictest4058150-21apt-get10:15:155
3953933992927,1cyclictest4058150-21apt-get10:15:155
3953933992927,1cyclictest0-21swapper/510:35:015
395393399290,28cyclictest0-21swapper/512:00:155
395393399290,28cyclictest0-21swapper/511:30:145
395393399290,28cyclictest0-21swapper/508:25:165
395393399290,28cyclictest0-21swapper/507:10:135
395393399290,1cyclictest0-21swapper/509:45:025
395393399290,1cyclictest0-21swapper/507:20:145
3953928992927,1cyclictest290-21plymouthd07:55:024
3953928992927,1cyclictest0-21swapper/411:45:144
395392899290,28cyclictest4107869-21apt-get11:45:024
395392899290,28cyclictest0-21swapper/412:25:144
395392899290,28cyclictest0-21swapper/411:55:144
395392899290,28cyclictest0-21swapper/409:15:014
395392899290,1cyclictest4110679-21apt-get11:50:044
395392899290,1cyclictest0-21swapper/410:10:014
395392499290,28cyclictest0-21swapper/312:05:153
395392499290,28cyclictest0-21swapper/311:00:143
395392499290,28cyclictest0-21swapper/310:40:143
395392499290,28cyclictest0-21swapper/309:35:133
395392499290,28cyclictest0-21swapper/309:30:153
395392499290,28cyclictest0-21swapper/307:30:143
395392499290,1cyclictest0-21swapper/308:30:153
3953922992928,1cyclictest0-21swapper/210:30:012
3953922992927,1cyclictest0-21swapper/209:50:142
395392299290,28cyclictest4069290-21apt-get10:35:142
395392299290,28cyclictest0-21swapper/212:20:112
395392299290,28cyclictest0-21swapper/211:40:142
395392299290,28cyclictest0-21swapper/207:50:152
395392299290,1cyclictest4099950-21apt-get11:30:152
3953920992928,1cyclictest290-21plymouthd11:45:021
395392099290,28cyclictest4122272-21apt-get12:10:131
395392099290,28cyclictest4116720-21apt-get12:00:151
395392099290,28cyclictest0-21swapper/110:45:131
395392099290,28cyclictest0-21swapper/108:35:161
395392099290,28cyclictest0-21swapper/107:30:161
3953917992928,1cyclictest0-21swapper/011:25:140
3953917992928,1cyclictest0-21swapper/009:00:010
395391799290,29cyclictest0-21swapper/010:25:010
395391799290,29cyclictest0-21swapper/007:20:010
395391799290,28cyclictest0-21swapper/012:00:150
395391799290,28cyclictest0-21swapper/011:50:160
395391799290,28cyclictest0-21swapper/011:45:130
395391799290,28cyclictest0-21swapper/010:35:140
395391799290,28cyclictest0-21swapper/008:15:140
395391799290,1cyclictest4024657-21apt-get09:15:150
395391799290,1cyclictest290-21plymouthd09:05:010
3953939992827,1cyclictest4052595-21apt-get10:05:147
3953939992827,1cyclictest0-21swapper/709:10:007
3953939992826,1cyclictest0-21swapper/711:25:027
3953939992826,1cyclictest0-21swapper/710:55:017
395393999280,27cyclictest0-21swapper/707:55:157
395393999280,0cyclictest0-21swapper/709:50:147
395393999280,0cyclictest0-21swapper/709:50:017
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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