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2026-06-03 - 19:49
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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 Wed Jun 03, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34748062237178,19sleep50-21swapper/507:06:215
34748492228170,19sleep10-21swapper/107:06:581
34747722228168,18sleep70-21swapper/707:05:517
34747802212184,18sleep60-21swapper/607:05:586
34750612210148,51sleep40-21swapper/407:09:594
34748242208179,19sleep30-21swapper/307:06:363
34747832206160,20sleep00-21swapper/007:06:000
34749422205178,18sleep20-21swapper/207:08:202
3475271993528,6cyclictest290-21plymouthd07:35:013
347527399330,32cyclictest3504126-21latency_hist08:00:014
347526499330,32cyclictest3523222-21cron08:35:000
347526499330,32cyclictest3520441-21cron08:30:010
3475280993228,1cyclictest17850irq/4-ttyS009:35:007
347527799321,29cyclictest0-21swapper/507:55:005
3475273993227,4cyclictest3579031-21cron10:15:014
3475271993227,4cyclictest3484230-21cron07:25:013
3475264993229,2cyclictest3604088-21cron11:00:000
3475280993127,3cyclictest3609658-21cron11:10:017
347528099310,28cyclictest3568290-21apt-get09:55:097
347527899310,30cyclictest0-21swapper/610:00:016
347527399310,3cyclictest3595732-21cron10:45:014
3475268993128,2cyclictest3500940-21cron07:55:012
3475266993126,4cyclictest3477928-21unix_chkpwd07:15:011
347526499310,30cyclictest3551599-21apt-get09:25:100
3475280993026,3cyclictest290-21plymouthd08:25:017
347528099300,29cyclictest3601299-21cron10:55:017
347527899301,28cyclictest791rcuc/610:05:506
3475277993028,1cyclictest0-21swapper/511:00:015
3475277993028,1cyclictest0-21swapper/507:25:015
347527799300,29cyclictest3659851-21true12:40:025
347527799300,29cyclictest107-21kcompactd007:48:125
3475271993027,3cyclictest3604147-21911:00:013
347527199300,29cyclictest0-21swapper/311:25:013
347527199300,29cyclictest0-21swapper/308:10:013
347527199300,1cyclictest3534818-21apt-get08:55:093
347526899300,29cyclictest0-21swapper/210:35:012
347526899300,28cyclictest0-21swapper/208:55:092
347526699300,29cyclictest290-21plymouthd11:55:011
347526699300,29cyclictest0-21swapper/111:55:091
347526499300,2cyclictest3528874-21true08:45:020
347526499300,29cyclictest3570650-21apt-get10:00:040
3475280992927,1cyclictest3640368-21appstreamcli12:05:027
347528099290,29cyclictest1-21systemd11:15:017
347528099290,29cyclictest0-21swapper/708:40:087
347528099290,28cyclictest0-21swapper/711:15:087
347528099290,28cyclictest0-21swapper/711:15:087
347528099290,28cyclictest0-21swapper/710:55:087
347528099290,28cyclictest0-21swapper/709:45:087
347528099290,1cyclictest0-21swapper/708:20:017
3475278992927,1cyclictest3612426-21cron11:15:016
347527899290,28cyclictest0-21swapper/612:30:086
347527899290,28cyclictest0-21swapper/612:20:016
347527899290,28cyclictest0-21swapper/611:30:086
347527899290,28cyclictest0-21swapper/609:05:096
347527899290,28cyclictest0-21swapper/608:40:546
347527899290,28cyclictest0-21swapper/608:05:096
347527899290,28cyclictest0-21swapper/608:00:016
347527899290,1cyclictest3657447-21apt-get12:35:086
347527899290,1cyclictest0-21swapper/611:05:006
347527899290,1cyclictest0-21swapper/609:00:026
3475277992928,1cyclictest0-21swapper/511:29:425
3475277992927,1cyclictest36156752sleep511:20:085
3475277992927,1cyclictest0-21swapper/510:00:015
347527799290,28cyclictest0-21swapper/509:00:095
347527799290,1cyclictest0-21swapper/511:40:075
3475273992924,4cyclictest3509301-21apt08:10:014
347527399290,28cyclictest107-21kcompactd012:32:044
347527399290,28cyclictest0-21swapper/408:55:084
347527399290,28cyclictest0-21swapper/407:20:014
3475271992928,1cyclictest0-21swapper/312:30:023
3475271992927,1cyclictest3539973-21munin-run09:05:023
3475271992927,1cyclictest0-21swapper/310:15:083
347527199290,28cyclictest3618452-21apt-get11:25:103
347527199290,28cyclictest3493041-21apt-get07:40:103
347527199290,28cyclictest3493041-21apt-get07:40:103
347527199290,28cyclictest0-21swapper/311:00:103
347527199290,28cyclictest0-21swapper/310:30:083
347527199290,28cyclictest0-21swapper/310:25:093
347527199290,28cyclictest0-21swapper/308:45:123
347527199290,28cyclictest0-21swapper/308:40:083
347527199290,0cyclictest0-21swapper/311:40:083
3475268992929,0cyclictest0-21swapper/211:25:012
3475268992928,1cyclictest3504174-21apt-get08:00:082
3475268992927,1cyclictest3585047-21apt-get10:25:092
347526899290,28cyclictest3548816-21apt-get09:20:072
347526899290,28cyclictest3506953-21apt-get08:05:092
347526899290,28cyclictest0-21swapper/211:35:072
347526899290,28cyclictest0-21swapper/210:20:082
347526899290,28cyclictest0-21swapper/210:05:082
347526899290,28cyclictest0-21swapper/209:50:072
347526899290,1cyclictest3657447-21apt-get12:35:082
3475266992927,1cyclictest0-21swapper/108:35:091
347526699290,28cyclictest0-21swapper/111:10:101
347526699290,28cyclictest0-21swapper/110:30:081
347526699290,28cyclictest0-21swapper/109:55:091
347526699290,28cyclictest0-21swapper/109:41:391
347526699290,28cyclictest0-21swapper/109:35:081
347526699290,28cyclictest0-21swapper/108:50:101
347526699290,28cyclictest0-21swapper/108:45:091
347526699290,28cyclictest0-21swapper/107:30:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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