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2026-05-21 - 01:14
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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 May 20, 2026 12:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22078472222158,19sleep50-21swapper/507:05:025
22104462218190,18sleep10-21swapper/107:08:281
22103152214186,19sleep30-21swapper/307:06:373
22103832212182,20sleep60-21swapper/607:07:376
22103752212183,19sleep70-21swapper/707:07:307
22103772206176,20sleep00-21swapper/007:07:310
22104002205176,19sleep20-21swapper/207:07:482
22105182202174,18sleep40-21swapper/407:09:204
23092232440,0sleep30-21swapper/310:05:003
221078599340,32cyclictest2250362-21cron08:20:016
221078699330,29cyclictest2292719-21apt09:35:137
221078299330,32cyclictest2320372-21cut10:25:015
2210785993130,1cyclictest1-21systemd10:35:016
221078599310,30cyclictest2253157-21cron08:25:016
221078099310,30cyclictest2334565-21apt-get10:50:124
221077699311,1cyclictest2395592-21cron12:40:023
221077699310,31cyclictest2323428-21apt-get10:30:113
221077499310,30cyclictest2345490-21latency_hist11:10:012
221077199310,30cyclictest2373675-21http12:00:131
2210786993026,3cyclictest2342949-21apt-get11:05:137
2210785993027,2cyclictest279850-21systemd-journal12:15:006
2210785993026,3cyclictest1-21systemd11:45:016
221078599300,29cyclictest2264329-21cron08:45:016
221078599300,1cyclictest211rcu_preempt09:20:106
221078099300,29cyclictest2320245-21packagekitd10:25:014
2210776993028,1cyclictest290-21plymouthd10:25:013
221077699300,29cyclictest2376017-21apt-get12:05:013
221077499300,29cyclictest2387633-21apt-get12:25:132
221077499300,29cyclictest2256099-21latency_hist08:30:022
221077199300,30cyclictest2392783-21cron12:35:021
221077199300,30cyclictest107-21kcompactd012:35:591
221077199300,29cyclictest1-21systemd08:35:021
221076999300,29cyclictest2390446-21apt-get12:30:110
221076999300,29cyclictest0-21swapper/009:05:130
2210786992927,2cyclictest2300686-21909:50:017
2210786992927,2cyclictest0-21swapper/709:50:127
2210786992927,1cyclictest2370873-21apt-get11:55:127
221078699290,28cyclictest2331785-21apt-get10:45:117
221078699290,28cyclictest0-21swapper/708:10:127
2210785992927,1cyclictest0-21swapper/609:55:126
2210785992927,1cyclictest0-21swapper/607:40:126
2210785992927,1cyclictest0-21swapper/607:40:116
2210785992926,2cyclictest2322979-21cron10:30:016
221078599290,28cyclictest0-21swapper/612:20:016
221078599290,28cyclictest0-21swapper/611:00:136
221078599290,28cyclictest0-21swapper/610:40:116
221078599290,28cyclictest0-21swapper/609:55:016
221078599290,1cyclictest0-21swapper/612:10:016
2210782992927,1cyclictest2309470-21apt-get10:05:105
2210782992927,1cyclictest0-21swapper/509:50:005
221078299290,28cyclictest2270371-21apt-get08:55:125
221078299290,28cyclictest0-21swapper/512:15:105
221078299290,28cyclictest0-21swapper/512:00:125
221078299290,28cyclictest0-21swapper/511:10:045
221078299290,28cyclictest0-21swapper/507:50:135
221078299290,1cyclictest2376484-21apt-get12:05:125
221078099290,29cyclictest2390010-21apt-get12:30:024
221078099290,28cyclictest2368082-21apt-get11:50:104
221078099290,28cyclictest0-21swapper/411:55:124
221078099290,28cyclictest0-21swapper/409:40:124
221078099290,28cyclictest0-21swapper/407:20:114
2210776992928,1cyclictest0-21swapper/309:25:023
2210776992928,1cyclictest0-21swapper/308:25:133
221077699290,29cyclictest0-21swapper/312:35:013
221077699290,28cyclictest0-21swapper/311:55:003
221077699290,28cyclictest0-21swapper/309:10:113
221077699290,1cyclictest2250819-21apt-get08:20:113
2210774992927,1cyclictest0-21swapper/212:05:112
221077499290,28cyclictest290-21plymouthd09:20:022
221077499290,28cyclictest0-21swapper/212:20:102
221077499290,28cyclictest0-21swapper/211:10:042
221077499290,28cyclictest0-21swapper/211:00:042
221077499290,28cyclictest0-21swapper/208:41:522
2210771992928,1cyclictest2365306-21apt-get11:45:111
221077199290,28cyclictest0-21swapper/111:00:141
221077199290,28cyclictest0-21swapper/110:45:011
221077199290,28cyclictest0-21swapper/110:40:011
221077199290,28cyclictest0-21swapper/110:20:131
221077199290,28cyclictest0-21swapper/108:00:111
221077199290,1cyclictest2216955-21munin-run07:20:011
221077199290,1cyclictest0-21swapper/110:45:111
2210769992928,1cyclictest290-21plymouthd12:20:020
2210769992927,1cyclictest0-21swapper/011:30:000
221076999290,29cyclictest2281136-21cron09:15:020
221076999290,29cyclictest0-21swapper/011:25:010
221076999290,29cyclictest0-21swapper/011:25:000
221076999290,28cyclictest2356953-21apt-get11:30:130
221076999290,28cyclictest0-21swapper/009:00:020
221076999290,1cyclictest2393255-21apt-get12:35:120
2210786992827,1cyclictest0-21swapper/710:35:107
2210786992827,1cyclictest0-21swapper/707:30:017
2210786992827,0cyclictest0-21swapper/712:05:027
2210786992826,1cyclictest2256018-21appstreamcli08:30:047
2210786992826,1cyclictest0-21swapper/710:25:017
221078699280,28cyclictest0-21swapper/708:00:017
221078699280,28cyclictest0-21swapper/707:10:137
221078699280,27cyclictest0-21swapper/708:40:137
221078699280,1cyclictest2225733-21apt-get07:35:117
221078699280,1cyclictest2225733-21apt-get07:35:117
2210785992828,0cyclictest0-21swapper/607:35:116
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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