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2026-03-22 - 15:18
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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 Sun Mar 22, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12946582226170,19sleep50-21swapper/507:06:105
12946172226169,18sleep20-21swapper/207:05:352
12968572225191,22sleep10-21swapper/107:09:521
12968482218189,18sleep30-21swapper/307:09:463
12968302214184,19sleep40-21swapper/407:09:314
12946782211177,22sleep70-21swapper/707:06:277
12946302210181,18sleep60-21swapper/607:05:466
12946442207180,17sleep00-21swapper/007:05:570
129710199350,30cyclictest1-21systemd08:45:015
129710199330,28cyclictest0-21swapper/510:13:015
1297104993231,1cyclictest1349104-21sh08:45:016
129710199310,28cyclictest0-21swapper/507:58:035
1297098993126,4cyclictest0-21swapper/407:58:034
129709899310,30cyclictest0-21swapper/411:38:024
129709899310,0cyclictest0-21swapper/409:53:014
1297095993128,2cyclictest1330254-21apt08:10:023
129709599310,29cyclictest1468712-21systemd-run12:25:023
129709599310,1cyclictest0-21swapper/307:45:013
1297093993127,3cyclictest1384386-21idleruntime-cro09:50:001
129708799310,30cyclictest1352058-21sh08:50:000
1297106993028,1cyclictest0-21swapper/712:05:017
1297106993028,1cyclictest0-21swapper/708:10:027
1297106993027,2cyclictest0-21swapper/708:55:017
129710699300,29cyclictest0-21swapper/711:28:017
129710699300,1cyclictest0-21swapper/707:45:027
1297104993027,2cyclictest1433389-21idleruntime-cro11:20:016
129710499300,29cyclictest0-21swapper/610:08:016
129710199300,29cyclictest1419707-21systemctl10:55:015
1297098993027,3cyclictest0-21swapper/407:30:024
1297098993026,3cyclictest0-21swapper/408:45:014
1297095993027,2cyclictest1403242-21apt10:25:013
129709599300,29cyclictest0-21swapper/311:28:013
129709599300,1cyclictest0-21swapper/308:20:023
1297093993028,1cyclictest1466615-21apt-get12:23:021
129708799300,29cyclictest1330285-21awk08:10:020
1297106992927,1cyclictest1403241-21idleruntime-cro10:25:017
1297106992926,2cyclictest1-21systemd10:40:007
129710699290,28cyclictest0-21swapper/710:58:017
129710699290,1cyclictest0-21swapper/712:25:017
129710699290,1cyclictest0-21swapper/710:30:017
129710699290,1cyclictest0-21swapper/708:20:027
129710699290,0cyclictest0-21swapper/708:23:027
129710499290,28cyclictest0-21swapper/612:08:016
129710499290,28cyclictest0-21swapper/609:03:026
129710499290,28cyclictest0-21swapper/607:53:056
129710499290,1cyclictest1471994-21apt-get12:33:026
129710499290,1cyclictest0-21swapper/609:15:016
1297101992927,1cyclictest1344343-21apt-get08:38:025
1297101992927,1cyclictest0-21swapper/509:30:005
129710199290,28cyclictest1306367-21apt-get07:28:015
129710199290,1cyclictest1401180-21apt-get10:23:015
1297098992928,1cyclictest0-21swapper/412:00:024
1297098992927,2cyclictest0-21swapper/412:38:014
1297098992927,2cyclictest0-21swapper/411:10:014
1297098992927,2cyclictest0-21swapper/411:10:014
1297098992926,3cyclictest0-21swapper/408:48:014
129709899290,28cyclictest1434036-21apt-get11:23:014
1297095992927,2cyclictest1-21systemd12:05:023
1297095992927,1cyclictest0-21swapper/308:55:013
129709599290,28cyclictest0-21swapper/310:58:023
1297094992928,1cyclictest0-21swapper/209:55:012
129709499290,29cyclictest1455018-21apt-config12:00:012
129709499290,28cyclictest1420292-21apt-get10:58:032
129709499290,28cyclictest0-21swapper/209:43:012
129709499290,1cyclictest0-21swapper/211:48:022
129709499290,1cyclictest0-21swapper/209:35:012
129709399290,28cyclictest0-21swapper/110:33:011
129709399290,28cyclictest0-21swapper/110:08:001
129709399290,28cyclictest0-21swapper/109:18:021
129709399290,28cyclictest0-21swapper/108:53:041
129709399290,28cyclictest0-21swapper/108:43:031
129709399290,1cyclictest1336279-21apt-get08:23:021
129708799290,28cyclictest1368857-21apt-get09:23:020
129708799290,28cyclictest0-21swapper/011:28:020
129708799290,28cyclictest0-21swapper/008:55:010
129708799290,1cyclictest1465979-21munin-run12:20:020
1297106992827,1cyclictest0-21swapper/711:50:027
1297106992827,1cyclictest0-21swapper/709:33:007
1297104992826,1cyclictest1463908-21apt-get12:18:036
1297104992826,1cyclictest1303031-21cron07:20:026
129710499280,28cyclictest0-21swapper/610:30:016
129710499280,28cyclictest0-21swapper/609:25:006
129710499280,28cyclictest0-21swapper/607:15:026
129710499280,27cyclictest0-21swapper/611:08:016
129710499280,27cyclictest0-21swapper/611:08:016
129710499280,27cyclictest0-21swapper/607:48:036
1297101992826,2cyclictest0-21swapper/511:38:025
1297101992825,2cyclictest1454934-21latency_hist12:00:025
129710199280,0cyclictest0-21swapper/508:33:025
129709899280,27cyclictest0-21swapper/412:03:014
1297095992827,1cyclictest0-21swapper/311:50:013
1297095992827,1cyclictest0-21swapper/310:18:023
1297095992827,1cyclictest0-21swapper/309:38:013
1297095992827,1cyclictest0-21swapper/309:32:593
1297095992826,1cyclictest0-21swapper/310:40:013
129709599280,0cyclictest0-21swapper/310:13:023
129709599280,0cyclictest0-21swapper/308:23:033
1297094992827,1cyclictest0-21swapper/210:38:022
1297094992827,1cyclictest0-21swapper/210:10:012
1297094992822,3cyclictest1325231-21cat08:00:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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