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2026-05-23 - 12:09
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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 23, 2026 00:44:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16339742248182,19sleep40-21swapper/419:06:094
16340822225163,19sleep20-21swapper/219:07:442
16341122220164,45sleep30-21swapper/319:08:093
16341052215186,19sleep70-21swapper/719:08:057
16341982214184,19sleep60-21swapper/619:09:256
16340942213184,19sleep50-21swapper/519:07:555
16339502210181,19sleep00-21swapper/019:05:490
16341462209180,19sleep10-21swapper/119:08:381
1634461993635,1cyclictest1703009-21lspci21:09:287
1634457993530,4cyclictest1740111-21sqv22:15:015
1634461993328,4cyclictest279850-21systemd-journal21:40:017
163446099330,32cyclictest1714929-21cron21:30:016
163445599330,32cyclictest1745474-21922:22:074
1634451993333,0cyclictest0-21swapper/321:05:103
163446199320,31cyclictest1785218-21cut23:35:027
163444899320,31cyclictest1699539-21apt-get21:05:111
163446099310,3cyclictest1646170-21cron19:30:016
163445599310,30cyclictest1748512-21systemd22:29:444
1634451993129,1cyclictest964-21in:imuxsock20:25:013
163445199310,30cyclictest1657384-21919:50:013
163446099300,29cyclictest0-21swapper/622:45:096
163446099300,29cyclictest0-21swapper/622:45:096
163445799300,29cyclictest0-21swapper/523:25:095
1634455993027,3cyclictest0-21swapper/400:35:104
163445199300,29cyclictest0-21swapper/320:20:023
163445199300,29cyclictest0-21swapper/300:00:123
163445199300,28cyclictest1646235-21kworker/3:2+events20:35:103
163444999300,29cyclictest0-21swapper/220:25:022
163444899300,29cyclictest1677286-21apt-get20:25:111
163444899300,29cyclictest1-21systemd23:30:011
163444599300,29cyclictest290-21plymouthd23:05:010
163444599300,29cyclictest1729100-21cut21:55:010
1634461992928,1cyclictest290-21plymouthd20:30:027
1634461992928,1cyclictest0-21swapper/720:35:027
1634461992927,1cyclictest1712149-21cron21:25:007
163446199290,28cyclictest290-21plymouthd21:20:017
163446199290,28cyclictest0-21swapper/722:25:107
163446199290,28cyclictest0-21swapper/721:45:137
163446199290,28cyclictest0-21swapper/719:20:127
1634460992927,2cyclictest290-21plymouthd22:29:566
1634460992927,1cyclictest1765535-21appstreamcli23:00:016
163446099290,29cyclictest1649402-21apt-get19:35:096
163446099290,28cyclictest1810573-21apt-get00:20:116
163446099290,28cyclictest1641069-21apt-get19:20:116
163446099290,28cyclictest0-21swapper/622:50:386
163446099290,28cyclictest0-21swapper/620:50:116
163446099290,28cyclictest0-21swapper/619:40:126
163446099290,28cyclictest0-21swapper/600:10:106
163446099290,1cyclictest1754750-21apt-get22:40:116
163446099290,1cyclictest1754750-21apt-get22:40:106
163445799290,28cyclictest0-21swapper/519:55:115
163445799290,28cyclictest0-21swapper/500:30:115
163445799290,1cyclictest856-21dbus-daemon21:55:015
1634455992927,2cyclictest0-21swapper/400:25:104
1634455992927,2cyclictest0-21swapper/400:25:024
163445599290,28cyclictest0-21swapper/423:45:114
163445599290,28cyclictest0-21swapper/420:05:124
163445599290,1cyclictest1-21systemd21:05:004
163445599290,1cyclictest0-21swapper/423:12:244
163445599290,0cyclictest0-21swapper/420:10:114
1634451992929,0cyclictest290-21plymouthd21:15:013
1634451992927,1cyclictest0-21swapper/322:50:103
1634451992927,1cyclictest0-21swapper/300:30:093
163445199290,29cyclictest0-21swapper/319:15:013
163445199290,28cyclictest0-21swapper/323:35:093
163445199290,28cyclictest0-21swapper/322:40:113
163445199290,28cyclictest0-21swapper/322:40:113
163445199290,28cyclictest0-21swapper/319:15:113
163445199290,28cyclictest0-21swapper/300:00:023
1634449992929,0cyclictest0-21swapper/221:05:112
1634449992928,0cyclictest0-21swapper/223:50:112
1634449992927,1cyclictest0-21swapper/222:35:112
1634449992927,1cyclictest0-21swapper/221:20:122
1634449992926,2cyclictest0-21swapper/223:45:012
163444999290,28cyclictest1660576-21apt-get19:55:112
163444999290,28cyclictest1657394-21appstreamcli19:50:032
163444999290,28cyclictest0-21swapper/222:55:112
163444999290,28cyclictest0-21swapper/221:00:122
163444999290,28cyclictest0-21swapper/219:20:122
163444999290,28cyclictest0-21swapper/200:00:122
163444999290,1cyclictest0-21swapper/223:30:012
1634448992927,1cyclictest107-21kcompactd019:50:341
163444899290,28cyclictest0-21swapper/121:26:411
163444899290,1cyclictest1754308-21munin-run22:40:001
1634445992928,1cyclictest1715370-21apt-get21:30:120
163444599290,28cyclictest0-21swapper/021:45:130
163444599290,28cyclictest0-21swapper/000:15:110
163444599290,1cyclictest107-21kcompactd021:26:080
1634461992827,1cyclictest290-21plymouthd21:30:007
1634461992827,1cyclictest0-21swapper/719:55:017
163446199280,28cyclictest0-21swapper/721:33:087
1634460992828,0cyclictest0-21swapper/620:15:026
1634460992827,1cyclictest0-21swapper/600:15:116
163446099280,28cyclictest856-21dbus-daemon00:10:026
163446099280,28cyclictest1799031-21900:00:026
163446099280,28cyclictest0-21swapper/623:11:526
163446099280,28cyclictest0-21swapper/623:09:436
163446099280,28cyclictest0-21swapper/621:31:316
163446099280,1cyclictest1690793-21920:50:016
1634457992827,1cyclictest0-21swapper/523:05:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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