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2026-04-06 - 11:53
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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 Mon Apr 06, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10027602223168,43sleep40-21swapper/419:08:484
10006672223170,18sleep10-21swapper/119:06:371
10007562221167,17sleep60-21swapper/619:07:556
10006642221167,18sleep70-21swapper/719:06:357
10005832214185,18sleep00-21swapper/019:05:240
10006532213185,18sleep50-21swapper/519:06:245
10027672211184,17sleep20-21swapper/219:08:552
10027202209179,19sleep30-21swapper/319:08:163
1003080996161,0cyclictest0-21swapper/522:10:015
1003075995452,1cyclictest1-21systemd22:10:023
1003071994139,1cyclictest0-21swapper/222:10:022
100307599355,2cyclictest0-21swapper/319:55:013
1003085993432,1cyclictest1147808-21fwupd23:35:186
1003071993410,0cyclictest0-21swapper/223:35:202
100307199330,31cyclictest1058013-21turbostat.cron20:50:012
100307199320,31cyclictest1047239-21apt20:30:012
100308799310,30cyclictest1036466-21apt20:10:017
100308099310,30cyclictest1104673-21apt-get22:18:005
100307899310,30cyclictest1104038-21sh22:15:004
1003075993124,4cyclictest1160880-21cups-browsed23:59:593
100306499310,30cyclictest369-21systemd-journal00:30:000
100306499310,29cyclictest681-21dbus-daemon19:55:000
100308799300,29cyclictest0-21swapper/723:27:597
100308799300,29cyclictest0-21swapper/720:33:017
1003085993028,1cyclictest1017717-21apt-get19:38:006
1003085993027,2cyclictest1068817-21awk21:10:016
100308599300,29cyclictest1005831-21grep19:15:016
100308099300,29cyclictest1110067-21apt-get22:28:005
100308099300,29cyclictest1095963-21cron22:00:015
1003078993027,3cyclictest700-21rs:main4
100307899300,29cyclictest0-21swapper/422:28:004
100307599300,29cyclictest1179801-21unin-run00:35:013
100307599300,1cyclictest0-21swapper/322:40:013
1003069993027,2cyclictest369-21systemd-journal23:05:021
100306999300,29cyclictest0-21swapper/123:45:001
1003064993028,1cyclictest0-21swapper/021:30:010
1003087992927,1cyclictest698-21in:imuxsock23:25:027
1003087992927,1cyclictest681-21dbus-daemon23:05:027
1003087992927,1cyclictest1031084-21munin-run20:00:017
100308799290,28cyclictest1011718-21debian-sa119:25:007
100308799290,28cyclictest0-21swapper/720:20:007
100308799290,1cyclictest0-21swapper/700:33:007
100308799290,0cyclictest0-21swapper/721:58:007
1003085992927,1cyclictest1096608-21http22:02:576
100308599290,28cyclictest0-21swapper/623:42:586
100308599290,28cyclictest0-21swapper/623:27:596
100308599290,1cyclictest1169615-21apt-get00:18:036
100308099290,29cyclictest0-21swapper/519:50:015
100308099290,28cyclictest1091211-21apt-get21:53:015
100308099290,28cyclictest1085839-21apt-get21:43:005
100308099290,28cyclictest1085839-21apt-get21:43:005
100308099290,28cyclictest0-21swapper/519:53:005
100308099290,28cyclictest0-21swapper/519:17:595
100308099290,1cyclictest0-21swapper/523:43:005
100308099290,1cyclictest0-21swapper/523:30:025
100308099290,1cyclictest0-21swapper/500:00:005
100307899290,28cyclictest681-21dbus-daemon21:35:014
100307899290,28cyclictest681-21dbus-daemon21:35:014
100307899290,28cyclictest0-21swapper/423:25:024
100307899290,28cyclictest0-21swapper/423:02:584
100307899290,28cyclictest0-21swapper/421:43:004
100307899290,28cyclictest0-21swapper/421:43:004
100307899290,28cyclictest0-21swapper/420:02:584
1003075992928,1cyclictest0-21swapper/321:18:003
1003075992927,1cyclictest1156122-21apt-get23:52:593
1003075992927,1cyclictest1125591-21idleruntime-cro22:55:023
100307599290,28cyclictest1080181-21apt-get21:33:013
100307599290,28cyclictest1080181-21apt-get21:33:013
100307599290,28cyclictest0-21swapper/322:57:593
100307599290,28cyclictest0-21swapper/322:23:003
100307599290,28cyclictest0-21swapper/320:23:013
100307599290,28cyclictest0-21swapper/300:18:023
100307599290,1cyclictest1-21systemd20:15:013
100307599290,1cyclictest1020687-21apt-get19:43:003
100307599290,1cyclictest0-21swapper/323:50:013
1003071992926,2cyclictest0-21swapper/222:30:022
100307199290,28cyclictest0-21swapper/223:48:002
100307199290,28cyclictest0-21swapper/221:33:012
100307199290,28cyclictest0-21swapper/221:33:012
100307199290,1cyclictest278-21plymouthd22:35:022
100306999290,28cyclictest0-21swapper/123:00:021
100306999290,28cyclictest0-21swapper/122:47:591
100306999290,28cyclictest0-21swapper/121:28:011
100306999290,28cyclictest0-21swapper/120:02:591
100306999290,28cyclictest0-21swapper/119:50:001
100306999290,1cyclictest0-21swapper/121:43:001
100306999290,1cyclictest0-21swapper/121:42:591
100306499290,28cyclictest0-21swapper/023:33:000
100306499290,28cyclictest0-21swapper/021:08:020
100306499290,28cyclictest0-21swapper/020:27:590
100306499290,1cyclictest1049931-21turbostat.cron20:35:010
1003087992828,0cyclictest0-21swapper/722:27:597
1003087992828,0cyclictest0-21swapper/721:23:027
1003087992827,1cyclictest16450irq/4-ttyS020:50:007
1003087992827,1cyclictest1063453-21systemd-run21:00:017
1003087992827,1cyclictest0-21swapper/719:43:007
1003087992826,1cyclictest1147404-21debian-sa123:35:027
100308799280,28cyclictest0-21swapper/722:45:027
100308799280,28cyclictest0-21swapper/700:25:017
100308799280,27cyclictest0-21swapper/719:47:597
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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