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2026-05-08 - 03:28
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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 Fri May 08, 2026 00:44:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31775162233174,19sleep10-21swapper/119:06:481
31777242224165,19sleep20-21swapper/219:09:462
31777102224166,47sleep60-21swapper/619:09:356
31775592224165,48sleep30-21swapper/319:07:233
31774752223165,46sleep50-21swapper/519:06:125
31775602214186,18sleep40-21swapper/419:07:244
31777022209181,18sleep70-21swapper/719:09:287
31776012205176,20sleep00-21swapper/019:08:000
317796499330,31cyclictest3228719-21cron20:40:016
317796099330,28cyclictest0-21swapper/523:30:165
317796099330,28cyclictest0-21swapper/523:30:165
317795299320,31cyclictest3245469-21unin-run21:10:021
317794899320,0cyclictest0-21swapper/023:25:150
3177969993126,4cyclictest964-21in:imuxsock23:35:017
3177969993126,4cyclictest964-21in:imuxsock23:35:017
317796999311,2cyclictest290-21plymouthd22:15:017
317796999311,29cyclictest17850irq/4-ttyS021:50:007
317796999310,30cyclictest3248643-21apt-get21:15:147
317796099310,31cyclictest3200863-21cron19:50:015
317796099310,31cyclictest3200863-21cron19:50:015
3177957993130,1cyclictest1-21systemd23:40:003
3177957993130,1cyclictest1-21systemd23:40:003
317795799311,29cyclictest0-21swapper/323:45:023
3177952993126,4cyclictest3303993-21cron22:55:011
317794899310,1cyclictest0-21swapper/000:40:010
3177969993026,3cyclictest3200868-21apt-get19:50:017
3177969993026,3cyclictest3200868-21apt-get19:50:007
317796999300,29cyclictest3320740-21cron23:25:017
317796999300,29cyclictest3209248-21cron20:05:017
3177964993028,1cyclictest0-21swapper/621:40:166
3177960993027,3cyclictest0-21swapper/523:25:145
3177958993025,4cyclictest3198088-21cron19:45:014
317795899300,29cyclictest3248201-21cron21:15:024
3177957993027,3cyclictest0-21swapper/319:45:013
3177957993025,4cyclictest3295885-21cut22:40:013
317795799300,29cyclictest0-21swapper/319:45:163
317795799300,29cyclictest0-21swapper/319:45:163
3177952993028,1cyclictest0-21swapper/122:10:171
3177948993028,1cyclictest0-21swapper/022:05:150
3177948993027,3cyclictest0-21swapper/023:20:140
3177948993025,4cyclictest3273287-21cron22:00:010
317794899300,29cyclictest3206454-21cron20:00:010
3177969992927,1cyclictest3360976-21apt-get00:35:167
3177969992927,1cyclictest0-21swapper/700:05:037
317796999290,29cyclictest3209691-21apt-get20:05:147
317796999290,28cyclictest3290487-21apt-get22:30:167
317796999290,28cyclictest3245432-21munin-run21:10:027
317796999290,28cyclictest0-21swapper/723:20:007
317796999290,28cyclictest0-21swapper/720:55:017
317796999290,28cyclictest0-21swapper/700:30:147
3177964992928,1cyclictest856-21dbus-daemon23:55:016
3177964992927,2cyclictest3343448-21pool-spawner00:05:046
317796499290,29cyclictest290-21plymouthd19:40:016
317796499290,29cyclictest1-21systemd20:15:016
317796499290,28cyclictest0-21swapper/622:00:146
317796499290,28cyclictest0-21swapper/621:55:046
317796499290,28cyclictest0-21swapper/621:30:156
317796499290,28cyclictest0-21swapper/620:45:026
317796499290,28cyclictest0-21swapper/600:20:176
317796499290,28cyclictest0-21swapper/600:05:006
317796499290,1cyclictest0-21swapper/621:45:156
3177960992926,2cyclictest3281627-21cron22:15:015
317796099290,28cyclictest0-21swapper/522:05:155
317796099290,28cyclictest0-21swapper/522:00:005
317796099290,28cyclictest0-21swapper/520:10:145
3177958992929,0cyclictest3329546-21apt-get23:40:144
317795899290,28cyclictest3276529-21apt-get22:05:144
317795899290,28cyclictest0-21swapper/423:45:154
317795899290,28cyclictest0-21swapper/422:35:154
317795899290,28cyclictest0-21swapper/420:05:144
3177957992928,1cyclictest0-21swapper/320:05:133
3177957992927,2cyclictest3360976-21apt-get00:35:163
3177957992927,1cyclictest1-21systemd21:15:023
3177957992926,2cyclictest3278853-21cron22:10:003
317795799290,28cyclictest0-21swapper/323:15:153
317795799290,28cyclictest0-21swapper/323:10:043
317795799290,28cyclictest0-21swapper/322:10:163
317795799290,28cyclictest0-21swapper/321:25:023
317795799290,28cyclictest0-21swapper/320:15:163
317795799290,1cyclictest3259360-21munin-run21:35:023
317795799290,1cyclictest0-21swapper/322:30:163
317795499290,28cyclictest3312822-21apt-get23:10:162
317795499290,28cyclictest0-21swapper/223:15:142
317795499290,28cyclictest0-21swapper/222:55:142
317795499290,1cyclictest0-21swapper/221:55:012
317795299290,28cyclictest3273749-21apt-get22:00:151
317795299290,28cyclictest0-21swapper/123:30:161
317795299290,28cyclictest0-21swapper/123:30:161
317795299290,28cyclictest0-21swapper/120:45:141
317795299290,28cyclictest0-21swapper/100:30:131
317795299290,28cyclictest0-21swapper/100:05:041
3177948992927,1cyclictest0-21swapper/021:25:020
3177948992927,1cyclictest0-21swapper/020:55:140
3177948992926,2cyclictest0-21swapper/021:55:010
317794899290,28cyclictest3295702-21appstreamcli22:40:030
317794899290,28cyclictest3245863-21apt-get21:10:130
317794899290,28cyclictest0-21swapper/023:40:150
317794899290,28cyclictest0-21swapper/021:15:140
317794899290,28cyclictest0-21swapper/020:15:150
317794899290,28cyclictest0-21swapper/019:35:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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