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2026-06-06 - 17:09
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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 Jun 06, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29404372228166,19sleep20-21swapper/219:08:032
29405602222191,20sleep40-21swapper/419:09:504
29405542211182,19sleep70-21swapper/719:09:457
29404582208177,20sleep50-21swapper/519:08:225
29403802208180,18sleep10-21swapper/119:07:131
29403852206178,18sleep60-21swapper/619:07:186
29404262205173,22sleep00-21swapper/019:07:530
29402902205177,18sleep30-21swapper/319:05:553
294079299340,32cyclictest279850-21systemd-journal21:00:016
2940790993328,4cyclictest279850-21systemd-journal22:15:015
2940786993331,1cyclictest290-21plymouthd20:40:014
294077899330,32cyclictest3024941-21cron21:40:010
294079099320,31cyclictest2977602-21unix_chkpwd20:15:005
2940795993126,4cyclictest3108674-21900:10:017
2940784993128,3cyclictest2991527-21cron20:40:013
2940782993131,0cyclictest0-21swapper/223:30:072
2940779993127,3cyclictest279850-21systemd-journal21:20:001
294079599300,29cyclictest2980383-21cron20:20:017
294079599300,29cyclictest2975262-21apt-get20:10:087
294079599300,29cyclictest2952568-21basename19:30:017
294079299300,2cyclictest3005893-21apt-get21:05:086
294079299300,2cyclictest279850-21systemd-journal20:45:016
2940790993028,1cyclictest279850-21systemd-journal22:30:015
294079099300,3cyclictest2983626-21apt-get20:25:075
294079099300,29cyclictest279850-21systemd-journal23:30:025
294078699300,29cyclictest0-21swapper/423:55:084
2940784993028,1cyclictest3111842-21apt-get00:15:083
294078499300,29cyclictest2966443-21cron19:55:023
294078499300,29cyclictest0-21swapper/320:10:013
294077999300,29cyclictest0-21swapper/122:10:071
294077999300,29cyclictest0-21swapper/100:15:191
2940778993030,0cyclictest0-21swapper/020:45:010
294077899300,2cyclictest3033301-21cron21:55:010
294077899300,2cyclictest3033301-21cron21:55:010
2940795992929,0cyclictest0-21swapper/720:40:017
2940795992928,1cyclictest1-21systemd23:10:027
2940795992927,1cyclictest3022606-21apt-get21:35:077
294079599290,28cyclictest856-21dbus-daemon21:55:017
294079599290,28cyclictest856-21dbus-daemon21:55:017
294079599290,28cyclictest0-21swapper/722:00:047
294079599290,28cyclictest0-21swapper/721:25:087
294079599290,28cyclictest0-21swapper/720:50:087
294079599290,28cyclictest0-21swapper/720:30:077
294079599290,28cyclictest0-21swapper/719:20:077
2940792992927,1cyclictest0-21swapper/623:30:026
2940792992927,1cyclictest0-21swapper/619:40:066
294079299290,28cyclictest0-21swapper/623:30:076
294079299290,28cyclictest0-21swapper/622:50:086
294079299290,28cyclictest0-21swapper/622:20:076
294079299290,28cyclictest0-21swapper/622:00:046
294079299290,28cyclictest0-21swapper/620:45:066
294079299290,28cyclictest0-21swapper/600:35:086
294079299290,1cyclictest3109063-21apt-get00:10:076
294079099290,28cyclictest3100695-21apt-get23:55:075
294079099290,28cyclictest0-21swapper/522:35:085
294079099290,28cyclictest0-21swapper/521:05:075
2940786992928,1cyclictest3028182-21apt-get21:45:074
2940786992927,1cyclictest2991979-21apt-get20:40:084
2940786992927,1cyclictest0-21swapper/400:10:014
294078699290,28cyclictest3014263-21apt-get21:20:094
294078699290,28cyclictest2986402-21apt-get20:30:074
294078699290,28cyclictest0-21swapper/423:04:014
294078699290,28cyclictest0-21swapper/422:55:024
294078699290,28cyclictest0-21swapper/422:31:464
294078699290,28cyclictest0-21swapper/422:00:074
294078699290,28cyclictest0-21swapper/421:55:014
294078699290,28cyclictest0-21swapper/421:55:014
294078699290,28cyclictest0-21swapper/421:40:074
294078699290,28cyclictest0-21swapper/421:30:074
294078699290,28cyclictest0-21swapper/421:15:074
294078699290,28cyclictest0-21swapper/420:10:084
294078699290,28cyclictest0-21swapper/419:15:364
2940784992928,1cyclictest0-21swapper/319:40:073
2940784992927,1cyclictest3003114-21apt-get21:00:073
2940784992924,4cyclictest3002663-21cron21:00:013
294078499290,28cyclictest0-21swapper/322:08:073
294078499290,28cyclictest0-21swapper/321:20:093
294078499290,28cyclictest0-21swapper/319:31:113
294078499290,28cyclictest0-21swapper/300:05:073
294078499290,1cyclictest3044912-21apt-get22:15:083
294078499290,1cyclictest0-21swapper/322:59:443
2940782992928,1cyclictest2966442-21cron19:55:022
2940782992928,1cyclictest0-21swapper/219:32:482
2940782992928,1cyclictest0-21swapper/200:02:382
294078299290,28cyclictest2972452-21apt-get20:05:072
294078299290,28cyclictest0-21swapper/222:30:082
294078299290,28cyclictest0-21swapper/222:20:292
294078299290,28cyclictest0-21swapper/221:15:082
294078299290,28cyclictest0-21swapper/200:35:082
2940779992927,1cyclictest107-21kcompactd019:44:381
294077999290,28cyclictest3036567-21apt-get22:00:071
294077999290,28cyclictest0-21swapper/122:24:151
294077999290,28cyclictest0-21swapper/120:00:091
294077999290,1cyclictest2955315-21cron19:35:011
294077999290,1cyclictest0-21swapper/119:45:071
2940778992928,1cyclictest0-21swapper/023:55:010
294077899290,28cyclictest2941103-21apt-get19:10:070
294077899290,28cyclictest0-21swapper/019:15:080
294077899290,28cyclictest0-21swapper/000:15:080
294077899290,1cyclictest107-21kcompactd023:41:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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