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2026-03-21 - 03:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 highest latencies:
System rackeslot4.osadl.org (updated Sat Mar 21, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3448252993532,2cyclictest3761184-21sh00:15:002
344824899311,26cyclictest0-21swapper/023:40:120
3448258992923,4cyclictest3777086-21tr00:30:173
3448258992923,4cyclictest3777086-21tr00:30:163
3448248992918,9cyclictest3606615-21cron21:45:000
344824899290,27cyclictest261-21systemd-journal23:00:010
344824899290,27cyclictest0-21swapper/022:00:120
344824899281,25cyclictest0-21swapper/022:25:120
344824899281,24cyclictest3700256-21apt-get23:15:110
344824899280,26cyclictest0-21swapper/022:20:160
344825899272,22cyclictest0-21swapper/322:00:133
344824999271,21cyclictest3479605-21apt-get19:40:111
3448248992719,6cyclictest3615877-21ntpq21:50:240
344824899271,23cyclictest3776597-21apt-get00:30:130
344824899271,23cyclictest3776597-21apt-get00:30:120
344824899271,22cyclictest3715825-21apt-get23:30:120
344824899270,24cyclictest0-21swapper/019:50:120
344824899270,12cyclictest3761349-21sed00:15:010
344825899261,21cyclictest3611946-21apt-get21:50:133
3448248992619,6cyclictest0-21swapper/022:50:130
3448248992619,6cyclictest0-21swapper/020:05:210
3448248992613,11cyclictest0-21swapper/020:35:000
344824899261,21cyclictest3741165-21apt-get23:55:130
344824899260,24cyclictest3581347-21cron21:19:590
344825899253,2cyclictest3674450-21apt-get22:50:133
344825899252,20cyclictest3746246-21apt-get00:00:103
344825899252,1cyclictest3725977-21apt-get23:40:113
3448258992520,3cyclictest3751345-21apt-get00:05:123
3448258992520,3cyclictest0-21swapper/322:25:123
344825899251,20cyclictest3771541-21apt-get00:25:113
3448248992514,10cyclictest3530782-21cron20:30:000
344824899251,3cyclictest3510818-21apt-get20:10:110
344824899251,21cyclictest0-21swapper/021:55:110
344824899251,21cyclictest0-21swapper/000:05:110
344824899251,20cyclictest0-21swapper/021:45:100
344824899250,24cyclictest0-21swapper/000:00:200
344824899250,12cyclictest3673331-21collect222:45:200
344825899242,2cyclictest3542118-21seq20:40:173
3448258992422,1cyclictest0-21swapper/323:00:003
344825899242,20cyclictest3705716-21apt-get23:20:123
3448258992419,3cyclictest0-21swapper/323:15:113
344825899241,1cyclictest0-21swapper/300:10:123
344825899240,21cyclictest3710770-21apt-get23:25:123
344825299241,21cyclictest3586698-21apt-get21:25:112
344825299241,20cyclictest3505768-21apt-get20:05:122
3448249992419,3cyclictest3458963-21apt-get19:20:101
344824999241,2cyclictest3664341-21apt-get22:40:101
344824999241,21cyclictest3536113-21apt-get20:35:131
344824999241,20cyclictest3617384-21apt-get21:55:021
344824999240,22cyclictest3766265-21grep00:19:591
344824999240,21cyclictest3654233-21sed22:30:141
344824999240,20cyclictest0-21swapper/120:10:111
3448248992420,2cyclictest3556324-21apt-get20:55:110
3448248992419,3cyclictest0-21swapper/019:45:110
344824899241,21cyclictest0-21swapper/023:35:130
344824899241,20cyclictest0-21swapper/021:00:120
344824899241,11cyclictest3543094-21tr20:40:180
344824899241,11cyclictest3475035-21ps19:35:160
344824899240,5cyclictest0-21swapper/021:10:110
344824899240,21cyclictest0-21swapper/022:35:120
344824899240,12cyclictest3525341-21chrt20:20:340
3448258992320,2cyclictest3531058-21apt-get20:30:133
3448258992320,1cyclictest3490606-21apt-get19:50:123
344825899231,20cyclictest3566433-21apt-get21:05:113
344825899231,20cyclictest3448806-21apt-get19:10:103
344825899231,20cyclictest3448806-21apt-get19:10:103
344825899231,19cyclictest0-21swapper/322:35:123
344825899230,21cyclictest0-21swapper/323:30:113
344825899230,20cyclictest3731979-21taskset23:45:163
344825899230,20cyclictest3685028-21apt-get23:00:113
344825899230,1cyclictest0-21swapper/321:10:113
344825299232,20cyclictest3485104-21apt-get19:45:122
3448252992319,2cyclictest3633077-21apt-get22:10:112
344825299231,2cyclictest3453885-21apt-get19:15:122
3448249992319,2cyclictest3690126-21apt-get23:05:111
3448249992318,3cyclictest3632823-21idleruntime-cro22:10:011
3448249992318,3cyclictest3525726-21munin-run20:25:001
344824999231,20cyclictest0-21swapper/121:30:141
344824999230,21cyclictest3520632-21cron20:20:011
344824999230,20cyclictest0-21swapper/123:20:121
344824999230,20cyclictest0-21swapper/123:15:111
344824999230,20cyclictest0-21swapper/100:30:131
344824999230,20cyclictest0-21swapper/100:30:121
344824899233,8cyclictest3685358-21gltestperf23:00:130
3448248992319,2cyclictest0-21swapper/022:10:110
3448248992319,2cyclictest0-21swapper/000:25:110
3448248992318,3cyclictest0-21swapper/022:15:110
3448248992318,3cyclictest0-21swapper/020:50:110
3448248992317,5cyclictest0-21swapper/020:45:100
3448248992317,5cyclictest0-21swapper/000:35:110
344824899231,3cyclictest3591496-21munin-run21:30:000
3448248992313,9cyclictest3484418-21turbostat19:45:000
344824899231,2cyclictest0-21swapper/000:15:120
344824899231,21cyclictest0-21swapper/023:45:160
344824899231,10cyclictest3714620-21awk23:25:200
344824899230,5cyclictest0-21swapper/021:35:140
344824899230,20cyclictest0-21swapper/019:55:130
344824899230,12cyclictest3690470-21gltestperf23:05:130
344824899230,12cyclictest3664521-21fschecks_count22:40:130
344824899230,10cyclictest3592235-21ps21:30:140
3448258992219,1cyclictest0-21swapper/320:10:113
3448258992218,2cyclictest0-21swapper/300:35:113
344825899221,20cyclictest3657665-21ntpq22:30:203
344825899221,20cyclictest0-21swapper/319:45:003
344825899220,21cyclictest0-21swapper/321:55:113
344825899220,20cyclictest3490183-21latency_hist19:50:013
344825899220,19cyclictest0-21swapper/321:30:123
344825899220,19cyclictest0-21swapper/300:20:113
344825299222,19cyclictest3622500-21apt-get22:00:122
3448252992219,2cyclictest3669396-21apt-get22:45:112
3448252992219,2cyclictest3638554-21apt-get22:15:112
3448252992219,2cyclictest3469078-21apt-get19:30:112
3448252992219,2cyclictest0-21swapper/223:45:122
344825299221,20cyclictest3617422-21apt-get21:55:112
344825299221,20cyclictest3561379-21apt-get21:00:132
344825299220,19cyclictest0-21swapper/221:50:142
3448249992219,2cyclictest0-21swapper/119:55:121
3448249992218,2cyclictest3658820-21apt-get22:35:121
344824999220,21cyclictest3473869-21latency_hist19:35:001
344824999220,19cyclictest0-21swapper/122:15:111
344824999220,19cyclictest0-21swapper/119:45:121
344824899221,2cyclictest0-21swapper/021:05:120
344824899221,2cyclictest0-21swapper/019:15:120
344824899220,20cyclictest0-21swapper/019:10:100
344824899220,20cyclictest0-21swapper/019:10:100
344824899220,12cyclictest36322771timerwakeupswit22:05:250
344824899220,11cyclictest3706145-21cat23:20:160
344824899220,10cyclictest3473405-21awk19:30:240
344825899213,6cyclictest3522383-21cat20:20:173
344825899212,0cyclictest3596809-21apt-get21:35:133
3448258992119,1cyclictest0-21swapper/320:05:133
3448258992118,1cyclictest3643610-21apt-get22:20:113
3448258992118,1cyclictest0-21swapper/323:35:133
3448258992117,2cyclictest3761451-21apt-get00:15:103
344825899210,2cyclictest0-21swapper/320:00:123
344825899210,19cyclictest0-21swapper/319:15:123
3448252992119,1cyclictest0-21swapper/220:50:112
3448252992118,2cyclictest3739973-21ntpq23:50:202
3448252992118,2cyclictest3627637-21apt-key22:05:012
3448252992117,2cyclictest3495384-21cron19:55:002
344825299211,19cyclictest3525983-21apt-get20:25:112
344825299211,19cyclictest0-21swapper/220:35:122
344825299210,20cyclictest0-21swapper/200:25:112
344825299210,1cyclictest0-21swapper/221:05:112
344825299210,1cyclictest0-21swapper/219:45:012
344825299210,19cyclictest0-21swapper/221:40:112
344825299210,19cyclictest0-21swapper/219:55:122
344825299210,19cyclictest0-21swapper/200:05:122
3448249992119,1cyclictest0-21swapper/121:50:241
3448249992119,1cyclictest0-21swapper/119:10:101
3448249992119,1cyclictest0-21swapper/119:10:101
3448249992117,2cyclictest3756899-21tr00:10:161
3448249992117,2cyclictest3643610-21apt-get22:20:121
3448249992117,2cyclictest3464523-21irqcore19:25:151
3448249992116,3cyclictest3776316-21cron00:30:001
344824999211,1cyclictest0-21swapper/122:00:121
344824999210,1cyclictest0-21swapper/123:00:111
344824999210,18cyclictest0-21swapper/123:55:131
3448248992110,10cyclictest500-21dbus-daemon20:05:000
344824899210,9cyclictest3520780-21cat20:20:010
344824899210,19cyclictest0-21swapper/019:25:120
344824899210,11cyclictest3740165-21ps23:50:220
344825899203,12cyclictest3668555-21expr22:40:223
344825899202,6cyclictest3520865-21cut20:20:013
3448258992018,1cyclictest0-21swapper/321:45:113
3448258992018,1cyclictest0-21swapper/321:25:113
344825899201,7cyclictest3642923-21awk22:15:253
344825899201,7cyclictest3581406-21cat21:20:013
3448258992017,2cyclictest36734472chrt22:45:223
3448258992016,2cyclictest3737084-21kthreadcore23:50:173
3448258992016,2cyclictest0-21swapper/321:00:133
3448258992015,3cyclictest3551247-21apt-get20:50:113
3448258992014,4cyclictest3606612-21cron21:45:003
344825899200,19cyclictest0-21swapper/319:55:163
3448252992016,2cyclictest3576566-21apt-get21:15:122
344825299200,20cyclictest0-21swapper/223:10:092
344825299200,1cyclictest3464530-21ps19:25:152
344825299200,1cyclictest0-21swapper/223:35:212
344825299200,1cyclictest0-21swapper/223:05:112
344825299200,1cyclictest0-21swapper/222:50:132
344825299200,1cyclictest0-21swapper/221:50:002
3448249992018,1cyclictest0-21swapper/100:00:101
3448249992016,2cyclictest3535842-21awk20:35:001
344824999200,1cyclictest0-21swapper/121:00:201
344824999200,1cyclictest0-21swapper/120:40:121
3448248992018,1cyclictest0-21swapper/021:20:120
3448248992016,2cyclictest0-21swapper/000:20:100
344824899200,10cyclictest3696073-21cut23:10:140
344824899200,10cyclictest3461930-21grep19:20:160
3448258991917,1cyclictest0-21swapper/321:20:113
344825899191,6cyclictest3548636-21grep20:45:183
3448258991916,1cyclictest3741667-21irqcore23:55:173
3448258991915,3cyclictest0-21swapper/322:10:113
3448252991917,1cyclictest3571488-21apt-get21:10:112
3448252991917,1cyclictest0-21swapper/223:55:212
3448252991917,1cyclictest0-21swapper/200:00:112
3448252991916,2cyclictest0-21swapper/200:30:132
3448252991916,2cyclictest0-21swapper/200:30:122
344825299190,1cyclictest3546194-21apt-get20:45:122
344825299190,1cyclictest0-21swapper/200:20:192
344825299190,18cyclictest0-21swapper/223:00:022
3448249991914,3cyclictest3610704-21needreboot21:45:171
344824999190,1cyclictest0-21swapper/122:45:101
344825899182,6cyclictest0-21swapper/323:10:213
3448258991816,1cyclictest0-21swapper/319:25:123
3448258991815,1cyclictest0-21swapper/320:55:113
3448258991814,2cyclictest3690126-21apt-get23:05:103
3448252991816,1cyclictest0-21swapper/222:55:122
3448252991816,1cyclictest0-21swapper/222:20:122
3448252991816,1cyclictest0-21swapper/220:30:132
3448252991816,1cyclictest0-21swapper/219:10:102
3448252991816,1cyclictest0-21swapper/219:10:102
3448252991816,1cyclictest0-21swapper/200:15:112
3448249991816,1cyclictest0-21swapper/123:10:101
3448249991816,1cyclictest0-21swapper/120:25:121
3448249991814,2cyclictest3576298-21sh21:14:591
3448249991812,5cyclictest3495405-21idleruntime-cro19:55:001
344824999180,16cyclictest0-21swapper/123:35:171
344824899181,15cyclictest3658543-21cron22:35:000
3448258991715,1cyclictest0-21swapper/320:39:593
3448258991712,3cyclictest3526048-21cpuspeed_turbos20:25:123
344825299178,1cyclictest3658557-21awk22:35:002
3448252991716,0cyclictest0-21swapper/222:40:102
344825299170,8cyclictest391rcuc/220:20:012
344825299170,4cyclictest3597879-21kthreadcore21:35:182
3448249991715,1cyclictest0-21swapper/122:55:121
3448249991715,1cyclictest0-21swapper/121:35:141
3448249991715,1cyclictest0-21swapper/120:59:591
3448249991714,2cyclictest0-21swapper/119:20:001
3448249991714,1cyclictest0-21swapper/120:05:131
344824999171,15cyclictest3479320-21turbostat.cron19:39:551
344824999170,16cyclictest0-21swapper/121:30:001
344825899161,6cyclictest0-21swapper/319:20:113
3448252991614,1cyclictest0-21swapper/223:25:122
3448252991614,1cyclictest0-21swapper/220:00:122
3448249991614,1cyclictest0-21swapper/100:35:111
3448249991614,1cyclictest0-21swapper/100:05:121
3448249991613,2cyclictest3581355-21sh21:19:591
3448249991613,2cyclictest3566920-21sed21:05:161
3448249991613,2cyclictest3500736-21apt-get20:00:121
344825899151,3cyclictest0-21swapper/319:35:173
344825899151,3cyclictest0-21swapper/319:30:163
3448258991511,2cyclictest3628000-21apt-get22:05:123
3448252991514,1cyclictest0-21swapper/223:30:222
3448252991513,1cyclictest0-21swapper/222:35:122
3448252991513,1cyclictest0-21swapper/220:55:112
3448252991512,2cyclictest0-21swapper/223:20:032
3448252991512,1cyclictest3648665-21apt-get22:25:112
344824999159,4cyclictest3715196-21sshd23:25:461
3448249991512,2cyclictest0-21swapper/122:10:111
3448249991511,3cyclictest3648732-21cpuspeed_turbos22:25:121
344824899152,11cyclictest0-21swapper/019:10:000
344825299148,4cyclictest0-21swapper/219:10:012
3448252991411,2cyclictest3786507-21latency_hist00:40:002
3448252991411,2cyclictest3703244-21kthreadcore23:15:172
3448252991411,2cyclictest3458938-21/usr/sbin/munin19:20:232
344825299140,1cyclictest0-21swapper/223:44:552
3448249991412,1cyclictest3581623-21apt-get21:20:111
3448249991412,1cyclictest0-21swapper/122:54:561
3448249991411,2cyclictest3551538-21gltestperf20:50:131
3448249991410,3cyclictest3719672-21cut23:30:181
3448249991410,3cyclictest3546694-21irqcore20:45:151
3448252991311,1cyclictest3591995-21fschecks_time21:30:132
344825299130,8cyclictest509-21systemd-logind20:44:592
344824999139,3cyclictest311ktimers/123:45:111
3448249991310,2cyclictest3737078-21kthreadcore23:50:171
344825899124,5cyclictest3448471-21apt-key19:10:013
3448252991210,1cyclictest0-21swapper/221:20:112
344825299120,4cyclictest3511018-21cut20:10:132
344824999128,2cyclictest3766510-21apt-get00:20:111
344824999127,4cyclictest261-21systemd-journal23:45:001
344825299118,1cyclictest0-21swapper/220:20:162
344824999117,2cyclictest3601859-21apt-get21:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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