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2025-12-20 - 12:22
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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 Dec 20, 2025 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172086994946,2cyclictest217825-21fwupd19:54:013
17208699310,23cyclictest284513-21cron21:00:003
17207999310,22cyclictest197677-21awk19:35:011
172082992926,2cyclictest74-1kworker/2:1H+kblockd19:54:022
17208699281,20cyclictest493419-21cron00:25:003
17208699271,23cyclictest412129-21apt-get23:05:123
17208299271,21cyclictest274658-21apt-get20:50:112
172086992619,4cyclictest407077-21apt-get23:00:123
172086992618,2cyclictest382139-21sort22:35:183
172082992622,1cyclictest356053-21ls22:10:012
17208299261,21cyclictest483544-21apt-get00:15:132
17208299261,21cyclictest203010-21apt-get19:40:112
17208299261,21cyclictest0-21swapper/222:25:132
172086992519,4cyclictest325866-21apt-get21:40:103
172086992518,1cyclictest0-21swapper/321:35:143
172086992518,1cyclictest0-21swapper/320:10:213
17208299251,21cyclictest289865-21apt-get21:05:132
17208299251,21cyclictest0-21swapper/223:20:132
17208299250,5cyclictest421985-21sh23:15:002
17208299250,21cyclictest421994-21apt-get23:15:012
172079992520,3cyclictest386748-21apt-get22:40:131
17207999251,22cyclictest177674-21apt-get19:15:151
17207999250,23cyclictest417667-21irqcore23:10:171
17207499252,21cyclictest468361-21apt-get00:00:120
17207499252,21cyclictest453060-21apt-get23:45:120
172086992417,1cyclictest402025-21apt-get22:55:143
17208699241,20cyclictest289865-21apt-get21:05:143
17208699241,20cyclictest192858-21apt-get19:30:133
172082992420,2cyclictest208031-21apt-get19:45:132
172082992419,3cyclictest311111-21ps21:25:162
17208299241,3cyclictest223031-21cron19:59:592
17208299241,21cyclictest320473-21cron21:35:002
17208299241,20cyclictest341120-21apt-get21:55:112
17208299241,20cyclictest0-21swapper/222:55:142
17208299241,20cyclictest0-21swapper/222:40:142
17208299240,21cyclictest0-21swapper/223:55:112
17208299240,21cyclictest0-21swapper/222:45:112
17207999242,2cyclictest361407-21apt-get22:15:111
17207999241,3cyclictest411850-21cron23:04:591
17207999241,3cyclictest396941-21apt-get22:50:111
17207499243,20cyclictest279753-21apt-get20:55:130
172074992421,1cyclictest503869-21apt-get00:35:120
17207499241,21cyclictest376572-21apt-get22:30:120
172086992319,2cyclictest463206-21apt-get23:55:093
172086992317,1cyclictest0-21swapper/319:20:103
17208699231,20cyclictest432845-21apt-get23:25:133
172082992320,1cyclictest0-21swapper/221:35:142
172082992319,2cyclictest183237-21grep19:20:142
17208299231,2cyclictest0-21swapper/222:50:112
17208299231,2cyclictest0-21swapper/222:35:182
17208299231,2cyclictest0-21swapper/219:10:142
17208299231,21cyclictest223313-21apt-get20:00:132
17208299231,20cyclictest437874-21apt-get23:30:112
17208299231,20cyclictest259360-21apt-get20:35:132
17208299231,20cyclictest0-21swapper/222:10:212
17208299231,20cyclictest0-21swapper/220:30:232
17208299230,20cyclictest0-21swapper/220:05:132
17207999231,2cyclictest310616-21apt-get21:25:121
17207999231,2cyclictest172615-21apt-get19:10:101
17207999231,20cyclictest458134-21apt-get23:50:111
17207999230,21cyclictest0-21swapper/121:10:121
172074992320,2cyclictest1-21systemd00:10:000
17207499230,21cyclictest330702-21cron21:45:010
172086992218,0cyclictest0-21swapper/320:30:143
17208699220,19cyclictest0-21swapper/321:25:123
17208699220,19cyclictest0-21swapper/320:00:133
17208699220,19cyclictest0-21swapper/319:40:113
172082992219,2cyclictest0-21swapper/223:35:122
172082992218,2cyclictest269336-21idleruntime-cro20:44:592
172082992218,2cyclictest0-21swapper/223:25:132
17208299220,2cyclictest0-21swapper/219:35:142
17208299220,21cyclictest489121-21ps00:20:182
17208299220,20cyclictest0-21swapper/200:25:122
17208299220,19cyclictest0-21swapper/221:45:122
172079992218,2cyclictest416060-21ntpq23:05:211
17207999221,2cyclictest0-21swapper/122:20:101
17207999221,20cyclictest514-21in:imuxsock00:05:001
17207999221,20cyclictest320756-21apt-get21:35:131
17207999220,2cyclictest447721-21munin-run23:40:001
17207999220,21cyclictest275159-21tr20:50:151
172074992219,2cyclictest0-21swapper/023:35:120
172074992219,1cyclictest315686-21apt-get21:30:120
172074992218,2cyclictest447983-21apt-get23:40:130
172074992218,2cyclictest447983-21apt-get23:40:130
17207499220,3cyclictest432589-21basename23:24:590
17207499220,21cyclictest406794-21cron23:00:000
17207499220,20cyclictest502855-21/usr/sbin/munin00:30:250
172086992119,1cyclictest0-21swapper/323:20:123
172086992118,2cyclictest422036-21apt-config23:15:003
172086992118,2cyclictest300500-21apt-get21:15:133
172086992118,2cyclictest0-21swapper/319:10:033
172086992118,2cyclictest0-21swapper/300:15:123
172086992118,1cyclictest442928-21apt-get23:35:133
172086992117,2cyclictest391846-21apt-get22:45:123
17208699211,1cyclictest0-21swapper/322:15:163
17208699210,2cyclictest426412-21grep23:15:203
17208699210,2cyclictest208520-21grep19:45:183
17208699210,20cyclictest0-21swapper/300:35:133
17208699210,19cyclictest448485-21tr23:40:183
17208699210,19cyclictest448485-21tr23:40:173
17208299211,1cyclictest0-21swapper/219:25:122
17208299210,2cyclictest0-21swapper/220:15:142
172079992119,1cyclictest0-21swapper/123:40:131
172079992119,1cyclictest0-21swapper/123:40:131
172079992118,2cyclictest301rcuc/119:45:001
172079992118,2cyclictest258661-21idleruntime-cro20:34:591
172079992118,2cyclictest0-21swapper/121:05:141
172079992118,1cyclictest0-21swapper/122:30:121
172079992116,3cyclictest478217-21cron00:10:001
17207999211,19cyclictest336051-21apt-get21:50:131
17207999211,19cyclictest0-21swapper/119:55:131
17207999210,2cyclictest483297-21true00:15:001
17207999210,20cyclictest0-21swapper/121:55:121
172074992119,1cyclictest0-21swapper/021:35:140
172074992119,1cyclictest0-21swapper/019:50:120
172074992119,1cyclictest0-21swapper/019:30:120
172074992118,2cyclictest0-21swapper/023:15:150
172074992118,1cyclictest0-21swapper/020:15:130
17207499211,1cyclictest0-21swapper/020:00:120
17207499210,2cyclictest0-21swapper/021:55:120
17207499210,20cyclictest340849-21sh21:55:010
17207499210,20cyclictest0-21swapper/020:20:140
17207499210,20cyclictest0-21swapper/020:05:140
17207499210,1cyclictest0-21swapper/022:50:110
17207499210,1cyclictest0-21swapper/019:15:130
17207499210,19cyclictest330982-21apt-get21:45:120
172086992018,1cyclictest0-21swapper/322:00:113
17208699200,19cyclictest356333-21chrt22:10:123
17208699200,19cyclictest310338-21idleruntime-cro21:25:013
17208699200,19cyclictest0-21swapper/322:40:133
17208699200,19cyclictest0-21swapper/321:50:133
17208699200,0cyclictest0-21swapper/320:45:123
172082992018,1cyclictest346170-21apt-get22:00:102
172082992018,1cyclictest0-21swapper/223:50:112
172082992018,1cyclictest0-21swapper/223:45:142
172082992018,1cyclictest0-21swapper/220:20:172
17208299200,1cyclictest0-21swapper/221:00:002
172079992018,1cyclictest0-21swapper/122:00:101
172079992018,1cyclictest0-21swapper/120:45:121
172079992018,1cyclictest0-21swapper/120:35:131
172079992018,1cyclictest0-21swapper/120:20:131
172079992017,2cyclictest493700-21apt-get00:25:131
172079992016,3cyclictest0-21swapper/123:15:141
172079992016,2cyclictest371539-21apt-get22:25:131
172079992015,3cyclictest330709-21turbostat.cron21:45:001
17207999200,1cyclictest0-21swapper/123:45:131
17207999200,1cyclictest0-21swapper/123:25:131
17207999200,1cyclictest0-21swapper/120:40:101
17207999200,18cyclictest0-21swapper/121:00:121
172074992018,1cyclictest0-21swapper/022:25:130
172074992018,1cyclictest0-21swapper/022:15:120
172074992017,2cyclictest295385-21apt-get21:10:120
172074992017,2cyclictest264450-21apt-get20:40:090
17207499200,1cyclictest0-21swapper/023:00:130
17207499200,1cyclictest0-21swapper/020:35:140
17207499200,1cyclictest0-21swapper/019:45:120
17207499200,19cyclictest187804-21apt-get19:25:120
17207499200,19cyclictest0-21swapper/023:10:130
17207499200,19cyclictest0-21swapper/021:25:120
17207499200,19cyclictest0-21swapper/020:25:120
17207499200,19cyclictest0-21swapper/000:10:120
172086991917,1cyclictest0-21swapper/319:55:133
172086991916,2cyclictest503581-21basename00:35:003
172086991915,2cyclictest0-21swapper/321:50:013
172086991915,2cyclictest0-21swapper/321:15:003
17208699190,18cyclictest0-21swapper/320:24:593
172082991917,1cyclictest0-21swapper/223:05:162
172082991917,1cyclictest0-21swapper/221:20:122
172082991917,1cyclictest0-21swapper/200:35:122
172082991915,2cyclictest253537-21cron20:29:592
172082991914,2cyclictest269613-21apt-get20:45:132
172079991918,1cyclictest0-21swapper/120:55:141
172079991917,1cyclictest0-21swapper/123:30:131
172079991917,1cyclictest0-21swapper/122:10:141
172079991916,2cyclictest235756-21kthreadcore20:10:171
172079991916,2cyclictest0-21swapper/122:45:121
172079991915,2cyclictest319631-21ntpq21:30:221
17207999190,18cyclictest0-21swapper/123:55:111
172074991918,1cyclictest0-21swapper/000:20:130
172074991917,1cyclictest366456-21apt-get22:20:110
172074991917,1cyclictest253822-21apt-get20:30:120
172074991917,1cyclictest0-21swapper/022:40:140
172074991917,1cyclictest0-21swapper/020:45:110
172074991917,1cyclictest0-21swapper/000:25:140
172074991916,2cyclictest0-21swapper/023:55:110
17207499190,18cyclictest0-21swapper/023:25:140
172086991816,1cyclictest0-21swapper/321:30:133
172082991814,2cyclictest366950-21irqcore22:20:142
172079991816,1cyclictest0-21swapper/120:15:171
172079991816,1cyclictest0-21swapper/100:35:121
172079991814,2cyclictest223801-21grep20:00:161
172079991812,1cyclictest191rcu_preempt21:20:201
172074991816,1cyclictest0-21swapper/020:10:110
172086991715,1cyclictest0-21swapper/323:30:113
172086991715,1cyclictest0-21swapper/321:55:113
172086991714,2cyclictest381393-21idleruntime-cro22:34:593
172082991715,1cyclictest0-21swapper/219:15:142
172082991714,1cyclictest473132-21cron00:05:002
172082991711,3cyclictest0-21swapper/219:10:012
17207999174,1cyclictest3048081unixbench_multi21:15:251
172079991715,1cyclictest1286436-21kworker/1:0+events22:55:141
172079991715,1cyclictest0-21swapper/100:20:141
172079991710,5cyclictest261-21systemd-journal19:50:011
172074991715,1cyclictest0-21swapper/022:35:140
172074991715,1cyclictest0-21swapper/022:00:110
172074991715,1cyclictest0-21swapper/021:20:110
172074991715,1cyclictest0-21swapper/021:15:130
172074991715,1cyclictest0-21swapper/019:40:120
172074991712,4cyclictest458618-21ps23:50:150
172086991614,1cyclictest0-21swapper/320:55:003
172086991614,1cyclictest0-21swapper/319:35:143
172086991614,1cyclictest0-21swapper/319:25:123
172086991614,1cyclictest0-21swapper/300:25:133
17208299169,4cyclictest233519-21apt-get20:10:122
172082991614,1cyclictest0-21swapper/223:00:212
172082991613,2cyclictest498779-21apt-get00:30:152
172082991613,2cyclictest0-21swapper/221:40:102
172079991614,1cyclictest192595-21idleruntime-cro19:30:001
172074991614,1cyclictest0-21swapper/022:45:150
172074991614,1cyclictest0-21swapper/022:10:140
172074991614,1cyclictest0-21swapper/019:10:100
172074991613,2cyclictest61650irq/133-enp0s29f1:rx-021:00:180
172074991612,3cyclictest61650irq/133-enp0s29f1:rx-019:55:260
172074991612,2cyclictest61650irq/133-enp0s29f1:rx-019:35:200
172086991513,1cyclictest0-21swapper/323:45:143
172086991512,2cyclictest228916-21irqcore20:05:173
172086991511,3cyclictest397439-21irqcore22:50:153
172086991511,2cyclictest458261-21cpuspeed_turbos23:50:123
172082991511,3cyclictest380941-21unixbench_singl22:30:252
17208299150,6cyclictest483286-21awk00:15:002
17207999156,2cyclictest191rcu_preempt22:05:191
17207999150,3cyclictest0-21swapper/121:45:171
172074991513,1cyclictest0-21swapper/000:15:100
172074991512,2cyclictest61650irq/133-enp0s29f1:rx-020:53:490
172074991511,3cyclictest61650irq/133-enp0s29f1:rx-021:10:010
172074991511,2cyclictest182749-21apt-get19:20:100
172086991412,1cyclictest478222-21sh00:10:003
172086991411,2cyclictest372031-21cut22:25:163
172086991411,1cyclictest0-21swapper/320:15:213
172086991410,2cyclictest0-21swapper/320:45:003
172086991410,2cyclictest0-21swapper/300:00:163
17208299149,3cyclictest0-21swapper/221:00:162
172082991412,1cyclictest0-21swapper/221:10:122
172082991411,3cyclictest401ktimers/221:15:232
172082991411,2cyclictest0-21swapper/221:50:132
172082991410,2cyclictest361629-21grep22:15:142
17208299140,14cyclictest0-21swapper/200:05:172
172079991412,1cyclictest0-21swapper/119:50:121
172079991411,2cyclictest182869-21cut19:20:101
172079991410,3cyclictest202728-21cron19:40:001
17207499141,3cyclictest415994-21ntpq23:05:200
172074991413,1cyclictest0-21swapper/022:05:110
172074991411,2cyclictest61650irq/133-enp0s29f1:rx-023:30:140
172086991310,2cyclictest0-21swapper/322:10:013
17208699130,2cyclictest253546-21sh20:29:593
17208299139,2cyclictest0-21swapper/223:40:162
17208299139,2cyclictest0-21swapper/223:40:152
17208299139,2cyclictest0-21swapper/219:30:252
17207999135,2cyclictest191rcu_preempt00:20:001
17207999134,2cyclictest191rcu_preempt19:10:001
17207999132,5cyclictest233270-21true20:09:591
17208699129,2cyclictest259662-21gltestperf20:35:153
17208699128,2cyclictest371275-21latency_hist22:25:013
17208699128,2cyclictest0-21swapper/319:15:173
17208699128,2cyclictest0-21swapper/300:15:003
17208699126,4cyclictest261-21systemd-journal21:00:113
17207999129,2cyclictest381648-21apt-get22:35:141
17207999128,3cyclictest0-21swapper/120:25:161
17207999124,7cyclictest301rcuc/100:30:261
172074991210,1cyclictest171908-21latency_hist19:10:010
17207999105,4cyclictest428048-21cut23:20:141
1720869960,4cyclictest172092-21dpkg19:10:003
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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