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2026-03-28 - 10:49
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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 28, 2026 00:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8340993210,20cyclictest0-21swapper/119:30:211
8346993127,2cyclictest261-21systemd-journal22:30:003
8346992918,2cyclictest191rcu_preempt23:10:173
8342992926,2cyclictest0-21swapper/223:00:162
8342992821,5cyclictest197470-21seq22:15:102
834699261,23cyclictest289385-21cut23:45:163
834699252,3cyclictest340049-21apt-get00:35:123
834699251,3cyclictest0-21swapper/300:05:133
834699251,2cyclictest222857-21apt-get22:40:093
834699251,21cyclictest283824-21apt-get23:40:113
8342992521,2cyclictest105186-21apt-get20:45:142
8342992515,8cyclictest0-21swapper/219:15:262
834299251,21cyclictest115289-21apt-get20:55:122
834299251,20cyclictest288895-21apt-get23:45:122
834099252,3cyclictest140515-21apt-get21:20:101
8340992520,2cyclictest334976-21apt-get00:30:121
834099251,21cyclictest156147-21apt-get21:35:121
834099251,21cyclictest0-21swapper/123:20:121
834099250,21cyclictest64-21kcompactd019:20:071
8336992522,2cyclictest61650irq/133-enp0s29f1:rx-023:10:130
8346992420,3cyclictest0-21swapper/320:50:013
8346992419,3cyclictest181907-21apt-get22:00:123
834699241,22cyclictest273342-21cron23:30:003
834699241,21cyclictest481rcuc/323:00:213
834699241,21cyclictest0-21swapper/323:35:123
834299242,2cyclictest8560-21apt-get19:10:122
834299242,2cyclictest217745-21apt-get22:35:112
834299242,2cyclictest212635-21apt-get22:30:122
8342992420,2cyclictest304121-21apt-get00:00:122
8342992420,2cyclictest176831-21apt-get21:55:112
834299241,2cyclictest324824-21apt-get00:20:122
834299241,21cyclictest232975-21apt-get22:50:132
834299241,20cyclictest238045-21apt-get22:55:142
8340992421,2cyclictest509-21systemd-logind21:30:011
8340992420,2cyclictest299002-21apt-get23:55:111
8340992420,2cyclictest166277-21apt-get21:45:121
8340992419,3cyclictest268548-21apt-get23:25:101
8340992419,3cyclictest115775-21grep20:55:161
834099241,3cyclictest44409-21apt-get19:45:121
834099241,21cyclictest28066-21ntpq19:25:191
834099241,20cyclictest0-21swapper/122:55:121
834099241,20cyclictest0-21swapper/121:05:101
834099240,22cyclictest1-21systemd21:05:011
834099240,21cyclictest34306-21taskset19:35:121
8336992420,2cyclictest145570-21apt-get21:25:110
8336992415,8cyclictest212359-21idleruntime-cro22:29:590
833699241,21cyclictest54583-21apt-get19:55:120
833699241,1cyclictest0-21swapper/000:35:120
8346992319,2cyclictest29249-21apt-get19:30:133
834699231,2cyclictest0-21swapper/322:50:133
834699231,2cyclictest0-21swapper/322:35:113
834699231,2cyclictest0-21swapper/321:55:113
834699231,2cyclictest0-21swapper/319:10:163
834699231,2cyclictest0-21swapper/300:00:123
834699231,21cyclictest0-21swapper/321:50:123
834699231,20cyclictest110236-21apt-get20:50:113
834699231,20cyclictest0-21swapper/322:45:123
834299230,1cyclictest0-21swapper/200:05:132
8340992319,3cyclictest192015-21apt-get22:10:131
8340992319,2cyclictest309190-21apt-get00:05:131
8340992319,2cyclictest0-21swapper/120:25:131
834099231,2cyclictest319309-21apt-get00:15:101
834099231,2cyclictest0-21swapper/123:30:121
834099231,21cyclictest0-21swapper/121:30:131
834099231,20cyclictest64682-21apt-get20:05:111
834099231,19cyclictest0-21swapper/120:10:111
834099231,19cyclictest0-21swapper/119:15:131
834099230,21cyclictest54345-21unin-run19:55:001
834099230,20cyclictest0-21swapper/123:15:121
834099230,20cyclictest0-21swapper/121:10:141
8336992320,2cyclictest171332-21apt-get21:50:120
833699230,20cyclictest261-21systemd-journal20:40:000
833699230,20cyclictest0-21swapper/000:05:130
8346992219,2cyclictest49483-21apt-get19:50:123
8346992219,2cyclictest324125-21idleruntime-cro00:20:003
8346992219,2cyclictest0-21swapper/322:15:103
8346992219,2cyclictest0-21swapper/320:55:123
8346992219,1cyclictest0-21swapper/319:55:133
8346992218,2cyclictest293959-21apt-get23:50:133
8346992217,2cyclictest125371-21apt-get21:05:103
834699221,20cyclictest192015-21apt-get22:10:133
834699221,20cyclictest0-21swapper/322:55:133
834699221,20cyclictest0-21swapper/321:43:083
834699221,20cyclictest0-21swapper/321:15:113
834699221,20cyclictest0-21swapper/319:21:443
834699220,20cyclictest0-21swapper/321:25:113
8342992220,1cyclictest329917-21apt-get00:25:132
8342992219,2cyclictest391rcuc/220:30:162
8342992216,4cyclictest79572-21idleruntime-cro20:20:002
8342992216,4cyclictest79572-21idleruntime-cro20:19:592
834299221,20cyclictest248228-21apt-get23:05:122
834299220,21cyclictest339791-21cut00:34:592
834299220,20cyclictest273354-21apt23:30:002
834299220,20cyclictest0-21swapper/222:45:112
834299220,1cyclictest0-21swapper/223:10:132
834299220,19cyclictest263482-21apt-get23:20:122
834299220,19cyclictest0-21swapper/220:05:122
8340992219,2cyclictest0-21swapper/120:55:001
834099221,20cyclictest186961-21apt-get22:05:121
834099221,20cyclictest0-21swapper/122:40:081
834099221,20cyclictest0-21swapper/120:23:011
834099220,3cyclictest288616-21cron23:45:001
834099220,2cyclictest0-21swapper/100:25:121
834099220,2cyclictest0-21swapper/100:10:101
834099220,19cyclictest0-21swapper/123:45:121
8336992219,2cyclictest79847-21apt-get20:20:120
8336992219,2cyclictest514-21in:imuxsock00:35:000
8336992219,2cyclictest167224-21ps21:45:160
8336992218,2cyclictest135482-21apt-get21:15:110
833699221,20cyclictest13660-21apt-get19:15:130
833699220,1cyclictest0-21swapper/023:24:440
833699220,19cyclictest0-21swapper/022:47:060
833699220,18cyclictest0-21swapper/022:40:080
8346992119,1cyclictest151072-21apt-get21:30:133
8346992119,1cyclictest0-21swapper/320:35:123
8346992118,2cyclictest319067-21systemd-run00:15:023
8346992117,2cyclictest0-21swapper/321:00:123
8346992117,2cyclictest0-21swapper/319:15:123
834699211,19cyclictest0-21swapper/323:55:123
834699210,20cyclictest0-21swapper/320:40:103
834699210,20cyclictest0-21swapper/319:25:123
834699210,20cyclictest0-21swapper/300:30:123
834699210,1cyclictest481rcuc/320:30:153
834699210,1cyclictest0-21swapper/321:45:123
834699210,1cyclictest0-21swapper/320:25:133
834699210,1cyclictest0-21swapper/320:05:123
8342992119,1cyclictest84924-21apt-get20:25:132
8342992119,1cyclictest0-21swapper/222:10:132
8342992119,1cyclictest0-21swapper/221:15:112
8342992119,1cyclictest0-21swapper/221:10:142
8342992117,3cyclictest0-21swapper/200:35:122
8342992117,2cyclictest34303-21apt-get19:35:122
834299211,1cyclictest0-21swapper/222:40:092
834299211,19cyclictest39357-21apt-get19:40:112
834299210,2cyclictest99853-21cron20:40:002
834299210,20cyclictest0-21swapper/223:40:112
834299210,20cyclictest0-21swapper/222:20:122
834299210,20cyclictest0-21swapper/221:45:162
8340992118,2cyclictest0-21swapper/120:15:121
8340992118,2cyclictest0-21swapper/120:15:121
8340992117,3cyclictest509-21systemd-logind00:25:001
8340992117,2cyclictest0-21swapper/120:30:121
8336992119,1cyclictest0-21swapper/022:00:130
8336992118,2cyclictest59769-21cpuspeed_turbos20:00:130
8336992118,2cyclictest273353-21latency_hist23:30:000
8336992118,2cyclictest0-21swapper/000:00:120
833699211,1cyclictest120343-21apt-get21:00:120
833699210,20cyclictest0-21swapper/000:20:120
833699210,1cyclictest0-21swapper/020:55:120
8346992018,1cyclictest63549-21ntpq20:00:213
8346992017,2cyclictest481rcuc/319:45:003
8346992017,2cyclictest145297-21idleruntime-cro21:25:003
8346992016,2cyclictest217473-21sh22:35:003
8346992015,3cyclictest79577-21turbostat.cron20:20:003
8346992015,3cyclictest79577-21turbostat.cron20:19:593
834699200,1cyclictest0-21swapper/300:25:133
8342992018,1cyclictest0-21swapper/223:55:112
8342992018,1cyclictest0-21swapper/223:54:512
8342992018,1cyclictest0-21swapper/223:35:122
8342992018,1cyclictest0-21swapper/220:40:102
8342992018,1cyclictest0-21swapper/220:04:452
8342992017,1cyclictest64-21kcompactd019:21:442
8342992016,2cyclictest44904-21ps19:45:162
8342992016,2cyclictest263205-21cron23:20:002
834299200,1cyclictest0-21swapper/222:25:112
834299200,1cyclictest0-21swapper/222:00:122
834299200,1cyclictest0-21swapper/221:40:102
834299200,1cyclictest0-21swapper/200:15:102
834299200,19cyclictest0-21swapper/221:50:112
834299200,19cyclictest0-21swapper/221:35:112
834299200,18cyclictest115043-21basename20:55:002
8340992018,1cyclictest0-21swapper/122:35:111
8340992018,1cyclictest0-21swapper/100:35:121
8340992017,2cyclictest0-21swapper/120:35:121
8340992017,2cyclictest0-21swapper/100:00:131
8340992016,3cyclictest2887-21kworker/u8:1+ext4-rsv-conversion21:55:121
8340992016,2cyclictest278711-21apt-get23:35:111
8340992016,2cyclictest161221-21apt-get21:40:101
834099200,1cyclictest0-21swapper/123:50:121
834099200,1cyclictest0-21swapper/123:05:211
834099200,19cyclictest0-21swapper/122:50:131
8336992019,1cyclictest64-21kcompactd020:44:320
8336992018,1cyclictest0-21swapper/022:50:130
8336992018,1cyclictest0-21swapper/022:35:110
8336992018,1cyclictest0-21swapper/021:55:100
8336992018,1cyclictest0-21swapper/021:31:180
8336992018,1cyclictest0-21swapper/020:50:110
8336992018,1cyclictest0-21swapper/020:05:130
8336992017,2cyclictest156610-21cat21:35:160
8336992016,3cyclictest238048-21seq22:55:130
8336992016,3cyclictest0-21swapper/000:00:000
833699200,1cyclictest258388-21apt-get23:15:120
833699200,1cyclictest0-21swapper/022:05:120
833699200,1cyclictest0-21swapper/019:10:110
833699200,19cyclictest0-21swapper/023:45:120
833699200,19cyclictest0-21swapper/023:36:020
833699200,18cyclictest0-21swapper/022:20:120
8346991916,2cyclictest248715-21irqcore23:05:173
834699190,1cyclictest0-21swapper/300:21:433
834699190,18cyclictest0-21swapper/320:20:123
834699190,0cyclictest0-21swapper/321:35:113
8342991917,1cyclictest0-21swapper/220:20:122
8342991916,2cyclictest0-21swapper/219:25:122
8340991917,1cyclictest0-21swapper/122:15:101
8340991917,1cyclictest0-21swapper/119:40:121
8340991916,2cyclictest0-21swapper/122:30:221
8336991917,1cyclictest34060-21systemd-run19:35:000
8336991917,1cyclictest0-21swapper/023:00:110
8336991917,1cyclictest0-21swapper/022:34:560
8336991917,1cyclictest0-21swapper/020:45:140
8336991917,1cyclictest0-21swapper/019:25:110
8336991917,1cyclictest0-21swapper/000:25:130
8336991916,2cyclictest211rcuc/020:30:160
8336991914,4cyclictest79567-21cron20:20:000
8336991914,4cyclictest79567-21cron20:20:000
833699190,18cyclictest0-21swapper/022:10:120
834299188,1cyclictest191755-21dump-pmu-power22:10:002
8342991816,1cyclictest0-21swapper/221:07:382
8342991815,2cyclictest34048-21munin-plugin-st19:35:002
834299180,0cyclictest0-21swapper/221:31:182
8340991816,1cyclictest0-21swapper/123:00:121
8340991816,1cyclictest0-21swapper/122:49:151
8340991816,1cyclictest0-21swapper/120:03:081
8340991815,2cyclictest208078-21irqcore22:25:151
8340991815,2cyclictest0-21swapper/121:50:211
8336991816,1cyclictest324176-21apt-config00:20:020
8336991816,1cyclictest0-21swapper/023:54:510
8336991816,1cyclictest0-21swapper/021:43:070
8336991815,2cyclictest23203-21chrt19:21:120
833699180,0cyclictest0-21swapper/023:05:120
8346991715,1cyclictest0-21swapper/323:24:123
8346991714,2cyclictest273621-21apt-get23:30:133
8342991715,2cyclictest0-21swapper/219:55:122
8342991713,2cyclictest145301-21sh21:25:002
8340991715,1cyclictest0-21swapper/119:55:131
8336991715,1cyclictest0-21swapper/021:10:140
8336991714,2cyclictest49548-21cpuspeed_turbos19:50:130
8336991714,2cyclictest35253-21tr19:35:170
8336991714,1cyclictest197467-21apt-get22:15:100
8336991711,3cyclictest145294-21cron21:25:010
8346991614,1cyclictest263203-21cron23:20:003
8342991614,1cyclictest319044-21awk00:15:002
8342991613,2cyclictest0-21swapper/221:00:122
8342991613,2cyclictest0-21swapper/219:50:122
8340991612,2cyclictest100129-21apt-get20:40:091
833699164,1cyclictest191rcu_preempt21:05:140
8336991614,1cyclictest44135-21idleruntime-cro19:44:590
8336991613,2cyclictest287702-21ntpq23:40:180
8336991612,3cyclictest61650irq/133-enp0s29f1:rx-023:30:130
8346991513,1cyclictest0-21swapper/319:45:223
8340991513,1cyclictest0-21swapper/120:45:141
8336991513,1cyclictest0-21swapper/019:45:160
8346991412,1cyclictest202527-21apt-get22:20:123
8346991412,1cyclictest0-21swapper/322:09:273
8346991411,1cyclictest0-21swapper/319:35:163
834699140,4cyclictest70650-21uname20:10:173
834299140,1cyclictest0-21swapper/220:10:132
8340991411,2cyclictest182016-21cpuspeed_turbos22:00:131
8340991411,2cyclictest13386-21idleruntime-cro19:14:591
833699148,4cyclictest69882-21df20:10:120
833699140,1cyclictest0-21swapper/020:25:130
834699139,2cyclictest130432-21apt-get21:10:143
8342991311,1cyclictest0-21swapper/223:30:132
8336991310,2cyclictest0-21swapper/019:09:590
833699130,3cyclictest317217-21kthreadcore00:10:160
834099129,2cyclictest202592-21cpuspeed_turbos22:20:131
8340991210,1cyclictest0-21swapper/123:10:131
834099120,11cyclictest0-21swapper/121:20:011
834299111,2cyclictest191rcu_preempt19:10:002
83409984,3cyclictest8512-21cat19:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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