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2026-06-22 - 20:44
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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
Characteristics of the 792 highest latencies:
System rackeslot2.osadl.org (updated Mon Jun 22, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36813221020,1sleep00-21swapper/007:45:050
5681662740,2sleep30-21swapper/310:15:003
322487993319,9cyclictest546088-21acpi10:00:030
32248799323,7cyclictest491rcuog/208:05:050
322487993113,15cyclictest561119-21apt10:10:040
322487993012,17cyclictest1247-21mta-sts-daemon11:24:500
322487992917,10cyclictest0-21swapper/011:25:020
32248799285,14cyclictest1020-21runrttasks09:36:080
322487992814,12cyclictest1242-21mta-sts-daemon11:15:090
322487992711,15cyclictest629806-21kthreadcore10:55:110
322487992711,14cyclictest1-21systemd07:35:020
32248799270,3cyclictest687200-21latency_hist11:35:000
322487992619,5cyclictest343454-21gmain07:25:010
32248799259,12cyclictest765-1atopacctd09:20:060
32248799257,12cyclictest0-21swapper/011:40:020
32248799256,4cyclictest0-21swapper/010:01:070
32248799253,16cyclictest0-21swapper/009:25:180
32248799253,16cyclictest0-21swapper/009:25:180
32248799252,11cyclictest520646-21kthreadcore09:40:120
322487992519,5cyclictest613160-21sh10:45:010
322487992515,9cyclictest0-21swapper/011:50:170
322487992514,10cyclictest730391-21sh12:01:400
322487992514,10cyclictest719572-21kthreadcore11:55:120
322487992511,12cyclictest657845-21latency_hist11:15:030
322487992511,12cyclictest0-21swapper/012:10:170
32248799250,23cyclictest0-21swapper/010:50:030
32248799245,5cyclictest0-21swapper/010:22:330
32248799242,19cyclictest459317-21munin-run09:00:010
322487992411,12cyclictest601064-21kthreadcore10:35:120
322487992411,12cyclictest423936-21irqcore08:30:100
32248799241,10cyclictest537891-21apt-get09:55:020
32248799241,10cyclictest537891-21apt-get09:55:020
322487992410,9cyclictest0-21swapper/011:00:160
32248799240,3cyclictest447331-21/usr/sbin/munin08:50:050
32249199234,5cyclictest4777082sleep209:11:482
32248799239,12cyclictest391135-21kthreadcore08:00:130
32248799238,14cyclictest0-21swapper/009:30:120
32248799237,11cyclictest0-21swapper/012:05:090
32248799234,14cyclictest0-21swapper/010:09:200
32248799233,7cyclictest648238-21/usr/sbin/munin11:05:170
32248799233,7cyclictest613328-21/usr/sbin/munin10:45:060
32248799232,9cyclictest0-21swapper/010:25:530
32248799231,9cyclictest0-21swapper/012:26:290
322487992316,5cyclictest783426-21systemd12:40:030
32248799231,20cyclictest399227-21cstates08:10:080
32248799231,13cyclictest385318-21pmu-power07:55:150
322487992311,11cyclictest774055-21sed12:30:180
32248799231,10cyclictest479101-21/usr/sbin/munin09:15:130
32248799230,10cyclictest756320-21kthreadcore12:20:110
32248799230,10cyclictest361843-21/usr/sbin/munin07:40:060
32248799229,11cyclictest695444-21sh11:40:060
32248799226,14cyclictest0-21swapper/009:45:080
32248799225,5cyclictest0-21swapper/012:18:400
32248799225,5cyclictest0-21swapper/009:10:150
32248799225,15cyclictest702628-21cstates11:45:050
32248799224,5cyclictest374410-21/usr/sbin/munin07:50:090
32248799221,9cyclictest0-21swapper/010:32:000
322487992216,5cyclictest361686-21idleruntime-cro07:40:010
322487992212,9cyclictest322477-21cyclictest08:15:090
32248799221,19cyclictest349525-21munin-run07:30:010
32248799221,19cyclictest1-21systemd08:50:010
32248799221,18cyclictest322490-21munin-run07:10:010
32249199215,5cyclictest3552022sleep207:30:372
322491992116,2cyclictest0-21swapper/212:26:302
32248799218,12cyclictest469559-21kthreadcore09:05:120
32248799211,9cyclictest0-21swapper/010:15:030
32248799211,11cyclictest464089-21cut09:00:130
32248799210,2cyclictest416952-21/usr/sbin/munin08:25:090
32249199205,7cyclictest5141762sleep209:35:202
322488992017,2cyclictest739128-21/usr/sbin/munin12:10:021
322488992017,2cyclictest660-21dbus-daemon12:30:011
322488992017,2cyclictest613367-21systemd10:45:021
322488992017,2cyclictest605775-21find10:40:021
322488992010,4cyclictest0-21swapper/110:55:041
32248799209,9cyclictest0-21swapper/008:45:020
32248799209,7cyclictest429185-21tail08:35:050
322487992010,9cyclictest333721-21kthreadcore07:15:110
32248799200,4cyclictest322703-21/usr/sbin/munin07:10:050
32248799200,2cyclictest410839-21/usr/sbin/munin08:20:030
3153791200,2phc2sys0-21swapper/309:10:573
322488991913,2cyclictest478939-21/usr/sbin/munin09:15:021
322488991911,2cyclictest453320-21kworker/u16:3-events_unbound09:25:431
322488991911,2cyclictest453320-21kworker/u16:3-events_unbound09:25:431
3153791191,3phc2sys0-21swapper/310:27:083
3153791190,2phc2sys0-21swapper/309:43:073
32249199185,9cyclictest561042-21taskset10:10:022
322491991815,1cyclictest0-21swapper/211:00:122
322491991815,1cyclictest0-21swapper/210:45:012
322491991815,1cyclictest0-21swapper/210:00:032
322491991815,1cyclictest0-21swapper/207:25:012
322491991810,4cyclictest0-21swapper/210:10:042
322488991815,2cyclictest716940-21wc11:55:021
322488991815,2cyclictest648264-21timerandwakeup11:05:171
322488991815,2cyclictest568362-21cut10:15:021
322488991810,4cyclictest523592-21aten2.4-expect09:45:051
3153791181,2phc2sys0-21swapper/310:43:243
32249199177,4cyclictest0-21swapper/211:10:012
32249199175,6cyclictest0-21swapper/210:48:182
322491991715,1cyclictest0-21swapper/207:50:022
32248899173,13cyclictest760976-21munin-run12:25:011
322488991714,2cyclictest747336-21hddtemp_smartct12:15:081
322488991714,2cyclictest666899-21kthreadcore11:20:091
322488991714,2cyclictest665380-21sh11:20:031
322488991714,2cyclictest660-21dbus-daemon11:55:161
322488991714,2cyclictest540329-21kthreadcore09:55:091
322488991714,2cyclictest0-21swapper/110:10:011
322488991711,5cyclictest1237-21mta-sts-daemon12:30:071
322488991710,3cyclictest690367-21kthreadcore11:35:141
3153791170,2phc2sys0-21swapper/312:33:573
32249199166,7cyclictest7158502sleep211:52:282
32249199165,6cyclictest5822332sleep210:22:102
32249199163,9cyclictest7315962sleep212:05:022
32249199162,8cyclictest0-21swapper/211:00:012
322491991613,1cyclictest0-21swapper/212:40:032
322491991613,1cyclictest0-21swapper/211:25:022
322491991611,2cyclictest0-21swapper/211:14:122
32248899169,3cyclictest572573-21kthreadcore10:15:111
32248899168,3cyclictest618605-21/usr/sbin/munin10:45:171
322488991613,2cyclictest677445-21kthreadcore11:25:121
322488991613,2cyclictest660-21dbus-daemon11:45:151
322488991613,2cyclictest642838-21systemd-run11:05:021
322488991613,2cyclictest592496-21kthreadcore10:30:111
322488991613,2cyclictest547249-21irqrtprio10:00:091
322488991613,2cyclictest434844-21grep08:40:001
322488991613,2cyclictest387346-21tail08:00:091
322488991613,2cyclictest355853-21acpi07:35:031
322488991613,2cyclictest1247-21mta-sts-daemon11:10:041
322488991613,2cyclictest0-21swapper/107:40:021
322488991611,4cyclictest493861-21cat09:25:021
32248899160,7cyclictest373885-21dpkg07:50:011
3153791161,5phc2sys0-21swapper/309:25:043
3153791161,5phc2sys0-21swapper/309:25:043
3153791161,2phc2sys0-21swapper/312:09:163
3153791160,4phc2sys0-21swapper/311:43:433
3153791160,4phc2sys0-21swapper/310:06:273
3153791160,2phc2sys0-21swapper/312:38:133
3153791160,2phc2sys0-21swapper/311:37:253
3153791160,1phc2sys0-21swapper/311:54:173
4114782150,2sleep30-21swapper/308:20:063
32249199159,3cyclictest739751-21chrt12:10:062
32249199156,7cyclictest0-21swapper/208:25:002
32249199155,1cyclictest0-21swapper/211:25:002
322491991513,1cyclictest0-21swapper/211:35:022
322491991512,1cyclictest0-21swapper/208:00:012
322491991511,2cyclictest428776-21turbostat08:35:002
322491991511,2cyclictest0-21swapper/210:33:362
322491991511,2cyclictest0-21swapper/208:36:412
322491991510,2cyclictest0-21swapper/207:38:072
32248899159,5cyclictest1242-21mta-sts-daemon12:01:271
32248899159,4cyclictest341679-21tr07:20:131
32248899157,3cyclictest0-21swapper/112:37:211
32248899153,7cyclictest328565-21awk07:15:011
322488991512,2cyclictest685727-21sh11:30:331
322488991512,2cyclictest349508-21munin-plugin-st07:30:011
322488991512,2cyclictest1247-21mta-sts-daemon09:53:291
322488991512,2cyclictest1247-21mta-sts-daemon09:53:291
322488991511,3cyclictest581923-21kworker/u16:3+nfsiod10:26:251
322488991511,3cyclictest511532-21kthreadcore09:35:121
32248899150,3cyclictest0-21swapper/108:57:251
3153791151,6phc2sys0-21swapper/310:50:043
3153791150,3phc2sys0-21swapper/311:16:513
3153791150,2phc2sys0-21swapper/311:58:323
3153791150,2phc2sys0-21swapper/309:55:503
3153791150,1phc2sys0-21swapper/309:00:033
32249199147,5cyclictest738608-21chrt12:09:142
32249199147,4cyclictest0-21swapper/207:15:042
32249199146,5cyclictest758273-21chrt12:20:122
32249199146,5cyclictest442190-21chrt08:45:102
32249199146,3cyclictest0-21swapper/210:35:102
32249199146,3cyclictest0-21swapper/209:50:092
32249199146,3cyclictest0-21swapper/209:50:092
32249199145,6cyclictest5527272sleep210:03:422
32249199144,5cyclictest4043492sleep208:13:332
32249199144,1cyclictest0-21swapper/208:45:002
32249199143,4cyclictest0-21swapper/211:20:012
322491991412,1cyclictest0-21swapper/211:46:152
322491991412,1cyclictest0-21swapper/210:50:032
322491991411,1cyclictest0-21swapper/207:29:592
322491991410,2cyclictest0-21swapper/209:45:182
32248899147,4cyclictest1242-21mta-sts-daemon10:21:511
32248899144,8cyclictest463716-21tr09:00:131
32248899142,7cyclictest428765-21latency_hist08:35:001
322488991412,1cyclictest404842-21aten2.4-expect08:15:041
322488991412,1cyclictest1246-21mta-sts-daemon08:50:021
322488991411,2cyclictest744150-21proc_pri12:10:141
322488991411,2cyclictest624585-21kthreadcore10:50:121
322488991411,2cyclictest517051-21irqcore09:40:091
322488991411,2cyclictest503373-21kthreadcore09:30:091
322488991411,2cyclictest466296-21gltestperf09:05:081
322488991411,2cyclictest444061-21kthreadcore08:45:121
322488991411,2cyclictest332416-21kthreadcore07:15:111
322488991411,2cyclictest1247-21mta-sts-daemon09:15:471
32248899140,5cyclictest395913-21kthreadcore08:05:131
3153791140,3phc2sys0-21swapper/307:45:063
3153791140,2phc2sys0-21swapper/309:15:143
3153791140,1phc2sys0-21swapper/308:05:153
32249199136,5cyclictest422559-21chrt08:27:592
32249199135,1cyclictest0-21swapper/208:10:012
32249199134,1cyclictest0-21swapper/209:10:012
32249199134,1cyclictest0-21swapper/209:05:012
32249199132,5cyclictest0-21swapper/210:15:032
32249199132,1cyclictest0-21swapper/208:15:042
322491991310,2cyclictest0-21swapper/209:29:282
322491991310,2cyclictest0-21swapper/209:29:282
322491991310,1cyclictest0-21swapper/212:30:202
322491991310,1cyclictest0-21swapper/211:55:122
32248899135,3cyclictest367808-21latency_hist07:45:011
32248899134,4cyclictest398892-21tail08:10:071
322488991311,1cyclictest376059-21kthreadcore07:50:111
322488991310,2cyclictest696227-21kthreadcore11:40:111
322488991310,2cyclictest417936-21irqcore08:25:101
322488991310,2cyclictest412035-21irqrtprio08:20:091
322488991310,2cyclictest380867-21tr07:55:071
3153791133,6phc2sys672007-21chrt11:23:463
3153791131,3phc2sys0-21swapper/309:05:123
3153791130,3phc2sys0-21swapper/312:25:033
3153791130,2phc2sys0-21swapper/312:16:343
3153791130,2phc2sys0-21swapper/312:14:253
3153791130,2phc2sys0-21swapper/309:52:093
3153791130,2phc2sys0-21swapper/309:52:093
3153791130,2phc2sys0-21swapper/308:25:053
32249199129,1cyclictest0-21swapper/210:26:112
32249199129,1cyclictest0-21swapper/209:20:102
32249199129,1cyclictest0-21swapper/207:50:062
32249199125,5cyclictest5079082sleep209:33:402
32249199124,6cyclictest3674492sleep207:40:432
32249199124,5cyclictest516124-21chrt09:40:042
32249199123,5cyclictest0-21swapper/207:10:012
32249199123,4cyclictest0-21swapper/208:55:042
32249199123,2cyclictest7020752sleep211:45:022
32249199121,5cyclictest0-21swapper/212:20:012
32249199120,7cyclictest3282392sleep207:11:262
32249199120,6cyclictest0-21swapper/209:20:012
3153791121,4phc2sys0-21swapper/310:35:053
3153791121,2phc2sys0-21swapper/309:20:033
3153791120,4phc2sys0-21swapper/310:59:173
3153791120,4phc2sys0-21swapper/310:20:473
3153791120,2phc2sys0-21swapper/310:30:053
3153791120,2phc2sys0-21swapper/309:35:263
3153791120,1phc2sys0-21swapper/311:12:333
3153791120,1phc2sys0-21swapper/308:35:553
3153791120,1phc2sys0-21swapper/307:26:433
3153791120,1phc2sys0-21swapper/307:23:023
32249199119,1cyclictest0-21swapper/211:35:132
32249199112,4cyclictest0-21swapper/208:00:052
32248899118,2cyclictest322505-21latency_hist07:10:011
32248899115,4cyclictest436202-21irqcore08:40:091
3153791114,2phc2sys0-21swapper/310:49:083
3153791113,2phc2sys0-21swapper/312:20:103
3153791111,2phc2sys0-21swapper/308:41:243
3153791110,2phc2sys0-21swapper/311:48:123
3153791110,2phc2sys0-21swapper/311:27:003
3153791110,2phc2sys0-21swapper/309:32:453
3153791110,2phc2sys0-21swapper/308:15:193
3153791110,2phc2sys0-21swapper/307:42:453
3153791110,2phc2sys0-21swapper/307:15:043
32249199105,3cyclictest4485112sleep208:50:112
3153791102,3phc2sys0-21swapper/307:05:093
3153791101,3phc2sys0-21swapper/307:15:013
3153791101,2phc2sys0-21swapper/312:03:073
3153791101,2phc2sys0-21swapper/310:03:113
3153791101,2phc2sys0-21swapper/308:52:303
3153791101,2phc2sys0-21swapper/308:00:133
3153791101,2phc2sys0-21swapper/307:55:083
3153791101,2phc2sys0-21swapper/307:50:073
3153791101,2phc2sys0-21swapper/307:35:043
3153791100,2phc2sys0-21swapper/311:30:053
3153791100,2phc2sys0-21swapper/311:02:513
3153791100,2phc2sys0-21swapper/310:19:193
3153791100,2phc2sys0-21swapper/309:48:513
3153791100,2phc2sys0-21swapper/308:55:183
3153791100,2phc2sys0-21swapper/308:10:063
3153791100,2phc2sys0-21swapper/307:30:553
3153791100,1phc2sys0-21swapper/311:07:003
3153791100,1phc2sys0-21swapper/308:46:413
315379191,2phc2sys0-21swapper/308:30:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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