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2026-07-27 - 09:03
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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 376 highest latencies:
System rackeslot4.osadl.org (updated Mon Jul 27, 2026 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
810124993228,2cyclictest1051514-21irqcore23:05:191
810132992924,3cyclictest509-21systemd-logind20:20:003
810132992825,2cyclictest923063-21cron20:59:593
810124992824,3cyclictest1129118-21systemd-run00:19:591
81013299272,4cyclictest963901-21apt-get21:40:133
810132992721,4cyclictest500-21dbus-daemon00:20:003
81012799271,22cyclictest856828-21apt-get19:55:112
810132992619,5cyclictest831212-21sed19:30:013
81012499263,3cyclictest831509-21apt-get19:30:121
81012499261,20cyclictest994293-21apt-get22:10:121
810132992520,3cyclictest923341-21taskset21:00:093
81013299251,22cyclictest1108562-21apt-get00:00:143
81013299251,21cyclictest1045942-21apt-get23:00:123
81013299250,24cyclictest1026164-21sort22:40:183
810127992521,2cyclictest0-21swapper/222:30:002
81012499252,21cyclictest1082772-21apt-get23:35:151
81012299251,22cyclictest1039274-21ntpq22:50:200
810132992420,2cyclictest902989-21apt-get20:40:123
81013299241,3cyclictest1113676-21apt-get00:05:143
81013299241,3cyclictest0-21swapper/322:15:143
81013299241,21cyclictest1118793-21apt-get00:10:153
81013299240,4cyclictest50-21ksoftirqd/319:20:003
810127992420,2cyclictest1030268-21apt-get22:45:122
81012799241,3cyclictest913180-21apt-get20:50:132
81012799241,20cyclictest918272-21apt-get20:55:122
81012799240,22cyclictest1082413-21latency_hist23:35:012
81012499241,2cyclictest1103507-21apt-get23:55:121
81012499241,20cyclictest943607-21apt-get21:20:151
81012499241,20cyclictest938534-21apt-get21:15:141
810122992419,3cyclictest923338-21apt-get21:00:100
81012299240,4cyclictest1014686-21cat22:30:000
810132992318,3cyclictest872014-21apt-get20:10:133
810132992318,3cyclictest1040852-21apt-get22:55:123
81013299231,2cyclictest1004411-21apt-get22:20:113
81013299231,21cyclictest0-21swapper/323:10:103
81013299231,21cyclictest0-21swapper/319:20:203
81013299231,20cyclictest0-21swapper/323:45:173
81013299230,3cyclictest3777322-21systemd-journal21:35:003
81013299230,21cyclictest1066791-21cron23:20:013
81013299230,21cyclictest0-21swapper/323:40:123
81012799231,2cyclictest810338-21apt-get19:10:122
81012799231,2cyclictest1056502-21apt-get23:10:102
81012799231,19cyclictest1145036-21apt-get00:35:122
81012799230,22cyclictest1144380-21apt-config00:35:002
81012799230,20cyclictest0-21swapper/221:35:152
81012799230,20cyclictest0-21swapper/220:30:112
81012799230,20cyclictest0-21swapper/200:20:132
81012499232,20cyclictest1087849-21apt-get23:40:121
81012499231,2cyclictest897900-21apt-get20:35:131
81012499231,2cyclictest881067-21ntpq20:15:211
81012499231,2cyclictest0-21swapper/123:20:131
81012499231,20cyclictest872014-21apt-get20:10:141
81012499231,20cyclictest0-21swapper/122:20:131
81012499230,20cyclictest0-21swapper/100:00:131
810122992320,2cyclictest999339-21apt-get22:15:120
810122992320,2cyclictest509-21systemd-logind23:15:000
810122992318,3cyclictest1061996-21apt-get23:15:110
81012299231,2cyclictest908058-21apt-get20:45:110
81012299230,20cyclictest0-21swapper/022:40:100
810132992219,1cyclictest1134479-21apt-get00:25:143
810132992218,2cyclictest958857-21apt-get21:35:153
810132992217,3cyclictest1014347-21cron22:30:003
81013299221,2cyclictest1129362-21apt-get00:20:123
81013299221,20cyclictest0-21swapper/322:30:143
81013299221,20cyclictest0-21swapper/322:08:273
81013299221,20cyclictest0-21swapper/320:00:123
81013299220,2cyclictest1056175-21apt-config23:10:013
81013299220,2cyclictest0-21swapper/320:35:143
81013299220,20cyclictest836286-21cron19:35:003
81013299220,20cyclictest64-21kcompactd020:25:143
81013299220,20cyclictest1102814-21apt-get23:55:013
81013299220,20cyclictest0-21swapper/320:05:143
810127992219,2cyclictest815433-21apt-get19:15:142
810127992218,2cyclictest851504-21munin-run19:50:002
810127992216,4cyclictest1072628-21irqcore23:25:172
81012799220,3cyclictest973737-21cron21:50:002
81012799220,21cyclictest968692-21cron21:45:002
81012799220,20cyclictest1103101-21base6423:55:012
81012799220,19cyclictest1093084-21diskstats23:45:142
81012799220,19cyclictest0-21swapper/222:20:132
81012799220,19cyclictest0-21swapper/221:30:112
81012799220,19cyclictest0-21swapper/221:25:132
81012799220,19cyclictest0-21swapper/200:05:142
810124992219,2cyclictest1144344-21latency_hist00:35:011
810124992219,2cyclictest1072139-21apt-get23:25:131
81012499220,2cyclictest1009995-21ps22:25:171
81012499220,21cyclictest1035835-21grep22:50:151
81012499220,20cyclictest867460-21cut20:05:181
810122992218,2cyclictest876825-21cron20:15:000
810122992218,2cyclictest866690-21cron20:05:000
81012299221,20cyclictest0-21swapper/022:55:120
81012299220,2cyclictest888024-21fw_forwarded_lo20:25:140
81012299220,21cyclictest882709-21grep20:20:160
81012299220,20cyclictest964399-21grep21:40:170
810132992119,1cyclictest50-21ksoftirqd/320:30:113
810132992119,1cyclictest0-21swapper/322:50:553
81013299210,2cyclictest64-21kcompactd021:54:293
81013299210,2cyclictest1144384-21apt-config00:35:003
81013299210,2cyclictest0-21swapper/323:35:153
81013299210,20cyclictest64-21kcompactd021:13:373
81013299210,20cyclictest3777322-21systemd-journal19:45:003
81013299210,20cyclictest0-21swapper/322:04:103
81013299210,20cyclictest0-21swapper/322:04:093
81013299210,20cyclictest0-21swapper/321:45:133
81013299210,20cyclictest0-21swapper/321:18:273
810127992119,1cyclictest0-21swapper/223:00:132
810127992119,1cyclictest0-21swapper/222:50:192
810127992119,1cyclictest0-21swapper/222:10:122
810127992119,1cyclictest0-21swapper/220:35:142
810127992117,2cyclictest881943-21cron20:20:002
81012799211,19cyclictest0-21swapper/223:35:152
81012799210,20cyclictest988948-21cron22:05:012
81012799210,20cyclictest988948-21cron22:05:002
81012799210,20cyclictest1055866-21apt-config23:10:012
81012799210,1cyclictest0-21swapper/219:25:122
81012799210,19cyclictest0-21swapper/221:05:142
81012799210,19cyclictest0-21swapper/220:40:122
810124992119,1cyclictest974013-21apt-get21:50:101
810124992119,1cyclictest0-21swapper/123:15:111
810124992119,1cyclictest0-21swapper/123:10:101
810124992117,2cyclictest1045942-21apt-get23:00:121
810124992117,2cyclictest0-21swapper/122:35:211
81012499211,1cyclictest0-21swapper/120:40:121
81012499210,2cyclictest0-21swapper/119:35:141
81012499210,20cyclictest0-21swapper/122:05:141
81012499210,20cyclictest0-21swapper/119:10:001
81012499210,1cyclictest820252-21ls19:20:001
81012499210,1cyclictest64-21kcompactd020:01:031
81012499210,1cyclictest0-21swapper/119:45:121
81012499210,19cyclictest0-21swapper/122:00:121
81012499210,19cyclictest0-21swapper/122:00:121
810122992119,1cyclictest958857-21apt-get21:35:140
810122992118,2cyclictest985111-21ps22:00:180
810122992118,2cyclictest985111-21ps22:00:180
810122992118,2cyclictest953512-21idleruntime-cro21:30:000
810122992118,2cyclictest902994-21taskset20:40:130
810122992117,3cyclictest1-21systemd19:30:000
810122992117,3cyclictest1009263-21idleruntime-cro22:25:010
810122992116,4cyclictest915418-21sort20:50:180
81012299211,1cyclictest1067069-21apt-get23:20:130
81012299211,1cyclictest0-21swapper/000:35:000
81012299211,19cyclictest0-21swapper/022:10:120
81012299210,2cyclictest61650irq/133-enp0s29f1:rx-000:27:100
81012299210,2cyclictest1082459-21grep23:35:000
81012299210,20cyclictest0-21swapper/023:40:140
81012299210,20cyclictest0-21swapper/021:15:140
81012299210,1cyclictest0-21swapper/021:20:150
81012299210,19cyclictest0-21swapper/000:15:120
810132992018,1cyclictest64-21kcompactd021:56:373
810132992018,1cyclictest0-21swapper/321:05:143
810132992018,1cyclictest0-21swapper/319:55:083
810132992017,2cyclictest1-21systemd20:25:003
810132992017,2cyclictest0-21swapper/322:45:133
810132992017,2cyclictest0-21swapper/300:35:123
810132992015,3cyclictest851761-21apt-get19:50:123
810132992015,3cyclictest1020144-21apt-get22:35:143
81013299200,1cyclictest0-21swapper/323:31:473
810127992018,1cyclictest0-21swapper/222:35:152
810127992018,1cyclictest0-21swapper/221:00:102
810127992018,1cyclictest0-21swapper/219:25:002
810127992017,2cyclictest891742-21ntpq20:25:222
810127992017,1cyclictest0-21swapper/222:15:132
810127992015,4cyclictest871337-21grep20:05:282
81012799200,1cyclictest1123226-21sshd00:10:542
81012799200,1cyclictest0-21swapper/221:24:552
81012799200,1cyclictest0-21swapper/200:15:132
81012799200,19cyclictest0-21swapper/222:41:472
810124992018,2cyclictest64-21kcompactd020:26:511
810124992018,1cyclictest0-21swapper/122:55:121
810124992018,1cyclictest0-21swapper/122:34:471
810124992018,1cyclictest0-21swapper/121:08:141
810124992018,1cyclictest0-21swapper/120:47:161
810124992018,1cyclictest0-21swapper/100:20:121
810124992017,2cyclictest820524-21apt-get19:20:101
810124992017,2cyclictest0-21swapper/120:50:121
81012499200,1cyclictest887060-21munin-run20:25:001
81012499200,1cyclictest0-21swapper/122:15:121
81012499200,1cyclictest0-21swapper/100:25:281
81012499200,1cyclictest0-21swapper/100:05:141
81012499200,19cyclictest64-21kcompactd019:59:581
81012499200,19cyclictest0-21swapper/119:51:221
810122992018,1cyclictest64-21kcompactd022:09:320
810122992018,1cyclictest0-21swapper/023:35:150
810122992018,1cyclictest0-21swapper/022:45:120
810122992018,1cyclictest0-21swapper/019:15:140
810122992018,1cyclictest0-21swapper/000:35:120
810122992017,2cyclictest851493-21sh19:50:000
81012299200,1cyclictest0-21swapper/023:55:130
81012299200,1cyclictest0-21swapper/023:06:310
81012299200,1cyclictest0-21swapper/021:45:520
81012299200,1cyclictest0-21swapper/021:30:110
81012299200,1cyclictest0-21swapper/020:37:360
81012299200,1cyclictest0-21swapper/000:20:130
81012299200,19cyclictest983040-21ntpq21:55:220
81012299200,19cyclictest1123580-21apt-get00:15:000
81012299200,19cyclictest0-21swapper/019:20:100
81012299200,19cyclictest0-21swapper/000:00:130
810132991917,1cyclictest64-21kcompactd020:49:253
810132991916,2cyclictest0-21swapper/323:25:193
810132991915,2cyclictest0-21swapper/319:35:143
810127991917,1cyclictest0-21swapper/223:15:122
810127991917,1cyclictest0-21swapper/221:12:002
810127991917,1cyclictest0-21swapper/200:25:142
81012799190,1cyclictest0-21swapper/220:45:072
810124991917,1cyclictest0-21swapper/123:45:121
810124991917,1cyclictest0-21swapper/121:45:131
810124991917,1cyclictest0-21swapper/119:14:161
810124991916,2cyclictest3777322-21systemd-journal00:40:001
810124991915,3cyclictest831203-21wc19:30:011
81012499190,19cyclictest64-21kcompactd021:13:051
81012499190,19cyclictest0-21swapper/119:45:001
810122991917,1cyclictest1097765-21idleruntime-cro23:49:590
810122991917,1cyclictest0-21swapper/021:50:110
810122991917,1cyclictest0-21swapper/021:05:130
810122991917,1cyclictest0-21swapper/020:55:120
810122991917,1cyclictest0-21swapper/019:50:260
810122991916,2cyclictest1452388-21kworker/u8:0+flush-259:019:30:120
81013299184,2cyclictest191rcu_preempt19:50:003
810132991816,1cyclictest0-21swapper/323:50:113
810127991816,1cyclictest0-21swapper/223:20:132
810127991816,1cyclictest0-21swapper/222:55:122
810127991816,1cyclictest0-21swapper/220:24:432
810127991816,1cyclictest0-21swapper/219:51:552
81012799180,1cyclictest983912-21munin-run22:00:002
810124991817,1cyclictest0-21swapper/121:25:171
810122991816,1cyclictest0-21swapper/019:55:110
810122991815,2cyclictest1019877-21turbostat22:35:000
810122991815,2cyclictest0-21swapper/000:05:140
810122991814,3cyclictest61650irq/133-enp0s29f1:rx-023:50:120
810132991713,2cyclictest0-21swapper/319:10:123
810127991716,1cyclictest0-21swapper/219:30:122
810127991715,1cyclictest0-21swapper/221:50:122
810127991714,2cyclictest1015051-21apt-get22:30:142
810124991715,1cyclictest0-21swapper/122:45:121
810124991715,1cyclictest0-21swapper/121:00:101
810124991714,2cyclictest0-21swapper/100:15:011
810122991715,1cyclictest0-21swapper/023:00:110
810122991714,2cyclictest61650irq/133-enp0s29f1:rx-020:15:220
810122991714,2cyclictest61650irq/133-enp0s29f1:rx-019:10:110
810122991713,3cyclictest61650irq/133-enp0s29f1:rx-022:35:140
810132991611,1cyclictest191rcu_preempt21:20:213
810132991611,1cyclictest191rcu_preempt20:55:013
810127991612,2cyclictest0-21swapper/219:45:002
810124991614,1cyclictest0-21swapper/122:40:121
810124991614,1cyclictest0-21swapper/121:58:471
81012299160,1cyclictest0-21swapper/020:09:060
810127991514,1cyclictest0-21swapper/220:10:132
810124991513,1cyclictest953786-21apt-get21:30:111
810122991513,2cyclictest61650irq/133-enp0s29f1:rx-023:26:120
810122991512,2cyclictest61650irq/133-enp0s29f1:rx-019:35:200
810132991410,3cyclictest1067143-21cpuspeed_turbos23:20:133
81013299140,3cyclictest0-21swapper/322:10:243
81012799140,6cyclictest841350-21idleruntime-cro19:40:002
810124991411,2cyclictest0-21swapper/123:34:591
810124991410,2cyclictest0-21swapper/120:59:591
810122991411,2cyclictest61650irq/133-enp0s29f1:rx-021:10:140
810122991411,2cyclictest61650irq/133-enp0s29f1:rx-020:30:110
810122991410,2cyclictest0-21swapper/019:40:150
81012799135,2cyclictest191rcu_preempt22:05:152
81012799130,3cyclictest1108275-21cron23:59:592
810124991310,2cyclictest1102980-21latency_hist23:55:001
810122991310,2cyclictest0-21swapper/019:10:000
81012799125,5cyclictest3777322-21systemd-journal21:20:002
81012499128,2cyclictest0-21swapper/121:40:131
81013299115,1cyclictest191rcu_preempt19:10:003
81012799117,3cyclictest1090459-21tr23:40:182
81012799117,2cyclictest866715-21idleruntime-cro20:05:002
81012499108,1cyclictest0-21swapper/121:35:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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