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2026-09-02 - 19:31
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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 792 highest latencies:
System rackeslot4.osadl.org (updated Wed Sep 02, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
364600699321,29cyclictest3727203-21turbostat08:30:010
364601199300,3cyclictest3777322-21systemd-journal10:25:001
3646006993026,2cyclictest0-21swapper/008:50:000
3646011992917,10cyclictest3892170-21ps11:10:181
364601199290,20cyclictest3947233-21cron12:05:011
3646011992818,8cyclictest3774073-21cut09:15:151
3646011992714,2cyclictest3813326-21needreboot09:50:201
364601699262,20cyclictest3901379-21apt-get11:20:132
3646011992618,7cyclictest0-21swapper/109:04:591
3646011992617,8cyclictest3926544-21cut11:45:001
364601199260,1cyclictest0-21swapper/111:00:111
364602099251,22cyclictest3905260-21ntpq11:20:213
364602099251,20cyclictest3968287-21apt-get12:25:113
364602099251,20cyclictest0-21swapper/308:05:133
364602099250,23cyclictest3886152-21taskset11:05:103
364601699251,21cyclictest3656395-21apt-get07:20:132
364601199252,2cyclictest3727458-21apt-get08:30:111
364601199252,21cyclictest3927221-21apt-get11:45:101
364601199252,20cyclictest3911542-21apt-get11:30:111
3646011992519,3cyclictest3752812-21apt-get08:55:131
3646011992516,2cyclictest0-21swapper/107:15:111
3646011992513,2cyclictest0-21swapper/109:35:201
364601199250,24cyclictest0-21swapper/108:50:121
364600699253,2cyclictest0-21swapper/010:05:000
364600699252,3cyclictest3773569-21apt-get09:15:110
364600699252,2cyclictest3661510-21apt-get07:25:120
3646006992522,2cyclictest3656124-21idleruntime-cro07:20:000
364600699252,21cyclictest3691960-21apt-get07:55:130
3646006992520,3cyclictest3707129-21apt-get08:10:120
3646020992419,3cyclictest3963218-21apt-get12:20:123
364602099241,20cyclictest0-21swapper/308:10:123
364602099240,20cyclictest0-21swapper/307:40:123
3646016992419,4cyclictest514-21in:imuxsock12:15:002
364601699241,20cyclictest3778648-21apt-get09:20:122
364601699241,20cyclictest3757883-21apt-get09:00:112
364601699241,20cyclictest0-21swapper/208:15:112
364601699240,20cyclictest3978430-21apt-get12:35:122
3646011992417,5cyclictest3763382-21apt-get09:05:121
364601199241,20cyclictest3958122-21apt-get12:15:141
364601199241,20cyclictest3958122-21apt-get12:15:131
364601199240,1cyclictest0-21swapper/109:55:141
364601199240,18cyclictest0-21swapper/107:40:131
3646006992421,2cyclictest3712221-21apt-get08:15:110
3646006992420,2cyclictest3835342-21apt-get10:15:120
364600699241,21cyclictest3860820-21apt-get10:40:120
364600699241,21cyclictest3717317-21apt-get08:20:120
3646020992320,2cyclictest3804155-21cron09:45:003
3646020992320,2cyclictest3804155-21cron09:44:593
3646020992319,2cyclictest3942435-21apt-get12:00:113
3646020992319,2cyclictest3937365-21apt-get11:55:123
3646020992319,2cyclictest0-21swapper/310:30:123
3646020992319,2cyclictest0-21swapper/309:30:123
364602099231,2cyclictest3916635-21apt-get11:35:103
364602099231,2cyclictest3876013-21apt-get10:55:143
364602099231,2cyclictest3681842-21apt-get07:45:123
364602099230,20cyclictest0-21swapper/308:40:123
364602099230,20cyclictest0-21swapper/308:20:133
364602099230,20cyclictest0-21swapper/308:00:113
3646016992319,2cyclictest3886149-21apt-get11:05:102
3646016992319,2cyclictest3777322-21systemd-journal10:35:002
3646016992319,2cyclictest3697005-21apt-get08:00:102
3646016992316,5cyclictest3911545-21chrt11:30:112
364601699231,2cyclictest3747718-21apt-get08:50:122
364601699231,2cyclictest3686890-21apt-get07:50:132
364601699231,2cyclictest0-21swapper/212:25:002
364601699231,20cyclictest3927279-21wc11:45:102
364601699231,19cyclictest0-21swapper/210:45:112
364601699230,19cyclictest0-21swapper/208:45:112
3646011992318,3cyclictest3656887-21irqcore07:20:171
3646011992317,5cyclictest0-21swapper/108:10:121
3646011992314,3cyclictest3825662-21ps10:05:161
364601199231,2cyclictest3702076-21apt-get08:05:121
364601199230,21cyclictest3871463-21grep10:50:171
364601199230,20cyclictest0-21swapper/110:15:131
364601199230,20cyclictest0-21swapper/109:10:121
364601199230,20cyclictest0-21swapper/107:45:121
364600699232,20cyclictest0-21swapper/009:39:590
3646006992319,3cyclictest3973083-21cron12:30:000
3646006992319,2cyclictest0-21swapper/012:00:110
364600699231,2cyclictest3783742-21apt-get09:25:130
364600699230,21cyclictest0-21swapper/010:10:120
3646020992218,2cyclictest0-21swapper/310:10:113
364602099221,1cyclictest0-21swapper/309:15:103
364602099220,3cyclictest3911266-21cron11:30:003
364602099220,21cyclictest1-21systemd09:04:593
364602099220,20cyclictest0-21swapper/311:50:123
364602099220,19cyclictest0-21swapper/310:15:133
364602099220,19cyclictest0-21swapper/309:20:133
3646016992219,2cyclictest0-21swapper/212:05:122
3646016992219,2cyclictest0-21swapper/207:35:172
3646016992219,1cyclictest0-21swapper/208:25:232
364601699221,20cyclictest0-21swapper/208:14:532
364601699220,2cyclictest3766632-21tr09:05:182
364601699220,2cyclictest3651471-21/usr/sbin/munin07:15:122
364601699220,20cyclictest0-21swapper/211:40:122
364601699220,20cyclictest0-21swapper/208:55:132
364601699220,19cyclictest0-21swapper/211:35:112
3646011992219,2cyclictest3846023-21sort10:25:171
3646011992219,2cyclictest0-21swapper/110:30:121
3646011992219,1cyclictest0-21swapper/107:55:131
3646011992216,0cyclictest0-21swapper/109:30:141
364601199221,20cyclictest3747443-21idleruntime-cro08:49:591
364601199220,2cyclictest0-21swapper/110:35:181
364601199220,20cyclictest3947510-21apt-get12:05:121
364601199220,20cyclictest3646208-21chrt07:10:121
364601199220,19cyclictest0-21swapper/112:10:111
364601199220,19cyclictest0-21swapper/111:55:121
364601199220,19cyclictest0-21swapper/109:20:131
3646006992219,2cyclictest3952602-21apt-get12:10:120
3646006992219,2cyclictest0-21swapper/009:45:110
3646006992219,2cyclictest0-21swapper/008:56:170
3646006992219,1cyclictest3818500-21ntpq09:55:220
3646006992218,2cyclictest3926959-21readlink11:45:000
3646006992218,2cyclictest3850627-21apt-get10:30:110
3646006992218,2cyclictest0-21swapper/011:25:130
364600699221,20cyclictest0-21swapper/011:15:130
364600699221,20cyclictest0-21swapper/011:00:110
364600699221,20cyclictest0-21swapper/008:42:180
364600699221,1cyclictest0-21swapper/011:40:120
364600699221,1cyclictest0-21swapper/009:05:110
364600699221,1cyclictest0-21swapper/008:50:110
364600699220,2cyclictest3932791-21ps11:50:160
364600699220,2cyclictest3840415-21apt-get10:20:110
364600699220,2cyclictest0-21swapper/007:30:120
364600699220,20cyclictest3912030-21grep11:30:160
364600699220,20cyclictest0-21swapper/011:05:100
364600699220,20cyclictest0-21swapper/010:55:130
364600699220,19cyclictest0-21swapper/007:50:120
3646020992119,1cyclictest64-21kcompactd010:21:463
3646020992119,1cyclictest0-21swapper/312:36:423
3646020992119,1cyclictest0-21swapper/308:25:133
3646020992119,1cyclictest0-21swapper/307:52:193
3646020992118,2cyclictest3845534-21chrt10:25:133
3646020992117,3cyclictest3962966-21munin-plugin-st12:20:003
3646020992117,3cyclictest3962966-21munin-plugin-st12:20:003
364602099210,3cyclictest3952333-21sh12:10:003
364602099210,2cyclictest3927706-21ps11:45:143
364602099210,20cyclictest64-21kcompactd012:30:473
364602099210,20cyclictest3671431-21systemd-run07:35:003
364602099210,1cyclictest0-21swapper/307:35:133
364602099210,19cyclictest0-21swapper/310:00:113
364602099210,19cyclictest0-21swapper/309:50:123
364602099210,19cyclictest0-21swapper/307:15:113
3646016992119,1cyclictest0-21swapper/208:35:142
3646016992119,1cyclictest0-21swapper/207:10:112
3646016992118,2cyclictest3676771-21apt-get07:40:132
3646016992118,1cyclictest3973359-21apt-get12:30:122
364601699210,2cyclictest64-21kcompactd010:20:092
364601699210,2cyclictest0-21swapper/212:15:122
364601699210,2cyclictest0-21swapper/212:15:112
364601699210,20cyclictest64-21kcompactd010:13:102
364601699210,20cyclictest64-21kcompactd008:45:002
364601699210,20cyclictest3798721-21systemd-run09:40:002
364601699210,20cyclictest0-21swapper/210:00:112
364601699210,1cyclictest3932294-21apt-get11:50:122
364601699210,1cyclictest3819417-21systemd-run10:00:002
364601699210,1cyclictest0-21swapper/211:25:122
364601699210,1cyclictest0-21swapper/209:40:122
364601699210,1cyclictest0-21swapper/209:40:112
364601699210,1cyclictest0-21swapper/207:30:122
3646011992119,1cyclictest0-21swapper/112:25:151
3646011992119,1cyclictest0-21swapper/109:45:131
3646011992119,1cyclictest0-21swapper/108:35:141
3646011992119,1cyclictest0-21swapper/108:00:111
3646011992119,1cyclictest0-21swapper/107:35:131
3646011992118,2cyclictest3896283-21apt-get11:15:131
3646011992118,2cyclictest0-21swapper/109:25:131
364601199210,1cyclictest0-21swapper/108:20:131
364601199210,19cyclictest0-21swapper/107:25:111
3646006992119,1cyclictest0-21swapper/010:50:130
3646006992119,1cyclictest0-21swapper/010:09:240
3646006992119,1cyclictest0-21swapper/009:43:030
3646006992119,1cyclictest0-21swapper/009:43:030
3646006992119,1cyclictest0-21swapper/007:20:130
3646006992118,2cyclictest64-21kcompactd009:02:120
3646006992118,2cyclictest0-21swapper/007:40:130
364600699211,1cyclictest64-21kcompactd009:14:340
364600699210,2cyclictest64-21kcompactd011:20:210
364600699210,2cyclictest0-21swapper/009:50:120
364600699210,20cyclictest3701804-21idleruntime-cro08:05:000
364600699210,20cyclictest0-21swapper/012:20:110
364600699210,20cyclictest0-21swapper/011:57:590
364600699210,20cyclictest0-21swapper/011:35:200
364600699210,20cyclictest0-21swapper/010:25:120
364600699210,19cyclictest3957877-21cat12:15:000
364600699210,19cyclictest3957877-21cat12:15:000
3646020992018,1cyclictest0-21swapper/311:15:143
3646020992018,1cyclictest0-21swapper/311:00:113
3646020992018,1cyclictest0-21swapper/309:25:133
3646020992017,2cyclictest0-21swapper/308:45:113
3646020992016,2cyclictest3870963-21apt-get10:50:133
364602099200,1cyclictest64-21kcompactd007:59:173
364602099200,1cyclictest0-21swapper/311:32:113
364602099200,1cyclictest0-21swapper/309:55:133
364602099200,1cyclictest0-21swapper/307:20:133
3646016992018,1cyclictest64-21kcompactd010:59:562
3646016992018,1cyclictest0-21swapper/212:25:122
3646016992018,1cyclictest0-21swapper/210:25:132
3646016992018,1cyclictest0-21swapper/207:48:002
3646016992017,2cyclictest0-21swapper/207:55:132
3646016992017,1cyclictest0-21swapper/210:35:112
364601699200,1cyclictest0-21swapper/211:59:042
364601699200,1cyclictest0-21swapper/208:05:132
364601699200,1cyclictest0-21swapper/207:25:202
364601699200,19cyclictest3881079-21apt-get11:00:112
364601699200,19cyclictest0-21swapper/211:17:082
3646011992018,1cyclictest3691710-21awk07:55:011
3646011992018,1cyclictest0-21swapper/110:40:121
3646011992018,1cyclictest0-21swapper/110:00:111
3646011992013,1cyclictest0-21swapper/112:30:221
364601199200,1cyclictest64-21kcompactd012:23:151
364601199200,1cyclictest0-21swapper/111:05:101
364601199200,1cyclictest0-21swapper/110:55:131
364601199200,1cyclictest0-21swapper/110:45:121
3646006992018,1cyclictest64-21kcompactd011:11:450
364600699200,1cyclictest3727943-21ps08:30:150
364600699200,1cyclictest0-21swapper/010:35:120
3646020991917,1cyclictest0-21swapper/309:35:123
3646020991917,1cyclictest0-21swapper/309:10:123
3646020991917,1cyclictest0-21swapper/309:05:123
3646016991917,1cyclictest0-21swapper/210:40:122
3646016991917,1cyclictest0-21swapper/209:30:122
3646016991917,1cyclictest0-21swapper/209:10:112
3646016991916,2cyclictest3809995-21irqcore09:50:172
3646011991918,1cyclictest0-21swapper/107:30:211
3646011991917,1cyclictest0-21swapper/112:35:121
3646011991917,1cyclictest0-21swapper/111:35:191
3646011991916,2cyclictest0-21swapper/108:40:121
3646011991911,1cyclictest3906449-21apt-get11:25:121
3646006991917,1cyclictest0-21swapper/012:35:120
3646006991917,1cyclictest0-21swapper/012:34:000
364600699190,18cyclictest0-21swapper/012:07:400
3646020991815,2cyclictest3859734-21ntpq10:35:223
3646016991816,1cyclictest3871460-21ps10:50:172
3646016991816,1cyclictest0-21swapper/211:10:132
3646016991816,1cyclictest0-21swapper/210:15:132
3646016991816,1cyclictest0-21swapper/209:45:122
3646016991815,2cyclictest2875-21cron08:25:012
3646011991816,1cyclictest0-21swapper/111:50:201
3646011991813,1cyclictest0-21swapper/110:11:011
3646020991715,1cyclictest0-21swapper/308:55:143
3646020991715,1cyclictest0-21swapper/308:15:113
3646020991713,2cyclictest0-21swapper/310:50:013
3646016991715,1cyclictest0-21swapper/212:04:262
3646016991715,1cyclictest0-21swapper/209:15:192
3646016991712,3cyclictest0-21swapper/210:10:002
3646011991714,2cyclictest3800328-21kthreadcore09:40:171
3646011991714,2cyclictest3800328-21kthreadcore09:40:171
3646006991714,2cyclictest0-21swapper/007:45:130
3646006991713,3cyclictest61650irq/133-enp0s29f1:rx-008:35:180
3646020991613,2cyclictest3921730-21apt-get11:40:123
3646020991612,2cyclictest3825177-21apt-get10:05:123
3646011991615,1cyclictest64-21kcompactd008:29:241
3646011991614,1cyclictest0-21swapper/108:15:201
3646006991613,2cyclictest62450irq/134-enp0s29f1:tx-009:20:240
3646006991613,2cyclictest0-21swapper/007:35:120
3646020991513,1cyclictest0-21swapper/310:40:123
3646020991513,1cyclictest0-21swapper/307:10:113
3646020991511,2cyclictest3804424-21apt-get09:45:133
3646006991512,2cyclictest61650irq/133-enp0s29f1:rx-009:33:130
3646006991512,2cyclictest61650irq/133-enp0s29f1:rx-007:10:120
3646006991511,3cyclictest61650irq/133-enp0s29f1:rx-010:45:110
3646006991511,3cyclictest3702144-21cpuspeed_turbos08:05:130
3646006991511,3cyclictest0-21swapper/007:10:010
3646020991412,1cyclictest0-21swapper/308:30:203
3646016991410,3cyclictest3727525-21cpuspeed_turbos08:30:122
364602099139,3cyclictest3952732-21cpuspeed_turbos12:10:123
364602099138,3cyclictest0-21swapper/311:10:203
3646011991311,1cyclictest0-21swapper/111:20:121
364602099121,3cyclictest3752553-21latency_hist08:55:003
364602099118,2cyclictest3646025-21latency_hist07:10:013
36460209996,2cyclictest3732895-21sh08:35:173
36460169981,2cyclictest191rcu_preempt07:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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