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2026-09-17 - 21:57
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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 Thu Sep 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3503931994745,1cyclictest3702697-21lspci10:20:213
350393199282,21cyclictest3580768-21apt-get08:25:113
350393199262,21cyclictest3677867-21apt-get10:00:123
350393199261,22cyclictest0-21swapper/308:35:133
350393199261,21cyclictest0-21swapper/310:30:133
350392399261,21cyclictest3740058-21apt-get11:00:101
3503931992520,3cyclictest3729779-21apt-get10:50:123
350393199251,22cyclictest3786094-21cron11:45:003
350393199251,21cyclictest0-21swapper/309:10:123
350393199251,20cyclictest0-21swapper/310:55:113
350393199250,21cyclictest0-21swapper/311:05:133
350393199250,21cyclictest0-21swapper/308:00:093
350392699252,20cyclictest3734877-21apt-get10:55:112
3503926992521,2cyclictest3729779-21apt-get10:50:142
350392399252,2cyclictest3626696-21apt-get09:10:121
3503923992521,2cyclictest3791441-21apt-get11:50:121
3503931992419,3cyclictest0-21swapper/309:55:113
350393199241,3cyclictest3530508-21cut07:35:163
350393199241,3cyclictest0-21swapper/312:15:133
350393199241,21cyclictest3801555-21apt-get12:00:123
350393199241,21cyclictest3606465-21apt-get08:50:133
350393199241,21cyclictest0-21swapper/308:20:143
350393199241,20cyclictest3796484-21apt-get11:55:103
350393199241,20cyclictest0-21swapper/310:15:133
350393199241,20cyclictest0-21swapper/307:55:113
350393199240,23cyclictest3836795-21cron12:35:013
350393199240,21cyclictest0-21swapper/311:45:113
350393199240,20cyclictest0-21swapper/311:15:123
350392699241,20cyclictest0-21swapper/207:50:102
350392699240,21cyclictest3550303-21apt-get07:55:122
350392399241,21cyclictest3620522-21ntpq09:00:211
350392399241,20cyclictest3781296-21apt-get11:40:111
350392399240,20cyclictest0-21swapper/109:25:101
3503931992320,2cyclictest0-21swapper/308:10:123
3503931992319,2cyclictest3600993-21apt-get08:45:123
3503931992319,2cyclictest0-21swapper/310:45:133
3503931992319,2cyclictest0-21swapper/308:05:113
3503931992318,3cyclictest3714531-21chrt10:35:143
350393199231,2cyclictest0-21swapper/308:15:123
350393199231,21cyclictest0-21swapper/311:12:523
350393199231,20cyclictest0-21swapper/307:15:113
350393199230,20cyclictest0-21swapper/310:40:103
350393199230,20cyclictest0-21swapper/308:40:123
3503926992320,1cyclictest3704292-21apt-get10:25:102
3503926992319,3cyclictest3724461-21idleruntime-cro10:44:592
350392699231,2cyclictest3749164-21ntpq11:05:232
350392699231,19cyclictest0-21swapper/210:00:122
350392699230,20cyclictest0-21swapper/211:00:112
350392699230,20cyclictest0-21swapper/210:20:112
3503923992319,2cyclictest3688051-21apt-get10:10:121
3503923992319,2cyclictest3667726-21apt-get09:50:111
350392399231,2cyclictest3821865-21apt-get12:20:111
350392399231,2cyclictest3657118-21apt-get09:40:121
350392399231,19cyclictest0-21swapper/108:40:121
350392399230,3cyclictest3801292-21cron12:00:001
350392399230,3cyclictest3714255-21cron10:35:001
350392399230,20cyclictest64-21kcompactd008:10:061
350392399230,20cyclictest0-21swapper/111:35:111
350392399230,19cyclictest0-21swapper/111:20:131
350392199232,20cyclictest3667256-21apt-get09:48:000
3503921992320,2cyclictest3766085-21apt-get11:25:100
3503921992320,2cyclictest3766085-21apt-get11:25:100
3503921992320,2cyclictest3545232-21apt-get07:50:100
350392199231,2cyclictest3600993-21apt-get08:45:120
350392199231,2cyclictest3595927-21apt-get08:40:130
350392199231,2cyclictest3575679-21apt-get08:20:130
350392199231,19cyclictest3611509-21apt-get08:55:100
350392199230,4cyclictest3530512-21ps07:35:160
350392199230,21cyclictest3519382-21apt-get07:25:110
3503931992219,2cyclictest3539905-21munin-run07:45:003
3503931992219,2cyclictest3524901-21apt-get07:30:113
3503931992219,2cyclictest0-21swapper/307:50:103
3503931992218,2cyclictest0-21swapper/311:25:113
3503931992218,2cyclictest0-21swapper/311:25:103
350393199221,1cyclictest0-21swapper/309:40:123
350393199221,1cyclictest0-21swapper/309:25:103
350393199220,21cyclictest64-21kcompactd009:53:513
350393199220,1cyclictest0-21swapper/307:25:113
3503926992219,2cyclictest3755182-21apt-get11:14:592
3503926992218,2cyclictest3504135-21apt-get07:10:112
350392699221,1cyclictest3826957-21apt-get12:25:132
350392699221,1cyclictest0-21swapper/210:15:132
350392699221,19cyclictest0-21swapper/208:20:132
350392699220,20cyclictest3791926-21ps11:50:162
350392699220,20cyclictest0-21swapper/211:45:112
350392699220,20cyclictest0-21swapper/210:30:132
350392699220,19cyclictest0-21swapper/212:30:112
350392699220,19cyclictest0-21swapper/208:35:122
3503923992220,1cyclictest0-21swapper/108:55:111
3503923992219,2cyclictest3594609-21/usr/sbin/munin08:35:201
3503923992218,2cyclictest3693102-21apt-get10:15:131
350392399221,20cyclictest0-21swapper/111:16:381
350392399220,21cyclictest3555113-21basename08:00:001
350392399220,19cyclictest0-21swapper/109:55:111
350392399220,19cyclictest0-21swapper/107:35:111
3503921992219,2cyclictest3636812-21apt-get09:20:110
3503921992219,2cyclictest3514290-21apt-get07:20:120
3503921992218,2cyclictest3641862-21apt-get09:25:100
350392199221,2cyclictest3777322-21systemd-journal08:05:010
350392199220,2cyclictest0-21swapper/010:10:160
350392199220,20cyclictest3724435-21idleruntime-cro10:44:590
350392199220,20cyclictest3681660-21memory10:00:180
3503931992118,1cyclictest0-21swapper/310:05:123
3503931992118,1cyclictest0-21swapper/308:30:113
3503931992117,2cyclictest3821865-21apt-get12:20:103
3503931992115,3cyclictest0-21swapper/312:05:113
350393199210,20cyclictest64-21kcompactd011:23:383
350393199210,20cyclictest64-21kcompactd010:11:033
350393199210,20cyclictest0-21swapper/311:51:353
350393199210,20cyclictest0-21swapper/309:20:113
3503926992119,1cyclictest64-21kcompactd009:44:102
3503926992119,1cyclictest0-21swapper/208:25:092
3503926992119,1cyclictest0-21swapper/207:40:092
3503926992118,2cyclictest3786095-21cron11:45:002
3503926992118,2cyclictest3759827-21ntpq11:15:212
3503926992118,1cyclictest3760992-21apt-get11:20:122
3503926992118,1cyclictest0-21swapper/208:30:112
350392699210,2cyclictest64-21kcompactd011:56:262
350392699210,20cyclictest0-21swapper/208:59:542
350392699210,1cyclictest0-21swapper/212:00:112
350392699210,1cyclictest0-21swapper/209:25:102
350392699210,19cyclictest0-21swapper/209:20:112
350392699210,19cyclictest0-21swapper/208:10:122
3503923992119,1cyclictest64-21kcompactd009:30:451
3503923992119,1cyclictest0-21swapper/112:35:121
3503923992119,1cyclictest0-21swapper/111:45:201
3503923992119,1cyclictest0-21swapper/107:30:121
3503923992117,2cyclictest3719377-21munin-run10:40:001
3503923992117,2cyclictest0-21swapper/110:20:221
350392399211,1cyclictest0-21swapper/107:45:111
350392399210,20cyclictest3806388-21cron12:05:011
350392399210,20cyclictest0-21swapper/110:55:191
350392399210,1cyclictest0-21swapper/108:20:141
350392399210,19cyclictest0-21swapper/110:45:121
350392399210,19cyclictest0-21swapper/108:25:111
3503921992119,1cyclictest64-21kcompactd008:17:380
3503921992119,1cyclictest3672774-21apt-get09:55:110
3503921992118,2cyclictest3811493-21cut12:10:010
350392199211,19cyclictest3702053-21ntpq10:20:200
350392199210,20cyclictest1-21systemd07:50:010
350392199210,20cyclictest0-21swapper/011:35:280
350392199210,1cyclictest0-21swapper/012:25:120
350392199210,1cyclictest0-21swapper/012:00:110
3503931992018,1cyclictest0-21swapper/312:10:573
3503931992018,1cyclictest0-21swapper/310:25:103
3503931992018,1cyclictest0-21swapper/309:20:013
3503931992018,1cyclictest0-21swapper/307:10:113
3503926992018,1cyclictest3816555-21latency_hist12:15:012
3503926992018,1cyclictest0-21swapper/209:10:122
3503926992018,1cyclictest0-21swapper/208:00:092
3503926992018,1cyclictest0-21swapper/207:25:112
3503926992017,2cyclictest3620474-21ntpq09:00:202
350392699200,1cyclictest0-21swapper/207:35:112
350392699200,1cyclictest0-21swapper/207:20:212
350392699200,19cyclictest0-21swapper/207:30:122
350392699200,18cyclictest0-21swapper/209:45:122
3503923992018,1cyclictest0-21swapper/108:30:121
3503923992018,1cyclictest0-21swapper/107:40:091
3503923992017,2cyclictest0-21swapper/112:10:111
3503923992016,3cyclictest3667451-21cron09:50:011
3503923992016,3cyclictest3519882-21irqcore07:25:151
3503923992016,2cyclictest3806654-21apt-get12:05:131
3503923992016,2cyclictest3560465-21apt-get08:05:111
3503923992016,2cyclictest3555372-21apt-get08:00:091
350392399200,1cyclictest64-21kcompactd012:18:281
350392399200,1cyclictest64-21kcompactd010:27:111
350392399200,1cyclictest0-21swapper/112:30:121
350392399200,1cyclictest0-21swapper/112:25:201
350392399200,1cyclictest0-21swapper/110:40:101
350392399200,1cyclictest0-21swapper/109:20:101
350392399200,19cyclictest3775984-21systemd-run11:35:011
3503921992019,1cyclictest64-21kcompactd012:16:190
3503921992018,1cyclictest3755873-21apt-get11:15:110
3503921992018,1cyclictest3652025-21apt-get09:35:110
3503921992018,1cyclictest0-21swapper/011:33:510
3503921992018,1cyclictest0-21swapper/010:15:120
3503921992018,1cyclictest0-21swapper/009:40:120
3503921992018,1cyclictest0-21swapper/007:10:110
3503921992017,2cyclictest3786369-21apt-get11:45:110
3503921992016,2cyclictest3590880-21apt-get08:35:120
3503921992015,3cyclictest0-21swapper/008:00:000
350392199200,1cyclictest0-21swapper/011:20:120
350392199200,1cyclictest0-21swapper/008:52:340
350392199200,19cyclictest3749172-21taskset11:05:230
350392199200,19cyclictest0-21swapper/011:50:130
350392199200,19cyclictest0-21swapper/009:15:130
350392199200,19cyclictest0-21swapper/009:10:120
350392199200,19cyclictest0-21swapper/007:15:210
3503931991917,1cyclictest0-21swapper/312:35:123
3503931991917,1cyclictest0-21swapper/312:25:123
3503931991916,1cyclictest3650863-21ntpq09:30:203
3503926991918,1cyclictest0-21swapper/207:16:202
3503926991917,1cyclictest0-21swapper/210:10:122
3503926991917,1cyclictest0-21swapper/210:10:002
3503926991917,1cyclictest0-21swapper/209:35:112
3503926991917,1cyclictest0-21swapper/209:05:212
3503926991915,2cyclictest3673267-21sed09:55:162
3503926991915,2cyclictest3672496-21cron09:55:002
350392699190,1cyclictest0-21swapper/212:35:192
3503923991916,2cyclictest0-21swapper/107:10:111
350392399190,1cyclictest0-21swapper/111:10:121
350392399190,1cyclictest0-21swapper/109:20:011
3503921991918,1cyclictest3708258-21ntpq10:25:190
3503921991918,1cyclictest0-21swapper/008:05:480
3503921991917,1cyclictest64-21kcompactd007:32:280
3503921991917,1cyclictest0-21swapper/012:20:120
3503921991917,1cyclictest0-21swapper/010:59:260
3503921991916,2cyclictest3832002-21apt-get12:30:110
3503921991914,3cyclictest3626416-21cron09:10:000
350392199190,1cyclictest0-21swapper/008:25:100
350392199190,1cyclictest0-21swapper/008:10:130
350392199190,18cyclictest3837571-21grep12:35:170
3503931991815,1cyclictest0-21swapper/308:55:113
3503926991816,1cyclictest0-21swapper/212:05:122
3503926991816,1cyclictest0-21swapper/208:50:132
3503926991812,4cyclictest3560468-21chrt08:05:102
350392699180,1cyclictest0-21swapper/209:15:122
3503923991816,1cyclictest64-21kcompactd009:05:281
3503923991816,1cyclictest0-21swapper/111:25:111
3503923991816,1cyclictest0-21swapper/111:25:111
3503923991816,1cyclictest0-21swapper/109:35:111
3503921991816,1cyclictest0-21swapper/010:33:050
3503931991714,2cyclictest0-21swapper/309:05:003
3503926991715,1cyclictest0-21swapper/208:15:122
3503923991715,1cyclictest3605821-21apt-config08:50:011
3503921991716,1cyclictest0-21swapper/011:56:250
3503921991714,2cyclictest3786112-21munin-plugin-st11:44:590
3503921991714,2cyclictest3535093-21apt-get07:40:090
3503931991611,4cyclictest3656003-21runrttasks09:35:203
3503926991613,2cyclictest3595930-21sshd08:40:122
3503926991612,2cyclictest3776708-21ps11:35:152
3503923991614,1cyclictest0-21swapper/110:50:131
3503923991613,2cyclictest3571071-21sed08:15:171
350392399160,1cyclictest0-21swapper/110:00:191
3503921991614,1cyclictest0-21swapper/011:00:100
3503921991613,2cyclictest61650irq/133-enp0s29f1:rx-009:30:130
3503921991612,3cyclictest61650irq/133-enp0s29f1:rx-010:50:130
3503931991511,2cyclictest3540471-21tail07:45:143
3503931991510,3cyclictest0-21swapper/309:05:123
3503923991513,1cyclictest3683475-21irqcore10:05:171
3503923991513,1cyclictest0-21swapper/107:50:101
3503921991515,0cyclictest0-21swapper/009:50:120
3503921991512,2cyclictest3750688-21gltestperf11:10:140
3503921991512,2cyclictest3687801-21idleruntime-cro10:10:010
3503931991410,2cyclictest0-21swapper/311:35:153
3503926991411,2cyclictest3724710-21apt-get10:45:132
3503926991411,2cyclictest3716777-21sed10:35:212
3503926991411,2cyclictest3647431-21sed09:30:152
3503926991410,3cyclictest0-21swapper/208:45:142
350392399149,4cyclictest3519107-21cron07:25:001
3503923991411,2cyclictest3509676-21irqcore07:15:151
3503923991410,3cyclictest3606964-21irqcore08:50:171
350392199144,9cyclictest3812692-21kthreadcore12:10:160
3503921991412,1cyclictest0-21swapper/010:45:120
3503921991411,2cyclictest3620911-21unixbench_multi09:00:250
350393199138,4cyclictest3503934-21date07:10:013
350393199136,5cyclictest3514294-21seq07:20:123
3503931991311,1cyclictest0-21swapper/309:45:133
3503923991310,2cyclictest0-21swapper/111:10:001
3503921991311,2cyclictest61650irq/133-enp0s29f1:rx-010:35:190
3503921991310,2cyclictest61650irq/133-enp0s29f1:rx-008:30:110
350393199121,9cyclictest3744935-21latency_hist11:05:013
350392699129,3cyclictest401ktimers/207:45:112
350392699129,1cyclictest0-21swapper/211:25:112
350392699129,1cyclictest0-21swapper/211:25:102
350392699118,2cyclictest0-21swapper/211:30:142
350393199107,2cyclictest3771279-21cpuspeed_turbos11:30:133
350392699105,4cyclictest3503972-21cat07:10:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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