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2026-03-13 - 19:54
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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 all highest latencies:
System rackeslot4.osadl.org (updated Fri Mar 13, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
304675799272,21cyclictest3062502-21apt-get07:25:123
3046754992723,3cyclictest3260887-21basename10:39:592
304675799261,22cyclictest3067555-21apt-get07:30:113
304675799261,22cyclictest0-21swapper/309:55:113
304675099265,2cyclictest0-21swapper/111:50:211
304675099262,21cyclictest3306665-21apt-get11:25:111
3046757992521,2cyclictest3311743-21apt-get11:30:113
304675799251,22cyclictest3240165-21cron10:20:013
304675799251,21cyclictest3261136-21apt-get10:40:103
304675799251,21cyclictest3108539-21apt-get08:10:113
304675799251,21cyclictest0-21swapper/312:35:113
304675499251,21cyclictest3301583-21apt-get11:20:112
304675499251,20cyclictest0-21swapper/211:00:112
304675099252,2cyclictest3092857-21apt-get07:55:101
304675799242,2cyclictest3154501-21apt-get08:55:123
3046757992420,3cyclictest0-21swapper/307:40:163
3046757992419,3cyclictest3337044-21apt-get11:55:123
3046757992418,4cyclictest3296479-21apt-get11:15:123
304675799241,21cyclictest3193808-21modprobe09:30:223
304675799241,21cyclictest3159556-21apt-get09:00:133
304675799241,21cyclictest3159556-21apt-get09:00:123
304675799241,20cyclictest3144370-21seq08:45:133
304675799241,20cyclictest0-21swapper/310:35:103
304675799240,21cyclictest0-21swapper/310:05:113
3046754992422,1cyclictest3118596-21awk08:20:012
3046754992419,3cyclictest0-21swapper/208:10:112
304675499241,3cyclictest0-21swapper/209:00:172
304675499241,3cyclictest0-21swapper/209:00:162
304675499241,20cyclictest3347130-21apt-get12:05:102
304675499241,20cyclictest3317297-21ps11:35:162
304675499241,20cyclictest0-21swapper/212:25:132
304675499240,22cyclictest702-21runrttasks09:53:492
3046750992419,3cyclictest3103461-21apt-get08:05:101
3046750992418,4cyclictest3114054-21sort08:15:161
304675099240,4cyclictest3331695-21idleruntime-cro11:50:001
304674799242,2cyclictest3326890-21apt-get11:45:150
304674799242,2cyclictest3113560-21apt-get08:15:110
304674799240,22cyclictest0-21swapper/008:50:130
3046757992318,3cyclictest3170135-21tr09:10:153
304675799231,3cyclictest3174702-21apt-get09:15:123
304675799231,2cyclictest3271224-21apt-get10:50:103
304675799230,21cyclictest3362722-21apt-get12:20:103
304675799230,20cyclictest0-21swapper/310:30:133
304675799230,19cyclictest0-21swapper/309:45:143
3046754992319,3cyclictest3362066-21/usr/sbin/munin12:20:012
3046754992319,2cyclictest3331966-21apt-get11:50:112
3046754992319,2cyclictest3087778-21apt-get07:50:102
3046754992319,2cyclictest0-21swapper/210:10:102
304675499231,2cyclictest3189847-21apt-get09:30:122
304675499231,2cyclictest0-21swapper/207:30:112
304675499231,20cyclictest3240440-21apt-get10:20:102
304675499231,19cyclictest0-21swapper/210:25:102
304675499230,3cyclictest3316526-21sh11:35:002
304675499230,3cyclictest3121405-21runrttasks08:20:152
304675499230,21cyclictest3321830-21apt-get11:40:122
304675499230,21cyclictest3321830-21apt-get11:40:112
304675499230,20cyclictest0-21swapper/210:30:132
304675499230,19cyclictest0-21swapper/211:10:112
3046750992319,2cyclictest3230313-21apt-get10:10:101
3046750992316,5cyclictest3204761-21cron09:45:001
304675099231,2cyclictest3046951-21apt-get07:10:101
304675099231,21cyclictest3087532-21idleruntime-cro07:50:001
304675099231,19cyclictest3184791-21apt-get09:25:111
304675099230,20cyclictest64-21kcompactd010:50:491
304675099230,20cyclictest0-21swapper/108:10:111
304674799232,2cyclictest3316800-21apt-get11:35:120
3046747992320,2cyclictest3052386-21apt-get07:15:110
3046747992319,3cyclictest514-21in:imuxsock11:14:590
3046747992319,3cyclictest3096872-21ntpq07:55:200
3046747992319,2cyclictest261-21systemd-journal11:25:000
304674799231,21cyclictest3077691-21apt-get07:40:110
304674799231,20cyclictest3199958-21apt-get09:40:100
304674799231,20cyclictest3082746-21apt-get07:45:110
304674799231,1cyclictest0-21swapper/007:50:110
304674799230,22cyclictest0-21swapper/011:55:110
304674799230,21cyclictest3194632-21idleruntime-cro09:35:010
304674799230,21cyclictest3098880-21ps08:00:150
304674799230,1cyclictest0-21swapper/011:50:120
304674799230,19cyclictest0-21swapper/011:40:120
304674799230,19cyclictest0-21swapper/011:40:110
3046757992219,2cyclictest0-21swapper/312:15:123
3046757992219,2cyclictest0-21swapper/309:05:113
3046757992218,2cyclictest0-21swapper/312:05:103
304675799221,20cyclictest0-21swapper/310:25:103
304675799221,1cyclictest0-21swapper/312:27:023
304675799221,1cyclictest0-21swapper/312:10:113
304675799220,2cyclictest0-21swapper/311:00:113
3046754992219,2cyclictest0-21swapper/210:40:102
3046754992219,2cyclictest0-21swapper/209:57:022
3046754992219,2cyclictest0-21swapper/208:30:102
3046754992219,1cyclictest0-21swapper/211:45:142
3046754992218,3cyclictest0-21swapper/208:45:122
3046754992218,2cyclictest0-21swapper/211:55:122
304675499221,20cyclictest0-21swapper/208:04:102
304675499221,1cyclictest0-21swapper/207:10:102
304675499220,20cyclictest0-21swapper/209:35:102
3046750992219,2cyclictest3342599-21sed12:00:151
3046750992219,2cyclictest0-21swapper/107:25:121
3046750992218,2cyclictest3306390-21cron11:25:001
304675099221,20cyclictest0-21swapper/108:00:151
304675099221,1cyclictest3194628-21cron09:35:011
304675099221,1cyclictest0-21swapper/107:50:111
304675099220,20cyclictest0-21swapper/108:50:131
304675099220,1cyclictest0-21swapper/111:30:111
304675099220,1cyclictest0-21swapper/109:15:131
304675099220,19cyclictest64-21kcompactd008:46:051
3046747992218,2cyclictest3367481-21cron12:25:000
3046747992218,2cyclictest3245890-21apt-get10:25:020
3046747992217,3cyclictest3316541-21munin-run11:34:590
304674799221,2cyclictest3256058-21apt-get10:35:110
304674799221,2cyclictest3134207-21apt-get08:35:110
304674799221,1cyclictest3119041-21apt-get08:20:110
304674799220,2cyclictest3254917-21ntpq10:30:210
304674799220,21cyclictest0-21swapper/009:00:130
304674799220,21cyclictest0-21swapper/009:00:120
304674799220,20cyclictest3245521-21cp10:25:020
304674799220,20cyclictest0-21swapper/012:20:010
3046757992119,1cyclictest64-21kcompactd011:49:573
3046757992119,1cyclictest0-21swapper/310:47:033
3046757992118,2cyclictest64-21kcompactd007:37:483
3046757992118,2cyclictest0-21swapper/310:10:103
3046757992118,2cyclictest0-21swapper/307:15:113
3046757992118,1cyclictest0-21swapper/312:00:113
3046757992118,1cyclictest0-21swapper/310:55:113
3046757992117,2cyclictest3291424-21apt-get11:10:113
3046757992117,2cyclictest3050799-21ntpq07:10:193
3046757992116,2cyclictest0-21swapper/308:25:133
304675799210,2cyclictest0-21swapper/308:20:103
304675799210,20cyclictest64-21kcompactd011:51:003
304675799210,20cyclictest0-21swapper/309:25:113
304675799210,19cyclictest0-21swapper/308:40:113
3046754992119,1cyclictest0-21swapper/211:28:262
3046754992119,1cyclictest0-21swapper/207:25:122
3046754992118,2cyclictest0-21swapper/209:11:212
3046754992117,2cyclictest3149445-21apt-get08:50:122
3046754992117,2cyclictest3057465-21apt-get07:20:092
3046754992117,2cyclictest0-21swapper/210:15:112
304675499210,20cyclictest0-21swapper/212:35:122
304675499210,1cyclictest0-21swapper/208:25:132
3046750992118,2cyclictest3052389-21taskset07:15:101
3046750992118,2cyclictest0-21swapper/107:45:001
3046750992117,2cyclictest3205040-21apt-get09:45:151
304675099210,2cyclictest64-21kcompactd008:28:521
304675099210,19cyclictest0-21swapper/111:55:121
304675099210,19cyclictest0-21swapper/111:35:121
304675099210,19cyclictest0-21swapper/110:25:021
304675099210,19cyclictest0-21swapper/108:30:091
304675099210,18cyclictest0-21swapper/109:00:131
304675099210,18cyclictest0-21swapper/109:00:121
3046747992119,1cyclictest3194901-21apt-get09:35:090
3046747992119,1cyclictest0-21swapper/011:00:160
3046747992119,1cyclictest0-21swapper/010:10:100
3046747992119,1cyclictest0-21swapper/007:25:120
3046747992118,2cyclictest0-21swapper/011:25:110
3046747992118,2cyclictest0-21swapper/010:00:180
3046747992117,2cyclictest0-21swapper/008:10:110
304674799210,20cyclictest0-21swapper/008:05:110
304674799210,19cyclictest3275180-21ntpq10:50:200
3046757992018,1cyclictest64-21kcompactd007:59:513
3046757992018,1cyclictest0-21swapper/312:30:113
3046757992018,1cyclictest0-21swapper/308:07:223
3046757992017,1cyclictest3134207-21apt-get08:35:103
304675799200,1cyclictest0-21swapper/310:00:493
304675799200,1cyclictest0-21swapper/307:45:193
304675799200,19cyclictest0-21swapper/309:40:113
3046754992018,1cyclictest0-21swapper/210:45:262
3046754992018,1cyclictest0-21swapper/207:40:122
3046754992017,2cyclictest3342600-21grep12:00:152
3046754992017,2cyclictest3134698-21tr08:35:142
3046754992017,2cyclictest0-21swapper/212:20:102
3046754992017,2cyclictest0-21swapper/211:10:002
3046754992016,2cyclictest3356013-21needreboot12:10:182
3046754992016,2cyclictest3179759-21apt-get09:20:112
304675499200,20cyclictest64-21kcompactd007:59:182
304675499200,1cyclictest0-21swapper/207:35:112
3046750992018,1cyclictest64-21kcompactd010:16:571
3046750992018,1cyclictest3240201-21kworker/1:0+events10:35:221
3046750992018,1cyclictest0-21swapper/112:20:111
3046750992018,1cyclictest0-21swapper/111:10:121
3046750992018,1cyclictest0-21swapper/111:05:521
3046750992018,1cyclictest0-21swapper/110:25:021
3046750992018,1cyclictest0-21swapper/110:00:181
3046750992018,1cyclictest0-21swapper/107:35:391
3046750992018,1cyclictest0-21swapper/107:20:091
3046750992017,2cyclictest3165111-21grep09:05:151
304675099200,1cyclictest0-21swapper/111:40:121
304675099200,1cyclictest0-21swapper/111:40:111
304675099200,1cyclictest0-21swapper/109:35:091
304675099200,1cyclictest0-21swapper/108:35:101
304675099200,1cyclictest0-21swapper/108:20:101
304675099200,19cyclictest3362082-21dpkg12:20:011
304675099200,18cyclictest3282287-21sed11:00:161
304675099200,18cyclictest0-21swapper/110:45:221
3046747992018,1cyclictest0-21swapper/012:02:190
3046747992018,1cyclictest0-21swapper/011:05:520
3046747992018,1cyclictest0-21swapper/008:55:120
3046747992018,1cyclictest0-21swapper/007:35:390
3046747992018,1cyclictest0-21swapper/007:20:090
3046747992017,2cyclictest0-21swapper/007:30:110
3046747992017,1cyclictest3352186-21apt-get12:10:100
304674799200,1cyclictest0-21swapper/009:15:130
304674799200,19cyclictest0-21swapper/008:46:050
304674799200,19cyclictest0-21swapper/008:30:090
3046757991916,2cyclictest64-21kcompactd010:24:273
3046757991916,1cyclictest0-21swapper/311:25:113
3046757991911,6cyclictest261-21systemd-journal11:45:003
3046757991911,6cyclictest261-21systemd-journal11:44:593
304675799190,1cyclictest64-21kcompactd011:08:003
3046754991917,1cyclictest0-21swapper/212:30:112
3046754991917,1cyclictest0-21swapper/209:25:102
3046754991917,1cyclictest0-21swapper/208:41:472
3046754991916,1cyclictest0-21swapper/210:50:112
3046754991916,1cyclictest0-21swapper/209:40:102
3046754991914,3cyclictest3179484-21cron09:20:012
3046750991917,1cyclictest3219058-21ntpq09:55:201
3046750991917,1cyclictest0-21swapper/107:30:111
3046750991916,2cyclictest0-21swapper/108:55:111
3046750991915,2cyclictest0-21swapper/109:20:111
3046747991917,1cyclictest0-21swapper/010:16:570
3046747991917,1cyclictest0-21swapper/009:05:100
304674799190,1cyclictest0-21swapper/010:45:220
3046757991815,2cyclictest0-21swapper/308:00:033
304675499180,0cyclictest0-21swapper/208:55:162
3046747991816,1cyclictest0-21swapper/009:45:150
3046747991816,1cyclictest0-21swapper/009:25:100
3046747991816,1cyclictest0-21swapper/007:10:100
3046747991815,2cyclictest0-21swapper/010:05:120
3046747991815,2cyclictest0-21swapper/009:55:110
3046747991815,2cyclictest0-21swapper/009:20:110
3046757991714,2cyclictest0-21swapper/309:50:113
3046754991715,1cyclictest0-21swapper/211:16:052
3046754991715,1cyclictest0-21swapper/207:46:582
3046754991713,2cyclictest3230046-21sh10:10:002
3046750991715,1cyclictest0-21swapper/110:05:111
3046747991713,3cyclictest61650irq/133-enp0s29f1:rx-011:00:000
3046757991613,2cyclictest64-21kcompactd011:36:303
3046757991612,3cyclictest3301715-21cpuspeed_turbos11:20:123
3046757991612,3cyclictest3194977-21cpuspeed_turbos09:35:103
3046757991612,2cyclictest0-21swapper/308:15:123
3046754991613,2cyclictest3057191-21cron07:20:002
3046747991613,2cyclictest61650irq/133-enp0s29f1:rx-012:26:110
3046747991613,2cyclictest61650irq/133-enp0s29f1:rx-010:40:160
3046747991613,2cyclictest61650irq/133-enp0s29f1:rx-009:50:110
3046747991613,2cyclictest0-21swapper/008:30:000
3046747991612,2cyclictest3169993-21cut09:10:130
3046757991513,1cyclictest0-21swapper/308:50:123
3046757991512,2cyclictest0-21swapper/307:20:103
304675499150,15cyclictest0-21swapper/209:05:152
3046750991512,2cyclictest0-21swapper/109:15:001
3046747991513,2cyclictest61650irq/133-enp0s29f1:rx-012:30:230
3046747991512,2cyclictest61650irq/133-enp0s29f1:rx-011:18:590
3046757991410,2cyclictest3129489-21gltestperf08:30:133
3046750991412,1cyclictest0-21swapper/112:10:211
3046750991411,2cyclictest3254870-21ntp_kernel_err10:30:211
3046750991410,3cyclictest3347224-21cpuspeed_turbos12:05:111
3046747991411,2cyclictest61650irq/133-enp0s29f1:rx-008:40:220
304675799136,3cyclictest0-21swapper/307:54:593
304675099139,2cyclictest0-21swapper/109:50:111
304674799139,3cyclictest61650irq/133-enp0s29f1:rx-012:35:110
3046747991310,2cyclictest3347236-21cpuspeed_turbos12:05:110
304675499128,2cyclictest3108272-21latency_hist08:10:002
3046754991210,1cyclictest0-21swapper/209:45:142
304675499118,2cyclictest3223997-21needreboot10:00:162
304675499117,3cyclictest18150irq/131-nvme0q307:10:012
304675099118,1cyclictest3139286-21apt-get08:40:101
304675099110,2cyclictest730-21sshd11:17:211
304675099108,1cyclictest0-21swapper/110:41:391
304675099107,2cyclictest3368099-21sed12:25:151
304675099100,3cyclictest3281076-21latency_hist11:00:001
30467509996,2cyclictest3377959-21cpuspeed_turbos12:35:121
30467509995,3cyclictest3372928-21cut12:30:121
30467509983,3cyclictest3046753-21cut07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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