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2026-03-17 - 19:19
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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 Tue Mar 17, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299351699282,21cyclictest3059873-21apt-get08:15:132
299351699271,24cyclictest3284705-21/usr/sbin/munin11:55:242
2993519992622,3cyclictest516-21rs:main3
2993519992619,6cyclictest0-21swapper/309:30:003
2993516992620,3cyclictest3248893-21apt-get11:20:112
299351699261,21cyclictest3238359-21apt-get11:10:112
299351699252,3cyclictest3064905-21apt-get08:20:112
2993516992520,3cyclictest3013900-21apt-get07:30:132
299351699251,21cyclictest3182344-21apt-get10:15:122
299351699251,21cyclictest0-21swapper/207:25:132
299351699251,20cyclictest3253976-21apt-get11:25:142
299351699250,21cyclictest0-21swapper/212:25:132
2993512992519,4cyclictest3197990-21ps10:30:161
299351299250,5cyclictest3135817-21chrt09:25:241
2993509992521,2cyclictest500-21dbus-daemon08:10:000
299350999251,22cyclictest2998759-21apt-get07:15:110
299350999251,20cyclictest3147018-21apt-get09:40:120
299351999242,2cyclictest3269571-21apt-get11:40:143
2993516992420,2cyclictest3325689-21apt-get12:35:112
2993516992419,4cyclictest3115638-21/usr/sbin/munin09:10:002
299351699241,2cyclictest3177289-21apt-get10:10:102
299351699241,2cyclictest0-21swapper/208:10:132
299351699241,20cyclictest0-21swapper/212:00:122
299351699241,20cyclictest0-21swapper/209:25:112
299351699241,20cyclictest0-21swapper/207:50:112
299351699241,20cyclictest0-21swapper/207:15:122
299351699240,20cyclictest0-21swapper/209:15:122
2993512992420,2cyclictest3279675-21apt-get11:50:111
2993512992418,3cyclictest3162177-21apt-get09:55:121
299351299241,21cyclictest3329598-21ntpq12:35:201
299351299241,20cyclictest3208038-21apt-get10:40:111
299351299241,20cyclictest3141986-21apt-get09:35:111
299351299240,23cyclictest3115605-21/usr/sbin/munin09:10:011
2993509992419,4cyclictest3198007-21grep10:30:150
299350999241,2cyclictest3116291-21apt-get09:10:110
299350999241,21cyclictest3264092-21apt-get11:35:100
299350999241,21cyclictest3213116-21apt-get10:45:110
299350999241,21cyclictest3069962-21apt-get08:25:140
299350999241,21cyclictest3054798-21apt-get08:10:130
299350999241,21cyclictest2993731-21apt-get07:10:120
299350999241,20cyclictest64-21kcompactd007:35:070
299350999240,3cyclictest211rcuc/007:50:110
299350999240,22cyclictest3315248-21cron12:25:000
299351999231,2cyclictest3223246-21apt-get10:55:123
299351999230,3cyclictest3115872-21grep09:10:013
299351999230,22cyclictest3222966-21cron10:55:003
299351999230,20cyclictest0-21swapper/310:15:123
299351999230,20cyclictest0-21swapper/308:00:123
2993516992319,2cyclictest3019456-21cut07:35:162
2993516992318,4cyclictest3238108-21grep11:10:002
2993516992318,4cyclictest3238108-21grep11:10:002
299351699231,2cyclictest3085518-21apt-get08:40:122
299351699231,2cyclictest0-21swapper/209:35:152
299351699231,2cyclictest0-21swapper/208:35:112
299351699231,20cyclictest3294861-21apt-get12:05:122
299351699231,20cyclictest3202298-21latency_hist10:35:012
299351699231,20cyclictest0-21swapper/210:20:142
299351699231,20cyclictest0-21swapper/209:40:122
299351699230,20cyclictest0-21swapper/212:20:102
2993512992319,2cyclictest3320602-21apt-get12:30:121
2993512992319,2cyclictest3233306-21apt-get11:05:111
2993512992319,2cyclictest3233306-21apt-get11:05:111
299351299231,1cyclictest3310446-21apt-get12:20:101
2993509992320,2cyclictest3074989-21apt-get08:30:120
2993509992320,2cyclictest0-21swapper/008:00:120
2993509992319,3cyclictest3080466-21apt-get08:35:110
299350999231,2cyclictest64-21kcompactd010:52:280
299350999231,2cyclictest0-21swapper/007:20:120
299350999231,20cyclictest3304714-21munin-run12:15:000
299350999230,3cyclictest3043989-21cron08:00:000
299350999230,20cyclictest3243414-21apt-get11:15:130
2993519992219,2cyclictest3085246-21idleruntime-cro08:40:003
2993519992218,2cyclictest3034135-21apt-get07:50:113
299351999220,20cyclictest0-21swapper/308:15:123
2993516992219,2cyclictest0-21swapper/211:35:192
2993516992219,2cyclictest0-21swapper/208:50:092
2993516992219,2cyclictest0-21swapper/208:30:122
2993516992219,1cyclictest0-21swapper/210:00:112
2993516992217,3cyclictest2998484-21cron07:15:002
299351699221,2cyclictest3172238-21apt-get10:05:112
299351699221,2cyclictest3157124-21apt-get09:50:122
299351699221,20cyclictest3232162-21ntpq11:00:212
299351699221,20cyclictest0-21swapper/209:48:272
299351699221,20cyclictest0-21swapper/209:10:112
299351699220,2cyclictest0-21swapper/207:20:122
299351699220,21cyclictest3044767-21tr08:00:162
299351699220,20cyclictest3269574-21chrt11:40:142
299351699220,20cyclictest0-21swapper/210:55:132
2993512992219,1cyclictest0-21swapper/109:40:121
2993512992219,1cyclictest0-21swapper/107:15:121
2993512992218,1cyclictest3304967-21apt-get12:15:121
299351299221,20cyclictest3130304-21ntpq09:20:211
299351299221,20cyclictest261-21systemd-journal12:05:011
299351299221,20cyclictest0-21swapper/109:34:291
299351299221,1cyclictest3044266-21apt-get08:00:111
299351299220,19cyclictest3095601-21apt-get08:50:091
299351299220,18cyclictest0-21swapper/110:05:121
2993509992220,1cyclictest0-21swapper/009:30:130
2993509992219,2cyclictest0-21swapper/011:10:110
2993509992217,2cyclictest0-21swapper/010:40:110
299350999221,2cyclictest3228274-21apt-get11:00:110
299350999221,2cyclictest0-21swapper/010:10:100
299350999221,20cyclictest64-21kcompactd009:15:400
299350999221,19cyclictest3207760-21cron10:40:000
299350999220,3cyclictest3285221-21cut11:55:170
299350999220,2cyclictest64-21kcompactd011:05:540
299350999220,2cyclictest64-21kcompactd011:05:530
299350999220,2cyclictest3274347-21cron11:45:000
299350999220,20cyclictest3105736-21apt-get09:00:130
299350999220,20cyclictest0-21swapper/010:20:090
299350999220,20cyclictest0-21swapper/009:05:170
2993519992119,1cyclictest0-21swapper/309:50:113
2993519992119,1cyclictest0-21swapper/309:45:143
2993519992118,1cyclictest0-21swapper/311:50:113
2993519992118,1cyclictest0-21swapper/311:30:103
299351999210,1cyclictest3310412-21apt-get12:20:023
299351999210,19cyclictest3106150-21taskset09:00:163
299351999210,19cyclictest0-21swapper/310:05:113
299351999210,19cyclictest0-21swapper/309:55:123
299351999210,18cyclictest0-21swapper/312:35:113
299351999210,18cyclictest0-21swapper/310:20:093
2993516992119,1cyclictest0-21swapper/209:30:112
2993516992118,2cyclictest0-21swapper/212:32:292
2993516992118,2cyclictest0-21swapper/207:45:122
2993516992117,2cyclictest0-21swapper/210:45:122
299351699211,19cyclictest3101183-21grep08:55:182
299351699210,19cyclictest3207791-21basename10:40:002
299351699210,19cyclictest0-21swapper/208:45:182
2993512992119,1cyclictest64-21kcompactd011:55:551
2993512992119,1cyclictest0-21swapper/110:20:091
2993512992119,1cyclictest0-21swapper/109:50:121
2993512992119,1cyclictest0-21swapper/108:10:131
2993512992118,1cyclictest0-21swapper/111:30:101
299351299211,19cyclictest3008572-21sh07:25:001
299351299210,3cyclictest3242288-21ntpq11:10:191
299351299210,20cyclictest3304695-21ls12:15:001
299351299210,20cyclictest3086014-21ps08:40:161
299351299210,20cyclictest3054124-21awk08:10:001
299351299210,1cyclictest3069965-21taskset08:25:141
299351299210,1cyclictest3029083-21apt-get07:45:121
299351299210,19cyclictest0-21swapper/108:30:131
299351299210,19cyclictest0-21swapper/108:15:121
299351299210,18cyclictest3018953-21apt-get07:35:121
2993509992119,1cyclictest0-21swapper/011:45:430
2993509992119,1cyclictest0-21swapper/010:05:110
2993509992119,1cyclictest0-21swapper/008:15:120
299350999210,20cyclictest64-21kcompactd008:22:580
299350999210,20cyclictest64-21kcompactd007:32:580
299350999210,20cyclictest0-21swapper/009:37:100
299350999210,20cyclictest0-21swapper/008:40:110
299350999210,1cyclictest0-21swapper/011:50:110
2993519992018,1cyclictest0-21swapper/309:33:243
2993519992018,1cyclictest0-21swapper/308:40:123
2993519992017,2cyclictest500-21dbus-daemon12:20:013
2993519992017,1cyclictest0-21swapper/311:05:113
2993519992017,1cyclictest0-21swapper/311:05:113
2993519992016,2cyclictest0-21swapper/309:35:123
299351999200,2cyclictest3018676-21cron07:35:003
299351999200,1cyclictest3013626-21idleruntime-cro07:30:003
299351999200,1cyclictest0-21swapper/312:00:113
299351999200,1cyclictest0-21swapper/311:35:103
299351999200,1cyclictest0-21swapper/311:20:113
299351999200,1cyclictest0-21swapper/310:45:113
299351999200,1cyclictest0-21swapper/309:10:113
299351999200,1cyclictest0-21swapper/307:10:133
299351999200,19cyclictest3054119-21/usr/sbin/munin08:10:003
2993516992017,2cyclictest0-21swapper/212:10:122
2993516992015,3cyclictest3259058-21apt-get11:30:102
299351699200,1cyclictest0-21swapper/211:15:122
299351699200,1cyclictest0-21swapper/210:25:222
2993512992018,1cyclictest3039213-21apt-get07:55:121
2993512992018,1cyclictest3024007-21apt-get07:40:121
2993512992018,1cyclictest0-21swapper/110:10:101
2993512992018,1cyclictest0-21swapper/109:10:111
2993512992018,1cyclictest0-21swapper/108:45:131
2993512992018,1cyclictest0-21swapper/108:35:121
2993512992017,2cyclictest1-21systemd09:20:001
2993512992017,2cyclictest0-21swapper/110:45:121
299351299200,1cyclictest0-21swapper/110:55:131
299351299200,1cyclictest0-21swapper/107:30:131
299351299200,1cyclictest0-21swapper/107:25:131
299351299200,19cyclictest3266307-21ps11:35:161
2993509992018,1cyclictest3309782-21https12:20:010
2993509992018,1cyclictest0-21swapper/012:30:120
2993509992018,1cyclictest0-21swapper/011:25:130
2993509992015,3cyclictest3290294-21grep12:00:170
2993509992015,3cyclictest3187124-21cron10:19:590
299350999200,19cyclictest0-21swapper/012:25:120
299350999200,19cyclictest0-21swapper/012:05:210
2993519991918,1cyclictest0-21swapper/309:24:483
2993519991917,1cyclictest0-21swapper/312:30:123
2993519991917,1cyclictest0-21swapper/309:40:123
2993519991917,1cyclictest0-21swapper/307:20:213
299351999190,1cyclictest0-21swapper/308:50:093
299351999190,19cyclictest0-21swapper/311:48:233
299351999190,18cyclictest0-21swapper/309:15:213
299351999190,18cyclictest0-21swapper/307:40:123
2993516991916,2cyclictest3162664-21grep09:55:162
2993516991916,2cyclictest0-21swapper/208:25:142
2993516991916,1cyclictest0-21swapper/212:15:122
2993512991916,2cyclictest3257883-21ntpq11:25:211
2993512991915,2cyclictest0-21swapper/108:20:111
299351299190,1cyclictest0-21swapper/110:50:111
299351299190,18cyclictest0-21swapper/111:20:111
2993509991918,1cyclictest0-21swapper/010:00:160
2993509991917,1cyclictest0-21swapper/007:44:480
2993509991916,2cyclictest0-21swapper/009:55:120
299350999190,1cyclictest0-21swapper/012:35:160
2993516991815,2cyclictest0-21swapper/209:00:132
2993516991813,3cyclictest3274622-21apt-get11:45:122
2993516991812,3cyclictest0-21swapper/208:05:112
2993512991817,0cyclictest0-21swapper/112:25:121
2993512991816,1cyclictest64-21kcompactd007:50:101
2993509991816,1cyclictest0-21swapper/007:45:210
2993519991716,0cyclictest0-21swapper/308:48:463
2993519991715,1cyclictest0-21swapper/311:10:113
2993519991715,1cyclictest0-21swapper/310:40:113
2993519991715,1cyclictest0-21swapper/308:30:133
2993519991715,1cyclictest0-21swapper/307:45:123
2993519991714,2cyclictest3207761-21cron10:40:003
2993519991714,2cyclictest3171984-21munin-run10:04:593
2993519991712,3cyclictest2998833-21cpuspeed_turbos07:15:123
2993516991715,1cyclictest0-21swapper/207:55:102
2993516991713,3cyclictest3208380-21gltestperf10:40:142
2993512991715,1cyclictest0-21swapper/111:00:111
2993512991714,2cyclictest3245628-21kthreadcore11:15:191
2993509991714,2cyclictest3131940-21ps09:25:160
2993509991713,3cyclictest61650irq/133-enp0s29f1:rx-010:25:250
2993509991713,3cyclictest61650irq/133-enp0s29f1:rx-009:50:160
2993509991713,3cyclictest61650irq/133-enp0s29f1:rx-009:20:220
2993519991614,1cyclictest64-21kcompactd008:10:353
2993519991614,1cyclictest0-21swapper/311:55:133
2993519991614,1cyclictest0-21swapper/310:29:523
2993519991613,2cyclictest3233027-21cron11:05:013
2993516991613,1cyclictest0-21swapper/211:50:122
299351699160,9cyclictest3028829-21latency_hist07:44:592
2993512991614,1cyclictest0-21swapper/111:45:121
2993512991614,1cyclictest0-21swapper/107:10:111
2993509991613,2cyclictest61650irq/133-enp0s29f1:rx-009:45:180
2993509991613,2cyclictest61650irq/133-enp0s29f1:rx-008:45:180
2993509991612,2cyclictest0-21swapper/010:55:120
2993509991611,3cyclictest3008848-21apt-get07:25:130
2993519991513,1cyclictest3304691-21cron12:15:013
2993519991513,1cyclictest0-21swapper/308:25:133
2993516991511,3cyclictest3130719-21unixbench_multi09:20:242
2993516991511,2cyclictest0-21swapper/210:50:212
2993512991513,1cyclictest3203410-21/usr/sbin/munin10:35:141
2993512991512,2cyclictest3270062-21irqcore11:40:171
2993512991512,2cyclictest3167472-21gltestperf10:00:141
2993512991512,2cyclictest3152159-21cpuspeed_turbos09:45:151
2993509991513,1cyclictest0-21swapper/011:30:100
2993509991512,2cyclictest3096102-21irqcore08:50:130
2993509991511,3cyclictest61650irq/133-enp0s29f1:rx-008:55:150
299351999149,4cyclictest3069681-21cron08:25:003
2993519991412,1cyclictest0-21swapper/312:25:143
2993519991412,1cyclictest0-21swapper/310:14:163
2993519991411,1cyclictest0-21swapper/310:35:013
2993519991410,3cyclictest491ktimers/307:55:113
2993512991412,1cyclictest64-21kcompactd010:28:471
2993512991412,1cyclictest0-21swapper/112:05:121
299351299140,13cyclictest0-21swapper/109:00:171
2993519991311,1cyclictest0-21swapper/307:35:123
2993519991310,2cyclictest0-21swapper/311:30:013
2993519991310,2cyclictest0-21swapper/309:00:003
299351699116,3cyclictest2993445-21latency_hist07:10:012
2993512991110,1cyclictest0-21swapper/110:15:131
299350999110,10cyclictest0-21swapper/011:20:000
29935129990,2cyclictest191rcu_preempt08:55:151
29935199984,3cyclictest2993652-21date07:10:013
29935129960,4cyclictest2993517-21cut07:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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