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2026-08-19 - 23:20
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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 highest latencies:
System rackeslot4.osadl.org (updated Wed Aug 19, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2778301993226,4cyclictest2982409-21seq10:30:112
277829999272,21cyclictest2951987-21apt-get10:00:121
277830199262,21cyclictest0-21swapper/212:00:172
277830199261,5cyclictest3095133-21sort12:20:172
277830199261,21cyclictest2987477-21apt-get10:35:122
277830199261,21cyclictest2778510-21apt-get07:10:112
277830199260,23cyclictest3002825-21dpkg10:50:002
277830199260,23cyclictest2937294-21irqcore09:45:182
2778305992523,1cyclictest0-21swapper/310:25:213
277830599252,21cyclictest2921589-21apt-get09:30:133
277830599251,22cyclictest3053548-21apt-get11:37:553
2778301992520,3cyclictest3023534-21apt-get11:10:132
2778301992519,3cyclictest2967196-21apt-get10:15:132
277830199251,21cyclictest2896262-21apt-get09:05:132
277830199251,21cyclictest0-21swapper/211:30:112
277830199251,20cyclictest2824317-21apt-get07:55:112
277830199251,20cyclictest0-21swapper/210:10:122
277829999252,20cyclictest3074392-21apt-get12:00:131
277829599252,21cyclictest3084525-21apt-get12:10:120
2778305992422,1cyclictest0-21swapper/309:15:133
2778305992422,1cyclictest0-21swapper/309:00:113
2778305992420,2cyclictest3064273-21apt-get11:50:113
277830599241,21cyclictest2890469-21sh08:59:593
277830599240,22cyclictest2906102-21cron09:14:593
2778301992420,2cyclictest3069344-21apt-get11:55:132
2778301992420,2cyclictest2946917-21apt-get09:55:132
2778301992419,4cyclictest3053577-21apt-get11:37:582
277830199241,2cyclictest2819222-21apt-get07:50:112
277830199241,21cyclictest3777322-21systemd-journal07:20:002
277830199241,20cyclictest3038722-21apt-get11:25:132
277830199241,20cyclictest2859904-21apt-get08:30:112
277830199241,20cyclictest0-21swapper/209:10:122
277830199241,19cyclictest2890743-21apt-get09:00:112
277830199240,4cyclictest3029107-21tr11:15:172
277830199240,22cyclictest3085004-21taskset12:10:162
277829999241,3cyclictest2996470-21ntpq10:40:211
277829999241,2cyclictest2793850-21apt-get07:25:111
277829999241,2cyclictest2793850-21apt-get07:25:111
277829999240,4cyclictest2849443-21cron08:20:001
277829999240,21cyclictest2962614-21grep10:10:171
277829599242,2cyclictest2911451-21apt-get09:20:130
2778295992421,2cyclictest2803991-21apt-get07:35:140
2778295992420,2cyclictest2844599-21apt-get08:15:130
277829599241,2cyclictest3053568-21apt-get11:37:560
277829599241,21cyclictest2880584-21apt-get08:50:130
277829599240,4cyclictest3075342-21sed12:00:200
277830599233,18cyclictest481rcuc/310:14:593
2778305992320,2cyclictest2997645-21apt-get10:45:133
2778305992319,2cyclictest2992573-21apt-get10:40:123
2778305992316,5cyclictest3079179-21cron12:04:593
2778305992313,4cyclictest191rcu_preempt08:40:003
277830599231,2cyclictest2926663-21apt-get09:35:133
277830599231,2cyclictest0-21swapper/310:00:133
277830599231,20cyclictest2803991-21apt-get07:35:123
277830599230,3cyclictest2819711-21sed07:50:153
277830599230,22cyclictest3094642-21apt-get12:20:133
277830599230,21cyclictest2854535-21cron08:25:003
2778301992319,2cyclictest2839503-21apt-get08:10:122
2778301992318,4cyclictest2814112-21taskset07:45:122
2778301992318,3cyclictest3054072-21apt-get11:40:142
2778301992315,7cyclictest2798644-21cron07:30:002
2778301992315,7cyclictest2798644-21cron07:30:002
277830199231,3cyclictest3104780-21apt-get12:30:122
277830199231,2cyclictest3013371-21apt-get11:00:122
277830199231,2cyclictest2788736-21apt-get07:20:142
277830199230,4cyclictest2993521-21ps10:40:182
277830199230,21cyclictest2808761-21cron07:40:002
277830199230,20cyclictest0-21swapper/210:20:132
277830199230,20cyclictest0-21swapper/209:40:112
277830199230,20cyclictest0-21swapper/208:05:122
277829999231,21cyclictest3015605-21ps11:00:181
277829999231,20cyclictest2901332-21apt-get09:10:121
277829999230,19cyclictest0-21swapper/108:00:121
277829599232,20cyclictest2982406-21apt-get10:30:110
277829599232,20cyclictest2941846-21apt-get09:50:110
277829599231,20cyclictest2972245-21apt-get10:20:120
277829599230,2cyclictest2901075-21munin-run09:10:000
277829599230,21cyclictest3008759-21grep10:55:190
2778305992219,2cyclictest0-21swapper/311:30:013
2778305992219,2cyclictest0-21swapper/310:55:133
2778305992217,4cyclictest2845102-21cut08:15:183
277830599221,2cyclictest0-21swapper/307:15:183
277830599221,20cyclictest2854814-21apt-get08:25:123
277830599221,20cyclictest0-21swapper/309:50:103
277830599220,20cyclictest0-21swapper/311:10:123
277830599220,20cyclictest0-21swapper/309:20:133
2778301992219,2cyclictest0-21swapper/208:50:132
2778301992218,3cyclictest3094365-21cron12:19:592
277830199220,2cyclictest2799412-21tr07:30:162
277830199220,20cyclictest2854557-21munin-run08:25:002
277830199220,19cyclictest0-21swapper/212:05:122
277830199220,19cyclictest0-21swapper/208:35:122
277829999229,11cyclictest3099456-21cron12:25:001
2778299992219,2cyclictest702-21runrttasks11:45:091
2778299992219,2cyclictest3043792-21apt-get11:30:111
2778299992219,2cyclictest2931454-21cron09:40:001
2778299992219,1cyclictest0-21swapper/109:20:131
2778299992219,1cyclictest0-21swapper/107:55:111
2778299992218,2cyclictest3033675-21apt-get11:20:131
2778299992218,2cyclictest2809521-21irqcore07:40:171
2778299992218,2cyclictest0-21swapper/108:05:131
277829999221,2cyclictest3003161-21apt-get10:50:111
277829999221,20cyclictest3054559-21sed11:40:181
277829999220,3cyclictest2987965-21sed10:35:161
277829999220,3cyclictest0-21swapper/112:05:111
277829999220,2cyclictest0-21swapper/107:30:121
277829999220,21cyclictest3039218-21ps11:25:171
277829999220,20cyclictest2957576-21ps10:05:171
277829999220,19cyclictest0-21swapper/112:35:121
277829999220,19cyclictest0-21swapper/110:30:111
277829999220,19cyclictest0-21swapper/110:20:121
277829999220,19cyclictest0-21swapper/108:25:121
2778295992219,2cyclictest3094366-21cron12:20:000
2778295992219,2cyclictest2885676-21apt-get08:55:120
2778295992219,2cyclictest2783616-21apt-get07:15:110
2778295992218,3cyclictest2814604-21ps07:45:160
2778295992218,2cyclictest3043792-21apt-get11:30:110
2778295992216,5cyclictest3059688-21ps11:45:130
277829599221,2cyclictest2870444-21apt-get08:40:120
277829599221,2cyclictest0-21swapper/008:00:130
277829599221,20cyclictest0-21swapper/012:30:130
277829599221,1cyclictest2931733-21apt-get09:40:130
277829599220,3cyclictest3034599-21cut11:20:170
277829599220,2cyclictest0-21swapper/010:25:110
277829599220,21cyclictest3024487-21sort11:10:180
277829599220,20cyclictest2854539-21idleruntime-cro08:25:010
277830599212,18cyclictest0-21swapper/310:32:383
2778305992119,1cyclictest2957080-21apt-get10:05:133
2778305992119,1cyclictest0-21swapper/311:20:133
2778305992119,1cyclictest0-21swapper/310:50:113
2778305992119,1cyclictest0-21swapper/309:25:133
2778305992119,1cyclictest0-21swapper/308:05:123
2778305992118,2cyclictest481rcuc/310:35:163
2778305992118,2cyclictest3059204-21apt-get11:45:093
2778305992118,2cyclictest0-21swapper/312:15:223
2778305992118,2cyclictest0-21swapper/308:45:133
2778305992117,2cyclictest3109893-21apt-get12:35:123
277830599211,1cyclictest0-21swapper/311:05:123
277830599211,1cyclictest0-21swapper/308:00:133
277830599210,2cyclictest0-21swapper/309:05:143
2778301992119,1cyclictest0-21swapper/211:45:092
2778301992119,1cyclictest0-21swapper/208:45:122
2778301992119,1cyclictest0-21swapper/207:40:122
2778301992118,2cyclictest0-21swapper/210:00:122
277830199210,20cyclictest2859668-21unin-run08:30:002
277830199210,20cyclictest0-21swapper/211:52:112
277830199210,20cyclictest0-21swapper/211:05:202
277830199210,20cyclictest0-21swapper/210:50:112
277830199210,20cyclictest0-21swapper/209:50:422
277830199210,20cyclictest0-21swapper/209:17:212
2778299992119,1cyclictest0-21swapper/110:30:011
2778299992119,1cyclictest0-21swapper/110:15:141
2778299992119,1cyclictest0-21swapper/109:00:091
2778299992118,2cyclictest0-21swapper/111:35:121
2778299992118,1cyclictest0-21swapper/107:50:121
277829999211,1cyclictest0-21swapper/107:20:121
277829999210,20cyclictest2921313-21cron09:29:591
277829999210,20cyclictest0-21swapper/109:45:131
277829999210,1cyclictest0-21swapper/108:35:121
277829999210,19cyclictest2942329-21irqcore09:50:141
277829999210,19cyclictest0-21swapper/109:15:121
2778295992119,1cyclictest0-21swapper/011:25:130
2778295992119,1cyclictest0-21swapper/009:30:120
2778295992118,2cyclictest3054323-21taskset11:40:160
2778295992118,2cyclictest2809037-21apt-get07:40:110
2778295992117,2cyclictest2794354-21irqcore07:25:160
2778295992117,2cyclictest2794354-21irqcore07:25:160
2778295992113,2cyclictest191rcu_preempt07:25:000
277829599210,20cyclictest0-21swapper/012:25:130
277829599210,20cyclictest0-21swapper/007:50:120
277829599210,1cyclictest0-21swapper/012:35:120
277830599204,3cyclictest3085856-21tr12:10:173
2778305992018,2cyclictest0-21swapper/312:08:513
2778305992018,1cyclictest0-21swapper/311:34:593
2778305992018,1cyclictest0-21swapper/309:58:453
2778305992018,1cyclictest0-21swapper/309:45:153
2778305992017,2cyclictest64-21kcompactd010:15:583
2778305992017,2cyclictest50-21ksoftirqd/311:40:143
2778305992016,2cyclictest2789236-21sed07:20:183
2778305992015,4cyclictest3071552-21ps11:55:193
277830599200,1cyclictest0-21swapper/309:40:123
277830599200,19cyclictest0-21swapper/310:20:173
277830599200,19cyclictest0-21swapper/308:50:113
2778301992018,1cyclictest0-21swapper/209:28:062
2778301992018,1cyclictest0-21swapper/208:41:522
2778301992017,2cyclictest2848561-21taskset08:15:222
2778301992015,3cyclictest3099733-21apt-get12:25:122
2778301992013,5cyclictest2957563-21irqcore10:05:172
277830199200,1cyclictest0-21swapper/210:55:142
2778299992019,1cyclictest64-21kcompactd009:08:141
2778299992018,1cyclictest0-21swapper/112:25:131
2778299992018,1cyclictest0-21swapper/112:10:131
2778299992018,1cyclictest0-21swapper/111:05:121
2778299992018,1cyclictest0-21swapper/108:59:591
2778299992018,1cyclictest0-21swapper/108:30:111
2778299992018,1cyclictest0-21swapper/107:45:121
2778299992018,1cyclictest0-21swapper/107:10:121
2778299992017,2cyclictest2935622-21ntpq09:40:201
277829999200,19cyclictest0-21swapper/111:18:181
2778295992018,1cyclictest0-21swapper/011:00:120
2778295992018,1cyclictest0-21swapper/010:45:000
2778295992018,1cyclictest0-21swapper/010:35:120
2778295992018,1cyclictest0-21swapper/008:25:130
2778295992017,2cyclictest28907482sleep009:00:110
277829599200,2cyclictest0-21swapper/008:10:110
277829599200,1cyclictest0-21swapper/011:50:110
277829599200,1cyclictest0-21swapper/011:05:120
277829599200,1cyclictest0-21swapper/009:35:130
277829599200,1cyclictest0-21swapper/009:25:130
277829599200,1cyclictest0-21swapper/008:45:120
277829599200,19cyclictest0-21swapper/011:15:120
277829599200,19cyclictest0-21swapper/010:10:210
2778305991914,3cyclictest3777322-21systemd-journal08:35:013
2778305991910,1cyclictest0-21swapper/307:30:183
2778301991917,1cyclictest0-21swapper/209:21:082
2778301991916,1cyclictest2829365-21apt-get08:00:122
2778299991917,1cyclictest0-21swapper/108:40:031
2778299991917,1cyclictest0-21swapper/107:35:131
2778299991915,2cyclictest3091807-21kthreadcore12:15:181
2778295991917,1cyclictest0-21swapper/007:30:110
2778295991916,2cyclictest3098554-21ntpq12:20:210
277830599189,4cyclictest0-21swapper/307:45:253
2778305991817,1cyclictest64-21kcompactd012:31:253
2778305991816,1cyclictest0-21swapper/307:55:203
2778299991816,1cyclictest0-21swapper/108:10:121
2778299991815,2cyclictest2947418-21irqcore09:55:171
2778299991815,2cyclictest0-21swapper/111:55:131
277829999180,1cyclictest0-21swapper/110:50:001
2778295991815,2cyclictest2997648-21taskset10:45:130
2778295991815,2cyclictest2957080-21apt-get10:05:130
2778295991815,2cyclictest0-21swapper/007:55:110
2778295991814,3cyclictest61650irq/133-enp0s29f1:rx-008:05:130
2778305991716,1cyclictest0-21swapper/308:40:113
2778305991715,1cyclictest0-21swapper/312:25:123
2778305991714,2cyclictest64-21kcompactd007:44:213
277830599170,17cyclictest0-21swapper/311:05:003
2778301991715,1cyclictest0-21swapper/208:56:232
2778299991715,1cyclictest0-21swapper/111:50:351
2778299991714,2cyclictest3023534-21apt-get11:10:131
2778295991715,1cyclictest64-21kcompactd009:46:550
2778295991714,2cyclictest61650irq/133-enp0s29f1:rx-011:56:240
277830599168,5cyclictest0-21swapper/311:15:173
2778305991613,2cyclictest0-21swapper/307:10:123
2778299991614,1cyclictest0-21swapper/112:33:031
2778295991614,1cyclictest0-21swapper/010:15:140
2778295991614,1cyclictest0-21swapper/007:10:120
2778295991613,2cyclictest516-21rs:main0
2778295991612,3cyclictest61650irq/133-enp0s29f1:rx-009:15:170
2778295991612,3cyclictest2869745-21cron08:40:010
277830599158,2cyclictest191rcu_preempt07:25:163
277830599158,2cyclictest191rcu_preempt07:25:163
277830599150,4cyclictest2843439-21collect208:10:203
2778301991514,1cyclictest0-21swapper/209:30:122
2778301991513,1cyclictest0-21swapper/211:22:372
2778301991513,1cyclictest0-21swapper/209:35:132
2778299991513,1cyclictest0-21swapper/108:50:131
2778299991513,1cyclictest0-21swapper/108:20:131
277829599151,3cyclictest30825131kthreadcore12:05:180
2778295991510,3cyclictest61650irq/133-enp0s29f1:rx-009:55:130
2778299991413,1cyclictest0-21swapper/109:34:011
2778299991411,2cyclictest2875856-21gltestperf08:45:151
2778295991412,1cyclictest0-21swapper/010:50:030
2778295991411,2cyclictest61650irq/133-enp0s29f1:rx-010:00:120
2778295991411,2cyclictest61650irq/133-enp0s29f1:rx-008:30:240
2778299991311,1cyclictest0-21swapper/110:55:141
277829999131,10cyclictest2778219-21latency_hist07:10:001
277830199129,2cyclictest0-21swapper/212:35:122
277829999129,2cyclictest514-21in:imuxsock07:20:001
27783059997,1cyclictest0-21swapper/307:10:013
27783019994,4cyclictest2778378-21cat07:10:012
27782959973,3cyclictest17850irq/129-nvme0q107:10:000
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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