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2026-01-10 - 22:04
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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 Sat Jan 10, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262156099290,24cyclictest3646832-21kworker/u8:2+flush-259:007:40:103
262156099263,20cyclictest2734743-21apt-get09:00:123
262156099262,21cyclictest2663071-21apt-get07:50:123
262156099261,4cyclictest2688114-21sh08:14:593
2621552992621,3cyclictest2750307-21apt-get09:15:121
262155299261,21cyclictest2902569-21apt-get11:45:101
262155299261,21cyclictest2683285-21apt-get08:10:101
2621560992520,3cyclictest2826322-21apt-get10:30:123
262156099251,3cyclictest2636651-21cron07:25:003
262156099251,21cyclictest2785728-21apt-get09:50:123
262156099251,21cyclictest2781146-21sed09:45:153
262156099251,21cyclictest2724633-21apt-get08:50:113
262156099251,20cyclictest2688808-21apt-get08:15:113
262155299252,3cyclictest2866901-21grep11:09:591
262155299251,20cyclictest2714130-21apt-get08:40:141
2621550992523,1cyclictest2942799-21cron12:25:000
262155099252,21cyclictest2851607-21apt-get10:55:120
262155099252,21cyclictest2770546-21apt-get09:35:100
2621550992520,3cyclictest2948105-21apt-get12:30:140
2621550992520,3cyclictest2755089-21idleruntime-cro09:19:590
262155099251,3cyclictest2704022-21apt-get08:30:130
262156099242,3cyclictest0-21swapper/309:15:163
262156099241,3cyclictest2709073-21apt-get08:35:123
262156099241,20cyclictest0-21swapper/312:05:163
262156099241,20cyclictest0-21swapper/312:05:153
262156099241,20cyclictest0-21swapper/311:40:123
262156099241,20cyclictest0-21swapper/310:50:123
262155599242,20cyclictest2693889-21apt-get08:20:122
2621555992421,2cyclictest2917731-21apt-get12:00:112
262155599240,23cyclictest2846257-21cron10:50:012
262155299242,2cyclictest2621765-21apt-get07:10:111
262155299241,20cyclictest2922831-21apt-get12:05:111
262155299241,20cyclictest2922831-21apt-get12:05:111
262155299241,20cyclictest2800982-21apt-get10:05:101
262155299240,4cyclictest2734467-21cron09:00:001
262155299240,21cyclictest2882860-21ps11:25:131
262155299240,20cyclictest0-21swapper/107:25:121
262155099242,2cyclictest2912655-21apt-get11:55:110
2621550992420,2cyclictest2780655-21apt-get09:45:110
2621550992420,2cyclictest2698944-21apt-get08:25:110
2621550992420,2cyclictest2636930-21apt-get07:25:120
262155099241,3cyclictest2932986-21apt-get12:15:120
262155099241,21cyclictest2719581-21apt-get08:45:110
2621560992319,2cyclictest2867263-21apt-get11:10:123
2621560992319,2cyclictest0-21swapper/312:00:103
2621560992319,2cyclictest0-21swapper/309:55:193
2621560992318,3cyclictest2882376-21apt-get11:25:093
262156099231,20cyclictest2831399-21apt-get10:35:133
262156099231,20cyclictest2718896-21apt-get08:45:023
262156099231,20cyclictest0-21swapper/308:30:133
262156099231,19cyclictest2765471-21apt-get09:30:123
262156099230,21cyclictest2862269-21cut11:05:163
262156099230,20cyclictest0-21swapper/309:40:103
262156099230,20cyclictest0-21swapper/309:20:103
262156099230,20cyclictest0-21swapper/308:00:123
262155599232,20cyclictest2795910-21apt-get10:00:152
262155599231,20cyclictest0-21swapper/211:35:102
2621552992319,2cyclictest2760395-21apt-get09:25:131
262155299231,2cyclictest2943074-21apt-get12:25:141
262155299231,20cyclictest2631876-21apt-get07:20:131
262155299230,20cyclictest0-21swapper/110:35:121
262155299230,20cyclictest0-21swapper/109:00:121
2621550992320,2cyclictest2861764-21apt-get11:05:110
2621550992315,1cyclictest191rcu_preempt10:19:560
262155099231,2cyclictest2653397-21ps07:40:140
262155099230,20cyclictest0-21swapper/009:05:000
2621560992219,2cyclictest2642408-21apt-get07:30:133
2621560992219,1cyclictest2647437-21apt-get07:35:113
2621560992219,1cyclictest0-21swapper/308:20:123
2621560992219,1cyclictest0-21swapper/307:15:133
2621560992218,2cyclictest0-21swapper/312:35:133
2621560992218,2cyclictest0-21swapper/311:55:113
262156099221,2cyclictest0-21swapper/310:00:143
262156099221,2cyclictest0-21swapper/308:25:123
262156099220,20cyclictest2821734-21sed10:25:153
262156099220,20cyclictest0-21swapper/308:40:143
262156099220,20cyclictest0-21swapper/308:05:123
2621555992219,2cyclictest0-21swapper/209:00:162
2621555992217,3cyclictest2626820-21apt-get07:15:122
2621555992217,2cyclictest0-21swapper/207:25:122
2621555992216,4cyclictest2866899-21latency_hist11:09:592
2621555992212,2cyclictest191rcu_preempt07:50:122
262155599221,20cyclictest2678209-21apt-get08:05:112
262155599220,20cyclictest2806106-21apt-get10:10:122
2621552992219,2cyclictest2813380-21kthreadcore10:15:161
2621552992218,2cyclictest2927931-21apt-get12:10:111
2621552992218,2cyclictest2770546-21apt-get09:35:101
2621552992217,3cyclictest2887411-21apt-get11:30:131
262155299220,21cyclictest0-21swapper/107:55:011
262155299220,20cyclictest2860821-21modprobe11:00:251
262155299220,19cyclictest0-21swapper/110:50:111
262155299220,19cyclictest0-21swapper/107:45:121
262155299220,18cyclictest0-21swapper/109:55:111
2621550992219,1cyclictest2953159-21apt-get12:35:140
262155099221,20cyclictest211rcuc/008:35:120
262155099220,2cyclictest2744970-21cron09:09:590
262155099220,2cyclictest0-21swapper/008:10:100
262155099220,21cyclictest2908109-21grep11:50:150
2621560992118,2cyclictest0-21swapper/311:35:113
2621560992116,3cyclictest2907623-21apt-get11:50:123
2621560992114,5cyclictest2641935-21apt-key07:30:003
262156099210,3cyclictest2815955-21idleruntime-cro10:20:003
262156099210,2cyclictest0-21swapper/311:30:133
262156099210,1cyclictest0-21swapper/311:20:113
2621555992119,1cyclictest0-21swapper/212:35:132
2621555992119,1cyclictest0-21swapper/212:25:132
2621555992119,1cyclictest0-21swapper/211:50:102
2621555992119,1cyclictest0-21swapper/211:30:132
2621555992119,1cyclictest0-21swapper/209:50:122
2621555992117,3cyclictest2636652-21cron07:25:002
2621555992117,2cyclictest2882115-21basename11:24:592
262155599210,2cyclictest2718047-21ntpq08:40:232
262155599210,20cyclictest2710024-21sed08:35:162
262155599210,1cyclictest0-21swapper/210:25:112
262155599210,19cyclictest261-21systemd-journal09:45:012
2621552992119,1cyclictest2881203-21ntpq11:20:181
2621552992119,1cyclictest0-21swapper/110:25:101
2621552992119,1cyclictest0-21swapper/107:15:121
2621552992118,2cyclictest2745252-21apt-get09:10:111
2621552992118,2cyclictest2652222-21idleruntime-cro07:40:011
2621552992118,1cyclictest0-21swapper/110:10:121
262155299211,1cyclictest2816212-21apt-get10:20:111
262155299210,20cyclictest2896365-21ntpq11:35:191
262155299210,19cyclictest0-21swapper/109:30:121
2621550992119,1cyclictest2872295-21apt-get11:15:120
2621550992119,1cyclictest0-21swapper/010:20:100
2621550992119,1cyclictest0-21swapper/010:00:160
2621550992118,2cyclictest0-21swapper/008:50:100
2621550992117,3cyclictest2886243-21runrttasks11:25:180
2621550992117,3cyclictest0-21swapper/008:40:140
2621550992117,2cyclictest2626541-21cron07:15:000
262155099211,1cyclictest0-21swapper/011:30:130
262155099211,1cyclictest0-21swapper/009:20:090
262155099210,20cyclictest2647161-21cron07:35:000
262155099210,20cyclictest0-21swapper/012:00:100
262155099210,20cyclictest0-21swapper/009:55:200
262155099210,20cyclictest0-21swapper/008:15:110
262155099210,20cyclictest0-21swapper/007:15:120
262155099210,1cyclictest0-21swapper/008:05:120
2621560992018,1cyclictest0-21swapper/310:55:113
2621560992018,1cyclictest0-21swapper/310:40:173
2621560992018,1cyclictest0-21swapper/310:20:123
2621560992017,2cyclictest2856707-21apt-get11:00:113
2621560992017,2cyclictest0-21swapper/312:20:113
2621560992017,1cyclictest0-21swapper/311:15:133
2621560992017,1cyclictest0-21swapper/310:45:113
2621555992017,2cyclictest0-21swapper/207:35:112
262155599200,1cyclictest0-21swapper/212:05:112
262155599200,1cyclictest0-21swapper/212:05:102
262155599200,1cyclictest0-21swapper/211:00:132
262155599200,1cyclictest0-21swapper/210:35:132
262155599200,1cyclictest0-21swapper/209:55:102
262155599200,1cyclictest0-21swapper/209:05:132
262155599200,1cyclictest0-21swapper/208:55:102
262155599200,19cyclictest2836452-21apt-get10:40:132
262155599200,19cyclictest0-21swapper/212:30:142
262155599200,19cyclictest0-21swapper/212:20:112
262155599200,19cyclictest0-21swapper/211:10:022
262155599200,19cyclictest0-21swapper/208:45:112
262155599200,19cyclictest0-21swapper/208:10:102
262155599200,19cyclictest0-21swapper/208:00:122
2621552992018,1cyclictest0-21swapper/109:20:101
2621552992018,1cyclictest0-21swapper/108:20:121
2621552992017,1cyclictest0-21swapper/112:30:141
262155299200,1cyclictest0-21swapper/111:55:111
262155299200,1cyclictest0-21swapper/110:40:121
262155299200,1cyclictest0-21swapper/108:15:011
262155299200,19cyclictest2784470-21taskset09:45:181
2621550992018,1cyclictest0-21swapper/011:00:120
2621550992018,1cyclictest0-21swapper/010:10:120
2621550992018,1cyclictest0-21swapper/009:10:120
2621550992017,2cyclictest0-21swapper/011:35:110
2621550992017,2cyclictest0-21swapper/007:35:120
2621550992016,3cyclictest2906434-21ntpq11:45:190
2621550992016,2cyclictest2668124-21apt-get07:55:110
262155099200,1cyclictest0-21swapper/007:50:120
262155099200,19cyclictest0-21swapper/010:05:100
262155099200,19cyclictest0-21swapper/008:00:120
2621560991917,1cyclictest0-21swapper/307:10:113
2621555991917,1cyclictest0-21swapper/207:30:122
2621552991917,1cyclictest0-21swapper/111:20:001
2621550991917,1cyclictest0-21swapper/010:25:110
2621550991916,2cyclictest2875-21cron09:45:010
2621550991916,2cyclictest0-21swapper/011:40:120
2621550991916,2cyclictest0-21swapper/009:25:130
2621560991816,1cyclictest0-21swapper/307:55:103
2621560991816,1cyclictest0-21swapper/307:45:173
2621555991816,1cyclictest2750049-21munin-run09:15:002
2621555991816,1cyclictest0-21swapper/211:55:112
2621555991816,1cyclictest0-21swapper/210:30:122
2621555991816,1cyclictest0-21swapper/210:20:122
2621555991816,1cyclictest0-21swapper/210:15:102
2621555991816,1cyclictest0-21swapper/209:25:132
262155599180,3cyclictest2856456-21basename11:00:002
2621552991817,1cyclictest0-21swapper/112:00:111
2621552991817,0cyclictest0-21swapper/108:35:121
2621552991816,1cyclictest2656858-21ntpq07:40:191
2621552991816,1cyclictest0-21swapper/111:10:121
2621552991816,1cyclictest0-21swapper/109:05:131
2621552991814,3cyclictest2646198-21needreboot07:30:191
262155099181,6cyclictest2785940-21fschecks_count09:50:130
2621550991816,1cyclictest0-21swapper/007:45:120
2621550991815,2cyclictest2867227-21apt-get11:10:020
2621550991815,2cyclictest2698670-21cron08:25:000
2621550991815,2cyclictest0-21swapper/012:05:110
2621550991815,2cyclictest0-21swapper/012:05:110
2621550991813,4cyclictest261-21systemd-journal10:35:010
2621560991714,2cyclictest2951978-21ntpq12:30:213
2621560991714,2cyclictest2947829-21idleruntime-cro12:30:003
2621560991714,2cyclictest0-21swapper/312:15:003
2621555991715,1cyclictest0-21swapper/207:10:112
2621555991714,2cyclictest2708814-21munin-run08:34:592
2621552991715,1cyclictest0-21swapper/110:55:111
2621552991715,1cyclictest0-21swapper/108:25:111
2621552991713,2cyclictest2800698-21cron10:05:001
262155099173,5cyclictest2838269-21cat10:40:180
2621550991715,1cyclictest0-21swapper/010:45:110
2621550991713,2cyclictest261-21systemd-journal10:54:590
262155099170,6cyclictest2881352-21grep11:20:210
2621560991614,1cyclictest0-21swapper/309:10:113
2621560991613,2cyclictest0-21swapper/311:45:113
2621560991613,2cyclictest0-21swapper/310:05:163
2621560991613,2cyclictest0-21swapper/309:25:123
2621555991614,1cyclictest2872899-21sed11:15:172
2621555991612,2cyclictest2750805-21irqcore09:15:162
2621552991614,1cyclictest0-21swapper/112:15:121
2621552991613,2cyclictest0-21swapper/110:30:131
2621552991612,2cyclictest2953159-21apt-get12:35:131
262155099163,3cyclictest2943646-21sed12:25:180
262155099162,4cyclictest2768180-21cut09:30:180
262155099161,12cyclictest2836329-21cat10:40:000
2621555991513,1cyclictest0-21swapper/207:55:112
2621555991512,1cyclictest0-21swapper/209:35:112
262155599150,5cyclictest2932722-21cron12:15:002
262155299151,12cyclictest2790530-21awk09:55:001
2621552991511,2cyclictest2776098-21irqcore09:40:151
2621550991513,1cyclictest0-21swapper/012:10:120
2621550991512,2cyclictest61650irq/133-enp0s29f1:rx-008:55:110
262155599147,5cyclictest500-21dbus-daemon09:25:012
262155599146,1cyclictest2851346-21munin-run10:55:002
262155599145,2cyclictest191rcu_preempt09:45:152
2621555991412,1cyclictest2897496-21apt-get11:40:122
2621555991411,2cyclictest2689290-21irqcore08:15:152
2621555991410,2cyclictest2658476-21ps07:45:162
262155299148,4cyclictest1-21systemd08:55:001
2621552991412,1cyclictest0-21swapper/108:30:181
262155099142,2cyclictest2635727-21awk07:20:200
262156099130,11cyclictest2810888-21latency_hist10:15:013
2621555991311,1cyclictest2768719-21kthreadcore09:30:182
2621555991311,1cyclictest0-21swapper/210:05:182
2621555991311,1cyclictest0-21swapper/208:50:112
2621555991310,2cyclictest2653205-21gltestperf07:40:132
262155299139,3cyclictest743-21ntpd11:50:201
262155299139,2cyclictest0-21swapper/112:20:121
262155299138,4cyclictest2677060-21grep08:00:211
262155299137,5cyclictest1-21systemd08:10:001
262155299136,5cyclictest261-21systemd-journal08:00:001
2621552991311,1cyclictest2841503-21apt-get10:45:121
262156099128,3cyclictest2730187-21irqcore08:55:143
262155599129,2cyclictest0-21swapper/211:25:152
262155599124,2cyclictest191rcu_preempt11:45:102
262155599120,3cyclictest0-21swapper/212:15:202
262155299121,2cyclictest2621475-21latency_hist07:10:001
262156099119,1cyclictest0-21swapper/312:15:113
262156099115,5cyclictest2740219-21apt-get09:05:133
262156099111,9cyclictest0-21swapper/309:35:133
262156099110,4cyclictest2621608-21cat07:10:003
262155599119,1cyclictest0-21swapper/208:25:112
262155299119,1cyclictest0-21swapper/108:45:101
262155299107,2cyclictest0-21swapper/111:40:251
26215559990,8cyclictest2621711-21cat07:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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