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2026-07-15 - 01:54
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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 the 376 highest latencies:
System rackeslot4.osadl.org (updated Tue Jul 14, 2026 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2435039993014,4cyclictest2583694-21irqcore09:35:163
243503999292,20cyclictest2486245-21turbostat08:00:013
243503999292,20cyclictest2486245-21turbostat08:00:003
2435039992915,2cyclictest2621321-21kthreadcore10:10:173
243503999291,21cyclictest2751546-21apt-get12:20:133
243503999291,20cyclictest0-21swapper/308:30:123
243503999281,2cyclictest2689333-21ntpq11:15:213
243503999280,2cyclictest0-21swapper/308:10:113
2435039992723,2cyclictest3871586-21snmpd12:35:163
2435039992719,6cyclictest2557884-21apt-get09:10:113
2435039992617,1cyclictest0-21swapper/309:55:133
243503999261,21cyclictest2634266-21apt-get10:25:123
243503999261,20cyclictest64-21kcompactd007:23:503
243503999261,20cyclictest0-21swapper/307:30:113
243503999260,2cyclictest64-21kcompactd010:50:493
2435039992519,1cyclictest0-21swapper/310:35:103
243503999251,22cyclictest2700294-21awk11:30:003
243503999251,20cyclictest0-21swapper/309:25:143
2435036992521,2cyclictest2736397-21apt-get12:05:112
2435036992520,3cyclictest2695511-21apt-get11:25:122
2435036992520,3cyclictest2573057-21apt-get09:25:142
243503699251,20cyclictest0-21swapper/211:50:132
243503699250,23cyclictest2472238-21sed07:45:182
243503699250,23cyclictest2466669-21cut07:40:162
243503499251,22cyclictest2710482-21munin-run11:40:011
243503499251,21cyclictest2674814-21apt-get11:05:121
243503499251,21cyclictest0-21swapper/111:50:131
243503499251,20cyclictest0-21swapper/107:35:121
243502999255,1cyclictest0-21swapper/007:25:140
2435039992420,2cyclictest2741456-21apt-get12:10:133
2435039992420,2cyclictest2639345-21apt-get10:30:133
2435039992420,2cyclictest2639345-21apt-get10:30:123
2435039992420,2cyclictest2547348-21apt-get09:00:113
2435039992419,3cyclictest2440064-21ls07:15:003
243503999241,20cyclictest2629187-21apt-get10:20:113
243503999241,20cyclictest0-21swapper/312:00:123
243503999241,20cyclictest0-21swapper/311:00:123
243503999241,19cyclictest0-21swapper/308:35:113
243503999240,22cyclictest2546174-21grep08:55:223
243503999240,21cyclictest0-21swapper/312:05:113
243503999240,20cyclictest0-21swapper/311:34:223
243503999240,1cyclictest64-21kcompactd009:30:103
2435036992420,2cyclictest2492069-21irqcore08:05:172
243503699241,3cyclictest2510851-21ntpq08:20:212
243503699241,21cyclictest2711124-21apt-get11:40:122
243503699241,20cyclictest0-21swapper/209:15:102
243503499242,2cyclictest2608962-21apt-get10:00:121
243503499240,4cyclictest2536970-21cron08:50:001
243503499240,22cyclictest2435739-21ps07:10:151
243503499240,21cyclictest2522085-21chrt08:35:111
243503499240,20cyclictest2710432-21apt-get11:40:031
2435029992420,2cyclictest2542303-21apt-get08:55:130
2435029992418,4cyclictest2562639-21cron09:15:010
2435039992317,4cyclictest2715901-21cron11:45:003
2435039992317,1cyclictest0-21swapper/311:35:133
2435039992317,1cyclictest0-21swapper/310:40:123
2435039992316,2cyclictest0-21swapper/311:05:123
243503999231,2cyclictest2721233-21apt-get11:50:123
243503999231,20cyclictest0-21swapper/308:20:113
243503999231,19cyclictest0-21swapper/311:20:133
243503999230,3cyclictest2567975-21apt-get09:20:123
243503999230,20cyclictest0-21swapper/307:45:133
243503699232,20cyclictest2567975-21apt-get09:20:122
2435036992319,3cyclictest2481154-21cron07:54:592
2435036992319,2cyclictest2537247-21apt-get08:50:122
243503699231,3cyclictest2603882-21apt-get09:55:122
243503699231,2cyclictest2726767-21ps11:55:172
243503699231,2cyclictest2532194-21apt-get08:45:122
243503699231,2cyclictest0-21swapper/209:05:132
243503699231,21cyclictest2456044-21apt-get07:30:112
243503699231,21cyclictest2445433-21apt-get07:20:122
243503699231,20cyclictest0-21swapper/208:15:122
243503499232,2cyclictest2685374-21apt-get11:15:111
2435034992320,2cyclictest2629187-21apt-get10:20:121
2435034992319,2cyclictest2700566-21apt-get11:30:121
2435034992319,2cyclictest2690457-21apt-get11:20:131
2435034992319,2cyclictest2634266-21apt-get10:25:131
2435034992318,4cyclictest2741176-21cron12:10:001
243503499231,2cyclictest2619094-21apt-get10:10:121
243503499231,2cyclictest0-21swapper/110:05:121
243503499231,21cyclictest0-21swapper/111:56:251
243503499230,21cyclictest2628910-21cron10:20:001
243503499230,21cyclictest2527114-21/usr/sbin/munin08:40:121
2435029992320,2cyclictest2461094-21apt-get07:35:120
2435029992320,1cyclictest2552828-21apt-get09:05:120
243502999231,2cyclictest2731322-21apt-get12:00:120
243502999231,20cyclictest2762533-21/usr/sbin/munin12:30:160
243502999231,1cyclictest2522080-21apt-get08:35:100
2435039992218,2cyclictest2659288-21cron10:50:003
243503999221,1cyclictest2664634-21apt-get10:55:143
243503999220,21cyclictest2761381-21cron12:30:003
243503999220,19cyclictest0-21swapper/308:05:133
243503999220,18cyclictest0-21swapper/309:15:113
2435036992218,2cyclictest2639732-21hddtemp_smartct10:30:162
2435036992218,2cyclictest2639732-21hddtemp_smartct10:30:162
2435036992217,3cyclictest2710447-21cut11:40:012
243503699221,20cyclictest0-21swapper/210:55:152
243503699220,2cyclictest2593831-21ps09:45:142
243503699220,21cyclictest2455709-21cut07:30:012
243503699220,21cyclictest0-21swapper/209:40:122
243503699220,20cyclictest0-21swapper/208:40:132
2435034992219,2cyclictest2685098-21cron11:15:001
2435034992218,2cyclictest2603604-21cron09:55:001
243503499221,1cyclictest2517028-21apt-get08:30:121
243503499221,19cyclictest2746488-21apt-get12:15:131
243503499220,20cyclictest2761390-21cron12:30:001
243503499220,20cyclictest2583190-21apt-get09:35:131
243503499220,20cyclictest2571962-21runrttasks09:20:221
243503499220,20cyclictest0-21swapper/109:45:101
243503499220,19cyclictest0-21swapper/109:25:141
243503499220,19cyclictest0-21swapper/108:25:141
243503499220,19cyclictest0-21swapper/107:40:111
243503499220,19cyclictest0-21swapper/107:25:141
243503499220,19cyclictest0-21swapper/107:20:131
243502999221,2cyclictest2466164-21apt-get07:40:120
243502999220,20cyclictest2751267-21cron12:20:000
2435039992119,1cyclictest0-21swapper/312:15:463
2435039992119,1cyclictest0-21swapper/310:05:123
2435039992119,1cyclictest0-21swapper/307:35:123
2435039992118,2cyclictest0-21swapper/312:30:133
2435039992118,2cyclictest0-21swapper/311:10:133
2435039992118,1cyclictest0-21swapper/311:45:103
243503999211,1cyclictest0-21swapper/308:15:223
243503999211,19cyclictest0-21swapper/311:59:063
243503999210,1cyclictest0-21swapper/307:40:123
243503999210,1cyclictest0-21swapper/307:25:133
243503999210,19cyclictest0-21swapper/307:15:113
2435036992119,1cyclictest0-21swapper/211:05:132
2435036992119,1cyclictest0-21swapper/210:45:112
2435036992119,1cyclictest0-21swapper/210:15:142
2435036992119,1cyclictest0-21swapper/208:35:102
2435036992118,2cyclictest0-21swapper/211:30:122
2435036992118,2cyclictest0-21swapper/210:05:122
2435036992118,2cyclictest0-21swapper/208:29:592
2435036992118,1cyclictest0-21swapper/210:25:132
243503699211,1cyclictest0-21swapper/211:45:112
243503699210,20cyclictest0-21swapper/209:50:112
243503699210,1cyclictest2644399-21apt-get10:35:122
243503699210,1cyclictest0-21swapper/212:10:132
2435034992119,1cyclictest2578133-21apt-get09:30:111
2435034992118,2cyclictest2552426-21gpgv09:05:001
2435034992118,1cyclictest0-21swapper/111:45:111
2435034992116,3cyclictest2440336-21apt-get07:15:111
243503499210,1cyclictest0-21swapper/110:35:111
243503499210,1cyclictest0-21swapper/108:50:121
243503499210,19cyclictest0-21swapper/111:25:141
243503499210,19cyclictest0-21swapper/107:55:111
243503499210,19cyclictest0-21swapper/107:55:111
243503499210,18cyclictest0-21swapper/112:35:111
2435029992119,1cyclictest0-21swapper/007:45:140
2435029992119,1cyclictest0-21swapper/007:20:120
2435029992118,2cyclictest2536976-21ls08:50:000
243502999211,1cyclictest2669712-21apt-get11:00:110
243502999210,20cyclictest64-21kcompactd007:32:270
243502999210,20cyclictest0-21swapper/009:30:120
243502999210,20cyclictest0-21swapper/009:00:110
243502999210,20cyclictest0-21swapper/008:05:130
243502999210,20cyclictest0-21swapper/007:15:130
243502999210,1cyclictest2740343-21ntpq12:05:210
2435039992018,1cyclictest0-21swapper/309:50:193
2435039992018,1cyclictest0-21swapper/309:49:313
2435039992018,1cyclictest0-21swapper/308:45:013
2435039992017,2cyclictest2553323-21irqcore09:05:183
2435039992016,2cyclictest0-21swapper/308:40:133
2435039992016,2cyclictest0-21swapper/308:00:103
2435036992019,1cyclictest64-21kcompactd011:12:202
2435036992018,2cyclictest0-21swapper/210:00:112
2435036992018,1cyclictest0-21swapper/210:10:112
2435036992017,2cyclictest391rcuc/209:35:172
243503699200,1cyclictest0-21swapper/211:20:122
243503699200,1cyclictest0-21swapper/209:30:122
243503699200,1cyclictest0-21swapper/208:30:132
243503699200,19cyclictest64-21kcompactd012:33:312
243503699200,19cyclictest0-21swapper/212:27:032
243503699200,19cyclictest0-21swapper/208:10:122
2435034992018,1cyclictest0-21swapper/111:00:121
2435034992018,1cyclictest0-21swapper/109:10:111
2435034992018,1cyclictest0-21swapper/107:30:121
2435034992017,2cyclictest2491574-21apt-get08:05:121
2435034992017,1cyclictest0-21swapper/107:50:131
2435034992016,3cyclictest2664979-21sed10:55:171
2435034992016,2cyclictest2486501-21apt-get08:00:111
243503499200,1cyclictest0-21swapper/110:40:121
243503499200,1cyclictest0-21swapper/109:15:391
243503499200,1cyclictest0-21swapper/108:55:131
243503499200,19cyclictest0-21swapper/112:10:171
2435029992019,0cyclictest0-21swapper/011:05:120
2435029992018,1cyclictest2614063-21apt-get10:05:110
2435029992018,1cyclictest2511973-21apt-get08:25:140
2435029992018,1cyclictest0-21swapper/011:35:130
2435029992018,1cyclictest0-21swapper/011:15:100
2435029992018,1cyclictest0-21swapper/010:45:090
2435029992018,1cyclictest0-21swapper/010:39:000
2435029992018,1cyclictest0-21swapper/010:10:120
2435029992017,2cyclictest2731047-21cron11:59:590
2435029992016,3cyclictest2476865-21ps07:50:170
243502999200,1cyclictest2598824-21apt-get09:50:090
243502999200,1cyclictest0-21swapper/012:40:000
243502999200,1cyclictest0-21swapper/010:40:120
243502999200,1cyclictest0-21swapper/008:30:130
243502999200,1cyclictest0-21swapper/007:55:120
243502999200,1cyclictest0-21swapper/007:55:120
243502999200,19cyclictest0-21swapper/010:26:380
243502999200,19cyclictest0-21swapper/009:35:110
243502999200,19cyclictest0-21swapper/009:20:110
243502999200,19cyclictest0-21swapper/007:10:110
2435039991917,1cyclictest64-21kcompactd008:52:013
2435039991917,1cyclictest0-21swapper/309:43:053
2435036991916,2cyclictest2736139-21sh12:05:002
2435036991915,2cyclictest2435241-21apt-get07:10:112
2435034991916,2cyclictest2502249-21irqcore08:15:171
2435029991917,1cyclictest2496666-21apt-get08:10:110
243502999190,1cyclictest0-21swapper/012:25:130
243502999190,1cyclictest0-21swapper/009:55:120
243503699183,8cyclictest2674559-21awk11:05:002
2435036991816,1cyclictest0-21swapper/212:20:132
2435036991815,2cyclictest0-21swapper/212:15:132
2435036991814,3cyclictest2481431-21apt-get07:55:122
2435036991814,3cyclictest2481431-21apt-get07:55:112
2435034991816,1cyclictest0-21swapper/110:50:131
2435034991816,1cyclictest0-21swapper/110:45:101
2435034991816,1cyclictest0-21swapper/108:20:181
2435034991815,2cyclictest2643281-21ntpq10:30:221
2435034991815,2cyclictest2643281-21ntpq10:30:221
2435034991815,2cyclictest0-21swapper/109:55:131
2435029991816,1cyclictest0-21swapper/012:20:160
2435029991816,1cyclictest0-21swapper/010:00:120
2435029991816,1cyclictest0-21swapper/008:50:110
2435029991815,2cyclictest0-21swapper/009:50:000
243502999180,1cyclictest2639834-21ps10:30:170
243502999180,1cyclictest2639834-21ps10:30:160
243502999180,17cyclictest2664361-21awk10:55:000
2435039991714,2cyclictest2624534-21/usr/sbin/munin10:15:163
2435039991714,2cyclictest2613792-21idleruntime-cro10:04:593
2435036991715,1cyclictest0-21swapper/209:00:112
243503699170,2cyclictest2445178-21awk07:19:592
2435034991715,1cyclictest0-21swapper/109:05:131
2435034991713,3cyclictest516-21rs:main1
2435029991715,1cyclictest2510869-21ntpq08:20:210
2435029991715,1cyclictest2486990-21irqcore08:00:150
2435029991715,1cyclictest0-21swapper/011:20:130
2435029991715,1cyclictest0-21swapper/010:20:100
2435029991715,1cyclictest0-21swapper/010:18:340
2435039991613,2cyclictest64-21kcompactd007:52:193
2435036991612,2cyclictest2685374-21apt-get11:15:122
2435034991614,1cyclictest0-21swapper/112:20:121
2435029991614,1cyclictest0-21swapper/011:25:130
2435029991613,2cyclictest61650irq/133-enp0s29f1:rx-012:10:230
2435029991613,2cyclictest61650irq/133-enp0s29f1:rx-008:44:160
2435029991612,2cyclictest0-21swapper/009:30:000
243503699151,6cyclictest3777322-21systemd-journal10:50:162
2435036991514,1cyclictest64-21kcompactd010:20:112
2435029991514,1cyclictest0-21swapper/011:50:130
2435029991511,3cyclictest61650irq/133-enp0s29f1:rx-010:55:150
2435036991412,1cyclictest0-21swapper/207:36:122
2435036991411,2cyclictest377-21hwrng10:40:182
2435034991412,1cyclictest0-21swapper/107:45:141
2435034991410,2cyclictest0-21swapper/112:00:241
2435029991413,1cyclictest0-21swapper/011:10:130
2435029991412,2cyclictest61650irq/133-enp0s29f1:rx-008:15:190
2435029991412,1cyclictest0-21swapper/009:15:400
2435029991411,2cyclictest2702798-21kthreadcore11:30:180
2435029991410,3cyclictest2716177-21apt-get11:45:110
243503699130,3cyclictest2491309-21awk08:05:002
243503699130,13cyclictest0-21swapper/209:14:562
2435029991310,2cyclictest61650irq/133-enp0s29f1:rx-009:40:110
243502999130,11cyclictest2715910-21awk11:45:000
243503699129,2cyclictest2545161-21kthreadcore08:55:192
243503499119,1cyclictest0-21swapper/109:40:121
243503499117,2cyclictest0-21swapper/112:30:261
24350299996,2cyclictest2435067-21latency_hist07:10:000
24350399983,4cyclictest2435187-21cat07:10:003
24350369970,5cyclictest2435130-21cat07:10:002
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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