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2026-09-14 - 01:10
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the highest latencies:
System rackeslot2.osadl.org (updated Sun Sep 13, 2026 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25332002950,1sleep10-21swapper/109:09:261
2370855993215,13cyclictest2609365-21systemd-run09:50:011
237085599279,7cyclictest0-21swapper/111:49:341
237085599251,19cyclictest2751505-21runrttasks11:11:341
237085599248,12cyclictest2558481-21runrttasks09:23:501
237085599241,14cyclictest1-21systemd12:05:011
2370855992410,10cyclictest2679882-21systemd-run10:30:021
237085599239,8cyclictest0-21swapper/109:59:071
237085599234,13cyclictest1188-21runrttasks10:58:381
237085599231,11cyclictest2504368-21latency_hist08:45:011
2370855992310,8cyclictest2577628-21kthreadcore09:34:321
237085599226,11cyclictest778-21dbus-daemon09:39:361
237085599226,11cyclictest0-21swapper/112:05:191
237085599221,16cyclictest2394549-21runrttasks07:28:431
237085599221,16cyclictest2380484-21taskset07:15:201
237085599221,16cyclictest2371115-21taskset07:10:241
237085599221,15cyclictest1188-21runrttasks12:27:291
237085599221,15cyclictest1188-21runrttasks09:44:541
237085599221,12cyclictest2821435-21sh11:50:181
237085599221,12cyclictest2795159-21sh11:35:481
237085599221,12cyclictest2538860-21diskmemload09:25:311
237085599221,12cyclictest2470407-21runrttasks08:22:301
237085599221,12cyclictest2435709-21taskset07:55:401
237085599220,17cyclictest2699023-21taskset10:42:521
237085599220,17cyclictest2539797-21taskset09:11:121
237085599220,17cyclictest2511665-21taskset08:51:071
237085599220,16cyclictest2484118-21runrttasks08:31:191
237085599220,16cyclictest2387434-21runrttasks07:20:531
237085599220,16cyclictest1188-21runrttasks11:03:191
237085599220,15cyclictest1188-21runrttasks08:15:151
237085599220,13cyclictest2866488-21taskset12:17:281
237085599220,13cyclictest2742151-21seq11:05:301
2447398210,5rtkit-daemon1415-21ntpd11:09:560
237085599213,9cyclictest2456559-21taskset08:11:481
237085599211,15cyclictest2892656-21sh12:32:101
237085599211,15cyclictest1188-21runrttasks09:15:071
237085599211,14cyclictest2415040-21taskset07:40:291
237085599211,11cyclictest2901046-21sh12:36:121
237085599211,11cyclictest2856821-21sh12:10:331
237085599211,11cyclictest2830665-21sh11:56:081
237085599211,11cyclictest2804769-21sh11:42:401
237085599211,11cyclictest2610063-21sh09:50:561
237085599211,11cyclictest2442627-21taskset08:00:091
237085599210,16cyclictest2874700-21sh12:21:261
237085599210,16cyclictest2787247-21runrttasks11:32:541
237085599210,16cyclictest2777746-21taskset11:26:211
237085599210,16cyclictest2715427-21taskset10:50:081
237085599210,16cyclictest2707118-21taskset10:46:171
237085599210,16cyclictest2680362-21taskset10:30:491
237085599210,16cyclictest2663481-21sh10:22:261
237085599210,16cyclictest2638305-21taskset10:09:271
237085599210,16cyclictest2629302-21sh10:04:111
237085599210,16cyclictest2504942-21seq08:48:131
237085599210,16cyclictest2477273-21taskset08:27:071
237085599210,16cyclictest2408298-21taskset07:37:531
237085599210,12cyclictest2769265-21sh11:22:061
237085599210,12cyclictest2760077-21ssh11:16:101
237085599210,12cyclictest2689274-21sh10:35:571
237085599210,12cyclictest2653844-21taskset10:15:251
237085599210,12cyclictest2491098-21taskset08:37:291
237085599210,12cyclictest2449596-21taskset08:05:591
2370854992115,1cyclictest2805500-21apt-get11:44:070
2213291210,6phc2sys0-21swapper/307:09:093
237085599201,14cyclictest2525396-21taskset09:00:211
237085599201,14cyclictest2518586-21taskset08:56:171
237085599201,14cyclictest2518586-21taskset08:56:171
237085599201,14cyclictest2422010-21taskset07:46:341
237085599201,14cyclictest2401251-21taskset07:31:231
237085599201,10cyclictest2644907-21taskset10:10:041
237085599200,11cyclictest1188-21runrttasks07:51:301
2370854992011,8cyclictest0-21swapper/011:29:070
237085699191,14cyclictest25118992sleep208:54:092
2370854991918,1cyclictest0-21swapper/007:10:390
2370854991911,3cyclictest2579716-21cut09:34:330
2213291191,10phc2sys0-21swapper/311:04:083
25829882180,2sleep30-21swapper/309:35:023
237085499189,5cyclictest2736292-21irqrtprio11:04:290
237085499188,2cyclictest0-21swapper/009:49:120
237085499181,8cyclictest0-21swapper/009:19:080
2213291180,2phc2sys0-21swapper/312:20:273
237085699177,5cyclictest0-21swapper/211:59:102
237085699176,2cyclictest0-21swapper/211:40:022
2370856991714,1cyclictest0-21swapper/212:34:312
2370856991714,1cyclictest0-21swapper/212:04:312
2370856991714,1cyclictest0-21swapper/209:54:332
2370856991713,2cyclictest0-21swapper/210:54:092
237085599170,9cyclictest1-21systemd07:10:021
237085499178,5cyclictest2908565-21timerandwakeup12:39:370
237085499178,2cyclictest191rcu_preempt09:39:080
237085499178,2cyclictest0-21swapper/011:34:310
2370854991716,1cyclictest0-21swapper/011:39:010
2370854991711,5cyclictest797-21polkitd09:30:020
2370854991710,6cyclictest2711336-21kthreadcore10:49:350
2370854991710,2cyclictest2370849-21cyclictest08:20:290
2213291171,9phc2sys0-21swapper/310:34:093
2213291171,5phc2sys0-21swapper/307:49:093
2213291170,2phc2sys0-21swapper/309:52:593
2370856991614,1cyclictest0-21swapper/211:45:032
2370856991614,1cyclictest0-21swapper/209:44:332
2370856991613,1cyclictest0-21swapper/212:29:182
2370856991613,1cyclictest0-21swapper/211:24:272
2370856991613,1cyclictest0-21swapper/211:09:312
2370856991612,2cyclictest0-21swapper/210:19:282
2370856991612,2cyclictest0-21swapper/209:30:022
237085699160,11cyclictest0-21swapper/211:15:452
237085499169,2cyclictest2667876-21cut10:24:320
237085499167,2cyclictest0-21swapper/010:39:280
237085499161,8cyclictest2761459-21ssh11:19:090
2370854991613,2cyclictest2893604-21tail12:34:080
2370854991613,2cyclictest2876871-21gltestperf12:24:280
2370854991613,2cyclictest24648-21gmain10:50:350
2370854991613,2cyclictest2443728-21gltestperf08:04:300
2370854991610,1cyclictest0-21swapper/012:14:110
2213291160,2phc2sys0-21swapper/309:13:313
237085699157,2cyclictest0-21swapper/212:14:112
237085699151,6cyclictest0-21swapper/210:49:122
2370856991512,1cyclictest0-21swapper/212:25:012
2370856991512,1cyclictest0-21swapper/212:19:252
2370856991512,1cyclictest0-21swapper/211:54:302
2370856991512,1cyclictest0-21swapper/211:35:012
2370856991512,1cyclictest0-21swapper/211:29:292
2370856991512,1cyclictest0-21swapper/210:10:012
2370856991512,1cyclictest0-21swapper/210:00:022
2370856991512,1cyclictest0-21swapper/209:14:312
2370856991512,1cyclictest0-21swapper/208:44:312
2370856991512,1cyclictest0-21swapper/208:39:302
2370856991512,1cyclictest0-21swapper/208:04:242
2370856991512,1cyclictest0-21swapper/207:59:232
237085499158,3cyclictest2886957-21ssh12:29:330
237085499155,5cyclictest2867183-21/usr/sbin/munin12:19:270
237085499155,4cyclictest0-21swapper/009:50:370
237085499154,6cyclictest0-21swapper/010:44:360
237085499154,6cyclictest0-21swapper/010:19:330
237085499154,6cyclictest0-21swapper/010:04:150
2370854991512,2cyclictest778-21dbus-daemon09:45:010
2370854991512,2cyclictest2752852-21aten_repower_po11:14:190
2370854991512,2cyclictest2651489-21kthreadcore10:14:310
2370854991512,2cyclictest24617-21JS14:54:060
2370854991512,2cyclictest2430256-21irqrtprio07:54:280
2370854991512,2cyclictest2370849-21cyclictest08:54:320
2370854991511,3cyclictest24615-21JS14:54:060
2370854991511,3cyclictest24615-21JS14:54:060
2370854991510,4cyclictest2490595-21ls08:35:010
2370854991510,4cyclictest24614-21JS14:54:060
2213291151,4phc2sys0-21swapper/312:39:073
2213291151,4phc2sys0-21swapper/311:34:093
2213291150,3phc2sys0-21swapper/307:34:103
2213291150,2phc2sys0-21swapper/310:11:423
2213291150,1phc2sys0-21swapper/311:55:223
2447398140,4rtkit-daemon2377785-21munin-node07:57:190
2447398140,3rtkit-daemon798-21mta-sts-daemon07:47:130
2447398140,2rtkit-daemon2538860-21diskmemload11:54:290
2370856991412,1cyclictest0-21swapper/209:39:322
2370856991411,1cyclictest0-21swapper/212:10:022
2370856991411,1cyclictest0-21swapper/210:44:132
2370856991411,1cyclictest0-21swapper/210:14:292
2370856991411,1cyclictest0-21swapper/210:04:292
2370856991411,1cyclictest0-21swapper/208:59:322
2370856991411,1cyclictest0-21swapper/208:59:322
2370856991411,1cyclictest0-21swapper/208:19:312
2370856991411,1cyclictest0-21swapper/208:09:302
2370856991411,1cyclictest0-21swapper/207:49:312
2370856991411,1cyclictest0-21swapper/207:44:282
2370856991411,1cyclictest0-21swapper/207:25:032
2370856991411,1cyclictest0-21swapper/207:19:282
2370856991410,2cyclictest0-21swapper/209:24:352
2370856991410,2cyclictest0-21swapper/208:49:322
2370856991410,2cyclictest0-21swapper/207:39:312
237085499147,6cyclictest2565241-21kworker/u16:1+nfsiod11:23:070
237085499145,5cyclictest0-21swapper/009:07:410
237085499145,5cyclictest0-21swapper/008:37:190
2370854991411,2cyclictest778-21dbus-daemon08:50:020
2370854991411,2cyclictest2852859-21kthreadcore12:09:340
2370854991411,2cyclictest2837880-21pmu-power11:59:360
2370854991411,2cyclictest2725066-21runrttasks10:56:440
2370854991411,2cyclictest2673174-21runrttasks10:29:140
2370854991411,2cyclictest2547806-21systemd-run09:15:020
2370854991411,2cyclictest2469161-21missed_timers08:19:330
2370854991411,2cyclictest24615-21JS14:54:060
2370854991411,2cyclictest2420981-21pmu-power07:44:350
237085499140,9cyclictest2414661-21dump-pmu-power07:40:010
237085499140,6cyclictest1-21systemd08:45:010
2213291141,6phc2sys0-21swapper/310:59:083
2213291140,5phc2sys0-21swapper/311:35:293
2213291140,2phc2sys0-21swapper/310:19:333
2213291140,2phc2sys0-21swapper/309:19:083
2213291140,1phc2sys0-21swapper/308:09:093
237085699131,7cyclictest0-21swapper/209:19:082
2370856991311,1cyclictest0-21swapper/210:39:342
2370856991311,1cyclictest0-21swapper/207:29:292
2370856991310,1cyclictest0-21swapper/212:39:292
2370856991310,1cyclictest0-21swapper/211:04:302
2370856991310,1cyclictest0-21swapper/210:34:312
2370856991310,1cyclictest0-21swapper/210:30:012
2370856991310,1cyclictest0-21swapper/210:24:332
2370856991310,1cyclictest0-21swapper/209:09:322
2370856991310,1cyclictest0-21swapper/209:04:322
2370856991310,1cyclictest0-21swapper/208:14:262
2370856991310,1cyclictest0-21swapper/207:54:292
2370856991310,1cyclictest0-21swapper/207:34:292
237085699130,8cyclictest0-21swapper/208:29:092
237085499139,3cyclictest2379387-21grep07:15:030
237085499137,5cyclictest2565241-21kworker/u16:1-events_unbound10:33:040
237085499134,4cyclictest2624003-21cut09:59:300
237085499133,6cyclictest0-21swapper/008:27:240
237085499133,5cyclictest0-21swapper/011:45:070
237085499133,2cyclictest0-21swapper/010:09:020
2370854991312,1cyclictest0-21swapper/007:30:030
2370854991310,2cyclictest2530752-21kthreadcore09:04:340
2370854991310,2cyclictest2398182-21kthreadcore07:29:300
2370854991310,2cyclictest171ktimers/012:04:080
2213291134,2phc2sys0-21swapper/312:34:023
2213291131,4phc2sys0-21swapper/311:28:363
2213291130,5phc2sys0-21swapper/310:44:093
2213291130,4phc2sys0-21swapper/309:44:423
2213291130,2phc2sys0-21swapper/312:03:243
2213291130,2phc2sys0-21swapper/311:47:203
2213291130,2phc2sys0-21swapper/311:21:113
2213291130,2phc2sys0-21swapper/310:26:263
237085699129,1cyclictest0-21swapper/209:46:252
237085699129,1cyclictest0-21swapper/208:22:272
237085699129,1cyclictest0-21swapper/207:13:502
237085699121,6cyclictest0-21swapper/208:34:102
2370856991210,1cyclictest0-21swapper/211:49:272
2370856991210,1cyclictest0-21swapper/210:55:072
2370856991210,1cyclictest0-21swapper/209:34:102
237085499129,2cyclictest2449882-21aten_repower_cu08:09:110
2213291121,4phc2sys0-21swapper/308:34:093
2213291120,5phc2sys0-21swapper/309:29:133
2213291120,1phc2sys0-21swapper/312:11:583
28291632110,2sleep30-21swapper/311:54:363
24215362110,2sleep30-21swapper/307:44:563
237085699119,1cyclictest0-21swapper/211:14:282
2213291111,5phc2sys0-21swapper/307:29:073
2213291111,3phc2sys0-21swapper/312:17:193
2213291111,3phc2sys0-21swapper/312:10:013
2213291111,2phc2sys0-21swapper/310:04:253
2213291111,2phc2sys0-21swapper/309:09:263
2213291111,2phc2sys0-21swapper/308:14:093
2213291110,5phc2sys0-21swapper/310:10:023
2213291110,4phc2sys0-21swapper/309:59:073
2213291110,3phc2sys0-21swapper/309:20:403
2213291110,3phc2sys0-21swapper/307:59:023
2213291110,3phc2sys0-21swapper/307:24:083
2213291110,2phc2sys0-21swapper/311:15:583
2213291110,2phc2sys0-21swapper/310:48:393
2213291110,2phc2sys0-21swapper/309:39:083
2213291110,2phc2sys0-21swapper/308:04:283
2213291110,1phc2sys0-21swapper/308:35:473
2213291102,2phc2sys0-21swapper/308:28:373
2213291102,2phc2sys0-21swapper/307:35:063
2213291101,4phc2sys0-21swapper/308:19:083
2213291101,3phc2sys0-21swapper/308:44:083
2213291101,2phc2sys0-21swapper/311:14:083
2213291101,2phc2sys0-21swapper/310:52:563
2213291101,2phc2sys0-21swapper/310:20:133
2213291101,2phc2sys0-21swapper/307:15:033
2213291100,2phc2sys0-21swapper/311:08:433
2213291100,2phc2sys0-21swapper/310:36:203
2213291100,2phc2sys0-21swapper/309:46:423
2213291100,2phc2sys0-21swapper/309:01:083
2213291100,2phc2sys0-21swapper/308:54:313
2213291100,2phc2sys0-21swapper/307:54:063
23708569997,1cyclictest0-21swapper/207:10:032
23708549990,4cyclictest2370679-21latency_hist07:10:020
221329191,2phc2sys0-21swapper/312:25:043
221329191,2phc2sys0-21swapper/311:40:313
221329190,2phc2sys0-21swapper/308:57:353
221329190,2phc2sys0-21swapper/308:57:353
221329190,2phc2sys0-21swapper/308:24:553
221329190,1phc2sys0-21swapper/308:47:573
221329190,1phc2sys0-21swapper/307:17:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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