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2026-09-18 - 01:25
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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 Thu Sep 17, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
269307322460,2sleep30-21swapper/309:10:013
296390221130,1sleep00-21swapper/011:44:240
30538862560,2sleep30-21swapper/312:34:263
2525170992312,6cyclictest0-21swapper/011:10:010
2525172992219,1cyclictest0-21swapper/210:49:122
26418392210,1sleep00-21swapper/008:34:270
2525170992113,4cyclictest3006699-21ssh12:09:200
2525170992110,6cyclictest0-21swapper/010:20:030
2525170992110,5cyclictest2957583-21kthreadcore11:39:260
252517099209,4cyclictest2693194-21kworker/u16:0-nfsiod09:24:240
252517099204,4cyclictest2562450-21sshd-session07:35:410
2525170992012,4cyclictest2693081-21diskmemload10:09:310
2213291201,5phc2sys0-21swapper/307:09:023
2525172991916,1cyclictest0-21swapper/212:01:062
2525171991912,6cyclictest2809853-21sshd-session10:17:311
2525171991912,3cyclictest2830000-21grep10:29:241
252517099198,6cyclictest0-21swapper/009:20:010
2525170991912,4cyclictest2525168-21cyclictest09:28:220
2525170991911,4cyclictest2892334-21kernelversion11:04:250
252517299181,8cyclictest0-21swapper/208:04:022
2525171991815,2cyclictest2909665-21if_enp1s011:14:221
2525171991814,3cyclictest2864342-21sh10:49:121
2525171991811,3cyclictest2807240-21timerwakeupswit10:14:321
252517099188,5cyclictest0-21swapper/011:14:260
252517099187,7cyclictest3065612-21systemd12:40:010
252517099187,6cyclictest0-21swapper/010:29:070
252517099187,6cyclictest0-21swapper/009:54:020
2525170991810,4cyclictest2525168-21cyclictest09:44:200
2213291181,5phc2sys0-21swapper/312:14:033
2213291180,2phc2sys0-21swapper/312:27:503
2213291180,2phc2sys0-21swapper/310:11:563
2213291180,2phc2sys0-21swapper/309:34:233
2525172991715,1cyclictest0-21swapper/210:17:292
252517199179,3cyclictest0-21swapper/111:04:241
2525171991714,2cyclictest2881317-21awk10:57:421
2525171991713,3cyclictest2843128-21kthreadcore10:34:301
252517099177,2cyclictest0-21swapper/012:14:210
252517099176,6cyclictest0-21swapper/010:40:010
252517099175,3cyclictest0-21swapper/011:30:030
2525170991713,3cyclictest2525168-21cyclictest07:44:260
2525170991713,2cyclictest778-21dbus-daemon11:20:020
252517099170,12cyclictest2836105-21ssh10:30:470
2213291171,3phc2sys0-21swapper/308:19:053
2213291170,2phc2sys0-21swapper/312:08:383
2213291170,2phc2sys0-21swapper/310:54:503
2213291170,2phc2sys0-21swapper/310:07:113
2213291170,2phc2sys0-21swapper/309:58:533
30402202160,2sleep10-21swapper/112:26:461
252517299161,7cyclictest0-21swapper/212:19:022
252517299161,6cyclictest0-21swapper/209:44:032
2525172991613,1cyclictest0-21swapper/211:57:592
2525172991613,1cyclictest0-21swapper/211:45:022
2525172991613,1cyclictest0-21swapper/211:00:532
2525172991613,1cyclictest0-21swapper/209:49:092
2525172991613,1cyclictest0-21swapper/209:15:392
2525172991613,1cyclictest0-21swapper/209:00:012
2525172991612,2cyclictest0-21swapper/209:12:012
2525172991612,2cyclictest0-21swapper/207:40:092
252517199169,3cyclictest2949785-21missed_timers11:34:271
252517199169,3cyclictest2929044-21kthreadcore11:24:251
252517199164,5cyclictest82050irq/121-eno112:39:261
2525171991613,2cyclictest2760115-21kthreadcore09:49:251
2525171991612,3cyclictest2681175-21irqrtprio09:04:251
2525171991612,3cyclictest2673231-21cpu08:59:191
2525171991612,3cyclictest2530623-21kthreadcore07:14:261
2525171991610,5cyclictest2584733-21sort07:54:241
252517199160,13cyclictest0-21swapper/107:26:191
252517099166,6cyclictest0-21swapper/010:54:230
252517099162,8cyclictest0-21swapper/010:49:030
2525170991613,2cyclictest977-21rs:main0
2525170991613,2cyclictest2801457-21tr10:14:200
2525170991613,2cyclictest2596777-21systemd-run08:00:020
2525170991613,2cyclictest2541641-21systemd-run07:20:030
2525170991613,2cyclictest0-21swapper/010:24:280
2525170991611,4cyclictest2610337-21latency_hist08:10:000
2525170991610,5cyclictest2693081-21diskmemload09:59:520
2525170991610,5cyclictest2651719-21idleruntime-cro08:40:010
252517099160,12cyclictest2970863-21ssh11:49:090
2213291160,3phc2sys0-21swapper/310:45:523
2213291160,3phc2sys0-21swapper/308:04:333
2213291160,2phc2sys0-21swapper/309:23:213
2213291160,2phc2sys0-21swapper/308:39:563
252517299159,3cyclictest26258782sleep208:24:242
252517299152,4cyclictest0-21swapper/212:24:032
2525172991513,1cyclictest0-21swapper/210:10:032
2525172991512,2cyclictest0-21swapper/212:35:022
2525172991512,1cyclictest0-21swapper/212:12:092
2525172991512,1cyclictest0-21swapper/211:29:302
2525172991512,1cyclictest0-21swapper/210:45:012
2525172991512,1cyclictest0-21swapper/208:34:282
2525172991512,1cyclictest0-21swapper/207:20:012
2525172991511,2cyclictest0-21swapper/210:31:572
252517199159,2cyclictest82050irq/121-eno111:10:011
252517199158,3cyclictest2847082-21/usr/sbin/munin10:39:201
252517199157,7cyclictest24619-21llvmpipe-108:42:591
2525171991512,2cyclictest932-1atopacctd09:53:551
2525171991512,2cyclictest376-21systemd-journal10:00:021
2525171991512,2cyclictest2577837-21kernelversion07:49:221
2525171991512,2cyclictest24648-21gmain11:39:271
2525171991511,3cyclictest3016524-21kthreadcore12:14:251
2525171991511,3cyclictest3007925-21kthreadcore12:09:241
2525171991511,3cyclictest2962291-21cpuspeed_turbos11:44:191
2525171991511,3cyclictest2871757-21kworker/u16:2+nfsiod12:32:041
2525171991511,3cyclictest2859373-21kthreadcore10:44:281
2525171991511,3cyclictest2821899-21kthreadcore10:24:241
2525171991511,3cyclictest2787662-21kthreadcore10:04:271
2525171991511,3cyclictest2733220-21kthreadcore09:34:241
2525171991511,3cyclictest2724710-21kthreadcore09:29:241
2525171991511,3cyclictest2717004-21kthreadcore09:24:251
2525171991511,3cyclictest2693194-21kworker/u16:0+nfsiod09:17:291
2525171991511,3cyclictest2688005-21irqrtprio09:09:241
2525171991511,3cyclictest2642942-21kthreadcore08:34:271
2525171991511,3cyclictest2626782-21kthreadcore08:24:241
2525171991511,3cyclictest2608063-21kthreadcore08:09:271
2525171991511,3cyclictest2599751-21kthreadcore08:04:241
2525171991511,3cyclictest2563926-21irqrtprio07:39:211
2525171991511,3cyclictest2558614-21kthreadcore07:34:251
252517099159,5cyclictest3044416-21kthreadcore12:29:260
252517099157,7cyclictest24619-21llvmpipe-111:25:590
252517099156,2cyclictest0-21swapper/011:54:250
252517099151,8cyclictest2763737-21munin-run09:50:020
2525170991512,2cyclictest2789305-21pmu-power10:04:300
2525170991512,2cyclictest2674011-21irqcore08:59:230
2525170991512,2cyclictest2634691-21kthreadcore08:29:260
2525170991512,2cyclictest2531966-21latency_hist07:15:020
252517099150,10cyclictest3029682-21systemctl12:19:300
2213291151,7phc2sys0-21swapper/309:14:023
2213291151,5phc2sys0-21swapper/308:29:023
2213291150,6phc2sys0-21swapper/307:19:033
2213291150,2phc2sys0-21swapper/312:02:363
2213291150,2phc2sys0-21swapper/311:47:073
2213291150,1phc2sys0-21swapper/307:43:213
252517299147,3cyclictest0-21swapper/209:24:022
252517299142,6cyclictest0-21swapper/208:14:032
252517299141,8cyclictest0-21swapper/212:09:022
252517299141,6cyclictest0-21swapper/209:34:012
252517299141,6cyclictest0-21swapper/209:29:012
252517299141,4cyclictest0-21swapper/210:54:022
2525172991412,1cyclictest0-21swapper/212:40:012
2525172991411,2cyclictest0-21swapper/209:09:272
2525172991411,1cyclictest0-21swapper/212:29:262
2525172991411,1cyclictest0-21swapper/211:54:242
2525172991411,1cyclictest0-21swapper/211:25:012
2525172991411,1cyclictest0-21swapper/211:16:352
2525172991411,1cyclictest0-21swapper/211:10:452
2525172991411,1cyclictest0-21swapper/210:55:072
2525172991411,1cyclictest0-21swapper/210:39:152
2525172991411,1cyclictest0-21swapper/210:00:012
2525172991411,1cyclictest0-21swapper/208:50:032
2525172991411,1cyclictest0-21swapper/208:39:272
2525172991411,1cyclictest0-21swapper/208:09:272
252517199147,5cyclictest376-21systemd-journal09:36:411
2525171991411,2cyclictest3026849-21sed12:19:251
2525171991411,2cyclictest2979454-21/usr/sbin/munin11:54:241
2525171991411,2cyclictest2918413-21sed11:19:231
2525171991411,2cyclictest2879870-21systemd-run10:55:011
2525171991411,2cyclictest2799079-21sh10:10:021
2525171991411,2cyclictest2749766-21kthreadcore09:44:241
2525171991410,3cyclictest3034461-21kthreadcore12:24:251
2525171991410,3cyclictest2989679-21irqrtprio11:59:231
2525171991410,3cyclictest2871757-21kworker/u16:2+nfsiod12:02:401
2525171991410,3cyclictest2670197-21kthreadcore08:54:251
2525171991410,3cyclictest2662579-21kthreadcore08:49:271
2525171991410,3cyclictest2646705-21irqrtprio08:39:251
2525171991410,3cyclictest2632974-21kernelversion08:29:231
2525171991410,3cyclictest2619222-21kthreadcore08:19:261
2525171991410,3cyclictest2613763-21kthreadcore08:14:261
2525171991410,3cyclictest2544163-21kthreadcore07:24:241
2525171991410,3cyclictest2538039-21kthreadcore07:19:261
2525171991410,3cyclictest24616-21JS14:54:061
2525171991410,1cyclictest0-21swapper/107:59:191
252517099147,5cyclictest2854162-21sshd-session10:41:410
252517099146,4cyclictest2871757-21kworker/u16:2-events_unbound12:24:240
252517099146,2cyclictest2730439-21apt-get09:34:010
252517099145,4cyclictest2988139-21sshd-session11:58:410
252517099144,5cyclictest2686183-21awk09:05:010
252517099144,4cyclictest2884879-21tr10:59:240
252517099143,6cyclictest0-21swapper/009:14:160
252517099141,7cyclictest2739903-21diskstats09:39:210
2525170991411,2cyclictest778-21dbus-daemon09:10:010
2525170991411,2cyclictest2666493-21cpuspeed_turbos08:54:190
2525170991411,2cyclictest2578367-21kthreadcore07:49:220
2525170991411,2cyclictest2554457-21needreboot07:29:280
2525170991411,2cyclictest0-21swapper/008:47:410
252517099140,9cyclictest2541995-21/usr/sbin/munin07:24:210
2213291141,3phc2sys0-21swapper/311:34:023
2213291140,4phc2sys0-21swapper/312:15:593
2213291140,3phc2sys0-21swapper/309:50:063
2213291140,3phc2sys0-21swapper/309:37:573
2213291140,2phc2sys0-21swapper/311:54:583
2213291140,2phc2sys0-21swapper/311:38:103
2213291140,2phc2sys0-21swapper/311:22:273
2213291140,2phc2sys0-21swapper/311:16:183
2213291140,2phc2sys0-21swapper/309:44:023
252517299139,2cyclictest0-21swapper/207:29:242
252517299132,7cyclictest0-21swapper/209:54:032
252517299132,4cyclictest0-21swapper/207:49:012
252517299131,6cyclictest0-21swapper/209:39:032
252517299131,2cyclictest0-21swapper/208:44:022
2525172991311,1cyclictest0-21swapper/210:14:272
2525172991311,1cyclictest0-21swapper/207:10:022
2525172991310,1cyclictest0-21swapper/211:49:102
2525172991310,1cyclictest0-21swapper/211:39:202
2525172991310,1cyclictest0-21swapper/211:34:252
2525172991310,1cyclictest0-21swapper/211:10:032
2525172991310,1cyclictest0-21swapper/210:29:142
2525172991310,1cyclictest0-21swapper/210:04:132
2525172991310,1cyclictest0-21swapper/208:29:192
2525172991310,1cyclictest0-21swapper/208:19:272
2525172991310,1cyclictest0-21swapper/208:00:022
2525172991310,1cyclictest0-21swapper/207:54:222
2525172991310,1cyclictest0-21swapper/207:39:222
2525172991310,1cyclictest0-21swapper/207:24:202
252517199137,2cyclictest82050irq/121-eno109:14:251
2525171991311,1cyclictest2937328-21kthreadcore11:29:251
2525171991310,2cyclictest2976519-21pmu-power11:49:301
252517099137,1cyclictest0-21swapper/008:19:110
252517099136,2cyclictest2652373-21apt-get08:44:020
252517099134,4cyclictest0-21swapper/011:22:160
252517099133,3cyclictest0-21swapper/012:30:280
2525170991310,2cyclictest2612444-21kthreadcore08:14:250
2525170991310,2cyclictest2525168-21cyclictest07:53:410
2525170991310,2cyclictest24472-21rtkit-daemon07:33:430
252517099130,3cyclictest0-21swapper/012:01:480
2213291131,7phc2sys0-21swapper/307:34:023
2213291131,3phc2sys0-21swapper/310:39:013
2213291131,3phc2sys0-21swapper/308:50:473
2213291131,2phc2sys0-21swapper/308:34:043
2213291130,5phc2sys0-21swapper/309:48:253
2213291130,2phc2sys0-21swapper/311:29:503
2213291130,2phc2sys0-21swapper/311:07:143
2213291130,2phc2sys0-21swapper/311:04:043
2213291130,2phc2sys0-21swapper/310:56:383
252517299129,1cyclictest0-21swapper/207:34:192
252517299122,3cyclictest0-21swapper/207:14:022
252517099122,6cyclictest0-21swapper/008:22:450
2213291120,2phc2sys0-21swapper/308:10:393
252517299119,1cyclictest0-21swapper/210:21:202
252517299119,1cyclictest0-21swapper/209:03:242
252517299119,1cyclictest0-21swapper/208:54:232
252517199111,3cyclictest2524997-21latency_hist07:10:031
252517099118,2cyclictest798-21mta-sts-daemon07:10:020
2213291113,1phc2sys0-21swapper/307:35:193
2213291111,2phc2sys0-21swapper/307:29:023
2213291110,4phc2sys0-21swapper/312:39:033
2213291110,3phc2sys0-21swapper/310:24:233
2213291110,2phc2sys0-21swapper/311:13:343
2213291110,1phc2sys0-21swapper/310:25:113
2213291110,1phc2sys0-21swapper/308:45:383
2213291110,1phc2sys0-21swapper/307:21:243
2213291101,3phc2sys0-21swapper/310:42:503
2213291101,3phc2sys0-21swapper/309:01:493
2213291100,3phc2sys0-21swapper/307:59:013
2213291100,2phc2sys0-21swapper/312:24:253
2213291100,2phc2sys0-21swapper/311:56:283
2213291100,2phc2sys0-21swapper/311:40:323
2213291100,2phc2sys0-21swapper/310:31:523
2213291100,2phc2sys0-21swapper/310:18:013
2213291100,2phc2sys0-21swapper/310:00:053
2213291100,2phc2sys0-21swapper/309:26:143
2213291100,2phc2sys0-21swapper/309:16:163
2213291100,2phc2sys0-21swapper/308:45:023
2213291100,1phc2sys0-21swapper/308:24:023
2213291100,1phc2sys0-21swapper/307:45:173
221329190,3phc2sys0-21swapper/307:54:023
221329190,3phc2sys0-21swapper/307:14:023
221329190,2phc2sys0-21swapper/308:56:123
221329190,2phc2sys0-21swapper/308:09:233
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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