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2025-12-19 - 20:01
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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 Fri Dec 19, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
289824221020,1sleep10-21swapper/108:53:391
28639792890,2sleep20-21swapper/208:28:322
29647062350,3sleep30-21swapper/309:48:393
276986599201,15cyclictest0-21swapper/211:40:012
2769865992010,4cyclictest0-21swapper/207:43:302
2769864992017,2cyclictest2784627-21apt-key07:20:011
2769863992017,2cyclictest2965381-21sh09:50:010
2769865991916,1cyclictest0-21swapper/210:15:002
2769865991916,1cyclictest0-21swapper/209:10:012
276986499194,14cyclictest3170527-21ls12:40:001
2769864991916,2cyclictest1326-21systemd-logind10:10:011
276986399191,8cyclictest0-21swapper/008:43:290
2769865991815,1cyclictest0-21swapper/207:40:012
2769864991815,2cyclictest2965457-21apt-key09:50:011
2769864991815,2cyclictest2775864-21apt-config07:15:001
2769864991815,2cyclictest2775864-21apt-config07:15:001
2769864991815,2cyclictest0-21swapper/109:25:011
276986399187,6cyclictest0-21swapper/011:00:000
276986399187,6cyclictest0-21swapper/011:00:000
2769863991815,2cyclictest3170533-21cat12:40:000
2769863991815,2cyclictest1327-21in:imuxsock11:15:020
2769863991814,3cyclictest2778216-21cpu07:15:030
276986399180,17cyclictest2868942-21latency_hist08:30:010
2769865991714,1cyclictest0-21swapper/210:18:372
276986499171,4cyclictest0-21swapper/110:43:301
2769864991714,2cyclictest3007858-21systemd-run10:25:011
2769864991713,3cyclictest1288-1atopacctd08:15:011
2769864991710,3cyclictest257-21systemd-journal09:02:191
2769863991714,2cyclictest3098028-21perf11:40:000
2769863991714,2cyclictest2930217-21cut09:23:320
2769863991714,2cyclictest1296-21polkitd10:05:010
2769863991713,3cyclictest2972843-21gltestperf09:58:310
2769863991712,4cyclictest2910933-21cron09:05:010
2649091170,2phc2sys0-21swapper/308:58:363
2902298160,2rtkit-daemon1288-1atopacctd08:08:321
276986599161,8cyclictest0-21swapper/209:30:012
2769865991614,1cyclictest0-21swapper/207:20:002
2769865991613,1cyclictest0-21swapper/209:20:002
2769865991613,1cyclictest0-21swapper/208:40:002
2769865991613,1cyclictest0-21swapper/208:10:012
2769864991613,2cyclictest3073951-21sh11:20:011
2769864991613,2cyclictest1326-21systemd-logind07:50:001
2769864991613,2cyclictest1296-21polkitd11:40:021
2769864991612,3cyclictest3145427-21kthreadcore12:18:361
2769864991612,3cyclictest2949237-21kthreadcore09:38:351
276986399167,5cyclictest3074718-21aten_repower_vo11:23:310
2769863991613,2cyclictest3159995-21sed12:33:330
2769863991613,2cyclictest3086847-21cpuspeed_turbos11:33:320
2769863991613,2cyclictest3043919-21systemd-run10:55:000
2769863991613,2cyclictest2944599-21kthreadcore09:33:330
2769863991613,2cyclictest2875620-21cpu08:38:300
2769863991613,2cyclictest2786514-21kthreadcore07:23:340
2769863991613,2cyclictest2769858-21cyclictest09:18:350
2769863991613,2cyclictest1296-21polkitd12:20:020
2769863991613,2cyclictest1286-21avahi-daemon10:10:000
2769863991613,2cyclictest1-21systemd08:11:450
2649091160,2phc2sys0-21swapper/310:58:433
2649091160,2phc2sys0-21swapper/310:58:433
2649091160,2phc2sys0-21swapper/310:18:353
2769865991513,1cyclictest0-21swapper/207:10:012
2769865991512,1cyclictest0-21swapper/212:15:012
2769865991512,1cyclictest0-21swapper/211:20:012
2769865991512,1cyclictest0-21swapper/208:20:012
276986499152,2cyclictest491rcuog/211:33:361
2769864991512,2cyclictest3086094-21latency_hist11:30:011
2769864991512,2cyclictest3067914-21cron11:15:001
2769864991512,2cyclictest3019998-21latency_hist10:35:021
2769864991512,2cyclictest2995911-21systemd-run10:15:011
2769864991512,2cyclictest2923225-21systemd-run09:15:021
2769864991512,2cyclictest2790647-21grep07:25:001
2769864991511,3cyclictest3013205-21ptp4l10:28:391
2769864991511,3cyclictest2905201-21latency_hist09:00:021
2769864991511,2cyclictest0-21swapper/108:40:011
2769864991510,1cyclictest134050irq/121-eno110:48:291
276986399157,3cyclictest2851326-21/usr/sbin/munin08:18:390
276986399154,6cyclictest2993630-21cut10:13:350
2769863991512,2cyclictest3017121-21kthreadcore10:33:360
2769863991512,2cyclictest3013783-21perf10:30:000
2769863991512,2cyclictest2989776-21kworker/u16:3-events_power_efficient11:05:000
2769863991512,2cyclictest2966909-21gltestperf09:53:310
2769863991512,2cyclictest2898921-21latency_hist08:55:000
2769863991512,2cyclictest2892881-21latency_hist08:50:020
2769863991512,2cyclictest2826804-21cut07:55:010
2769863991512,2cyclictest2814723-21perf07:45:000
2769863991512,2cyclictest0-21swapper/010:40:020
276986399150,13cyclictest3031873-21idleruntime-cro10:45:010
2649091150,2phc2sys0-21swapper/311:03:303
2649091150,2phc2sys0-21swapper/309:44:273
2649091150,2phc2sys0-21swapper/307:29:563
2769865991412,1cyclictest0-21swapper/212:20:022
2769865991412,1cyclictest0-21swapper/211:15:012
2769865991412,1cyclictest0-21swapper/209:05:012
2769865991411,1cyclictest0-21swapper/212:29:262
2769865991411,1cyclictest0-21swapper/212:23:322
2769865991411,1cyclictest0-21swapper/210:43:292
2769865991411,1cyclictest0-21swapper/210:33:322
2769865991411,1cyclictest0-21swapper/210:25:002
2769865991411,1cyclictest0-21swapper/210:03:342
2769865991411,1cyclictest0-21swapper/209:40:012
2769865991411,1cyclictest0-21swapper/209:33:372
2769865991411,1cyclictest0-21swapper/209:25:002
2769865991411,1cyclictest0-21swapper/208:22:082
2769865991411,1cyclictest0-21swapper/208:13:332
2769865991411,1cyclictest0-21swapper/207:58:332
2769865991411,1cyclictest0-21swapper/207:23:342
276986499141,8cyclictest2802653-21cron07:35:011
2769864991412,1cyclictest2983839-21latency_hist10:05:011
2769864991411,2cyclictest3157978-21mailstats12:28:381
2769864991411,2cyclictest3046899-21kthreadcore10:58:351
2769864991411,2cyclictest3046899-21kthreadcore10:58:351
2769864991411,2cyclictest2997000-21gltestperf10:18:321
2769864991411,2cyclictest2944408-21kthreadcore09:33:331
2769864991411,2cyclictest2851471-21aten_repower_po08:18:271
2769864991411,2cyclictest2836130-21kthreadcore08:03:351
2769864991411,2cyclictest2769967-21latency_hist07:10:011
2769864991410,3cyclictest3123684-21gltestperf12:03:321
2769864991410,3cyclictest2937153-21kthreadcore09:28:351
2769864991410,3cyclictest2870723-21kthreadcore08:33:341
276986399145,5cyclictest0-21swapper/007:33:120
276986399143,6cyclictest2796659-21perf07:30:010
276986399141,8cyclictest2936383-21df09:28:310
2769863991412,1cyclictest3116347-21cron11:55:000
2769863991411,2cyclictest3136564-21kthreadcore12:13:340
2769863991411,2cyclictest3123557-21fschecks_count12:03:310
2769863991411,2cyclictest3060723-21kthreadcore11:08:350
2769863991411,2cyclictest3038147-21systemd-run10:50:020
2769863991411,2cyclictest3002645-21cpuspeed_turbos10:23:300
2769863991411,2cyclictest2870756-21kthreadcore08:33:340
2769863991411,2cyclictest2859286-21kthreadcore08:23:360
2769863991411,2cyclictest2840587-21irqrtprio08:08:340
2769863991411,2cyclictest1288-1atopacctd09:38:350
276986399140,2cyclictest2959320-21apt09:45:000
2649091140,1phc2sys0-21swapper/309:35:273
2902298130,9rtkit-daemon2891875-21kthreadcore08:48:351
2769865991311,1cyclictest0-21swapper/210:58:352
2769865991311,1cyclictest0-21swapper/210:58:352
2769865991310,1cyclictest0-21swapper/211:53:322
2769865991310,1cyclictest0-21swapper/211:28:342
2769865991310,1cyclictest0-21swapper/211:08:342
2769865991310,1cyclictest0-21swapper/211:03:352
2769865991310,1cyclictest0-21swapper/210:48:302
2769865991310,1cyclictest0-21swapper/210:00:012
2769865991310,1cyclictest0-21swapper/209:53:352
2769865991310,1cyclictest0-21swapper/208:58:372
2769865991310,1cyclictest0-21swapper/208:03:352
276986499139,3cyclictest2924855-21kthreadcore09:18:341
276986499139,3cyclictest2864137-21gltestperf08:28:331
276986499139,1cyclictest134050irq/121-eno111:08:281
276986499137,5cyclictest3100845-21tr11:43:361
276986499137,5cyclictest257-21systemd-journal10:00:011
276986499134,8cyclictest1-21systemd10:40:011
2769864991311,1cyclictest3129224-21sort12:08:301
2769864991311,1cyclictest2859838-21kthreadcore08:23:361
2769864991310,2cyclictest3148243-21irqrtprio12:23:341
2769864991310,2cyclictest3134963-21/usr/sbin/munin12:13:341
2769864991310,2cyclictest3121924-21switchtime11:58:411
2769864991310,2cyclictest3075871-21kthreadcore11:23:371
2769864991310,2cyclictest2968911-21kthreadcore09:53:341
2769864991310,2cyclictest2955466-21kthreadcore09:43:361
2769864991310,2cyclictest2886247-21pmu-power08:43:391
2769864991310,2cyclictest2829796-21kthreadcore07:58:351
2769864991310,2cyclictest2809328-21aten2.4-expect07:43:301
2769864991310,2cyclictest2803386-21aten_repower_po07:38:301
2769864991310,2cyclictest2794958-21kthreadcore07:28:361
2769864991310,2cyclictest2769858-21cyclictest11:03:301
2769864991310,2cyclictest0-21swapper/112:35:021
276986399137,5cyclictest3071585-21tr11:18:350
276986399136,2cyclictest11systemd08:00:000
276986399134,5cyclictest0-21swapper/007:48:290
276986399134,2cyclictest0-21swapper/012:23:290
2769863991310,2cyclictest3154006-21sort12:28:320
2769863991310,2cyclictest3130773-21kthreadcore12:08:350
2769863991310,2cyclictest3121515-21latency11:58:370
2769863991310,2cyclictest3105692-21irqcore11:48:330
2769863991310,2cyclictest3099223-21fschecks_time11:43:330
2769863991310,2cyclictest3080879-21cpuspeed_turbos11:28:310
2769863991310,2cyclictest2996902-21fschecks_time10:18:310
2769863991310,2cyclictest29021-21rtkit-daemon08:55:120
2769863991310,2cyclictest2834395-21irqcore08:03:330
2769863991310,2cyclictest2805611-21kthreadcore07:38:360
2769863991310,2cyclictest2773117-21kthreadcore07:13:360
2769863991310,2cyclictest2773117-21kthreadcore07:13:360
2649091130,2phc2sys0-21swapper/309:23:293
2649091130,1phc2sys0-21swapper/311:28:433
276986599129,1cyclictest0-21swapper/212:08:412
276986599129,1cyclictest0-21swapper/212:00:362
276986599129,1cyclictest0-21swapper/210:55:002
276986599129,1cyclictest0-21swapper/210:38:342
276986599129,1cyclictest0-21swapper/210:28:352
276986599129,1cyclictest0-21swapper/207:53:292
276986599127,3cyclictest2815048-21chrt07:45:402
276986599121,7cyclictest0-21swapper/207:30:012
2769865991210,1cyclictest0-21swapper/212:35:022
2769865991210,1cyclictest0-21swapper/211:50:012
2769865991210,1cyclictest0-21swapper/211:43:372
2769865991210,1cyclictest0-21swapper/211:33:322
2769865991210,1cyclictest0-21swapper/208:50:502
2769865991210,1cyclictest0-21swapper/208:35:012
2769865991210,1cyclictest0-21swapper/207:13:362
2769865991210,1cyclictest0-21swapper/207:13:362
276986499129,2cyclictest3116368-21awk11:55:001
276986499129,2cyclictest3104766-21aten_repower_po11:48:291
276986499129,2cyclictest3038535-21aten_repower_en10:53:281
276986499129,2cyclictest2911591-21aten_repower_en09:08:291
276986499129,2cyclictest0-21swapper/107:55:011
276986399129,2cyclictest2919939-21kthreadcore09:13:360
2769863991210,1cyclictest29021-21rtkit-daemon09:06:430
2649091120,2phc2sys0-21swapper/312:19:563
2649091120,2phc2sys0-21swapper/310:54:283
2649091120,2phc2sys0-21swapper/310:48:283
2649091120,1phc2sys0-21swapper/312:31:273
276986599119,1cyclictest0-21swapper/212:39:312
276986599119,1cyclictest0-21swapper/211:56:302
276986599119,1cyclictest0-21swapper/211:21:422
276986599119,1cyclictest0-21swapper/210:05:552
276986599119,1cyclictest0-21swapper/209:40:192
276986599119,1cyclictest0-21swapper/209:11:392
276986599119,1cyclictest0-21swapper/208:47:042
276986599119,1cyclictest0-21swapper/208:41:122
276986599119,1cyclictest0-21swapper/207:30:162
276986599118,1cyclictest0-21swapper/209:45:262
2649091112,2phc2sys0-21swapper/310:33:413
2649091111,1phc2sys0-21swapper/308:24:583
2649091110,2phc2sys0-21swapper/308:00:013
2649091110,1phc2sys0-21swapper/312:26:583
2649091110,1phc2sys0-21swapper/311:57:253
2649091110,1phc2sys0-21swapper/307:23:103
276986399108,1cyclictest0-21swapper/007:10:010
2649091101,2phc2sys0-21swapper/312:23:423
2649091101,2phc2sys0-21swapper/310:10:013
2649091101,2phc2sys0-21swapper/307:33:363
2649091101,2phc2sys0-21swapper/307:20:013
2649091101,1phc2sys0-21swapper/311:13:323
2649091100,2phc2sys0-21swapper/308:43:293
2649091100,2phc2sys0-21swapper/308:33:283
2649091100,2phc2sys0-21swapper/307:36:083
2649091100,2phc2sys0-21swapper/307:13:283
2649091100,2phc2sys0-21swapper/307:13:283
2649091100,1phc2sys0-21swapper/312:12:003
2649091100,1phc2sys0-21swapper/312:01:503
2649091100,1phc2sys0-21swapper/310:42:593
2649091100,1phc2sys0-21swapper/309:33:063
2649091100,1phc2sys0-21swapper/309:19:033
2649091100,1phc2sys0-21swapper/309:10:383
2649091100,1phc2sys0-21swapper/309:05:333
2649091100,1phc2sys0-21swapper/308:37:323
2649091100,1phc2sys0-21swapper/308:11:073
264909191,2phc2sys0-21swapper/311:53:403
264909191,2phc2sys0-21swapper/309:55:173
264909190,7phc2sys0-21swapper/311:08:203
264909190,4phc2sys0-21swapper/307:43:293
264909190,2phc2sys0-21swapper/312:06:523
264909190,2phc2sys0-21swapper/311:38:413
264909190,2phc2sys0-21swapper/311:33:323
264909190,2phc2sys0-21swapper/311:18:293
264909190,2phc2sys0-21swapper/310:38:303
264909190,2phc2sys0-21swapper/310:28:283
264909190,2phc2sys0-21swapper/310:04:563
264909190,2phc2sys0-21swapper/309:53:343
264909190,2phc2sys0-21swapper/309:26:293
264909190,2phc2sys0-21swapper/309:04:563
264909190,2phc2sys0-21swapper/308:54:563
264909190,2phc2sys0-21swapper/308:28:313
264909190,2phc2sys0-21swapper/307:48:313
264909190,2phc2sys0-21swapper/307:07:423
264909190,1phc2sys0-21swapper/311:40:213
264909190,1phc2sys0-21swapper/308:08:183
264909190,1phc2sys0-21swapper/308:02:123
264909181,2phc2sys0-21swapper/312:37:403
264909181,2phc2sys0-21swapper/308:18:283
264909181,2phc2sys0-21swapper/307:52:273
264909180,2phc2sys0-21swapper/311:48:353
264909180,2phc2sys0-21swapper/310:20:273
264909180,2phc2sys0-21swapper/310:14:553
264909180,2phc2sys0-21swapper/308:48:303
264909180,1phc2sys0-21swapper/311:21:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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