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2025-11-16 - 18:02
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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 Nov 16, 2025 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
309232421070,2sleep30-21swapper/307:55:483
34142722340,2sleep13414275-21aten_repower_vo11:25:381
3029960993018,7cyclictest0-21swapper/012:05:010
31175112280,2sleep30-21swapper/308:20:013
3029961992821,2cyclictest170550irq/121-eno111:05:411
3029960992720,6cyclictest3221956-21latency_hist09:35:000
3029960992720,6cyclictest3221956-21latency_hist09:35:000
3029960992716,6cyclictest3467307-21kthreadcore11:55:400
3029962992619,4cyclictest0-21swapper/208:10:012
3029962992619,4cyclictest0-21swapper/208:10:012
3029960992619,6cyclictest3453812-21/usr/sbin/munin11:45:460
3029961992520,1cyclictest11systemd09:45:001
302996099255,15cyclictest0-21swapper/008:26:080
3029960992314,5cyclictest3531953-21grep12:30:480
3029960992314,5cyclictest3500715-21/usr/sbin/munin12:15:420
3029960992312,6cyclictest0-21swapper/011:35:020
302996099231,17cyclictest0-21swapper/010:45:430
302996199229,4cyclictest3191667-21kthreadcore09:15:411
3029960992219,2cyclictest3282909-21grep10:10:020
3029960992219,2cyclictest0-21swapper/008:40:010
3029960992215,1cyclictest0-21swapper/008:20:000
3029960992213,4cyclictest0-21swapper/011:15:000
3029960992212,5cyclictest0-21swapper/009:40:000
3029961992115,2cyclictest170550irq/121-eno107:15:461
302996199211,3cyclictest3431395-21apt-get11:35:341
3029961992111,3cyclictest1652-1atopacctd09:20:371
302996099216,5cyclictest0-21swapper/010:25:000
3029960992112,5cyclictest3382594-21kthreadcore11:05:420
302996099211,13cyclictest0-21swapper/012:12:040
3029960992110,6cyclictest0-21swapper/012:10:010
3029962992014,3cyclictest0-21swapper/209:45:342
302996199209,3cyclictest3413399-21sh11:25:001
302996199208,3cyclictest3440175-21aten_repower_po11:40:361
3029961992016,3cyclictest3352322-21latency_hist10:50:011
3029961992016,3cyclictest3216771-21kthreadcore09:30:441
3029961992016,3cyclictest3216771-21kthreadcore09:30:441
3029961992015,4cyclictest3373144-21sed11:00:421
3029961992013,2cyclictest3504394-21kthreadcore12:15:431
3029961992012,3cyclictest0-21swapper/112:30:011
302996099208,5cyclictest3336231-21gltestperf10:40:500
302996099207,5cyclictest3062970-21tail07:35:370
3029960992017,2cyclictest3540134-21phc2sys-jitter12:35:460
3029960992013,6cyclictest0-21swapper/011:25:470
3029962991916,1cyclictest0-21swapper/209:35:002
3029962991916,1cyclictest0-21swapper/209:35:002
3029962991915,2cyclictest0-21swapper/211:15:392
302996199199,6cyclictest3056538-21awk07:30:001
302996199198,6cyclictest3223089-21sh09:35:401
3029961991916,2cyclictest3390618-21kthreadcore11:10:421
3029961991916,2cyclictest3123595-21idleruntime-cro08:25:001
3029961991916,2cyclictest3062566-21sh07:35:001
3029961991916,2cyclictest1702-21in:imuxsock10:05:011
3029961991916,2cyclictest0-21swapper/109:50:011
3029961991916,2cyclictest0-21swapper/108:35:011
3029961991915,3cyclictest3343681-21apt-key10:45:011
3029961991915,3cyclictest3206609-21kthreadcore09:25:431
3029961991915,3cyclictest3036082-21systemd-run07:15:011
3029961991915,3cyclictest3036082-21systemd-run07:15:011
3029961991912,3cyclictest3286691-21kthreadcore10:10:431
3029961991910,4cyclictest3332302-21kworker/u16:4-events_unbound11:35:021
302996099199,2cyclictest0-21swapper/011:00:000
302996099198,6cyclictest0-21swapper/009:40:370
302996099198,6cyclictest0-21swapper/009:20:420
302996099197,5cyclictest3309237-21sort10:25:340
302996099195,5cyclictest3355859-21kthreadcore10:50:420
302996099195,2cyclictest0-21swapper/011:39:160
302996099193,7cyclictest3259916-21tr09:55:410
302996099193,6cyclictest0-21swapper/012:25:370
3029960991916,2cyclictest3036135-21irqcore07:15:010
3029960991916,2cyclictest3036135-21irqcore07:15:010
3029960991910,5cyclictest3195974-21munin-run09:20:010
302487291190,2phc2sys0-21swapper/309:40:463
3029962991816,1cyclictest0-21swapper/211:50:012
3029962991815,1cyclictest0-21swapper/211:15:012
3029962991815,1cyclictest0-21swapper/209:25:012
302996199189,5cyclictest3470712-21latency11:55:421
302996199188,6cyclictest3105129-21awk08:10:001
302996199188,6cyclictest3105129-21awk08:10:001
302996199188,3cyclictest0-21swapper/110:55:411
302996199187,3cyclictest0-21swapper/110:25:421
3029961991815,2cyclictest3536387-21irqrtprio12:35:421
3029961991815,2cyclictest3303471-21kthreadcore10:20:421
3029961991815,2cyclictest3175804-21kthreadcore09:05:441
3029961991815,2cyclictest3137182-21if_enp1s0.808:35:391
3029961991815,2cyclictest3124075-21aten_repower_po08:25:361
3029961991815,2cyclictest3079966-21proc_pri07:45:451
3029961991815,2cyclictest3071798-21kthreadcore07:40:451
3029961991815,2cyclictest1700-21systemd-logind10:00:011
3029961991815,2cyclictest0-21swapper/110:10:011
3029961991814,3cyclictest3514405-21sendmail_mailqu12:20:441
3029961991814,3cyclictest3294778-21kthreadcore10:15:451
3029961991814,3cyclictest3165490-21latency08:55:441
3029961991814,3cyclictest3068075-21timerandwakeup07:35:491
3029961991813,4cyclictest3354968-21kthreadcore10:50:421
3029961991813,4cyclictest3329599-21cut10:35:421
302996099188,5cyclictest0-21swapper/012:24:060
302996099187,6cyclictest3111382-21munin-run08:15:010
302996099187,6cyclictest0-21swapper/009:00:470
3029960991815,2cyclictest3413545-21grep11:25:020
3029960991815,2cyclictest3105318-21sh08:10:010
3029960991815,2cyclictest3105318-21sh08:10:010
3029960991815,2cyclictest0-21swapper/011:05:000
302996099180,2cyclictest3318009-21/usr/sbin/munin10:30:390
302487291180,3phc2sys0-21swapper/312:18:153
302487291180,3phc2sys0-21swapper/310:58:353
302487291180,2phc2sys0-21swapper/310:45:543
34464962170,2sleep20-21swapper/211:42:232
3029962991714,1cyclictest0-21swapper/210:50:432
302996199174,8cyclictest3160660-21cat08:55:011
302996199173,9cyclictest3086930-21cat07:55:011
3029961991714,2cyclictest3319204-21tr10:30:431
3029961991714,2cyclictest3179743-21cpuspeed_turbos09:10:361
3029961991714,2cyclictest3108242-21kthreadcore08:10:431
3029961991713,3cyclictest3527978-21kthreadcore12:30:411
3029961991713,3cyclictest3494953-21kthreadcore12:10:421
3029961991713,3cyclictest3459973-21kthreadcore11:50:411
3029961991713,3cyclictest3116119-21kthreadcore08:15:411
3029961991713,3cyclictest3094617-21kernelversion08:00:431
3029961991713,3cyclictest3047488-21kthreadcore07:20:421
3029961991712,4cyclictest3250662-21kthreadcore09:50:411
3029961991711,2cyclictest170550irq/121-eno111:47:581
302996099179,2cyclictest0-21swapper/010:10:430
302996099178,5cyclictest3160961-21aten_repower_en08:55:360
302996099178,2cyclictest0-21swapper/009:48:520
302996099175,2cyclictest0-21swapper/009:55:020
302996099174,4cyclictest0-21swapper/010:35:350
302996099172,5cyclictest0-21swapper/011:40:470
302996099171,8cyclictest3396700-21/usr/sbin/munin11:15:450
302996099171,7cyclictest0-21swapper/008:50:430
3029960991714,2cyclictest3299919-21latency_hist10:20:010
3029960991714,2cyclictest3135767-21gpgv08:35:010
3029960991714,2cyclictest0-21swapper/007:15:030
3029960991710,6cyclictest3180628-21irqrtprio09:10:400
302996099170,8cyclictest3206745-21grep09:25:430
302487291170,3phc2sys0-21swapper/310:01:413
302487291170,2phc2sys0-21swapper/310:06:593
302996299161,6cyclictest0-21swapper/211:50:342
3029962991614,1cyclictest0-21swapper/207:10:402
3029962991614,1cyclictest0-21swapper/207:10:402
3029962991613,1cyclictest0-21swapper/211:31:152
3029962991613,1cyclictest0-21swapper/211:00:112
3029962991613,1cyclictest0-21swapper/210:05:482
3029962991613,1cyclictest0-21swapper/210:00:382
3029962991613,1cyclictest0-21swapper/209:35:442
3029962991613,1cyclictest0-21swapper/208:45:012
3029962991613,1cyclictest0-21swapper/208:40:012
3029962991613,1cyclictest0-21swapper/208:35:012
3029961991613,2cyclictest3167049-21aten2.4-expect09:00:351
3029961991613,2cyclictest3093228-21systemd-run08:00:021
302996199161,2cyclictest0-21swapper/112:05:421
3029961991612,3cyclictest3479002-21kthreadcore12:00:411
302996099169,6cyclictest0-21swapper/010:00:450
302996099162,9cyclictest0-21swapper/011:51:490
3029960991613,2cyclictest3087496-21cpuspeed_turbos07:55:370
302996099160,7cyclictest3050629-21munin-run07:25:010
302487291160,2phc2sys0-21swapper/309:29:363
3029962991512,1cyclictest0-21swapper/212:35:442
3029962991512,1cyclictest0-21swapper/211:38:032
3029962991512,1cyclictest0-21swapper/211:21:382
3029962991512,1cyclictest0-21swapper/211:05:402
3029962991512,1cyclictest0-21swapper/210:19:562
3029962991512,1cyclictest0-21swapper/209:15:482
3029962991512,1cyclictest0-21swapper/208:52:092
3029962991512,1cyclictest0-21swapper/208:25:002
3029962991512,1cyclictest0-21swapper/208:05:002
3029962991512,1cyclictest0-21swapper/207:55:012
3029962991511,2cyclictest0-21swapper/212:10:432
302996299150,12cyclictest0-21swapper/210:21:012
3029961991512,2cyclictest3149425-21grep08:45:391
3029961991512,2cyclictest3145403-21kthreadcore08:40:591
3029961991510,4cyclictest3400390-21tr11:15:431
302996099155,2cyclictest3143958-21irqstats08:40:570
302996099155,2cyclictest3056845-21/usr/sbin/munin07:30:400
3029960991512,2cyclictest3052087-21kthreadcore07:25:410
3029960991512,2cyclictest1652-1atopacctd08:45:420
3029960991512,2cyclictest0-21swapper/007:10:010
302996099150,8cyclictest3177093-21cut09:05:450
302487291150,2phc2sys0-21swapper/310:21:553
302487291150,2phc2sys0-21swapper/310:15:563
3029962991412,1cyclictest0-21swapper/210:40:542
3029962991411,2cyclictest0-21swapper/210:10:422
3029962991411,2cyclictest0-21swapper/209:44:342
3029962991411,1cyclictest0-21swapper/212:20:352
3029962991411,1cyclictest0-21swapper/211:25:412
3029962991411,1cyclictest0-21swapper/210:30:442
3029962991411,1cyclictest0-21swapper/209:28:412
3029962991411,1cyclictest0-21swapper/209:10:402
3029962991411,1cyclictest0-21swapper/208:20:012
3029962991410,2cyclictest0-21swapper/212:25:452
3029962991410,2cyclictest0-21swapper/210:55:402
3029962991410,2cyclictest0-21swapper/209:55:402
3029962991410,2cyclictest0-21swapper/209:00:472
3029961991411,2cyclictest3030069-21/usr/sbin/munin07:10:021
3029960991411,2cyclictest3098021-21missed_timers08:00:460
3029960991411,2cyclictest3081454-21cpuspeed_turbos07:50:360
3029960991410,3cyclictest3078664-21kthreadcore07:45:430
302996099140,7cyclictest3117908-21aten_repower_cu08:20:340
302487291144,2phc2sys0-21swapper/309:38:493
302487291140,4phc2sys0-21swapper/307:51:083
302487291140,2phc2sys0-21swapper/312:23:383
302487291140,2phc2sys0-21swapper/311:16:183
302487291140,2phc2sys0-21swapper/310:35:243
302487291140,2phc2sys0-21swapper/308:00:033
302487291140,2phc2sys0-21swapper/307:25:003
302996299139,2cyclictest0-21swapper/208:55:442
302996299139,2cyclictest0-21swapper/207:20:232
302996299131,8cyclictest0-21swapper/207:20:012
3029962991311,1cyclictest0-21swapper/212:30:442
3029962991311,1cyclictest0-21swapper/212:15:422
3029962991311,1cyclictest0-21swapper/212:05:422
3029962991311,1cyclictest0-21swapper/211:55:392
3029962991311,1cyclictest0-21swapper/210:49:332
3029962991311,1cyclictest0-21swapper/209:50:452
3029962991311,1cyclictest0-21swapper/208:10:432
3029962991311,1cyclictest0-21swapper/207:30:012
3029962991310,1cyclictest0-21swapper/210:35:422
3029962991310,1cyclictest0-21swapper/210:25:392
3029962991310,1cyclictest0-21swapper/209:05:452
3029962991310,1cyclictest0-21swapper/208:45:382
3029962991310,1cyclictest0-21swapper/208:25:412
3029962991310,1cyclictest0-21swapper/207:55:372
3029962991310,1cyclictest0-21swapper/207:35:492
302996099130,5cyclictest3069009-21/usr/sbin/munin07:40:370
302487291131,3phc2sys0-21swapper/312:08:223
302487291131,3phc2sys0-21swapper/309:59:253
302487291130,2phc2sys0-21swapper/312:10:033
302487291130,2phc2sys0-21swapper/311:56:403
302487291130,2phc2sys0-21swapper/308:44:103
302487291130,1phc2sys0-21swapper/308:49:563
302996299129,1cyclictest0-21swapper/207:45:402
302996299129,1cyclictest0-21swapper/207:41:262
302996299129,1cyclictest0-21swapper/207:30:412
302487291122,2phc2sys0-21swapper/309:50:033
302487291122,2phc2sys0-21swapper/309:16:333
302487291121,3phc2sys0-21swapper/308:26:023
302487291120,2phc2sys0-21swapper/312:38:163
302487291120,2phc2sys0-21swapper/311:40:223
302487291120,2phc2sys0-21swapper/310:53:573
302487291120,2phc2sys0-21swapper/309:03:383
302487291120,1phc2sys0-21swapper/307:14:263
302487291120,1phc2sys0-21swapper/307:14:263
302996299119,1cyclictest0-21swapper/212:00:352
302487291111,5phc2sys0-21swapper/309:20:353
302487291111,3phc2sys0-21swapper/311:50:383
302487291111,3phc2sys0-21swapper/311:11:153
302487291111,2phc2sys0-21swapper/311:33:273
302487291110,3phc2sys0-21swapper/307:05:373
302487291110,2phc2sys0-21swapper/312:26:383
302487291110,2phc2sys0-21swapper/311:06:263
302487291110,2phc2sys0-21swapper/310:40:493
302487291110,2phc2sys0-21swapper/310:31:553
302487291110,2phc2sys0-21swapper/309:32:163
302487291110,2phc2sys0-21swapper/309:32:163
302487291110,2phc2sys0-21swapper/308:05:113
302487291110,2phc2sys0-21swapper/308:05:113
302487291110,1phc2sys0-21swapper/309:09:273
302487291110,1phc2sys0-21swapper/308:38:173
32454892100,3sleep30-21swapper/309:46:063
302487291102,2phc2sys0-21swapper/312:01:013
302487291101,2phc2sys0-21swapper/312:30:433
302487291101,2phc2sys0-21swapper/311:22:013
302487291100,3phc2sys0-21swapper/311:48:183
302487291100,3phc2sys0-21swapper/311:35:033
302487291100,3phc2sys0-21swapper/310:10:033
302487291100,3phc2sys0-21swapper/307:25:443
302487291100,2phc2sys0-21swapper/311:26:583
302487291100,2phc2sys0-21swapper/310:25:343
302487291100,2phc2sys0-21swapper/309:10:193
302487291100,2phc2sys0-21swapper/308:54:243
302487291100,2phc2sys0-21swapper/308:20:383
302487291100,2phc2sys0-21swapper/307:19:113
30248729191,3phc2sys0-21swapper/307:40:023
30248729191,2phc2sys0-21swapper/308:10:443
30248729190,2phc2sys0-21swapper/311:00:133
30248729190,2phc2sys0-21swapper/308:55:083
30248729190,2phc2sys0-21swapper/307:48:273
30248729190,2phc2sys0-21swapper/307:40:433
30248729190,2phc2sys0-21swapper/307:30:373
30299629981,2cyclictest0-21swapper/207:10:012
30248729180,2phc2sys0-21swapper/308:30:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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