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2026-06-26 - 19:49
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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
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackeslot6.osadl.org (updated Fri Jun 26, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
315913399146138,5cyclictest3238391-21kworker/u8:3+flush-179:011:33:370
315913799135125,7cyclictest3254675-21latency_hist12:05:011
315913799125117,5cyclictest3244756-21apt-get11:33:291
315913799125115,7cyclictest3168608-21latency_hist07:40:011
315913799116105,8cyclictest3217641-21kworker/u8:1+flush-179:010:20:231
31591379910891,14cyclictest3197509-21latency_hist09:10:001
31591339910797,8cyclictest1213033-21systemd-journal10:40:010
31591379910595,7cyclictest3256261-21latency_hist12:10:011
31591379910495,6cyclictest3162218-21latency_hist07:20:011
31591339910393,7cyclictest3238278-21kworker/u8:1+events_unbound12:15:000
31591339910294,6cyclictest3238278-21kworker/u8:1+flush-179:011:40:000
31591339910291,6cyclictest3188009-21kworker/u8:1+flush-179:008:45:220
31591379910192,6cyclictest3204401-21latency_hist09:30:011
3159137999888,7cyclictest3265818-21latency_hist12:40:011
3159133999890,5cyclictest3217695-21kworker/u8:2+events_unbound10:55:230
3159133999890,5cyclictest3217695-21kworker/u8:2+events_unbound10:55:220
3159133999890,5cyclictest3205411-21kworker/u8:0+flush-179:010:05:160
3159133999791,4cyclictest3205411-21kworker/u8:0+flush-179:009:50:010
3159133999787,8cyclictest1213033-21systemd-journal08:00:000
3159133999782,12cyclictest3207893-21gpgv09:40:020
3159133999690,4cyclictest3199076-21kworker/u8:1+flush-179:009:15:220
315914299950,1cyclictest0-21swapper/307:25:593
315914299950,1cyclictest0-21swapper/307:25:583
3159137999586,6cyclictest3238391-21kworker/u8:3+flush-179:011:25:011
3159133999590,4cyclictest3184769-21kworker/u8:0+events_unbound08:30:010
3159133999582,9cyclictest3205411-21kworker/u8:0+flush-179:010:00:000
3159137999285,5cyclictest3191399-21apt-get08:50:121
3159133999084,5cyclictest3238391-21kworker/u8:3+events_unbound11:30:000
3159133999079,4cyclictest3211064-21kworker/u8:3+events_unbound09:50:260
3159137998979,7cyclictest1213033-21systemd-journal07:25:011
3159137998975,10cyclictest3215814-21latency_hist10:05:021
3159133998983,4cyclictest3243187-21kworker/u8:2+flush-179:011:40:210
3159137998877,8cyclictest1213033-21systemd-journal12:00:001
3159137998782,4cyclictest3199076-21kworker/u8:1+flush-179:009:15:211
3159133998781,4cyclictest3217695-21kworker/u8:2+flush-179:010:40:220
3159133998780,4cyclictest3169624-21kworker/u8:0+events_unbound08:20:230
3159133998777,7cyclictest3192965-21kworker/u8:0+flush-179:009:05:230
3159133998775,9cyclictest3178666-21apt-get08:10:110
3159137998678,5cyclictest3231987-21latency_hist10:55:021
3159133998680,4cyclictest3238278-21kworker/u8:1+flush-179:011:55:010
3159133998678,5cyclictest3259448-21latency_hist12:20:010
3159137998574,8cyclictest3190614-21kworker/u8:3+flush-179:009:00:011
3159133998580,4cyclictest3190614-21kworker/u8:3+flush-179:009:00:210
3159137998476,5cyclictest3264219-21latency_hist12:35:001
3159137998374,7cyclictest3172302-21apt-get07:50:101
3159137998374,7cyclictest3172302-21apt-get07:50:101
3159133998377,4cyclictest3222425-21kworker/u8:3+flush-179:010:34:210
3159133998377,4cyclictest3200926-21kworker/u8:2+flush-179:009:20:150
3159133998377,4cyclictest3169624-21kworker/u8:0+flush-179:007:40:240
3159133998376,5cyclictest3159058-21kworker/u8:1+events_unbound08:00:230
3159133998364,11cyclictest510-21rs:main0
3159133998174,6cyclictest3217641-21kworker/u8:1+flush-179:010:20:000
3159133998072,5cyclictest3190614-21kworker/u8:3+events_unbound08:55:000
3159137997866,9cyclictest510-21rs:main1
3159137997866,9cyclictest510-21rs:main1
3159137997865,9cyclictest510-21rs:main1
3159133997872,4cyclictest3238278-21kworker/u8:1+flush-179:012:35:210
3159133997869,6cyclictest3231968-21kworker/u8:0+flush-179:011:10:000
3159137997762,11cyclictest1213033-21systemd-journal09:35:211
3159137997665,8cyclictest3222425-21kworker/u8:3+flush-179:010:30:001
3159133997670,4cyclictest3238391-21kworker/u8:3+flush-179:011:24:550
3159133997666,8cyclictest3217641-21kworker/u8:1+events_unbound10:10:240
3159137997566,7cyclictest3257848-21latency_hist12:15:001
3159133997571,2cyclictest3251248-21http11:55:010
3159133997566,6cyclictest3204943-21diskstats09:30:150
3159133997561,5cyclictest3159058-21kworker/u8:1+events_unbound07:35:010
3159133997467,5cyclictest3184769-21kworker/u8:0+events_unbound08:30:250
3159133997465,6cyclictest3243187-21kworker/u8:2+flush-179:011:45:210
3159133997465,6cyclictest3243187-21kworker/u8:2+flush-179:011:45:210
3159133997464,7cyclictest3222443-21latency_hist10:25:020
3159133997367,4cyclictest3207561-21kworker/u8:1+flush-179:010:00:250
3159133997267,4cyclictest3238278-21kworker/u8:1+flush-179:012:00:320
3159133997265,5cyclictest3228848-21kworker/u8:1+flush-179:010:50:160
3159137997160,8cyclictest3243187-21kworker/u8:2+flush-179:011:45:011
3159133997164,4cyclictest3238278-21kworker/u8:1+events_unbound12:05:230
3159133997161,8cyclictest3160870-21apt-get07:15:150
3159137997053,8cyclictest1213033-21systemd-journal10:19:251
3159137996958,8cyclictest3169624-21kworker/u8:0+flush-179:007:55:261
3159133996963,4cyclictest3159058-21kworker/u8:1+flush-179:007:35:210
3159133996961,4cyclictest3184769-21kworker/u8:0+flush-179:008:40:170
3159133996862,4cyclictest3181559-21kworker/u8:2+flush-179:008:35:200
3159133996854,11cyclictest3171793-21apt-get07:50:010
3159137996757,8cyclictest3167019-21kworker/u8:2+flush-179:007:45:221
3159133996761,4cyclictest3152952-21kworker/u8:3+events_unbound07:10:370
3159133996759,6cyclictest3177284-21expr08:05:150
3159133996752,11cyclictest3209444-21latency_hist09:45:010
3159137996656,8cyclictest1213033-21systemd-journal10:55:121
3159137996656,8cyclictest1213033-21systemd-journal10:55:121
3159137996651,12cyclictest1213033-21systemd-journal10:45:001
3159133996660,4cyclictest3228848-21kworker/u8:1+flush-179:010:45:170
3159137996558,5cyclictest3205411-21kworker/u8:0+flush-179:009:55:161
3159137996455,6cyclictest510-21rs:main1
3159137996452,9cyclictest3207561-21kworker/u8:1+events_unbound09:45:011
3159133996458,4cyclictest3169624-21kworker/u8:0+events_unbound08:15:140
3159133996452,8cyclictest1213033-21systemd-journal07:55:010
3159133996452,8cyclictest1213033-21systemd-journal07:55:010
3159137996357,5cyclictest3243187-21kworker/u8:2+flush-179:011:45:261
3159137996357,5cyclictest3243187-21kworker/u8:2+flush-179:011:45:251
3159133996355,5cyclictest3238278-21kworker/u8:1+flush-179:012:30:010
3159133996354,7cyclictest3257825-21kworker/u8:3+events_unbound12:20:140
3159137996258,2cyclictest714-21Xorg10:11:591
3159137996252,8cyclictest3222425-21kworker/u8:3+flush-179:010:35:011
3159133996250,8cyclictest3238278-21kworker/u8:1+events_unbound11:15:210
3159142996152,6cyclictest3265843-21turbostat12:40:003
3159137996153,6cyclictest3205411-21kworker/u8:0+flush-179:009:30:221
3159139996057,2cyclictest0-21swapper/212:15:592
3159137996054,4cyclictest3189814-21apt-get08:45:111
3159137996049,8cyclictest3251351-21store11:55:001
3159133996056,3cyclictest3257825-21kworker/u8:3+flush-179:012:30:220
3159133996054,5cyclictest3217695-21kworker/u8:2+flush-179:010:25:250
3159133995950,6cyclictest3199076-21kworker/u8:1+flush-179:009:25:160
3159137995851,5cyclictest3184769-21kworker/u8:0+flush-179:008:35:001
3159137995847,8cyclictest3212617-21latency_hist09:55:001
3159137995847,8cyclictest3178411-21latency_hist08:10:011
3159137995845,10cyclictest1213033-21systemd-journal10:50:001
3159137995643,9cyclictest1213033-21systemd-journal11:15:001
3159133995649,4cyclictest3192965-21kworker/u8:0+flush-179:009:10:200
3159137995551,2cyclictest3199076-21kworker/u8:1+events_unbound09:25:001
3159137995546,6cyclictest3169624-21kworker/u8:0+events_unbound08:05:011
3159133995348,4cyclictest3163772-21kworker/u8:0+flush-179:007:20:270
3159133995345,6cyclictest3231968-21kworker/u8:0+flush-179:011:10:260
3159137995248,2cyclictest714-21Xorg12:15:591
3159137995143,6cyclictest3238898-21diskstats11:15:151
3159137995141,8cyclictest1213033-21systemd-journal07:32:211
4577091490,13ptp4l441ktimers/307:10:013
3159137994642,2cyclictest714-21Xorg11:28:591
3159137994534,9cyclictest3217695-21kworker/u8:2+events_unbound11:05:141
3159137994439,4cyclictest3222425-21kworker/u8:3+events_unbound10:35:151
3159137994333,8cyclictest3169624-21kworker/u8:0+flush-179:008:15:221
3159137994329,10cyclictest1213033-21systemd-journal09:05:011
3159137994234,5cyclictest321-21hwrng07:11:591
3159137994232,8cyclictest3245112-21apt-get11:35:121
3159133994237,4cyclictest714-21Xorg07:29:000
3159133994237,4cyclictest714-21Xorg07:29:000
315914299410,39cyclictest3224042-21turbostat10:30:003
3159137994135,5cyclictest3181559-21kworker/u8:2+flush-179:008:35:161
315913799411,38cyclictest714-21Xorg08:23:591
3159133994135,5cyclictest3190614-21kworker/u8:3+flush-179:008:55:260
315914299390,4cyclictest3246464-21turbostat11:40:003
315914299390,37cyclictest3243153-21turbostat11:30:013
3159137993935,2cyclictest714-21Xorg12:24:591
3159137993932,5cyclictest3176802-21kworker/u8:2+events_unbound08:10:141
3159142993833,4cyclictest3233600-21turbostat11:04:553
3159139993834,2cyclictest0-21swapper/210:56:002
3159139993834,2cyclictest0-21swapper/210:55:592
3159139993834,2cyclictest0-21swapper/208:49:592
315913999380,36cyclictest0-21swapper/212:20:592
315913999380,36cyclictest0-21swapper/211:34:002
315913999380,36cyclictest0-21swapper/209:21:592
315913999380,35cyclictest0-21swapper/209:47:592
315913999370,35cyclictest0-21swapper/210:31:002
315913999370,35cyclictest0-21swapper/207:40:582
315913999370,2cyclictest0-21swapper/211:25:592
4577091360,28ptp4l441ktimers/311:30:143
315914299360,1cyclictest0-21swapper/311:59:593
3159139993633,2cyclictest0-21swapper/210:52:582
3159139993633,2cyclictest0-21swapper/209:18:582
3159139993633,2cyclictest0-21swapper/207:55:592
3159139993632,2cyclictest0-21swapper/210:03:592
315913999360,34cyclictest0-21swapper/208:33:592
3159137993627,6cyclictest3183446-21apt-get08:25:131
315913799360,6cyclictest714-21Xorg08:42:001
3159142993533,1cyclictest0-21swapper/312:08:593
3159142993533,1cyclictest0-21swapper/311:15:593
315914299350,1cyclictest0-21swapper/312:24:553
3159139993532,2cyclictest0-21swapper/211:21:592
3159139993532,2cyclictest0-21swapper/208:26:582
3159139993531,2cyclictest0-21swapper/210:42:592
315913999350,1cyclictest0-21swapper/208:09:592
315913999350,1cyclictest0-21swapper/207:37:592
3159137993529,4cyclictest3197764-21apt-get09:10:121
3159137993527,6cyclictest3261299-21apt-get12:25:111
3159137993526,7cyclictest3231968-21kworker/u8:0+events_unbound11:00:151
3159133993527,7cyclictest3159002-21latency_hist07:10:020
4577091340,11ptp4l441ktimers/307:25:013
3159139993431,2cyclictest0-21swapper/212:07:592
3159142993330,2cyclictest0-21swapper/310:49:593
3159139993330,2cyclictest0-21swapper/207:31:592
3159139993229,2cyclictest0-21swapper/210:16:592
3159139993229,2cyclictest0-21swapper/209:06:592
3159142993129,1cyclictest0-21swapper/310:21:593
3159142993129,1cyclictest0-21swapper/308:20:583
315914299310,2cyclictest3251229-21turbostat11:55:013
3159139993128,2cyclictest0-21swapper/209:51:582
3159139993128,2cyclictest0-21swapper/208:13:592
3159139993127,3cyclictest0-21swapper/208:24:592
315913999310,29cyclictest0-21swapper/211:05:132
3159137993128,2cyclictest0-21swapper/107:40:591
3159142993028,1cyclictest0-21swapper/311:11:593
3159142993027,2cyclictest0-21swapper/307:35:123
3159142993024,5cyclictest3233600-21turbostat11:00:013
3159142993024,5cyclictest3233600-21turbostat11:00:003
3159139993028,1cyclictest0-21swapper/210:24:582
3159139993027,2cyclictest0-21swapper/210:05:022
3159139993027,2cyclictest0-21swapper/208:00:122
3159139993027,2cyclictest0-21swapper/207:50:022
3159139993027,2cyclictest0-21swapper/207:50:022
315913999300,28cyclictest0-21swapper/209:40:132
315913999300,28cyclictest0-21swapper/208:50:132
4577091290,7ptp4l441ktimers/308:59:553
3159142992927,1cyclictest0-21swapper/312:16:593
3159142992923,5cyclictest3181603-21turbostat08:20:003
315914299290,28cyclictest0-21swapper/309:50:133
315914299290,27cyclictest3249648-21turbostat11:50:003
315914299290,27cyclictest3249648-21turbostat11:50:003
315914299290,27cyclictest0-21swapper/312:10:123
315914299290,27cyclictest0-21swapper/309:15:023
315914299290,27cyclictest0-21swapper/307:50:023
315914299290,1cyclictest0-21swapper/308:25:133
3159139992926,2cyclictest0-21swapper/212:29:552
3159139992926,2cyclictest0-21swapper/207:15:162
315913999290,27cyclictest0-21swapper/211:55:012
315913999290,27cyclictest0-21swapper/211:40:112
315913999290,27cyclictest0-21swapper/210:45:142
315913999290,27cyclictest0-21swapper/210:10:132
315913999290,27cyclictest0-21swapper/207:20:132
4577091280,7ptp4l61490irq/134-eno1-TxRx-007:45:013
4577091280,7ptp4l441ktimers/310:00:003
4577091280,6ptp4l441ktimers/310:35:003
4577091280,6ptp4l441ktimers/310:05:003
4577091280,6ptp4l441ktimers/309:10:013
4577091280,5ptp4l441ktimers/310:10:013
3159142992826,1cyclictest0-21swapper/309:35:593
3159142992826,1cyclictest0-21swapper/309:24:593
3159142992826,1cyclictest0-21swapper/308:10:123
3159142992826,1cyclictest0-21swapper/308:05:143
315914299280,26cyclictest0-21swapper/312:00:123
315914299280,26cyclictest0-21swapper/309:40:023
3159139992825,2cyclictest0-21swapper/212:35:002
3159139992825,2cyclictest0-21swapper/208:16:592
3159139992825,2cyclictest0-21swapper/207:12:592
3159139992824,2cyclictest0-21swapper/212:39:002
315913999280,26cyclictest0-21swapper/209:04:582
4577091270,6ptp4l61490irq/134-eno1-TxRx-010:20:003
4577091270,6ptp4l61490irq/134-eno1-TxRx-008:50:003
4577091270,6ptp4l441ktimers/311:25:013
4577091270,6ptp4l441ktimers/309:50:003
4577091270,6ptp4l441ktimers/308:00:003
4577091270,5ptp4l441ktimers/309:35:013
315914299270,26cyclictest0-21swapper/311:08:583
315914299270,26cyclictest0-21swapper/308:32:593
315914299270,1cyclictest0-21swapper/310:38:583
315913999270,25cyclictest0-21swapper/209:30:592
4577091260,6ptp4l61490irq/134-eno1-TxRx-008:05:003
4577091260,6ptp4l441ktimers/307:34:563
4577091260,5ptp4l441ktimers/311:44:563
3159142992624,1cyclictest0-21swapper/312:34:593
315914299260,2cyclictest3187958-21turbostat08:40:003
315914299260,25cyclictest0-21swapper/307:51:593
315914299260,25cyclictest0-21swapper/307:51:593
3159139992623,2cyclictest0-21swapper/211:50:112
3159139992623,2cyclictest0-21swapper/209:29:002
315913999260,2cyclictest0-21swapper/211:00:592
315913999260,24cyclictest0-21swapper/211:35:592
315913999260,24cyclictest0-21swapper/207:45:142
4577091250,5ptp4l61490irq/134-eno1-TxRx-008:45:003
4577091250,5ptp4l441ktimers/309:29:563
4577091250,5ptp4l441ktimers/308:54:563
4577091250,4ptp4l61490irq/134-eno1-TxRx-007:14:563
4577091250,4ptp4l441ktimers/309:14:553
3159142992523,1cyclictest0-21swapper/307:16:593
315914299250,24cyclictest0-21swapper/312:26:593
3159139992522,2cyclictest0-21swapper/212:10:592
4577091240,4ptp4l61490irq/134-eno1-TxRx-010:55:003
4577091240,4ptp4l61490irq/134-eno1-TxRx-010:44:563
4577091240,4ptp4l441ktimers/310:09:563
315914299240,23cyclictest0-21swapper/309:00:133
3159139992421,2cyclictest0-21swapper/210:26:002
3159139992421,2cyclictest0-21swapper/208:40:122
3159139992320,2cyclictest0-21swapper/209:37:592
3159139992320,2cyclictest0-21swapper/208:39:562
3159139992219,2cyclictest0-21swapper/211:47:002
3159139992219,2cyclictest0-21swapper/211:46:592
3159139992118,2cyclictest0-21swapper/208:55:592
3159139992017,1cyclictest0-21swapper/211:14:592
3159139991916,2cyclictest0-21swapper/209:10:132
3159137991915,3cyclictest0-21swapper/107:10:021
3159139991814,2cyclictest0-21swapper/212:00:122
3159139991714,2cyclictest0-21swapper/211:18:002
315913999130,11cyclictest0-21swapper/209:57:202
31591399974,2cyclictest0-21swapper/210:36:092
31591399960,5cyclictest0-21swapper/207:25:102
31591399960,5cyclictest0-21swapper/207:25:102
31591399950,4cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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