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2025-12-27 - 17:43
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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 376 highest latencies:
System rackeslot6.osadl.org (updated Sat Dec 27, 2025 12:44:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
496430999482,4cyclictest552969-21kworker/u8:2+events_unbound11:20:011
496428999285,6cyclictest585265-21kworker/u8:3+events_unbound12:15:020
496430998781,4cyclictest515753-21kworker/u8:2+events_unbound08:20:241
496430998681,3cyclictest548131-21kworker/u8:3+events_unbound10:05:011
496430998673,5cyclictest501153-21kworker/u8:1+events_unbound07:30:151
496430998580,3cyclictest549964-21kworker/u8:1+flush-179:009:55:251
496430998479,4cyclictest569128-21kworker/u8:3+events_unbound11:05:231
496428998469,5cyclictest1-21systemd07:20:000
496430998271,4cyclictest528237-21kworker/u8:1+events_unbound09:10:251
496428998277,4cyclictest552969-21kworker/u8:2+events_unbound10:50:240
496430998176,4cyclictest506211-21kworker/u8:3+events_unbound07:40:221
496428998176,4cyclictest548131-21kworker/u8:3+events_unbound10:00:240
496428997970,3cyclictest552969-21kworker/u8:2+events_unbound10:45:240
496430997870,5cyclictest593283-21kworker/u8:1+events_unbound12:25:191
496430997870,5cyclictest569128-21kworker/u8:3+events_unbound11:00:221
496430997865,5cyclictest552969-21kworker/u8:2+events_unbound11:40:131
496430997865,5cyclictest552969-21kworker/u8:2+events_unbound11:40:131
496428997869,7cyclictest531711-21latency_hist09:00:010
49642899770,76cyclictest1-21systemd09:09:590
496430997671,4cyclictest515753-21kworker/u8:2+events_unbound08:30:251
496430997670,5cyclictest526089-21kworker/u8:0+flush-179:008:45:011
496430997664,4cyclictest536963-21kworker/u8:2+events_unbound09:15:181
496430997571,3cyclictest585265-21kworker/u8:3+events_unbound12:15:241
496428997571,3cyclictest574368-21kworker/u8:0+flush-179:011:15:240
496428997544,1cyclictest0-21swapper/009:11:000
496430997467,5cyclictest585265-21kworker/u8:3+events_unbound12:10:201
496428997470,3cyclictest496382-21kworker/u8:0+flush-179:007:20:280
496430997368,4cyclictest537023-21kworker/u8:3+events_unbound09:25:241
496428997368,4cyclictest590030-21kworker/u8:0+flush-179:012:05:250
496428997368,4cyclictest574368-21kworker/u8:0+events_unbound11:25:240
496430997268,3cyclictest585265-21kworker/u8:3+flush-179:012:00:211
496428997267,4cyclictest574368-21kworker/u8:0+events_unbound11:10:230
496430997059,4cyclictest574368-21kworker/u8:0+events_unbound11:20:281
496428997065,4cyclictest556084-21kworker/u8:1+events_unbound10:25:250
496428997065,4cyclictest509131-21kworker/u8:0+flush-179:008:25:200
496430996962,5cyclictest542312-21diskstats09:30:151
496430996960,6cyclictest552969-21kworker/u8:2+events_unbound10:30:161
496428996964,4cyclictest501153-21kworker/u8:1+flush-179:007:35:260
496430996863,4cyclictest585265-21kworker/u8:3+flush-179:011:55:241
496430996863,4cyclictest531667-21kworker/u8:0+events_unbound09:10:001
496430996863,4cyclictest496382-21kworker/u8:0+flush-179:007:20:261
496430996857,4cyclictest574368-21kworker/u8:0+events_unbound11:30:231
496428996863,4cyclictest598326-21kworker/u8:3+flush-179:012:35:210
496430996757,5cyclictest501153-21kworker/u8:1+events_unbound07:45:181
496428996762,4cyclictest593283-21kworker/u8:1+flush-179:012:25:250
496428996762,4cyclictest574368-21kworker/u8:0+flush-179:011:45:290
496430996661,4cyclictest574368-21kworker/u8:0+flush-179:011:50:201
496430996561,3cyclictest564369-21kworker/u8:0+flush-179:010:40:271
496430996560,4cyclictest598326-21kworker/u8:3+flush-179:012:35:011
496430996558,5cyclictest531667-21kworker/u8:0+flush-179:009:05:011
496430996556,7cyclictest538834-21/usr/sbin/munin09:20:241
496428996560,4cyclictest526089-21kworker/u8:0+flush-179:008:45:250
496430996460,3cyclictest556084-21kworker/u8:1+events_unbound10:20:281
496430996460,3cyclictest543349-21kworker/u8:0+flush-179:009:45:251
496430996460,3cyclictest515753-21kworker/u8:2+flush-179:008:35:201
496430996354,7cyclictest579152-21/usr/sbin/munin11:25:261
496430996353,4cyclictest569128-21kworker/u8:3+events_unbound10:55:171
496428996358,4cyclictest596649-21kworker/u8:2+flush-179:012:30:200
496428996358,4cyclictest501153-21kworker/u8:1+flush-179:007:55:250
496428996358,4cyclictest501153-21kworker/u8:1+events_unbound08:05:240
496428996355,3cyclictest515753-21kworker/u8:2+events_unbound08:35:140
496438996259,2cyclictest0-21swapper/309:48:593
496430996257,4cyclictest501204-21kworker/u8:3+events_unbound07:25:221
496430996256,4cyclictest552969-21kworker/u8:2+events_unbound10:50:171
496430996252,7cyclictest496382-21kworker/u8:0+flush-179:007:20:001
496428996257,4cyclictest543349-21kworker/u8:0+flush-179:009:50:250
496428996256,5cyclictest501153-21kworker/u8:1+flush-179:007:45:280
496430996157,3cyclictest596649-21kworker/u8:2+events_unbound12:20:191
496430996156,4cyclictest528237-21kworker/u8:1+flush-179:008:50:261
496428996157,3cyclictest526089-21kworker/u8:0+flush-179:008:40:470
496428996156,4cyclictest552969-21kworker/u8:2+events_unbound11:35:270
496430996056,3cyclictest515753-21kworker/u8:2+flush-179:008:15:261
496430996056,3cyclictest501153-21kworker/u8:1+flush-179:007:55:181
496428996055,4cyclictest537023-21kworker/u8:3+events_unbound09:25:260
496428996055,4cyclictest523459-21kworker/u8:3+flush-179:008:34:550
496430995954,4cyclictest513334-21kworker/u8:2+events_unbound08:00:241
496430995951,6cyclictest509131-21kworker/u8:0+events_unbound08:05:171
496438995851,5cyclictest510747-21turbostat07:55:003
496430995848,4cyclictest543349-21kworker/u8:0+events_unbound09:40:171
496428995854,3cyclictest574368-21kworker/u8:0+events_unbound11:20:270
496428995853,4cyclictest540171-21kworker/u8:1+events_unbound09:30:220
496428995853,4cyclictest509131-21kworker/u8:0+flush-179:008:10:220
496428995849,4cyclictest501153-21kworker/u8:1+events_unbound07:50:160
496430995752,4cyclictest552969-21kworker/u8:2+events_unbound11:35:181
496430995752,4cyclictest509131-21kworker/u8:0+events_unbound08:10:221
496428995753,3cyclictest501153-21kworker/u8:1+events_unbound08:00:190
496430995652,3cyclictest509131-21kworker/u8:0+flush-179:008:25:161
496428995652,3cyclictest552969-21kworker/u8:2+events_unbound11:40:160
496428995652,3cyclictest552969-21kworker/u8:2+events_unbound11:40:150
496428995652,3cyclictest543349-21kworker/u8:0+events_unbound09:40:180
496428995652,3cyclictest501204-21kworker/u8:3+flush-179:007:25:300
496430995551,3cyclictest543349-21kworker/u8:0+events_unbound09:35:241
496430995544,4cyclictest501153-21kworker/u8:1+events_unbound07:50:121
496428995551,3cyclictest585265-21kworker/u8:3+events_unbound12:10:220
496428995551,3cyclictest552969-21kworker/u8:2+flush-179:010:35:260
496428995550,4cyclictest549964-21kworker/u8:1+events_unbound09:55:210
496428995550,4cyclictest528237-21kworker/u8:1+events_unbound08:50:230
496430995449,4cyclictest496382-21kworker/u8:0+flush-179:007:10:221
496428995450,3cyclictest536963-21kworker/u8:2+flush-179:009:15:250
496430995349,3cyclictest598326-21kworker/u8:3+events_unbound12:35:161
496430995349,3cyclictest548131-21kworker/u8:3+events_unbound10:10:221
496428995349,3cyclictest480237-21kworker/u8:2+flush-179:007:10:270
496428995348,4cyclictest556084-21kworker/u8:1+events_unbound10:15:170
496438995244,6cyclictest578937-21turbostat11:25:003
496430995248,3cyclictest574368-21kworker/u8:0+events_unbound11:45:181
496430995248,3cyclictest543349-21kworker/u8:0+flush-179:009:50:181
496430995247,4cyclictest548131-21kworker/u8:3+flush-179:010:05:281
496430995147,3cyclictest515753-21kworker/u8:2+events_unbound08:45:191
496428995147,3cyclictest515753-21kworker/u8:2+flush-179:008:15:280
496428995142,4cyclictest501204-21kworker/u8:3+events_unbound07:30:230
496430995045,4cyclictest528237-21kworker/u8:1+flush-179:008:55:151
496428995046,3cyclictest569128-21kworker/u8:3+flush-179:010:55:280
4577091500,14ptp4l441ktimers/307:10:013
496428994944,4cyclictest564369-21kworker/u8:0+events_unbound10:40:250
496428994940,7cyclictest582091-21latency_hist11:35:010
496428994843,4cyclictest585265-21kworker/u8:3+flush-179:011:51:090
496430994741,5cyclictest501153-21kworker/u8:1+events_unbound07:35:151
496430994740,5cyclictest591909-21apt-get12:05:131
496430994740,3cyclictest552969-21kworker/u8:2+events_unbound10:35:161
496428994743,3cyclictest552969-21kworker/u8:2+events_unbound11:05:130
496428994742,4cyclictest556084-21kworker/u8:1+events_unbound10:20:250
496428994742,4cyclictest552969-21kworker/u8:2+flush-179:010:31:290
496428994739,3cyclictest528237-21kworker/u8:1+events_unbound09:00:290
496430994642,3cyclictest556084-21kworker/u8:1+flush-179:010:15:211
496430994641,4cyclictest556084-21kworker/u8:1+flush-179:010:25:191
496428994642,3cyclictest548131-21kworker/u8:3+events_unbound10:08:300
496428994641,4cyclictest569128-21kworker/u8:3+events_unbound11:02:290
496428994641,4cyclictest531667-21kworker/u8:0+events_unbound09:20:530
496435994543,1cyclictest0-21swapper/207:15:002
496428994540,4cyclictest501153-21kworker/u8:1+events_unbound07:42:300
496428994534,9cyclictest554764-21apt-get10:10:120
496428994440,3cyclictest585265-21kworker/u8:3+events_unbound12:00:250
496428994339,3cyclictest596649-21kworker/u8:2+events_unbound12:20:430
496435994138,2cyclictest0-21swapper/208:28:002
49643599410,39cyclictest0-21swapper/209:12:592
49643099410,2cyclictest714-21Xorg11:13:591
496428994137,3cyclictest543349-21kworker/u8:0+flush-179:009:45:290
496428994136,4cyclictest543349-21kworker/u8:0+events_unbound09:39:300
49642899411,2cyclictest714-21Xorg08:20:590
496438994038,1cyclictest0-21swapper/310:06:003
496438994034,5cyclictest540200-21turbostat09:25:003
49643899400,38cyclictest599883-21turbostat12:30:003
49643899400,38cyclictest580516-21turbostat11:30:003
496438993936,2cyclictest0-21swapper/309:00:593
49643899390,37cyclictest0-21swapper/308:05:583
496430993935,3cyclictest567543-21systemd-run10:50:011
496435993834,2cyclictest0-21swapper/209:19:552
49643599380,36cyclictest0-21swapper/207:48:592
496438993732,4cyclictest535403-21turbostat09:09:593
496438993728,8cyclictest0-21swapper/309:57:583
496435993734,2cyclictest0-21swapper/208:16:592
49643599370,35cyclictest0-21swapper/210:28:582
49643599370,35cyclictest0-21swapper/209:42:582
496428993733,3cyclictest585265-21kworker/u8:3+events_unbound11:55:080
496438993634,1cyclictest0-21swapper/309:15:593
496438993629,6cyclictest0-21swapper/308:37:593
49643899360,35cyclictest0-21swapper/311:54:593
49643899360,35cyclictest0-21swapper/310:18:593
49643899360,35cyclictest0-21swapper/309:28:583
49643899360,35cyclictest0-21swapper/307:44:003
49643899360,1cyclictest0-21swapper/311:10:003
496435993633,2cyclictest0-21swapper/210:55:592
496435993633,2cyclictest0-21swapper/210:41:582
49643599360,34cyclictest0-21swapper/212:16:592
496438993532,2cyclictest0-21swapper/312:05:593
496438993532,2cyclictest0-21swapper/310:36:593
49643899350,1cyclictest0-21swapper/308:28:593
496435993533,1cyclictest0-21swapper/209:29:582
496435993532,2cyclictest0-21swapper/210:15:592
496435993532,2cyclictest0-21swapper/209:37:002
496435993532,2cyclictest0-21swapper/209:34:552
496435993532,2cyclictest0-21swapper/208:08:592
49643599350,1cyclictest0-21swapper/210:11:002
4577091350,3ptp4l441ktimers/309:35:123
231999350,7rtkit-daemon688-21lldpd07:09:150
496438993432,1cyclictest0-21swapper/310:01:583
496438993432,1cyclictest0-21swapper/308:48:583
496438993331,1cyclictest0-21swapper/312:32:593
496438993331,1cyclictest0-21swapper/310:33:593
496438993331,1cyclictest0-21swapper/310:24:593
496438993327,5cyclictest546572-21turbostat09:45:003
49643899330,26cyclictest0-21swapper/311:00:153
49643899330,1cyclictest0-21swapper/309:53:003
496435993331,1cyclictest0-21swapper/208:05:002
496438993230,1cyclictest0-21swapper/312:37:583
496438993227,4cyclictest594842-21turbostat12:15:003
496438993226,5cyclictest530109-21turbostat08:55:003
49643899320,31cyclictest0-21swapper/311:14:593
49643599320,2cyclictest0-21swapper/211:54:552
496438993125,5cyclictest0-21swapper/311:55:133
49643899310,1cyclictest0-21swapper/311:45:593
496435993128,2cyclictest0-21swapper/208:21:592
496430993125,4cyclictest496552-21latency_hist07:10:021
4577091310,2ptp4l441ktimers/307:38:053
496438993027,2cyclictest0-21swapper/312:04:593
496438993026,4cyclictest0-21swapper/307:10:133
49643899300,1cyclictest0-21swapper/307:15:153
496435993027,2cyclictest0-21swapper/207:57:002
496435993027,2cyclictest0-21swapper/207:38:582
496438992928,1cyclictest0-21swapper/308:57:003
49643899290,28cyclictest0-21swapper/310:40:133
49643899290,28cyclictest0-21swapper/307:25:143
496435992927,1cyclictest0-21swapper/210:30:152
496435992926,2cyclictest0-21swapper/210:49:592
496435992926,2cyclictest0-21swapper/210:20:162
496435992926,2cyclictest0-21swapper/209:57:002
496435992926,2cyclictest0-21swapper/208:50:012
496435992926,2cyclictest0-21swapper/208:41:002
49643599290,27cyclictest0-21swapper/212:39:002
49643599290,27cyclictest0-21swapper/212:25:122
49643599290,27cyclictest0-21swapper/211:05:122
49643599290,27cyclictest0-21swapper/209:05:132
4577091290,7ptp4l441ktimers/310:30:013
496438992826,1cyclictest0-21swapper/312:15:023
496438992826,1cyclictest0-21swapper/308:43:003
49643899280,27cyclictest0-21swapper/311:30:133
49643899280,26cyclictest0-21swapper/307:30:133
496435992825,2cyclictest0-21swapper/212:13:592
496435992825,2cyclictest0-21swapper/211:40:122
496435992825,2cyclictest0-21swapper/211:40:122
496435992825,2cyclictest0-21swapper/211:30:132
496435992825,2cyclictest0-21swapper/211:14:002
496435992825,2cyclictest0-21swapper/208:35:122
496435992825,2cyclictest0-21swapper/208:30:142
496435992825,2cyclictest0-21swapper/208:10:152
49643599280,26cyclictest0-21swapper/212:30:122
49643599280,1cyclictest0-21swapper/209:45:132
496438992723,3cyclictest0-21swapper/307:48:313
49643899270,26cyclictest0-21swapper/310:10:153
49643899270,26cyclictest0-21swapper/309:30:133
49643899270,26cyclictest0-21swapper/307:58:573
49643899270,1cyclictest0-21swapper/308:22:593
496435992725,1cyclictest0-21swapper/208:55:152
496435992724,2cyclictest0-21swapper/212:00:132
496435992724,2cyclictest0-21swapper/208:45:592
49643599270,25cyclictest0-21swapper/207:40:292
4577091270,6ptp4l61490irq/134-eno1-TxRx-011:20:003
4577091270,6ptp4l441ktimers/308:15:013
4577091270,6ptp4l441ktimers/307:25:003
496438992623,2cyclictest0-21swapper/311:40:583
496438992623,2cyclictest0-21swapper/311:40:583
496435992623,2cyclictest0-21swapper/212:05:592
496435992623,2cyclictest0-21swapper/210:39:092
496435992623,2cyclictest0-21swapper/207:25:182
496435992623,1cyclictest0-21swapper/207:15:192
49643599260,24cyclictest0-21swapper/211:24:082
49643599260,24cyclictest0-21swapper/211:17:352
49643599260,24cyclictest0-21swapper/209:22:592
49643599260,24cyclictest0-21swapper/207:50:072
49643599260,24cyclictest0-21swapper/207:32:472
49643599260,24cyclictest0-21swapper/207:20:172
4577091260,6ptp4l61490irq/134-eno1-TxRx-012:24:553
4577091260,6ptp4l441ktimers/310:55:003
496438992523,1cyclictest0-21swapper/309:12:003
496435992522,2cyclictest0-21swapper/211:49:592
4577091250,6ptp4l61490irq/134-eno1-TxRx-011:40:003
4577091250,5ptp4l61490irq/134-eno1-TxRx-010:59:553
4577091250,5ptp4l441ktimers/308:34:553
4577091250,4ptp4l441ktimers/310:50:023
496435992421,2cyclictest0-21swapper/212:24:552
496435992421,2cyclictest0-21swapper/211:59:592
4577091240,4ptp4l61490irq/134-eno1-TxRx-008:04:563
4577091240,4ptp4l441ktimers/308:20:013
496435992320,2cyclictest0-21swapper/210:08:592
496435992320,2cyclictest0-21swapper/209:54:002
496435992219,2cyclictest0-21swapper/211:01:592
496435992219,2cyclictest0-21swapper/209:02:592
496435992118,2cyclictest0-21swapper/211:36:582
496435992017,2cyclictest0-21swapper/210:00:582
496435991815,2cyclictest0-21swapper/211:29:592
496435991815,2cyclictest0-21swapper/210:53:002
4964359930,2cyclictest0-21swapper/207:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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