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2026-07-08 - 09:53
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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 Wed Jul 08, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70341499142134,6cyclictest790965-21kworker/u8:3+events_unbound00:00:001
70341499135111,7cyclictest1213033-21systemd-journal22:45:001
70341499125113,10cyclictest1213033-21systemd-journal19:20:001
70341499124110,6cyclictest720466-21kworker/u8:1+events_unbound20:05:011
70340999123114,7cyclictest1213033-21systemd-journal23:30:010
70341499122112,8cyclictest714934-21latency_hist19:45:011
70341499119112,4cyclictest766983-21kworker/u8:1+flush-179:022:20:241
70341499119109,7cyclictest797601-21latency_hist23:55:011
70341499117110,4cyclictest714943-21apt-get19:45:031
70341499117107,8cyclictest753353-21latency_hist21:40:011
70341499116101,5cyclictest740400-21kworker/u8:3+flush-179:021:25:011
70340999113109,3cyclictest748859-21kworker/u8:0+events_unbound21:25:250
70341499111102,7cyclictest804372-21kworker/u8:1+events_unbound00:20:001
7034149911097,10cyclictest510-21rs:main1
7034149910998,4cyclictest766983-21kworker/u8:1+events_unbound22:25:261
70341499109102,5cyclictest714926-21kworker/u8:3+events_unbound20:00:001
7034099910899,4cyclictest723440-21kworker/u8:3+events_unbound20:20:240
70341499107102,3cyclictest722370-21kworker/u8:2+flush-179:020:15:251
70341499107100,4cyclictest766983-21kworker/u8:1+events_unbound23:15:251
7034149910598,5cyclictest790965-21kworker/u8:3+events_unbound23:40:241
7034149910594,8cyclictest1213033-21systemd-journal00:04:001
7034099910599,5cyclictest753315-21kworker/u8:2+flush-179:021:55:260
7034149910496,5cyclictest780981-21kworker/u8:2+flush-179:023:10:211
7034149910397,5cyclictest748859-21kworker/u8:0+flush-179:021:30:241
7034149910393,7cyclictest749951-21kworker/u8:1+events_unbound21:50:001
7034099910392,9cyclictest1213033-21systemd-journal22:15:010
7034099910392,4cyclictest766983-21kworker/u8:1+events_unbound22:25:230
7034099910196,4cyclictest700209-21kworker/u8:1+events_unbound19:20:230
7034149910089,8cyclictest799725-21kworker/u8:4+events_unbound00:30:241
703414999991,5cyclictest780981-21kworker/u8:2+events_unbound23:05:021
703414999987,8cyclictest748859-21kworker/u8:0+flush-179:022:10:201
703409999988,3cyclictest766983-21kworker/u8:1+events_unbound23:00:220
703414999892,4cyclictest731853-21kworker/u8:1+flush-179:020:44:591
703414999890,6cyclictest773008-21kworker/u8:0+flush-179:022:45:241
703414999890,5cyclictest733781-21kworker/u8:0+events_unbound21:00:001
703409999893,4cyclictest740400-21kworker/u8:3+events_unbound21:05:240
703409999890,5cyclictest761568-21latency_hist22:05:020
703409999793,3cyclictest761573-21kworker/u8:2+events_unbound22:15:250
703409999791,4cyclictest740400-21kworker/u8:3+events_unbound21:15:210
703414999687,6cyclictest773008-21kworker/u8:0+flush-179:023:00:201
703414999588,5cyclictest737770-21kworker/u8:2+flush-179:021:15:261
703409999587,7cyclictest714939-21kworker/u8:4+flush-179:019:50:010
703414999486,5cyclictest759732-21kworker/u8:1+flush-179:022:00:191
703414999481,5cyclictest797657-21kworker/u8:2+events_unbound00:25:221
703409999484,4cyclictest731853-21kworker/u8:1+events_unbound20:45:270
703414999386,4cyclictest723440-21kworker/u8:3+flush-179:020:35:031
703414999386,4cyclictest723440-21kworker/u8:3+flush-179:020:35:031
703414999282,4cyclictest740400-21kworker/u8:3+events_unbound21:10:191
703409999286,4cyclictest766983-21kworker/u8:1+events_unbound22:50:150
703409999285,5cyclictest785958-21latency_hist23:20:020
703414999185,4cyclictest766983-21kworker/u8:1+flush-179:022:35:161
703414999185,4cyclictest766983-21kworker/u8:1+flush-179:022:35:151
703414999084,4cyclictest753315-21kworker/u8:2+flush-179:021:40:241
703414999083,4cyclictest723440-21kworker/u8:3+flush-179:020:25:011
703409999085,4cyclictest731853-21kworker/u8:1+events_unbound20:35:210
703409999085,4cyclictest731853-21kworker/u8:1+events_unbound20:35:210
703409999082,6cyclictest737770-21kworker/u8:2+flush-179:021:00:010
703414998983,4cyclictest720466-21kworker/u8:1+flush-179:020:10:221
703414998881,5cyclictest797657-21kworker/u8:2+flush-179:000:35:241
703414998880,5cyclictest761573-21kworker/u8:2+flush-179:022:30:201
703414998779,5cyclictest700209-21kworker/u8:1+flush-179:019:20:201
703409998782,4cyclictest753315-21kworker/u8:2+events_unbound21:50:220
703414998679,5cyclictest797657-21kworker/u8:2+flush-179:000:05:261
703414998579,4cyclictest753315-21kworker/u8:2+events_unbound21:50:211
703409998581,3cyclictest773008-21kworker/u8:0+events_unbound22:45:190
703409998575,8cyclictest754945-21latency_hist21:45:020
703414998477,4cyclictest761573-21kworker/u8:2+events_unbound22:15:201
703414998474,7cyclictest700209-21kworker/u8:1+events_unbound19:25:021
703409998474,4cyclictest797657-21kworker/u8:2+events_unbound00:35:260
703414998380,2cyclictest780981-21kworker/u8:2+flush-179:023:35:241
703409998378,4cyclictest714926-21kworker/u8:3+events_unbound19:50:180
703414998272,8cyclictest711994-21apt-get19:35:121
703414998268,5cyclictest723440-21kworker/u8:3+events_unbound20:25:001
703409998270,10cyclictest726596-21munin-run20:20:000
703414998173,5cyclictest740400-21kworker/u8:3+events_unbound21:05:141
703409998176,4cyclictest733781-21kworker/u8:0+events_unbound20:50:220
703414998075,3cyclictest723440-21kworker/u8:3+flush-179:020:30:261
703414997974,4cyclictest794408-21kworker/u8:0+flush-179:023:49:551
703414997972,5cyclictest733781-21kworker/u8:0+events_unbound20:50:141
703414997969,7cyclictest763153-21latency_hist22:10:021
703409997975,3cyclictest748859-21kworker/u8:0+events_unbound21:45:190
703409997971,6cyclictest706704-21latency_hist19:20:010
703409997959,12cyclictest704855-21latency_hist19:15:010
703414997866,4cyclictest703296-21kworker/u8:3+events_unbound19:15:011
703409997874,3cyclictest731853-21kworker/u8:1+events_unbound20:40:280
703409997874,3cyclictest711722-21kworker/u8:0+events_unbound19:35:230
703409997873,4cyclictest799725-21kworker/u8:4+flush-179:000:01:310
703409997869,7cyclictest772974-21latency_hist22:40:010
703409997869,7cyclictest772974-21latency_hist22:40:010
703414997767,7cyclictest722054-21/usr/sbin/munin20:05:161
703409997773,3cyclictest797657-21kworker/u8:2+events_unbound00:25:240
703409997772,4cyclictest780981-21kworker/u8:2+events_unbound23:10:190
703409997767,4cyclictest740400-21kworker/u8:3+events_unbound21:10:180
703414997667,4cyclictest773008-21kworker/u8:0+events_unbound22:55:231
703414997666,3cyclictest766983-21kworker/u8:1+events_unbound23:25:251
703409997672,3cyclictest748859-21kworker/u8:0+events_unbound21:30:240
703409997672,3cyclictest740400-21kworker/u8:3+events_unbound21:20:290
703409997671,4cyclictest790965-21kworker/u8:3+flush-179:023:41:270
703409997671,4cyclictest723440-21kworker/u8:3+events_unbound20:30:190
703414997570,3cyclictest731853-21kworker/u8:1+events_unbound20:45:201
703414997570,3cyclictest703296-21kworker/u8:3+events_unbound19:30:181
703414997565,8cyclictest1213033-21systemd-journal21:05:011
703409997571,3cyclictest723440-21kworker/u8:3+events_unbound20:25:160
703409997570,4cyclictest799725-21kworker/u8:4+events_unbound00:31:390
703409997565,8cyclictest1213033-21systemd-journal21:39:590
703409997469,4cyclictest780981-21kworker/u8:2+events_unbound23:05:140
703409997468,5cyclictest711722-21kworker/u8:0+events_unbound19:40:190
703409997368,4cyclictest720466-21kworker/u8:1+events_unbound20:00:480
703409997368,3cyclictest737770-21kworker/u8:2+events_unbound21:00:100
703409997268,3cyclictest777964-21kworker/u8:3+events_unbound22:55:140
703409997268,3cyclictest711722-21kworker/u8:0+events_unbound19:34:200
703409997267,4cyclictest794408-21kworker/u8:0+events_unbound23:50:280
703409997267,4cyclictest794408-21kworker/u8:0+events_unbound23:46:290
703414997167,3cyclictest766983-21kworker/u8:1+events_unbound23:30:221
703414997166,4cyclictest748859-21kworker/u8:0+flush-179:021:59:551
703414997165,4cyclictest780981-21kworker/u8:2+flush-179:023:20:151
703409997167,3cyclictest780981-21kworker/u8:2+events_unbound23:35:180
703409997166,4cyclictest700209-21kworker/u8:1+events_unbound19:29:560
703414996962,5cyclictest749951-21kworker/u8:1+events_unbound21:30:001
703409996965,3cyclictest723440-21kworker/u8:3+events_unbound20:13:210
703409996965,3cyclictest722370-21kworker/u8:2+events_unbound20:05:250
703414996862,4cyclictest799725-21kworker/u8:4+events_unbound00:20:181
703409996864,3cyclictest766983-21kworker/u8:1+events_unbound22:34:240
703409996862,5cyclictest711722-21kworker/u8:0+flush-179:019:55:260
703409996762,4cyclictest780981-21kworker/u8:2+events_unbound23:20:330
703409996762,4cyclictest766983-21kworker/u8:1+events_unbound22:20:170
703409996762,4cyclictest759732-21kworker/u8:1+events_unbound22:09:560
703409996661,4cyclictest766983-21kworker/u8:1+events_unbound23:31:360
703414996556,7cyclictest799725-21kworker/u8:4+flush-179:000:10:211
703409996561,3cyclictest799725-21kworker/u8:4+events_unbound00:18:330
703409996357,5cyclictest766983-21kworker/u8:1+events_unbound22:42:260
703409996257,4cyclictest794408-21kworker/u8:0+events_unbound23:57:330
703409996156,4cyclictest797657-21kworker/u8:2+events_unbound00:23:340
703414995753,3cyclictest766983-21kworker/u8:1+events_unbound22:50:261
703409995753,3cyclictest794408-21kworker/u8:0+events_unbound00:09:350
703409995644,9cyclictest799725-21kworker/u8:4+flush-179:000:10:250
703415995551,2cyclictest0-21swapper/200:20:592
703418994947,1cyclictest0-21swapper/320:35:003
703415994946,2cyclictest0-21swapper/222:38:002
703415994946,2cyclictest0-21swapper/222:37:592
4577091490,13ptp4l441ktimers/319:10:003
703415994238,2cyclictest0-21swapper/223:16:582
703415994137,2cyclictest0-21swapper/220:09:582
703418994033,6cyclictest740358-21turbostat21:00:013
70341899400,5cyclictest718380-21turbostat19:55:013
70341899400,38cyclictest706711-21turbostat19:20:003
70341599400,1cyclictest0-21swapper/220:54:592
703418993934,4cyclictest804344-21turbostat00:15:003
703418993932,5cyclictest704863-21turbostat19:15:013
70341899390,4cyclictest777742-21turbostat22:55:003
70341899390,38cyclictest810726-21turbostat00:35:003
70341599390,36cyclictest0-21swapper/200:09:592
703418993833,4cyclictest766343-21turbostat22:20:003
703418993833,4cyclictest719966-21turbostat20:00:003
70341899380,4cyclictest726606-21turbostat20:20:013
703415993835,2cyclictest0-21swapper/219:29:552
70341599380,35cyclictest0-21swapper/219:35:012
703418993734,2cyclictest0-21swapper/321:25:593
703415993734,2cyclictest0-21swapper/223:08:002
70341599370,35cyclictest0-21swapper/223:45:582
70341599370,35cyclictest0-21swapper/222:21:002
70341599370,35cyclictest0-21swapper/221:43:582
70341599370,1cyclictest0-21swapper/222:58:582
70341899360,35cyclictest0-21swapper/322:34:003
70341899360,35cyclictest0-21swapper/321:59:553
70341899360,35cyclictest0-21swapper/320:36:003
70341899360,35cyclictest0-21swapper/320:36:003
703415993632,2cyclictest0-21swapper/223:21:002
70341599360,1cyclictest0-21swapper/223:05:012
703418993533,1cyclictest0-21swapper/323:11:593
703418993533,1cyclictest0-21swapper/320:09:593
703415993533,1cyclictest0-21swapper/219:59:592
703415993532,2cyclictest0-21swapper/219:52:592
4577091350,3ptp4l441ktimers/323:05:033
703418993432,1cyclictest0-21swapper/320:12:593
703418993429,4cyclictest754963-21turbostat21:45:013
703418993428,4cyclictest714953-21turbostat19:45:003
70341899340,33cyclictest0-21swapper/320:43:593
703415993431,2cyclictest0-21swapper/223:40:012
703415993431,2cyclictest0-21swapper/222:54:552
703415993431,2cyclictest0-21swapper/200:03:592
703415993430,2cyclictest0-21swapper/200:38:592
703418993331,1cyclictest0-21swapper/319:37:593
703415993331,1cyclictest0-21swapper/221:09:592
703415993330,2cyclictest0-21swapper/222:46:592
703418993230,1cyclictest0-21swapper/323:04:553
703418993230,1cyclictest0-21swapper/321:11:593
703415993229,2cyclictest0-21swapper/222:28:582
703415993228,2cyclictest0-21swapper/223:29:582
70341599320,30cyclictest0-21swapper/223:42:592
703418993126,4cyclictest790985-21turbostat23:35:003
703415993128,2cyclictest0-21swapper/221:55:002
70341599310,29cyclictest0-21swapper/219:15:162
703418993028,1cyclictest0-21swapper/322:08:593
703418993028,1cyclictest0-21swapper/322:00:593
703418993027,2cyclictest0-21swapper/320:01:583
703418993027,2cyclictest0-21swapper/300:20:593
703418993025,4cyclictest753370-21turbostat21:39:593
70341899300,29cyclictest0-21swapper/321:01:583
70341599300,2cyclictest0-21swapper/221:04:002
70341599300,28cyclictest0-21swapper/223:55:122
70341599300,28cyclictest0-21swapper/223:50:032
70341599300,28cyclictest0-21swapper/221:15:142
70341599300,27cyclictest0-21swapper/221:24:542
703418992926,2cyclictest0-21swapper/323:50:023
703418992924,4cyclictest716795-21turbostat19:50:003
70341899290,27cyclictest0-21swapper/321:45:043
703415992926,2cyclictest0-21swapper/222:12:582
703415992926,2cyclictest0-21swapper/220:10:142
70341599292,1cyclictest0-21swapper/219:40:132
70341599290,27cyclictest0-21swapper/223:30:032
70341599290,27cyclictest0-21swapper/220:40:132
70341599290,27cyclictest0-21swapper/220:30:142
70341599290,27cyclictest0-21swapper/220:00:122
70341599290,27cyclictest0-21swapper/200:30:132
703418992826,1cyclictest0-21swapper/323:55:123
703418992826,1cyclictest0-21swapper/323:28:593
703418992825,2cyclictest0-21swapper/322:35:123
703418992825,2cyclictest0-21swapper/322:35:123
70341899280,27cyclictest0-21swapper/320:46:583
70341899280,26cyclictest0-21swapper/319:25:033
70341899280,26cyclictest0-21swapper/319:20:133
70341899280,22cyclictest0-21swapper/320:20:023
70341599283,23cyclictest0-21swapper/221:47:592
703415992826,1cyclictest0-21swapper/220:20:032
703415992825,2cyclictest0-21swapper/222:05:112
70341599280,26cyclictest0-21swapper/200:11:592
70341599280,25cyclictest0-21swapper/200:18:592
4577091280,7ptp4l61490irq/134-eno1-TxRx-023:25:003
4577091280,6ptp4l441ktimers/300:40:013
703418992725,1cyclictest0-21swapper/323:46:593
703418992725,1cyclictest0-21swapper/322:55:133
703418992724,2cyclictest736919-21turbostat20:54:553
703418992720,5cyclictest776162-21turbostat22:50:003
70341899270,1cyclictest0-21swapper/300:25:143
703415992724,2cyclictest0-21swapper/220:56:592
703415992724,2cyclictest0-21swapper/220:35:132
703415992724,2cyclictest0-21swapper/220:35:122
703415992724,1cyclictest0-21swapper/222:05:012
70341599270,24cyclictest0-21swapper/223:13:592
4577091270,4ptp4l441ktimers/323:40:003
4577091270,4ptp4l441ktimers/322:45:013
4577091270,4ptp4l441ktimers/322:25:003
4577091270,4ptp4l441ktimers/300:05:003
70341899260,25cyclictest0-21swapper/300:05:593
703415992623,1cyclictest0-21swapper/221:40:002
703415992623,1cyclictest0-21swapper/221:29:582
703415992622,2cyclictest0-21swapper/222:17:582
70341599260,2cyclictest0-21swapper/200:27:592
70341599260,24cyclictest0-21swapper/222:30:582
4577091260,4ptp4l441ktimers/322:15:013
4577091260,4ptp4l441ktimers/321:55:003
4577091260,4ptp4l441ktimers/321:25:003
4577091260,4ptp4l441ktimers/321:10:003
4577091260,4ptp4l441ktimers/319:35:013
703418992522,2cyclictest0-21swapper/321:34:003
703415992522,2cyclictest0-21swapper/222:40:122
703415992521,2cyclictest0-21swapper/219:36:002
4577091250,4ptp4l61490irq/134-eno1-TxRx-000:20:003
4577091250,3ptp4l441ktimers/321:20:003
4577091250,3ptp4l441ktimers/320:29:563
703418992422,1cyclictest0-21swapper/323:18:003
70341899240,23cyclictest794180-21turbostat23:45:003
703415992421,2cyclictest0-21swapper/220:25:012
703415992421,2cyclictest0-21swapper/219:21:002
703415992420,2cyclictest0-21swapper/220:15:592
231999230,12rtkit-daemon702482-21irqstats19:05:220
703415992219,2cyclictest0-21swapper/219:49:552
703415992118,2cyclictest0-21swapper/221:12:592
703418992017,2cyclictest0-21swapper/322:26:593
703415992017,2cyclictest0-21swapper/221:31:592
703415992017,2cyclictest0-21swapper/220:45:132
703415991916,2cyclictest0-21swapper/221:55:592
703415991814,2cyclictest0-21swapper/219:14:552
703414991715,1cyclictest703241-21latency_hist19:10:021
7034159962,3cyclictest361ktimers/219:10:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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