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2026-04-25 - 16:06
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack7slot2.osadl.org (updated Sat Apr 25, 2026 12:44:09)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
388316999113105,5cyclictest3992451-21kworker/u4:10+events_unbound11:16:181
388316999112104,6cyclictest3943670-21kworker/u4:8+events_unbound10:05:571
38831699910783,8cyclictest3884395-21kworker/u4:13+events_unbound08:10:261
38831699910597,5cyclictest3987976-21kworker/u4:11+events_unbound10:51:081
38831699910392,8cyclictest3884394-21kworker/u4:12+events_unbound07:45:151
38831699910287,11cyclictest4095776-21sh12:35:381
38831699910192,7cyclictest3870504-21kworker/u4:2+events_unbound07:40:141
3883169998880,6cyclictest3884395-21kworker/u4:13+events_unbound07:15:011
3883169998476,6cyclictest4083831-21kworker/u4:6+events_unbound12:26:351
3883169998274,6cyclictest3982792-21kworker/u4:3+events_unbound10:30:591
3883169998274,6cyclictest3907761-21kworker/u4:11+events_unbound08:55:391
3883167998148,22cyclictest3883168-21kworker/u4:907:10:000
3883169997766,6cyclictest3987975-21kworker/u4:9+events_unbound10:56:081
3883167997768,6cyclictest3885666-21kworker/u4:17+events_unbound07:35:130
3883169997567,4cyclictest3898715-21kworker/u4:1+events_unbound08:35:351
3883167997563,10cyclictest3916482-21kworker/u4:3+events_unbound09:25:500
3883167997538,34cyclictest3995050-21ntp_kernel_pll_10:40:260
3883167997529,11cyclictest4042841-21fschecks_count11:35:200
3883169997467,5cyclictest4023080-21kworker/u4:3+events_unbound11:45:001
3883169997467,5cyclictest4023080-21kworker/u4:3+events_unbound11:45:001
3883167997256,5cyclictest3978935-21kworker/u4:1+events_unbound10:36:000
3883167997164,5cyclictest3900075-21kworker/u4:10+events_unbound08:45:360
3883167997126,41cyclictest0-21swapper/007:55:380
3883167997037,30cyclictest4020828-21aten_r7power_cu11:10:170
3883167997036,32cyclictest3915372-21ntpq09:10:380
3883167997025,43cyclictest0-21swapper/010:50:210
3883167996959,7cyclictest3884395-21kworker/u4:13+events_unbound08:15:270
3883167996935,31cyclictest4051730-21ssh11:45:210
3883167996930,7cyclictest0-21swapper/011:50:300
3883167996851,15cyclictest3969962-21kworker/u4:0+events_unbound10:20:590
3883167996851,15cyclictest3969962-21kworker/u4:0+events_unbound10:20:590
3883167996831,4cyclictest0-21swapper/011:05:400
388316799675,17cyclictest4076320-21ssh12:13:510
3883167996732,31cyclictest0-21swapper/009:45:290
3883167996731,8cyclictest0-21swapper/010:55:080
3883167996729,6cyclictest0-21swapper/011:30:260
3883167996729,5cyclictest4060492-21/usr/sbin/munin11:55:240
3883167996631,4cyclictest0-21swapper/009:40:010
388316799662,56cyclictest53-21kswapd010:15:090
3883169996558,5cyclictest4057806-21kworker/u4:2+events_unbound11:55:041
3883169996557,6cyclictest4031962-21kworker/u4:1+events_unbound11:30:031
3883169996548,8cyclictest4023080-21kworker/u4:3+events_unbound11:15:011
388316799658,55cyclictest0-21swapper/012:20:360
3883167996531,5cyclictest3914174-21diskmemload10:30:290
3883167996529,7cyclictest3950668-21netstat09:50:260
3883167996529,6cyclictest0-21swapper/012:15:260
3883167996528,6cyclictest0-21swapper/008:40:270
3883169996447,7cyclictest3956492-21kworker/u4:7+events_unbound09:57:001
3883167996430,4cyclictest0-21swapper/012:35:330
3883167996428,6cyclictest0-21swapper/010:05:300
3883167996428,6cyclictest0-21swapper/007:40:190
3883167996428,5cyclictest0-21swapper/012:30:310
3883169996357,4cyclictest3909029-21kworker/u4:15+events_unbound08:50:001
3883169996355,6cyclictest3676449-21kworker/u4:5+events_unbound09:00:391
3883169996355,6cyclictest3658893-21kworker/u4:9+events_unbound07:20:121
3883167996356,5cyclictest3996953-21kworker/u4:2+events_unbound10:46:060
3883167996353,7cyclictest3912867-21kworker/u4:16+events_unbound09:55:560
3883167996332,4cyclictest3967708-21apt-get10:10:110
3883167996331,6cyclictest0-21swapper/010:00:260
3883167996329,8cyclictest3883166-21cyclictest08:00:230
388316799632,28cyclictest4029561-21/usr/sbin/munin11:20:170
3883167996255,4cyclictest3898750-21apt-get08:10:080
3883167996231,4cyclictest4068343-21ls12:05:000
3883169996152,7cyclictest3990149-21/usr/sbin/munin10:35:171
3883167996152,7cyclictest3881810-21kworker/u4:4+events_unbound09:20:500
3883167996152,7cyclictest3881810-21kworker/u4:4+events_unbound09:20:490
3883167996152,6cyclictest53-21kswapd012:30:010
3883169995952,5cyclictest4053363-21kworker/u4:8+events_unbound12:16:321
3883167995929,7cyclictest3932453-21aten_r7power_vo09:30:180
3883167995925,4cyclictest3892164-21kworker/u4:11-rpciod07:50:010
3883169995851,5cyclictest3884395-21kworker/u4:13+events_unbound07:25:121
3883169995851,5cyclictest3878163-21kworker/u4:6+events_unbound08:05:001
3883169995850,6cyclictest3878163-21kworker/u4:6+events_unbound07:55:031
3883167995850,6cyclictest3925551-21kworker/u4:10+events_unbound09:40:540
3883167995849,7cyclictest3885666-21kworker/u4:17+events_unbound07:30:130
388316799575,9cyclictest3887233-21sshd07:25:110
388316799575,16cyclictest4012948-21/usr/sbin/munin11:00:390
388316799575,16cyclictest4012948-21/usr/sbin/munin11:00:380
3883169995649,4cyclictest3912867-21kworker/u4:16+events_unbound09:30:011
3883169995639,12cyclictest3894805-21modprobe07:55:001
3883169995549,4cyclictest3956495-21kworker/u4:14+events_unbound10:03:591
3883167995536,5cyclictest3974423-21kworker/u4:5+events_unbound10:25:580
3883169995445,6cyclictest37-21kcompactd012:05:121
3883169995346,5cyclictest3969962-21kworker/u4:0+events_unbound10:20:041
3883169995346,5cyclictest3969962-21kworker/u4:0+events_unbound10:20:031
3883169995245,5cyclictest3936864-21/usr/sbin/munin09:35:171
388316999524,32cyclictest4073738-21ssh12:10:291
3883167995230,8cyclictest0-21swapper/007:20:010
3883169995135,9cyclictest4036404-21kworker/u4:16-rpciod11:36:431
3883169995135,5cyclictest4057806-21kworker/u4:2+events_unbound12:00:421
3883169994943,5cyclictest3907761-21kworker/u4:11+events_unbound09:33:591
3883167994942,5cyclictest3914175-21apt09:10:010
3883167994942,4cyclictest0-21swapper/011:41:240
3883167994942,4cyclictest0-21swapper/011:41:240
3883167994941,6cyclictest3886836-21/usr/sbin/munin07:20:380
3883169994740,5cyclictest3924584-21grep09:20:401
3883169994740,5cyclictest3924584-21grep09:20:391
3883169994740,5cyclictest3883166-21cyclictest09:15:471
3883169994739,5cyclictest3954148-21munin-run09:55:001
3883169994737,8cyclictest3976262-21ssh10:20:001
3883169994737,7cyclictest4082677-21/usr/sbin/munin12:20:361
3883169994736,8cyclictest4048992-21kworker/u4:1-rpciod11:45:251
3883167994738,7cyclictest3919426-21gltestperf09:15:210
3883167994737,7cyclictest4025692-21kernelversion11:15:230
3883167994729,11cyclictest3914174-21diskmemload12:05:530
3883167994727,14cyclictest0-21swapper/007:50:090
3883169994640,4cyclictest3914555-21aten_r7power_cu09:10:181
3883169994639,5cyclictest4017414-21mailstats11:05:381
3883169994639,5cyclictest3905224-21apt08:35:001
3883169994639,4cyclictest3949807-21latency_hist09:50:011
3883169994638,6cyclictest3914128-21systemd09:05:421
3883169994637,6cyclictest3982199-21timerwakeupswit10:25:401
3883169994636,4cyclictest0-21swapper/109:40:411
3883169994635,8cyclictest0-21swapper/111:00:261
3883169994635,8cyclictest0-21swapper/111:00:251
3883167994636,6cyclictest4033998-21hostname11:25:170
3883167994626,17cyclictest0-21swapper/008:35:000
3883169994536,7cyclictest4036404-21kworker/u4:16+rpciod11:50:351
3883169994536,7cyclictest3999756-21processes10:45:361
3883169994536,7cyclictest3995528-21timerwakeupswit10:40:391
3883167994535,8cyclictest3912892-21cron09:05:000
3883169994438,4cyclictest4090556-21cut12:30:141
3883167994436,5cyclictest3907761-21kworker/u4:11-rpciod08:55:170
3883169994336,5cyclictest4027515-21kworker/u4:5+events_unbound11:20:591
3883169994332,8cyclictest0-21swapper/110:10:241
3883169994332,7cyclictest0-21swapper/108:20:211
3883167994334,7cyclictest3898746-21cron08:10:010
3883167994325,15cyclictest0-21swapper/008:25:010
3883169994235,5cyclictest3885334-21sendmail_mailqu07:15:361
3883169994234,6cyclictest4036399-21ssh11:27:381
3883169994132,6cyclictest3903958-21munin-plugin-st08:30:011
3883169994132,6cyclictest0-21swapper/108:40:211
3883169994128,10cyclictest0-21swapper/107:35:171
3883167994133,6cyclictest3883423-21aten_r7power_po07:10:270
3883169994032,6cyclictest3878161-21kworker/u4:0+events_unbound08:17:001
3883169994032,6cyclictest3658893-21kworker/u4:9+events_unbound08:53:001
3883167994031,6cyclictest3905394-21aten2__08:35:160
3883167993931,5cyclictest3898716-21kworker/u4:2-nfsiod08:25:280
3883167993930,6cyclictest0-21swapper/008:50:320
3883169993830,5cyclictest3884394-21kworker/u4:12-rpciod07:35:001
3883169993731,4cyclictest0-21swapper/108:05:211
3883169992919,7cyclictest0-21swapper/107:10:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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