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2025-12-02 - 08:52
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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 rack1slot8.osadl.org (updated Tue Dec 02, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30284999337,14cyclictest0-21swapper/019:11:120
3028599912808,56cyclictest0-21swapper/119:11:121
3028499849758,80cyclictest21589-21if_eth021:30:170
3028599785697,46cyclictest21585-21ssh21:30:171
298192586565,14sleep10-21swapper/119:05:401
298002270247,16sleep00-21swapper/019:05:270
2168991100,4rtkit-daemon2167-21rtkit-daemon23:10:121
30284999875,18cyclictest0-21swapper/023:58:590
30285999513,62cyclictest0-21swapper/120:34:591
216899920,4rtkit-daemon2167-21rtkit-daemon22:27:570
30285998610,58cyclictest0-21swapper/121:04:591
216899860,4rtkit-daemon2167-21rtkit-daemon21:48:110
216899860,4rtkit-daemon2167-21rtkit-daemon21:26:250
216899830,4rtkit-daemon2167-21rtkit-daemon23:02:171
30285998213,57cyclictest0-21swapper/119:42:591
216899820,6rtkit-daemon2167-21rtkit-daemon23:24:380
216899820,4rtkit-daemon2167-21rtkit-daemon22:52:420
216899770,4rtkit-daemon2167-21rtkit-daemon20:42:251
216899760,4rtkit-daemon2167-21rtkit-daemon00:14:341
3028599754,49cyclictest25610-21ssh22:32:591
216899750,4rtkit-daemon2167-21rtkit-daemon22:15:360
216899740,4rtkit-daemon2167-21rtkit-daemon23:09:371
30285997312,53cyclictest0-21swapper/122:55:001
30285997241,21cyclictest0-21swapper/122:00:001
30285997113,43cyclictest0-21swapper/120:00:001
30284997112,49cyclictest0-21swapper/023:15:230
216899710,4rtkit-daemon2167-21rtkit-daemon22:13:211
216899700,4rtkit-daemon2167-21rtkit-daemon22:20:411
216899700,3rtkit-daemon2167-21rtkit-daemon23:43:531
216899700,3rtkit-daemon2167-21rtkit-daemon21:45:061
216899690,3rtkit-daemon2167-21rtkit-daemon22:08:561
216899680,3rtkit-daemon2167-21rtkit-daemon22:00:511
216899680,3rtkit-daemon2167-21rtkit-daemon20:14:391
216899670,4rtkit-daemon2167-21rtkit-daemon21:11:101
216899670,4rtkit-daemon2167-21rtkit-daemon21:05:301
216899670,4rtkit-daemon2167-21rtkit-daemon20:57:450
216899670,4rtkit-daemon2167-21rtkit-daemon00:35:541
30285996616,35cyclictest0-21swapper/100:09:591
30284996643,16cyclictest0-21swapper/000:25:260
30284996629,30cyclictest0-21swapper/022:47:090
216899660,4rtkit-daemon2167-21rtkit-daemon23:50:480
216899660,4rtkit-daemon2167-21rtkit-daemon23:45:381
216899660,3rtkit-daemon2167-21rtkit-daemon22:59:471
216899660,10rtkit-daemon0-21swapper/121:21:501
30284996543,13cyclictest0-21swapper/020:05:220
216899650,4rtkit-daemon2167-21rtkit-daemon00:20:491
30285996414,34cyclictest0-21swapper/123:19:591
3028499649,48cyclictest0-21swapper/020:54:590
3028499645,52cyclictest0-21swapper/019:43:590
30284996425,20cyclictest0-21swapper/022:55:200
216899640,3rtkit-daemon2167-21rtkit-daemon19:32:590
30285996340,8cyclictest13-21rcu_preempt23:29:591
30285996314,34cyclictest0-21swapper/123:20:591
216899630,4rtkit-daemon2167-21rtkit-daemon21:53:011
216899630,4rtkit-daemon2167-21rtkit-daemon21:53:011
216899630,4rtkit-daemon2167-21rtkit-daemon19:20:241
30285996220,28cyclictest0-21swapper/119:19:001
216899620,4rtkit-daemon2167-21rtkit-daemon22:16:211
30285996118,29cyclictest0-21swapper/121:42:591
30285996115,33cyclictest0-21swapper/100:34:591
3028499618,45cyclictest0-21swapper/022:33:080
30285996015,32cyclictest0-21swapper/120:36:001
30285996013,31cyclictest0-21swapper/120:27:581
3028499606,47cyclictest0-21swapper/023:31:350
3028499606,37cyclictest0-21swapper/020:45:020
216899600,4rtkit-daemon2167-21rtkit-daemon00:37:590
216899600,3rtkit-daemon2167-21rtkit-daemon00:27:431
216899600,3rtkit-daemon0-21swapper/023:00:370
30285995914,35cyclictest0-21swapper/121:27:591
30285995913,33cyclictest0-21swapper/120:06:591
3028499599,30cyclictest0-21swapper/022:05:140
3028499597,34cyclictest0-21swapper/023:50:000
3028499596,46cyclictest0-21swapper/023:07:210
3028499596,46cyclictest0-21swapper/021:23:130
3028499596,35cyclictest0-21swapper/020:20:020
3028499595,35cyclictest0-21swapper/020:00:010
30284995931,21cyclictest0-21swapper/019:20:240
30284995924,28cyclictest0-21swapper/022:12:140
30284995920,32cyclictest0-21swapper/000:10:230
30284995912,41cyclictest0-21swapper/020:36:590
216899590,3rtkit-daemon30283-21cyclictest20:33:050
30285995815,36cyclictest0-21swapper/119:26:591
30285995813,32cyclictest0-21swapper/123:39:001
3028499587,44cyclictest0-21swapper/019:25:240
3028499585,37cyclictest0-21swapper/021:20:020
3028499585,35cyclictest0-21swapper/000:05:010
30284995832,19cyclictest0-21swapper/019:35:230
30284995818,26cyclictest0-21swapper/023:42:030
30285995715,28cyclictest0-21swapper/120:47:001
30285995714,29cyclictest0-21swapper/122:26:591
30285995713,31cyclictest0-21swapper/123:59:591
30285995713,31cyclictest0-21swapper/120:22:001
30285995713,29cyclictest0-21swapper/119:45:591
30285995712,34cyclictest0-21swapper/122:36:591
3028499575,35cyclictest0-21swapper/022:45:010
3028499575,33cyclictest0-21swapper/020:30:010
30284995734,17cyclictest0-21swapper/000:20:270
30284995733,17cyclictest0-21swapper/023:25:180
30284995722,18cyclictest78950irq/46-eth0-tx-21:40:140
30285995615,30cyclictest0-21swapper/119:38:001
30285995614,30cyclictest0-21swapper/120:17:001
30285995614,29cyclictest0-21swapper/100:03:591
30285995612,32cyclictest0-21swapper/119:32:001
30285995611,39cyclictest0-21swapper/120:54:011
30285995611,30cyclictest0-21swapper/122:42:591
3028499566,44cyclictest0-21swapper/000:18:040
3028499566,29cyclictest0-21swapper/021:50:040
3028499566,29cyclictest0-21swapper/021:50:040
3028499565,34cyclictest0-21swapper/020:15:010
30284995623,26cyclictest0-21swapper/000:31:010
30284995622,27cyclictest0-21swapper/021:12:090
30284995617,33cyclictest0-21swapper/023:36:590
30284995617,33cyclictest0-21swapper/022:01:310
211482564,12sleep10-21swapper/100:16:131
52272555,15sleep00-21swapper/021:57:180
3028499558,40cyclictest0-21swapper/022:20:190
3028499556,43cyclictest0-21swapper/020:23:560
30284995517,30cyclictest0-21swapper/021:35:130
216899550,11rtkit-daemon0-21swapper/000:05:030
30285995413,30cyclictest0-21swapper/121:38:591
3028499548,38cyclictest0-21swapper/021:00:130
3028499545,33cyclictest0-21swapper/021:10:010
30284995416,32cyclictest0-21swapper/023:13:000
30284995416,32cyclictest0-21swapper/019:45:590
30284995415,33cyclictest0-21swapper/019:15:590
30284995412,33cyclictest0-21swapper/022:35:160
30285995313,28cyclictest0-21swapper/120:57:591
30285995312,32cyclictest0-21swapper/119:52:591
3028499535,32cyclictest0-21swapper/020:45:010
30284995316,31cyclictest0-21swapper/019:51:590
138452534,12sleep10-21swapper/121:17:001
30285995214,26cyclictest0-21swapper/122:45:591
30285995213,27cyclictest0-21swapper/123:52:591
282942524,12sleep10-21swapper/123:34:021
161592514,12sleep00-21swapper/020:00:060
3028599505,33cyclictest0-21swapper/120:03:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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