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2025-10-22 - 08:32
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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 all highest latencies:
System rack1slot8.osadl.org (updated Wed Oct 22, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3223399463394,51cyclictest0-21swapper/019:22:570
3223399423348,65cyclictest0-21swapper/019:10:020
3223499394323,48cyclictest0-21swapper/119:22:571
321232276256,13sleep10-21swapper/119:09:171
322349911614,81cyclictest0-21swapper/120:59:001
322349911614,81cyclictest0-21swapper/120:58:591
2168991100,4rtkit-daemon2167-21rtkit-daemon22:27:091
322349910914,65cyclictest0-21swapper/122:20:591
2168991070,4rtkit-daemon2167-21rtkit-daemon21:03:231
2168991070,4rtkit-daemon2167-21rtkit-daemon19:33:011
2168991070,4rtkit-daemon2167-21rtkit-daemon00:38:521
2168991070,4rtkit-daemon2167-21rtkit-daemon00:05:161
2168991060,4rtkit-daemon2167-21rtkit-daemon22:13:151
2168991050,4rtkit-daemon2167-21rtkit-daemon23:52:321
2168991050,4rtkit-daemon2167-21rtkit-daemon21:32:341
2168991050,4rtkit-daemon2167-21rtkit-daemon21:08:521
2168991050,4rtkit-daemon2167-21rtkit-daemon20:18:371
2168991050,4rtkit-daemon2167-21rtkit-daemon19:52:061
2168991050,4rtkit-daemon2167-21rtkit-daemon19:15:421
2168991050,4rtkit-daemon2167-21rtkit-daemon00:13:371
2168991040,4rtkit-daemon2167-21rtkit-daemon22:38:291
2168991040,4rtkit-daemon2167-21rtkit-daemon20:20:381
2168991040,4rtkit-daemon2167-21rtkit-daemon19:58:361
2168991030,4rtkit-daemon2167-21rtkit-daemon23:32:161
2168991030,4rtkit-daemon2167-21rtkit-daemon00:32:471
2168991030,4rtkit-daemon2167-21rtkit-daemon00:28:461
2168991030,3rtkit-daemon2167-21rtkit-daemon19:48:361
2168991020,4rtkit-daemon2167-21rtkit-daemon23:06:151
2168991020,4rtkit-daemon2167-21rtkit-daemon22:40:101
2168991020,4rtkit-daemon2167-21rtkit-daemon21:38:481
2168991020,4rtkit-daemon2167-21rtkit-daemon20:30:531
2168991010,4rtkit-daemon2167-21rtkit-daemon21:41:441
322349910012,73cyclictest0-21swapper/120:12:001
2168991000,4rtkit-daemon2167-21rtkit-daemon23:28:351
2168991000,3rtkit-daemon2167-21rtkit-daemon19:43:561
216899990,4rtkit-daemon2167-21rtkit-daemon23:19:251
216899980,4rtkit-daemon2167-21rtkit-daemon19:14:411
216899970,4rtkit-daemon2167-21rtkit-daemon21:11:091
216899960,4rtkit-daemon2167-21rtkit-daemon22:32:451
216899950,4rtkit-daemon2167-21rtkit-daemon23:44:321
216899950,4rtkit-daemon2167-21rtkit-daemon21:46:431
216899950,4rtkit-daemon2167-21rtkit-daemon20:52:481
216899950,4rtkit-daemon2167-21rtkit-daemon20:52:471
216899920,4rtkit-daemon2167-21rtkit-daemon23:40:410
32233999017,67cyclictest0-21swapper/000:22:000
32233998879,5cyclictest13-21rcu_preempt21:59:590
216899870,3rtkit-daemon2167-21rtkit-daemon21:09:590
216899860,5rtkit-daemon2167-21rtkit-daemon22:05:300
216899830,4rtkit-daemon2167-21rtkit-daemon21:53:330
32233998213,63cyclictest0-21swapper/020:40:590
216899820,4rtkit-daemon2167-21rtkit-daemon21:34:330
216899820,3rtkit-daemon2167-21rtkit-daemon21:15:190
216899810,4rtkit-daemon2167-21rtkit-daemon23:38:100
216899810,4rtkit-daemon2167-21rtkit-daemon23:17:500
216899810,4rtkit-daemon2167-21rtkit-daemon22:10:040
216899800,4rtkit-daemon2167-21rtkit-daemon20:27:330
216899800,3rtkit-daemon2167-21rtkit-daemon21:10:480
32233997918,30cyclictest0-21swapper/000:33:590
216899790,4rtkit-daemon2167-21rtkit-daemon21:23:530
216899780,4rtkit-daemon2167-21rtkit-daemon22:40:540
216899780,4rtkit-daemon2167-21rtkit-daemon22:34:090
216899780,4rtkit-daemon2167-21rtkit-daemon00:28:210
216899780,3rtkit-daemon2167-21rtkit-daemon22:22:340
216899770,4rtkit-daemon2167-21rtkit-daemon22:35:290
216899770,12rtkit-daemon0-21swapper/021:51:391
216899750,12rtkit-daemon0-21swapper/019:35:061
216899740,4rtkit-daemon2167-21rtkit-daemon20:25:071
216899740,34rtkit-daemon2167-21rtkit-daemon00:19:461
216899740,32rtkit-daemon2167-21rtkit-daemon23:45:161
216899740,12rtkit-daemon0-21swapper/020:43:331
216899730,4rtkit-daemon2167-21rtkit-daemon23:12:011
216899730,4rtkit-daemon2167-21rtkit-daemon21:22:141
216899720,3rtkit-daemon2167-21rtkit-daemon20:47:421
216899720,3rtkit-daemon2167-21rtkit-daemon19:27:111
3223499716,47cyclictest78850irq/45-eth0-rx-23:59:581
32234997114,39cyclictest0-21swapper/122:59:581
216899710,4rtkit-daemon2167-21rtkit-daemon23:49:060
216899710,4rtkit-daemon2167-21rtkit-daemon22:16:050
216899710,4rtkit-daemon2167-21rtkit-daemon20:00:511
216899710,4rtkit-daemon17823-21ssh22:18:241
216899710,3rtkit-daemon2167-21rtkit-daemon22:06:291
32234997016,42cyclictest0-21swapper/121:56:581
3223399707,13cyclictest7199-21ps23:51:000
216899700,4rtkit-daemon2167-21rtkit-daemon20:04:170
216899690,5rtkit-daemon2167-21rtkit-daemon00:36:370
216899690,4rtkit-daemon2167-21rtkit-daemon20:20:170
216899690,4rtkit-daemon2167-21rtkit-daemon19:15:470
216899690,3rtkit-daemon2167-21rtkit-daemon21:16:031
32233996822,38cyclictest0-21swapper/019:51:590
32233996816,36cyclictest0-21swapper/019:57:000
32233996814,40cyclictest0-21swapper/020:19:000
216899680,4rtkit-daemon2167-21rtkit-daemon21:39:390
216899680,4rtkit-daemon2167-21rtkit-daemon00:19:060
174322680,5sleep00-21swapper/000:10:160
32233996723,33cyclictest0-21swapper/019:10:590
32233996720,34cyclictest0-21swapper/020:07:000
216899670,4rtkit-daemon2167-21rtkit-daemon23:08:350
216899670,4rtkit-daemon2167-21rtkit-daemon22:49:590
216899670,4rtkit-daemon2167-21rtkit-daemon22:48:541
216899670,3rtkit-daemon2167-21rtkit-daemon21:26:231
88602667,15sleep10-21swapper/122:02:311
32234996615,33cyclictest0-21swapper/100:02:591
32233996614,34cyclictest0-21swapper/019:27:000
216899660,4rtkit-daemon2167-21rtkit-daemon23:31:550
216899660,4rtkit-daemon2167-21rtkit-daemon23:23:350
216899660,4rtkit-daemon2167-21rtkit-daemon21:48:490
216899660,4rtkit-daemon2167-21rtkit-daemon20:56:480
216899660,4rtkit-daemon2167-21rtkit-daemon20:56:470
216899660,4rtkit-daemon2167-21rtkit-daemon20:35:230
216899660,4rtkit-daemon2167-21rtkit-daemon19:38:570
216899660,4rtkit-daemon2167-21rtkit-daemon19:31:510
32233996519,29cyclictest0-21swapper/020:30:590
32233996515,35cyclictest0-21swapper/022:02:580
32233996514,33cyclictest0-21swapper/021:02:580
216899650,4rtkit-daemon2167-21rtkit-daemon23:10:050
216899650,4rtkit-daemon2167-21rtkit-daemon23:00:360
216899650,4rtkit-daemon2167-21rtkit-daemon22:59:400
216899650,4rtkit-daemon2167-21rtkit-daemon22:29:240
216899650,4rtkit-daemon2167-21rtkit-daemon21:25:040
216899650,4rtkit-daemon2167-21rtkit-daemon20:53:080
216899650,4rtkit-daemon2167-21rtkit-daemon20:53:070
216899650,4rtkit-daemon2167-21rtkit-daemon00:07:010
216899650,4rtkit-daemon2167-21rtkit-daemon00:02:520
32234996414,35cyclictest0-21swapper/120:07:591
32234996413,35cyclictest0-21swapper/123:00:591
216899640,5rtkit-daemon2167-21rtkit-daemon23:26:250
216899640,4rtkit-daemon2167-21rtkit-daemon23:56:110
216899640,4rtkit-daemon2167-21rtkit-daemon21:40:330
216899640,4rtkit-daemon2167-21rtkit-daemon19:45:470
216899640,3rtkit-daemon2167-21rtkit-daemon22:50:440
216899640,3rtkit-daemon2167-21rtkit-daemon20:11:320
32234996310,34cyclictest0-21swapper/100:21:591
216899630,4rtkit-daemon2167-21rtkit-daemon20:45:080
216899630,4rtkit-daemon2167-21rtkit-daemon19:40:110
3223499615,43cyclictest0-21swapper/120:37:591
32234996113,33cyclictest0-21swapper/122:54:001
32234995713,32cyclictest0-21swapper/123:24:591
32234995413,30cyclictest0-21swapper/123:38:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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