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2025-11-03 - 08:05
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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 100 highest latencies:
System rack1slot8.osadl.org (updated Mon Nov 03, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2914899866791,51cyclictest0-21swapper/019:10:480
2914999807730,43cyclictest0-21swapper/119:10:491
290482805785,13sleep10-21swapper/119:09:241
2914999472395,47cyclictest17531-21strings21:25:221
2914899325259,55cyclictest0-21swapper/021:25:220
29035212096,17sleep00-21swapper/019:09:160
2168991130,4rtkit-daemon2167-21rtkit-daemon22:44:431
291499911115,61cyclictest0-21swapper/120:35:001
2168991100,4rtkit-daemon2167-21rtkit-daemon19:41:211
29149999515,73cyclictest0-21swapper/120:05:011
29148998971,14cyclictest0-21swapper/000:00:580
216899850,4rtkit-daemon2167-21rtkit-daemon00:21:250
29149998112,54cyclictest0-21swapper/119:51:001
216899810,4rtkit-daemon2167-21rtkit-daemon22:50:250
216899780,4rtkit-daemon2167-21rtkit-daemon20:00:210
216899780,4rtkit-daemon2167-21rtkit-daemon00:35:210
216899770,3rtkit-daemon2167-21rtkit-daemon20:30:210
29149997613,49cyclictest0-21swapper/121:45:581
216899760,35rtkit-daemon2167-21rtkit-daemon23:58:151
29148997555,16cyclictest0-21swapper/000:15:580
29148997510,58cyclictest0-21swapper/021:55:580
216899750,3rtkit-daemon2167-21rtkit-daemon23:00:041
216899750,3rtkit-daemon2167-21rtkit-daemon23:00:041
29148997413,53cyclictest0-21swapper/019:16:000
216899740,4rtkit-daemon2167-21rtkit-daemon23:59:560
216899740,4rtkit-daemon2167-21rtkit-daemon23:07:350
216899740,4rtkit-daemon2167-21rtkit-daemon22:28:280
216899740,4rtkit-daemon2167-21rtkit-daemon20:35:010
216899740,4rtkit-daemon2167-21rtkit-daemon19:48:251
216899730,4rtkit-daemon2167-21rtkit-daemon22:43:140
216899730,4rtkit-daemon2167-21rtkit-daemon21:16:420
216899730,4rtkit-daemon2167-21rtkit-daemon19:28:260
216899730,3rtkit-daemon2167-21rtkit-daemon20:51:421
216899730,3rtkit-daemon2167-21rtkit-daemon20:47:411
216899720,4rtkit-daemon2167-21rtkit-daemon23:02:500
216899720,4rtkit-daemon2167-21rtkit-daemon23:02:490
216899720,4rtkit-daemon2167-21rtkit-daemon22:36:530
216899720,4rtkit-daemon2167-21rtkit-daemon00:26:250
216899720,31rtkit-daemon2167-21rtkit-daemon21:55:521
216899720,3rtkit-daemon2167-21rtkit-daemon00:13:011
216899720,27rtkit-daemon25308-21ssh23:30:440
29149997111,46cyclictest0-21swapper/119:57:591
216899710,4rtkit-daemon2167-21rtkit-daemon23:20:390
216899710,4rtkit-daemon2167-21rtkit-daemon22:02:040
216899710,4rtkit-daemon2167-21rtkit-daemon21:53:130
216899710,4rtkit-daemon2167-21rtkit-daemon20:57:160
216899710,4rtkit-daemon2167-21rtkit-daemon20:50:320
216899710,4rtkit-daemon2167-21rtkit-daemon20:29:060
216899710,4rtkit-daemon2167-21rtkit-daemon20:17:460
216899710,4rtkit-daemon2167-21rtkit-daemon20:12:160
216899710,4rtkit-daemon2167-21rtkit-daemon20:06:410
216899710,4rtkit-daemon2167-21rtkit-daemon19:52:100
216899710,4rtkit-daemon2167-21rtkit-daemon19:47:400
216899710,4rtkit-daemon2167-21rtkit-daemon19:44:050
216899710,3rtkit-daemon2167-21rtkit-daemon21:08:421
216899700,4rtkit-daemon2167-21rtkit-daemon23:18:350
216899700,4rtkit-daemon2167-21rtkit-daemon21:47:370
216899700,4rtkit-daemon2167-21rtkit-daemon21:31:430
216899700,4rtkit-daemon2167-21rtkit-daemon21:13:470
216899700,4rtkit-daemon2167-21rtkit-daemon21:05:070
216899700,4rtkit-daemon2167-21rtkit-daemon20:42:070
216899700,4rtkit-daemon2167-21rtkit-daemon19:57:450
216899700,4rtkit-daemon2167-21rtkit-daemon19:35:510
216899700,4rtkit-daemon2167-21rtkit-daemon19:31:050
216899700,4rtkit-daemon2167-21rtkit-daemon00:07:400
216899700,30rtkit-daemon2167-21rtkit-daemon21:20:531
216899700,10rtkit-daemon0-21swapper/120:29:561
29149996914,33cyclictest0-21swapper/100:15:591
216899690,9rtkit-daemon0-21swapper/023:42:100
216899690,4rtkit-daemon2167-21rtkit-daemon23:53:450
216899690,4rtkit-daemon2167-21rtkit-daemon23:49:510
216899690,4rtkit-daemon2167-21rtkit-daemon23:25:391
216899690,4rtkit-daemon2167-21rtkit-daemon22:17:180
216899690,4rtkit-daemon2167-21rtkit-daemon21:03:470
216899690,4rtkit-daemon2167-21rtkit-daemon20:45:060
216899690,4rtkit-daemon2167-21rtkit-daemon20:21:260
216899690,4rtkit-daemon2167-21rtkit-daemon00:14:350
216899690,3rtkit-daemon2167-21rtkit-daemon23:26:100
216899690,3rtkit-daemon2167-21rtkit-daemon22:46:280
29149996815,33cyclictest0-21swapper/120:36:591
216899680,4rtkit-daemon2167-21rtkit-daemon22:57:540
216899680,4rtkit-daemon2167-21rtkit-daemon22:23:040
216899680,4rtkit-daemon2167-21rtkit-daemon00:31:260
216899680,3rtkit-daemon2167-21rtkit-daemon22:12:040
29149996714,38cyclictest0-21swapper/100:25:581
29149996714,33cyclictest0-21swapper/120:59:591
216899670,4rtkit-daemon2167-21rtkit-daemon23:36:400
216899670,4rtkit-daemon2167-21rtkit-daemon23:13:340
216899670,4rtkit-daemon2167-21rtkit-daemon19:22:500
29149996615,35cyclictest0-21swapper/121:55:001
29149996614,39cyclictest0-21swapper/123:20:591
29149996613,31cyclictest0-21swapper/122:53:581
216899660,4rtkit-daemon2167-21rtkit-daemon22:33:040
216899660,4rtkit-daemon2167-21rtkit-daemon21:35:370
216899660,4rtkit-daemon2167-21rtkit-daemon00:22:361
216899660,3rtkit-daemon2167-21rtkit-daemon21:41:580
216899660,26rtkit-daemon2167-21rtkit-daemon22:10:431
29149996514,32cyclictest0-21swapper/119:36:591
29149996513,40cyclictest0-21swapper/123:32:591
216899650,4rtkit-daemon2167-21rtkit-daemon21:24:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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