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2025-04-02 - 06:39
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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 Wed Apr 02, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1144299785727,51cyclictest0-21swapper/019:12:210
110262641618,16sleep00-21swapper/019:06:130
1144299511427,46cyclictest1139-21nscd21:30:250
1144399423359,48cyclictest31872-21processes21:30:241
111742363342,15sleep10-21swapper/119:07:441
114439912015,67cyclictest0-21swapper/121:01:591
11443999423,53cyclictest0-21swapper/121:56:591
11443999212,64cyclictest0-21swapper/123:36:591
11442998970,15cyclictest0-21swapper/021:25:000
1144399864,48cyclictest0-21swapper/119:12:211
11442998662,18cyclictest23894-21ssh22:15:590
216899800,12rtkit-daemon0-21swapper/022:58:521
216899770,4rtkit-daemon2167-21rtkit-daemon00:19:531
216899760,4rtkit-daemon2167-21rtkit-daemon21:15:590
216899760,12rtkit-daemon0-21swapper/020:27:090
216899750,3rtkit-daemon2167-21rtkit-daemon21:47:301
11442997554,6cyclictest20076-21diskmemload00:28:580
11442997554,6cyclictest20076-21diskmemload00:28:580
216899740,33rtkit-daemon1148-21nscd21:51:101
216899740,32rtkit-daemon2167-21rtkit-daemon20:30:141
216899730,4rtkit-daemon2167-21rtkit-daemon23:06:221
216899730,4rtkit-daemon2167-21rtkit-daemon22:37:371
216899730,4rtkit-daemon2167-21rtkit-daemon20:47:041
216899730,4rtkit-daemon2167-21rtkit-daemon20:28:441
216899730,4rtkit-daemon2167-21rtkit-daemon00:33:090
216899720,4rtkit-daemon2167-21rtkit-daemon23:08:210
216899720,4rtkit-daemon2167-21rtkit-daemon21:57:400
216899720,3rtkit-daemon2167-21rtkit-daemon21:44:510
216899720,3rtkit-daemon2167-21rtkit-daemon19:38:331
216899720,3rtkit-daemon2167-21rtkit-daemon00:29:181
216899720,3rtkit-daemon2167-21rtkit-daemon00:29:181
216899710,4rtkit-daemon2167-21rtkit-daemon23:50:570
216899710,4rtkit-daemon2167-21rtkit-daemon22:31:311
216899710,4rtkit-daemon2167-21rtkit-daemon20:53:140
216899710,4rtkit-daemon2167-21rtkit-daemon20:08:081
216899710,4rtkit-daemon2167-21rtkit-daemon20:07:580
216899710,4rtkit-daemon2167-21rtkit-daemon19:47:081
216899710,3rtkit-daemon2167-21rtkit-daemon21:08:241
11442997113,52cyclictest0-21swapper/022:44:580
216899700,4rtkit-daemon2167-21rtkit-daemon21:49:450
216899700,4rtkit-daemon2167-21rtkit-daemon21:14:300
216899700,4rtkit-daemon2167-21rtkit-daemon20:32:100
216899700,3rtkit-daemon2167-21rtkit-daemon19:51:591
216899690,4rtkit-daemon2167-21rtkit-daemon23:15:420
216899690,4rtkit-daemon2167-21rtkit-daemon23:12:320
216899690,4rtkit-daemon2167-21rtkit-daemon21:38:000
216899690,4rtkit-daemon2167-21rtkit-daemon21:25:240
216899690,4rtkit-daemon2167-21rtkit-daemon21:00:350
216899690,4rtkit-daemon2167-21rtkit-daemon20:58:340
216899690,4rtkit-daemon2167-21rtkit-daemon20:44:590
216899690,4rtkit-daemon2167-21rtkit-daemon19:46:180
216899690,4rtkit-daemon2167-21rtkit-daemon00:07:240
216899690,4rtkit-daemon2167-21rtkit-daemon00:03:520
216899690,3rtkit-daemon2167-21rtkit-daemon22:01:110
216899690,3rtkit-daemon2167-21rtkit-daemon20:13:191
216899690,3rtkit-daemon2167-21rtkit-daemon19:27:430
216899690,3rtkit-daemon2167-21rtkit-daemon19:24:480
216899680,4rtkit-daemon2167-21rtkit-daemon22:51:160
216899680,4rtkit-daemon2167-21rtkit-daemon22:21:260
216899680,4rtkit-daemon2167-21rtkit-daemon20:12:080
216899680,4rtkit-daemon2167-21rtkit-daemon19:52:330
216899680,4rtkit-daemon2167-21rtkit-daemon19:36:080
216899680,3rtkit-daemon2167-21rtkit-daemon23:49:320
216899680,3rtkit-daemon2167-21rtkit-daemon22:12:400
216899680,3rtkit-daemon2167-21rtkit-daemon20:03:380
216899680,3rtkit-daemon2167-21rtkit-daemon19:34:541
11443996811,50cyclictest0-21swapper/120:38:591
11442996813,34cyclictest0-21swapper/023:30:140
11442996812,29cyclictest0-21swapper/019:44:590
216899670,4rtkit-daemon2167-21rtkit-daemon22:48:160
216899670,4rtkit-daemon2167-21rtkit-daemon20:45:440
216899670,4rtkit-daemon2167-21rtkit-daemon20:39:140
216899670,4rtkit-daemon2167-21rtkit-daemon20:24:390
216899670,4rtkit-daemon2167-21rtkit-daemon19:30:130
216899670,4rtkit-daemon2167-21rtkit-daemon19:17:230
216899670,3rtkit-daemon2167-21rtkit-daemon19:40:341
216899660,4rtkit-daemon2167-21rtkit-daemon22:56:360
216899660,4rtkit-daemon2167-21rtkit-daemon22:29:061
216899660,4rtkit-daemon2167-21rtkit-daemon22:25:110
11442996613,46cyclictest0-21swapper/000:22:580
216899650,8rtkit-daemon0-21swapper/022:36:210
216899650,4rtkit-daemon2167-21rtkit-daemon23:59:320
216899650,4rtkit-daemon2167-21rtkit-daemon23:04:060
216899650,4rtkit-daemon2167-21rtkit-daemon00:38:230
216899650,4rtkit-daemon2167-21rtkit-daemon00:10:330
216899650,3rtkit-daemon2167-21rtkit-daemon22:43:361
216899650,3rtkit-daemon2167-21rtkit-daemon00:08:131
1144299659,35cyclictest0-21swapper/000:15:180
11442996513,33cyclictest0-21swapper/023:41:360
216899640,4rtkit-daemon2167-21rtkit-daemon22:34:010
216899640,4rtkit-daemon2167-21rtkit-daemon21:08:340
216899640,4rtkit-daemon2167-21rtkit-daemon19:59:030
216899640,3rtkit-daemon2167-21rtkit-daemon23:14:271
216899640,3rtkit-daemon2167-21rtkit-daemon00:31:231
216899630,4rtkit-daemon2167-21rtkit-daemon22:09:551
216899630,4rtkit-daemon2167-21rtkit-daemon21:53:560
11443996314,31cyclictest0-21swapper/123:31:581
11443996313,35cyclictest0-21swapper/120:22:001
11443996311,34cyclictest0-21swapper/120:41:011
1144399628,48cyclictest0-21swapper/119:25:591
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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