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2025-07-03 - 05:52
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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 792 highest latencies:
System rack1slot8.osadl.org (updated Thu Jul 03, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1705899833763,51cyclictest0-21swapper/119:25:211
1705799753685,54cyclictest0-21swapper/019:25:210
17057995314,12cyclictest0-21swapper/019:10:020
1705899414347,54cyclictest0-21swapper/119:10:021
168472402379,16sleep00-21swapper/019:08:170
167392210192,12sleep10-21swapper/119:07:121
170579912838,84cyclictest0-21swapper/000:09:580
170579912311,105cyclictest0-21swapper/000:38:580
170579911915,22cyclictest0-21swapper/022:46:000
170579911827,84cyclictest0-21swapper/022:39:000
170579910716,74cyclictest0-21swapper/021:40:000
170579910316,68cyclictest0-21swapper/019:24:590
17057999514,60cyclictest0-21swapper/019:40:590
216899850,5rtkit-daemon2167-21rtkit-daemon20:40:260
216899830,4rtkit-daemon2167-21rtkit-daemon23:29:301
216899830,3rtkit-daemon2167-21rtkit-daemon22:44:191
17057998116,44cyclictest0-21swapper/021:48:000
17057998013,57cyclictest0-21swapper/022:05:000
216899790,18rtkit-daemon2167-21rtkit-daemon23:01:441
216899790,11rtkit-daemon0-21swapper/122:02:531
1705899796,19cyclictest0-21swapper/122:55:161
116372790,8sleep00-21swapper/022:33:240
1705899765,18cyclictest0-21swapper/121:13:411
216899750,4rtkit-daemon2167-21rtkit-daemon22:52:391
216899750,4rtkit-daemon2167-21rtkit-daemon00:09:301
1705899755,18cyclictest0-21swapper/122:37:371
17058997534,35cyclictest0-21swapper/123:24:591
17057997510,49cyclictest0-21swapper/019:32:590
1705899746,16cyclictest0-21swapper/121:40:141
17058997410,54cyclictest0-21swapper/120:04:011
17057997416,38cyclictest0-21swapper/021:20:590
216899730,4rtkit-daemon2167-21rtkit-daemon19:55:161
1705899737,17cyclictest0-21swapper/123:30:141
1705899737,16cyclictest0-21swapper/123:49:451
1705899736,20cyclictest0-21swapper/100:21:041
1705899736,17cyclictest0-21swapper/122:16:331
1705899736,17cyclictest0-21swapper/121:08:391
17058997316,13cyclictest0-21swapper/122:27:471
17057997322,30cyclictest0-21swapper/023:54:580
216899720,4rtkit-daemon2167-21rtkit-daemon22:31:231
216899720,4rtkit-daemon2167-21rtkit-daemon21:52:531
1705899727,18cyclictest0-21swapper/123:11:291
1705899727,18cyclictest0-21swapper/122:45:211
1705899727,18cyclictest0-21swapper/120:20:281
1705899727,15cyclictest0-21swapper/123:58:451
1705899726,16cyclictest0-21swapper/100:11:341
1705899726,16cyclictest0-21swapper/100:11:341
17058997212,17cyclictest0-21swapper/123:18:091
46322710,8sleep10-21swapper/121:25:231
216899710,5rtkit-daemon2167-21rtkit-daemon21:55:081
216899710,4rtkit-daemon2167-21rtkit-daemon23:41:401
1705899717,20cyclictest0-21swapper/100:30:251
1705899717,18cyclictest0-21swapper/122:21:341
1705899717,17cyclictest0-21swapper/100:25:231
1705899716,59cyclictest0-21swapper/121:34:451
1705899716,59cyclictest0-21swapper/121:34:451
1705899716,19cyclictest0-21swapper/121:20:201
1705899716,19cyclictest0-21swapper/121:19:371
1705899716,17cyclictest0-21swapper/123:10:001
17058997113,15cyclictest0-21swapper/120:34:241
1705899706,23cyclictest0-21swapper/122:14:551
1705899706,23cyclictest0-21swapper/100:36:081
1705899706,18cyclictest0-21swapper/123:50:201
1705899706,17cyclictest0-21swapper/122:06:431
17058997011,18cyclictest0-21swapper/100:17:211
17057997018,37cyclictest0-21swapper/000:14:590
17057997018,37cyclictest0-21swapper/000:14:590
17057997016,39cyclictest0-21swapper/000:29:590
17057997015,37cyclictest0-21swapper/021:00:590
216899690,4rtkit-daemon2167-21rtkit-daemon19:18:311
1705899698,18cyclictest0-21swapper/100:00:431
1705899697,19cyclictest0-21swapper/121:35:161
1705899697,17cyclictest0-21swapper/119:35:181
1705899696,19cyclictest0-21swapper/121:46:001
1705899696,19cyclictest0-21swapper/120:48:121
17058996917,38cyclictest0-21swapper/119:47:591
17058996912,12cyclictest0-21swapper/123:36:181
1705899686,18cyclictest0-21swapper/120:50:121
1705899686,18cyclictest0-21swapper/119:55:021
1705899686,17cyclictest0-21swapper/120:35:231
1705899686,17cyclictest0-21swapper/120:05:161
17057996816,35cyclictest0-21swapper/022:45:000
1705899678,19cyclictest0-21swapper/120:25:021
1705899677,16cyclictest0-21swapper/120:45:011
1705899676,19cyclictest0-21swapper/119:30:201
1705899676,17cyclictest0-21swapper/120:15:181
1705899676,16cyclictest0-21swapper/120:55:261
17057996714,38cyclictest0-21swapper/020:58:000
17057996714,35cyclictest0-21swapper/022:20:590
1705899667,17cyclictest0-21swapper/119:22:351
1705899666,18cyclictest0-21swapper/120:10:141
1705899665,17cyclictest0-21swapper/119:40:161
1705799669,38cyclictest0-21swapper/023:14:590
17057996622,29cyclictest0-21swapper/020:29:590
17057996615,38cyclictest0-21swapper/023:24:590
216899650,3rtkit-daemon2167-21rtkit-daemon21:32:570
216899650,3rtkit-daemon2167-21rtkit-daemon21:32:570
1705899657,17cyclictest0-21swapper/121:00:171
17057996519,32cyclictest0-21swapper/019:57:590
17057996515,35cyclictest0-21swapper/019:38:590
17057996514,36cyclictest0-21swapper/019:49:590
17057996415,37cyclictest0-21swapper/021:11:590
1705799634,51cyclictest0-21swapper/000:21:400
17057996313,42cyclictest0-21swapper/023:42:060
17057996215,34cyclictest0-21swapper/023:27:000
17057996214,37cyclictest0-21swapper/023:36:590
17057996214,33cyclictest0-21swapper/021:52:590
17057996213,41cyclictest0-21swapper/022:55:270
1705799615,50cyclictest0-21swapper/021:42:510
17057996117,29cyclictest0-21swapper/020:20:590
17057996116,32cyclictest0-21swapper/019:17:590
17057996023,26cyclictest0-21swapper/022:10:330
17057996015,33cyclictest0-21swapper/023:48:590
17057996014,34cyclictest0-21swapper/023:56:580
17057996014,31cyclictest0-21swapper/019:51:590
17057996013,33cyclictest0-21swapper/023:33:000
1705799595,47cyclictest0-21swapper/000:15:520
1705799595,35cyclictest0-21swapper/023:05:010
17057995916,35cyclictest0-21swapper/022:50:270
17057995915,31cyclictest0-21swapper/020:54:590
17057995914,32cyclictest0-21swapper/022:09:000
216899580,5rtkit-daemon31363-21munin-node21:15:320
17057995830,21cyclictest0-21swapper/000:03:360
17057995817,28cyclictest0-21swapper/020:08:590
17057995817,25cyclictest0-21swapper/020:20:010
17057995816,31cyclictest0-21swapper/020:32:000
17057995812,39cyclictest0-21swapper/023:00:300
17057995812,33cyclictest0-21swapper/020:12:000
216899570,4rtkit-daemon2167-21rtkit-daemon21:56:240
17057995714,31cyclictest0-21swapper/021:09:590
17057995713,30cyclictest0-21swapper/020:47:590
17057995614,30cyclictest0-21swapper/000:34:580
1705799555,44cyclictest0-21swapper/022:17:390
1705799555,31cyclictest0-21swapper/022:30:030
17057995531,17cyclictest0-21swapper/023:15:250
17057995517,28cyclictest0-21swapper/021:25:260
17057995513,30cyclictest0-21swapper/020:01:590
17057995332,15cyclictest0-21swapper/020:38:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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