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2025-11-21 - 12:23
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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 Fri Nov 21, 2025 00:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2419099922834,73cyclictest1067-21snmpd21:02:000
2419099869789,51cyclictest0-21swapper/019:10:440
2419399826753,44cyclictest14-21rcuop/021:02:001
2419399786709,47cyclictest0-21swapper/119:10:431
240142768746,15sleep00-21swapper/019:08:320
239362747728,13sleep10-21swapper/119:07:481
2168991030,4rtkit-daemon2167-21rtkit-daemon23:01:081
24193991007,73cyclictest0-21swapper/121:05:591
24193999914,66cyclictest0-21swapper/120:31:591
24193999914,66cyclictest0-21swapper/120:31:581
216899990,4rtkit-daemon2167-21rtkit-daemon21:57:270
24193999817,59cyclictest0-21swapper/121:57:591
24190999513,76cyclictest0-21swapper/022:44:590
24193999214,60cyclictest0-21swapper/123:31:581
216899850,5rtkit-daemon2167-21rtkit-daemon20:40:221
24190998410,67cyclictest0-21swapper/023:25:000
216899840,4rtkit-daemon2167-21rtkit-daemon21:20:221
216899820,4rtkit-daemon2167-21rtkit-daemon23:27:551
24193998112,55cyclictest0-21swapper/121:35:001
24190997933,30cyclictest0-21swapper/020:10:000
216899790,5rtkit-daemon2167-21rtkit-daemon23:20:341
24190997730,40cyclictest0-21swapper/023:15:580
216899760,4rtkit-daemon2167-21rtkit-daemon22:26:241
216899760,4rtkit-daemon2167-21rtkit-daemon22:15:241
216899760,3rtkit-daemon2167-21rtkit-daemon23:40:391
24190997523,39cyclictest0-21swapper/020:49:580
24190997446,16cyclictest0-21swapper/020:50:170
24190997430,15cyclictest0-21swapper/023:42:000
24190997422,38cyclictest0-21swapper/019:56:590
24190997422,38cyclictest0-21swapper/019:56:590
24190997421,37cyclictest0-21swapper/019:48:580
216899740,4rtkit-daemon2167-21rtkit-daemon00:09:460
24193997316,37cyclictest0-21swapper/119:58:001
24193997316,37cyclictest0-21swapper/119:57:591
24193997314,37cyclictest0-21swapper/122:39:591
216899730,5rtkit-daemon2167-21rtkit-daemon22:48:041
216899730,4rtkit-daemon2167-21rtkit-daemon20:17:151
216899720,4rtkit-daemon2167-21rtkit-daemon21:23:570
216899720,4rtkit-daemon2167-21rtkit-daemon00:12:151
216899720,3rtkit-daemon2167-21rtkit-daemon19:38:051
24193997117,36cyclictest0-21swapper/120:29:591
24190997138,27cyclictest0-21swapper/021:12:070
216899710,5rtkit-daemon2167-21rtkit-daemon21:41:131
216899710,4rtkit-daemon2167-21rtkit-daemon23:11:491
216899710,4rtkit-daemon2167-21rtkit-daemon22:22:140
216899710,4rtkit-daemon2167-21rtkit-daemon19:31:011
216899710,4rtkit-daemon2167-21rtkit-daemon19:31:001
216899710,3rtkit-daemon2167-21rtkit-daemon22:43:331
24193997010,38cyclictest0-21swapper/119:29:591
24190997048,16cyclictest0-21swapper/022:15:240
24190997043,21cyclictest6844-21processes21:15:230
24190997043,18cyclictest0-21swapper/022:53:110
24190997023,31cyclictest0-21swapper/021:08:590
24190997014,35cyclictest0-21swapper/022:00:590
24190997011,48cyclictest0-21swapper/022:46:180
216899700,4rtkit-daemon2167-21rtkit-daemon23:45:101
216899700,3rtkit-daemon2167-21rtkit-daemon21:49:181
24193996916,34cyclictest0-21swapper/123:38:591
24193996916,33cyclictest0-21swapper/120:54:001
24193996913,34cyclictest0-21swapper/119:48:001
24190996939,23cyclictest0-21swapper/021:30:270
24190996921,35cyclictest0-21swapper/019:32:000
24190996921,35cyclictest0-21swapper/019:31:590
216899690,3rtkit-daemon2167-21rtkit-daemon00:30:101
24193996813,34cyclictest0-21swapper/100:20:591
24190996833,28cyclictest0-21swapper/023:27:440
216899680,4rtkit-daemon2167-21rtkit-daemon23:13:350
216899680,4rtkit-daemon2167-21rtkit-daemon21:52:581
216899680,4rtkit-daemon2167-21rtkit-daemon20:55:360
216899680,4rtkit-daemon2167-21rtkit-daemon19:24:401
216899680,3rtkit-daemon2167-21rtkit-daemon23:58:261
216899680,3rtkit-daemon2167-21rtkit-daemon21:39:271
216899680,3rtkit-daemon2167-21rtkit-daemon20:36:271
216899680,3rtkit-daemon2167-21rtkit-daemon20:36:261
216899680,3rtkit-daemon2167-21rtkit-daemon20:06:451
24193996715,33cyclictest0-21swapper/122:33:581
24190996747,15cyclictest0-21swapper/000:36:000
216899670,4rtkit-daemon2167-21rtkit-daemon22:11:230
216899670,4rtkit-daemon2167-21rtkit-daemon21:27:310
216899670,4rtkit-daemon2167-21rtkit-daemon20:00:061
216899670,4rtkit-daemon2167-21rtkit-daemon19:43:161
216899670,4rtkit-daemon2167-21rtkit-daemon19:43:151
216899670,3rtkit-daemon2167-21rtkit-daemon20:22:221
216899670,3rtkit-daemon2167-21rtkit-daemon00:26:211
2419399665,44cyclictest0-21swapper/121:13:591
24193996616,33cyclictest0-21swapper/122:20:581
24190996642,17cyclictest0-21swapper/023:05:180
24190996639,21cyclictest0-21swapper/000:02:120
24190996616,34cyclictest0-21swapper/023:53:000
24190996615,36cyclictest0-21swapper/023:56:590
24190996614,39cyclictest0-21swapper/020:15:590
216899660,4rtkit-daemon2167-21rtkit-daemon23:49:000
216899660,4rtkit-daemon2167-21rtkit-daemon23:00:040
216899660,4rtkit-daemon2167-21rtkit-daemon22:28:530
216899660,4rtkit-daemon2167-21rtkit-daemon21:36:070
216899660,4rtkit-daemon2167-21rtkit-daemon20:38:470
216899660,4rtkit-daemon2167-21rtkit-daemon20:38:460
216899660,4rtkit-daemon2167-21rtkit-daemon00:28:310
216899660,3rtkit-daemon2167-21rtkit-daemon20:55:161
216899660,3rtkit-daemon2167-21rtkit-daemon00:15:460
216899660,3rtkit-daemon2167-21rtkit-daemon00:04:151
2419399659,37cyclictest0-21swapper/119:15:591
24190996544,16cyclictest0-21swapper/000:20:160
24190996542,17cyclictest0-21swapper/000:30:230
24190996542,16cyclictest0-21swapper/023:31:040
216899650,4rtkit-daemon2167-21rtkit-daemon22:37:180
216899650,4rtkit-daemon2167-21rtkit-daemon22:31:040
216899650,4rtkit-daemon2167-21rtkit-daemon21:49:470
216899650,4rtkit-daemon2167-21rtkit-daemon21:44:530
216899650,4rtkit-daemon2167-21rtkit-daemon21:16:221
216899650,4rtkit-daemon2167-21rtkit-daemon19:25:100
216899650,3rtkit-daemon2167-21rtkit-daemon22:55:441
216899650,3rtkit-daemon2167-21rtkit-daemon22:09:270
216899650,3rtkit-daemon2167-21rtkit-daemon22:03:371
24193996412,33cyclictest0-21swapper/123:50:581
24190996441,17cyclictest0-21swapper/000:10:190
216899640,4rtkit-daemon2167-21rtkit-daemon22:59:380
24193996314,31cyclictest0-21swapper/100:17:591
24190996316,34cyclictest0-21swapper/021:51:000
24190996316,32cyclictest0-21swapper/020:26:580
216899630,3rtkit-daemon2167-21rtkit-daemon21:25:061
24193996214,31cyclictest0-21swapper/122:07:001
24193996212,33cyclictest0-21swapper/119:51:581
24190996211,34cyclictest0-21swapper/019:43:590
24190996211,34cyclictest0-21swapper/019:43:580
216899620,3rtkit-daemon2167-21rtkit-daemon20:47:411
24190996134,20cyclictest0-21swapper/023:35:340
216899610,4rtkit-daemon2167-21rtkit-daemon23:18:101
24193996010,36cyclictest0-21swapper/122:50:591
2419099606,47cyclictest0-21swapper/019:15:180
24190996038,16cyclictest0-21swapper/020:40:280
216899600,11rtkit-daemon0-21swapper/119:51:360
2419399599,31cyclictest0-21swapper/123:05:591
24193995915,31cyclictest0-21swapper/120:11:001
24190995940,13cyclictest10795-21ntpdc20:00:230
2419099586,34cyclictest0-21swapper/020:25:010
24190995813,34cyclictest0-21swapper/020:12:000
24193995713,30cyclictest0-21swapper/122:13:581
24193995712,29cyclictest0-21swapper/100:05:591
24190995734,16cyclictest0-21swapper/019:35:180
24190995715,28cyclictest0-21swapper/019:20:590
24193995613,29cyclictest0-21swapper/100:37:591
24190995330,16cyclictest0-21swapper/020:30:180
24190995330,16cyclictest0-21swapper/020:30:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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