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2025-11-24 - 06:27
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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 Mon Nov 24, 2025 00:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1479699904832,49cyclictest0-21swapper/119:10:021
1479599879809,53cyclictest0-21swapper/019:10:020
146282643620,16sleep00-21swapper/019:08:400
145642603580,14sleep10-21swapper/119:08:021
1479699355290,29cyclictest0-21swapper/119:25:221
14795991193,6cyclictest26187-21ssh23:57:580
1479599994,89cyclictest0-21swapper/000:14:590
327042790,2sleep1251rcuc/100:10:011
17072790,5sleep11706-21ssh22:19:371
1479699775,17cyclictest0-21swapper/121:35:061
1479699775,17cyclictest0-21swapper/121:19:051
1479699766,15cyclictest0-21swapper/121:28:021
1479699764,11cyclictest21907-21sh22:55:001
1479599764,55cyclictest0-21swapper/021:55:000
1479699756,62cyclictest0-21swapper/123:18:101
1479699756,17cyclictest0-21swapper/123:52:221
14796997512,8cyclictest31595-21munin-node19:55:181
1479599754,55cyclictest0-21swapper/021:15:590
313882740,2sleep0221rcuc/022:15:020
1479699746,19cyclictest0-21swapper/122:25:101
1479699746,16cyclictest0-21swapper/123:21:401
1479699737,17cyclictest0-21swapper/122:00:191
1479699736,59cyclictest0-21swapper/100:25:441
1479699736,17cyclictest0-21swapper/122:57:091
1479699735,29cyclictest0-21swapper/123:58:421
1479699735,27cyclictest0-21swapper/120:35:281
1479699733,9cyclictest14114-21taskset00:33:201
1479699727,18cyclictest0-21swapper/100:39:141
1479699726,18cyclictest0-21swapper/120:16:041
1479699726,18cyclictest0-21swapper/120:16:031
1479699726,18cyclictest0-21swapper/119:30:181
1479699725,17cyclictest0-21swapper/121:57:061
1479699725,15cyclictest0-21swapper/123:40:321
1479699725,14cyclictest0-21swapper/100:02:411
1479699718,16cyclictest0-21swapper/123:11:521
1479699717,19cyclictest0-21swapper/119:35:151
1479699717,18cyclictest0-21swapper/121:50:261
1479699716,17cyclictest0-21swapper/121:42:541
1479699715,18cyclictest0-21swapper/121:12:171
1479699708,18cyclictest0-21swapper/123:25:121
1479699707,19cyclictest0-21swapper/100:20:171
1479699707,17cyclictest0-21swapper/122:42:411
1479699706,18cyclictest0-21swapper/122:39:051
1479699706,17cyclictest0-21swapper/122:34:541
1479699706,17cyclictest0-21swapper/120:55:151
1479699706,14cyclictest0-21swapper/123:01:481
1479699705,18cyclictest0-21swapper/123:35:541
1479699704,11cyclictest10597-21munin-node23:30:231
14795997046,17cyclictest0-21swapper/022:36:550
14795997044,20cyclictest0-21swapper/022:18:180
14795997043,21cyclictest0-21swapper/022:44:280
1479699697,17cyclictest0-21swapper/121:00:191
1479699696,19cyclictest0-21swapper/120:00:171
1479699696,18cyclictest0-21swapper/122:45:351
1479699696,16cyclictest0-21swapper/121:30:161
1479699696,15cyclictest0-21swapper/121:20:251
1479699695,15cyclictest0-21swapper/123:45:111
1479699694,9cyclictest26088-21munin-node22:05:141
14796996923,38cyclictest16313-21munin-node20:40:291
14795996947,16cyclictest0-21swapper/023:39:110
1479699689,15cyclictest0-21swapper/122:10:201
1479699688,17cyclictest0-21swapper/100:18:081
1479699687,18cyclictest0-21swapper/122:20:231
1479699686,54cyclictest0-21swapper/119:20:011
1479699686,19cyclictest0-21swapper/123:06:281
1479699686,19cyclictest0-21swapper/121:45:151
1479699686,18cyclictest0-21swapper/120:45:121
1479699686,18cyclictest0-21swapper/119:45:231
1479699686,18cyclictest0-21swapper/100:12:581
1479699685,17cyclictest0-21swapper/120:50:161
14795996844,17cyclictest0-21swapper/023:22:050
1479699677,19cyclictest0-21swapper/121:05:191
1479699676,19cyclictest0-21swapper/120:10:141
1479699676,17cyclictest0-21swapper/120:06:261
1479699676,16cyclictest0-21swapper/120:30:221
1479699672,56cyclictest29995-21munin-node19:50:211
1479699672,56cyclictest29995-21munin-node19:50:201
1479599675,55cyclictest0-21swapper/000:39:210
14795996747,14cyclictest0-21swapper/021:57:520
14795996743,18cyclictest0-21swapper/021:40:220
14795996743,17cyclictest0-21swapper/020:57:580
1479699666,18cyclictest0-21swapper/119:20:151
1479699666,17cyclictest0-21swapper/119:41:121
1479699666,15cyclictest0-21swapper/120:21:341
14795996644,16cyclictest0-21swapper/023:47:350
14795996644,16cyclictest0-21swapper/022:25:140
216899650,3rtkit-daemon2167-21rtkit-daemon23:52:070
14796996516,39cyclictest0-21swapper/120:25:151
1479599656,45cyclictest0-21swapper/000:28:590
14795996547,13cyclictest0-21swapper/021:25:220
14795996545,14cyclictest0-21swapper/020:46:120
14795996544,15cyclictest0-21swapper/022:20:490
14795996544,15cyclictest0-21swapper/021:34:420
14795996544,15cyclictest0-21swapper/000:21:310
14795996542,17cyclictest0-21swapper/021:20:280
14795996537,21cyclictest0-21swapper/021:13:550
14795996534,24cyclictest0-21swapper/021:47:340
1479599646,40cyclictest0-21swapper/019:36:000
14795996443,15cyclictest0-21swapper/023:01:170
14795996441,17cyclictest0-21swapper/022:56:540
14795996441,17cyclictest0-21swapper/022:51:310
14795996438,19cyclictest0-21swapper/023:12:550
14795996343,15cyclictest0-21swapper/023:18:400
14795996343,13cyclictest0-21swapper/020:06:070
14795996340,16cyclictest0-21swapper/023:32:080
14795996336,21cyclictest0-21swapper/019:15:190
14795996335,22cyclictest0-21swapper/021:35:530
14795996241,15cyclictest0-21swapper/023:42:350
14795996241,15cyclictest0-21swapper/022:00:260
14795996241,15cyclictest0-21swapper/000:31:220
14795996240,16cyclictest0-21swapper/023:25:530
14795996240,16cyclictest0-21swapper/000:05:430
14795996239,16cyclictest0-21swapper/023:08:510
14795996238,17cyclictest0-21swapper/022:09:310
14795996237,19cyclictest0-21swapper/000:17:060
14795996236,20cyclictest0-21swapper/000:03:420
14795996139,15cyclictest0-21swapper/022:49:540
14795996028,17cyclictest0-21swapper/020:33:160
1479599594,36cyclictest0-21swapper/021:02:000
14795995938,15cyclictest0-21swapper/022:31:420
14795995922,25cyclictest0-21swapper/019:48:590
14795995734,17cyclictest0-21swapper/020:40:150
14795995731,20cyclictest0-21swapper/019:34:030
1479599564,37cyclictest0-21swapper/020:21:590
14795995628,16cyclictest0-21swapper/019:55:010
14795995628,16cyclictest0-21swapper/019:55:010
14795995625,25cyclictest0-21swapper/020:55:010
14795995610,40cyclictest0-21swapper/019:20:240
14795995535,14cyclictest0-21swapper/019:25:220
14795995533,16cyclictest0-21swapper/019:43:480
14795995511,18cyclictest0-21swapper/020:10:230
14795995432,16cyclictest0-21swapper/020:35:260
14795995429,16cyclictest0-21swapper/021:08:070
14795995410,37cyclictest0-21swapper/020:25:180
14795995326,15cyclictest0-21swapper/020:16:450
14795995326,15cyclictest0-21swapper/020:16:450
14795995129,16cyclictest0-21swapper/019:57:050
14795994930,14cyclictest0-21swapper/020:00:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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