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2025-11-28 - 17:54
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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 376 highest latencies:
System rack1slot8.osadl.org (updated Fri Nov 28, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1616899859804,39cyclictest0-21swapper/108:18:371
158352858835,16sleep10-21swapper/107:07:031
1616799797744,44cyclictest0-21swapper/008:18:360
158072568544,16sleep00-21swapper/007:06:440
1616899386344,27cyclictest0-21swapper/107:10:141
1616799354280,38cyclictest16559-21df07:10:150
2168991030,4rtkit-daemon2167-21rtkit-daemon12:20:161
216899950,4rtkit-daemon2167-21rtkit-daemon07:25:461
216899940,4rtkit-daemon2167-21rtkit-daemon08:50:371
16167999313,64cyclictest0-21swapper/010:04:590
216899860,9rtkit-daemon0-21swapper/110:08:291
1616799866,18cyclictest0-21swapper/011:49:560
16167998620,8cyclictest78950irq/46-eth0-tx-12:35:140
216899850,20rtkit-daemon0-21swapper/109:42:481
16167998412,53cyclictest0-21swapper/007:48:000
216899830,9rtkit-daemon0-21swapper/111:10:411
216899830,8rtkit-daemon0-21swapper/112:13:161
16167998312,11cyclictest0-21swapper/009:17:560
216899820,9rtkit-daemon0-21swapper/110:39:091
1616799825,16cyclictest0-21swapper/008:45:020
216899810,8rtkit-daemon0-21swapper/110:22:401
216899810,7rtkit-daemon0-21swapper/107:32:561
1616799815,58cyclictest0-21swapper/009:25:010
16167998113,60cyclictest0-21swapper/010:06:590
216899800,9rtkit-daemon0-21swapper/111:55:311
216899800,9rtkit-daemon0-21swapper/111:28:101
216899800,9rtkit-daemon0-21swapper/107:56:331
216899800,9rtkit-daemon0-21swapper/107:47:471
216899800,8rtkit-daemon0-21swapper/111:47:061
216899800,7rtkit-daemon0-21swapper/110:27:541
216899800,7rtkit-daemon0-21swapper/108:24:221
1616799806,56cyclictest0-21swapper/009:45:010
216899790,9rtkit-daemon0-21swapper/108:35:421
216899790,9rtkit-daemon0-21swapper/108:26:131
216899790,9rtkit-daemon0-21swapper/107:36:311
216899790,8rtkit-daemon0-21swapper/112:30:581
216899790,8rtkit-daemon0-21swapper/112:29:561
216899790,8rtkit-daemon0-21swapper/109:58:581
216899790,7rtkit-daemon0-21swapper/111:17:251
216899790,7rtkit-daemon0-21swapper/109:18:281
216899790,7rtkit-daemon0-21swapper/109:09:321
216899790,7rtkit-daemon0-21swapper/108:30:421
216899790,11rtkit-daemon0-21swapper/112:05:361
216899790,10rtkit-daemon0-21swapper/108:10:171
1616799797,19cyclictest0-21swapper/009:00:010
1616799797,16cyclictest0-21swapper/009:30:290
1616799795,17cyclictest0-21swapper/011:28:560
1616799795,16cyclictest0-21swapper/011:32:440
1616799795,16cyclictest0-21swapper/009:05:190
1616799795,15cyclictest0-21swapper/007:35:020
16167997915,13cyclictest0-21swapper/010:23:270
216899780,9rtkit-daemon0-21swapper/110:42:201
216899780,9rtkit-daemon0-21swapper/108:05:371
216899780,8rtkit-daemon0-21swapper/112:37:421
216899780,8rtkit-daemon0-21swapper/111:02:411
216899780,8rtkit-daemon0-21swapper/109:23:131
216899780,8rtkit-daemon0-21swapper/107:52:221
216899780,8rtkit-daemon0-21swapper/107:19:461
216899780,7rtkit-daemon0-21swapper/110:46:541
1616799786,17cyclictest0-21swapper/012:00:230
1616799785,16cyclictest0-21swapper/007:15:240
216899770,9rtkit-daemon0-21swapper/108:42:521
216899770,4rtkit-daemon2167-21rtkit-daemon10:47:590
216899770,3rtkit-daemon2167-21rtkit-daemon09:31:531
1616799776,18cyclictest0-21swapper/012:20:380
1616799776,17cyclictest0-21swapper/010:40:200
1616799772,7cyclictest27181-21diskmemload11:05:480
16167997719,7cyclictest78950irq/46-eth0-tx-11:22:490
16167997713,57cyclictest3187-21ssh10:15:580
216899760,3rtkit-daemon2167-21rtkit-daemon10:19:191
216899760,3rtkit-daemon2167-21rtkit-daemon09:52:330
216899760,3rtkit-daemon2167-21rtkit-daemon09:35:590
216899760,3rtkit-daemon2167-21rtkit-daemon07:20:570
216899760,12rtkit-daemon0-21swapper/111:33:401
1616799765,23cyclictest0-21swapper/010:35:300
16167997613,15cyclictest0-21swapper/010:34:340
216899750,3rtkit-daemon2167-21rtkit-daemon12:08:020
216899750,3rtkit-daemon2167-21rtkit-daemon08:41:030
216899750,3rtkit-daemon2167-21rtkit-daemon07:42:520
216899750,13rtkit-daemon0-21swapper/111:05:301
216899750,12rtkit-daemon0-21swapper/109:10:531
1616799759,59cyclictest0-21swapper/008:38:590
1616799757,16cyclictest0-21swapper/009:29:340
1616799757,16cyclictest0-21swapper/009:01:460
1616799757,16cyclictest0-21swapper/009:01:450
1616799756,19cyclictest0-21swapper/010:55:110
1616799756,18cyclictest0-21swapper/007:50:150
1616799756,16cyclictest0-21swapper/009:11:590
1616799755,59cyclictest0-21swapper/012:12:280
1616799755,25cyclictest0-21swapper/012:18:120
1616799755,24cyclictest0-21swapper/009:45:330
1616799755,21cyclictest0-21swapper/009:55:210
1616799755,17cyclictest0-21swapper/012:32:420
1616799755,17cyclictest0-21swapper/012:25:190
1616799755,13cyclictest0-21swapper/011:56:570
1616799753,63cyclictest16527-21munin-node11:35:130
1616799752,19cyclictest12734-21latency_hist08:30:010
216899740,9rtkit-daemon0-21swapper/107:43:161
216899740,4rtkit-daemon2167-21rtkit-daemon12:02:161
216899740,3rtkit-daemon2167-21rtkit-daemon07:56:220
216899740,3rtkit-daemon2167-21rtkit-daemon07:38:410
216899740,11rtkit-daemon0-21swapper/107:21:361
1616799746,19cyclictest0-21swapper/011:10:250
1616799746,17cyclictest0-21swapper/011:15:140
1616799746,17cyclictest0-21swapper/010:10:190
1616799745,17cyclictest0-21swapper/008:20:150
1616799745,16cyclictest0-21swapper/011:52:500
1616799745,16cyclictest0-21swapper/011:40:490
16167997417,13cyclictest0-21swapper/010:53:360
16167997414,14cyclictest0-21swapper/011:00:190
216899730,13rtkit-daemon0-21swapper/109:01:021
216899730,13rtkit-daemon0-21swapper/109:01:021
216899730,12rtkit-daemon0-21swapper/108:56:121
1616799735,16cyclictest0-21swapper/008:05:010
16167997313,13cyclictest0-21swapper/010:28:110
16167997312,46cyclictest0-21swapper/008:33:590
216899720,13rtkit-daemon0-21swapper/111:37:201
216899720,13rtkit-daemon0-21swapper/108:47:321
1616799726,20cyclictest0-21swapper/008:06:540
216899710,11rtkit-daemon0-21swapper/110:13:501
216899710,11rtkit-daemon0-21swapper/109:29:231
1616799716,17cyclictest0-21swapper/007:25:210
1616799715,15cyclictest0-21swapper/008:50:120
216899700,4rtkit-daemon2167-21rtkit-daemon11:51:411
216899700,4rtkit-daemon2167-21rtkit-daemon10:04:451
216899700,4rtkit-daemon2167-21rtkit-daemon09:36:231
216899700,12rtkit-daemon0-21swapper/110:31:301
1616799706,57cyclictest0-21swapper/008:10:250
216899690,9rtkit-daemon0-21swapper/109:51:131
216899690,3rtkit-daemon2167-21rtkit-daemon10:57:401
216899680,7rtkit-daemon0-21swapper/111:44:261
216899680,3rtkit-daemon2167-21rtkit-daemon11:20:561
216899680,29rtkit-daemon2167-21rtkit-daemon09:46:131
216899670,4rtkit-daemon2167-21rtkit-daemon12:17:361
216899660,4rtkit-daemon2167-21rtkit-daemon08:01:171
216899640,25rtkit-daemon2167-21rtkit-daemon10:52:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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