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2025-11-20 - 19:34
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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 all highest latencies:
System rack1slot8.osadl.org (updated Thu Nov 20, 2025 12:43:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
81899828786,11cyclictest4720-21ssh12:38:070
81999771731,25cyclictest0-21swapper/112:38:081
81899504432,45cyclictest0-21swapper/007:12:350
81999449376,41cyclictest0-21swapper/107:12:341
839621570,12sleep181999cyclictest07:30:121
819999713,63cyclictest0-21swapper/109:56:581
818999072,14cyclictest0-21swapper/012:35:000
81999829,58cyclictest0-21swapper/108:55:591
818997910,64cyclictest0-21swapper/010:50:590
216899780,4rtkit-daemon2167-21rtkit-daemon12:30:091
211342780,14sleep00-21swapper/009:25:030
819997720,37cyclictest0-21swapper/112:10:581
81999765,50cyclictest0-21swapper/111:45:591
216899740,4rtkit-daemon2167-21rtkit-daemon09:54:371
81999734,50cyclictest12057-21ssh10:03:591
42427333,27sleep10-21swapper/107:06:371
216899710,3rtkit-daemon2167-21rtkit-daemon10:25:411
216899710,3rtkit-daemon2167-21rtkit-daemon07:27:241
819997014,39cyclictest0-21swapper/109:04:581
216899700,4rtkit-daemon2167-21rtkit-daemon08:40:441
216899700,4rtkit-daemon2167-21rtkit-daemon08:20:341
216899700,4rtkit-daemon2167-21rtkit-daemon07:46:551
819996913,37cyclictest0-21swapper/107:52:591
216899690,3rtkit-daemon2167-21rtkit-daemon11:31:281
216899690,3rtkit-daemon2167-21rtkit-daemon07:18:241
819996812,39cyclictest0-21swapper/112:08:001
818996838,24cyclictest0-21swapper/010:40:190
818996812,50cyclictest0-21swapper/011:06:590
216899680,4rtkit-daemon2167-21rtkit-daemon09:33:311
216899680,4rtkit-daemon2167-21rtkit-daemon09:33:301
216899680,4rtkit-daemon2167-21rtkit-daemon07:41:091
216899680,3rtkit-daemon2167-21rtkit-daemon09:39:501
216899680,3rtkit-daemon2167-21rtkit-daemon08:54:151
216899680,3rtkit-daemon2167-21rtkit-daemon08:12:491
818996713,49cyclictest0-21swapper/011:52:000
3255326729,26sleep00-21swapper/007:05:230
216899670,9rtkit-daemon0-21swapper/010:14:010
216899670,4rtkit-daemon2167-21rtkit-daemon11:22:571
216899670,3rtkit-daemon2167-21rtkit-daemon12:29:001
216899670,3rtkit-daemon2167-21rtkit-daemon09:42:061
216899670,3rtkit-daemon2167-21rtkit-daemon08:04:591
819996613,33cyclictest0-21swapper/109:11:581
818996612,49cyclictest0-21swapper/011:28:580
818996612,47cyclictest0-21swapper/007:18:590
819996515,34cyclictest0-21swapper/112:20:581
819996513,35cyclictest0-21swapper/108:29:591
81899658,36cyclictest0-21swapper/009:10:180
818996532,26cyclictest0-21swapper/011:30:300
818996524,32cyclictest0-21swapper/010:35:010
818996511,47cyclictest0-21swapper/010:02:580
819996414,34cyclictest0-21swapper/110:11:581
819996413,35cyclictest0-21swapper/109:24:591
819996413,33cyclictest0-21swapper/108:16:001
819996410,34cyclictest0-21swapper/108:45:591
818996433,25cyclictest0-21swapper/010:57:130
818996420,28cyclictest0-21swapper/010:28:070
818996418,31cyclictest9475-21latency_hist10:00:010
818996413,33cyclictest0-21swapper/012:00:280
81899635,51cyclictest0-21swapper/009:35:020
81899635,51cyclictest0-21swapper/009:35:010
818996334,22cyclictest0-21swapper/008:15:550
818996321,36cyclictest0-21swapper/010:47:010
818996312,35cyclictest0-21swapper/012:10:170
216899630,8rtkit-daemon0-21swapper/009:37:360
216899630,8rtkit-daemon0-21swapper/007:21:140
216899630,7rtkit-daemon0-21swapper/009:44:060
216899630,3rtkit-daemon2167-21rtkit-daemon10:34:461
216899630,3rtkit-daemon2167-21rtkit-daemon08:37:551
819996216,28cyclictest0-21swapper/111:35:591
819996215,32cyclictest0-21swapper/110:05:581
819996214,33cyclictest0-21swapper/109:16:591
819996214,30cyclictest0-21swapper/111:41:581
819996213,33cyclictest0-21swapper/111:52:581
819996213,32cyclictest0-21swapper/109:25:591
81899626,49cyclictest0-21swapper/011:42:170
818996235,16cyclictest0-21swapper/009:46:100
216899620,9rtkit-daemon0-21swapper/011:36:530
216899620,9rtkit-daemon0-21swapper/007:59:540
216899620,8rtkit-daemon0-21swapper/009:22:460
216899620,8rtkit-daemon0-21swapper/009:17:550
216899620,8rtkit-daemon0-21swapper/009:09:150
216899620,8rtkit-daemon0-21swapper/008:49:050
216899620,8rtkit-daemon0-21swapper/008:21:300
216899620,7rtkit-daemon0-21swapper/011:59:330
216899620,7rtkit-daemon0-21swapper/007:53:450
216899620,7rtkit-daemon0-21swapper/007:48:590
216899620,6rtkit-daemon0-21swapper/008:06:240
216899620,3rtkit-daemon817-21cyclictest10:22:310
819996115,33cyclictest0-21swapper/110:37:581
819996111,34cyclictest0-21swapper/110:49:591
81899616,36cyclictest0-21swapper/012:25:010
818996138,17cyclictest0-21swapper/011:20:280
216899610,9rtkit-daemon0-21swapper/012:19:240
216899610,9rtkit-daemon0-21swapper/009:50:010
216899610,9rtkit-daemon0-21swapper/007:35:040
216899610,8rtkit-daemon0-21swapper/011:01:070
216899610,8rtkit-daemon0-21swapper/007:32:300
216899610,7rtkit-daemon0-21swapper/010:06:070
216899610,7rtkit-daemon0-21swapper/008:57:000
216899610,7rtkit-daemon0-21swapper/008:31:550
216899610,7rtkit-daemon0-21swapper/007:41:500
216899610,6rtkit-daemon0-21swapper/008:00:500
216899610,3rtkit-daemon2167-21rtkit-daemon10:41:121
216899610,11rtkit-daemon0-21swapper/008:25:490
216899610,11rtkit-daemon0-21swapper/008:10:500
216899610,10rtkit-daemon0-21swapper/010:36:370
81999607,35cyclictest0-21swapper/107:56:011
819996017,29cyclictest0-21swapper/111:13:591
819996013,33cyclictest0-21swapper/108:08:001
819996013,31cyclictest0-21swapper/111:16:591
819996013,31cyclictest0-21swapper/111:16:581
819996012,32cyclictest0-21swapper/107:22:591
818996029,24cyclictest0-21swapper/010:15:270
216899600,9rtkit-daemon0-21swapper/011:49:330
216899600,7rtkit-daemon0-21swapper/008:36:390
216899600,6rtkit-daemon0-21swapper/008:44:150
216899600,6rtkit-daemon0-21swapper/007:26:330
216899600,10rtkit-daemon0-21swapper/012:09:030
819995915,28cyclictest0-21swapper/109:46:581
81899596,37cyclictest0-21swapper/011:15:010
818995926,16cyclictest0-21swapper/009:05:020
216899590,8rtkit-daemon0-21swapper/011:15:380
216899590,8rtkit-daemon0-21swapper/011:15:370
216899590,6rtkit-daemon0-21swapper/012:24:250
819995814,29cyclictest0-21swapper/111:06:591
819995810,32cyclictest0-21swapper/108:34:581
81899575,32cyclictest0-21swapper/008:55:020
819995633,11cyclictest28576-21ssh11:26:591
819995513,28cyclictest0-21swapper/110:15:591
819995510,33cyclictest0-21swapper/107:37:001
819995413,31cyclictest0-21swapper/110:51:581
81999535,40cyclictest0-21swapper/111:02:481
819995311,29cyclictest0-21swapper/111:55:591
819995212,31cyclictest0-21swapper/109:08:001
819995211,31cyclictest0-21swapper/112:19:591
819995013,29cyclictest0-21swapper/112:02:581
819995011,30cyclictest0-21swapper/110:58:591
819994711,26cyclictest0-21swapper/110:22:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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