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2025-11-30 - 02:07
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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 Sun Nov 30, 2025 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
986821014991,16sleep00-21swapper/019:07:420
1013199881762,108cyclictest0-21swapper/019:10:120
1013299496417,45cyclictest0-21swapper/119:45:231
1013199393315,54cyclictest0-21swapper/019:45:230
216899980,4rtkit-daemon2167-21rtkit-daemon22:31:051
103932970,3sleep110392-21ssh00:33:221
1013199954,8cyclictest26772-21ssh22:13:590
216899940,4rtkit-daemon2167-21rtkit-daemon21:48:090
216899940,3rtkit-daemon2167-21rtkit-daemon21:44:241
10131999430,58cyclictest0-21swapper/021:15:590
216899910,4rtkit-daemon2167-21rtkit-daemon20:29:581
216899900,4rtkit-daemon2167-21rtkit-daemon19:34:161
216899870,4rtkit-daemon2167-21rtkit-daemon22:19:591
10132998715,53cyclictest0-21swapper/119:59:581
10131998767,14cyclictest0-21swapper/023:53:590
216899860,4rtkit-daemon2167-21rtkit-daemon19:27:471
216899860,4rtkit-daemon2167-21rtkit-daemon00:09:561
216899850,4rtkit-daemon2167-21rtkit-daemon23:32:110
216899840,3rtkit-daemon2167-21rtkit-daemon23:34:461
154442840,3sleep041ktimersoftd/021:54:430
216899820,4rtkit-daemon2167-21rtkit-daemon23:40:420
216899820,4rtkit-daemon2167-21rtkit-daemon21:35:231
10131998213,52cyclictest0-21swapper/021:23:580
897528128,25sleep10-21swapper/119:05:201
216899810,4rtkit-daemon2167-21rtkit-daemon23:11:561
216899800,4rtkit-daemon2167-21rtkit-daemon22:30:300
216899800,4rtkit-daemon2167-21rtkit-daemon20:39:480
216899790,4rtkit-daemon2167-21rtkit-daemon23:57:261
1013199792,68cyclictest11480-21latency_hist23:40:010
216899780,4rtkit-daemon2167-21rtkit-daemon22:56:101
216899780,4rtkit-daemon2167-21rtkit-daemon22:04:490
216899780,4rtkit-daemon2167-21rtkit-daemon21:21:581
216899780,4rtkit-daemon2167-21rtkit-daemon00:11:520
216899770,5rtkit-daemon2167-21rtkit-daemon23:47:211
216899770,4rtkit-daemon2167-21rtkit-daemon23:55:460
216899770,4rtkit-daemon2167-21rtkit-daemon23:24:560
216899770,4rtkit-daemon2167-21rtkit-daemon23:16:401
216899770,4rtkit-daemon2167-21rtkit-daemon23:15:350
216899770,4rtkit-daemon2167-21rtkit-daemon22:59:510
216899770,4rtkit-daemon2167-21rtkit-daemon22:53:550
216899770,4rtkit-daemon2167-21rtkit-daemon22:41:551
216899770,4rtkit-daemon2167-21rtkit-daemon22:41:000
216899770,4rtkit-daemon2167-21rtkit-daemon22:37:050
216899770,4rtkit-daemon2167-21rtkit-daemon22:26:250
216899770,4rtkit-daemon2167-21rtkit-daemon22:17:050
216899770,4rtkit-daemon2167-21rtkit-daemon21:35:340
216899770,4rtkit-daemon2167-21rtkit-daemon21:31:441
216899770,4rtkit-daemon2167-21rtkit-daemon21:17:471
216899770,4rtkit-daemon2167-21rtkit-daemon20:46:280
216899770,4rtkit-daemon2167-21rtkit-daemon20:44:070
216899770,4rtkit-daemon2167-21rtkit-daemon20:16:420
216899770,4rtkit-daemon2167-21rtkit-daemon20:13:110
216899770,4rtkit-daemon2167-21rtkit-daemon20:11:461
216899770,4rtkit-daemon2167-21rtkit-daemon20:05:370
216899770,4rtkit-daemon2167-21rtkit-daemon19:56:470
216899770,4rtkit-daemon2167-21rtkit-daemon19:54:310
216899770,4rtkit-daemon2167-21rtkit-daemon19:40:110
216899770,4rtkit-daemon2167-21rtkit-daemon19:34:310
216899770,4rtkit-daemon2167-21rtkit-daemon19:22:560
216899770,4rtkit-daemon2167-21rtkit-daemon00:39:120
216899770,4rtkit-daemon2167-21rtkit-daemon00:35:121
216899770,4rtkit-daemon2167-21rtkit-daemon00:32:180
216899770,4rtkit-daemon2167-21rtkit-daemon00:21:220
216899770,4rtkit-daemon2167-21rtkit-daemon00:04:421
216899770,4rtkit-daemon2167-21rtkit-daemon00:00:120
216899770,10rtkit-daemon0-21swapper/019:36:571
216899760,4rtkit-daemon2167-21rtkit-daemon23:46:560
216899760,4rtkit-daemon2167-21rtkit-daemon23:26:400
216899760,4rtkit-daemon2167-21rtkit-daemon23:24:311
216899760,4rtkit-daemon2167-21rtkit-daemon23:11:510
216899760,4rtkit-daemon2167-21rtkit-daemon23:06:000
216899760,4rtkit-daemon2167-21rtkit-daemon23:00:110
216899760,4rtkit-daemon2167-21rtkit-daemon22:45:500
216899760,4rtkit-daemon2167-21rtkit-daemon22:26:491
216899760,4rtkit-daemon2167-21rtkit-daemon22:24:300
216899760,4rtkit-daemon2167-21rtkit-daemon22:07:290
216899760,4rtkit-daemon2167-21rtkit-daemon21:57:290
216899760,4rtkit-daemon2167-21rtkit-daemon21:41:540
216899760,4rtkit-daemon2167-21rtkit-daemon21:31:380
216899760,4rtkit-daemon2167-21rtkit-daemon21:25:240
216899760,4rtkit-daemon2167-21rtkit-daemon21:10:070
216899760,4rtkit-daemon2167-21rtkit-daemon21:06:530
216899760,4rtkit-daemon2167-21rtkit-daemon21:01:020
216899760,4rtkit-daemon2167-21rtkit-daemon20:55:230
216899760,4rtkit-daemon2167-21rtkit-daemon20:51:220
216899760,4rtkit-daemon2167-21rtkit-daemon20:32:120
216899760,4rtkit-daemon2167-21rtkit-daemon20:31:281
216899760,4rtkit-daemon2167-21rtkit-daemon20:27:030
216899760,4rtkit-daemon2167-21rtkit-daemon20:22:420
216899760,4rtkit-daemon2167-21rtkit-daemon20:15:021
216899760,4rtkit-daemon2167-21rtkit-daemon20:00:210
216899760,4rtkit-daemon2167-21rtkit-daemon19:35:420
216899760,4rtkit-daemon2167-21rtkit-daemon19:29:070
216899760,4rtkit-daemon2167-21rtkit-daemon19:18:221
216899760,4rtkit-daemon2167-21rtkit-daemon19:17:070
216899760,4rtkit-daemon2167-21rtkit-daemon00:25:410
216899760,4rtkit-daemon2167-21rtkit-daemon00:16:360
216899760,3rtkit-daemon2167-21rtkit-daemon00:06:410
10132997613,46cyclictest0-21swapper/120:43:591
216899750,4rtkit-daemon2167-21rtkit-daemon23:38:201
216899750,4rtkit-daemon2167-21rtkit-daemon00:13:021
216899750,3rtkit-daemon2167-21rtkit-daemon21:46:181
216899750,3rtkit-daemon2167-21rtkit-daemon00:29:321
216899740,4rtkit-daemon2167-21rtkit-daemon22:45:241
216899740,4rtkit-daemon2167-21rtkit-daemon21:12:431
216899740,4rtkit-daemon2167-21rtkit-daemon00:19:161
216899730,3rtkit-daemon2167-21rtkit-daemon20:08:221
216899720,3rtkit-daemon2167-21rtkit-daemon21:29:331
216899720,11rtkit-daemon0-21swapper/020:51:031
216899700,3rtkit-daemon23714-21ssh22:08:281
216899700,3rtkit-daemon2167-21rtkit-daemon22:14:351
216899700,11rtkit-daemon0-21swapper/020:48:421
216899690,4rtkit-daemon2167-21rtkit-daemon22:24:101
216899690,3rtkit-daemon3923-21ksmtuned00:21:271
216899690,3rtkit-daemon2167-21rtkit-daemon23:29:301
10132996917,29cyclictest0-21swapper/121:05:581
216899680,3rtkit-daemon2167-21rtkit-daemon22:03:541
10132996814,35cyclictest0-21swapper/123:50:591
216899670,3rtkit-daemon2167-21rtkit-daemon23:04:311
216899670,11rtkit-daemon0-21swapper/019:42:421
10132996718,30cyclictest0-21swapper/123:40:591
216899640,11rtkit-daemon0-21swapper/020:02:271
10132996417,33cyclictest0-21swapper/120:24:001
10132996414,34cyclictest0-21swapper/122:52:591
10132996413,35cyclictest0-21swapper/123:09:581
216899610,4rtkit-daemon2167-21rtkit-daemon22:38:191
10132996115,31cyclictest0-21swapper/119:13:581
10132996114,31cyclictest0-21swapper/119:22:581
216899600,4rtkit-daemon2167-21rtkit-daemon21:51:391
10132996013,32cyclictest0-21swapper/121:55:591
216899590,11rtkit-daemon0-21swapper/021:04:431
216899580,11rtkit-daemon0-21swapper/020:56:521
1013299578,41cyclictest0-21swapper/120:35:241
216899540,3rtkit-daemon24698-21munin-node19:50:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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