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2024-11-21 - 16:38
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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 100 highest latencies:
System rack1slot8.osadl.org (updated Thu Nov 21, 2024 12:43:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291999827768,48cyclictest0-21swapper/109:15:041
26612786768,12sleep10-21swapper/107:07:471
26612786768,12sleep10-21swapper/107:07:471
291999434379,17cyclictest3724-21strings07:10:201
291899376300,69cyclictest0-21swapper/007:10:190
1729221250,4sleep117293-21sh12:01:161
2918991119,96cyclictest0-21swapper/010:01:000
29189911185,19cyclictest0-21swapper/007:46:590
2168991030,4rtkit-daemon2167-21rtkit-daemon12:24:261
2168991010,4rtkit-daemon2167-21rtkit-daemon10:36:041
2168991000,4rtkit-daemon2167-21rtkit-daemon10:53:091
2919999813,70cyclictest0-21swapper/109:57:001
216899970,4rtkit-daemon2167-21rtkit-daemon10:32:041
216899960,4rtkit-daemon2167-21rtkit-daemon11:53:511
216899960,4rtkit-daemon2167-21rtkit-daemon10:21:541
216899960,4rtkit-daemon2167-21rtkit-daemon09:12:521
216899960,4rtkit-daemon2167-21rtkit-daemon08:20:011
216899960,3rtkit-daemon2167-21rtkit-daemon11:47:311
216899950,4rtkit-daemon2167-21rtkit-daemon08:47:521
216899950,4rtkit-daemon2167-21rtkit-daemon08:32:371
2918999474,14cyclictest0-21swapper/010:32:580
216899940,4rtkit-daemon2167-21rtkit-daemon12:05:411
216899940,4rtkit-daemon2167-21rtkit-daemon07:47:161
216899930,4rtkit-daemon2167-21rtkit-daemon09:21:471
216899920,4rtkit-daemon2167-21rtkit-daemon10:40:491
216899920,4rtkit-daemon2167-21rtkit-daemon09:26:421
216899920,4rtkit-daemon2167-21rtkit-daemon08:10:511
2918999171,14cyclictest0-21swapper/011:33:590
216899900,4rtkit-daemon2167-21rtkit-daemon07:23:461
2919998914,58cyclictest0-21swapper/108:09:591
2918998924,41cyclictest0-21swapper/011:13:000
216899890,7rtkit-daemon2167-21rtkit-daemon07:05:100
216899890,7rtkit-daemon2167-21rtkit-daemon07:05:100
2918998869,14cyclictest0-21swapper/010:55:590
216899880,4rtkit-daemon2167-21rtkit-daemon12:16:561
216899880,3rtkit-daemon2167-21rtkit-daemon10:17:191
216899880,3rtkit-daemon2167-21rtkit-daemon08:18:011
216899870,4rtkit-daemon2167-21rtkit-daemon12:25:411
216899870,4rtkit-daemon2167-21rtkit-daemon08:57:221
216899870,4rtkit-daemon2167-21rtkit-daemon08:41:021
216899870,4rtkit-daemon2167-21rtkit-daemon08:03:061
216899870,3rtkit-daemon2167-21rtkit-daemon08:26:411
216899870,3rtkit-daemon2167-21rtkit-daemon07:59:110
216899860,4rtkit-daemon2167-21rtkit-daemon08:52:471
216899860,4rtkit-daemon2167-21rtkit-daemon07:42:461
216899860,3rtkit-daemon2167-21rtkit-daemon07:52:261
216899860,3rtkit-daemon2167-21rtkit-daemon07:36:011
216899860,3rtkit-daemon2167-21rtkit-daemon07:36:011
2918998571,8cyclictest0-21swapper/012:01:000
216899850,4rtkit-daemon2167-21rtkit-daemon11:16:051
216899850,4rtkit-daemon2167-21rtkit-daemon10:26:441
216899850,4rtkit-daemon2167-21rtkit-daemon09:45:031
216899850,4rtkit-daemon2167-21rtkit-daemon09:45:031
216899850,4rtkit-daemon2167-21rtkit-daemon08:35:421
216899850,4rtkit-daemon2167-21rtkit-daemon07:56:111
216899850,4rtkit-daemon2167-21rtkit-daemon07:17:271
216899850,4rtkit-daemon2167-21rtkit-daemon07:17:261
216899840,3rtkit-daemon2167-21rtkit-daemon11:07:551
216899840,3rtkit-daemon2167-21rtkit-daemon09:06:071
2918998358,9cyclictest32704-21ssh12:29:580
2918998227,39cyclictest0-21swapper/007:18:590
2918998227,39cyclictest0-21swapper/007:18:590
216899820,4rtkit-daemon2167-21rtkit-daemon11:03:251
216899820,4rtkit-daemon2167-21rtkit-daemon11:03:251
216899820,3rtkit-daemon2167-21rtkit-daemon07:25:571
216899810,4rtkit-daemon2167-21rtkit-daemon09:52:531
216899790,5rtkit-daemon2167-21rtkit-daemon09:32:540
216899790,4rtkit-daemon2167-21rtkit-daemon12:35:221
216899790,4rtkit-daemon2167-21rtkit-daemon09:26:220
216899790,3rtkit-daemon2167-21rtkit-daemon08:19:060
216899780,4rtkit-daemon2167-21rtkit-daemon11:40:451
216899780,4rtkit-daemon2167-21rtkit-daemon11:36:300
216899780,4rtkit-daemon2167-21rtkit-daemon10:27:450
216899780,4rtkit-daemon2167-21rtkit-daemon10:14:041
216899780,4rtkit-daemon2167-21rtkit-daemon10:06:540
216899780,4rtkit-daemon2167-21rtkit-daemon09:50:280
216899780,4rtkit-daemon2167-21rtkit-daemon09:42:431
216899780,4rtkit-daemon2167-21rtkit-daemon09:42:240
291999778,54cyclictest0-21swapper/111:23:581
216899770,4rtkit-daemon2167-21rtkit-daemon12:10:070
216899770,4rtkit-daemon2167-21rtkit-daemon11:55:211
216899770,4rtkit-daemon2167-21rtkit-daemon11:53:470
216899770,4rtkit-daemon2167-21rtkit-daemon11:46:000
216899770,4rtkit-daemon2167-21rtkit-daemon11:36:551
216899770,4rtkit-daemon2167-21rtkit-daemon11:34:101
216899770,4rtkit-daemon2167-21rtkit-daemon11:25:500
216899770,4rtkit-daemon2167-21rtkit-daemon11:18:550
216899770,4rtkit-daemon2167-21rtkit-daemon11:10:401
216899770,4rtkit-daemon2167-21rtkit-daemon11:07:300
216899770,4rtkit-daemon2167-21rtkit-daemon10:52:190
216899770,4rtkit-daemon2167-21rtkit-daemon10:47:391
216899770,4rtkit-daemon2167-21rtkit-daemon10:41:040
216899770,4rtkit-daemon2167-21rtkit-daemon10:37:250
216899770,4rtkit-daemon2167-21rtkit-daemon10:13:180
216899770,4rtkit-daemon2167-21rtkit-daemon10:06:581
216899770,4rtkit-daemon2167-21rtkit-daemon10:04:581
216899770,4rtkit-daemon2167-21rtkit-daemon09:55:190
216899770,4rtkit-daemon2167-21rtkit-daemon09:46:140
216899770,4rtkit-daemon2167-21rtkit-daemon09:46:130
216899770,4rtkit-daemon2167-21rtkit-daemon09:38:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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