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2025-11-25 - 18:16
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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 Tue Nov 25, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2910021014988,17sleep00-21swapper/007:09:500
2916099884806,40cyclictest10112-21ssh09:13:070
2916199832789,28cyclictest0-21swapper/109:13:071
29160995364,505cyclictest0-21swapper/007:10:080
2916199489428,46cyclictest0-21swapper/107:10:081
216899830,4rtkit-daemon2167-21rtkit-daemon11:54:481
216899800,4rtkit-daemon2167-21rtkit-daemon11:34:171
216899750,4rtkit-daemon2167-21rtkit-daemon11:56:171
2883427335,26sleep10-21swapper/107:07:071
29160997044,21cyclictest0-21swapper/010:23:260
29160997034,30cyclictest25416-21munin-node12:25:180
29160996931,33cyclictest1427-21runrttasks08:50:150
29160996931,32cyclictest0-21swapper/010:31:130
29160996832,9cyclictest6966-21ssh10:00:290
29160996832,31cyclictest29151-21aten2.4-expect10:40:130
29160996831,10cyclictest17720-21ssh09:25:200
29160996829,15cyclictest28216-21ssh09:42:380
29160996732,29cyclictest2241-21munin-node11:45:290
29160996728,34cyclictest16589-21latency_hist12:10:020
29160996727,18cyclictest10051-21ssh11:01:450
29160996726,17cyclictest31368-21ssh11:39:500
29160996725,36cyclictest5740-21ssh10:55:160
29160996637,23cyclictest0-21swapper/012:15:240
29160996635,26cyclictest0-21swapper/010:46:560
29160996630,10cyclictest2580-21ssh09:55:000
29160996628,31cyclictest29221-21runrttasks09:45:130
29160996626,35cyclictest8554-21wc11:55:180
29160996623,30cyclictest24198-21sh12:21:460
29160996546,10cyclictest20522-21df_inode09:30:160
29160996546,10cyclictest20522-21df_inode09:30:150
29160996534,10cyclictest11567-21munin-node10:10:120
29160996530,11cyclictest29333-21idleruntime-cro08:40:000
29160996530,11cyclictest13878-21munin-run09:20:000
29160996528,9cyclictest17552-21ssh12:10:220
29160996528,24cyclictest5037-21ssh09:58:370
29160996526,16cyclictest10531-21ssh10:07:270
29160996525,15cyclictest1135-21ssh12:38:430
29160996521,38cyclictest0-21swapper/009:20:070
29160996443,16cyclictest0-21swapper/007:46:030
29160996432,26cyclictest11834-21munin-node12:00:250
29160996432,23cyclictest391-21yum11:40:280
29160996430,28cyclictest4417-21munin-node09:00:140
29160996428,15cyclictest22981-21crond10:30:010
29160996427,22cyclictest18815-21ssh11:16:550
29160996427,16cyclictest16592-21ssh11:14:010
29160996426,33cyclictest6914-21netstat09:05:200
29160996426,24cyclictest4621-21ssh10:53:050
29160996426,23cyclictest27451-21ssh10:35:460
29160996426,14cyclictest24268-21ssh11:25:470
29160996425,24cyclictest31698-21cat07:15:220
29160996425,17cyclictest29605-21ssh12:30:350
2916199635,51cyclictest0-21swapper/107:51:031
29160996331,24cyclictest19821-21latency_hist11:20:000
29160996325,15cyclictest27137-21ssh11:30:410
29160996324,15cyclictest5927-21latency_hist07:35:010
2916199625,42cyclictest0-21swapper/112:03:001
29160996237,17cyclictest0-21swapper/007:57:230
29160996232,9cyclictest15529-21timerandwakeup10:15:270
29160996226,14cyclictest25150-21ssh09:37:280
29160996221,35cyclictest0-21swapper/011:52:280
216899620,3rtkit-daemon15733-21ssh09:21:341
29160996147,9cyclictest1189-21missed_timers07:20:180
29160996127,10cyclictest4067-21munin-run07:30:010
29160996127,10cyclictest4067-21munin-run07:30:000
29160996121,34cyclictest11608-21df_abs11:05:160
2916199606,43cyclictest0-21swapper/108:23:591
29160996026,29cyclictest12786-21runrttasks07:52:050
29160996019,36cyclictest0-21swapper/008:42:260
2916199595,41cyclictest0-21swapper/108:17:591
29160995928,9cyclictest18509-21idleruntime-cro08:10:000
29160995928,26cyclictest15493-21sort08:00:200
29160995928,25cyclictest22557-21df_abs08:20:170
29160995926,10cyclictest20308-21idleruntime-cro08:15:010
216899590,4rtkit-daemon2167-21rtkit-daemon10:12:191
29160995822,30cyclictest0-21swapper/007:40:180
29160995822,28cyclictest0-21swapper/007:38:040
216899580,4rtkit-daemon2167-21rtkit-daemon09:59:451
216899580,4rtkit-daemon2167-21rtkit-daemon09:44:241
29160995729,9cyclictest20469-21munin-node08:15:230
216899570,5rtkit-daemon2167-21rtkit-daemon10:07:351
216899570,4rtkit-daemon2167-21rtkit-daemon11:22:171
216899570,4rtkit-daemon2167-21rtkit-daemon09:28:141
2916199564,38cyclictest0-21swapper/111:18:581
2916099567,43cyclictest0-21swapper/008:30:170
29160995637,10cyclictest24079-21munin-node08:25:250
29160995626,10cyclictest31285-21munin-node08:45:130
216899560,4rtkit-daemon2167-21rtkit-daemon11:49:211
216899560,4rtkit-daemon2167-21rtkit-daemon10:20:501
29160995527,9cyclictest3126-21iostat08:55:170
216899550,4rtkit-daemon2167-21rtkit-daemon11:05:201
216899550,4rtkit-daemon2167-21rtkit-daemon08:10:231
216899550,3rtkit-daemon2167-21rtkit-daemon07:49:511
216899540,7rtkit-daemon0-21swapper/110:18:401
216899540,4rtkit-daemon2167-21rtkit-daemon11:37:111
216899540,4rtkit-daemon2167-21rtkit-daemon10:04:001
2916199524,42cyclictest0-21swapper/111:29:261
216899520,5rtkit-daemon2167-21rtkit-daemon12:15:221
216899520,5rtkit-daemon2167-21rtkit-daemon09:32:191
216899520,5rtkit-daemon2167-21rtkit-daemon09:32:191
81092514,12sleep10-21swapper/110:59:481
216899510,5rtkit-daemon2167-21rtkit-daemon08:55:171
205122515,16sleep10-21swapper/110:25:151
74512504,12sleep10-21swapper/107:37:531
216899500,5rtkit-daemon2167-21rtkit-daemon12:20:281
216899500,5rtkit-daemon2167-21rtkit-daemon10:49:261
216899500,4rtkit-daemon2167-21rtkit-daemon10:42:111
216899500,4rtkit-daemon2167-21rtkit-daemon09:35:191
216899500,4rtkit-daemon2167-21rtkit-daemon08:30:181
2916199495,38cyclictest0-21swapper/111:11:301
216899490,4rtkit-daemon2167-21rtkit-daemon11:42:321
216899490,4rtkit-daemon2167-21rtkit-daemon07:40:271
216899490,4rtkit-daemon2167-21rtkit-daemon07:25:221
216899490,4rtkit-daemon2167-21rtkit-daemon07:25:211
2916199485,37cyclictest0-21swapper/109:52:031
2916199484,38cyclictest0-21swapper/108:51:031
216899480,5rtkit-daemon2167-21rtkit-daemon12:29:321
216899480,5rtkit-daemon2167-21rtkit-daemon11:04:411
216899480,5rtkit-daemon2167-21rtkit-daemon10:35:061
216899480,4rtkit-daemon2167-21rtkit-daemon10:52:061
216899480,4rtkit-daemon2167-21rtkit-daemon10:32:561
216899480,4rtkit-daemon2167-21rtkit-daemon08:45:221
216899480,4rtkit-daemon2167-21rtkit-daemon08:37:071
2916199474,37cyclictest0-21swapper/112:05:321
216899470,5rtkit-daemon2167-21rtkit-daemon12:31:531
216899470,5rtkit-daemon2167-21rtkit-daemon09:46:091
216899470,5rtkit-daemon2167-21rtkit-daemon08:29:021
216899470,4rtkit-daemon2167-21rtkit-daemon08:40:181
216899470,4rtkit-daemon2167-21rtkit-daemon08:00:181
216899470,4rtkit-daemon2167-21rtkit-daemon07:55:111
216899470,4rtkit-daemon2167-21rtkit-daemon07:22:561
216899470,4rtkit-daemon2167-21rtkit-daemon07:15:171
2916199465,34cyclictest0-21swapper/108:05:221
2916199465,26cyclictest0-21swapper/109:17:451
216899460,4rtkit-daemon2167-21rtkit-daemon12:36:131
216899460,4rtkit-daemon2167-21rtkit-daemon09:04:591
2916199446,26cyclictest0-21swapper/112:13:591
2916199445,27cyclictest0-21swapper/107:32:001
2916199434,34cyclictest0-21swapper/109:08:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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