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2026-05-12 - 23:01

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

Rack #0/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #1/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #2/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #3/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #4/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #5/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #6/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #7/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #8/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #9/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #a/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #b/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #c/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #d/#0 #1 #2 #3 #4 #5 #6 #7 #8 -
Rack #e/#0 #1 #2 #3 #4 #5 #6 #7 #8 - Rack #f/#0 #1 #2 #3 #4 #5 #6 #7 #8 
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  Intel
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Tue May 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2238121070,4sleep11479399cyclictest07:56:291
2238121070,4sleep11479399cyclictest07:56:291
14794991003,13cyclictest7177-21kworker/2:210:08:582
248599960,9rtkit-daemon0-21swapper/309:50:053
1479499954,25cyclictest22997-21ssh07:58:422
1479499954,25cyclictest22997-21ssh07:58:422
1479499944,27cyclictest0-21swapper/207:08:562
14794999426,61cyclictest12676-21processes08:29:112
1479499934,68cyclictest0-21swapper/209:52:502
1479499934,26cyclictest0-21swapper/209:27:352
1479499934,26cyclictest0-21swapper/207:38:572
1479499934,25cyclictest0-21swapper/208:18:432
14794999318,12cyclictest0-21swapper/206:19:152
1479499924,27cyclictest0-21swapper/209:03:522
1479499924,26cyclictest0-21swapper/204:53:222
1479499924,25cyclictest0-21swapper/208:54:132
1479499923,25cyclictest0-21swapper/207:28:432
14794999220,8cyclictest24330-21munin-run05:08:482
14794999220,8cyclictest24330-21munin-run05:08:482
1479499914,27cyclictest0-21swapper/210:03:572
1479499914,25cyclictest0-21swapper/207:43:482
14794999118,12cyclictest0-21swapper/208:39:152
1479499904,27cyclictest0-21swapper/207:14:122
1479499904,27cyclictest0-21swapper/207:14:122
1479499904,27cyclictest0-21swapper/206:17:272
1479499904,27cyclictest0-21swapper/205:09:102
1479499904,25cyclictest0-21swapper/206:59:192
14794999019,12cyclictest0-21swapper/209:59:232
14794999019,12cyclictest0-21swapper/209:59:232
1479499896,25cyclictest0-21swapper/207:19:032
1479499894,30cyclictest0-21swapper/208:35:292
1479499894,27cyclictest0-21swapper/209:19:022
1479499894,27cyclictest0-21swapper/209:19:022
1479499884,27cyclictest0-21swapper/209:13:542
1479499884,25cyclictest0-21swapper/209:01:362
1479499883,27cyclictest0-21swapper/207:58:582
1479499883,27cyclictest0-21swapper/207:58:582
1479499874,25cyclictest0-21swapper/208:12:072
1479499874,24cyclictest22370-21runrttasks08:44:022
1479499873,29cyclictest0-21swapper/207:49:052
1479499873,26cyclictest0-21swapper/209:08:522
1479499864,26cyclictest0-21swapper/205:17:432
1479499864,24cyclictest0-21swapper/207:08:092
1479499863,26cyclictest0-21swapper/207:32:312
14794998617,11cyclictest0-21swapper/208:04:122
1479499853,73cyclictest0-21swapper/207:34:492
1479499853,25cyclictest0-21swapper/208:49:032
1479499844,71cyclictest0-21swapper/209:41:152
1479499844,29cyclictest0-21swapper/210:18:132
1479499844,25cyclictest0-21swapper/209:55:172
1479499844,25cyclictest0-21swapper/209:29:472
1479499844,25cyclictest0-21swapper/206:52:522
1479499843,13cyclictest9450-21kworker/2:009:43:532
1479499834,26cyclictest0-21swapper/208:26:202
1479499834,24cyclictest0-21swapper/209:34:122
1479499833,26cyclictest0-21swapper/204:59:232
1479499828,22cyclictest0-21swapper/208:17:122
1479499824,26cyclictest0-21swapper/206:54:102
1479499824,26cyclictest0-21swapper/206:43:452
1479499804,27cyclictest0-21swapper/205:34:402
1479499794,25cyclictest0-21swapper/206:32:552
1479499794,25cyclictest0-21swapper/205:54:182
1479499793,31cyclictest0-21swapper/205:44:022
1479499793,13cyclictest0-21swapper/205:19:002
248599780,4rtkit-daemon2484-21rtkit-daemon09:30:133
1479499784,28cyclictest0-21swapper/205:29:132
1479499784,17cyclictest0-21swapper/205:39:172
1479499784,14cyclictest0-21swapper/206:24:222
1479499783,68cyclictest718-21cpuspeed_turbos06:33:592
1479499783,68cyclictest718-21cpuspeed_turbos06:33:592
14794997814,12cyclictest0-21swapper/206:08:572
1479599775,51cyclictest0-21swapper/307:09:143
1479499774,22cyclictest0-21swapper/205:24:232
14794997614,9cyclictest121850irq/46-eth006:48:452
1479499743,29cyclictest0-21swapper/205:59:062
1479499743,27cyclictest0-21swapper/204:54:082
1479599734,60cyclictest0-21swapper/308:38:543
14795997241,13cyclictest0-21swapper/308:49:083
1479499723,22cyclictest0-21swapper/206:03:582
1479199704,58cyclictest0-21swapper/004:49:090
248599690,5rtkit-daemon2484-21rtkit-daemon08:14:163
248599690,2rtkit-daemon0-21swapper/307:14:193
248599690,2rtkit-daemon0-21swapper/307:14:193
14795996940,12cyclictest0-21swapper/308:04:013
1479199693,59cyclictest0-21swapper/007:34:120
1479199693,11cyclictest0-21swapper/007:06:400
14791996919,27cyclictest1419-21runrttasks09:04:020
14795996839,11cyclictest0-21swapper/308:45:533
14795996820,27cyclictest0-21swapper/307:07:013
1479199683,10cyclictest0-21swapper/009:14:010
14795996718,27cyclictest30319-21cpuspeed_turbos08:08:553
1479199673,10cyclictest0-21swapper/007:39:020
14795996638,11cyclictest0-21swapper/308:57:243
14795996638,11cyclictest0-21swapper/307:28:153
14795996637,11cyclictest0-21swapper/309:42:453
14794996619,9cyclictest13182-21vmstat05:49:212
14794996619,9cyclictest13182-21vmstat05:49:212
1479199664,54cyclictest7524-21crond06:48:450
1479199663,57cyclictest0-21swapper/009:48:130
1479199663,56cyclictest0-21swapper/009:01:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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