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2026-07-10 - 20:33

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 Fri Jul 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
906599993,26cyclictest9193-21grep08:40:120
9065999918,10cyclictest18367-21ssh09:40:140
906599965,22cyclictest6386-21ssh08:35:200
906599965,13cyclictest0-21swapper/010:00:080
906599955,25cyclictest0-21swapper/008:47:190
906599954,13cyclictest7819-21grep11:00:120
9065999518,12cyclictest0-21swapper/009:05:280
9067999427,60cyclictest0-21swapper/111:45:031
906599949,24cyclictest0-21swapper/011:45:050
906599948,25cyclictest0-21swapper/010:05:060
906599945,35cyclictest0-21swapper/011:35:090
906599945,35cyclictest0-21swapper/011:35:090
906599944,22cyclictest22433-21ssh09:45:270
906599944,13cyclictest0-21swapper/007:25:180
906599944,13cyclictest0-21swapper/007:25:180
9065999421,12cyclictest0-21swapper/008:55:130
906599935,32cyclictest1227-21runrttasks07:50:000
906599934,34cyclictest21561-21cpuspeed_turbos06:55:160
906599934,29cyclictest0-21swapper/011:15:070
906599934,26cyclictest0-21swapper/009:20:150
906599934,25cyclictest0-21swapper/010:51:490
906599934,25cyclictest0-21swapper/010:51:490
9065999320,13cyclictest0-21swapper/009:00:280
9065999318,21cyclictest0-21swapper/010:20:130
906599924,29cyclictest0-21swapper/010:15:350
906599924,29cyclictest0-21swapper/010:15:350
906599924,26cyclictest0-21swapper/009:29:100
906599924,13cyclictest0-21swapper/007:03:450
9065999224,15cyclictest0-21swapper/011:55:020
9065999217,14cyclictest0-21swapper/009:35:220
9065999217,14cyclictest0-21swapper/009:35:220
9065999214,22cyclictest0-21swapper/011:27:550
906599914,36cyclictest0-21swapper/009:55:290
906599914,34cyclictest0-21swapper/010:35:470
9065999118,13cyclictest0-21swapper/010:56:360
906599905,32cyclictest0-21swapper/010:40:050
906599905,26cyclictest0-21swapper/009:33:340
906599905,24cyclictest0-21swapper/010:29:290
906599904,27cyclictest0-21swapper/011:52:430
906599904,26cyclictest0-21swapper/010:12:290
906599903,37cyclictest0-21swapper/010:33:460
9065999026,11cyclictest14159-21df_abs11:10:080
9065999021,12cyclictest0-21swapper/009:15:270
906599895,26cyclictest0-21swapper/011:41:560
906599895,13cyclictest0-21swapper/011:30:560
906599894,26cyclictest0-21swapper/011:07:350
906599894,26cyclictest0-21swapper/009:10:230
906599894,25cyclictest0-21swapper/008:32:070
9065998921,23cyclictest0-21swapper/009:50:260
906599885,13cyclictest0-21swapper/006:50:150
906599884,26cyclictest0-21swapper/011:20:250
906599884,26cyclictest0-21swapper/008:52:250
906599884,26cyclictest0-21swapper/008:52:250
906599875,31cyclictest0-21swapper/010:45:030
906599874,26cyclictest0-21swapper/008:16:230
906599865,34cyclictest0-21swapper/007:44:240
9067998432,35cyclictest4032-21munin-node09:20:221
9065998426,12cyclictest909-21crond07:59:590
9067998331,33cyclictest18549-21sendmail_mailqu11:15:221
9067998328,49cyclictest0-21swapper/109:09:061
906599835,27cyclictest0-21swapper/008:20:220
906599834,26cyclictest0-21swapper/006:43:120
9067998229,45cyclictest1124-21snmpd09:14:421
9067998225,50cyclictest0-21swapper/108:40:261
9067998222,53cyclictest30153-21munin-node10:45:151
9067998133,31cyclictest13950-21cpuspeed11:10:061
9067998131,41cyclictest7887-21df09:25:111
9067998125,37cyclictest0-21swapper/108:19:231
219499810,4rtkit-daemon2193-21rtkit-daemon07:51:233
9067998035,38cyclictest1227-21runrttasks11:39:301
9067998035,38cyclictest1227-21runrttasks11:39:301
9067998033,28cyclictest31019-21munin-node10:00:091
9067998025,48cyclictest17573-21ssh09:40:061
9067998025,48cyclictest0-21swapper/110:59:411
9067998019,55cyclictest0-21swapper/109:34:561
906599804,25cyclictest0-21swapper/007:08:460
906599804,23cyclictest9285-21munin-node06:30:310
219499800,4rtkit-daemon2193-21rtkit-daemon11:17:222
9069997926,45cyclictest11167-21head11:05:123
9067997928,45cyclictest27570-21ssh09:54:571
9067997926,46cyclictest0-21swapper/110:25:221
9067997926,36cyclictest0-21swapper/108:57:521
9067997926,34cyclictest0-21swapper/111:53:271
9067997920,53cyclictest0-21swapper/111:25:031
906599794,12cyclictest0-21swapper/006:35:180
9069997822,33cyclictest14263-21telnet09:35:073
9069997822,33cyclictest14263-21telnet09:35:073
9067997833,27cyclictest19442-21df10:30:091
9067997824,46cyclictest0-21swapper/110:35:171
9067997823,35cyclictest0-21swapper/109:51:261
9067997819,53cyclictest0-21swapper/108:27:221
9067997818,53cyclictest0-21swapper/111:06:251
9069997724,47cyclictest8244-21grep11:00:203
9069997718,52cyclictest17574-21aten_r1power_cu09:40:063
9067997734,36cyclictest1227-21runrttasks09:18:251
9067997730,39cyclictest1227-21runrttasks06:53:201
9067997728,30cyclictest8752-21latency_hist08:39:581
9067997728,29cyclictest7751-21ssh10:11:501
9067997728,29cyclictest12403-21ssh10:20:051
9067997727,43cyclictest3753-21sort10:05:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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