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2026-03-20 - 15:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #0

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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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.

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 r0s0s.osadl.org (updated Fri Mar 20, 2026 12:46:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8173152297260,12sleep50-21swapper/507:05:025
8193762293274,12sleep10-21swapper/107:06:511
8195302289269,13sleep20-21swapper/207:09:012
8193142289269,13sleep40-21swapper/407:05:574
8193992287268,12sleep60-21swapper/607:07:126
8193912287267,13sleep70-21swapper/707:07:057
8193222287268,12sleep30-21swapper/307:06:043
8193282286266,13sleep00-21swapper/007:06:090
820084993530,5cyclictest449069-21snmpd11:35:386
820079993530,1cyclictest449069-21snmpd08:48:354
820079993528,2cyclictest856872-21cat08:20:144
820085993430,3cyclictest449069-21snmpd12:12:577
820084993429,4cyclictest449069-21snmpd08:02:196
82008499340,33cyclictest0-21swapper/610:52:096
82008499340,33cyclictest0-21swapper/609:58:016
820079993430,1cyclictest449069-21snmpd07:12:364
82007999340,30cyclictest0-21swapper/412:34:004
820071993430,3cyclictest449069-21snmpd09:48:371
820085993330,3cyclictest449069-21snmpd08:13:377
820084993329,3cyclictest449069-21snmpd11:04:516
820084993327,5cyclictest449069-21snmpd08:25:446
820079993330,2cyclictest449069-21snmpd10:49:454
82007999330,31cyclictest0-21swapper/409:40:554
82007999330,31cyclictest0-21swapper/409:40:554
82007999330,30cyclictest0-21swapper/407:30:044
820077993330,2cyclictest449069-21snmpd08:35:083
82007799330,32cyclictest0-21swapper/312:21:123
82007799330,32cyclictest0-21swapper/308:09:493
820071993330,2cyclictest449069-21snmpd08:03:071
820071993330,2cyclictest449069-21snmpd07:13:271
82006899330,30cyclictest0-21swapper/010:00:070
820085993230,2cyclictest449069-21snmpd10:18:387
820085993230,1cyclictest449069-21snmpd11:51:567
820085993229,3cyclictest449069-21snmpd08:21:537
820085993229,2cyclictest449069-21snmpd12:33:157
82008599320,31cyclictest0-21swapper/711:55:447
82008599320,31cyclictest0-21swapper/711:30:157
82008599320,31cyclictest0-21swapper/711:30:157
820084993230,1cyclictest449069-21snmpd07:48:206
820084993230,1cyclictest449069-21snmpd07:48:196
820084993230,1cyclictest449069-21snmpd07:32:286
820084993229,2cyclictest985347-21cat12:35:146
820084993229,2cyclictest449069-21snmpd09:12:576
820084993229,2cyclictest449069-21snmpd07:41:436
820084993228,3cyclictest449069-21snmpd11:55:356
82008499320,31cyclictest0-21swapper/610:28:086
82008499320,30cyclictest0-21swapper/607:15:426
820082993230,2cyclictest906948-21cat10:00:155
820082993230,2cyclictest904443-21cat09:55:145
820082993230,2cyclictest449069-21snmpd10:36:325
820079993230,1cyclictest449069-21snmpd12:04:094
820079993229,2cyclictest449069-21snmpd08:58:544
820079993229,2cyclictest449069-21snmpd07:36:264
82007999320,31cyclictest0-21swapper/409:17:374
82007999320,31cyclictest0-21swapper/408:26:264
82007999320,30cyclictest0-21swapper/411:18:524
82007999320,30cyclictest0-21swapper/410:58:274
82007999320,30cyclictest0-21swapper/410:11:084
82007999320,30cyclictest0-21swapper/407:47:534
82007999320,30cyclictest0-21swapper/407:47:524
820077993229,2cyclictest449069-21snmpd09:45:583
820077993229,2cyclictest449069-21snmpd08:31:053
82007799320,31cyclictest0-21swapper/312:31:453
820074993230,2cyclictest449069-21snmpd08:02:492
820074993230,2cyclictest449069-21snmpd07:53:402
820074993230,2cyclictest449069-21snmpd07:53:402
820071993229,2cyclictest449069-21snmpd12:03:571
820071993229,2cyclictest449069-21snmpd09:38:281
820071993229,2cyclictest449069-21snmpd09:38:281
82007199320,31cyclictest0-21swapper/111:10:141
82007199320,31cyclictest0-21swapper/110:50:481
82007199320,31cyclictest0-21swapper/110:41:211
820085993130,1cyclictest449069-21snmpd10:53:007
820085993129,1cyclictest449069-21snmpd09:25:307
820085993127,3cyclictest449069-21snmpd07:50:107
820085993127,3cyclictest449069-21snmpd07:50:107
82008599310,30cyclictest0-21swapper/710:41:427
82008599310,30cyclictest0-21swapper/710:30:057
82008599310,30cyclictest0-21swapper/710:10:027
82008599310,30cyclictest0-21swapper/708:32:477
82008599310,30cyclictest0-21swapper/708:29:027
82008599310,1cyclictest0-21swapper/709:45:287
82008599310,1cyclictest0-21swapper/709:21:367
82008599310,1cyclictest0-21swapper/708:54:337
82008599310,1cyclictest0-21swapper/707:55:157
82008599310,1cyclictest0-21swapper/707:33:557
820084993129,1cyclictest449069-21snmpd08:34:446
820084993128,2cyclictest449069-21snmpd10:33:446
820084993128,2cyclictest449069-21snmpd10:11:416
82008499310,30cyclictest0-21swapper/611:24:166
82008499310,30cyclictest0-21swapper/610:49:066
82008499310,30cyclictest0-21swapper/610:21:326
82008499310,30cyclictest0-21swapper/609:00:036
82008499310,1cyclictest0-21swapper/608:23:086
820082993130,1cyclictest449069-21snmpd11:19:375
820082993130,1cyclictest449069-21snmpd11:12:165
820082993130,1cyclictest449069-21snmpd10:56:185
820082993130,1cyclictest449069-21snmpd10:12:175
820082993130,1cyclictest449069-21snmpd08:17:475
820082993129,2cyclictest449069-21snmpd08:57:455
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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