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2025-12-15 - 16:30

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #0, slot #1

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 rack0slot1s.osadl.org (updated Mon Dec 15, 2025 12:45:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1578799120120,0cyclictest37-21ksoftirqd/311:34:433
1579899101100,1cyclictest0-21swapper/510:58:565
1578199100100,0cyclictest29-21ksoftirqd/211:51:492
15787999896,1cyclictest37-21ksoftirqd/309:56:493
15787999796,0cyclictest37-21ksoftirqd/307:24:083
15787999393,0cyclictest37-21ksoftirqd/311:22:343
15798999190,1cyclictest0-21swapper/511:01:095
15809998983,1cyclictest0-21swapper/711:22:587
15798998988,1cyclictest0-21swapper/509:52:145
15804998279,2cyclictest0-21swapper/608:35:406
15804997269,2cyclictest0-21swapper/608:05:076
15804997269,2cyclictest0-21swapper/608:05:066
15794996361,1cyclictest0-21swapper/410:37:024
1542126242,17sleep50-21swapper/507:08:025
1540926242,17sleep40-21swapper/407:07:544
15809995554,1cyclictest0-21swapper/711:34:437
15776994949,0cyclictest21-21ksoftirqd/110:58:561
15770994948,1cyclictest3-21ksoftirqd/010:37:020
1541224827,18sleep70-21swapper/707:07:567
1535724736,8sleep60-21swapper/607:07:076
1532424715,18sleep20-21swapper/207:06:392
15776993939,0cyclictest21-21ksoftirqd/111:01:091
1550523918,18sleep00-21swapper/007:09:100
15794993838,0cyclictest192950irq/36-eth1-rx-08:49:394
15781993837,1cyclictest29-21ksoftirqd/210:53:572
1546423817,18sleep30-21swapper/307:08:403
1465623813,8sleep10-21swapper/107:05:171
15776993737,0cyclictest21-21ksoftirqd/109:52:141
15809993231,1cyclictest0-21swapper/709:56:497
15809993230,2cyclictest0-21swapper/707:24:097
1578799302,26cyclictest0-21swapper/309:04:473
15770992726,1cyclictest0-21swapper/008:49:390
15770992411,12cyclictest18303-21mrtg11:30:000
1578799232,18cyclictest0-21swapper/310:28:193
1578799223,18cyclictest0-21swapper/312:16:163
15804992120,1cyclictest0-21swapper/611:51:496
1578799212,18cyclictest0-21swapper/311:57:073
1578799212,18cyclictest0-21swapper/310:08:263
1578799210,18cyclictest0-21swapper/310:14:353
1578799202,17cyclictest0-21swapper/310:58:153
1578799200,19cyclictest0-21swapper/308:17:503
1578799200,17cyclictest0-21swapper/308:50:093
15787991918,1cyclictest0-21swapper/309:40:203
1578799191,17cyclictest0-21swapper/312:09:093
1578799190,18cyclictest0-21swapper/308:49:393
1578799190,17cyclictest0-21swapper/311:53:573
1579899180,2cyclictest0-21swapper/510:43:595
15794991817,1cyclictest0-21swapper/407:51:184
1578799180,17cyclictest0-21swapper/311:45:293
1578799180,17cyclictest0-21swapper/310:04:263
1577699180,17cyclictest0-21swapper/107:15:201
1577099181,1cyclictest3872-21runrttasks08:10:150
1577099181,1cyclictest3872-21runrttasks08:10:150
1577699172,14cyclictest26499-21awk07:30:001
1580999160,13cyclictest0-21swapper/708:15:007
1580999160,13cyclictest0-21swapper/708:14:597
1580999160,13cyclictest0-21swapper/707:58:597
1579899160,13cyclictest0-21swapper/512:31:595
15809991511,4cyclictest0-21swapper/709:32:147
1580999150,1cyclictest0-21swapper/708:01:137
1580499151,13cyclictest10268-21munin-run10:10:006
1579899150,13cyclictest0-21swapper/512:06:145
1578799150,13cyclictest31547-21basename07:40:003
1577099150,10cyclictest0-21swapper/012:30:010
1577099150,10cyclictest0-21swapper/012:30:010
1579499141,2cyclictest0-21swapper/409:55:594
1579499141,12cyclictest0-21swapper/410:24:594
15794991411,2cyclictest0-21swapper/408:15:444
15776991412,1cyclictest2487-21snmpd11:24:591
15776991412,1cyclictest2487-21snmpd08:33:591
15776991412,1cyclictest2487-21snmpd08:07:141
15776991412,1cyclictest2487-21snmpd08:07:141
15809991311,2cyclictest0-21swapper/708:24:597
1579899130,2cyclictest0-21swapper/511:41:435
15794991310,3cyclictest0-21swapper/409:43:294
1579499130,12cyclictest0-21swapper/412:35:224
15776991312,1cyclictest2487-21snmpd09:12:591
1579899120,2cyclictest0-21swapper/511:57:335
1579899120,2cyclictest0-21swapper/507:18:455
1579499120,11cyclictest0-21swapper/409:25:474
1577099127,2cyclictest0-21swapper/010:54:590
1577099127,2cyclictest0-21swapper/007:15:000
15770991212,0cyclictest2487-21snmpd09:35:290
15770991212,0cyclictest2487-21snmpd09:12:290
15770991212,0cyclictest2487-21snmpd08:04:280
15770991211,1cyclictest2487-21snmpd08:28:290
1577099120,9cyclictest0-21swapper/010:20:000
15809991110,1cyclictest0-21swapper/709:18:147
1580499118,2cyclictest0-21swapper/610:41:296
1579499118,2cyclictest0-21swapper/412:27:594
1579499118,2cyclictest0-21swapper/412:27:594
1579499110,10cyclictest0-21swapper/407:30:204
15781991111,0cyclictest2487-21snmpd08:59:592
15776991110,0cyclictest2487-21snmpd08:14:441
15776991110,0cyclictest2487-21snmpd08:14:441
1577099117,1cyclictest2626-21mrtg09:55:000
1577099116,2cyclictest0-21swapper/012:10:000
1577099116,2cyclictest0-21swapper/010:10:000
1577099111,8cyclictest0-21swapper/012:30:520
15770991110,1cyclictest2196-21redis-server07:30:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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