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2025-12-16 - 23:52

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 Tue Dec 16, 2025 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10412999290,2cyclictest0-21swapper/310:35:343
10436996261,0cyclictest192950irq/36-eth1-rx-10:35:347
998726141,17sleep50-21swapper/507:06:595
10394995959,0cyclictest3-21ksoftirqd/007:47:550
998825736,18sleep60-21swapper/607:07:006
10419995554,1cyclictest0-21swapper/407:47:554
10432995453,1cyclictest0-21swapper/608:20:116
996225131,17sleep00-21swapper/007:06:390
807224726,18sleep70-21swapper/707:05:087
806924433,8sleep40-21swapper/407:05:064
10412994040,0cyclictest37-21ksoftirqd/308:40:303
1014524014,23sleep10-21swapper/107:09:121
1008123929,7sleep20-21swapper/207:08:162
990423715,18sleep30-21swapper/307:05:523
10425993332,1cyclictest0-21swapper/507:15:455
10398992828,0cyclictest21-21ksoftirqd/107:15:451
1043299181,16cyclictest26177-21awk07:40:016
1043299180,17cyclictest0-21swapper/608:30:196
1041999171,14cyclictest0-21swapper/412:29:214
1040799173,13cyclictest0-21swapper/209:06:262
1043699160,13cyclictest0-21swapper/712:11:507
1043699160,13cyclictest0-21swapper/710:32:207
1043299160,13cyclictest0-21swapper/609:49:196
1041999160,4cyclictest0-21swapper/411:54:514
1041999160,13cyclictest0-21swapper/407:42:494
1043699150,1cyclictest0-21swapper/710:05:207
1043699150,12cyclictest0-21swapper/711:26:217
1043699150,12cyclictest0-21swapper/710:10:507
1043699150,12cyclictest0-21swapper/708:58:057
1043699150,12cyclictest0-21swapper/708:24:357
1043299151,13cyclictest0-21swapper/611:03:206
1043299150,13cyclictest0-21swapper/608:54:206
1043299150,13cyclictest0-21swapper/607:10:196
1041999140,1cyclictest0-21swapper/408:58:354
1041999140,12cyclictest0-21swapper/410:50:214
10394991411,2cyclictest0-21swapper/012:30:010
10432991311,1cyclictest0-21swapper/612:00:226
10432991311,1cyclictest0-21swapper/612:00:226
10407991312,0cyclictest2487-21snmpd09:23:502
1040799130,12cyclictest0-21swapper/210:45:212
1039499131,2cyclictest0-21swapper/008:05:000
10394991312,0cyclictest2487-21snmpd07:55:500
10394991311,1cyclictest2487-21snmpd07:30:500
1039499131,11cyclictest0-21swapper/007:40:000
318322120,0sleep431833-21expr07:50:134
318322120,0sleep431833-21expr07:50:134
10436991211,1cyclictest0-21swapper/708:40:307
1043699120,1cyclictest0-21swapper/712:16:507
10407991212,0cyclictest2487-21snmpd08:07:202
10407991211,1cyclictest2487-21snmpd11:03:352
10394991211,1cyclictest2487-21snmpd07:40:350
1039499121,10cyclictest0-21swapper/011:20:000
1039499120,1cyclictest0-21swapper/012:35:010
1043699119,2cyclictest0-21swapper/709:22:057
1043299111,9cyclictest24126-21munin-run08:40:006
10407991110,0cyclictest2487-21snmpd07:40:512
1039499119,1cyclictest0-21swapper/012:25:000
1039499119,1cyclictest0-21swapper/012:00:210
1039499119,1cyclictest0-21swapper/012:00:210
1039499118,1cyclictest10670-21latency_hist11:25:010
1039499112,8cyclictest27585-21dump-pmu-power10:55:000
1039499111,9cyclictest0-21swapper/009:35:000
1039499111,2cyclictest0-21swapper/012:00:010
1039499111,2cyclictest0-21swapper/009:19:590
10394991110,0cyclictest2487-21snmpd11:29:500
1039499110,8cyclictest0-21swapper/010:00:000
1039499110,6cyclictest0-21swapper/012:10:010
1039499110,6cyclictest0-21swapper/012:10:000
1039499110,10cyclictest20142-21strings07:25:190
1039499110,10cyclictest0-21swapper/009:45:150
1039499110,10cyclictest0-21swapper/009:10:000
1039499110,10cyclictest0-21swapper/007:15:220
1043299103,5cyclictest0-21swapper/611:57:066
10432991010,0cyclictest2487-21snmpd09:02:506
1041999107,2cyclictest0-21swapper/407:55:504
1041999107,2cyclictest0-21swapper/407:30:504
1041299108,1cyclictest2487-21snmpd07:31:203
1041299105,4cyclictest0-21swapper/311:01:283
1041299105,4cyclictest0-21swapper/309:19:433
1041299105,3cyclictest0-21swapper/311:27:473
1041299105,3cyclictest0-21swapper/310:57:513
1041299105,3cyclictest0-21swapper/309:13:033
1041299105,1cyclictest0-21swapper/310:03:153
1041299104,5cyclictest0-21swapper/310:34:503
1041299104,5cyclictest0-21swapper/309:36:263
1041299104,5cyclictest0-21swapper/308:55:133
1041299104,3cyclictest0-21swapper/310:21:393
1041299104,3cyclictest0-21swapper/307:39:033
1041299104,2cyclictest0-21swapper/310:49:183
1041299103,4cyclictest0-21swapper/307:16:423
1041299102,7cyclictest0-21swapper/309:02:453
1041299102,5cyclictest0-21swapper/310:11:073
1041299102,5cyclictest0-21swapper/308:27:233
1041299100,7cyclictest0-21swapper/309:06:233
1041299100,7cyclictest0-21swapper/308:01:043
10407991010,0cyclictest2487-21snmpd10:51:052
1039499109,1cyclictest0-21swapper/008:40:140
1039499109,1cyclictest0-21swapper/008:30:150
1039499108,1cyclictest1418350cat08:20:010
1039499108,1cyclictest11022-21sed08:10:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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