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2026-01-07 - 23:56

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 Wed Jan 07, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3237099109109,0cyclictest29-21ksoftirqd/211:39:452
32393999998,0cyclictest192950irq/36-eth1-rx-11:39:575
32370998684,2cyclictest29-21ksoftirqd/207:13:552
32386998483,1cyclictest0-21swapper/410:30:314
32386998180,1cyclictest0-21swapper/409:09:244
32370997069,1cyclictest0-21swapper/207:32:032
32359995656,0cyclictest3-21ksoftirqd/010:30:310
32359995353,0cyclictest3-21ksoftirqd/009:09:240
3003525140,8sleep50-21swapper/507:05:055
3216324928,17sleep60-21swapper/607:09:566
3003424937,8sleep40-21swapper/407:05:044
3202724826,18sleep70-21swapper/707:08:047
3212124624,8sleep00-21swapper/007:09:250
3198324332,8sleep10-21swapper/107:07:271
32365994039,1cyclictest0-21swapper/107:13:551
3205023615,18sleep30-21swapper/307:08:243
3188923615,8sleep20-21swapper/207:06:072
32403993332,1cyclictest0-21swapper/708:19:537
32397992623,2cyclictest0-21swapper/612:01:566
3239399245,18cyclictest5685-21munin-run07:19:595
32403992321,1cyclictest0-21swapper/711:37:067
32386992119,1cyclictest0-21swapper/408:11:034
3238099212,18cyclictest0-21swapper/307:23:173
3238099210,19cyclictest0-21swapper/311:44:323
3238099201,18cyclictest0-21swapper/310:33:563
3238099200,19cyclictest0-21swapper/309:02:343
3238099191,17cyclictest0-21swapper/309:11:213
3238099190,18cyclictest0-21swapper/310:23:523
3238099180,17cyclictest0-21swapper/309:55:233
3238099180,17cyclictest0-21swapper/307:26:293
3238099180,16cyclictest0-21swapper/310:51:103
3238699170,2cyclictest0-21swapper/409:53:254
3239799160,1cyclictest0-21swapper/611:23:556
3239799160,13cyclictest0-21swapper/609:33:556
3239399160,1cyclictest0-21swapper/511:50:155
3239399160,1cyclictest0-21swapper/511:21:115
3239399160,13cyclictest0-21swapper/508:04:405
32403991511,4cyclictest0-21swapper/708:57:557
32403991511,4cyclictest0-21swapper/708:57:557
32403991510,4cyclictest0-21swapper/707:25:257
3240399150,12cyclictest0-21swapper/707:52:257
3239799150,12cyclictest0-21swapper/611:16:346
3239399150,13cyclictest0-21swapper/508:46:255
32386991512,2cyclictest0-21swapper/408:15:414
3238699150,13cyclictest0-21swapper/407:28:394
3240399140,2cyclictest0-21swapper/709:47:407
3240399140,12cyclictest0-21swapper/708:48:257
3239799140,13cyclictest0-21swapper/609:43:266
3239799140,11cyclictest0-21swapper/607:17:556
3239399140,14cyclictest0-21swapper/511:42:555
3239399140,12cyclictest0-21swapper/509:00:555
3239399140,12cyclictest0-21swapper/507:11:395
32380991414,0cyclictest37-21ksoftirqd/308:19:533
32380991412,2cyclictest0-21swapper/310:10:143
32370991410,3cyclictest0-21swapper/208:00:152
32359991412,1cyclictest2487-21snmpd11:02:100
3239799130,1cyclictest0-21swapper/611:05:156
3239399130,12cyclictest0-21swapper/510:42:105
3239399130,12cyclictest0-21swapper/507:33:555
3238699131,2cyclictest0-21swapper/409:48:554
3235999138,2cyclictest0-21swapper/010:25:000
3235999130,9cyclictest3026950latency_hist11:35:000
3240399120,1cyclictest0-21swapper/710:04:257
3239799120,1cyclictest0-21swapper/608:45:596
3238699120,10cyclictest0-21swapper/407:43:554
3238099123,2cyclictest0-21swapper/307:44:063
3235999121,8cyclictest0-21swapper/008:20:010
3235999121,8cyclictest0-21swapper/007:25:000
3240399117,1cyclictest28914-21munin-run09:10:007
3239799116,5cyclictest0-21swapper/612:17:416
32393991110,1cyclictest0-21swapper/507:39:105
3239399110,2cyclictest0-21swapper/509:29:035
3239399110,10cyclictest0-21swapper/510:35:465
3237099119,2cyclictest0-21swapper/208:25:152
3236599119,1cyclictest0-21swapper/111:39:571
3236599111,9cyclictest0-21swapper/108:45:111
32365991110,0cyclictest2487-21snmpd09:12:101
3235999119,1cyclictest2487-21snmpd10:06:250
3235999118,2cyclictest0-21swapper/009:14:550
3235999116,4cyclictest0-21swapper/012:19:240
3235999115,5cyclictest0-21swapper/012:15:000
3235999111,8cyclictest0-21swapper/009:54:340
3235999111,8cyclictest0-21swapper/008:29:290
3235999110,9cyclictest0-21swapper/012:20:140
3235999110,8cyclictest24712-21mrtg09:35:010
3235999110,8cyclictest18787-21latency_hist08:50:000
3235999110,8cyclictest0-21swapper/011:20:430
3235999110,8cyclictest0-21swapper/010:30:000
3235999110,8cyclictest0-21swapper/008:30:120
3235999110,10cyclictest0-21swapper/008:25:000
3240399108,2cyclictest0-21swapper/712:31:267
3239399100,9cyclictest0-21swapper/509:21:465
3238699109,1cyclictest0-21swapper/412:21:264
3238099103,3cyclictest0-21swapper/312:33:143
3238099103,3cyclictest0-21swapper/311:57:053
3238099103,3cyclictest0-21swapper/308:53:293
3238099103,3cyclictest0-21swapper/308:53:293
3238099103,3cyclictest0-21swapper/307:33:543
3238099102,2cyclictest0-21swapper/308:44:043
3238099101,3cyclictest0-21swapper/312:21:263
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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