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2026-01-02 - 19:02

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 Fri Jan 02, 2026 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1606399122120,1cyclictest0-21swapper/511:03:145
1607499112112,0cyclictest192950irq/36-eth1-rx-08:04:527
1605399104102,1cyclictest37-21ksoftirqd/312:22:173
16074999594,1cyclictest0-21swapper/708:43:017
1579425939,17sleep40-21swapper/407:09:274
16074995655,1cyclictest0-21swapper/712:22:177
16053995655,1cyclictest0-21swapper/308:18:513
1563925241,8sleep20-21swapper/207:07:182
1579624937,8sleep60-21swapper/607:09:306
1564224938,8sleep50-21swapper/507:07:205
16046994646,0cyclictest29-21ksoftirqd/211:12:172
1576024120,18sleep70-21swapper/707:08:597
1552023919,17sleep00-21swapper/007:05:380
1579123717,17sleep10-21swapper/107:09:241
16069993635,1cyclictest0-21swapper/611:12:176
1566123616,17sleep30-21swapper/307:07:353
205022250,0sleep40-21swapper/409:15:234
1605399210,2cyclictest0-21swapper/310:16:273
1606399180,14cyclictest19683-21awk08:20:005
16040991817,1cyclictest21-21ksoftirqd/111:03:141
1606399160,1cyclictest0-21swapper/511:13:365
1605799150,1cyclictest0-21swapper/409:07:514
16069991411,2cyclictest0-21swapper/607:50:066
1606999140,12cyclictest0-21swapper/610:01:366
1606399140,11cyclictest0-21swapper/509:31:065
16046991412,1cyclictest2406-21munin-run08:49:592
16032991412,1cyclictest2487-21snmpd12:07:510
1603299141,12cyclictest0-21swapper/011:45:000
1606999130,1cyclictest0-21swapper/611:16:316
16063991310,3cyclictest0-21swapper/507:14:515
1606399130,1cyclictest0-21swapper/510:31:355
1606399130,1cyclictest0-21swapper/509:35:065
16053991311,1cyclictest0-21swapper/307:35:243
16046991312,0cyclictest2487-21snmpd10:56:212
1603299131,9cyclictest0-21swapper/011:30:000
1603299131,11cyclictest0-21swapper/008:04:590
1603299130,10cyclictest18893-21if_ppp007:15:000
1607499120,11cyclictest0-21swapper/711:03:477
1606999120,12cyclictest0-21swapper/608:37:516
16053991211,1cyclictest2487-21snmpd09:18:363
1603299128,1cyclictest0-21swapper/008:20:170
1607499118,2cyclictest0-21swapper/712:11:077
1607499118,2cyclictest0-21swapper/707:29:067
1607499110,10cyclictest0-21swapper/712:05:467
1607499110,10cyclictest0-21swapper/709:37:467
1606999119,2cyclictest0-21swapper/612:31:526
1606999119,2cyclictest0-21swapper/608:40:066
1606399118,3cyclictest0-21swapper/509:17:515
1606399110,10cyclictest0-21swapper/511:30:155
1605799110,2cyclictest0-21swapper/411:11:514
16053991111,0cyclictest2487-21snmpd11:25:063
16053991111,0cyclictest2487-21snmpd11:18:513
16053991111,0cyclictest2487-21snmpd10:25:523
1604099119,1cyclictest2487-21snmpd11:30:211
1604099110,1cyclictest0-21swapper/107:49:291
1603299116,2cyclictest0-21swapper/012:00:000
1603299116,2cyclictest0-21swapper/007:39:590
1603299116,1cyclictest0-21swapper/009:10:000
1603299111,9cyclictest0-21swapper/009:50:000
1603299111,9cyclictest0-21swapper/008:05:180
1603299111,7cyclictest0-21swapper/012:20:140
1603299111,2cyclictest0-21swapper/009:15:000
1603299110,9cyclictest0-21swapper/012:00:210
1603299110,9cyclictest0-21swapper/011:15:230
1603299110,9cyclictest0-21swapper/009:30:570
1603299110,9cyclictest0-21swapper/009:25:010
1603299110,9cyclictest0-21swapper/007:55:150
1603299110,8cyclictest0-21swapper/010:55:000
1603299110,8cyclictest0-21swapper/007:24:590
1603299110,7cyclictest2491450cat08:30:000
1607499109,1cyclictest0-21swapper/707:19:507
1606999109,1cyclictest0-21swapper/610:11:366
1606999103,4cyclictest0-21swapper/608:57:366
1606999100,10cyclictest0-21swapper/612:22:066
1606999100,10cyclictest0-21swapper/612:10:156
1605799108,2cyclictest0-21swapper/408:25:064
1605399109,1cyclictest2487-21snmpd08:44:213
16053991010,0cyclictest2487-21snmpd12:06:513
1603299107,2cyclictest0-21swapper/007:15:000
1603299107,1cyclictest0-21swapper/011:09:550
1603299107,1cyclictest0-21swapper/010:59:540
1603299107,1cyclictest0-21swapper/010:44:560
1603299106,3cyclictest0-21swapper/010:20:250
1603299100,9cyclictest0-21swapper/011:11:060
1603299100,9cyclictest0-21swapper/010:25:050
1603299100,9cyclictest0-21swapper/010:10:110
1603299100,9cyclictest0-21swapper/010:00:070
1603299100,9cyclictest0-21swapper/009:19:540
1603299100,9cyclictest0-21swapper/007:50:000
1603299100,9cyclictest0-21swapper/007:44:590
1603299100,8cyclictest0-21swapper/012:32:280
1603299100,8cyclictest0-21swapper/007:30:070
1603299100,7cyclictest6991-21mrtg07:54:590
1603299100,7cyclictest4548-21ls10:00:010
1603299100,7cyclictest17547-21munin-run10:40:000
1603299100,6cyclictest408650cat11:25:000
1603299100,4cyclictest0-21swapper/009:50:150
160749999,0cyclictest6190-21cat08:55:167
160749997,1cyclictest0-21swapper/710:54:217
160749991,7cyclictest0-21swapper/708:20:217
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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