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2025-05-23 - 10:38

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 50 highest latencies:
System rack0slot1s.osadl.org (updated Fri May 23, 2025 00:45:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2086199135134,0cyclictest37-21ksoftirqd/320:12:413
2085499135129,5cyclictest29-21ksoftirqd/220:23:312
2088699133130,2cyclictest0-21swapper/722:11:097
2088699133130,2cyclictest0-21swapper/720:27:017
20879991330,132cyclictest0-21swapper/622:55:076
2085499133127,5cyclictest29-21ksoftirqd/222:54:532
2088699131126,4cyclictest69-21ksoftirqd/723:13:167
2088699129126,2cyclictest0-21swapper/723:50:197
20873991290,128cyclictest0-21swapper/521:08:555
2086699129127,1cyclictest0-21swapper/419:12:514
20866991290,128cyclictest0-21swapper/419:33:524
20866991290,128cyclictest0-21swapper/400:36:204
2085499129127,1cyclictest29-21ksoftirqd/200:21:502
20886991280,1cyclictest0-21swapper/719:10:017
2087999128126,1cyclictest0-21swapper/621:00:526
2086699128125,2cyclictest0-21swapper/422:54:574
2085499128126,1cyclictest0-21swapper/200:17:352
2084899128127,1cyclictest0-21swapper/120:26:161
2087999127125,1cyclictest18821-21chk_conn_tcp20:15:236
2087399127125,1cyclictest0-21swapper/522:05:395
2087399127123,3cyclictest53-21ksoftirqd/520:21:465
20866991271,125cyclictest0-21swapper/420:28:434
2086199127126,0cyclictest37-21ksoftirqd/300:03:423
20886991260,1cyclictest0-21swapper/721:30:047
2087399126123,2cyclictest0-21swapper/523:02:425
2086199126126,0cyclictest37-21ksoftirqd/321:50:033
2085499126125,0cyclictest29-21ksoftirqd/222:33:122
2087999125124,1cyclictest0-21swapper/622:01:146
20879991250,124cyclictest0-21swapper/622:41:136
2085499125124,0cyclictest29-21ksoftirqd/221:05:172
2084899125125,0cyclictest21-21ksoftirqd/121:58:371
2084899125124,1cyclictest0-21swapper/121:44:001
20866991240,1cyclictest0-21swapper/422:19:504
2085499124124,0cyclictest29-21ksoftirqd/223:36:482
2085499124124,0cyclictest29-21ksoftirqd/223:36:482
2085499124122,1cyclictest29-21ksoftirqd/222:40:142
20854991240,123cyclictest0-21swapper/219:29:102
2084899124124,0cyclictest21-21ksoftirqd/123:01:381
2083799124122,1cyclictest3-21ksoftirqd/000:22:050
2087999123121,1cyclictest31209-21chk_conn_tcp19:48:466
2087999123121,1cyclictest31209-21chk_conn_tcp19:48:456
2087999123121,1cyclictest17906-21chk_conn_tcp22:49:226
2087999123120,2cyclictest0-21swapper/623:52:056
2087399123121,1cyclictest53-21ksoftirqd/523:57:155
2088699122120,1cyclictest28435-21chk_conn_tcp23:18:527
2087999122121,1cyclictest0-21swapper/622:16:346
20879991220,2cyclictest0-21swapper/600:11:086
2086199122120,1cyclictest37-21ksoftirqd/300:29:493
2085499122120,1cyclictest29-21ksoftirqd/223:58:402
2084899122121,1cyclictest0-21swapper/120:36:291
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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