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2026-07-06 - 03:35

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #3

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.
Unexpectedly long latencies may be caused by SMIs
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 rack5slot3s.osadl.org (updated Mon Jul 06, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155522238163,24sleep30-21swapper/319:08:343
154262236165,24sleep20-21swapper/219:06:562
153462202166,24sleep10-21swapper/119:05:541
154092201164,25sleep00-21swapper/019:06:420
15756997774,2cyclictest0-21swapper/222:38:022
207672500,1sleep30-21swapper/320:30:243
282082450,2sleep04460-21diskmemload00:30:120
1575299381,24cyclictest0-21swapper/123:19:351
1575299380,32cyclictest0-21swapper/122:33:591
1575299361,25cyclictest0-21swapper/100:15:331
1576299351,11cyclictest0-21swapper/323:28:193
1575299351,21cyclictest5756-21ntp_states21:10:211
1575299351,21cyclictest5756-21ntp_states21:10:211
1574499356,14cyclictest23023-21idleruntime-cro19:25:010
1574499355,14cyclictest20820-21munin-run19:20:010
1576299331,23cyclictest4460-21diskmemload23:42:433
1576299331,12cyclictest0-21swapper/321:38:393
1576299331,11cyclictest0-21swapper/322:09:353
1576299330,23cyclictest0-21swapper/300:18:113
15752993320,5cyclictest0-21swapper/123:09:231
1575299331,23cyclictest0-21swapper/119:37:111
1576299321,10cyclictest0-21swapper/322:20:033
1575299321,9cyclictest0-21swapper/120:56:511
1575299321,22cyclictest0-21swapper/122:14:131
1574499324,20cyclictest5351-21kworker/0:023:44:050
1576299311,13cyclictest0-21swapper/300:21:123
1575299311,23cyclictest0-21swapper/123:12:071
1575299311,11cyclictest0-21swapper/120:36:271
1575299310,24cyclictest0-21swapper/123:53:451
15744993118,4cyclictest0-21swapper/023:52:580
1576299301,12cyclictest0-21swapper/321:54:513
1576299300,17cyclictest0-21swapper/322:15:033
1575299301,20cyclictest0-21swapper/119:26:431
1575299301,18cyclictest0-21swapper/120:28:351
1575299301,17cyclictest0-21swapper/120:20:231
1575299301,15cyclictest0-21swapper/119:58:591
1575299301,12cyclictest0-21swapper/123:25:351
1575299301,10cyclictest0-21swapper/119:10:451
1575299300,18cyclictest0-21swapper/121:44:191
1575299300,12cyclictest0-21swapper/123:47:111
1576299291,9cyclictest0-21swapper/323:46:273
15752992914,6cyclictest0-21swapper/100:25:311
1575299291,18cyclictest0-21swapper/119:47:271
1575299291,17cyclictest0-21swapper/119:40:431
1575299290,19cyclictest0-21swapper/121:15:231
1575299290,17cyclictest0-21swapper/123:20:111
1575299290,17cyclictest0-21swapper/121:20:231
1575299290,11cyclictest0-21swapper/121:47:031
1574499294,12cyclictest8867-21basename21:20:010
1574499293,13cyclictest14842-21idleruntime-cro20:20:010
1574499292,10cyclictest29166-21kworker/0:123:35:110
1574499292,10cyclictest29166-21kworker/0:123:35:110
1574499291,13cyclictest17925-21munin-run19:15:010
1576299289,3cyclictest0-21swapper/319:50:453
1576299281,18cyclictest0-21swapper/321:03:553
1576299280,9cyclictest0-21swapper/322:30:513
1576299280,10cyclictest0-21swapper/322:44:313
1576299280,10cyclictest0-21swapper/319:55:033
1575299289,9cyclictest0-21swapper/100:31:291
1575299289,4cyclictest27344-21hddtemp_smartct22:00:171
1575299281,8cyclictest0-21swapper/122:49:591
1575299281,3cyclictest0-21swapper/120:15:231
1575299281,21cyclictest0-21swapper/100:20:031
1575299281,17cyclictest0-21swapper/119:19:271
1575299281,14cyclictest0-21swapper/122:22:031
1575299281,10cyclictest0-21swapper/119:21:411
1575299280,9cyclictest0-21swapper/120:34:431
1575299280,20cyclictest0-21swapper/122:26:391
1575299280,20cyclictest0-21swapper/122:26:391
1575299280,17cyclictest0-21swapper/123:42:551
1575299280,10cyclictest0-21swapper/121:57:591
1576299275,3cyclictest0-21swapper/320:59:513
1576299271,10cyclictest0-21swapper/323:35:033
1576299271,10cyclictest0-21swapper/323:35:033
1576299271,10cyclictest0-21swapper/319:33:273
1576299271,10cyclictest0-21swapper/319:16:313
1576299270,9cyclictest0-21swapper/322:12:593
1576299270,12cyclictest0-21swapper/322:27:273
1576299270,12cyclictest0-21swapper/322:27:273
1576299270,12cyclictest0-21swapper/300:39:313
1575299277,13cyclictest0-21swapper/100:08:091
1575299271,9cyclictest0-21swapper/122:18:031
1575299271,9cyclictest0-21swapper/119:50:471
1575299271,11cyclictest0-21swapper/119:31:091
1575299271,10cyclictest0-21swapper/100:37:531
15752992710,9cyclictest0-21swapper/121:50:491
1575299270,7cyclictest0-21swapper/120:50:551
1575299270,12cyclictest0-21swapper/122:42:311
1575299270,11cyclictest0-21swapper/122:08:311
15744992718,2cyclictest0-21swapper/022:55:160
1576299269,4cyclictest0-21swapper/322:35:163
1576299266,3cyclictest0-21swapper/320:21:053
1576299266,3cyclictest0-21swapper/319:45:573
1576299261,9cyclictest0-21swapper/321:09:113
1576299261,9cyclictest0-21swapper/320:13:073
1576299261,8cyclictest0-21swapper/322:53:413
1576299261,11cyclictest0-21swapper/319:14:073
1576299261,10cyclictest0-21swapper/320:02:073
1576299261,10cyclictest0-21swapper/320:02:073
1576299260,9cyclictest0-21swapper/300:10:113
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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