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2026-07-17 - 01:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #1, slot #6

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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  Intel
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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot6s.osadl.org (updated Thu Jul 16, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36669911525,24cyclictest5838-21cpu10:04:282
3664991154,102cyclictest0-21swapper/008:04:480
3664991114,60cyclictest0-21swapper/010:24:470
3664991114,60cyclictest0-21swapper/010:24:470
3664991114,58cyclictest0-21swapper/009:54:500
3664991093,54cyclictest0-21swapper/010:29:280
36649910633,13cyclictest0-21swapper/011:04:260
36669910441,12cyclictest0-21swapper/209:19:182
36669910232,13cyclictest0-21swapper/209:21:512
3664991013,55cyclictest0-21swapper/010:04:490
3666999731,13cyclictest0-21swapper/211:16:022
366499964,56cyclictest0-21swapper/008:54:330
366499933,53cyclictest24662-21ssh09:44:460
219499910,5rtkit-daemon2193-21rtkit-daemon06:54:412
219499910,5rtkit-daemon2193-21rtkit-daemon06:51:563
219499900,5rtkit-daemon2193-21rtkit-daemon07:09:402
366699884,30cyclictest0-21swapper/210:24:342
366699884,30cyclictest0-21swapper/210:24:342
219499880,5rtkit-daemon2193-21rtkit-daemon09:03:132
219499870,5rtkit-daemon2193-21rtkit-daemon08:41:222
219499870,5rtkit-daemon2193-21rtkit-daemon06:28:273
219499860,5rtkit-daemon2193-21rtkit-daemon06:49:562
219499850,5rtkit-daemon2193-21rtkit-daemon07:36:173
219499850,4rtkit-daemon2193-21rtkit-daemon07:57:313
219499850,4rtkit-daemon2193-21rtkit-daemon06:56:413
219499840,5rtkit-daemon2193-21rtkit-daemon08:45:593
219499840,5rtkit-daemon2193-21rtkit-daemon06:46:563
219499840,4rtkit-daemon2193-21rtkit-daemon09:21:203
219499830,5rtkit-daemon2193-21rtkit-daemon06:59:333
219499830,4rtkit-daemon2193-21rtkit-daemon08:42:523
219499830,4rtkit-daemon2193-21rtkit-daemon08:02:233
219499830,4rtkit-daemon2193-21rtkit-daemon07:54:093
219499830,4rtkit-daemon2193-21rtkit-daemon07:33:093
219499830,4rtkit-daemon2193-21rtkit-daemon07:20:323
219499820,5rtkit-daemon2193-21rtkit-daemon06:37:273
219499820,4rtkit-daemon2193-21rtkit-daemon09:12:283
219499820,4rtkit-daemon2193-21rtkit-daemon08:59:063
219499820,4rtkit-daemon2193-21rtkit-daemon08:21:453
219499820,4rtkit-daemon2193-21rtkit-daemon08:14:233
219499820,4rtkit-daemon2193-21rtkit-daemon07:47:243
219499820,4rtkit-daemon2193-21rtkit-daemon07:47:243
219499820,4rtkit-daemon2193-21rtkit-daemon07:42:473
219499820,4rtkit-daemon2193-21rtkit-daemon07:27:173
219499820,4rtkit-daemon2193-21rtkit-daemon07:09:483
219499820,4rtkit-daemon2193-21rtkit-daemon07:07:403
219499820,4rtkit-daemon2193-21rtkit-daemon07:07:403
219499820,4rtkit-daemon2193-21rtkit-daemon06:41:043
219499820,4rtkit-daemon2193-21rtkit-daemon06:32:423
219499810,5rtkit-daemon2193-21rtkit-daemon08:36:143
219499810,5rtkit-daemon2193-21rtkit-daemon08:07:083
219499810,4rtkit-daemon2193-21rtkit-daemon09:17:203
219499810,4rtkit-daemon2193-21rtkit-daemon08:52:513
219499810,4rtkit-daemon2193-21rtkit-daemon08:30:373
219499810,4rtkit-daemon2193-21rtkit-daemon08:09:533
219499800,4rtkit-daemon2193-21rtkit-daemon09:00:213
219499800,4rtkit-daemon2193-21rtkit-daemon07:19:023
219499790,4rtkit-daemon2193-21rtkit-daemon09:07:283
219499790,4rtkit-daemon2193-21rtkit-daemon09:07:283
219499790,4rtkit-daemon2193-21rtkit-daemon08:25:373
219499790,4rtkit-daemon2193-21rtkit-daemon08:25:373
366499724,61cyclictest0-21swapper/009:24:520
3666997140,13cyclictest0-21swapper/210:04:162
366799708,51cyclictest0-21swapper/311:24:143
366599693,58cyclictest0-21swapper/110:29:451
366499683,57cyclictest0-21swapper/009:18:220
3666996738,13cyclictest0-21swapper/209:09:462
366499674,55cyclictest0-21swapper/009:24:190
262742678,51sleep20-21swapper/209:48:252
102182673,57sleep10-21swapper/111:37:421
366599665,52cyclictest0-21swapper/109:54:441
3665996619,41cyclictest0-21swapper/110:39:261
366499663,55cyclictest0-21swapper/011:09:250
366499663,55cyclictest0-21swapper/011:09:250
366799654,46cyclictest0-21swapper/311:47:483
366799654,46cyclictest0-21swapper/311:47:483
3666996540,11cyclictest0-21swapper/208:34:152
366599655,52cyclictest18286-21perl11:04:311
3666996435,14cyclictest0-21swapper/208:50:182
3666996434,14cyclictest0-21swapper/211:39:012
366599644,51cyclictest0-21swapper/109:04:331
366599644,51cyclictest0-21swapper/109:04:331
366499644,52cyclictest0-21swapper/008:24:320
366499644,52cyclictest0-21swapper/008:24:320
366499643,55cyclictest0-21swapper/007:33:500
366499643,54cyclictest0-21swapper/009:33:150
366499643,54cyclictest0-21swapper/009:04:410
366499643,54cyclictest0-21swapper/009:04:410
366499643,53cyclictest0-21swapper/011:34:320
366499643,53cyclictest0-21swapper/008:59:410
219499640,4rtkit-daemon2193-21rtkit-daemon08:06:382
366599636,49cyclictest12446-21memory08:44:441
366599634,52cyclictest0-21swapper/111:33:541
366599633,54cyclictest0-21swapper/110:27:171
366599633,54cyclictest0-21swapper/110:27:171
219499630,7rtkit-daemon0-21swapper/208:30:071
219499630,5rtkit-daemon2193-21rtkit-daemon09:06:132
219499630,5rtkit-daemon2193-21rtkit-daemon09:06:132
219499630,5rtkit-daemon2193-21rtkit-daemon07:52:392
219499630,5rtkit-daemon12260-21strings06:39:491
3666996234,13cyclictest0-21swapper/209:31:332
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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