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2026-09-07 - 04:50

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 Mon Sep 07, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219499840,4rtkit-daemon2193-21rtkit-daemon22:29:233
219499800,4rtkit-daemon2193-21rtkit-daemon20:43:423
219499770,4rtkit-daemon2193-21rtkit-daemon21:50:093
219499770,4rtkit-daemon2193-21rtkit-daemon19:57:213
138452770,7sleep013848-21sed18:40:340
219499760,6rtkit-daemon2193-21rtkit-daemon20:12:433
219499750,6rtkit-daemon2193-21rtkit-daemon20:15:203
219499740,6rtkit-daemon2193-21rtkit-daemon20:55:263
219499730,5rtkit-daemon2193-21rtkit-daemon20:26:423
219499730,5rtkit-daemon2193-21rtkit-daemon20:26:423
219499730,5rtkit-daemon2193-21rtkit-daemon19:19:533
60352720,3sleep041ktimersoftd/022:50:130
219499720,4rtkit-daemon2193-21rtkit-daemon18:33:393
219499710,5rtkit-daemon2193-21rtkit-daemon19:07:463
219499710,4rtkit-daemon2193-21rtkit-daemon20:48:123
1320199714,59cyclictest0-21swapper/120:20:171
1320199714,59cyclictest0-21swapper/120:20:171
219499700,5rtkit-daemon2193-21rtkit-daemon22:46:523
219499700,5rtkit-daemon2193-21rtkit-daemon21:27:253
219499700,5rtkit-daemon2193-21rtkit-daemon20:30:573
219499700,5rtkit-daemon2193-21rtkit-daemon18:50:313
219499700,5rtkit-daemon2193-21rtkit-daemon17:45:043
219499700,4rtkit-daemon2193-21rtkit-daemon22:01:093
219499700,4rtkit-daemon2193-21rtkit-daemon20:50:343
219499700,4rtkit-daemon2193-21rtkit-daemon19:43:143
219499700,4rtkit-daemon2193-21rtkit-daemon19:43:143
219499700,4rtkit-daemon2193-21rtkit-daemon18:46:313
219499690,5rtkit-daemon2193-21rtkit-daemon21:55:093
219499690,5rtkit-daemon2193-21rtkit-daemon21:21:103
219499690,5rtkit-daemon2193-21rtkit-daemon19:33:373
219499690,5rtkit-daemon2193-21rtkit-daemon18:09:103
219499690,5rtkit-daemon2193-21rtkit-daemon17:50:563
219499690,4rtkit-daemon2193-21rtkit-daemon21:31:553
219499690,4rtkit-daemon2193-21rtkit-daemon21:12:563
219499690,4rtkit-daemon2193-21rtkit-daemon18:18:023
219499690,4rtkit-daemon2193-21rtkit-daemon18:18:023
219499690,4rtkit-daemon2193-21rtkit-daemon18:02:113
219499690,4rtkit-daemon2193-21rtkit-daemon17:48:563
219499680,5rtkit-daemon2193-21rtkit-daemon22:35:303
219499680,5rtkit-daemon2193-21rtkit-daemon22:33:223
219499680,5rtkit-daemon2193-21rtkit-daemon17:55:483
219499680,4rtkit-daemon2193-21rtkit-daemon22:54:443
219499680,4rtkit-daemon2193-21rtkit-daemon22:40:303
219499680,4rtkit-daemon2193-21rtkit-daemon22:17:163
219499680,4rtkit-daemon2193-21rtkit-daemon22:11:233
219499680,4rtkit-daemon2193-21rtkit-daemon21:45:023
219499680,4rtkit-daemon2193-21rtkit-daemon21:43:473
219499680,4rtkit-daemon2193-21rtkit-daemon21:43:473
219499680,4rtkit-daemon2193-21rtkit-daemon20:09:283
219499680,4rtkit-daemon2193-21rtkit-daemon19:54:213
219499680,4rtkit-daemon2193-21rtkit-daemon19:37:593
219499680,4rtkit-daemon2193-21rtkit-daemon19:24:453
219499680,4rtkit-daemon2193-21rtkit-daemon18:56:533
219499680,4rtkit-daemon2193-21rtkit-daemon18:56:533
219499680,4rtkit-daemon2193-21rtkit-daemon18:11:253
1319999683,58cyclictest0-21swapper/021:44:340
1319999683,58cyclictest0-21swapper/021:44:340
219499670,5rtkit-daemon4827-21date18:25:023
219499670,5rtkit-daemon2193-21rtkit-daemon22:08:383
219499670,5rtkit-daemon2193-21rtkit-daemon18:27:553
219499670,4rtkit-daemon2193-21rtkit-daemon21:05:483
219499670,4rtkit-daemon2193-21rtkit-daemon21:05:483
219499670,4rtkit-daemon2193-21rtkit-daemon21:03:263
219499670,4rtkit-daemon2193-21rtkit-daemon18:39:543
219499660,5rtkit-daemon2193-21rtkit-daemon21:37:173
219499660,4rtkit-daemon2193-21rtkit-daemon23:03:143
219499660,4rtkit-daemon2193-21rtkit-daemon23:03:143
219499660,4rtkit-daemon2193-21rtkit-daemon22:58:443
219499660,4rtkit-daemon2193-21rtkit-daemon19:49:513
80282653,54sleep20-21swapper/218:30:212
219499650,11rtkit-daemon0-21swapper/318:42:543
1320199654,54cyclictest31481-21cut22:40:091
1320199654,54cyclictest0-21swapper/120:10:101
1320199654,53cyclictest0-21swapper/119:34:591
1319999652,57cyclictest0-21swapper/021:25:130
219499640,6rtkit-daemon0-21swapper/320:00:213
219499640,3rtkit-daemon34-21rcuc/319:00:163
1320299644,53cyclictest0-21swapper/221:03:272
1320199644,54cyclictest0-21swapper/120:45:291
219499630,12rtkit-daemon2193-21rtkit-daemon22:52:442
13202996338,11cyclictest0-21swapper/221:48:112
1320199634,52cyclictest0-21swapper/122:49:511
1320199633,53cyclictest0-21swapper/121:50:181
1319999633,52cyclictest0-21swapper/022:35:050
219499620,12rtkit-daemon2193-21rtkit-daemon19:07:162
219499620,12rtkit-daemon2193-21rtkit-daemon18:01:562
1320299624,41cyclictest0-21swapper/220:20:172
1320299624,41cyclictest0-21swapper/220:20:172
1320199625,50cyclictest0-21swapper/121:38:321
1320199624,51cyclictest0-21swapper/121:40:141
1320199624,51cyclictest0-21swapper/121:40:141
1320199624,51cyclictest0-21swapper/120:54:561
1320199624,51cyclictest0-21swapper/118:55:011
1319999623,53cyclictest0-21swapper/021:48:210
1319999623,53cyclictest0-21swapper/021:10:210
1319999623,53cyclictest0-21swapper/020:41:300
124342623,12sleep20-21swapper/223:00:122
124342623,12sleep20-21swapper/223:00:122
219499610,5rtkit-daemon0-21swapper/321:15:033
219499610,12rtkit-daemon2193-21rtkit-daemon22:36:222
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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