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2026-07-02 - 12:32

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 02, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991020,9rtkit-daemon0-21swapper/122:18:501
2194991020,9rtkit-daemon0-21swapper/118:48:141
2194991020,6rtkit-daemon18-21rcuc/121:40:593
2194991010,7rtkit-daemon0-21swapper/100:03:161
4736991004,25cyclictest0-21swapper/220:57:192
4736999910,65cyclictest0-21swapper/223:28:122
4736999820,10cyclictest10826-21ssh23:18:212
219499970,7rtkit-daemon0-21swapper/122:03:061
219499970,7rtkit-daemon0-21swapper/121:03:531
473699965,18cyclictest0-21swapper/221:23:272
219499960,7rtkit-daemon0-21swapper/121:40:141
219499960,6rtkit-daemon0-21swapper/121:53:141
473699954,25cyclictest0-21swapper/221:32:182
219499950,6rtkit-daemon0-21swapper/121:31:001
219499950,6rtkit-daemon0-21swapper/121:01:381
219499950,6rtkit-daemon0-21swapper/119:13:431
219499950,6rtkit-daemon0-21swapper/119:00:211
219499950,6rtkit-daemon0-21swapper/118:43:361
219499950,5rtkit-daemon0-21swapper/100:01:011
473699944,26cyclictest0-21swapper/221:45:052
4736999421,9cyclictest15233-21ssh21:03:112
219499940,7rtkit-daemon0-21swapper/119:18:201
219499940,6rtkit-daemon0-21swapper/122:15:061
219499940,6rtkit-daemon0-21swapper/121:52:291
219499940,6rtkit-daemon0-21swapper/121:52:291
219499940,6rtkit-daemon0-21swapper/121:33:001
219499940,6rtkit-daemon0-21swapper/121:21:231
219499940,6rtkit-daemon0-21swapper/121:15:381
219499940,6rtkit-daemon0-21swapper/120:56:241
219499940,6rtkit-daemon0-21swapper/120:24:021
219499940,6rtkit-daemon0-21swapper/119:04:061
219499940,6rtkit-daemon0-21swapper/119:04:061
473699935,29cyclictest0-21swapper/222:43:072
473699935,21cyclictest0-21swapper/221:49:122
473699935,21cyclictest0-21swapper/221:49:122
473699934,25cyclictest0-21swapper/220:43:162
219499930,7rtkit-daemon0-21swapper/119:23:121
219499930,6rtkit-daemon0-21swapper/118:41:141
219499930,5rtkit-daemon12275-21kworker/1:221:10:311
219499930,5rtkit-daemon12275-21kworker/1:221:10:311
473699928,19cyclictest0-21swapper/223:08:072
473699924,25cyclictest0-21swapper/223:58:222
473699924,23cyclictest24842-21chrt21:17:442
473699924,22cyclictest23697-21ssh22:03:092
473699924,21cyclictest10473-21ssh22:31:272
4736999219,13cyclictest0-21swapper/223:32:562
4736999217,13cyclictest0-21swapper/223:23:192
4736999211,19cyclictest0-21swapper/222:01:412
219499920,7rtkit-daemon0-21swapper/119:10:051
219499920,6rtkit-daemon0-21swapper/123:57:021
219499920,6rtkit-daemon0-21swapper/123:57:021
219499920,6rtkit-daemon0-21swapper/123:50:241
219499920,6rtkit-daemon0-21swapper/121:59:211
219499920,5rtkit-daemon29311-21sh21:23:151
4736999119,13cyclictest0-21swapper/221:22:562
219499910,6rtkit-daemon0-21swapper/120:33:321
473699903,79cyclictest11992-21gltestperf22:33:132
473699903,79cyclictest11992-21gltestperf22:33:132
473699896,74cyclictest0-21swapper/221:57:212
473699894,76cyclictest6221-21grep22:23:262
473699894,76cyclictest0-21swapper/222:13:202
473699894,26cyclictest0-21swapper/222:58:042
473699894,25cyclictest0-21swapper/221:08:072
473699894,25cyclictest0-21swapper/221:08:072
473699894,23cyclictest30495-21ssh23:48:102
473699893,66cyclictest0-21swapper/200:05:032
4736998926,56cyclictest0-21swapper/223:53:232
4736998926,56cyclictest0-21swapper/223:53:232
473699885,25cyclictest0-21swapper/220:58:572
4736998821,11cyclictest0-21swapper/220:09:502
473699876,72cyclictest0-21swapper/223:03:222
473699874,25cyclictest0-21swapper/220:52:562
473699873,74cyclictest0-21swapper/223:16:212
473699873,74cyclictest0-21swapper/223:16:212
4736998720,9cyclictest107550irq/46-eth022:18:122
473199873,13cyclictest0-21swapper/022:07:110
473699865,74cyclictest0-21swapper/220:39:262
473699865,25cyclictest0-21swapper/222:50:112
473699864,25cyclictest0-21swapper/223:39:052
473699864,25cyclictest0-21swapper/222:12:302
473699864,24cyclictest0-21swapper/222:53:182
473699864,12cyclictest0-21swapper/221:38:252
473199863,12cyclictest0-21swapper/000:03:050
473699856,72cyclictest0-21swapper/218:48:302
473699855,72cyclictest0-21swapper/222:42:192
473699854,73cyclictest0-21swapper/221:33:182
4736998527,50cyclictest0-21swapper/219:58:002
473699844,73cyclictest0-21swapper/219:03:212
473699844,73cyclictest0-21swapper/219:03:212
473699844,27cyclictest0-21swapper/219:08:372
473699833,71cyclictest10877-21munin-node19:58:272
4736998220,14cyclictest0-21swapper/223:43:062
473699805,67cyclictest0-21swapper/220:03:192
473699794,25cyclictest0-21swapper/218:43:172
473699794,13cyclictest0-21swapper/219:43:282
473699785,64cyclictest0-21swapper/220:25:322
473699785,23cyclictest0-21swapper/220:16:442
473699784,24cyclictest0-21swapper/220:21:272
473699783,67cyclictest0-21swapper/220:28:132
473699783,67cyclictest0-21swapper/220:28:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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