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2026-06-04 - 06:27

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 Jun 04, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991410,7rtkit-daemon0-21swapper/122:37:202
15590991035,51cyclictest0-21swapper/222:42:482
15590991035,48cyclictest0-21swapper/222:09:462
15585991034,48cyclictest0-21swapper/022:24:310
15585991034,48cyclictest0-21swapper/022:24:310
155859910315,34cyclictest0-21swapper/022:19:430
155909910125,31cyclictest909-21crond21:39:152
155859910138,14cyclictest0-21swapper/023:14:260
15585999838,12cyclictest0-21swapper/022:34:140
219499970,5rtkit-daemon0-21swapper/119:04:511
15585999638,12cyclictest0-21swapper/021:49:320
15585999538,12cyclictest0-21swapper/022:04:280
219499920,7rtkit-daemon0-21swapper/122:37:121
219499910,6rtkit-daemon0-21swapper/322:21:133
1559199914,9cyclictest20689-21proc_pri23:29:403
1559199908,58cyclictest0-21swapper/300:10:183
1559199903,58cyclictest192901diskmemload00:00:053
1559199903,50cyclictest0-21swapper/322:24:233
1559199903,50cyclictest0-21swapper/322:24:233
219499890,5rtkit-daemon2193-21rtkit-daemon21:51:373
1559199889,58cyclictest16238-21munin-node22:34:463
1559199874,59cyclictest0-21swapper/323:34:363
1559199874,11cyclictest0-21swapper/323:45:403
1559199873,76cyclictest0-21swapper/321:31:213
1559199873,11cyclictest0-21swapper/320:44:183
15591998713,45cyclictest226921ssh21:58:383
15591998712,68cyclictest25462-21gltestperf22:49:313
219499860,4rtkit-daemon2193-21rtkit-daemon20:08:333
1559199864,74cyclictest0-21swapper/321:24:393
1559199863,70cyclictest0-21swapper/322:09:443
1559199863,58cyclictest26023-21ssh00:24:483
15591998610,68cyclictest0-21swapper/322:59:313
1559199858,54cyclictest0-21swapper/300:21:583
1559199853,60cyclictest29390-21runrttasks22:08:323
1559199853,60cyclictest0-21swapper/323:15:363
1559199853,60cyclictest0-21swapper/322:03:283
15591998520,43cyclictest0-21swapper/323:20:223
15591998510,57cyclictest0-21swapper/321:46:133
1559199847,53cyclictest0-21swapper/300:09:063
1559199845,69cyclictest0-21swapper/322:39:403
1559199844,61cyclictest0-21swapper/321:04:453
1559199844,61cyclictest0-21swapper/321:04:453
1559199844,14cyclictest0-21swapper/320:44:403
1559199843,9cyclictest18201-21cut00:14:293
15591998411,51cyclictest0-21swapper/321:35:163
1559199834,64cyclictest0-21swapper/323:42:393
1559199834,61cyclictest15920-21munin-node23:24:273
1559199834,58cyclictest0-21swapper/322:14:343
1559199834,56cyclictest0-21swapper/321:21:383
1559199834,54cyclictest0-21swapper/323:54:433
1559199833,58cyclictest0-21swapper/322:29:263
1559199833,56cyclictest0-21swapper/319:55:573
1559199832,62cyclictest28245-21ssh22:54:263
1559199825,58cyclictest0-21swapper/320:11:003
1559199824,70cyclictest0-21swapper/321:39:343
1559199824,12cyclictest0-21swapper/323:09:453
1559199823,63cyclictest0-21swapper/323:53:373
1559199823,57cyclictest0-21swapper/323:06:063
1559199823,57cyclictest0-21swapper/323:06:063
1559199823,56cyclictest0-21swapper/321:16:433
1559199823,56cyclictest0-21swapper/319:10:493
1559199823,10cyclictest0-21swapper/320:02:193
1559199804,67cyclictest0-21swapper/321:09:493
1559199804,55cyclictest0-21swapper/322:44:203
1559199803,53cyclictest0-21swapper/300:29:103
1559199803,53cyclictest0-21swapper/300:29:103
1559199793,12cyclictest0-21swapper/320:34:243
1559199784,9cyclictest10268-21crond20:34:183
1559199784,61cyclictest0-21swapper/320:24:263
1559199784,61cyclictest0-21swapper/320:24:263
252952770,2sleep041ktimersoftd/000:24:340
1559199774,51cyclictest0-21swapper/319:20:513
1559199773,12cyclictest0-21swapper/319:04:223
1559199773,12cyclictest0-21swapper/319:04:223
1559199763,8cyclictest30558-21munin-run19:54:203
1559199763,8cyclictest1227-21runrttasks20:16:533
15590997643,15cyclictest0-21swapper/221:05:402
15590997643,15cyclictest0-21swapper/221:05:402
1559199754,55cyclictest0-21swapper/320:55:523
73012740,6sleep07300-21kernelversion21:34:380
1559199744,55cyclictest0-21swapper/319:14:493
219499730,9rtkit-daemon0-21swapper/119:09:432
1559199734,50cyclictest0-21swapper/319:33:553
1559199733,8cyclictest7140-21taskset20:22:373
1559199725,11cyclictest0-21swapper/319:25:523
1559199723,62cyclictest0-21swapper/319:34:283
1559199723,61cyclictest19016-21sshd21:00:523
1559199723,60cyclictest16933-21chrt19:04:463
219499710,6rtkit-daemon2193-21rtkit-daemon22:14:282
1559199713,23cyclictest0-21swapper/320:52:013
219499700,6rtkit-daemon0-21swapper/121:10:380
1559199703,10cyclictest0-21swapper/319:40:223
15591997020,42cyclictest29485-21unixbench_multi19:44:483
15591997020,42cyclictest29485-21unixbench_multi19:44:483
219499690,5rtkit-daemon2193-21rtkit-daemon21:42:522
15590996938,14cyclictest0-21swapper/223:59:272
219499670,6rtkit-daemon2193-21rtkit-daemon20:59:012
1559099674,54cyclictest0-21swapper/222:49:322
219499660,6rtkit-daemon2193-21rtkit-daemon21:25:002
1559099654,50cyclictest27666-21kworker/2:223:14:442
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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