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2026-08-04 - 20:42

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 Tue Aug 04, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2021499973,76cyclictest0-21swapper/208:26:482
20215999520,13cyclictest0-21swapper/311:03:233
2021599948,24cyclictest0-21swapper/309:26:263
2021599924,23cyclictest0-21swapper/310:06:453
20215999127,11cyclictest2220-21udisks-daemon09:45:123
20215999125,13cyclictest0-21swapper/310:46:523
20215999119,21cyclictest1197-21nfs_client06:31:593
20215999119,21cyclictest1197-21nfs_client06:31:593
2021599904,26cyclictest0-21swapper/306:21:443
2021499903,70cyclictest0-21swapper/208:42:212
2021599894,30cyclictest0-21swapper/309:36:523
2021499894,66cyclictest0-21swapper/211:16:342
2021499884,77cyclictest0-21swapper/208:56:452
2021499884,64cyclictest0-21swapper/208:47:332
2021499883,78cyclictest0-21swapper/209:02:322
2021499883,77cyclictest0-21swapper/210:00:012
2021499883,77cyclictest0-21swapper/210:00:012
2021499883,67cyclictest0-21swapper/210:11:392
2021499883,67cyclictest0-21swapper/208:22:162
2021599875,15cyclictest0-21swapper/309:48:403
2021499874,77cyclictest0-21swapper/208:55:522
2021499874,66cyclictest0-21swapper/210:45:132
2021499874,54cyclictest0-21swapper/211:01:412
2021499873,76cyclictest0-21swapper/209:21:292
2021499873,65cyclictest0-21swapper/209:39:432
219499860,6rtkit-daemon0-21swapper/010:18:540
2021499867,62cyclictest0-21swapper/207:46:422
2021499865,73cyclictest16431-21sh10:36:462
2021499865,73cyclictest16431-21sh10:36:462
2021499864,75cyclictest0-21swapper/208:35:492
2021499864,65cyclictest0-21swapper/210:18:542
2021499863,76cyclictest0-21swapper/208:14:202
2021499863,64cyclictest0-21swapper/209:41:482
2021499854,57cyclictest0-21swapper/208:20:382
2021499853,75cyclictest1124-21snmpd09:15:282
2021499853,75cyclictest0-21swapper/210:26:492
2021499853,62cyclictest0-21swapper/207:36:292
2021499845,71cyclictest0-21swapper/211:15:042
2021499845,71cyclictest0-21swapper/211:15:042
2021499844,63cyclictest0-21swapper/210:31:372
2021499843,65cyclictest0-21swapper/209:30:302
2021499843,61cyclictest1080-21lldpd10:54:012
2021499843,60cyclictest0-21swapper/211:31:292
2021499837,60cyclictest0-21swapper/209:16:472
2021499837,60cyclictest0-21swapper/209:16:472
2021499834,71cyclictest0-21swapper/210:56:442
2021499825,58cyclictest0-21swapper/208:38:162
2021499825,58cyclictest0-21swapper/208:38:162
2021499824,59cyclictest0-21swapper/210:46:352
2021499824,58cyclictest0-21swapper/209:35:302
2021499823,72cyclictest0-21swapper/210:23:132
2021499823,72cyclictest0-21swapper/210:06:362
2021499823,72cyclictest0-21swapper/210:04:542
219499810,4rtkit-daemon2193-21rtkit-daemon08:26:210
2021499814,69cyclictest0-21swapper/206:41:512
2021499813,69cyclictest0-21swapper/209:06:392
2021499813,61cyclictest3194-21cpuspeed_turbos11:06:352
2021499804,69cyclictest0-21swapper/211:21:542
2021499804,69cyclictest0-21swapper/209:56:192
2021499804,69cyclictest0-21swapper/207:16:472
2021499804,69cyclictest0-21swapper/207:16:472
2021499804,58cyclictest0-21swapper/208:06:532
2021499803,69cyclictest17028-21ssh11:26:452
2021499794,68cyclictest0-21swapper/207:56:482
2021499794,67cyclictest0-21swapper/207:46:292
2021499794,67cyclictest0-21swapper/206:26:442
2021499793,69cyclictest0-21swapper/209:46:452
2021499793,69cyclictest0-21swapper/206:56:592
2021499784,57cyclictest0-21swapper/206:36:492
2021499782,59cyclictest0-21swapper/207:06:442
219499770,5rtkit-daemon2193-21rtkit-daemon08:30:283
2021499774,66cyclictest0-21swapper/207:56:292
2021499774,66cyclictest0-21swapper/206:17:002
2021499774,60cyclictest32424-21taskset06:31:442
2021499774,60cyclictest32424-21taskset06:31:442
2021499774,56cyclictest0-21swapper/206:16:322
20214997724,30cyclictest0-21swapper/208:06:292
2021499764,66cyclictest0-21swapper/207:40:122
2021499754,65cyclictest0-21swapper/207:11:472
2021499744,53cyclictest0-21swapper/207:05:072
2021499744,45cyclictest0-21swapper/207:22:002
2021499742,65cyclictest0-21swapper/206:51:532
219499730,5rtkit-daemon2193-21rtkit-daemon10:21:093
2021499714,53cyclictest0-21swapper/207:26:502
2021499714,49cyclictest0-21swapper/206:46:502
2021499713,60cyclictest20198-21munin-run06:06:332
20214997033,31cyclictest20593-21cpu06:06:462
2021499703,50cyclictest27588-21munin-node06:21:502
20210997035,12cyclictest0-21swapper/007:41:290
248732680,7sleep124876-21cat08:22:021
219499670,6rtkit-daemon2193-21rtkit-daemon10:03:023
219499670,6rtkit-daemon0-21swapper/010:12:160
219499670,6rtkit-daemon0-21swapper/008:34:050
219499670,5rtkit-daemon0-21swapper/010:22:230
219499660,7rtkit-daemon0-21swapper/009:57:170
219499660,7rtkit-daemon0-21swapper/009:57:170
219499660,6rtkit-daemon0-21swapper/011:12:290
219499660,6rtkit-daemon0-21swapper/011:12:290
219499660,5rtkit-daemon2193-21rtkit-daemon11:35:583
219499650,7rtkit-daemon0-21swapper/006:25:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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