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2026-08-28 - 22:02

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 Fri Aug 28, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991010,10rtkit-daemon2193-21rtkit-daemon06:33:583
219499990,5rtkit-daemon2193-21rtkit-daemon06:21:432
219499990,4rtkit-daemon2193-21rtkit-daemon10:16:422
1329899993,12cyclictest0-21swapper/009:48:510
219499970,4rtkit-daemon2193-21rtkit-daemon08:55:452
219499960,5rtkit-daemon2193-21rtkit-daemon06:42:500
219499960,4rtkit-daemon2193-21rtkit-daemon08:35:162
219499960,4rtkit-daemon2193-21rtkit-daemon08:35:162
1330199964,27cyclictest0-21swapper/211:03:572
1330199953,36cyclictest0-21swapper/208:15:572
13301999515,23cyclictest0-21swapper/209:55:552
13301999515,23cyclictest0-21swapper/209:55:552
1329899954,14cyclictest0-21swapper/009:37:580
13301999419,10cyclictest8587-21gltestperf09:24:112
13301999419,10cyclictest24767-21telnet10:38:582
1330199936,31cyclictest1227-21runrttasks09:07:402
1329899934,13cyclictest0-21swapper/008:14:050
1330199929,30cyclictest107550irq/46-eth011:08:532
1330199923,32cyclictest6043-21diskmemload08:39:042
1329899929,65cyclictest0-21swapper/008:44:040
1329899924,13cyclictest0-21swapper/010:09:220
1329899924,12cyclictest0-21swapper/010:54:010
1329899923,66cyclictest19534-21ssh10:29:180
219499910,5rtkit-daemon2193-21rtkit-daemon10:57:033
219499910,5rtkit-daemon2193-21rtkit-daemon10:26:042
1330199914,25cyclictest0-21swapper/208:49:352
1330199914,12cyclictest0-21swapper/210:54:012
1329899914,13cyclictest0-21swapper/009:23:140
1329899913,13cyclictest0-21swapper/008:30:250
219499900,4rtkit-daemon2193-21rtkit-daemon09:19:293
219499900,4rtkit-daemon2193-21rtkit-daemon08:19:543
1330199905,24cyclictest0-21swapper/210:04:082
1330199905,12cyclictest0-21swapper/208:25:522
1330199904,26cyclictest0-21swapper/209:34:032
1329899906,8cyclictest18434-21ssh08:00:220
13298999019,65cyclictest1227-21runrttasks10:51:440
219499890,5rtkit-daemon2193-21rtkit-daemon06:55:423
1330199899,21cyclictest21320-21ssh09:44:052
1330199894,25cyclictest0-21swapper/208:47:372
1330199894,24cyclictest0-21swapper/207:54:052
1330199894,24cyclictest0-21swapper/207:54:052
1330199894,14cyclictest0-21swapper/210:01:072
1330199893,35cyclictest0-21swapper/210:59:022
1330199893,25cyclictest11014-21ssh07:49:262
1330199893,23cyclictest0-21swapper/209:29:192
1330199893,21cyclictest8911-21ssh07:47:412
1330199893,10cyclictest107550irq/46-eth008:04:242
13301998918,8cyclictest0-21swapper/210:34:212
13301998918,8cyclictest0-21swapper/210:34:212
1329899894,13cyclictest0-21swapper/009:25:580
1329899894,13cyclictest0-21swapper/007:46:070
1329899894,12cyclictest0-21swapper/008:06:030
1329899894,12cyclictest0-21swapper/007:49:020
1329899893,13cyclictest0-21swapper/007:34:150
1329899893,12cyclictest0-21swapper/010:26:060
1329899893,11cyclictest0-21swapper/007:19:080
1329899892,13cyclictest13515-21munin-node05:44:220
13298998913,57cyclictest0-21swapper/010:04:050
1330199885,25cyclictest0-21swapper/210:31:032
1330199885,12cyclictest31873-21diskstats10:49:062
1330199884,76cyclictest0-21swapper/207:59:072
1330199884,27cyclictest1124-21snmpd08:09:112
1330199884,14cyclictest0-21swapper/208:32:052
1330199884,13cyclictest0-21swapper/209:11:012
1330199883,20cyclictest1108-21ssh09:14:042
1330199883,20cyclictest1108-21ssh09:14:042
1329899884,65cyclictest0-21swapper/009:49:040
1329899884,13cyclictest0-21swapper/007:54:160
1329899884,13cyclictest0-21swapper/007:54:160
1329899884,11cyclictest0-21swapper/010:33:570
1329899884,11cyclictest0-21swapper/010:33:570
1329899883,13cyclictest0-21swapper/008:24:050
1330199874,33cyclictest0-21swapper/209:22:162
1330199874,26cyclictest0-21swapper/205:49:182
1330199874,26cyclictest0-21swapper/205:49:182
1330199874,12cyclictest0-21swapper/210:23:002
1329899874,13cyclictest0-21swapper/006:19:250
1329899874,12cyclictest0-21swapper/011:05:090
1329899874,12cyclictest0-21swapper/009:39:420
1329899873,67cyclictest0-21swapper/011:09:070
1329899873,66cyclictest0-21swapper/009:29:140
1329899873,65cyclictest0-21swapper/010:43:530
1329899873,62cyclictest0-21swapper/009:10:400
1329899873,13cyclictest0-21swapper/008:34:050
1329899873,13cyclictest0-21swapper/008:34:050
1329899873,13cyclictest0-21swapper/007:29:120
1329899873,12cyclictest0-21swapper/008:19:030
219499860,5rtkit-daemon2193-21rtkit-daemon08:19:092
1330199865,36cyclictest0-21swapper/206:59:212
1330199864,34cyclictest0-21swapper/206:39:242
1330199864,12cyclictest0-21swapper/205:44:172
13301998624,16cyclictest0-21swapper/207:04:202
13301998621,13cyclictest0-21swapper/210:09:132
1329899866,10cyclictest0-21swapper/008:42:400
1329899865,12cyclictest0-21swapper/008:55:160
1329899865,12cyclictest0-21swapper/005:54:130
1329899864,59cyclictest0-21swapper/009:04:050
1329899863,9cyclictest17605-21grep05:49:330
1329899863,9cyclictest17605-21grep05:49:330
1329899863,13cyclictest25659-21wc10:39:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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