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2026-08-10 - 23:59

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 Aug 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69221460,8sleep00-21swapper/007:51:030
12580991084,12cyclictest0-21swapper/011:01:040
1874621010,13sleep01258099cyclictest06:11:190
219499820,5rtkit-daemon2193-21rtkit-daemon07:06:103
219499700,6rtkit-daemon0-21swapper/106:01:270
219499700,5rtkit-daemon23645-21ntpdc08:26:140
12584997017,36cyclictest0-21swapper/308:12:523
219499650,15rtkit-daemon2193-21rtkit-daemon07:42:083
1258399655,53cyclictest0-21swapper/209:16:182
1258399654,53cyclictest0-21swapper/208:44:422
219499640,8rtkit-daemon2193-21rtkit-daemon08:06:073
219499640,6rtkit-daemon0-21swapper/208:23:293
219499620,13rtkit-daemon2193-21rtkit-daemon07:51:083
1258399623,51cyclictest0-21swapper/209:11:202
12582996226,12cyclictest0-21swapper/110:51:011
300962610,9sleep20-21swapper/209:26:042
1258499614,37cyclictest1227-21runrttasks11:25:053
1258499614,37cyclictest1227-21runrttasks11:25:053
1258399613,40cyclictest0-21swapper/210:24:572
1258099614,47cyclictest0-21swapper/010:06:120
1258499607,45cyclictest1711-21ntp_offset09:31:143
1258499604,48cyclictest0-21swapper/309:29:383
12584996020,25cyclictest15016-21fschecks_time10:41:033
1258399604,9cyclictest1227-21runrttasks11:12:162
1258399604,49cyclictest0-21swapper/208:31:112
1258399604,49cyclictest0-21swapper/208:31:112
1258399604,49cyclictest0-21swapper/208:26:032
1258399604,49cyclictest0-21swapper/208:16:192
1258399604,49cyclictest0-21swapper/206:31:052
12582996040,14cyclictest0-21swapper/110:39:301
12582996040,14cyclictest0-21swapper/110:39:301
12582996040,14cyclictest0-21swapper/108:16:111
12582996039,14cyclictest0-21swapper/110:41:111
12582996026,11cyclictest0-21swapper/109:14:061
53042593,48sleep10-21swapper/110:26:061
219499590,7rtkit-daemon0-21swapper/207:19:173
219499590,6rtkit-daemon2193-21rtkit-daemon09:45:560
219499590,4rtkit-daemon2193-21rtkit-daemon06:56:402
219499590,14rtkit-daemon2193-21rtkit-daemon06:56:103
126692594,49sleep20-21swapper/211:26:062
1258499593,13cyclictest0-21swapper/308:02:113
1258399594,49cyclictest0-21swapper/209:38:422
1258399594,38cyclictest0-21swapper/210:53:402
1258399593,50cyclictest0-21swapper/210:06:172
1258399593,50cyclictest0-21swapper/209:41:152
12583995918,26cyclictest0-21swapper/208:47:172
12582995941,13cyclictest0-21swapper/109:21:091
12582995941,13cyclictest0-21swapper/108:21:081
12582995940,13cyclictest0-21swapper/111:21:061
12582995940,13cyclictest0-21swapper/111:21:061
12582995940,13cyclictest0-21swapper/108:11:061
12582995939,14cyclictest0-21swapper/110:57:251
12582995939,13cyclictest0-21swapper/106:21:041
12582995939,13cyclictest0-21swapper/106:21:041
12582995923,12cyclictest0-21swapper/110:04:531
219499580,7rtkit-daemon0-21swapper/206:33:563
1258399584,47cyclictest0-21swapper/210:27:332
1258399584,38cyclictest0-21swapper/211:24:502
1258399584,38cyclictest0-21swapper/211:24:502
1258399584,37cyclictest0-21swapper/209:56:042
12583995811,28cyclictest0-21swapper/211:16:072
12583995811,28cyclictest0-21swapper/211:16:072
12582995840,12cyclictest0-21swapper/108:46:011
12582995839,13cyclictest0-21swapper/110:12:131
12582995838,14cyclictest0-21swapper/109:46:021
12582995838,14cyclictest0-21swapper/108:51:591
1258299582,50cyclictest0-21swapper/108:44:411
12582995813,29cyclictest0-21swapper/111:10:421
12584995713,23cyclictest16935-21df_inode09:06:023
1258399574,48cyclictest0-21swapper/210:11:022
1258399572,37cyclictest0-21swapper/208:01:222
12582995740,11cyclictest0-21swapper/109:28:511
1258299573,48cyclictest0-21swapper/109:56:241
12582995722,12cyclictest0-21swapper/109:04:521
12582995720,14cyclictest0-21swapper/109:00:431
297002563,11sleep20-21swapper/208:36:092
219499560,6rtkit-daemon2193-21rtkit-daemon08:40:290
219499560,5rtkit-daemon2193-21rtkit-daemon10:51:160
219499560,5rtkit-daemon2193-21rtkit-daemon09:41:110
219499560,5rtkit-daemon2193-21rtkit-daemon06:11:572
1258499564,36cyclictest0-21swapper/310:51:353
12584995639,10cyclictest8534-21cut10:31:043
12584995624,13cyclictest0-21swapper/310:35:543
12584995624,13cyclictest0-21swapper/310:35:543
12584995619,10cyclictest1084-21lldpd09:01:513
12584995612,26cyclictest0-21swapper/308:52:123
1258399569,40cyclictest0-21swapper/208:56:242
1258399566,28cyclictest0-21swapper/206:21:272
1258399566,28cyclictest0-21swapper/206:21:272
1258399564,47cyclictest0-21swapper/211:00:572
1258399564,39cyclictest0-21swapper/210:48:312
1258399564,37cyclictest0-21swapper/208:53:042
1258399563,46cyclictest11995-21ssh10:36:052
1258399563,46cyclictest11995-21ssh10:36:052
1258399563,37cyclictest0-21swapper/209:55:392
1258399563,37cyclictest0-21swapper/208:06:152
12583995613,23cyclictest1547-21nscd09:01:172
12582995638,12cyclictest0-21swapper/107:26:161
1258299563,48cyclictest0-21swapper/109:32:221
1258299563,47cyclictest0-21swapper/111:15:571
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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