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2026-09-04 - 11:04

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 all highest latencies:
System rack1slot6s.osadl.org (updated Fri Sep 04, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
363721460,4sleep334-21rcuc/322:12:583
2769221320,6sleep227693-21cat22:48:122
4701991024,23cyclictest28197-21ssh21:12:550
4701991023,81cyclictest0-21swapper/022:22:030
4701991019,68cyclictest0-21swapper/020:22:590
4701991014,23cyclictest17120-21ssh22:33:020
470199983,27cyclictest0-21swapper/019:56:180
470199974,26cyclictest0-21swapper/020:51:490
470199974,24cyclictest0-21swapper/023:02:500
470199964,26cyclictest0-21swapper/022:26:390
470199964,25cyclictest0-21swapper/021:42:080
470199955,28cyclictest0-21swapper/019:58:090
470199954,29cyclictest0-21swapper/020:43:050
470199954,29cyclictest0-21swapper/020:43:050
470199954,25cyclictest0-21swapper/022:04:080
470199954,25cyclictest0-21swapper/022:04:080
4701999518,12cyclictest0-21swapper/021:46:280
219499950,4rtkit-daemon2193-21rtkit-daemon21:11:181
470199944,83cyclictest0-21swapper/020:55:180
470199944,82cyclictest0-21swapper/021:23:090
4701999418,12cyclictest0-21swapper/022:02:030
470199934,81cyclictest0-21swapper/022:53:140
470199934,26cyclictest0-21swapper/021:05:140
470199934,26cyclictest0-21swapper/019:48:570
470199934,26cyclictest0-21swapper/018:17:520
470199934,25cyclictest0-21swapper/022:32:000
470199925,25cyclictest0-21swapper/020:40:550
470199925,25cyclictest0-21swapper/020:03:030
470199925,25cyclictest0-21swapper/020:03:030
470199924,79cyclictest0-21swapper/019:22:020
470199924,26cyclictest0-21swapper/021:56:460
470199924,25cyclictest0-21swapper/021:02:270
470199923,24cyclictest19343-21ssh21:47:580
4701999219,13cyclictest0-21swapper/023:01:090
470199915,26cyclictest0-21swapper/020:18:020
470199914,26cyclictest0-21swapper/020:33:070
470199914,25cyclictest0-21swapper/020:30:090
470199913,26cyclictest0-21swapper/022:47:530
4701999118,14cyclictest0-21swapper/022:45:480
4701999118,14cyclictest0-21swapper/022:45:480
470199905,26cyclictest0-21swapper/022:16:290
470199904,26cyclictest0-21swapper/022:39:080
470199904,25cyclictest0-21swapper/022:10:270
470199904,25cyclictest0-21swapper/021:22:210
4701999027,9cyclictest21775-21fschecks_time20:13:050
4701999019,10cyclictest1227-21runrttasks20:11:060
4701999017,12cyclictest0-21swapper/021:11:360
470199895,24cyclictest0-21swapper/019:43:120
470199894,77cyclictest0-21swapper/021:32:570
470199884,26cyclictest0-21swapper/021:29:200
470199884,26cyclictest0-21swapper/019:03:100
470199865,72cyclictest0-21swapper/018:38:200
470199864,73cyclictest0-21swapper/018:33:030
4701998623,54cyclictest0-21swapper/018:08:240
470199854,73cyclictest0-21swapper/019:41:280
219499850,9rtkit-daemon0-21swapper/017:38:120
219499850,8rtkit-daemon0-21swapper/018:18:100
470199844,22cyclictest1227-21runrttasks19:32:520
219499840,9rtkit-daemon0-21swapper/018:53:010
470199829,9cyclictest7150irq/45-ahci18:27:500
470199824,69cyclictest0-21swapper/019:13:240
470199814,30cyclictest0-21swapper/017:48:100
4701998110,9cyclictest107550irq/46-eth019:23:160
4701998110,9cyclictest107550irq/46-eth019:23:160
219499810,7rtkit-daemon0-21swapper/018:29:400
470199799,11cyclictest0-21swapper/019:29:200
470199793,21cyclictest0-21swapper/017:54:210
470199793,20cyclictest0-21swapper/017:43:030
219499790,6rtkit-daemon0-21swapper/122:17:461
172072790,7chrt0-21swapper/122:33:031
470199784,25cyclictest0-21swapper/018:58:080
470199784,22cyclictest16808-21needreboot19:08:130
470199784,22cyclictest0-21swapper/017:59:220
470199784,13cyclictest0-21swapper/018:43:020
470199784,13cyclictest0-21swapper/018:43:020
470199783,12cyclictest18116-21ntpq18:03:170
470199783,12cyclictest18116-21ntpq18:03:170
219499780,7rtkit-daemon0-21swapper/119:38:221
219499770,7rtkit-daemon0-21swapper/119:58:061
219499760,8rtkit-daemon0-21swapper/118:20:101
219499760,6rtkit-daemon0-21swapper/123:04:061
219499760,6rtkit-daemon0-21swapper/122:40:521
219499760,6rtkit-daemon0-21swapper/018:48:240
219499750,8rtkit-daemon28306-21fschecks_time20:23:051
219499750,6rtkit-daemon0-21swapper/122:29:451
219499750,6rtkit-daemon0-21swapper/118:43:241
219499750,6rtkit-daemon0-21swapper/118:43:241
219499740,6rtkit-daemon0-21swapper/122:58:141
219499740,6rtkit-daemon0-21swapper/122:10:461
219499730,6rtkit-daemon0-21swapper/121:56:311
219499730,6rtkit-daemon0-21swapper/121:40:101
219499720,8rtkit-daemon0-21swapper/121:35:171
219499720,8rtkit-daemon0-21swapper/120:20:131
219499720,7rtkit-daemon0-21swapper/122:52:441
219499710,8rtkit-daemon0-21swapper/119:52:511
219499710,7rtkit-daemon0-21swapper/117:48:261
219499710,6rtkit-daemon0-21swapper/121:30:101
219499710,6rtkit-daemon0-21swapper/119:45:071
213412710,4sleep121480-21date21:02:461
219499700,8rtkit-daemon0-21swapper/122:43:521
219499700,8rtkit-daemon0-21swapper/122:43:521
219499700,8rtkit-daemon0-21swapper/121:13:111
219499700,7rtkit-daemon0-21swapper/121:44:391
219499700,7rtkit-daemon0-21swapper/119:31:001
219499700,7rtkit-daemon0-21swapper/119:08:161
219499700,6rtkit-daemon0-21swapper/122:47:521
470199693,28cyclictest0-21swapper/017:37:540
219499690,9rtkit-daemon0-21swapper/118:08:031
219499690,7rtkit-daemon0-21swapper/120:14:051
219499690,7rtkit-daemon0-21swapper/119:19:151
219499690,7rtkit-daemon0-21swapper/118:57:381
219499690,6rtkit-daemon23253-21cat18:13:251
219499690,6rtkit-daemon0-21swapper/122:16:011
219499690,6rtkit-daemon0-21swapper/122:06:011
219499690,6rtkit-daemon0-21swapper/122:06:011
219499690,6rtkit-daemon0-21swapper/120:07:581
219499690,6rtkit-daemon0-21swapper/119:37:141
219499690,6rtkit-daemon0-21swapper/118:03:181
219499690,6rtkit-daemon0-21swapper/118:03:181
219499690,6rtkit-daemon0-21swapper/117:43:111
36122684,12sleep20-21swapper/219:46:032
219499680,7rtkit-daemon0-21swapper/122:25:531
219499680,6rtkit-daemon0-21swapper/121:17:481
219499680,6rtkit-daemon0-21swapper/120:06:361
219499680,6rtkit-daemon0-21swapper/120:06:361
219499670,7rtkit-daemon0-21swapper/119:04:381
219499670,6rtkit-daemon0-21swapper/121:59:241
219499670,6rtkit-daemon0-21swapper/121:24:101
219499670,6rtkit-daemon0-21swapper/118:59:311
219499670,6rtkit-daemon0-21swapper/118:25:171
219499670,5rtkit-daemon2106-21expr18:38:091
219499670,4rtkit-daemon6969-21ssh19:50:591
219499660,6rtkit-daemon0-21swapper/119:16:081
219499660,4rtkit-daemon0-21swapper/121:51:541
4704996444,12cyclictest24736-21runrttasks21:55:533
265942644,52sleep30-21swapper/320:20:033
219499640,7rtkit-daemon0-21swapper/321:08:113
219499630,8rtkit-daemon0-21swapper/320:34:203
219499630,5rtkit-daemon15106-21fschecks_count17:58:111
219499630,4rtkit-daemon2193-21rtkit-daemon20:32:053
219499620,7rtkit-daemon0-21swapper/321:06:413
219499620,4rtkit-daemon2193-21rtkit-daemon20:53:413
219499610,8rtkit-daemon0-21swapper/320:39:053
219499600,7rtkit-daemon0-21swapper/320:43:193
219499600,7rtkit-daemon0-21swapper/320:43:193
4704995935,19cyclictest0-21swapper/322:35:233
470399598,43cyclictest28172-21basename21:12:552
219499590,4rtkit-daemon2193-21rtkit-daemon20:49:193
20672590,8sleep20-21swapper/222:58:162
4704995841,10cyclictest32445-21hwlatdetect21:18:103
142182582,21sleep30-21swapper/317:57:493
4702995711,32cyclictest0-21swapper/120:38:391
314692573,12sleep20-21swapper/220:28:042
470499566,29cyclictest34-21rcuc/323:07:403
470399564,46cyclictest0-21swapper/220:48:542
470399564,45cyclictest0-21swapper/221:33:112
470399564,44cyclictest0-21swapper/220:53:162
470399564,37cyclictest0-21swapper/219:54:562
219499560,3rtkit-daemon34-21rcuc/321:02:413
470499555,30cyclictest0-21swapper/317:48:243
470499554,42cyclictest0-21swapper/321:32:563
470499554,41cyclictest22438-21gltestperf18:13:123
4704995534,14cyclictest0-21swapper/321:50:463
4704995534,14cyclictest0-21swapper/321:31:173
470399555,43cyclictest0-21swapper/220:43:192
470399555,43cyclictest0-21swapper/220:43:192
470399554,43cyclictest0-21swapper/220:58:062
4703995520,27cyclictest1275-21kworker/2:218:53:032
4702995516,21cyclictest9439-21ssh20:43:061
4702995516,21cyclictest9439-21ssh20:43:061
4704995435,12cyclictest0-21swapper/322:38:013
4704995433,14cyclictest0-21swapper/322:27:413
470399544,42cyclictest0-21swapper/220:13:152
470399542,46cyclictest0-21swapper/221:38:132
470299544,13cyclictest0-21swapper/120:54:061
4702995412,35cyclictest0-21swapper/121:03:171
470499537,8cyclictest9371-21kworker/3:022:58:033
470499536,28cyclictest0-21swapper/320:03:053
470499536,28cyclictest0-21swapper/320:03:053
470499536,28cyclictest0-21swapper/318:53:103
470499536,14cyclictest18320-21diskstats20:08:053
4704995339,9cyclictest0-21swapper/320:02:413
4704995339,10cyclictest0-21swapper/322:03:083
4704995339,10cyclictest0-21swapper/322:03:083
4704995335,12cyclictest5235-21cut17:38:063
4704995334,11cyclictest31502-21tr18:33:063
4704995322,13cyclictest0-21swapper/322:53:123
4704995310,26cyclictest0-21swapper/320:14:413
470399539,12cyclictest0-21swapper/222:28:102
4703995337,9cyclictest25847-21tr21:58:012
4703995336,10cyclictest6432-21grep18:48:042
4703995335,11cyclictest420-21unixbench_multi18:33:252
470299535,26cyclictest7223-21latency_hist17:42:531
470299534,21cyclictest0-21swapper/120:28:101
4702995310,26cyclictest0-21swapper/120:33:151
470499524,29cyclictest0-21swapper/318:47:513
470499524,29cyclictest0-21swapper/318:47:513
4704995238,9cyclictest0-21swapper/319:51:403
4704995237,10cyclictest0-21swapper/321:25:033
4704995221,14cyclictest0-21swapper/322:47:103
4704995221,14cyclictest0-21swapper/322:47:103
4704995221,12cyclictest0-21swapper/318:12:533
4704995214,23cyclictest107550irq/46-eth021:43:343
470399524,43cyclictest0-21swapper/219:58:322
470399524,43cyclictest0-21swapper/219:49:472
470399524,40cyclictest0-21swapper/222:52:592
470399524,33cyclictest0-21swapper/220:26:132
470399524,30cyclictest0-21swapper/221:51:282
4703995221,13cyclictest0-21swapper/217:43:182
4703995218,10cyclictest1556-21nscd20:08:162
470299524,32cyclictest0-21swapper/120:51:241
307482523,8sleep2909-21crond22:03:422
307482523,8sleep2909-21crond22:03:422
470499515,28cyclictest0-21swapper/322:18:123
470499515,27cyclictest0-21swapper/321:41:433
470499514,38cyclictest26448-21cpuspeed_turbos22:47:543
470499514,28cyclictest0-21swapper/322:28:013
470499513,18cyclictest0-21swapper/319:38:013
4704995114,19cyclictest2098-21sshd22:10:133
470399514,41cyclictest0-21swapper/222:18:112
470399514,41cyclictest0-21swapper/220:38:022
470399514,40cyclictest0-21swapper/222:46:062
470399514,40cyclictest0-21swapper/222:46:062
470399514,27cyclictest0-21swapper/220:33:052
4703995134,12cyclictest0-21swapper/221:43:002
4703995133,11cyclictest31708-21tail19:38:222
4703995131,13cyclictest0-21swapper/221:20:062
470399513,42cyclictest0-21swapper/221:23:522
470399513,42cyclictest0-21swapper/220:06:462
470399513,42cyclictest0-21swapper/220:06:462
470399513,41cyclictest0-21swapper/221:03:002
470299515,12cyclictest0-21swapper/118:49:311
470299514,29cyclictest0-21swapper/118:33:221
470299513,33cyclictest0-21swapper/118:27:521
470499505,26cyclictest0-21swapper/319:07:593
470499504,39cyclictest0-21swapper/319:43:193
470499504,28cyclictest0-21swapper/320:23:023
470499504,28cyclictest0-21swapper/319:23:053
470499504,28cyclictest0-21swapper/319:23:053
470499504,28cyclictest0-21swapper/319:18:013
470499504,28cyclictest0-21swapper/318:18:253
470499504,27cyclictest0-21swapper/319:32:493
4704995030,13cyclictest0-21swapper/319:53:053
4704995020,13cyclictest0-21swapper/321:58:203
470399504,38cyclictest0-21swapper/223:05:022
470399504,30cyclictest0-21swapper/222:22:562
470399504,27cyclictest0-21swapper/219:28:142
470399504,12cyclictest0-21swapper/222:12:302
4703995031,13cyclictest0-21swapper/222:37:582
470399503,11cyclictest0-21swapper/220:18:152
470399502,10cyclictest0-21swapper/222:33:412
470499494,28cyclictest0-21swapper/319:33:203
470499494,28cyclictest0-21swapper/318:03:103
470499494,28cyclictest0-21swapper/318:03:103
4704994928,13cyclictest0-21swapper/318:23:253
470399494,38cyclictest0-21swapper/221:27:592
4703994934,9cyclictest22966-21fschecks_time21:53:012
470399493,26cyclictest24886-21ssh21:07:572
470399493,22cyclictest0-21swapper/222:16:402
4703994919,13cyclictest0-21swapper/218:42:502
4702994918,13cyclictest0-21swapper/119:23:161
4702994918,13cyclictest0-21swapper/119:23:161
182142493,40sleep318366-21cstates19:13:033
470499484,26cyclictest0-21swapper/319:03:133
4704994834,10cyclictest0-21swapper/321:15:153
4704994830,11cyclictest29621-21gltestperf18:28:103
470399484,27cyclictest0-21swapper/219:18:032
470399484,26cyclictest0-21swapper/219:27:492
470399484,26cyclictest0-21swapper/219:27:492
470399484,26cyclictest0-21swapper/218:43:082
470399484,26cyclictest0-21swapper/218:43:082
470499475,34cyclictest0-21swapper/318:38:013
470499474,21cyclictest14557-21aten_r1power_fr17:58:053
470399474,26cyclictest0-21swapper/217:58:042
470399473,37cyclictest0-21swapper/218:18:122
470399473,27cyclictest0-21swapper/218:13:262
140702473,11sleep10-21swapper/117:55:541
126192472,9sleep20-21swapper/218:58:232
470399464,34cyclictest0-21swapper/218:28:012
470399464,25cyclictest0-21swapper/219:08:002
470399463,36cyclictest0-21swapper/218:03:032
470399463,36cyclictest0-21swapper/218:03:032
470399463,27cyclictest0-21swapper/217:48:182
470399463,23cyclictest0-21swapper/217:38:032
284712462,9sleep20-21swapper/218:27:032
127922462,9sleep30-21swapper/319:00:223
4703994518,12cyclictest0-21swapper/219:33:002
4703994516,12cyclictest0-21swapper/217:53:332
152192452,9sleep20-21swapper/219:05:532
470499443,34cyclictest0-21swapper/318:48:093
470399434,32cyclictest0-21swapper/218:08:112
4704994222,12cyclictest7457-21aten_r1power_vo17:43:043
4702994211,26cyclictest0-21swapper/117:37:531
470399414,23cyclictest0-21swapper/219:13:022
4703994121,14cyclictest0-21swapper/217:37:542
29422369,16sleep30-21swapper/317:33:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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