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2026-08-17 - 12:54

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
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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 highest latencies:
System rack1slot6s.osadl.org (updated Mon Aug 17, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2919221220,6sleep029190-21latency22:25:010
2194991090,27rtkit-daemon0-21swapper/118:20:160
2194991070,27rtkit-daemon8750-21yum19:15:210
2194991050,26rtkit-daemon0-21swapper/122:19:590
2194991050,25rtkit-daemon0-21swapper/118:58:520
2194991040,7rtkit-daemon0-21swapper/121:37:010
2194991040,6rtkit-daemon0-21swapper/119:50:200
2194991040,6rtkit-daemon0-21swapper/119:50:200
2194991030,26rtkit-daemon16330-21if_eth018:25:080
2194991030,26rtkit-daemon16330-21if_eth018:25:080
2194991030,26rtkit-daemon0-21swapper/121:46:080
2194991030,26rtkit-daemon0-21swapper/120:41:480
2194991030,25rtkit-daemon0-21swapper/120:17:410
2194991020,8rtkit-daemon0-21swapper/120:21:410
2194991020,26rtkit-daemon0-21swapper/118:42:230
2194991020,25rtkit-daemon0-21swapper/117:58:540
2194991020,24rtkit-daemon0-21swapper/119:04:140
2194991020,24rtkit-daemon0-21swapper/118:49:220
2194991020,24rtkit-daemon0-21swapper/118:10:540
2194991010,22rtkit-daemon0-21swapper/121:16:020
2194991010,22rtkit-daemon0-21swapper/121:16:020
2194991000,23rtkit-daemon0-21swapper/119:09:440
2194991000,23rtkit-daemon0-21swapper/119:09:440
219499990,7rtkit-daemon0-21swapper/120:04:490
219499990,26rtkit-daemon0-21swapper/120:38:560
219499990,26rtkit-daemon0-21swapper/118:35:230
219499990,26rtkit-daemon0-21swapper/118:31:080
219499990,24rtkit-daemon0-21swapper/119:21:440
612999634,10cyclictest2739-21tr22:34:531
612999634,10cyclictest2739-21tr22:34:531
219499960,24rtkit-daemon0-21swapper/121:13:541
219499960,24rtkit-daemon0-21swapper/121:13:541
219499950,4rtkit-daemon2193-21rtkit-daemon20:50:480
61499933,83cyclictest0-21swapper/322:28:553
61499925,79cyclictest19199-21hddtemp_smartct22:10:023
61499914,77cyclictest0-21swapper/321:49:513
61499904,80cyclictest1971-21timerwakeupswit20:05:153
61499904,78cyclictest6437-21tune2fs22:39:573
61499904,77cyclictest10632-21taskset21:56:353
61499904,77cyclictest10632-21taskset21:56:353
61499903,79cyclictest23964-21cpuspeed_turbos20:39:543
219499900,5rtkit-daemon2193-21rtkit-daemon21:12:540
219499900,5rtkit-daemon2193-21rtkit-daemon21:12:540
61499894,77cyclictest6472-21fschecks_time18:05:073
219499890,26rtkit-daemon0-21swapper/118:59:071
61499883,63cyclictest20034-21ssh21:22:143
61499874,74cyclictest21993-21munin-node21:25:023
61499874,74cyclictest1227-21runrttasks18:35:473
61499874,74cyclictest0-21swapper/321:44:403
61499873,76cyclictest30531-21turbostat21:39:383
61499865,52cyclictest0-21swapper/323:14:513
61499865,52cyclictest0-21swapper/323:14:513
61499864,74cyclictest0-21swapper/322:51:503
61499864,73cyclictest8720-21turbostat.cron22:49:313
61499864,72cyclictest27807-21systemd-cgroups22:24:323
61499864,64cyclictest0-21swapper/321:12:363
61499864,64cyclictest0-21swapper/321:12:363
61499864,49cyclictest0-21swapper/323:22:293
61499864,48cyclictest25777-21switchtime21:30:123
61499863,74cyclictest0-21swapper/322:08:243
61499854,74cyclictest0-21swapper/320:52:093
61499854,73cyclictest0-21swapper/323:03:183
61499854,73cyclictest0-21swapper/319:25:033
61499854,72cyclictest0-21swapper/319:34:553
61499854,71cyclictest0-21swapper/317:59:483
61499854,62cyclictest20346-21munin-node20:35:093
61499854,48cyclictest0-21swapper/321:45:173
61499854,47cyclictest26919-21python23:10:083
61499853,74cyclictest25141-21crond23:09:353
61499853,74cyclictest1161-21aten_r1power_fr20:54:523
61499853,74cyclictest0-21swapper/322:02:153
61499844,73cyclictest18834-21unixbench_multi20:30:153
61499844,73cyclictest18834-21unixbench_multi20:30:153
61499844,73cyclictest0-21swapper/322:32:113
61499844,73cyclictest0-21swapper/320:15:243
61499844,73cyclictest0-21swapper/318:50:133
61499843,73cyclictest26988-21awk19:55:053
61499843,73cyclictest16271-21taskset20:27:413
61499843,47cyclictest0-21swapper/321:18:223
61499843,47cyclictest0-21swapper/321:18:223
219499840,21rtkit-daemon0-21swapper/120:18:341
61499834,71cyclictest0-21swapper/322:55:563
61499834,71cyclictest0-21swapper/321:01:093
61499834,71cyclictest0-21swapper/320:00:183
61499834,46cyclictest11994-21python20:20:133
61499833,53cyclictest0-21swapper/322:39:173
61499833,53cyclictest0-21swapper/322:39:173
219499820,4rtkit-daemon2193-21rtkit-daemon22:58:280
61499814,70cyclictest0-21swapper/320:44:563
61499814,70cyclictest0-21swapper/320:10:403
61499814,60cyclictest21994-21df22:14:553
61499813,70cyclictest24641-21crond18:44:463
61499804,68cyclictest0-21swapper/319:43:313
61499803,62cyclictest25813-21idleruntime-cro19:54:433
61499803,62cyclictest25813-21idleruntime-cro19:54:433
61499794,59cyclictest25904-21iostat_ios18:45:103
61499793,67cyclictest3470-21munin-node17:59:583
219499790,4rtkit-daemon2193-21rtkit-daemon20:49:552
61499784,67cyclictest18465-21fschecks_time18:30:073
61499784,66cyclictest0-21swapper/319:04:393
614997812,44cyclictest0-21swapper/319:30:593
219499780,9rtkit-daemon0-21swapper/121:24:312
61499774,57cyclictest0-21swapper/321:07:333
61499773,66cyclictest11967-21munin-node18:15:163
219499770,25rtkit-daemon0-21swapper/118:03:241
219499770,24rtkit-daemon0-21swapper/118:09:091
219499760,25rtkit-daemon0-21swapper/121:49:531
219499760,23rtkit-daemon0-21swapper/121:07:541
61499744,42cyclictest0-21swapper/318:25:073
61499744,42cyclictest0-21swapper/318:25:073
61499743,64cyclictest31940-21cat18:59:463
61499743,63cyclictest1547-21nscd19:10:133
61499743,62cyclictest4310-21crond19:09:453
61499743,62cyclictest4310-21crond19:09:453
61499734,62cyclictest0-21swapper/319:15:043
61499734,47cyclictest0-21swapper/319:22:123
61499714,59cyclictest0-21swapper/318:19:593
61499714,59cyclictest0-21swapper/318:11:533
61499704,59cyclictest0-21swapper/319:45:083
219499690,10rtkit-daemon0-21swapper/122:31:142
61499684,45cyclictest0-21swapper/317:54:493
61099684,55cyclictest15865-21sed22:04:570
44732683,12sleep00-21swapper/022:36:020
44732683,12sleep00-21swapper/022:36:020
219499680,7rtkit-daemon0-21swapper/121:37:532
61099674,56cyclictest0-21swapper/020:00:030
61099674,55cyclictest0-21swapper/020:31:500
61099674,55cyclictest0-21swapper/020:31:500
219499660,7rtkit-daemon0-21swapper/121:25:461
61099654,52cyclictest0-21swapper/023:00:040
61099645,51cyclictest0-21swapper/022:29:510
219499640,25rtkit-daemon0-21swapper/118:28:461
219499640,25rtkit-daemon0-21swapper/118:28:461
61099634,51cyclictest0-21swapper/021:40:050
229772634,13sleep20-21swapper/220:38:122
219499630,6rtkit-daemon0-21swapper/121:24:091
219499630,5rtkit-daemon9178-21ssh21:05:100
219499630,27rtkit-daemon0-21swapper/120:13:121
219499630,27rtkit-daemon0-21swapper/119:04:591
219499630,27rtkit-daemon0-21swapper/119:04:591
219499630,26rtkit-daemon0-21swapper/122:25:141
219499630,26rtkit-daemon0-21swapper/120:53:021
219499630,26rtkit-daemon0-21swapper/120:46:331
219499630,26rtkit-daemon0-21swapper/120:39:111
219499630,26rtkit-daemon0-21swapper/119:51:201
219499630,26rtkit-daemon0-21swapper/119:51:201
219499630,26rtkit-daemon0-21swapper/119:45:051
219499630,26rtkit-daemon0-21swapper/119:25:361
219499630,26rtkit-daemon0-21swapper/119:17:441
219499630,26rtkit-daemon0-21swapper/118:41:381
219499630,26rtkit-daemon0-21swapper/118:21:011
219499630,26rtkit-daemon0-21swapper/118:16:091
219499630,26rtkit-daemon0-21swapper/117:58:091
219499630,25rtkit-daemon0-21swapper/122:06:521
219499630,25rtkit-daemon0-21swapper/120:22:111
219499630,25rtkit-daemon0-21swapper/119:39:501
219499630,25rtkit-daemon0-21swapper/119:00:521
219499630,25rtkit-daemon0-21swapper/118:52:151
219499630,25rtkit-daemon0-21swapper/118:34:081
219499630,24rtkit-daemon0-21swapper/121:00:251
219499630,24rtkit-daemon0-21swapper/120:40:481
219499630,23rtkit-daemon24041-21ssh22:17:371
219499630,23rtkit-daemon0-21swapper/118:34:531
219499630,22rtkit-daemon0-21swapper/119:55:501
613996241,14cyclictest0-21swapper/222:19:502
613996241,14cyclictest0-21swapper/222:10:002
613996240,15cyclictest0-21swapper/220:29:542
613996240,15cyclictest0-21swapper/220:29:542
61099624,50cyclictest0-21swapper/023:06:070
610996222,21cyclictest18865-21ssh22:09:580
219499620,27rtkit-daemon0-21swapper/121:45:301
219499620,26rtkit-daemon0-21swapper/122:01:151
219499620,26rtkit-daemon0-21swapper/119:10:141
219499620,25rtkit-daemon0-21swapper/121:15:171
219499620,25rtkit-daemon0-21swapper/121:15:171
219499620,25rtkit-daemon0-21swapper/120:06:421
219499620,25rtkit-daemon0-21swapper/120:01:051
219499620,25rtkit-daemon0-21swapper/118:44:531
219499620,24rtkit-daemon0-21swapper/122:10:371
219499620,24rtkit-daemon0-21swapper/120:55:251
219499620,24rtkit-daemon0-21swapper/119:35:211
219499620,24rtkit-daemon0-21swapper/119:29:511
219499620,24rtkit-daemon0-21swapper/119:21:291
219499620,24rtkit-daemon0-21swapper/118:10:241
219499620,23rtkit-daemon0-21swapper/121:55:451
219499620,23rtkit-daemon0-21swapper/121:55:451
613996140,15cyclictest0-21swapper/218:10:192
613996140,14cyclictest0-21swapper/219:30:002
61099614,49cyclictest0-21swapper/022:44:530
61099614,49cyclictest0-21swapper/022:14:580
219499610,24rtkit-daemon0-21swapper/122:20:521
72342603,11sleep00-21swapper/021:51:110
61399604,49cyclictest0-21swapper/223:20:072
613996039,14cyclictest0-21swapper/223:10:082
613996029,13cyclictest0-21swapper/222:59:502
61099608,28cyclictest0-21swapper/021:19:580
61099604,49cyclictest0-21swapper/020:55:040
61099604,49cyclictest0-21swapper/019:25:180
613995942,11cyclictest0-21swapper/223:08:022
613995940,13cyclictest0-21swapper/221:34:272
613995939,13cyclictest0-21swapper/220:45:022
613995938,14cyclictest0-21swapper/222:00:302
613995938,14cyclictest0-21swapper/219:36:172
613995938,13cyclictest0-21swapper/221:45:152
610995919,22cyclictest0-21swapper/022:50:300
237652590,3sleep223890-21ssh20:39:542
61399589,31cyclictest0-21swapper/221:39:532
613995841,9cyclictest25817-21diskmemload23:15:092
613995841,9cyclictest25817-21diskmemload23:15:092
61399584,46cyclictest0-21swapper/221:54:592
61399584,46cyclictest0-21swapper/221:54:592
61399584,46cyclictest0-21swapper/221:50:012
613995837,14cyclictest0-21swapper/220:58:332
61099585,46cyclictest0-21swapper/023:10:070
61099584,48cyclictest0-21swapper/022:02:520
61099584,37cyclictest0-21swapper/023:21:560
61099584,32cyclictest0-21swapper/020:44:570
314602583,10sleep00-21swapper/023:18:400
314602583,10sleep00-21swapper/023:18:400
61399574,46cyclictest0-21swapper/222:40:082
613995737,13cyclictest0-21swapper/221:05:012
219499570,5rtkit-daemon2193-21rtkit-daemon22:45:061
170242573,11sleep20-21swapper/222:55:072
61399565,14cyclictest0-21swapper/222:38:062
61399565,14cyclictest0-21swapper/222:38:062
61399564,44cyclictest0-21swapper/220:24:562
61399564,33cyclictest0-21swapper/219:54:572
319122564,7sleep20-21swapper/217:50:092
61399559,39cyclictest0-21swapper/222:17:512
613995540,9cyclictest13184-21grep22:49:572
61399554,43cyclictest0-21swapper/221:16:562
61399554,43cyclictest0-21swapper/221:16:562
613995538,12cyclictest0-21swapper/219:04:132
613995536,13cyclictest0-21swapper/222:05:052
61399553,19cyclictest0-21swapper/220:12:132
61399552,49cyclictest0-21swapper/221:04:092
61099555,44cyclictest0-21swapper/020:26:170
61099554,45cyclictest0-21swapper/019:59:430
610995522,26cyclictest0-21swapper/021:59:380
610995522,26cyclictest0-21swapper/021:59:380
610995514,35cyclictest62842sleep021:00:160
61399544,42cyclictest0-21swapper/220:15:022
61399542,46cyclictest0-21swapper/221:11:432
61399542,46cyclictest0-21swapper/221:11:432
61099545,43cyclictest0-21swapper/021:28:300
61099545,40cyclictest0-21swapper/019:44:590
61099544,16cyclictest0-21swapper/020:10:070
18152542,10sleep10-21swapper/122:33:581
61399534,32cyclictest0-21swapper/222:25:012
613995336,10cyclictest22978-21unixbench_multi19:45:182
613995332,13cyclictest0-21swapper/220:09:442
61399533,43cyclictest0-21swapper/220:20:002
61099535,14cyclictest0-21swapper/022:39:450
61099534,40cyclictest0-21swapper/019:34:590
61099534,28cyclictest0-21swapper/021:30:500
219499530,5rtkit-daemon2193-21rtkit-daemon23:00:571
219499530,5rtkit-daemon2193-21rtkit-daemon21:25:012
140932533,43sleep00-21swapper/019:29:530
61399529,26cyclictest0-21swapper/219:10:222
61399525,38cyclictest0-21swapper/218:54:572
61399524,42cyclictest0-21swapper/219:14:572
61399524,40cyclictest0-21swapper/219:05:132
61399524,40cyclictest0-21swapper/219:05:132
613995236,11cyclictest0-21swapper/220:00:272
61399522,44cyclictest0-21swapper/222:44:502
61299525,41cyclictest0-21swapper/123:19:511
61299524,24cyclictest0-21swapper/123:15:021
61299524,24cyclictest0-21swapper/123:15:021
610995235,11cyclictest10925-21cpuspeed_turbos18:15:010
5502524,6sleep00-21swapper/017:54:290
83472512,10sleep10-21swapper/122:43:131
613995131,12cyclictest0-21swapper/218:00:162
61399513,41cyclictest0-21swapper/219:24:452
61299513,43cyclictest0-21swapper/122:56:401
61299513,27cyclictest0-21swapper/120:30:011
61299513,27cyclictest0-21swapper/120:30:011
610995122,14cyclictest0-21swapper/018:05:230
610995117,12cyclictest0-21swapper/018:50:060
219499510,5rtkit-daemon2193-21rtkit-daemon23:09:571
219499510,4rtkit-daemon2193-21rtkit-daemon22:53:281
209072513,10sleep00-21swapper/019:43:200
61399508,34cyclictest0-21swapper/217:55:152
61399505,28cyclictest0-21swapper/218:45:182
61399505,27cyclictest0-21swapper/218:25:032
61399505,27cyclictest0-21swapper/218:25:032
61399504,28cyclictest0-21swapper/218:30:062
613995029,13cyclictest0-21swapper/218:40:062
61299505,27cyclictest0-21swapper/121:39:391
61299504,39cyclictest25067-21gltestperf21:30:001
612995031,13cyclictest0-21swapper/121:42:371
61099504,27cyclictest0-21swapper/019:13:350
610995033,11cyclictest3826-21df18:00:010
61399495,27cyclictest0-21swapper/219:40:192
613994933,11cyclictest0-21swapper/218:20:102
61399493,28cyclictest0-21swapper/219:25:112
61299494,28cyclictest0-21swapper/123:05:101
61299494,27cyclictest0-21swapper/120:27:251
61399484,27cyclictest0-21swapper/218:15:472
61399483,37cyclictest0-21swapper/218:35:212
61399483,13cyclictest0-21swapper/218:05:192
613994727,13cyclictest0-21swapper/218:49:592
61399467,32cyclictest0-21swapper/219:50:072
61399467,32cyclictest0-21swapper/219:50:072
61299353,27cyclictest0-21swapper/117:54:491
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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