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2026-04-04 - 17:59

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
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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 Sat Apr 04, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991090,5rtkit-daemon2484-21rtkit-daemon09:48:190
248599950,4rtkit-daemon2484-21rtkit-daemon08:28:080
248599950,4rtkit-daemon2484-21rtkit-daemon08:28:080
291532890,3sleep1201ktimersoftd/108:21:151
248599840,4rtkit-daemon2484-21rtkit-daemon10:12:412
248599830,5rtkit-daemon2484-21rtkit-daemon10:32:553
248599830,5rtkit-daemon2484-21rtkit-daemon09:47:123
248599830,5rtkit-daemon2484-21rtkit-daemon09:18:513
248599830,5rtkit-daemon2484-21rtkit-daemon08:35:373
248599830,5rtkit-daemon2484-21rtkit-daemon06:48:043
248599830,5rtkit-daemon2484-21rtkit-daemon05:50:213
248599830,4rtkit-daemon2484-21rtkit-daemon10:17:183
248599830,4rtkit-daemon2484-21rtkit-daemon06:40:493
248599820,6rtkit-daemon2484-21rtkit-daemon08:43:523
248599820,6rtkit-daemon2484-21rtkit-daemon07:20:553
248599820,6rtkit-daemon2484-21rtkit-daemon07:10:483
248599820,6rtkit-daemon2484-21rtkit-daemon05:36:223
248599820,5rtkit-daemon2484-21rtkit-daemon09:09:433
248599820,5rtkit-daemon2484-21rtkit-daemon08:50:593
248599820,5rtkit-daemon2484-21rtkit-daemon07:58:013
248599820,5rtkit-daemon2484-21rtkit-daemon07:26:103
248599820,5rtkit-daemon2484-21rtkit-daemon06:32:273
248599820,5rtkit-daemon2484-21rtkit-daemon06:07:513
248599820,4rtkit-daemon2484-21rtkit-daemon09:54:573
248599820,4rtkit-daemon2484-21rtkit-daemon09:29:583
248599820,4rtkit-daemon2484-21rtkit-daemon09:25:433
248599820,4rtkit-daemon2484-21rtkit-daemon08:12:313
248599820,4rtkit-daemon2484-21rtkit-daemon07:15:033
248599820,4rtkit-daemon2484-21rtkit-daemon06:27:353
248599820,4rtkit-daemon2484-21rtkit-daemon06:16:353
248599820,4rtkit-daemon2484-21rtkit-daemon06:11:283
248599820,4rtkit-daemon2484-21rtkit-daemon06:00:213
248599820,4rtkit-daemon2484-21rtkit-daemon05:47:513
248599810,6rtkit-daemon2484-21rtkit-daemon06:56:493
248599810,5rtkit-daemon2484-21rtkit-daemon10:20:413
248599810,5rtkit-daemon2484-21rtkit-daemon09:39:353
248599810,5rtkit-daemon2484-21rtkit-daemon09:06:443
248599810,5rtkit-daemon2484-21rtkit-daemon09:06:443
248599810,5rtkit-daemon2484-21rtkit-daemon09:03:363
248599810,5rtkit-daemon2484-21rtkit-daemon08:45:293
248599810,5rtkit-daemon2484-21rtkit-daemon08:23:233
248599810,5rtkit-daemon2484-21rtkit-daemon08:15:463
248599810,5rtkit-daemon2484-21rtkit-daemon07:51:313
248599810,5rtkit-daemon2484-21rtkit-daemon06:20:503
248599810,5rtkit-daemon2484-21rtkit-daemon06:20:503
248599810,5rtkit-daemon2484-21rtkit-daemon05:55:443
248599810,5rtkit-daemon2484-21rtkit-daemon05:29:523
248599810,5rtkit-daemon2484-21rtkit-daemon05:25:453
248599810,4rtkit-daemon2484-21rtkit-daemon10:49:253
248599810,4rtkit-daemon2484-21rtkit-daemon10:38:103
248599810,4rtkit-daemon2484-21rtkit-daemon10:29:183
248599810,4rtkit-daemon2484-21rtkit-daemon10:29:183
248599810,4rtkit-daemon2484-21rtkit-daemon09:37:353
248599810,4rtkit-daemon2484-21rtkit-daemon08:26:233
248599810,4rtkit-daemon2484-21rtkit-daemon08:26:233
248599810,4rtkit-daemon2484-21rtkit-daemon08:05:533
248599810,4rtkit-daemon2484-21rtkit-daemon08:03:543
248599810,4rtkit-daemon2484-21rtkit-daemon07:40:543
248599810,4rtkit-daemon2484-21rtkit-daemon07:40:543
248599810,4rtkit-daemon2484-21rtkit-daemon07:33:173
248599810,4rtkit-daemon2484-21rtkit-daemon07:08:033
248599810,4rtkit-daemon2484-21rtkit-daemon07:08:033
248599810,4rtkit-daemon2484-21rtkit-daemon07:00:193
248599810,4rtkit-daemon2484-21rtkit-daemon06:53:263
248599810,4rtkit-daemon2484-21rtkit-daemon06:35:193
248599810,4rtkit-daemon2484-21rtkit-daemon05:41:073
248599810,4rtkit-daemon2484-21rtkit-daemon05:41:073
248599800,6rtkit-daemon2484-21rtkit-daemon07:45:473
248599800,6rtkit-daemon2484-21rtkit-daemon07:45:473
248599800,4rtkit-daemon2484-21rtkit-daemon10:42:173
248599800,4rtkit-daemon2484-21rtkit-daemon10:14:113
248599800,4rtkit-daemon2484-21rtkit-daemon09:20:283
248599800,4rtkit-daemon2484-21rtkit-daemon08:57:063
248599790,5rtkit-daemon2484-21rtkit-daemon09:51:043
248599790,5rtkit-daemon2484-21rtkit-daemon08:32:003
248599790,4rtkit-daemon2484-21rtkit-daemon10:47:173
248599780,5rtkit-daemon2484-21rtkit-daemon10:05:493
248599770,4rtkit-daemon2484-21rtkit-daemon10:00:263
248599770,4rtkit-daemon2484-21rtkit-daemon07:37:323
248599750,4rtkit-daemon2484-21rtkit-daemon08:01:242
248599740,4rtkit-daemon2484-21rtkit-daemon10:02:191
248599730,9rtkit-daemon2484-21rtkit-daemon09:55:492
248599730,5rtkit-daemon2484-21rtkit-daemon07:28:022
278672673,55sleep00-21swapper/007:33:100
248599660,7rtkit-daemon0-21swapper/110:07:040
248599650,9rtkit-daemon0-21swapper/108:02:390
248599650,11rtkit-daemon2484-21rtkit-daemon10:05:342
296872643,53sleep00-21swapper/009:59:310
248599640,9rtkit-daemon0-21swapper/108:32:220
248599640,7rtkit-daemon0-21swapper/109:50:270
248599640,4rtkit-daemon2484-21rtkit-daemon09:44:352
248599630,7rtkit-daemon0-21swapper/108:34:370
248599630,6rtkit-daemon0-21swapper/110:09:260
248599630,5rtkit-daemon2484-21rtkit-daemon07:46:172
248599630,5rtkit-daemon2484-21rtkit-daemon07:46:172
248599630,4rtkit-daemon2484-21rtkit-daemon09:59:342
248599630,4rtkit-daemon2484-21rtkit-daemon08:20:302
248599620,7rtkit-daemon0-21swapper/105:24:450
248599620,5rtkit-daemon2484-21rtkit-daemon07:38:252
248599620,11rtkit-daemon2484-21rtkit-daemon08:24:532
248599620,11rtkit-daemon2484-21rtkit-daemon08:24:532
165732624,51sleep00-21swapper/010:26:320
165732624,51sleep00-21swapper/010:26:320
255762614,13sleep00-21swapper/010:39:460
248599610,5rtkit-daemon2484-21rtkit-daemon07:40:322
248599610,5rtkit-daemon2484-21rtkit-daemon07:40:322
248599610,4rtkit-daemon2484-21rtkit-daemon09:30:432
248599610,4rtkit-daemon2484-21rtkit-daemon08:43:222
248599610,4rtkit-daemon2484-21rtkit-daemon06:41:042
248599600,5rtkit-daemon2484-21rtkit-daemon10:17:032
248599600,4rtkit-daemon2484-21rtkit-daemon09:06:292
248599600,4rtkit-daemon2484-21rtkit-daemon09:06:292
2863999595,37cyclictest0-21swapper/006:59:560
2863999594,49cyclictest0-21swapper/008:45:230
2863999593,12cyclictest0-21swapper/007:34:570
248599590,5rtkit-daemon2484-21rtkit-daemon08:54:142
28641995812,10cyclictest1419-21runrttasks10:38:202
2863999586,33cyclictest0-21swapper/007:54:250
2863999583,40cyclictest0-21swapper/009:57:380
248599580,5rtkit-daemon2484-21rtkit-daemon10:33:252
248599580,5rtkit-daemon2484-21rtkit-daemon07:52:012
28641995712,38cyclictest0-21swapper/210:19:512
248599570,6rtkit-daemon2484-21rtkit-daemon06:31:272
248599570,5rtkit-daemon2484-21rtkit-daemon10:50:092
248599570,5rtkit-daemon2484-21rtkit-daemon10:26:252
248599570,5rtkit-daemon2484-21rtkit-daemon10:26:252
248599570,5rtkit-daemon2484-21rtkit-daemon09:52:422
248599570,5rtkit-daemon2484-21rtkit-daemon05:46:362
248599570,4rtkit-daemon2484-21rtkit-daemon09:25:132
248599570,4rtkit-daemon2484-21rtkit-daemon09:01:362
248599570,4rtkit-daemon2484-21rtkit-daemon07:00:332
248599570,4rtkit-daemon2484-21rtkit-daemon05:33:292
327222563,45sleep20-21swapper/209:14:472
2864099564,45cyclictest0-21swapper/107:59:251
28639995624,13cyclictest0-21swapper/006:39:570
248599560,6rtkit-daemon2484-21rtkit-daemon10:46:472
248599560,6rtkit-daemon2484-21rtkit-daemon05:56:142
248599560,6rtkit-daemon2484-21rtkit-daemon05:27:002
248599560,5rtkit-daemon2484-21rtkit-daemon09:44:052
248599560,5rtkit-daemon2484-21rtkit-daemon09:22:132
248599560,5rtkit-daemon2484-21rtkit-daemon09:12:062
248599560,5rtkit-daemon2484-21rtkit-daemon08:56:062
248599560,5rtkit-daemon2484-21rtkit-daemon08:37:302
248599560,5rtkit-daemon2484-21rtkit-daemon08:18:532
248599560,5rtkit-daemon2484-21rtkit-daemon07:56:162
248599560,5rtkit-daemon2484-21rtkit-daemon07:32:022
248599560,5rtkit-daemon2484-21rtkit-daemon07:22:552
248599560,5rtkit-daemon2484-21rtkit-daemon07:11:332
248599560,5rtkit-daemon2484-21rtkit-daemon06:59:192
248599560,5rtkit-daemon2484-21rtkit-daemon06:50:112
248599560,5rtkit-daemon2484-21rtkit-daemon05:51:062
248599560,4rtkit-daemon2484-21rtkit-daemon10:40:472
248599560,4rtkit-daemon2484-21rtkit-daemon06:49:042
235382563,9sleep00-21swapper/007:25:240
19872563,44sleep12031-21munin-node10:04:481
28640995516,30cyclictest24799-21df_abs10:39:361
248599550,6rtkit-daemon2484-21rtkit-daemon08:44:522
248599550,6rtkit-daemon2484-21rtkit-daemon06:01:582
248599550,5rtkit-daemon2484-21rtkit-daemon09:35:272
248599550,5rtkit-daemon2484-21rtkit-daemon08:29:302
248599550,5rtkit-daemon2484-21rtkit-daemon08:10:012
248599550,5rtkit-daemon2484-21rtkit-daemon07:18:402
248599550,5rtkit-daemon2484-21rtkit-daemon06:24:352
248599550,5rtkit-daemon2484-21rtkit-daemon06:10:202
248599550,5rtkit-daemon12204-21munin-node07:04:412
248599550,5rtkit-daemon12204-21munin-node07:04:412
248599550,4rtkit-daemon2484-21rtkit-daemon06:15:202
248599550,4rtkit-daemon2484-21rtkit-daemon05:40:072
248599550,4rtkit-daemon2484-21rtkit-daemon05:40:072
2864099545,41cyclictest0-21swapper/108:34:361
2863999546,42cyclictest0-21swapper/008:21:340
2863999545,29cyclictest0-21swapper/008:04:450
2863999544,29cyclictest0-21swapper/008:09:460
28639995421,13cyclictest0-21swapper/010:33:420
28639995410,25cyclictest0-21swapper/009:09:240
248599540,5rtkit-daemon2484-21rtkit-daemon06:37:192
248599540,5rtkit-daemon2484-21rtkit-daemon06:09:062
248599540,4rtkit-daemon2484-21rtkit-daemon08:07:462
2863999535,28cyclictest0-21swapper/009:31:560
2863999535,28cyclictest0-21swapper/008:54:380
2863999535,27cyclictest0-21swapper/009:20:350
2863999534,29cyclictest1419-21runrttasks07:47:330
2863999534,29cyclictest1419-21runrttasks07:47:330
2863999534,28cyclictest0-21swapper/009:04:560
2863999534,28cyclictest0-21swapper/009:04:560
2863999534,27cyclictest16670-21grep08:49:560
2863999533,36cyclictest0-21swapper/010:49:110
2863999533,36cyclictest0-21swapper/007:42:060
2863999533,36cyclictest0-21swapper/007:42:060
2863999533,34cyclictest0-21swapper/005:29:430
2863999532,33cyclictest31352-21grep10:49:310
248599530,5rtkit-daemon2484-21rtkit-daemon05:35:222
248599530,4rtkit-daemon2484-21rtkit-daemon06:23:122
248599530,4rtkit-daemon2484-21rtkit-daemon06:23:122
244022533,44sleep00-21swapper/009:03:320
233912533,43sleep123395-21rm10:36:531
225612533,43sleep00-21swapper/006:18:530
193892533,10sleep00-21swapper/006:09:590
85512523,10sleep00-21swapper/009:27:020
318442523,42sleep00-21swapper/006:35:260
304662522,43sleep10-21swapper/107:35:081
2864099524,26cyclictest0-21swapper/109:38:061
2864099523,44cyclictest0-21swapper/105:54:511
2864099523,43cyclictest0-21swapper/109:39:581
2864099523,43cyclictest0-21swapper/107:49:571
2864099523,21cyclictest0-21swapper/109:27:341
28640995213,33cyclictest201ktimersoftd/109:48:501
2863999526,27cyclictest0-21swapper/005:34:560
2863999525,31cyclictest0-21swapper/010:14:370
2863999525,28cyclictest0-21swapper/006:24:590
2863999525,27cyclictest0-21swapper/008:17:470
2863999524,32cyclictest0-21swapper/010:20:280
2863999524,27cyclictest0-21swapper/007:06:310
2863999524,27cyclictest0-21swapper/007:06:310
2863999524,26cyclictest11310-21needreboot07:54:500
2863999524,13cyclictest0-21swapper/010:34:490
28639995220,14cyclictest0-21swapper/009:19:220
2864099515,38cyclictest0-21swapper/109:04:331
2864099515,38cyclictest0-21swapper/109:04:331
28640995114,12cyclictest0-21swapper/108:04:501
2863999514,29cyclictest0-21swapper/005:54:500
2863999514,28cyclictest0-21swapper/007:09:550
2863999514,28cyclictest0-21swapper/006:49:450
2863999514,28cyclictest0-21swapper/006:19:410
2863999514,28cyclictest0-21swapper/006:19:410
28639995119,13cyclictest0-21swapper/007:19:400
28639995117,8cyclictest121850irq/46-eth009:39:560
257902512,9sleep10-21swapper/109:53:271
157182513,40sleep015802-21aten_r1power_po06:04:430
153092513,41sleep00-21swapper/009:37:020
80022502,42sleep10-21swapper/105:46:061
32222502,40sleep10-21swapper/107:44:361
32222502,40sleep10-21swapper/107:44:361
2864099504,40cyclictest0-21swapper/109:09:401
2864099504,38cyclictest0-21swapper/108:29:351
2864099504,28cyclictest0-21swapper/108:14:251
2864099503,42cyclictest0-21swapper/107:59:551
28640995021,13cyclictest0-21swapper/110:49:291
2863999504,27cyclictest0-21swapper/006:44:510
2863999504,27cyclictest0-21swapper/005:49:510
28639995018,13cyclictest0-21swapper/008:40:460
131122503,9sleep00-21swapper/005:59:310
92222492,42sleep10-21swapper/106:56:591
68092492,40sleep10-21swapper/110:12:501
57142492,9sleep10-21swapper/105:42:231
57142492,9sleep10-21swapper/105:42:231
2864199494,27cyclictest0-21swapper/205:24:322
2864099494,39cyclictest0-21swapper/108:24:361
2864099494,39cyclictest0-21swapper/108:24:361
28640994931,11cyclictest12896-21gltestperf07:04:471
28640994931,11cyclictest12896-21gltestperf07:04:471
2864099493,42cyclictest0-21swapper/106:02:561
2864099493,40cyclictest0-21swapper/107:32:451
2864099493,21cyclictest0-21swapper/106:41:031
2863999494,28cyclictest0-21swapper/007:15:010
2863999494,26cyclictest0-21swapper/005:49:190
272142492,9sleep10-21swapper/106:27:251
24552492,40sleep10-21swapper/106:44:341
200452492,39sleep10-21swapper/110:31:571
164072492,39sleep10-21swapper/107:12:151
11412492,40sleep10-21swapper/109:15:061
318672482,39sleep10-21swapper/106:35:431
2864099485,13cyclictest0-21swapper/107:39:451
2864099485,13cyclictest0-21swapper/107:39:451
2864099484,24cyclictest0-21swapper/106:09:411
28640994832,10cyclictest14563-21tr10:24:321
28640994832,10cyclictest14563-21tr10:24:321
2864099483,39cyclictest0-21swapper/109:20:191
2864099483,39cyclictest0-21swapper/108:18:431
2864099483,30cyclictest0-21swapper/108:41:001
28640994824,9cyclictest11678-21fschecks_time10:19:381
28640994820,12cyclictest0-21swapper/108:59:471
28640994819,12cyclictest0-21swapper/106:29:411
28640994818,12cyclictest0-21swapper/110:14:451
2863999484,26cyclictest0-21swapper/006:29:460
203612482,40sleep10-21swapper/108:56:031
95712472,9sleep10-21swapper/106:59:291
56862473,9sleep00-21swapper/005:42:020
56862473,9sleep00-21swapper/005:42:020
2864099475,36cyclictest1419-21runrttasks06:05:561
2864099474,12cyclictest0-21swapper/109:33:491
28640994723,9cyclictest23478-21yum07:25:021
285282474,6sleep00-21swapper/005:23:320
133952472,38sleep10-21swapper/108:45:111
11872472,9sleep10-21swapper/105:34:331
104072472,38sleep10-21swapper/105:51:221
2864099464,18cyclictest28350-21sshd09:55:291
28640994628,12cyclictest0-21swapper/110:47:351
2863999469,18cyclictest0-21swapper/006:54:420
213452463,8sleep121419-21if_eth006:14:511
212452462,37sleep10-21swapper/107:22:511
2864299456,22cyclictest28617-21latency_hist05:24:323
28640994532,8cyclictest17739-21hwlatdetect07:14:461
28640994527,12cyclictest0-21swapper/108:49:371
284722454,35sleep10-21swapper/105:22:491
249032452,9sleep10-21swapper/106:23:221
249032452,9sleep10-21swapper/106:23:221
306792442,35sleep10-21swapper/105:25:181
69702432,9sleep10-21swapper/106:53:451
2864099434,33cyclictest0-21swapper/105:29:431
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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