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2026-07-16 - 23:14

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 Thu Jul 16, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
36669911525,24cyclictest5838-21cpu10:04:282
3664991154,102cyclictest0-21swapper/008:04:480
3664991114,60cyclictest0-21swapper/010:24:470
3664991114,60cyclictest0-21swapper/010:24:470
3664991114,58cyclictest0-21swapper/009:54:500
3664991093,54cyclictest0-21swapper/010:29:280
36649910633,13cyclictest0-21swapper/011:04:260
36669910441,12cyclictest0-21swapper/209:19:182
36669910232,13cyclictest0-21swapper/209:21:512
3664991013,55cyclictest0-21swapper/010:04:490
3666999731,13cyclictest0-21swapper/211:16:022
366499964,56cyclictest0-21swapper/008:54:330
366499933,53cyclictest24662-21ssh09:44:460
219499910,5rtkit-daemon2193-21rtkit-daemon06:54:412
219499910,5rtkit-daemon2193-21rtkit-daemon06:51:563
219499900,5rtkit-daemon2193-21rtkit-daemon07:09:402
366699884,30cyclictest0-21swapper/210:24:342
366699884,30cyclictest0-21swapper/210:24:342
219499880,5rtkit-daemon2193-21rtkit-daemon09:03:132
219499870,5rtkit-daemon2193-21rtkit-daemon08:41:222
219499870,5rtkit-daemon2193-21rtkit-daemon06:28:273
219499860,5rtkit-daemon2193-21rtkit-daemon06:49:562
219499850,5rtkit-daemon2193-21rtkit-daemon07:36:173
219499850,4rtkit-daemon2193-21rtkit-daemon07:57:313
219499850,4rtkit-daemon2193-21rtkit-daemon06:56:413
219499840,5rtkit-daemon2193-21rtkit-daemon08:45:593
219499840,5rtkit-daemon2193-21rtkit-daemon06:46:563
219499840,4rtkit-daemon2193-21rtkit-daemon09:21:203
219499830,5rtkit-daemon2193-21rtkit-daemon06:59:333
219499830,4rtkit-daemon2193-21rtkit-daemon08:42:523
219499830,4rtkit-daemon2193-21rtkit-daemon08:02:233
219499830,4rtkit-daemon2193-21rtkit-daemon07:54:093
219499830,4rtkit-daemon2193-21rtkit-daemon07:33:093
219499830,4rtkit-daemon2193-21rtkit-daemon07:20:323
219499820,5rtkit-daemon2193-21rtkit-daemon06:37:273
219499820,4rtkit-daemon2193-21rtkit-daemon09:12:283
219499820,4rtkit-daemon2193-21rtkit-daemon08:59:063
219499820,4rtkit-daemon2193-21rtkit-daemon08:21:453
219499820,4rtkit-daemon2193-21rtkit-daemon08:14:233
219499820,4rtkit-daemon2193-21rtkit-daemon07:47:243
219499820,4rtkit-daemon2193-21rtkit-daemon07:47:243
219499820,4rtkit-daemon2193-21rtkit-daemon07:42:473
219499820,4rtkit-daemon2193-21rtkit-daemon07:27:173
219499820,4rtkit-daemon2193-21rtkit-daemon07:09:483
219499820,4rtkit-daemon2193-21rtkit-daemon07:07:403
219499820,4rtkit-daemon2193-21rtkit-daemon07:07:403
219499820,4rtkit-daemon2193-21rtkit-daemon06:41:043
219499820,4rtkit-daemon2193-21rtkit-daemon06:32:423
219499810,5rtkit-daemon2193-21rtkit-daemon08:36:143
219499810,5rtkit-daemon2193-21rtkit-daemon08:07:083
219499810,4rtkit-daemon2193-21rtkit-daemon09:17:203
219499810,4rtkit-daemon2193-21rtkit-daemon08:52:513
219499810,4rtkit-daemon2193-21rtkit-daemon08:30:373
219499810,4rtkit-daemon2193-21rtkit-daemon08:09:533
219499800,4rtkit-daemon2193-21rtkit-daemon09:00:213
219499800,4rtkit-daemon2193-21rtkit-daemon07:19:023
219499790,4rtkit-daemon2193-21rtkit-daemon09:07:283
219499790,4rtkit-daemon2193-21rtkit-daemon09:07:283
219499790,4rtkit-daemon2193-21rtkit-daemon08:25:373
219499790,4rtkit-daemon2193-21rtkit-daemon08:25:373
366499724,61cyclictest0-21swapper/009:24:520
3666997140,13cyclictest0-21swapper/210:04:162
366799708,51cyclictest0-21swapper/311:24:143
366599693,58cyclictest0-21swapper/110:29:451
366499683,57cyclictest0-21swapper/009:18:220
3666996738,13cyclictest0-21swapper/209:09:462
366499674,55cyclictest0-21swapper/009:24:190
262742678,51sleep20-21swapper/209:48:252
102182673,57sleep10-21swapper/111:37:421
366599665,52cyclictest0-21swapper/109:54:441
3665996619,41cyclictest0-21swapper/110:39:261
366499663,55cyclictest0-21swapper/011:09:250
366499663,55cyclictest0-21swapper/011:09:250
366799654,46cyclictest0-21swapper/311:47:483
366799654,46cyclictest0-21swapper/311:47:483
3666996540,11cyclictest0-21swapper/208:34:152
366599655,52cyclictest18286-21perl11:04:311
3666996435,14cyclictest0-21swapper/208:50:182
3666996434,14cyclictest0-21swapper/211:39:012
366599644,51cyclictest0-21swapper/109:04:331
366599644,51cyclictest0-21swapper/109:04:331
366499644,52cyclictest0-21swapper/008:24:320
366499644,52cyclictest0-21swapper/008:24:320
366499643,55cyclictest0-21swapper/007:33:500
366499643,54cyclictest0-21swapper/009:33:150
366499643,54cyclictest0-21swapper/009:04:410
366499643,54cyclictest0-21swapper/009:04:410
366499643,53cyclictest0-21swapper/011:34:320
366499643,53cyclictest0-21swapper/008:59:410
219499640,4rtkit-daemon2193-21rtkit-daemon08:06:382
366599636,49cyclictest12446-21memory08:44:441
366599634,52cyclictest0-21swapper/111:33:541
366599633,54cyclictest0-21swapper/110:27:171
366599633,54cyclictest0-21swapper/110:27:171
219499630,7rtkit-daemon0-21swapper/208:30:071
219499630,5rtkit-daemon2193-21rtkit-daemon09:06:132
219499630,5rtkit-daemon2193-21rtkit-daemon09:06:132
219499630,5rtkit-daemon2193-21rtkit-daemon07:52:392
219499630,5rtkit-daemon12260-21strings06:39:491
3666996234,13cyclictest0-21swapper/209:31:332
366599626,49cyclictest0-21swapper/110:02:481
366499624,50cyclictest0-21swapper/010:49:410
366499624,50cyclictest0-21swapper/009:59:420
366499624,50cyclictest0-21swapper/008:39:210
3664996230,19cyclictest17229-21proc_pri09:34:460
366499623,50cyclictest0-21swapper/011:39:290
3666996136,11cyclictest0-21swapper/208:54:472
3666996135,10cyclictest27921-21iostat09:49:392
3666996133,14cyclictest0-21swapper/210:52:212
3666996133,13cyclictest0-21swapper/210:29:352
3666996133,12cyclictest0-21swapper/210:54:242
366599615,49cyclictest0-21swapper/110:16:431
366599614,51cyclictest0-21swapper/111:20:221
366599614,50cyclictest0-21swapper/110:05:061
366599614,50cyclictest0-21swapper/107:04:241
366599614,49cyclictest1653-21taskset09:14:361
3665996121,33cyclictest15958-21if_eth008:49:411
366499614,51cyclictest0-21swapper/008:44:370
366499614,50cyclictest0-21swapper/010:44:300
366499614,49cyclictest0-21swapper/011:19:290
366499614,49cyclictest0-21swapper/011:00:440
3664996131,13cyclictest0-21swapper/011:14:410
366499613,52cyclictest0-21swapper/010:15:510
366499613,51cyclictest0-21swapper/011:44:450
366499613,51cyclictest0-21swapper/011:44:450
366499613,50cyclictest0-21swapper/010:54:260
366499613,22cyclictest9142-21sort08:39:510
219499610,5rtkit-daemon2193-21rtkit-daemon08:28:072
219499610,5rtkit-daemon2193-21rtkit-daemon08:28:072
219499610,4rtkit-daemon2193-21rtkit-daemon08:44:222
3666996033,12cyclictest0-21swapper/209:38:532
3666996032,13cyclictest0-21swapper/208:37:542
3666996031,14cyclictest0-21swapper/210:48:122
366599606,48cyclictest0-21swapper/111:27:171
366599604,50cyclictest0-21swapper/107:04:351
366599604,50cyclictest0-21swapper/107:04:351
366599604,49cyclictest0-21swapper/111:39:231
366599604,49cyclictest0-21swapper/110:13:381
366599604,49cyclictest0-21swapper/109:11:181
366599604,49cyclictest0-21swapper/106:32:091
366599603,50cyclictest0-21swapper/108:39:511
366499604,50cyclictest0-21swapper/009:50:380
3664996032,13cyclictest0-21swapper/011:24:350
366499603,50cyclictest0-21swapper/008:09:320
366499603,49cyclictest0-21swapper/010:09:400
366799594,25cyclictest0-21swapper/311:02:443
3666995931,13cyclictest0-21swapper/211:50:442
3666995931,12cyclictest0-21swapper/210:39:402
3666995930,13cyclictest0-21swapper/211:00:472
3666995927,14cyclictest0-21swapper/207:44:422
3666995927,14cyclictest0-21swapper/207:44:422
366599595,47cyclictest1227-21runrttasks11:01:521
366599593,48cyclictest0-21swapper/111:10:141
366599593,48cyclictest0-21swapper/111:10:141
366599593,14cyclictest28437-21fschecks_time10:34:331
366499593,51cyclictest0-21swapper/011:52:420
366499593,49cyclictest0-21swapper/011:29:440
366499593,49cyclictest0-21swapper/010:34:320
366499593,49cyclictest0-21swapper/008:49:340
3664995921,32cyclictest29726-21aten_r1power_fr09:09:290
366699584,38cyclictest0-21swapper/211:32:172
3666995833,12cyclictest0-21swapper/211:47:102
3666995833,12cyclictest0-21swapper/211:47:102
3666995832,12cyclictest0-21swapper/210:20:412
3666995831,13cyclictest0-21swapper/209:24:522
3666995830,13cyclictest0-21swapper/210:38:152
366599585,11cyclictest3959-21memory10:44:381
366599584,48cyclictest0-21swapper/110:52:391
366599584,47cyclictest0-21swapper/109:45:531
366599583,11cyclictest0-21swapper/108:04:401
366499583,49cyclictest0-21swapper/009:39:290
366499583,49cyclictest0-21swapper/006:27:020
366499582,50cyclictest0-21swapper/010:39:300
219499580,5rtkit-daemon2193-21rtkit-daemon08:15:452
219499580,5rtkit-daemon2193-21rtkit-daemon07:26:022
219499580,4rtkit-daemon2193-21rtkit-daemon07:57:012
219499580,4rtkit-daemon2193-21rtkit-daemon06:47:192
194622583,11sleep30-21swapper/311:04:583
3667995724,25cyclictest0-21swapper/311:11:243
3667995724,25cyclictest0-21swapper/311:11:243
3666995732,11cyclictest0-21swapper/206:25:422
3666995730,13cyclictest0-21swapper/211:43:032
366599575,45cyclictest0-21swapper/108:38:181
3665995741,10cyclictest21305-21unixbench_multi09:39:511
366599574,48cyclictest0-21swapper/109:01:461
366599574,47cyclictest0-21swapper/110:23:511
366599574,46cyclictest0-21swapper/109:29:291
366599574,13cyclictest0-21swapper/111:14:451
366499574,46cyclictest0-21swapper/006:54:350
366499573,47cyclictest0-21swapper/007:54:400
366499573,47cyclictest0-21swapper/007:34:330
366499573,47cyclictest0-21swapper/006:24:250
366499573,47cyclictest0-21swapper/006:24:250
219499570,5rtkit-daemon2193-21rtkit-daemon07:39:092
219499570,5rtkit-daemon2193-21rtkit-daemon07:06:252
219499570,5rtkit-daemon2193-21rtkit-daemon07:06:252
219499570,4rtkit-daemon2193-21rtkit-daemon08:12:002
219499570,4rtkit-daemon2193-21rtkit-daemon06:40:492
219499570,4rtkit-daemon2193-21rtkit-daemon06:36:572
366799564,37cyclictest0-21swapper/309:29:393
366799564,23cyclictest0-21swapper/310:04:373
366699564,37cyclictest0-21swapper/211:04:282
3666995620,16cyclictest0-21swapper/209:54:372
3666995619,16cyclictest0-21swapper/211:09:372
3666995619,16cyclictest0-21swapper/211:09:372
3666995610,28cyclictest0-21swapper/211:19:342
366599565,30cyclictest0-21swapper/107:12:551
366599564,29cyclictest0-21swapper/107:43:291
366599563,8cyclictest15543-21grep11:44:311
366599563,8cyclictest15543-21grep11:44:311
219499560,5rtkit-daemon2193-21rtkit-daemon10:19:400
219499560,5rtkit-daemon2193-21rtkit-daemon07:30:022
219499560,5rtkit-daemon2193-21rtkit-daemon07:15:332
219499560,5rtkit-daemon2193-21rtkit-daemon06:29:272
219499560,4rtkit-daemon2193-21rtkit-daemon08:22:002
219499560,4rtkit-daemon2193-21rtkit-daemon07:39:472
219499560,4rtkit-daemon2193-21rtkit-daemon07:01:182
366799554,28cyclictest0-21swapper/310:49:143
3667995537,11cyclictest24930-21cut10:29:343
366699554,43cyclictest0-21swapper/210:09:272
3666995534,10cyclictest0-21swapper/211:28:212
3666995526,13cyclictest0-21swapper/209:41:222
366599556,28cyclictest0-21swapper/109:36:041
366599553,47cyclictest0-21swapper/111:49:361
366499554,46cyclictest0-21swapper/008:33:050
3664995528,10cyclictest0-21swapper/007:19:410
366499552,47cyclictest0-21swapper/007:04:470
366499552,47cyclictest0-21swapper/007:04:470
326672553,45sleep032756-21cpuspeed07:24:350
316172553,45sleep10-21swapper/108:27:361
316172553,45sleep10-21swapper/108:27:361
314952553,10sleep30-21swapper/311:22:523
219499550,4rtkit-daemon11405-21timerwakeupswit07:44:541
219499550,4rtkit-daemon11405-21timerwakeupswit07:44:541
219499550,3rtkit-daemon19789-21ssh08:54:441
185262553,45sleep00-21swapper/007:59:540
366799544,31cyclictest0-21swapper/311:39:363
366799544,25cyclictest0-21swapper/310:23:303
3667995418,22cyclictest6466-21aten_r1power_cu10:49:243
3666995425,13cyclictest0-21swapper/210:14:222
366599545,28cyclictest0-21swapper/109:50:061
366599545,27cyclictest0-21swapper/109:20:161
366599544,10cyclictest0-21swapper/107:49:491
366599543,10cyclictest0-21swapper/108:14:471
219499540,4rtkit-daemon2193-21rtkit-daemon08:03:082
219499540,4rtkit-daemon2193-21rtkit-daemon07:19:322
366799538,26cyclictest0-21swapper/309:37:153
366799534,34cyclictest0-21swapper/309:49:343
3667995329,9cyclictest19461-21iostat11:49:343
366599534,43cyclictest0-21swapper/106:34:491
366599533,9cyclictest8443-21munin-node09:24:281
366599533,10cyclictest0-21swapper/110:57:091
366599533,10cyclictest0-21swapper/108:10:481
366599533,10cyclictest0-21swapper/107:54:541
366599533,10cyclictest0-21swapper/107:34:451
366499534,43cyclictest0-21swapper/007:09:360
366499533,44cyclictest0-21swapper/007:49:410
366799524,29cyclictest0-21swapper/311:34:463
3667995222,12cyclictest0-21swapper/311:14:243
366599523,10cyclictest0-21swapper/108:19:331
3664995217,29cyclictest8391-21if_eth007:39:420
366799514,29cyclictest0-21swapper/310:56:073
366799514,13cyclictest0-21swapper/310:36:293
3667995120,13cyclictest0-21swapper/309:39:283
3667995114,20cyclictest0-21swapper/310:09:363
366599514,29cyclictest0-21swapper/107:29:341
366599514,26cyclictest0-21swapper/107:23:061
3665995135,10cyclictest18543-21tr06:54:371
366599513,10cyclictest0-21swapper/107:29:221
366499512,43cyclictest0-21swapper/008:14:420
366799505,31cyclictest0-21swapper/311:30:033
366799504,39cyclictest0-21swapper/310:39:253
366799504,28cyclictest0-21swapper/309:44:393
3667995012,13cyclictest0-21swapper/310:03:273
366599505,28cyclictest0-21swapper/106:24:411
366599504,26cyclictest0-21swapper/107:59:321
366599504,26cyclictest0-21swapper/106:47:041
3664995034,10cyclictest41ktimersoftd/006:39:580
366499503,42cyclictest21179-21forks06:59:400
366499503,41cyclictest0-21swapper/006:49:350
366499502,42cyclictest0-21swapper/007:44:350
366499502,42cyclictest0-21swapper/007:44:350
285402502,42sleep00-21swapper/008:22:350
366799494,26cyclictest0-21swapper/310:16:103
366799494,13cyclictest0-21swapper/310:28:243
366799494,13cyclictest0-21swapper/310:28:243
366799494,12cyclictest0-21swapper/309:27:103
83762482,9sleep00-21swapper/006:33:480
366499483,40cyclictest0-21swapper/006:44:340
366499482,40cyclictest0-21swapper/006:34:440
319662482,39sleep30-21swapper/309:54:473
366499472,40cyclictest0-21swapper/007:14:500
297482473,39sleep10-21swapper/107:17:141
366599453,25cyclictest0-21swapper/106:51:121
34302424,6sleep20-21swapper/206:21:492
34302424,6sleep20-21swapper/206:21:492
219499370,5rtkit-daemon2193-21rtkit-daemon06:21:423
219499370,5rtkit-daemon2193-21rtkit-daemon06:21:423
366599366,23cyclictest0-21swapper/106:24:251
366599366,23cyclictest0-21swapper/106:24:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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