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2026-04-03 - 16:46

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 792 highest latencies:
System rack1slot6s.osadl.org (updated Fri Apr 03, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20476991006,70cyclictest0-21swapper/008:25:540
248599990,7rtkit-daemon0-21swapper/108:10:461
248599990,6rtkit-daemon0-21swapper/105:26:001
2047699995,72cyclictest0-21swapper/009:25:440
2047699995,72cyclictest0-21swapper/009:25:440
2048399984,49cyclictest0-21swapper/205:35:462
2047699984,71cyclictest0-21swapper/010:40:270
2047699984,71cyclictest0-21swapper/010:40:270
2047699974,68cyclictest0-21swapper/010:07:070
20476999720,70cyclictest4105-21proc_pri10:20:440
2047699959,62cyclictest0-21swapper/010:45:500
2047699954,71cyclictest0-21swapper/009:44:380
2047699954,70cyclictest0-21swapper/009:55:340
2047699944,67cyclictest0-21swapper/009:31:310
2047699935,68cyclictest0-21swapper/007:25:470
2047699934,71cyclictest0-21swapper/009:47:500
2047699934,70cyclictest1419-21runrttasks07:45:530
2047699934,63cyclictest0-21swapper/007:20:350
2047699926,69cyclictest0-21swapper/008:35:360
2047699925,68cyclictest0-21swapper/009:35:300
2047699924,69cyclictest0-21swapper/007:40:390
2047699924,67cyclictest0-21swapper/008:42:130
2047699924,64cyclictest0-21swapper/010:02:540
2047699924,64cyclictest0-21swapper/010:02:540
2047699923,21cyclictest16694-21ssh08:15:460
2047699915,69cyclictest0-21swapper/010:50:190
2047699914,70cyclictest0-21swapper/010:35:160
2047699914,68cyclictest0-21swapper/006:40:470
2047699914,65cyclictest0-21swapper/008:46:440
2047699914,65cyclictest0-21swapper/008:46:440
2047699914,63cyclictest0-21swapper/010:12:080
2047699914,62cyclictest0-21swapper/010:38:450
2047699913,24cyclictest3232-21needreboot07:55:460
20476999118,8cyclictest15858-21ssh09:02:480
20476999116,56cyclictest0-21swapper/007:50:580
2047699904,68cyclictest0-21swapper/009:16:130
2047699904,68cyclictest0-21swapper/008:20:340
2047699904,63cyclictest0-21swapper/009:53:160
2047699894,77cyclictest17539-21fschecks_count07:30:400
2047699894,77cyclictest17539-21fschecks_count07:30:400
2047699894,69cyclictest0-21swapper/010:25:290
2047699894,66cyclictest0-21swapper/005:33:280
2047699894,64cyclictest0-21swapper/008:10:380
2047699894,62cyclictest0-21swapper/008:57:490
2047699894,62cyclictest0-21swapper/008:34:460
20476998919,52cyclictest0-21swapper/005:55:470
20476998913,13cyclictest0-21swapper/006:35:540
2047699885,61cyclictest0-21swapper/009:24:140
2047699884,63cyclictest0-21swapper/008:53:130
20476998819,51cyclictest0-21swapper/008:00:590
2047699874,72cyclictest0-21swapper/007:15:350
2047699873,23cyclictest8793-21sh08:05:340
2047699873,23cyclictest8793-21sh08:05:340
2047699873,21cyclictest0-21swapper/005:38:290
2047699873,20cyclictest0-21swapper/009:07:150
20476998717,55cyclictest0-21swapper/007:36:440
2047699864,67cyclictest0-21swapper/005:43:300
2047699864,66cyclictest0-21swapper/010:19:380
2047699864,66cyclictest0-21swapper/009:10:590
2047699864,60cyclictest0-21swapper/006:45:400
2047699864,60cyclictest0-21swapper/006:05:460
2047699864,60cyclictest0-21swapper/006:05:460
20476998611,11cyclictest0-21swapper/005:47:150
248599850,5rtkit-daemon2484-21rtkit-daemon05:34:523
2047699853,22cyclictest0-21swapper/005:50:490
2047699853,19cyclictest20659-21kworker/u8:107:05:350
248599840,7rtkit-daemon0-21swapper/109:21:503
248599840,4rtkit-daemon2484-21rtkit-daemon05:45:213
248599840,4rtkit-daemon2484-21rtkit-daemon05:36:073
2047699843,62cyclictest0-21swapper/006:20:450
2047699834,61cyclictest0-21swapper/006:15:440
248599820,5rtkit-daemon2484-21rtkit-daemon08:10:162
248599820,5rtkit-daemon2484-21rtkit-daemon08:10:162
248599820,4rtkit-daemon2484-21rtkit-daemon10:37:553
248599820,4rtkit-daemon2484-21rtkit-daemon06:34:423
2047699824,62cyclictest0-21swapper/007:10:480
248599810,5rtkit-daemon2484-21rtkit-daemon10:34:483
248599810,4rtkit-daemon2484-21rtkit-daemon06:28:203
248599800,4rtkit-daemon2484-21rtkit-daemon09:19:583
248599800,4rtkit-daemon2484-21rtkit-daemon08:09:313
248599800,4rtkit-daemon2484-21rtkit-daemon08:09:313
2047699804,14cyclictest0-21swapper/005:25:270
2047699804,14cyclictest0-21swapper/005:25:270
20476998026,47cyclictest30541-21cat06:50:550
20476998026,47cyclictest30541-21cat06:50:550
248599790,4rtkit-daemon2484-21rtkit-daemon09:20:581
2047699793,69cyclictest5942-21gltestperf06:00:450
248599780,4rtkit-daemon2484-21rtkit-daemon09:22:582
20476997818,8cyclictest17215-21aten_r1power_vo06:25:380
248599770,4rtkit-daemon2484-21rtkit-daemon06:35:491
248599770,20rtkit-daemon0-21swapper/010:00:411
248599770,20rtkit-daemon0-21swapper/010:00:411
2047699774,22cyclictest0-21swapper/006:30:350
20476997720,49cyclictest9889-21aten_r1power_cu06:10:350
248599760,24rtkit-daemon0-21swapper/010:09:491
248599760,19rtkit-daemon0-21swapper/007:45:541
2047699754,64cyclictest0-21swapper/007:00:430
2047699744,14cyclictest0-21swapper/006:56:450
2047699743,19cyclictest0-21swapper/005:25:390
248599690,7rtkit-daemon0-21swapper/105:32:142
248599680,10rtkit-daemon2484-21rtkit-daemon10:40:472
248599680,10rtkit-daemon2484-21rtkit-daemon10:40:472
248599670,5rtkit-daemon2484-21rtkit-daemon10:35:182
248599670,15rtkit-daemon2484-21rtkit-daemon07:49:542
20481996422,23cyclictest6720-21munin-node08:50:331
248599630,4rtkit-daemon2484-21rtkit-daemon05:44:442
2048199634,53cyclictest0-21swapper/109:57:291
248599620,9rtkit-daemon0-21swapper/010:50:471
248599620,7rtkit-daemon121850irq/46-eth010:27:251
248599620,7rtkit-daemon0-21swapper/006:40:571
248599620,4rtkit-daemon2484-21rtkit-daemon09:19:132
20481996222,23cyclictest20186-21munin-node09:10:541
248599610,6rtkit-daemon0-21swapper/008:15:531
248599610,4rtkit-daemon12740-21strings09:45:423
2048399615,48cyclictest0-21swapper/208:30:382
2048399604,48cyclictest0-21swapper/208:35:342
2048199605,12cyclictest0-21swapper/110:15:471
20481996022,14cyclictest0-21swapper/108:42:591
248599590,6rtkit-daemon0-21swapper/209:44:053
2048499598,32cyclictest28092-21ssh07:45:403
2048499594,24cyclictest0-21swapper/309:10:403
20483995941,12cyclictest0-21swapper/209:30:452
2048199594,12cyclictest1287-21snmpd09:07:141
248599580,6rtkit-daemon0-21swapper/210:41:173
248599580,6rtkit-daemon0-21swapper/210:41:173
2048499587,44cyclictest0-21swapper/306:15:403
20483995838,13cyclictest0-21swapper/208:19:142
20483995838,13cyclictest0-21swapper/207:40:342
20483995838,12cyclictest0-21swapper/210:50:352
20483995823,29cyclictest1419-21runrttasks08:10:402
2048199585,36cyclictest0-21swapper/110:39:141
2048199584,13cyclictest0-21swapper/108:57:581
2048199584,12cyclictest0-21swapper/107:55:211
2048199584,11cyclictest20479-21hddtemp_smartct10:45:341
20481995824,13cyclictest0-21swapper/106:00:261
142862583,46sleep20-21swapper/209:49:162
248599570,4rtkit-daemon2484-21rtkit-daemon06:27:202
2048499578,30cyclictest0-21swapper/306:40:533
2048499574,34cyclictest19686-21yum-updatesd-he09:09:363
20484995713,37cyclictest19344-21sort09:55:433
20484995711,29cyclictest1973-21ssh10:18:573
2048399578,29cyclictest0-21swapper/207:35:222
2048399578,29cyclictest0-21swapper/207:35:222
20483995738,11cyclictest11678-21taskset08:55:502
20481995740,10cyclictest24995-21latency07:40:441
2048199574,13cyclictest0-21swapper/110:12:171
20481995738,12cyclictest5635-21cut09:35:371
248599560,5rtkit-daemon2484-21rtkit-daemon07:23:252
2048499569,39cyclictest29749-21sendmail_mailqu10:10:453
2048399564,45cyclictest0-21swapper/209:05:472
2048399564,35cyclictest0-21swapper/208:00:402
2048399564,33cyclictest0-21swapper/210:05:392
20483995636,13cyclictest0-21swapper/210:03:282
20483995636,13cyclictest0-21swapper/210:03:282
20483995635,13cyclictest0-21swapper/208:40:542
2048199565,15cyclictest0-21swapper/110:23:231
2048199565,15cyclictest0-21swapper/108:22:051
2048199564,13cyclictest0-21swapper/107:30:021
2048199564,12cyclictest0-21swapper/109:18:171
2048199562,40cyclictest0-21swapper/109:05:181
248599550,4rtkit-daemon2484-21rtkit-daemon06:30:572
2048499555,14cyclictest0-21swapper/309:25:383
2048499555,14cyclictest0-21swapper/309:25:383
20484995538,10cyclictest1104-21needreboot08:40:443
20483995540,10cyclictest0-21swapper/210:45:352
20483995540,10cyclictest0-21swapper/210:15:262
2048399554,44cyclictest0-21swapper/208:20:382
2048399554,43cyclictest0-21swapper/210:25:292
20483995533,14cyclictest0-21swapper/209:35:402
20483995517,25cyclictest0-21swapper/209:42:142
2048199554,10cyclictest29128-21aten_r1power_po06:50:351
2048199554,10cyclictest29128-21aten_r1power_po06:50:351
323212543,45sleep132327-21ssh09:26:211
323212543,45sleep132327-21ssh09:26:211
248599540,5rtkit-daemon2484-21rtkit-daemon09:25:582
248599540,5rtkit-daemon2484-21rtkit-daemon09:25:582
2048499544,34cyclictest0-21swapper/307:54:143
20484995436,10cyclictest10574-21cut06:10:433
20483995439,10cyclictest0-21swapper/207:39:152
20483995418,19cyclictest4480-21unixbench_multi10:20:492
2048199545,30cyclictest0-21swapper/108:45:521
2048199545,30cyclictest0-21swapper/108:45:521
2048199544,30cyclictest0-21swapper/108:03:371
20481995435,11cyclictest9485-21grep07:15:421
2048499538,39cyclictest0-21swapper/308:30:453
2048499538,38cyclictest0-21swapper/309:01:073
2048499534,14cyclictest25679-21tail07:40:543
2048499533,43cyclictest0-21swapper/310:53:133
2048499533,42cyclictest0-21swapper/308:20:443
20484995317,18cyclictest15350-21nscd08:10:413
20484995311,35cyclictest2722-21munin-node10:20:423
20484995311,33cyclictest0-21swapper/306:45:573
2048399534,42cyclictest0-21swapper/210:30:342
2048399534,32cyclictest0-21swapper/209:01:512
2048399533,43cyclictest0-21swapper/208:50:362
2048199535,29cyclictest0-21swapper/107:20:391
2048199535,26cyclictest2549-21memory09:30:411
2048199534,31cyclictest0-21swapper/106:45:351
2048199534,30cyclictest0-21swapper/108:09:201
2048199534,30cyclictest0-21swapper/108:09:201
2048199534,30cyclictest0-21swapper/107:30:471
2048199534,30cyclictest0-21swapper/107:30:471
2048199534,29cyclictest0-21swapper/110:30:281
2048199534,29cyclictest0-21swapper/108:30:461
2048499526,39cyclictest0-21swapper/305:55:453
2048499526,29cyclictest0-21swapper/308:15:363
2048499524,13cyclictest0-21swapper/310:09:363
20484995219,12cyclictest0-21swapper/307:30:043
20484995218,26cyclictest31506-21sh08:38:273
2048399524,41cyclictest0-21swapper/207:50:442
2048399524,40cyclictest0-21swapper/210:10:502
20483995215,24cyclictest0-21swapper/208:49:482
20483995215,24cyclictest0-21swapper/208:49:482
2048199524,29cyclictest0-21swapper/110:42:281
2048199524,29cyclictest0-21swapper/110:42:281
2048199524,28cyclictest0-21swapper/105:45:531
275922513,10sleep10-21swapper/105:40:061
2048499517,36cyclictest0-21swapper/308:47:323
2048499517,36cyclictest0-21swapper/308:47:323
2048499514,29cyclictest0-21swapper/310:25:383
2048499514,28cyclictest0-21swapper/308:00:413
2048499512,41cyclictest0-21swapper/310:46:343
2048399515,36cyclictest20465-21munin-run05:25:272
2048399515,36cyclictest20465-21munin-run05:25:272
2048399515,27cyclictest0-21swapper/206:40:482
2048399514,41cyclictest0-21swapper/209:59:002
2048399514,14cyclictest0-21swapper/207:26:592
20483995137,10cyclictest0-21swapper/209:11:402
2048199515,28cyclictest0-21swapper/107:59:251
2048199515,28cyclictest0-21swapper/107:39:161
2048199515,28cyclictest0-21swapper/107:10:421
2048199514,30cyclictest0-21swapper/105:55:261
2048199514,29cyclictest0-21swapper/109:52:331
2048199514,28cyclictest0-21swapper/108:26:151
2048199514,28cyclictest0-21swapper/106:10:411
2048199514,26cyclictest0-21swapper/107:05:361
20481995135,9cyclictest29069-21cut05:40:501
20481995121,13cyclictest0-21swapper/109:45:401
20481995118,14cyclictest0-21swapper/106:20:531
2048499508,26cyclictest0-21swapper/309:53:313
20484995020,13cyclictest0-21swapper/308:51:523
2048499502,34cyclictest0-21swapper/307:30:363
2048499502,34cyclictest0-21swapper/307:30:363
20484995010,33cyclictest7656-21rm09:39:363
2048399505,27cyclictest0-21swapper/207:10:402
2048399504,38cyclictest0-21swapper/207:05:242
2048399504,28cyclictest0-21swapper/208:25:472
2048399504,28cyclictest0-21swapper/206:55:452
2048399504,27cyclictest0-21swapper/206:15:262
20483995036,10cyclictest0-21swapper/209:54:252
20483995034,11cyclictest0-21swapper/207:58:242
2048199504,26cyclictest29530-21diskstats08:35:371
20481995034,10cyclictest1976-21fschecks_count07:00:391
20481995031,12cyclictest8320-21head06:05:441
20481995031,12cyclictest8320-21head06:05:441
20481995019,11cyclictest8286-21telnet09:40:301
142102503,41sleep10-21swapper/106:17:271
2048499497,36cyclictest0-21swapper/308:30:203
2048499494,32cyclictest0-21swapper/307:58:003
2048499494,28cyclictest0-21swapper/307:35:563
2048499494,28cyclictest0-21swapper/305:28:273
2048499494,12cyclictest0-21swapper/309:31:003
2048499493,38cyclictest22961-21proc_pri10:00:443
2048499493,38cyclictest22961-21proc_pri10:00:443
20484994920,12cyclictest0-21swapper/307:15:533
2048399495,27cyclictest0-21swapper/206:15:532
2048399495,26cyclictest0-21swapper/206:01:082
2048399494,27cyclictest0-21swapper/206:35:442
2048399494,26cyclictest0-21swapper/206:24:262
2048199494,28cyclictest0-21swapper/106:58:061
2048499487,34cyclictest0-21swapper/308:55:253
2048499486,37cyclictest0-21swapper/305:50:273
2048499484,27cyclictest0-21swapper/307:09:503
2048499484,27cyclictest0-21swapper/306:09:523
2048499484,27cyclictest0-21swapper/306:09:523
2048399484,27cyclictest0-21swapper/207:05:402
2048399484,25cyclictest0-21swapper/207:18:052
2048199485,13cyclictest0-21swapper/106:30:371
20481994825,16cyclictest0-21swapper/106:00:551
2048499474,26cyclictest0-21swapper/306:20:443
20484994727,13cyclictest0-21swapper/306:55:443
2048499472,38cyclictest326301munin-node05:50:573
20483994728,12cyclictest0-21swapper/205:50:542
20483994725,10cyclictest0-21swapper/205:56:012
20483994720,11cyclictest0-21swapper/206:05:382
20483994720,11cyclictest0-21swapper/206:05:382
2048199474,27cyclictest0-21swapper/106:25:581
227822462,38sleep20-21swapper/205:29:392
2048499464,34cyclictest0-21swapper/306:35:593
20484994616,12cyclictest0-21swapper/307:10:393
2048399467,32cyclictest0-21swapper/206:45:362
2048399464,34cyclictest0-21swapper/205:45:362
20483994624,16cyclictest0-21swapper/206:50:472
20483994624,16cyclictest0-21swapper/206:50:472
20481994628,11cyclictest24843-21unixbench_singl05:30:591
2048499459,10cyclictest29165-21telnet06:50:363
2048499459,10cyclictest29165-21telnet06:50:363
20484994523,14cyclictest0-21swapper/306:00:523
20484994514,13cyclictest0-21swapper/307:21:033
2048499434,13cyclictest0-21swapper/307:00:523
2048199404,29cyclictest0-21swapper/105:25:281
2048199404,29cyclictest0-21swapper/105:25:281
248599350,4rtkit-daemon2484-21rtkit-daemon05:21:303
248599350,4rtkit-daemon2484-21rtkit-daemon05:21:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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