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2026-01-10 - 20:24

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 Sat Jan 10, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991200,5rtkit-daemon2484-21rtkit-daemon10:08:340
11372991013,36cyclictest0-21swapper/111:21:431
11372991013,36cyclictest0-21swapper/111:21:431
11372999021,18cyclictest0-21swapper/110:00:141
1137299894,23cyclictest0-21swapper/110:58:341
1137299893,23cyclictest0-21swapper/111:33:081
11372998919,9cyclictest7519-21fgrep11:58:421
1137299888,14cyclictest0-21swapper/109:33:561
1137299873,31cyclictest30510-21grep08:28:411
1137299873,26cyclictest0-21swapper/109:18:491
1137299873,24cyclictest0-21swapper/111:06:021
11372998717,8cyclictest121850irq/46-eth007:38:391
11372998717,8cyclictest121850irq/46-eth007:38:391
1137299864,34cyclictest0-21swapper/110:13:371
1137299864,28cyclictest0-21swapper/110:38:321
1137299864,26cyclictest0-21swapper/108:33:311
1137299864,23cyclictest0-21swapper/107:53:321
1137299864,21cyclictest0-21swapper/109:29:211
1137299854,33cyclictest0-21swapper/107:23:361
1137299854,27cyclictest0-21swapper/110:23:331
1137299854,22cyclictest0-21swapper/110:30:041
1137299854,18cyclictest15801-21munin-run12:13:111
11372998524,11cyclictest19716-21unixbench-2d09:03:511
1137299844,30cyclictest0-21swapper/111:53:141
1137299844,30cyclictest0-21swapper/111:53:141
1137299844,23cyclictest0-21swapper/110:21:261
1137299844,21cyclictest0-21swapper/109:38:171
1137299844,12cyclictest0-21swapper/110:12:491
1137299843,28cyclictest0-21swapper/106:48:361
1137299834,34cyclictest0-21swapper/109:08:431
1137299834,34cyclictest0-21swapper/109:08:431
1137299834,32cyclictest0-21swapper/111:43:121
1137299834,23cyclictest0-21swapper/109:51:291
11372998324,10cyclictest16289-21unixbench_multi08:58:521
11372998317,11cyclictest0-21swapper/109:13:331
1137299824,34cyclictest0-21swapper/111:50:071
1137299824,32cyclictest0-21swapper/111:13:401
1137299824,30cyclictest0-21swapper/110:33:341
1137299824,30cyclictest0-21swapper/110:33:341
1137299824,29cyclictest0-21swapper/111:23:451
1137299823,29cyclictest0-21swapper/110:43:421
1137299823,22cyclictest0-21swapper/108:52:151
1137299823,16cyclictest0-21swapper/110:56:271
1137299823,13cyclictest0-21swapper/108:46:181
1137299814,25cyclictest0-21swapper/111:43:401
1137299814,21cyclictest0-21swapper/109:45:261
11372998124,10cyclictest632-21aten_r1power_cu07:28:311
1137299804,24cyclictest0-21swapper/112:06:261
1137299804,23cyclictest0-21swapper/109:26:081
1137299804,23cyclictest0-21swapper/108:57:351
1137299804,21cyclictest0-21swapper/111:33:381
1137299804,12cyclictest0-21swapper/107:58:311
1137299803,28cyclictest0-21swapper/110:03:401
11372998015,11cyclictest0-21swapper/109:55:041
11372998015,11cyclictest0-21swapper/109:55:041
1137299794,22cyclictest0-21swapper/111:12:351
1137299794,22cyclictest0-21swapper/110:53:111
1137299793,27cyclictest0-21swapper/106:58:361
1137299793,27cyclictest0-21swapper/106:58:361
11372997826,9cyclictest12066-21unixbench_multi07:48:531
11372997727,8cyclictest3710-21unixbench_singl08:38:541
1137299754,21cyclictest26846-21awk08:23:191
1137299733,31cyclictest0-21swapper/107:03:281
1137499705,58cyclictest0-21swapper/311:35:503
1137499705,58cyclictest0-21swapper/306:53:113
1137499704,59cyclictest0-21swapper/309:03:163
1137499704,58cyclictest0-21swapper/307:03:543
1137499704,57cyclictest0-21swapper/311:03:133
1137499704,57cyclictest0-21swapper/310:24:033
1137499695,57cyclictest0-21swapper/311:08:153
1137499695,57cyclictest0-21swapper/307:23:553
1137499695,56cyclictest0-21swapper/311:30:263
1137499694,58cyclictest0-21swapper/312:08:443
1137499694,58cyclictest0-21swapper/309:25:423
1137499694,58cyclictest0-21swapper/308:53:373
1137499694,57cyclictest0-21swapper/308:50:243
1137499686,55cyclictest0-21swapper/310:44:423
1137499685,57cyclictest0-21swapper/311:07:133
1137499685,56cyclictest0-21swapper/310:35:233
1137499685,56cyclictest0-21swapper/310:35:233
1137499684,57cyclictest0-21swapper/311:56:413
1137499684,57cyclictest0-21swapper/311:56:413
1137499684,57cyclictest0-21swapper/310:07:123
1137499684,57cyclictest0-21swapper/309:42:293
1137499684,56cyclictest0-21swapper/311:43:313
248599670,5rtkit-daemon2484-21rtkit-daemon07:06:110
1137499675,55cyclictest0-21swapper/311:25:563
1137499675,55cyclictest0-21swapper/310:10:273
1137499674,57cyclictest0-21swapper/309:19:423
1137499674,57cyclictest0-21swapper/308:47:393
1137499674,56cyclictest0-21swapper/312:06:363
1137499674,56cyclictest0-21swapper/309:55:543
1137499674,56cyclictest0-21swapper/309:55:543
1137499674,55cyclictest23828-21munin-node10:48:263
1137499674,55cyclictest0-21swapper/309:48:433
11370996722,15cyclictest0-21swapper/011:43:410
1137499664,56cyclictest0-21swapper/311:13:213
1137499664,55cyclictest0-21swapper/311:21:063
1137499664,55cyclictest0-21swapper/311:21:063
1137499664,55cyclictest0-21swapper/310:02:513
1137499664,55cyclictest0-21swapper/309:13:223
1137499663,56cyclictest0-21swapper/310:33:153
1137099664,56cyclictest0-21swapper/012:08:460
1137099663,56cyclictest0-21swapper/010:18:280
1137499655,53cyclictest26364-21processes11:38:393
1137499654,55cyclictest0-21swapper/311:49:243
1137499654,54cyclictest13209-21sort09:43:333
1137499654,54cyclictest0-21swapper/309:08:273
1137499654,54cyclictest0-21swapper/309:08:273
1137499654,54cyclictest0-21swapper/309:03:473
1137099655,52cyclictest0-21swapper/009:43:470
1137099655,28cyclictest0-21swapper/008:48:510
1137099654,54cyclictest0-21swapper/011:13:290
1137099654,53cyclictest0-21swapper/012:07:580
1137099654,53cyclictest0-21swapper/009:58:360
11370996521,13cyclictest0-21swapper/011:18:240
11370996521,13cyclictest0-21swapper/011:18:240
1137499644,53cyclictest0-21swapper/309:33:563
39492633,12sleep20-21swapper/209:28:452
1137499634,52cyclictest29363-21expr07:18:453
1137499634,52cyclictest11649-21aten2.4-expect06:43:343
11373996334,13cyclictest0-21swapper/210:23:502
1137099634,52cyclictest0-21swapper/010:28:310
1137099634,51cyclictest0-21swapper/011:03:370
1137099634,29cyclictest0-21swapper/011:38:390
1137099633,53cyclictest0-21swapper/009:23:380
11370996322,14cyclictest0-21swapper/009:08:390
11370996322,14cyclictest0-21swapper/009:08:390
11370996322,12cyclictest0-21swapper/009:33:500
1137499624,51cyclictest0-21swapper/309:28:393
1137399624,50cyclictest0-21swapper/211:28:222
1137099624,51cyclictest0-21swapper/011:53:330
1137099624,51cyclictest0-21swapper/011:53:330
1137099624,50cyclictest0-21swapper/011:58:280
1137099624,50cyclictest0-21swapper/011:48:330
1137099624,28cyclictest0-21swapper/009:13:390
11370996232,11cyclictest0-21swapper/009:18:290
1137499614,50cyclictest0-21swapper/310:23:153
11373996132,13cyclictest0-21swapper/207:28:422
11373996124,24cyclictest0-21swapper/209:49:422
1137099617,25cyclictest0-21swapper/008:43:400
1137099614,50cyclictest0-21swapper/009:02:280
1137099614,50cyclictest0-21swapper/008:33:200
1137099614,49cyclictest0-21swapper/010:13:280
1137099614,49cyclictest0-21swapper/007:18:360
1137099614,29cyclictest0-21swapper/011:33:120
1137099614,29cyclictest0-21swapper/011:24:120
1137099614,29cyclictest0-21swapper/009:03:310
248599600,19rtkit-daemon2484-21rtkit-daemon08:06:010
11373996041,13cyclictest0-21swapper/211:43:272
1137399604,47cyclictest0-21swapper/211:48:342
11373996037,8cyclictest16123-21ssh11:23:362
11373996032,13cyclictest0-21swapper/211:33:432
1137099605,48cyclictest0-21swapper/010:33:230
1137099605,48cyclictest0-21swapper/010:33:230
1137099604,50cyclictest0-21swapper/011:38:120
1137099604,50cyclictest0-21swapper/009:48:280
1137099603,52cyclictest0-21swapper/011:09:380
1137099603,51cyclictest7064-21munin-node10:23:420
1137099603,51cyclictest11050-21grep09:38:490
1137099603,51cyclictest0-21swapper/007:53:530
1137099603,48cyclictest27493-21python10:03:470
1137499594,48cyclictest0-21swapper/310:14:553
1137499593,49cyclictest0-21swapper/311:58:313
1137399594,47cyclictest0-21swapper/209:43:322
11373995931,13cyclictest0-21swapper/210:43:332
11373995925,20cyclictest14619-21ssh08:58:312
1137099595,47cyclictest0-21swapper/010:44:340
1137099594,48cyclictest0-21swapper/010:41:310
1137099594,28cyclictest0-21swapper/007:43:420
1137099594,28cyclictest0-21swapper/007:43:420
248599580,4rtkit-daemon2484-21rtkit-daemon06:53:560
1137499583,48cyclictest672-21runrttasks07:28:323
1137499583,48cyclictest18594-21latency08:03:453
1137399584,47cyclictest0-21swapper/210:38:432
11373995837,12cyclictest0-21swapper/211:58:302
1137099584,48cyclictest0-21swapper/009:31:130
1137099584,48cyclictest0-21swapper/008:53:280
1137099584,48cyclictest0-21swapper/008:03:210
1137099584,47cyclictest0-21swapper/007:28:510
1137099583,49cyclictest12512-21munin-run07:53:210
320202573,47sleep032159-21tr08:33:330
279332573,47sleep028036-21hddtemp_smartct10:53:320
26132576,12sleep20-21swapper/211:03:382
161372572,10sleep20-21swapper/210:35:362
161372572,10sleep20-21swapper/210:35:362
1137499575,47cyclictest0-21swapper/310:53:233
1137499574,47cyclictest0-21swapper/310:38:473
11373995743,9cyclictest25688-21grep09:13:362
11373995737,13cyclictest0-21swapper/209:23:412
11373995731,8cyclictest1419-21runrttasks09:35:522
11373995730,13cyclictest0-21swapper/209:39:272
1137099575,14cyclictest0-21swapper/011:00:440
1137099573,47cyclictest0-21swapper/009:53:290
1137099573,47cyclictest0-21swapper/009:53:290
1137499564,46cyclictest0-21swapper/308:21:233
1137499563,47cyclictest0-21swapper/307:53:473
11373995640,10cyclictest19786-21unixbench_singl09:03:522
1137399564,23cyclictest0-21swapper/209:54:272
1137399564,23cyclictest0-21swapper/209:54:272
11373995639,12cyclictest0-21swapper/208:48:322
1137099564,46cyclictest0-21swapper/010:51:120
1137099564,45cyclictest0-21swapper/008:18:340
1137099564,27cyclictest0-21swapper/008:38:310
1137499553,45cyclictest17643-21awk06:53:493
11373995541,8cyclictest1287-21snmpd10:21:442
1137399554,44cyclictest0-21swapper/211:08:432
1137399554,44cyclictest0-21swapper/210:08:342
11373995539,10cyclictest0-21swapper/210:06:582
11373995538,11cyclictest14380-21timerwakeupswit12:08:442
11373995531,11cyclictest0-21swapper/211:13:302
1137399553,46cyclictest0-21swapper/210:53:232
11373995529,12cyclictest0-21swapper/210:13:332
11373995529,12cyclictest0-21swapper/208:48:152
11373995529,12cyclictest0-21swapper/207:23:402
1137399552,46cyclictest24951-21sendmail_mailqu07:08:512
11370995536,11cyclictest20521-21tune2fs08:08:370
124202540,6sleep112422-21tail06:43:421
1137499543,46cyclictest0-21swapper/307:00:503
1137499543,46cyclictest0-21swapper/307:00:503
1137499543,45cyclictest0-21swapper/308:36:073
11373995438,9cyclictest0-21swapper/211:53:382
11373995438,9cyclictest0-21swapper/211:53:382
11373995437,11cyclictest0-21swapper/212:03:452
11373995437,11cyclictest0-21swapper/209:08:402
11373995437,11cyclictest0-21swapper/209:08:402
11373995434,13cyclictest0-21swapper/210:28:352
11373995427,12cyclictest0-21swapper/207:48:442
280792532,10sleep30-21swapper/308:23:413
280792532,10sleep30-21swapper/308:23:413
1137499534,42cyclictest0-21swapper/308:38:313
1137499533,44cyclictest0-21swapper/307:48:313
11373995338,9cyclictest11721-21egrep11:18:242
11373995338,9cyclictest11721-21egrep11:18:242
11373995338,9cyclictest0-21swapper/210:01:152
1137399533,45cyclictest0-21swapper/208:56:342
1137399533,42cyclictest0-21swapper/208:23:192
11373995313,12cyclictest0-21swapper/209:18:422
1137099539,33cyclictest0-21swapper/007:24:190
1137099535,14cyclictest0-21swapper/007:11:120
68482523,10sleep00-21swapper/007:38:480
68482523,10sleep00-21swapper/007:38:480
248599520,5rtkit-daemon2484-21rtkit-daemon07:13:410
171562522,10sleep30-21swapper/308:01:443
1137499524,24cyclictest6769-21uname07:38:453
1137499524,24cyclictest6769-21uname07:38:453
1137499523,43cyclictest4076-21http_loadtime07:33:423
1137499523,43cyclictest0-21swapper/308:28:493
11373995230,10cyclictest0-21swapper/210:52:252
1137399523,43cyclictest0-21swapper/211:40:402
1137399523,43cyclictest0-21swapper/210:58:412
1137299523,13cyclictest0-21swapper/107:11:381
11370995232,12cyclictest3531-21cpuspeed_turbos07:33:360
1137499514,41cyclictest0-21swapper/308:08:323
1137499514,39cyclictest0-21swapper/308:13:383
11373995125,11cyclictest0-21swapper/208:13:332
11373995112,31cyclictest0-21swapper/207:13:322
1137299514,20cyclictest0-21swapper/108:13:201
1137099515,26cyclictest0-21swapper/006:58:340
1137099515,26cyclictest0-21swapper/006:58:340
11370995125,11cyclictest0-21swapper/008:23:420
11370995125,11cyclictest0-21swapper/008:23:420
193732503,10sleep20-21swapper/208:04:292
1137499503,42cyclictest0-21swapper/307:13:333
11373995027,10cyclictest0-21swapper/207:18:522
1137399502,42cyclictest0-21swapper/208:28:392
1137099503,28cyclictest0-21swapper/006:43:560
11370995020,12cyclictest0-21swapper/008:13:440
11374994913,12cyclictest0-21swapper/307:08:393
1137399496,37cyclictest0-21swapper/206:53:412
1137399494,27cyclictest0-21swapper/208:33:322
11373994934,10cyclictest0-21swapper/208:38:482
1137299494,29cyclictest0-21swapper/106:53:431
1137099494,26cyclictest0-21swapper/006:48:340
1137499482,41cyclictest0-21swapper/307:43:453
1137499482,41cyclictest0-21swapper/307:43:453
1137399484,37cyclictest0-21swapper/207:03:372
1137399484,12cyclictest0-21swapper/207:33:342
11373994833,10cyclictest0-21swapper/206:58:442
11373994833,10cyclictest0-21swapper/206:58:442
248599470,4rtkit-daemon2484-21rtkit-daemon07:20:331
1137399474,37cyclictest0-21swapper/208:08:382
11373994733,9cyclictest0-21swapper/207:53:512
11373994733,8cyclictest281ktimersoftd/206:43:402
1137099474,25cyclictest1287-21snmpd06:43:240
1137399464,36cyclictest0-21swapper/208:24:112
1137399464,36cyclictest0-21swapper/208:24:112
1137399464,36cyclictest0-21swapper/207:43:502
1137399464,36cyclictest0-21swapper/207:43:502
1137399464,35cyclictest0-21swapper/207:38:422
1137399464,35cyclictest0-21swapper/207:38:422
1137399464,26cyclictest0-21swapper/207:58:442
1137299464,36cyclictest0-21swapper/108:07:241
1137399453,35cyclictest0-21swapper/206:43:242
1137299454,25cyclictest0-21swapper/107:13:321
242862444,33sleep10-21swapper/108:16:211
1137399443,35cyclictest13979-21munin-node06:48:502
1137299444,33cyclictest0-21swapper/107:33:541
11372994429,9cyclictest8265-21cpuspeed_turbos07:43:331
11372994429,9cyclictest8265-21cpuspeed_turbos07:43:331
1137499423,33cyclictest11398-21cat06:43:233
1137299413,31cyclictest0-21swapper/108:23:351
1137299413,31cyclictest0-21swapper/108:23:351
11372993922,11cyclictest0-21swapper/106:43:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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