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2026-04-02 - 15:20

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 Thu Apr 02, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2926621630,5sleep041ktimersoftd/005:21:450
1430721070,6sleep20-21swapper/206:21:362
86352890,3sleep3361ktimersoftd/308:56:253
2990399798,47cyclictest15103-21awk09:06:150
319862770,5sleep12990499cyclictest08:41:391
29904997746,12cyclictest0-21swapper/110:01:481
29903997344,8cyclictest14842-21gltestperf08:16:350
29905996927,26cyclictest23495-21ps09:16:442
29904996843,13cyclictest0-21swapper/108:29:001
29903996836,12cyclictest0-21swapper/010:10:260
29904996738,12cyclictest0-21swapper/109:36:471
29903996738,14cyclictest0-21swapper/007:56:280
29903996737,12cyclictest0-21swapper/008:45:160
29992663,55sleep00-21swapper/009:36:140
2990499664,54cyclictest0-21swapper/110:36:121
29904996639,9cyclictest8072-21runrttasks08:55:131
29904996637,13cyclictest0-21swapper/110:51:321
2990499663,46cyclictest847-21awk10:21:121
29903996634,12cyclictest0-21swapper/008:24:430
2990399663,55cyclictest0-21swapper/008:46:280
2990399663,55cyclictest0-21swapper/007:36:360
29904996537,13cyclictest0-21swapper/109:16:351
29903996536,13cyclictest0-21swapper/008:39:460
2990399653,55cyclictest0-21swapper/009:06:400
2990399653,55cyclictest0-21swapper/009:06:400
227692654,11sleep30-21swapper/310:51:403
29904996438,13cyclictest0-21swapper/107:26:341
29904996436,13cyclictest0-21swapper/110:21:451
29904996436,13cyclictest0-21swapper/110:21:451
29904996434,13cyclictest0-21swapper/107:46:501
29904996434,13cyclictest0-21swapper/107:46:501
29904996434,11cyclictest0-21swapper/109:46:231
2990499643,45cyclictest0-21swapper/107:41:351
29903996437,13cyclictest0-21swapper/009:21:310
29903996434,13cyclictest0-21swapper/006:31:210
29903996434,13cyclictest0-21swapper/006:31:210
2990399643,54cyclictest0-21swapper/007:26:360
29906996322,26cyclictest21527-21processes10:01:423
2990599634,53cyclictest0-21swapper/208:49:032
2990499636,50cyclictest0-21swapper/109:41:431
2990499636,50cyclictest0-21swapper/108:11:291
29904996337,13cyclictest0-21swapper/107:51:311
29904996337,12cyclictest0-21swapper/108:10:331
29904996336,13cyclictest0-21swapper/106:08:401
2990399634,50cyclictest0-21swapper/008:26:280
29903996331,19cyclictest0-21swapper/010:16:410
29904996240,9cyclictest17376-21switchtime06:26:531
29904996240,9cyclictest17376-21switchtime06:26:531
29904996239,11cyclictest0-21swapper/109:26:331
29904996237,12cyclictest0-21swapper/110:43:551
29904996237,12cyclictest0-21swapper/105:31:231
29904996237,11cyclictest0-21swapper/110:28:301
29904996233,12cyclictest0-21swapper/108:34:571
29904996233,12cyclictest0-21swapper/108:34:571
2990399624,51cyclictest0-21swapper/010:38:170
146952623,51sleep10-21swapper/109:04:501
121232623,52sleep00-21swapper/009:47:390
92302613,12sleep30-21swapper/308:07:113
2990699613,9cyclictest1419-21runrttasks09:31:483
2990499615,48cyclictest0-21swapper/109:56:331
29904996136,12cyclictest0-21swapper/108:21:491
2990499613,53cyclictest0-21swapper/108:36:431
29903996135,12cyclictest0-21swapper/008:51:340
29903996130,12cyclictest0-21swapper/007:52:580
2990499604,49cyclictest0-21swapper/108:46:391
2990499604,48cyclictest0-21swapper/110:16:121
29904996039,10cyclictest0-21swapper/109:31:251
29904996036,12cyclictest0-21swapper/109:06:271
29904996036,12cyclictest0-21swapper/109:06:271
29904996032,12cyclictest0-21swapper/109:13:481
29903996033,13cyclictest0-21swapper/007:21:410
29903996033,12cyclictest0-21swapper/007:41:490
2990399603,50cyclictest0-21swapper/006:41:360
2990399603,49cyclictest0-21swapper/009:41:320
2990399603,48cyclictest0-21swapper/009:36:170
311732593,12sleep20-21swapper/205:31:352
2990599593,38cyclictest0-21swapper/208:17:402
2990599593,11cyclictest0-21swapper/208:12:562
29904995937,10cyclictest0-21swapper/107:56:401
29904995934,12cyclictest0-21swapper/105:56:241
29904995931,11cyclictest0-21swapper/107:34:571
2990499593,50cyclictest0-21swapper/106:01:451
2990399593,50cyclictest0-21swapper/010:41:210
2990399593,50cyclictest0-21swapper/008:31:330
2990399593,50cyclictest0-21swapper/008:31:330
109122593,49sleep10-21swapper/108:58:171
2990699583,48cyclictest34-21rcuc/307:36:313
2990599583,38cyclictest0-21swapper/208:38:482
29905995822,10cyclictest3006-21crond09:36:132
2990499586,45cyclictest0-21swapper/106:36:381
2990499584,49cyclictest0-21swapper/107:36:501
2990499584,48cyclictest0-21swapper/110:46:301
2990499584,48cyclictest0-21swapper/106:41:351
2990499583,49cyclictest0-21swapper/109:21:381
2990499583,49cyclictest0-21swapper/106:14:241
2990499582,50cyclictest0-21swapper/106:26:221
29903995837,8cyclictest18184-21ssh10:46:230
29903995837,10cyclictest0-21swapper/010:31:210
29903995834,12cyclictest0-21swapper/008:56:380
29903995829,12cyclictest0-21swapper/007:47:500
29903995829,12cyclictest0-21swapper/007:47:500
29903995828,12cyclictest0-21swapper/008:01:240
248599580,4rtkit-daemon2484-21rtkit-daemon10:00:192
2990699574,36cyclictest0-21swapper/308:28:273
29905995740,10cyclictest26720-21strings09:21:402
2990599573,10cyclictest22269-21switchtime08:26:482
29905995715,25cyclictest281ktimersoftd/209:01:402
2990499574,48cyclictest0-21swapper/107:24:021
29904995733,11cyclictest0-21swapper/106:56:541
29904995731,13cyclictest0-21swapper/108:19:441
2990499573,48cyclictest0-21swapper/106:56:211
2990499572,49cyclictest0-21swapper/106:31:431
29903995737,8cyclictest5155-21tune2fs05:51:360
29903995732,12cyclictest0-21swapper/010:51:220
29903995732,12cyclictest0-21swapper/010:02:290
29903995732,12cyclictest0-21swapper/008:11:360
29903995731,13cyclictest0-21swapper/008:06:280
2990399573,48cyclictest0-21swapper/006:10:380
2990399573,48cyclictest0-21swapper/005:31:430
29903995729,12cyclictest0-21swapper/010:14:550
248599570,21rtkit-daemon2484-21rtkit-daemon10:48:252
77172563,47sleep37719-21sh10:31:123
2990599563,48cyclictest0-21swapper/209:10:392
2990599563,48cyclictest0-21swapper/209:10:392
2990499565,46cyclictest0-21swapper/110:10:301
29904995632,12cyclictest0-21swapper/108:01:301
2990499563,47cyclictest32638-21aten_r1power_fr07:01:311
2990499563,47cyclictest0-21swapper/106:51:211
29903995633,9cyclictest13391-21aten_r1power_cu09:51:250
29903995631,12cyclictest0-21swapper/010:30:290
29903995631,12cyclictest0-21swapper/010:21:340
29903995631,12cyclictest0-21swapper/010:21:340
2990399563,47cyclictest0-21swapper/006:21:440
29903995628,12cyclictest0-21swapper/007:33:450
29903995620,29cyclictest18900-21ssh09:57:490
247082564,46sleep00-21swapper/009:19:290
2990699554,12cyclictest0-21swapper/309:56:143
2990699553,9cyclictest16284-21sh09:06:353
2990699553,9cyclictest16284-21sh09:06:353
2990699553,10cyclictest20072-21chrt08:24:523
2990599553,35cyclictest0-21swapper/210:54:402
2990599553,12cyclictest0-21swapper/207:55:392
29905995514,24cyclictest0-21swapper/207:50:552
29905995514,24cyclictest0-21swapper/207:50:552
29904995535,9cyclictest13390-21aten2.4-expect09:51:251
29904995531,12cyclictest0-21swapper/110:36:491
2990499553,47cyclictest0-21swapper/105:41:241
2990499553,46cyclictest0-21swapper/107:11:301
2990499553,46cyclictest0-21swapper/106:21:221
2990399554,44cyclictest0-21swapper/007:06:200
29903995535,8cyclictest21635-21runrttasks06:36:420
29903995531,12cyclictest0-21swapper/005:41:400
29903995531,12cyclictest0-21swapper/005:41:400
2990399553,47cyclictest0-21swapper/009:26:340
2990399552,48cyclictest0-21swapper/006:56:210
2990399552,47cyclictest0-21swapper/009:11:350
2990399552,45cyclictest15344-21nscd05:41:230
248599550,5rtkit-daemon2484-21rtkit-daemon10:10:342
248599550,5rtkit-daemon2484-21rtkit-daemon09:41:502
248599550,19rtkit-daemon2484-21rtkit-daemon09:38:122
29906995437,11cyclictest30352-21gltestperf07:51:373
2990699543,8cyclictest7413-21fschecks_time09:41:333
2990599544,27cyclictest0-21swapper/208:33:412
2990599544,27cyclictest0-21swapper/208:33:412
2990599543,44cyclictest0-21swapper/206:01:352
2990599543,36cyclictest0-21swapper/208:53:282
2990499544,44cyclictest3621-21sleep05:46:231
2990499544,44cyclictest3621-21sleep05:46:231
2990499543,45cyclictest0-21swapper/107:16:351
29903995430,11cyclictest0-21swapper/006:56:380
248599540,5rtkit-daemon2484-21rtkit-daemon10:21:332
248599540,5rtkit-daemon2484-21rtkit-daemon10:21:332
70162532,9sleep20-21swapper/205:58:522
4292534,42sleep30-21swapper/305:36:233
29906995338,9cyclictest14315-21gltestperf06:21:363
2990599533,8cyclictest10113-21yum-updatesd-he08:10:272
2990599533,12cyclictest0-21swapper/209:55:292
2990599533,12cyclictest0-21swapper/209:30:462
2990599533,11cyclictest1287-21snmpd07:45:072
2990499533,45cyclictest0-21swapper/105:57:441
2990399533,44cyclictest0-21swapper/007:16:390
2990399533,44cyclictest0-21swapper/005:58:480
2990399532,11cyclictest121850irq/46-eth006:46:560
216852532,9sleep20-21swapper/207:39:012
70622522,43sleep00-21swapper/007:14:400
29906995236,9cyclictest11789-21ps06:11:453
29906995220,15cyclictest0-21swapper/309:25:133
29905995237,9cyclictest9769-21grep10:31:432
2990599523,13cyclictest0-21swapper/209:46:402
29904995231,10cyclictest0-21swapper/105:31:251
29904995230,10cyclictest0-21swapper/107:06:301
29904995230,10cyclictest0-21swapper/107:06:301
2990499523,44cyclictest0-21swapper/105:46:461
29903995231,10cyclictest0-21swapper/007:06:430
29903995231,10cyclictest0-21swapper/007:06:430
248599520,5rtkit-daemon2484-21rtkit-daemon10:41:322
248599520,5rtkit-daemon2484-21rtkit-daemon10:36:332
248599520,5rtkit-daemon2484-21rtkit-daemon10:30:552
248599520,5rtkit-daemon2484-21rtkit-daemon10:03:412
201712523,9sleep00-21swapper/006:33:360
307712512,9sleep30-21swapper/309:27:023
2990699516,13cyclictest0-21swapper/310:42:183
2990699515,29cyclictest0-21swapper/308:41:283
2990699514,30cyclictest0-21swapper/308:37:493
2990699514,13cyclictest0-21swapper/310:16:293
29906995137,9cyclictest2055-21gltestperf10:21:343
29906995137,9cyclictest2055-21gltestperf10:21:343
2990599514,12cyclictest0-21swapper/208:01:322
29905995135,9cyclictest20923-21grep06:36:342
29903995130,10cyclictest0-21swapper/005:47:500
2990399513,43cyclictest0-21swapper/005:28:190
248599510,5rtkit-daemon2484-21rtkit-daemon10:15:412
117292512,9sleep30-21swapper/307:23:053
32262502,9sleep30-21swapper/308:46:423
2990699505,29cyclictest0-21swapper/307:16:363
2990699505,28cyclictest0-21swapper/310:08:553
2990699504,32cyclictest0-21swapper/310:31:263
2990699504,13cyclictest0-21swapper/309:38:253
2990699503,9cyclictest28371-21sh07:48:213
2990699503,9cyclictest28371-21sh07:48:213
2990699503,9cyclictest12274-21sed08:11:483
29906995020,14cyclictest0-21swapper/309:01:303
29906995019,15cyclictest0-21swapper/308:31:513
29906995019,15cyclictest0-21swapper/308:31:513
29906995019,15cyclictest0-21swapper/308:02:023
29905995034,9cyclictest962-21sed07:01:392
2990599503,13cyclictest0-21swapper/206:41:362
2990599503,12cyclictest0-21swapper/208:56:332
2990399503,42cyclictest0-21swapper/006:17:380
248599500,5rtkit-daemon2484-21rtkit-daemon10:18:562
197272504,39sleep20-21swapper/209:11:372
122742504,39sleep00-21swapper/006:12:120
118002502,42sleep20-21swapper/207:24:012
33332492,9sleep30-21swapper/305:42:483
33332492,9sleep30-21swapper/305:42:483
2990699495,29cyclictest0-21swapper/309:46:263
2990699495,27cyclictest0-21swapper/307:31:403
2990699495,27cyclictest0-21swapper/305:29:163
2990699494,30cyclictest0-21swapper/310:11:593
2990699494,30cyclictest0-21swapper/306:39:273
2990699494,29cyclictest0-21swapper/308:16:443
2990699494,13cyclictest0-21swapper/308:51:433
29906994920,14cyclictest0-21swapper/310:36:333
2990699492,12cyclictest0-21swapper/306:16:553
29906994919,14cyclictest0-21swapper/307:58:283
29903994923,10cyclictest9284-21sshd06:02:180
273942492,9sleep20-21swapper/206:49:272
188002493,39sleep20-21swapper/207:36:062
2990699486,27cyclictest0-21swapper/309:18:423
2990699484,28cyclictest0-21swapper/305:39:173
2990699484,27cyclictest0-21swapper/309:11:513
2990699484,27cyclictest0-21swapper/307:41:553
2990699484,12cyclictest18747-21fschecks_count10:46:283
29906994833,9cyclictest16708-21tail06:26:413
29906994833,9cyclictest16708-21tail06:26:413
2990699482,42cyclictest0-21swapper/306:00:223
29906994819,15cyclictest0-21swapper/307:27:313
29906994819,14cyclictest0-21swapper/309:59:163
2990599483,36cyclictest0-21swapper/206:56:332
305032472,9sleep20-21swapper/205:31:182
2990699475,36cyclictest0-21swapper/307:11:433
2990699474,28cyclictest0-21swapper/306:46:563
2990699473,29cyclictest0-21swapper/307:01:213
29906994719,13cyclictest0-21swapper/306:51:503
29905994731,9cyclictest13911-21ls07:26:532
2990599473,26cyclictest20456-21idleruntime-cro08:26:172
2990599471,11cyclictest0-21swapper/206:56:202
95372462,9sleep20-21swapper/207:20:342
39852462,9sleep30-21swapper/305:48:213
2990699464,27cyclictest0-21swapper/307:09:313
2990699464,27cyclictest0-21swapper/307:09:313
2990599462,11cyclictest0-21swapper/207:59:582
29905994619,12cyclictest0-21swapper/208:43:422
99762452,36sleep30-21swapper/306:08:203
2990699454,11cyclictest0-21swapper/306:06:193
2990599453,12cyclictest0-21swapper/207:11:392
2990599452,22cyclictest0-21swapper/205:41:202
29905994514,15cyclictest0-21swapper/206:11:292
129462452,9sleep20-21swapper/206:17:462
2990699442,24cyclictest0-21swapper/305:55:193
2990699442,10cyclictest0-21swapper/306:43:233
2990599444,35cyclictest0-21swapper/205:51:332
2990599443,35cyclictest2661-21munin-node07:06:362
2990599443,35cyclictest2661-21munin-node07:06:362
2990599443,35cyclictest0-21swapper/206:26:342
2990599443,35cyclictest0-21swapper/206:26:342
2990599443,26cyclictest0-21swapper/206:36:222
2990699434,27cyclictest0-21swapper/305:26:243
29906994329,9cyclictest359-21cpuspeed_turbos07:01:333
2990499434,34cyclictest0-21swapper/105:26:241
202762432,35sleep30-21swapper/306:35:003
13202432,34sleep20-21swapper/205:41:262
13202432,34sleep20-21swapper/205:41:262
2990599412,24cyclictest0-21swapper/205:49:512
29905994116,13cyclictest0-21swapper/206:09:472
295612394,27sleep20-21swapper/205:22:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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