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2026-07-18 - 17:27

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 Jul 18, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991230,6rtkit-daemon2193-21rtkit-daemon08:41:291
219499990,5rtkit-daemon2193-21rtkit-daemon09:58:263
12540999537,10cyclictest5498-21crond09:07:251
1253699943,84cyclictest0-21swapper/009:29:510
1253699943,82cyclictest0-21swapper/011:02:560
1253699924,80cyclictest0-21swapper/010:17:410
12540999136,10cyclictest5271-21diskmemload10:02:401
1253699913,80cyclictest6844-21munin-run11:22:190
1253699913,80cyclictest29171-21taskset09:37:570
12540999035,13cyclictest0-21swapper/110:32:401
1253699904,79cyclictest0-21swapper/009:57:440
1253699904,79cyclictest0-21swapper/008:58:030
1253699904,79cyclictest0-21swapper/008:37:370
1253699904,79cyclictest0-21swapper/008:07:470
1253699904,78cyclictest0-21swapper/009:52:380
1253699904,77cyclictest0-21swapper/010:02:550
1253699903,80cyclictest0-21swapper/006:22:510
1253699903,78cyclictest15743-21ssh10:47:540
1253699903,78cyclictest15743-21ssh10:47:540
1253699903,61cyclictest22762-21ssh10:57:540
1254099895,32cyclictest0-21swapper/109:57:591
1253699894,68cyclictest0-21swapper/011:29:310
1253699894,68cyclictest0-21swapper/011:29:310
1253699893,79cyclictest0-21swapper/008:27:420
1253699893,52cyclictest19977-21runrttasks10:10:450
1253699893,51cyclictest0-21swapper/011:34:330
1253699893,51cyclictest0-21swapper/011:34:330
1253699893,49cyclictest0-21swapper/009:09:240
1254099886,31cyclictest0-21swapper/111:22:561
1253699884,77cyclictest0-21swapper/009:34:120
1253699884,77cyclictest0-21swapper/009:34:120
1253699884,77cyclictest0-21swapper/008:47:390
1253699884,76cyclictest0-21swapper/010:52:400
1253699884,76cyclictest0-21swapper/010:52:400
1253699884,75cyclictest29556-21irqstats11:07:430
1253699884,75cyclictest0-21swapper/010:36:090
1253699884,65cyclictest0-21swapper/008:43:460
1253699883,77cyclictest0-21swapper/008:52:270
1253699883,77cyclictest0-21swapper/008:52:270
1253699883,49cyclictest0-21swapper/009:46:380
1253699883,48cyclictest0-21swapper/011:25:110
93012870,6sleep19302-21cat08:27:401
219499870,5rtkit-daemon2193-21rtkit-daemon09:52:113
1253699874,76cyclictest0-21swapper/011:46:180
1253699874,76cyclictest0-21swapper/011:12:370
1253699874,76cyclictest0-21swapper/007:12:300
1253699874,75cyclictest0-21swapper/008:34:170
1253699874,75cyclictest0-21swapper/007:37:540
1253699874,74cyclictest0-21swapper/009:12:460
1253699873,78cyclictest0-21swapper/011:51:360
1253699873,77cyclictest17582-21gltestperf09:22:450
1253699873,77cyclictest0-21swapper/010:42:530
1253699873,77cyclictest0-21swapper/010:12:360
1253699873,77cyclictest0-21swapper/010:12:360
1253699873,75cyclictest1124-21snmpd10:24:190
219499860,5rtkit-daemon2193-21rtkit-daemon10:22:173
1253699864,75cyclictest0-21swapper/008:22:270
1253699864,73cyclictest0-21swapper/009:02:530
1253699863,76cyclictest0-21swapper/010:28:540
1253699863,66cyclictest0-21swapper/010:42:220
219499850,5rtkit-daemon2193-21rtkit-daemon08:20:073
219499850,5rtkit-daemon2193-21rtkit-daemon06:36:493
1253699854,74cyclictest0-21swapper/009:20:080
1253699854,47cyclictest0-21swapper/011:37:380
1253699853,74cyclictest0-21swapper/008:24:570
1253699853,73cyclictest0-21swapper/009:50:040
219499840,6rtkit-daemon2193-21rtkit-daemon09:37:043
219499840,6rtkit-daemon2193-21rtkit-daemon09:37:043
219499840,5rtkit-daemon2193-21rtkit-daemon10:23:173
219499840,5rtkit-daemon2193-21rtkit-daemon09:23:273
219499840,4rtkit-daemon2193-21rtkit-daemon09:40:043
1253699843,73cyclictest0-21swapper/007:57:570
1253699843,73cyclictest0-21swapper/007:47:380
1253699843,73cyclictest0-21swapper/006:32:570
219499830,4rtkit-daemon2193-21rtkit-daemon08:40:063
1253699834,72cyclictest0-21swapper/007:02:520
219499820,5rtkit-daemon2193-21rtkit-daemon11:03:313
219499820,5rtkit-daemon2193-21rtkit-daemon09:19:573
219499820,5rtkit-daemon2193-21rtkit-daemon07:23:243
1253699823,72cyclictest0-21swapper/006:42:500
1253699823,71cyclictest0-21swapper/007:27:590
219499810,4rtkit-daemon2193-21rtkit-daemon06:47:033
1253699814,70cyclictest0-21swapper/006:47:420
1253699814,70cyclictest0-21swapper/006:47:420
1253699813,70cyclictest28483-21yum-updatesd-he08:02:430
1253699804,69cyclictest0-21swapper/007:23:480
1253699803,71cyclictest0-21swapper/006:52:500
1253699794,68cyclictest0-21swapper/008:13:270
1253699794,49cyclictest0-21swapper/007:17:420
1253699793,70cyclictest0-21swapper/006:37:480
219499780,5rtkit-daemon2193-21rtkit-daemon10:05:553
219499770,4rtkit-daemon2193-21rtkit-daemon11:01:383
219499770,4rtkit-daemon2193-21rtkit-daemon10:32:543
219499760,4rtkit-daemon2193-21rtkit-daemon09:04:053
219499760,4rtkit-daemon2193-21rtkit-daemon07:05:403
1253699763,48cyclictest0-21swapper/007:52:560
219499750,5rtkit-daemon2193-21rtkit-daemon09:45:563
219499750,4rtkit-daemon2193-21rtkit-daemon10:08:033
219499750,4rtkit-daemon2193-21rtkit-daemon09:11:433
1253699754,45cyclictest0-21swapper/007:12:490
1253699753,66cyclictest0-21swapper/007:42:440
1253699753,65cyclictest0-21swapper/007:32:400
1253699753,65cyclictest0-21swapper/007:32:400
219499740,5rtkit-daemon2193-21rtkit-daemon11:07:533
219499740,4rtkit-daemon2193-21rtkit-daemon11:38:523
219499740,4rtkit-daemon2193-21rtkit-daemon08:23:593
219499730,7rtkit-daemon0-21swapper/311:33:003
219499730,7rtkit-daemon0-21swapper/311:33:003
219499730,5rtkit-daemon2193-21rtkit-daemon11:17:533
219499730,4rtkit-daemon2193-21rtkit-daemon11:32:003
219499730,4rtkit-daemon2193-21rtkit-daemon11:32:003
1253699733,64cyclictest15137-21munin-node06:27:410
219499720,5rtkit-daemon2193-21rtkit-daemon06:37:493
12540997249,14cyclictest0-21swapper/109:17:401
1253699724,53cyclictest0-21swapper/006:58:020
219499710,6rtkit-daemon2193-21rtkit-daemon08:35:073
219499700,7rtkit-daemon2193-21rtkit-daemon08:43:593
219499700,5rtkit-daemon2193-21rtkit-daemon11:27:003
219499700,5rtkit-daemon2193-21rtkit-daemon10:50:093
219499700,5rtkit-daemon2193-21rtkit-daemon10:50:093
219499700,4rtkit-daemon2193-21rtkit-daemon10:15:333
219499700,4rtkit-daemon2193-21rtkit-daemon10:15:333
219499700,4rtkit-daemon2193-21rtkit-daemon07:29:093
109312708,52sleep20-21swapper/206:17:482
219499690,6rtkit-daemon2193-21rtkit-daemon10:18:172
219499690,4rtkit-daemon2193-21rtkit-daemon10:55:313
219499690,4rtkit-daemon2193-21rtkit-daemon10:55:313
59432680,10sleep1201ktimersoftd/107:13:031
219499680,4rtkit-daemon2193-21rtkit-daemon10:27:403
1254199683,57cyclictest0-21swapper/207:17:412
219499670,5rtkit-daemon2193-21rtkit-daemon08:12:453
219499670,4rtkit-daemon2193-21rtkit-daemon08:02:453
219499670,4rtkit-daemon2193-21rtkit-daemon07:17:473
219499670,4rtkit-daemon2193-21rtkit-daemon06:22:573
219499670,3rtkit-daemon2193-21rtkit-daemon08:33:522
12540996746,12cyclictest0-21swapper/109:32:571
12540996746,12cyclictest0-21swapper/109:32:571
219499660,4rtkit-daemon2193-21rtkit-daemon09:27:343
219499660,4rtkit-daemon2193-21rtkit-daemon07:46:013
219499660,4rtkit-daemon2193-21rtkit-daemon07:40:313
219499660,4rtkit-daemon2193-21rtkit-daemon07:13:023
1254199663,56cyclictest0-21swapper/208:44:272
219499650,7rtkit-daemon2193-21rtkit-daemon10:28:472
219499650,4rtkit-daemon2193-21rtkit-daemon10:37:543
219499650,4rtkit-daemon2193-21rtkit-daemon09:57:033
219499650,4rtkit-daemon2193-21rtkit-daemon07:35:243
219499650,4rtkit-daemon2193-21rtkit-daemon07:35:243
12540996544,14cyclictest0-21swapper/110:47:551
12540996544,14cyclictest0-21swapper/110:47:551
219499640,4rtkit-daemon2193-21rtkit-daemon11:49:512
219499640,4rtkit-daemon2193-21rtkit-daemon11:16:153
219499640,4rtkit-daemon2193-21rtkit-daemon10:45:313
219499640,4rtkit-daemon2193-21rtkit-daemon07:07:403
219499640,12rtkit-daemon2193-21rtkit-daemon10:35:092
219499640,12rtkit-daemon2193-21rtkit-daemon09:11:052
219499640,12rtkit-daemon2193-21rtkit-daemon07:43:012
219499640,10rtkit-daemon2193-21rtkit-daemon11:39:222
219499630,4rtkit-daemon2193-21rtkit-daemon07:42:162
219499630,4rtkit-daemon2193-21rtkit-daemon07:29:472
219499630,13rtkit-daemon2193-21rtkit-daemon08:47:592
1254299635,43cyclictest0-21swapper/308:58:013
1254199634,52cyclictest21228-21munin-node10:57:332
1254199633,53cyclictest0-21swapper/209:46:482
219499620,5rtkit-daemon2193-21rtkit-daemon10:49:392
219499620,5rtkit-daemon2193-21rtkit-daemon10:49:392
219499620,4rtkit-daemon2193-21rtkit-daemon11:09:452
219499620,4rtkit-daemon2193-21rtkit-daemon10:55:162
219499620,4rtkit-daemon2193-21rtkit-daemon10:55:162
219499620,4rtkit-daemon2193-21rtkit-daemon10:10:402
219499620,4rtkit-daemon2193-21rtkit-daemon07:56:232
219499620,12rtkit-daemon2193-21rtkit-daemon10:46:542
219499620,12rtkit-daemon2193-21rtkit-daemon09:59:032
219499620,11rtkit-daemon2193-21rtkit-daemon09:37:342
219499620,11rtkit-daemon2193-21rtkit-daemon09:14:422
219499620,11rtkit-daemon2193-21rtkit-daemon06:48:262
219499620,11rtkit-daemon2193-21rtkit-daemon06:48:262
1254199624,50cyclictest0-21swapper/210:12:392
1254199624,50cyclictest0-21swapper/210:12:392
1254199624,13cyclictest0-21swapper/210:02:472
1253699624,53cyclictest0-21swapper/006:22:320
219499610,5rtkit-daemon2193-21rtkit-daemon08:29:442
219499610,4rtkit-daemon2193-21rtkit-daemon11:28:522
219499610,4rtkit-daemon2193-21rtkit-daemon11:28:522
219499610,4rtkit-daemon2193-21rtkit-daemon08:22:452
219499610,4rtkit-daemon2193-21rtkit-daemon06:41:042
219499610,12rtkit-daemon2193-21rtkit-daemon11:17:152
219499610,12rtkit-daemon2193-21rtkit-daemon09:18:572
219499610,12rtkit-daemon2193-21rtkit-daemon06:37:262
219499610,12rtkit-daemon2193-21rtkit-daemon06:31:112
219499610,11rtkit-daemon2193-21rtkit-daemon07:22:322
1254199614,49cyclictest0-21swapper/208:37:532
1254199614,13cyclictest0-21swapper/209:22:582
12540996141,11cyclictest21986-21grep07:47:471
1254099614,47cyclictest0-21swapper/111:17:381
219499600,7rtkit-daemon0-21swapper/010:29:251
219499600,4rtkit-daemon2193-21rtkit-daemon11:25:302
219499600,4rtkit-daemon2193-21rtkit-daemon09:29:572
219499600,12rtkit-daemon2193-21rtkit-daemon09:35:342
219499600,12rtkit-daemon2193-21rtkit-daemon09:35:342
219499600,12rtkit-daemon2193-21rtkit-daemon07:37:162
219499600,12rtkit-daemon2193-21rtkit-daemon07:37:162
219499600,11rtkit-daemon2193-21rtkit-daemon11:46:142
219499600,11rtkit-daemon2193-21rtkit-daemon07:06:402
12542996040,11cyclictest30927-21chrt08:07:433
1254199605,47cyclictest0-21swapper/209:02:362
1254199604,13cyclictest0-21swapper/209:52:452
12540996043,10cyclictest0-21swapper/108:47:381
12540996040,13cyclictest0-21swapper/109:37:501
12540996038,13cyclictest0-21swapper/111:51:191
89312598,7sleep10-21swapper/109:11:481
219499590,5rtkit-daemon2193-21rtkit-daemon08:18:452
219499590,11rtkit-daemon2193-21rtkit-daemon11:21:082
1254199594,38cyclictest0-21swapper/206:23:092
12540995938,13cyclictest8031-21ntp_states10:37:501
219499580,7rtkit-daemon0-21swapper/010:20:171
219499580,5rtkit-daemon2193-21rtkit-daemon08:09:302
219499580,4rtkit-daemon2193-21rtkit-daemon11:05:312
12540995838,11cyclictest25447-21yum-updatesd-he11:02:461
12540995836,14cyclictest0-21swapper/111:32:361
12540995836,14cyclictest0-21swapper/111:32:361
219499570,7rtkit-daemon0-21swapper/009:30:571
219499570,5rtkit-daemon2193-21rtkit-daemon10:24:552
219499570,5rtkit-daemon2193-21rtkit-daemon07:12:472
1254299574,26cyclictest0-21swapper/308:30:453
12542995737,13cyclictest24623-21kernelversion08:47:483
1254199574,37cyclictest0-21swapper/208:57:422
12540995737,12cyclictest28577-21tr08:02:441
98712563,10sleep10-21swapper/109:12:401
219499560,4rtkit-daemon2193-21rtkit-daemon11:34:452
219499560,4rtkit-daemon2193-21rtkit-daemon11:34:452
219499560,13rtkit-daemon2193-21rtkit-daemon06:28:413
12540995636,13cyclictest0-21swapper/110:57:221
12540995636,13cyclictest0-21swapper/110:57:221
12540995635,13cyclictest0-21swapper/109:48:471
317522559,39sleep10-21swapper/111:12:061
219499550,5rtkit-daemon2193-21rtkit-daemon10:39:242
219499550,4rtkit-daemon2193-21rtkit-daemon11:49:213
1254199553,37cyclictest0-21swapper/209:48:572
12541995512,28cyclictest0-21swapper/208:52:412
12541995512,28cyclictest0-21swapper/208:52:412
12540995535,13cyclictest28869-21cut10:22:421
12540995534,14cyclictest0-21swapper/110:43:001
12540995534,13cyclictest0-21swapper/108:53:501
12540995534,13cyclictest0-21swapper/108:53:501
1254099544,41cyclictest0-21swapper/111:37:461
12540995435,11cyclictest13121-21tr06:22:471
12540995432,14cyclictest0-21swapper/108:42:551
12540995432,14cyclictest0-21swapper/107:02:301
12540995415,14cyclictest0-21swapper/108:34:001
219499530,6rtkit-daemon2193-21rtkit-daemon06:47:483
219499530,6rtkit-daemon2193-21rtkit-daemon06:47:483
195682532,10sleep10-21swapper/107:42:511
1254099534,29cyclictest0-21swapper/109:22:441
12540995334,12cyclictest21912-21fschecks_count10:57:401
12540995334,11cyclictest10759-21munin-node11:27:341
12540995334,11cyclictest10759-21munin-node11:27:341
12540995333,13cyclictest0-21swapper/108:23:141
12540995332,14cyclictest0-21swapper/109:52:271
241832522,10sleep10-21swapper/111:44:521
219499520,5rtkit-daemon2193-21rtkit-daemon08:53:133
219499520,5rtkit-daemon2193-21rtkit-daemon08:53:133
219499520,5rtkit-daemon2193-21rtkit-daemon06:57:552
1254299525,28cyclictest0-21swapper/306:52:503
1254199525,29cyclictest0-21swapper/207:57:442
1254199524,28cyclictest0-21swapper/207:47:412
12540995240,7cyclictest22717-21ssh10:13:021
12540995240,7cyclictest22717-21ssh10:13:021
1254099524,42cyclictest0-21swapper/108:59:211
1254099524,28cyclictest0-21swapper/106:37:531
12540995237,8cyclictest1701-21ssh09:45:521
12540995237,10cyclictest0-21swapper/107:22:481
12540995235,9cyclictest16018-21gltestperf06:27:491
12540995233,10cyclictest20514-21munin-run10:12:221
12540995221,12cyclictest7403-21fschecks_count07:17:471
1254299517,27cyclictest0-21swapper/307:52:503
1254299515,28cyclictest0-21swapper/309:12:443
1254299515,13cyclictest0-21swapper/311:43:243
1254199514,27cyclictest0-21swapper/206:43:022
1254099514,39cyclictest0-21swapper/111:12:381
12540995135,11cyclictest0-21swapper/107:32:301
252932502,11sleep10-21swapper/107:53:351
1254299504,29cyclictest0-21swapper/307:47:493
1254199505,28cyclictest0-21swapper/208:12:412
1254199503,28cyclictest0-21swapper/207:07:512
1254099504,38cyclictest0-21swapper/106:47:581
1254099504,38cyclictest0-21swapper/106:47:581
1254099504,29cyclictest0-21swapper/106:42:511
12540995028,13cyclictest0-21swapper/107:02:481
184012492,11sleep10-21swapper/107:42:021
1254199494,27cyclictest0-21swapper/206:52:492
1254199493,31cyclictest0-21swapper/208:02:422
1254099496,35cyclictest1920-21tail07:07:421
1254099495,27cyclictest0-21swapper/108:18:011
290862482,41sleep10-21swapper/106:55:511
1254299484,26cyclictest0-21swapper/307:02:313
1254299484,25cyclictest26428-21sort07:57:443
1254099484,20cyclictest0-21swapper/107:59:471
27232472,39sleep10-21swapper/108:15:321
160412473,39sleep10-21swapper/107:37:221
160412473,39sleep10-21swapper/107:37:221
193672463,38sleep10-21swapper/106:33:341
1254099464,26cyclictest0-21swapper/108:07:531
122852454,6sleep10-21swapper/106:19:441
1254299365,24cyclictest0-21swapper/306:22:323
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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