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2026-04-18 - 13:55

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 Apr 18, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
843021560,5sleep08432-21cut08:06:270
98419910139,55cyclictest10706-21cut05:11:391
983999964,43cyclictest0-21swapper/009:21:240
983999964,43cyclictest0-21swapper/007:12:450
983999964,42cyclictest31511-21unixbench-2d09:26:450
9841999434,12cyclictest0-21swapper/107:23:511
983999944,43cyclictest0-21swapper/008:41:330
983999934,12cyclictest0-21swapper/009:41:380
983999934,10cyclictest9211-21yum-updatesd-he08:56:130
9841999112,39cyclictest14872-21aten_r1power_cu08:16:261
983999914,44cyclictest0-21swapper/008:14:510
983999914,43cyclictest0-21swapper/009:50:520
983999914,43cyclictest0-21swapper/009:50:520
983999914,42cyclictest0-21swapper/010:31:230
983999895,45cyclictest18171-21df09:56:250
983999893,33cyclictest0-21swapper/007:36:380
983999893,33cyclictest0-21swapper/007:36:380
984199874,35cyclictest22351-21tr05:36:351
984199873,42cyclictest0-21swapper/107:56:071
984199873,41cyclictest30597-21taskset08:38:091
9839998712,33cyclictest0-21swapper/009:06:320
984199864,39cyclictest0-21swapper/106:40:401
9841998622,22cyclictest0-21swapper/107:49:301
9841998516,29cyclictest9272-21latency_hist08:56:131
983999856,31cyclictest5431-21crond10:26:090
983999855,37cyclictest0-21swapper/007:21:450
9841998431,9cyclictest21089-21grep06:41:301
9841998426,12cyclictest0-21swapper/105:16:361
9841998416,24cyclictest836-21threads08:41:451
984199834,38cyclictest0-21swapper/110:14:501
9841998238,8cyclictest4042-21needreboot08:46:381
984199813,39cyclictest0-21swapper/107:39:241
984199813,39cyclictest0-21swapper/107:39:241
984199765,38cyclictest0-21swapper/108:08:091
9841997632,9cyclictest13285-21gltestperf10:36:291
296642750,3sleep3361ktimersoftd/308:36:413
984299738,54cyclictest0-21swapper/210:06:102
984299734,30cyclictest0-21swapper/208:41:242
984299685,55cyclictest0-21swapper/209:56:302
9842996815,36cyclictest0-21swapper/209:26:252
984399674,47cyclictest0-21swapper/307:26:593
9842996517,19cyclictest0-21swapper/207:51:332
9842996413,34cyclictest0-21swapper/207:33:202
9842996335,17cyclictest121850irq/46-eth009:01:402
9842996335,17cyclictest121850irq/46-eth009:01:402
248599630,5rtkit-daemon10638-21diskstats05:11:382
9843996244,11cyclictest10035-21needreboot06:16:453
9843996244,11cyclictest10035-21needreboot06:16:453
983999624,50cyclictest0-21swapper/007:51:330
984299615,39cyclictest0-21swapper/207:36:312
984299615,39cyclictest0-21swapper/207:36:312
984299615,37cyclictest0-21swapper/208:56:302
984299615,36cyclictest0-21swapper/207:11:322
984299614,49cyclictest0-21swapper/210:36:232
984299614,40cyclictest0-21swapper/207:42:032
984299614,35cyclictest0-21swapper/208:40:072
984299614,33cyclictest0-21swapper/207:22:012
248599610,6rtkit-daemon0-21swapper/305:37:452
248599610,5rtkit-daemon2484-21rtkit-daemon05:46:220
984299605,49cyclictest0-21swapper/207:46:592
984299605,47cyclictest0-21swapper/210:10:422
984299605,35cyclictest0-21swapper/209:16:242
984299605,17cyclictest0-21swapper/208:50:492
984299604,49cyclictest0-21swapper/209:25:202
984299604,36cyclictest0-21swapper/207:57:112
984299604,31cyclictest0-21swapper/209:36:272
984299602,41cyclictest215981sshd05:34:162
984299602,41cyclictest215981sshd05:34:162
94472604,49sleep30-21swapper/307:21:163
984299595,47cyclictest0-21swapper/208:34:092
984299595,35cyclictest0-21swapper/209:51:442
984299595,34cyclictest0-21swapper/209:13:132
984299594,37cyclictest0-21swapper/209:47:482
984299594,37cyclictest0-21swapper/209:47:482
984299593,39cyclictest0-21swapper/207:30:332
9842995922,15cyclictest0-21swapper/208:11:482
188962593,49sleep30-21swapper/309:09:233
9843995841,10cyclictest3584-21needreboot10:21:343
984399584,18cyclictest0-21swapper/308:11:283
984299585,46cyclictest0-21swapper/210:26:242
984299585,46cyclictest0-21swapper/210:26:242
984299584,47cyclictest0-21swapper/208:27:252
984299584,35cyclictest0-21swapper/209:34:262
9842995832,20cyclictest0-21swapper/209:09:202
984299583,41cyclictest0-21swapper/205:25:362
984299575,46cyclictest0-21swapper/210:19:312
984299575,45cyclictest0-21swapper/207:16:402
984299575,33cyclictest0-21swapper/208:22:152
984299575,33cyclictest0-21swapper/208:22:152
984299575,33cyclictest0-21swapper/208:01:572
984299574,36cyclictest0-21swapper/210:35:532
984299574,28cyclictest0-21swapper/209:41:142
984299573,34cyclictest0-21swapper/208:20:342
9842995714,30cyclictest0-21swapper/210:13:432
9843995620,9cyclictest15347-21nscd07:41:273
984299565,43cyclictest0-21swapper/208:51:252
984299564,45cyclictest0-21swapper/208:09:542
9842995617,22cyclictest0-21swapper/210:24:022
9841995630,21cyclictest240682sleep109:16:341
76212565,44sleep10-21swapper/108:05:241
117522563,45sleep00-21swapper/005:11:560
984299555,42cyclictest0-21swapper/205:16:332
984299555,31cyclictest0-21swapper/205:56:212
9841995511,12cyclictest0-21swapper/110:21:401
983999554,45cyclictest0-21swapper/010:21:090
983999554,44cyclictest0-21swapper/007:45:530
983999553,45cyclictest0-21swapper/010:01:430
270322553,12sleep30-21swapper/308:32:273
9843995423,12cyclictest0-21swapper/309:46:393
9843995423,12cyclictest0-21swapper/309:46:393
984399542,23cyclictest0-21swapper/308:46:443
984299545,42cyclictest0-21swapper/206:06:202
984299545,41cyclictest0-21swapper/206:51:502
984299545,41cyclictest0-21swapper/205:46:362
984299545,32cyclictest0-21swapper/206:46:372
984199543,21cyclictest0-21swapper/110:30:031
984199543,21cyclictest0-21swapper/110:30:031
983999544,12cyclictest0-21swapper/009:11:350
983999543,45cyclictest0-21swapper/008:26:140
983999543,45cyclictest0-21swapper/008:26:140
9839995420,12cyclictest0-21swapper/008:26:320
984399538,12cyclictest0-21swapper/307:41:173
984399538,12cyclictest0-21swapper/307:41:173
984399533,31cyclictest0-21swapper/307:21:413
9843995323,12cyclictest0-21swapper/305:51:213
984299535,41cyclictest0-21swapper/206:16:362
984299535,41cyclictest0-21swapper/206:16:362
984299535,31cyclictest0-21swapper/206:21:402
984299534,41cyclictest0-21swapper/206:36:412
984299534,41cyclictest0-21swapper/206:16:192
984299534,41cyclictest0-21swapper/206:16:192
984299534,31cyclictest0-21swapper/206:56:322
984299534,31cyclictest0-21swapper/206:56:322
984199534,42cyclictest0-21swapper/109:31:121
983999533,45cyclictest0-21swapper/009:36:360
983999533,13cyclictest0-21swapper/010:06:440
983999533,10cyclictest0-21swapper/008:06:110
9839995313,31cyclictest0-21swapper/009:16:220
201812533,12sleep30-21swapper/308:22:033
201812533,12sleep30-21swapper/308:22:033
143832533,9sleep00-21swapper/005:18:370
984399526,10cyclictest0-21swapper/308:16:433
984399524,29cyclictest0-21swapper/306:56:133
984399524,26cyclictest0-21swapper/307:11:503
9843995220,11cyclictest22213-21latency10:01:343
984299525,38cyclictest16681-21cut06:31:382
984299525,31cyclictest0-21swapper/206:41:502
984299525,29cyclictest0-21swapper/207:06:462
984199523,44cyclictest0-21swapper/110:19:481
984199523,11cyclictest0-21swapper/110:06:261
983999525,29cyclictest0-21swapper/008:16:280
983999524,43cyclictest0-21swapper/007:49:240
983999524,42cyclictest0-21swapper/008:39:090
42842523,10sleep00-21swapper/008:00:360
157442523,42sleep315828-21rt-features09:51:403
984399517,31cyclictest0-21swapper/308:51:333
984399514,30cyclictest0-21swapper/307:46:493
984399514,29cyclictest0-21swapper/307:31:343
984399514,28cyclictest0-21swapper/310:31:363
984399514,28cyclictest0-21swapper/307:51:303
984399514,25cyclictest0-21swapper/309:18:433
984399513,30cyclictest0-21swapper/309:38:383
9843995120,13cyclictest0-21swapper/309:11:353
9843995112,21cyclictest1684-21nscd05:13:213
984299515,40cyclictest0-21swapper/205:26:352
984299515,39cyclictest0-21swapper/205:41:552
984299515,29cyclictest0-21swapper/205:56:532
9841995131,9cyclictest0-21swapper/107:43:461
984199513,41cyclictest0-21swapper/107:56:191
983999514,20cyclictest0-21swapper/008:46:450
983999513,43cyclictest0-21swapper/010:30:290
983999513,43cyclictest0-21swapper/010:30:290
983999513,43cyclictest0-21swapper/010:11:350
983999513,42cyclictest0-21swapper/010:39:250
9839995116,9cyclictest2579-21crond07:11:170
248599510,5rtkit-daemon2484-21rtkit-daemon09:15:061
248599510,5rtkit-daemon2484-21rtkit-daemon09:09:141
248599510,5rtkit-daemon2484-21rtkit-daemon08:56:441
106982513,41sleep00-21swapper/006:17:460
106982513,41sleep00-21swapper/006:17:460
984399505,25cyclictest0-21swapper/309:32:033
984399504,30cyclictest0-21swapper/309:21:273
984399504,28cyclictest0-21swapper/308:06:323
984399504,28cyclictest0-21swapper/307:56:373
984399504,28cyclictest0-21swapper/306:11:193
984399504,28cyclictest0-21swapper/305:51:323
984399504,12cyclictest0-21swapper/306:35:493
9843995036,8cyclictest18397-21sort09:56:283
9843995021,12cyclictest0-21swapper/306:41:283
9843995020,13cyclictest0-21swapper/308:26:493
984299504,28cyclictest0-21swapper/207:01:342
984199504,41cyclictest0-21swapper/110:01:391
984199503,41cyclictest0-21swapper/109:56:171
983999505,38cyclictest0-21swapper/009:51:410
983999505,38cyclictest0-21swapper/007:16:360
983999504,39cyclictest0-21swapper/007:28:310
9839995030,15cyclictest0-21swapper/009:04:340
9839995030,15cyclictest0-21swapper/009:04:340
9839995029,15cyclictest0-21swapper/008:56:320
38102504,7sleep33856-21cat06:06:203
322762502,41sleep00-21swapper/007:03:400
279262502,40sleep30-21swapper/306:56:303
279262502,40sleep30-21swapper/306:56:303
248599500,5rtkit-daemon2484-21rtkit-daemon09:02:291
248599500,5rtkit-daemon2484-21rtkit-daemon09:02:291
225862504,39sleep00-21swapper/006:42:040
192982503,9sleep00-21swapper/005:30:220
984399497,26cyclictest0-21swapper/310:11:233
984399496,26cyclictest0-21swapper/306:21:453
984399495,27cyclictest0-21swapper/307:01:393
984399494,27cyclictest0-21swapper/309:01:333
984399494,27cyclictest0-21swapper/309:01:333
984399494,27cyclictest0-21swapper/308:41:343
984399494,27cyclictest0-21swapper/306:26:303
984399494,26cyclictest0-21swapper/310:17:573
984399494,26cyclictest0-21swapper/305:36:223
984399494,26cyclictest0-21swapper/305:36:223
984399494,25cyclictest5610-21ssh08:01:353
9843994920,12cyclictest0-21swapper/307:06:413
9843994918,13cyclictest0-21swapper/310:06:233
984299494,27cyclictest0-21swapper/206:26:482
9842994933,10cyclictest5260-21needreboot06:06:462
984199494,40cyclictest0-21swapper/110:32:551
984199494,40cyclictest0-21swapper/109:42:061
984199493,41cyclictest0-21swapper/109:52:421
9839994933,10cyclictest15165-21tr05:21:360
9839994919,12cyclictest0-21swapper/005:41:210
9839994912,22cyclictest26091-21latency08:31:370
180412495,37sleep00-21swapper/006:35:020
984399485,27cyclictest0-21swapper/309:41:313
984399484,27cyclictest0-21swapper/306:11:403
984399484,27cyclictest0-21swapper/306:11:403
984399484,27cyclictest0-21swapper/305:16:413
984399483,27cyclictest0-21swapper/310:26:363
984399483,27cyclictest0-21swapper/310:26:363
984399483,26cyclictest0-21swapper/309:27:013
9843994822,20cyclictest11284-21ssh08:56:473
9843994821,9cyclictest13626-21ssh10:36:343
984199485,38cyclictest0-21swapper/107:18:111
984199484,40cyclictest0-21swapper/109:49:211
984199484,40cyclictest0-21swapper/109:49:211
984199484,38cyclictest0-21swapper/106:56:301
984199484,38cyclictest0-21swapper/106:56:301
9841994834,9cyclictest2581-21crond07:11:171
9841994831,10cyclictest13313-21grep08:11:471
984199482,41cyclictest1681-21nscd07:27:271
983999485,26cyclictest0-21swapper/006:06:480
983999484,39cyclictest0-21swapper/007:31:280
983999483,39cyclictest0-21swapper/006:51:300
9839994815,27cyclictest0-21swapper/006:26:330
86052483,38sleep00-21swapper/006:16:200
288772483,9sleep00-21swapper/005:50:530
984399474,34cyclictest0-21swapper/305:21:333
9843994732,10cyclictest24853-21unixbench_multi06:46:523
9841994733,10cyclictest19933-21cpuspeed_turbos05:31:361
9841994733,10cyclictest19933-21cpuspeed_turbos05:31:361
9841994721,21cyclictest0-21swapper/105:24:331
983999474,27cyclictest0-21swapper/006:01:420
240582473,9sleep30-21swapper/305:40:163
984399464,26cyclictest0-21swapper/305:56:323
9843994611,21cyclictest18987-21fschecks_count06:36:373
984199464,35cyclictest0-21swapper/108:31:251
984199463,38cyclictest0-21swapper/109:38:321
984199463,37cyclictest0-21swapper/108:26:361
9841994627,15cyclictest0-21swapper/109:35:041
984199462,37cyclictest5198-21ssh07:13:401
983999464,9cyclictest2069-21grep09:31:360
983999464,37cyclictest0-21swapper/005:54:290
983999464,36cyclictest0-21swapper/006:41:180
263042462,9sleep30-21swapper/305:43:223
248599460,5rtkit-daemon2484-21rtkit-daemon08:22:531
248599460,5rtkit-daemon2484-21rtkit-daemon08:22:531
191822462,9sleep30-21swapper/305:28:523
984199454,36cyclictest0-21swapper/106:51:181
9841994531,10cyclictest18125-21wc07:31:441
984199453,38cyclictest0-21swapper/106:07:271
984199453,37cyclictest0-21swapper/107:02:031
984199453,36cyclictest27773-21rm09:21:391
983999454,9cyclictest27953-21tail06:56:300
983999454,9cyclictest27953-21tail06:56:300
983999454,36cyclictest0-21swapper/005:56:470
983999454,12cyclictest0-21swapper/006:11:380
9839994516,24cyclictest0-21swapper/006:21:300
96252454,6sleep00-21swapper/005:09:020
82482454,33sleep20-21swapper/205:06:392
984199444,33cyclictest0-21swapper/106:31:321
984199444,33cyclictest0-21swapper/106:21:411
9841994430,8cyclictest29466-21tr05:51:351
9841994424,15cyclictest0-21swapper/105:56:391
9841994419,8cyclictest26627-21cat05:46:211
983999444,34cyclictest0-21swapper/005:31:350
983999444,34cyclictest0-21swapper/005:31:350
984199433,34cyclictest1609-21telnet06:01:321
984199433,34cyclictest0-21swapper/105:11:221
9841994314,12cyclictest0-21swapper/105:30:171
9841994311,9cyclictest9800-21if_eth006:16:411
9841994311,9cyclictest9800-21if_eth006:16:411
983999434,33cyclictest0-21swapper/006:46:300
984199423,25cyclictest0-21swapper/105:51:221
984199423,12cyclictest0-21swapper/106:53:241
9841994228,9cyclictest14345-21fschecks_time06:26:371
9841993925,10cyclictest0-21swapper/106:11:211
9841993925,10cyclictest0-21swapper/106:11:211
984399364,14cyclictest0-21swapper/305:11:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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