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2026-05-17 - 19:08

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 Sun May 17, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12532991063,56cyclictest21148-21unixbench-2d07:04:342
12528991053,47cyclictest0-21swapper/109:47:221
125289910325,11cyclictest20208-21cpuspeed_turbos04:59:211
12532991014,54cyclictest15957-21gltestperf10:09:142
125289910141,52cyclictest0-21swapper/107:04:331
1253299995,50cyclictest0-21swapper/209:09:312
1252899995,30cyclictest0-21swapper/109:29:591
1253299956,28cyclictest14210-21yum-updatesd-he08:30:012
1253299955,50cyclictest0-21swapper/206:44:322
1252899953,51cyclictest0-21swapper/106:55:171
1252899946,42cyclictest0-21swapper/109:09:191
1252899913,47cyclictest0-21swapper/106:38:451
1253299906,46cyclictest0-21swapper/209:24:172
12528999041,13cyclictest0-21swapper/109:39:101
12528998922,15cyclictest0-21swapper/109:19:261
12528998922,15cyclictest0-21swapper/109:19:261
248599870,5rtkit-daemon2484-21rtkit-daemon08:04:322
248599850,5rtkit-daemon2484-21rtkit-daemon08:12:472
248599840,5rtkit-daemon2484-21rtkit-daemon07:34:182
248599840,5rtkit-daemon2484-21rtkit-daemon07:14:192
248599840,5rtkit-daemon2484-21rtkit-daemon07:14:192
12524997918,54cyclictest0-21swapper/008:09:310
12524997826,45cyclictest25552-21rm08:48:590
12524997719,50cyclictest0-21swapper/009:14:090
12524997716,55cyclictest0-21swapper/010:10:310
12524997712,58cyclictest0-21swapper/008:19:170
12524997627,42cyclictest1419-21runrttasks08:52:310
12524997624,45cyclictest20666-21cut07:04:270
12524997623,46cyclictest0-21swapper/006:09:430
12524997622,47cyclictest0-21swapper/007:49:250
12524997518,50cyclictest0-21swapper/007:33:580
12524997517,50cyclictest0-21swapper/008:26:520
1252499748,53cyclictest0-21swapper/007:00:090
12533997324,27cyclictest12362-21cut05:49:233
12524997315,52cyclictest0-21swapper/007:47:050
12524997314,51cyclictest0-21swapper/009:20:450
12524997314,51cyclictest0-21swapper/009:20:450
12524997223,43cyclictest1419-21runrttasks10:07:040
12524997221,44cyclictest0-21swapper/007:09:230
12524997214,51cyclictest0-21swapper/009:59:260
12524997214,51cyclictest0-21swapper/009:59:260
12524997129,34cyclictest14780-21grep05:54:240
12524997129,34cyclictest14780-21grep05:54:240
12524997127,16cyclictest22753-21unixbench_singl07:54:340
12524997125,26cyclictest13085-21ssh07:41:050
12524997123,42cyclictest8374-21find09:09:270
12524997120,44cyclictest0-21swapper/006:54:200
12524997120,34cyclictest0-21swapper/007:34:170
12524997114,49cyclictest0-21swapper/008:29:240
1253299704,57cyclictest0-21swapper/209:44:252
12524997024,40cyclictest15954-21cpuspeed_turbos08:34:130
12524997023,40cyclictest1419-21runrttasks08:56:540
12524997020,42cyclictest0-21swapper/005:14:250
12524997018,43cyclictest0-21swapper/006:49:180
12524997012,51cyclictest0-21swapper/007:59:240
12524997012,51cyclictest0-21swapper/007:59:240
1253299694,57cyclictest0-21swapper/208:39:162
1253299694,57cyclictest0-21swapper/208:39:162
1252499697,56cyclictest0-21swapper/009:30:110
12524996924,38cyclictest31441-21grep09:44:170
12524996922,39cyclictest25056-21munin-node09:34:230
12524996920,43cyclictest0-21swapper/008:59:190
12524996919,43cyclictest0-21swapper/009:49:130
12524996918,15cyclictest0-21swapper/007:19:530
12524996917,45cyclictest0-21swapper/009:24:210
1253299684,58cyclictest0-21swapper/209:19:112
1253299684,58cyclictest0-21swapper/209:19:112
12524996822,39cyclictest2511-21grep07:24:350
12524996821,40cyclictest0-21swapper/006:19:280
12524996820,41cyclictest0-21swapper/009:39:170
12524996819,42cyclictest0-21swapper/009:54:260
12524996818,33cyclictest0-21swapper/008:08:590
12524996811,51cyclictest0-21swapper/009:07:530
248599670,9rtkit-daemon2484-21rtkit-daemon08:16:243
194732676,53sleep10-21swapper/107:49:461
12533996722,29cyclictest15468-21netstat07:44:293
12524996728,15cyclictest91221munin-node05:44:330
12524996727,34cyclictest24999-21cpuspeed_turbos05:09:190
12524996727,34cyclictest24999-21cpuspeed_turbos05:09:190
12524996724,37cyclictest1419-21runrttasks06:04:360
12524996718,42cyclictest0-21swapper/004:54:310
1253299664,52cyclictest0-21swapper/208:56:112
12524996622,37cyclictest0-21swapper/008:40:150
12524996622,37cyclictest0-21swapper/008:40:150
12524996620,39cyclictest0-21swapper/008:14:120
12524996619,40cyclictest0-21swapper/006:14:210
12524996619,32cyclictest0-21swapper/007:17:560
12524996619,32cyclictest0-21swapper/007:17:560
12524996618,41cyclictest0-21swapper/006:44:250
43042650,3sleep2281ktimersoftd/208:15:462
12533996519,26cyclictest0-21swapper/307:55:023
12528996543,14cyclictest0-21swapper/107:24:261
12524996512,47cyclictest0-21swapper/004:59:280
1253399645,48cyclictest0-21swapper/310:01:563
1253399645,48cyclictest0-21swapper/310:01:563
1253299644,52cyclictest0-21swapper/208:19:182
12524996419,39cyclictest0-21swapper/005:34:420
1253399635,32cyclictest0-21swapper/308:04:163
1253299634,49cyclictest0-21swapper/205:39:172
12528996343,14cyclictest0-21swapper/107:30:151
1253399625,51cyclictest0-21swapper/304:57:463
1253399624,51cyclictest0-21swapper/309:54:063
1253399623,53cyclictest0-21swapper/309:39:383
12533996218,27cyclictest121850irq/46-eth009:14:263
12533996214,28cyclictest0-21swapper/307:09:223
1253299624,50cyclictest0-21swapper/206:49:262
1253299624,41cyclictest0-21swapper/210:08:282
12532996221,24cyclictest0-21swapper/207:24:242
1253299622,54cyclictest0-21swapper/207:49:212
12528996219,36cyclictest12067-21latency_hist08:28:591
12524996219,36cyclictest29453-21munin-node05:19:290
248599610,4rtkit-daemon2484-21rtkit-daemon07:02:203
1253399615,48cyclictest0-21swapper/308:09:543
1253399615,43cyclictest0-21swapper/307:21:363
1253399615,18cyclictest3548-21runrttasks07:28:173
1253299614,49cyclictest0-21swapper/209:54:152
1253299614,39cyclictest0-21swapper/207:02:582
1253299613,51cyclictest0-21swapper/209:03:582
1253299613,50cyclictest0-21swapper/206:59:032
12528996140,14cyclictest0-21swapper/109:34:091
1252499616,49cyclictest0-21swapper/005:53:370
12524996119,35cyclictest0-21swapper/005:39:200
12524996117,28cyclictest0-21swapper/004:49:270
268002600,4sleep326848-21sh06:19:263
1253399605,47cyclictest0-21swapper/309:44:283
1253399605,46cyclictest5399-21munin-node07:29:303
1253399605,32cyclictest0-21swapper/310:07:543
1253399605,29cyclictest16771-21latency_hist09:23:573
1253399605,29cyclictest16771-21latency_hist09:23:573
1253399604,48cyclictest0-21swapper/306:51:293
1253399604,36cyclictest0-21swapper/305:04:173
1253399604,21cyclictest24842-21df_abs07:59:163
1253399604,21cyclictest24842-21df_abs07:59:163
12533996013,14cyclictest1243-21lldpd07:38:143
1253299605,38cyclictest0-21swapper/209:50:442
1253299604,48cyclictest0-21swapper/208:34:142
1253299604,48cyclictest0-21swapper/207:43:592
1253299604,37cyclictest0-21swapper/205:34:052
1253299603,49cyclictest0-21swapper/209:39:112
12532996014,28cyclictest0-21swapper/209:30:492
12528996039,14cyclictest0-21swapper/108:04:311
12524996034,20cyclictest0-21swapper/004:44:080
12524996011,41cyclictest0-21swapper/006:24:300
1253399595,46cyclictest22138-21cat08:43:583
1253399595,46cyclictest22138-21cat08:43:583
1253399595,46cyclictest0-21swapper/309:30:123
1253399595,35cyclictest0-21swapper/308:34:213
12533995914,29cyclictest0-21swapper/308:22:533
1253299594,48cyclictest0-21swapper/210:01:262
1253299594,48cyclictest0-21swapper/210:01:262
1253299594,38cyclictest0-21swapper/207:48:432
12524995917,36cyclictest0-21swapper/005:29:000
12524995913,37cyclictest0-21swapper/005:59:190
12524995912,41cyclictest0-21swapper/005:04:180
12524995912,28cyclictest0-21swapper/006:29:160
248599580,7rtkit-daemon0-21swapper/305:10:022
248599580,7rtkit-daemon0-21swapper/305:10:022
248599580,7rtkit-daemon0-21swapper/305:09:022
1253399586,38cyclictest19507-21ssh07:04:133
1253399585,45cyclictest0-21swapper/309:49:173
1253399584,40cyclictest0-21swapper/307:39:353
1253399584,38cyclictest0-21swapper/308:25:023
1253399584,36cyclictest0-21swapper/306:48:183
1253299584,48cyclictest0-21swapper/207:59:232
1253299584,48cyclictest0-21swapper/207:59:232
12532995814,27cyclictest0-21swapper/207:58:242
12524995814,38cyclictest0-21swapper/006:44:030
12524995812,40cyclictest0-21swapper/005:33:330
1253399575,44cyclictest0-21swapper/309:34:113
1253399575,33cyclictest0-21swapper/304:49:193
1253399575,32cyclictest0-21swapper/304:44:303
1253399574,44cyclictest16125-21irqstats10:09:173
1253299574,46cyclictest0-21swapper/208:48:202
1253299574,32cyclictest0-21swapper/209:38:562
12528995722,27cyclictest0-21swapper/105:44:051
1253399565,43cyclictest0-21swapper/308:51:043
1253399565,43cyclictest0-21swapper/307:54:003
1253399565,34cyclictest0-21swapper/305:24:223
1253399565,33cyclictest0-21swapper/308:59:263
1253399564,35cyclictest0-21swapper/307:16:523
1253399564,35cyclictest0-21swapper/307:16:523
1253399563,35cyclictest0-21swapper/306:58:043
12533995615,24cyclictest0-21swapper/308:48:563
12533995615,21cyclictest0-21swapper/308:29:313
1253299564,46cyclictest0-21swapper/209:14:522
1253299564,46cyclictest0-21swapper/207:10:542
1253299564,44cyclictest0-21swapper/208:50:502
1252899563,48cyclictest0-21swapper/110:07:351
1252899563,48cyclictest0-21swapper/107:47:311
1252899563,47cyclictest0-21swapper/110:09:351
1252899563,47cyclictest0-21swapper/107:14:151
1252899563,47cyclictest0-21swapper/107:14:151
1252899563,46cyclictest0-21swapper/104:49:201
12528995614,33cyclictest0-21swapper/107:54:141
12524995611,36cyclictest0-21swapper/004:44:330
248599550,5rtkit-daemon2484-21rtkit-daemon05:14:313
1253399555,32cyclictest0-21swapper/309:24:213
1253399555,31cyclictest0-21swapper/305:41:473
12533995517,22cyclictest29188-21aten2.4-expect08:54:103
12533995514,26cyclictest0-21swapper/309:04:033
1253299553,37cyclictest0-21swapper/209:07:152
1252899553,48cyclictest0-21swapper/108:30:511
1252899553,47cyclictest0-21swapper/108:56:391
1252899553,47cyclictest0-21swapper/107:12:281
1252899553,46cyclictest0-21swapper/109:56:081
1252899553,46cyclictest0-21swapper/109:51:341
1252899553,46cyclictest0-21swapper/109:05:411
1252899553,46cyclictest0-21swapper/108:39:001
1252899553,46cyclictest0-21swapper/108:39:001
1252899553,46cyclictest0-21swapper/108:19:391
1252899553,46cyclictest0-21swapper/107:59:101
1252899553,46cyclictest0-21swapper/107:59:101
12524995531,18cyclictest808-21cpuspeed_turbos06:34:180
286872542,45sleep10-21swapper/108:53:321
248952542,8sleep124977-21munin-node06:14:361
1253399544,43cyclictest0-21swapper/305:34:383
1253399544,29cyclictest0-21swapper/309:09:033
12533995436,12cyclictest20449-21head06:04:373
12533995417,12cyclictest121850irq/46-eth005:44:203
1253299544,45cyclictest0-21swapper/208:28:272
1253299543,11cyclictest0-21swapper/207:21:522
12528995437,12cyclictest0-21swapper/108:36:361
1252899543,47cyclictest0-21swapper/109:01:321
1252899543,47cyclictest0-21swapper/108:44:331
1252899543,46cyclictest0-21swapper/109:26:241
1252899543,46cyclictest0-21swapper/109:16:471
1252899543,46cyclictest0-21swapper/106:50:521
1252899543,46cyclictest0-21swapper/106:48:021
1252899543,45cyclictest0-21swapper/110:00:051
1252899543,45cyclictest0-21swapper/110:00:051
1252899543,45cyclictest0-21swapper/108:18:041
1252899543,45cyclictest0-21swapper/107:39:151
1252899543,45cyclictest0-21swapper/107:01:331
12528995422,26cyclictest29337-21load06:24:261
40362532,44sleep10-21swapper/105:33:291
3422537,38sleep20-21swapper/205:24:272
307692533,42sleep20-21swapper/205:19:352
1253399535,41cyclictest0-21swapper/306:04:063
1253299534,43cyclictest0-21swapper/206:35:132
12532995323,14cyclictest0-21swapper/206:14:322
1252899535,28cyclictest0-21swapper/107:19:211
1252899534,28cyclictest0-21swapper/107:34:251
1252899534,13cyclictest0-21swapper/104:44:291
1252899532,45cyclictest0-21swapper/108:09:091
105682534,41sleep310769-21expr04:39:233
12533995236,9cyclictest3646-21unixbench_multi05:29:383
12533995230,15cyclictest0-21swapper/306:34:233
12533995221,13cyclictest0-21swapper/306:24:203
1253299528,26cyclictest0-21swapper/205:44:182
1253299524,29cyclictest0-21swapper/205:54:292
1253299524,29cyclictest0-21swapper/205:54:292
1253299524,28cyclictest0-21swapper/206:04:382
1253299524,26cyclictest4658-21fschecks_count07:29:192
12532995220,12cyclictest0-21swapper/205:49:192
1252899524,30cyclictest0-21swapper/104:59:061
289882512,43sleep10-21swapper/105:16:121
248599510,5rtkit-daemon2484-21rtkit-daemon04:59:243
1253399515,30cyclictest3690-21diskstats06:39:203
1253299515,25cyclictest0-21swapper/206:28:002
1253299513,29cyclictest0-21swapper/206:39:142
1253299512,43cyclictest0-21swapper/204:44:282
12528995133,11cyclictest15473-21cat05:54:371
12528995133,11cyclictest15473-21cat05:54:371
1252899513,43cyclictest0-21swapper/106:39:151
1253399505,38cyclictest0-21swapper/305:54:223
1253399505,38cyclictest0-21swapper/305:54:223
1253399504,29cyclictest0-21swapper/305:19:343
1253399504,28cyclictest0-21swapper/306:14:253
1253399504,28cyclictest0-21swapper/305:09:373
1253399504,28cyclictest0-21swapper/305:09:373
1253299505,29cyclictest0-21swapper/204:59:282
1253299505,29cyclictest0-21swapper/204:49:332
1253299505,24cyclictest0-21swapper/206:19:172
1253299504,25cyclictest0-21swapper/204:54:182
1252899505,38cyclictest0-21swapper/105:19:231
1252899504,38cyclictest0-21swapper/105:04:221
1252899504,28cyclictest0-21swapper/105:44:361
12528995033,10cyclictest16731-21grep05:59:201
1252899502,43cyclictest0-21swapper/105:09:171
1252899502,43cyclictest0-21swapper/105:09:171
1253399495,36cyclictest0-21swapper/306:09:163
12533994914,20cyclictest0-21swapper/306:29:163
1253299494,31cyclictest0-21swapper/206:30:042
1253299494,28cyclictest0-21swapper/205:14:192
1253299494,25cyclictest0-21swapper/206:14:052
12532994919,14cyclictest0-21swapper/205:59:182
1252899493,40cyclictest0-21swapper/106:09:151
1253299484,24cyclictest0-21swapper/205:34:292
1252899485,37cyclictest0-21swapper/105:49:241
1252899472,40cyclictest0-21swapper/105:38:341
1252899465,34cyclictest0-21swapper/105:24:341
1252899464,22cyclictest0-21swapper/106:19:151
1252899463,39cyclictest0-21swapper/106:30:041
1252899453,36cyclictest0-21swapper/106:04:161
12532994125,10cyclictest1419-21runrttasks04:44:082
1252899393,30cyclictest0-21swapper/104:44:091
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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