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2026-03-13 - 19:34

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 all highest latencies:
System rack1slot6s.osadl.org (updated Fri Mar 13, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
132872820,4sleep015-21rcuc/007:25:200
248599720,5rtkit-daemon0-21swapper/309:24:163
29467997117,23cyclictest0-21swapper/009:05:240
248599700,9rtkit-daemon0-21swapper/310:45:283
248599700,6rtkit-daemon0-21swapper/305:45:172
29467996911,49cyclictest0-21swapper/008:45:220
248599690,8rtkit-daemon0-21swapper/308:31:253
248599690,8rtkit-daemon0-21swapper/308:31:253
248599680,8rtkit-daemon0-21swapper/309:56:003
248599680,8rtkit-daemon0-21swapper/306:34:303
248599680,7rtkit-daemon0-21swapper/308:21:183
248599680,11rtkit-daemon0-21swapper/309:16:463
248599670,9rtkit-daemon0-21swapper/311:08:493
248599670,9rtkit-daemon0-21swapper/310:29:283
248599670,9rtkit-daemon0-21swapper/310:20:363
248599670,9rtkit-daemon0-21swapper/308:38:403
248599670,8rtkit-daemon0-21swapper/310:16:593
248599670,8rtkit-daemon0-21swapper/306:25:383
248599670,8rtkit-daemon0-21swapper/306:25:383
248599670,7rtkit-daemon0-21swapper/307:18:363
248599670,7rtkit-daemon0-21swapper/307:12:063
248599670,11rtkit-daemon0-21swapper/310:57:123
248599670,11rtkit-daemon0-21swapper/306:36:453
2946999663,56cyclictest0-21swapper/209:10:332
2946999663,56cyclictest0-21swapper/209:10:332
2946999663,56cyclictest0-21swapper/208:05:332
2946999663,54cyclictest0-21swapper/208:10:272
2946799665,37cyclictest0-21swapper/009:20:240
2946799664,54cyclictest0-21swapper/008:55:160
2946799663,57cyclictest2224-21df_abs08:50:150
2946799663,56cyclictest0-21swapper/010:09:260
248599660,9rtkit-daemon0-21swapper/310:42:053
248599660,9rtkit-daemon0-21swapper/310:00:073
248599660,9rtkit-daemon0-21swapper/309:50:453
248599660,9rtkit-daemon0-21swapper/309:50:453
248599660,9rtkit-daemon0-21swapper/307:45:503
248599660,9rtkit-daemon0-21swapper/307:45:503
248599660,9rtkit-daemon0-21swapper/307:42:503
248599660,9rtkit-daemon0-21swapper/307:31:433
248599660,9rtkit-daemon0-21swapper/306:12:463
248599660,8rtkit-daemon0-21swapper/307:57:343
248599660,7rtkit-daemon0-21swapper/308:19:033
248599660,7rtkit-daemon0-21swapper/307:39:053
248599660,11rtkit-daemon0-21swapper/309:42:383
248599660,10rtkit-daemon0-21swapper/307:09:143
248599660,10rtkit-daemon0-21swapper/306:01:243
52442658,9sleep15326-21ssh08:05:331
2946999653,54cyclictest0-21swapper/210:05:242
2946999653,54cyclictest0-21swapper/209:15:162
2946799654,52cyclictest0-21swapper/006:15:290
29467996515,25cyclictest5542-21missed_timers10:30:220
248599650,9rtkit-daemon0-21swapper/310:10:073
248599650,9rtkit-daemon0-21swapper/309:48:153
248599650,9rtkit-daemon0-21swapper/309:14:463
248599650,9rtkit-daemon0-21swapper/309:14:463
248599650,9rtkit-daemon0-21swapper/308:59:093
248599650,9rtkit-daemon0-21swapper/307:03:443
248599650,9rtkit-daemon0-21swapper/305:46:323
248599650,8rtkit-daemon0-21swapper/308:06:413
248599650,7rtkit-daemon0-21swapper/309:32:163
248599650,7rtkit-daemon0-21swapper/306:51:143
248599650,6rtkit-daemon0-21swapper/309:01:243
248599650,6rtkit-daemon0-21swapper/307:29:203
248599650,6rtkit-daemon0-21swapper/306:57:293
248599650,11rtkit-daemon0-21swapper/310:36:133
248599650,11rtkit-daemon0-21swapper/310:36:133
248599650,11rtkit-daemon0-21swapper/309:26:233
248599650,11rtkit-daemon0-21swapper/307:23:583
248599650,11rtkit-daemon0-21swapper/306:42:453
29468996420,25cyclictest26866-21cpuspeed_turbos10:15:121
2946799649,47cyclictest0-21swapper/010:21:210
2946799645,51cyclictest0-21swapper/008:20:340
2946799645,51cyclictest0-21swapper/005:45:200
2946799644,52cyclictest0-21swapper/008:06:490
2946799644,52cyclictest0-21swapper/007:55:300
29467996412,28cyclictest0-21swapper/009:28:310
248599640,8rtkit-daemon0-21swapper/310:52:423
248599640,8rtkit-daemon0-21swapper/308:50:473
248599640,8rtkit-daemon0-21swapper/308:41:103
248599640,8rtkit-daemon0-21swapper/305:53:473
248599640,7rtkit-daemon0-21swapper/310:34:283
248599640,6rtkit-daemon0-21swapper/310:05:073
248599640,10rtkit-daemon0-21swapper/309:37:003
248599640,10rtkit-daemon0-21swapper/308:03:193
248599640,10rtkit-daemon0-21swapper/305:57:463
2946999633,53cyclictest0-21swapper/211:11:162
2946999633,53cyclictest0-21swapper/209:05:262
2946999633,52cyclictest0-21swapper/208:50:182
29468996345,11cyclictest6235-21unixbench-2d06:00:411
2946799634,51cyclictest0-21swapper/005:55:190
2946799634,50cyclictest0-21swapper/009:45:000
248599630,10rtkit-daemon0-21swapper/311:04:043
207592633,53sleep00-21swapper/010:54:360
2946999623,52cyclictest0-21swapper/210:20:342
2946999623,52cyclictest0-21swapper/210:10:222
2946999623,52cyclictest0-21swapper/209:00:332
2946799625,50cyclictest0-21swapper/010:10:320
2946799625,50cyclictest0-21swapper/009:15:310
2946799625,12cyclictest0-21swapper/008:30:180
2946799625,12cyclictest0-21swapper/008:30:180
2946799624,50cyclictest0-21swapper/009:30:200
29467996220,23cyclictest0-21swapper/007:48:180
29467996220,23cyclictest0-21swapper/007:48:180
248599620,4rtkit-daemon17258-21ssh08:25:113
2946999613,51cyclictest26710-21grep07:50:242
2946999613,51cyclictest0-21swapper/210:54:582
2946999613,51cyclictest0-21swapper/208:18:262
2946999613,50cyclictest0-21swapper/209:55:202
2946999613,49cyclictest0-21swapper/208:45:282
2946799614,49cyclictest0-21swapper/009:10:140
2946799614,49cyclictest0-21swapper/009:10:140
2946799614,49cyclictest0-21swapper/008:40:170
2946799614,49cyclictest0-21swapper/006:30:320
2946799614,13cyclictest0-21swapper/010:49:580
2946799613,50cyclictest0-21swapper/010:35:090
2946799613,50cyclictest0-21swapper/010:35:090
2946799613,49cyclictest8050-21ssh08:10:200
101452613,12sleep00-21swapper/009:50:140
101452613,12sleep00-21swapper/009:50:140
2946999605,48cyclictest21161-21basename10:55:062
2946999603,50cyclictest0-21swapper/208:00:352
2946899603,49cyclictest0-21swapper/107:30:291
2946799605,49cyclictest0-21swapper/011:07:140
2946799604,49cyclictest0-21swapper/011:00:180
2946799604,48cyclictest1673-21ssh10:25:160
294532603,50sleep20-21swapper/206:50:282
252912604,49sleep00-21swapper/008:35:270
2947099594,45cyclictest0-21swapper/311:10:073
2946999593,49cyclictest0-21swapper/211:04:262
2946999593,49cyclictest0-21swapper/210:35:152
2946999593,49cyclictest0-21swapper/210:35:152
2946999593,49cyclictest0-21swapper/209:34:112
2946999593,49cyclictest0-21swapper/208:36:222
2946799594,13cyclictest0-21swapper/010:00:120
2946799593,50cyclictest0-21swapper/011:10:020
29470995840,10cyclictest8178-21rm08:10:223
2946999584,47cyclictest14982-21irqstats08:20:272
2946999583,48cyclictest0-21swapper/210:01:512
2946899584,41cyclictest0-21swapper/109:17:231
2946799585,48cyclictest0-21swapper/007:54:300
2946799585,46cyclictest0-21swapper/008:15:170
2946799584,46cyclictest18320-21ssh08:25:240
224362583,10sleep10-21swapper/107:45:091
224362583,10sleep10-21swapper/107:45:091
29470995737,12cyclictest25952-21telnet07:50:163
2946999573,47cyclictest0-21swapper/211:05:112
2946799577,45cyclictest0-21swapper/010:55:240
2946799575,27cyclictest0-21swapper/007:30:160
2946799574,37cyclictest0-21swapper/007:23:190
2946799573,38cyclictest0-21swapper/006:55:060
29467995718,23cyclictest0-21swapper/010:18:450
29470995627,13cyclictest0-21swapper/309:05:343
2946999563,47cyclictest0-21swapper/208:27:292
2946999563,13cyclictest0-21swapper/210:25:282
2946899563,48cyclictest0-21swapper/109:12:381
2946899563,48cyclictest0-21swapper/109:12:381
2946799564,37cyclictest0-21swapper/009:56:200
29467995630,19cyclictest1143-21cpuspeed_turbos07:00:210
2946799563,32cyclictest0-21swapper/007:10:360
2946999553,46cyclictest0-21swapper/209:50:212
2946999553,46cyclictest0-21swapper/209:50:212
2946799554,28cyclictest0-21swapper/007:05:230
243612553,10sleep10-21swapper/109:22:451
190962553,44sleep00-21swapper/007:35:370
87642543,12sleep00-21swapper/009:00:140
2946999543,45cyclictest0-21swapper/210:30:142
2946999543,44cyclictest0-21swapper/209:27:282
2946899546,32cyclictest0-21swapper/110:35:301
2946899546,32cyclictest0-21swapper/110:35:301
2946899544,29cyclictest0-21swapper/108:50:021
29468995413,23cyclictest0-21swapper/110:00:261
2946799545,25cyclictest2283-21users08:00:380
2946799545,17cyclictest0-21swapper/006:35:220
29467995437,11cyclictest9687-21cpuspeed_turbos06:10:210
281492542,9sleep20-21swapper/206:49:272
29470995335,12cyclictest0-21swapper/306:45:173
2946999534,42cyclictest0-21swapper/209:45:272
2946999533,44cyclictest0-21swapper/209:20:182
2946999533,43cyclictest0-21swapper/210:40:152
29469995326,11cyclictest0-21swapper/209:43:562
2946899534,33cyclictest0-21swapper/110:09:211
2946899534,27cyclictest0-21swapper/109:06:081
2946899533,45cyclictest0-21swapper/110:32:031
29468995324,12cyclictest24714-21swap10:10:301
29468995319,14cyclictest0-21swapper/109:50:141
29468995319,14cyclictest0-21swapper/109:50:141
29467995336,11cyclictest5439-21cut06:00:280
29467995335,11cyclictest14964-21gltestperf06:20:260
29467995335,10cyclictest31181-21cpuspeed_turbos06:55:180
29467995318,28cyclictest12033-21idleruntime10:40:170
198252532,45sleep10-21swapper/108:28:061
189482532,7sleep119002-21processes07:35:341
84542523,10sleep00-21swapper/009:46:100
2946999524,43cyclictest0-21swapper/210:47:532
2946999523,42cyclictest26577-21ssh10:15:092
2946999523,14cyclictest0-21swapper/207:45:232
2946999523,14cyclictest0-21swapper/207:45:232
2946899525,31cyclictest0-21swapper/109:03:471
2946899524,33cyclictest0-21swapper/106:20:331
2946899524,32cyclictest0-21swapper/109:32:421
2946899524,26cyclictest0-21swapper/110:28:181
2946899523,43cyclictest0-21swapper/109:39:501
29468995212,21cyclictest0-21swapper/106:15:181
287262524,6sleep00-21swapper/005:40:340
280432523,42sleep00-21swapper/006:48:040
279562523,43sleep127892-21yum-updatesd-he09:28:341
258132522,9sleep10-21swapper/111:00:251
2947099514,27cyclictest0-21swapper/306:20:083
2947099514,26cyclictest0-21swapper/308:45:433
2946999513,42cyclictest0-21swapper/208:55:132
2946999513,42cyclictest0-21swapper/207:25:342
29469995116,27cyclictest23791-21tail06:40:182
29469995114,24cyclictest0-21swapper/208:43:522
2946899515,28cyclictest0-21swapper/108:15:311
2946899514,33cyclictest0-21swapper/111:09:461
2946899514,28cyclictest0-21swapper/105:55:101
2946899514,27cyclictest0-21swapper/107:53:291
2946899514,13cyclictest0-21swapper/105:45:281
2946899513,9cyclictest16495-21ssh10:46:131
2946899513,43cyclictest0-21swapper/108:53:121
2946799515,27cyclictest0-21swapper/006:28:090
2946799515,27cyclictest0-21swapper/006:28:090
2946799514,30cyclictest0-21swapper/006:40:340
2946799514,27cyclictest0-21swapper/007:40:400
29467995133,11cyclictest8698-21unixbench_singl06:05:400
29467995121,23cyclictest2797-21ssh09:39:590
16502513,42sleep00-21swapper/005:53:140
104672512,9sleep10-21swapper/107:20:101
2946999503,9cyclictest0-21swapper/209:36:582
2946999503,42cyclictest0-21swapper/207:00:342
2946999503,41cyclictest0-21swapper/207:30:342
2946999503,40cyclictest0-21swapper/208:30:242
2946999503,40cyclictest0-21swapper/208:30:242
2946999502,42cyclictest0-21swapper/207:10:262
2946999502,42cyclictest0-21swapper/206:55:092
2946899506,23cyclictest0-21swapper/109:55:271
2946899504,28cyclictest0-21swapper/110:55:131
2946899504,28cyclictest0-21swapper/109:48:521
2946899504,28cyclictest0-21swapper/106:05:181
2946899504,27cyclictest0-21swapper/108:38:061
2946899504,26cyclictest0-21swapper/107:58:101
29468995031,13cyclictest0-21swapper/108:00:331
2946899503,13cyclictest0-21swapper/110:24:141
29468995023,12cyclictest0-21swapper/109:43:541
2946799504,39cyclictest0-21swapper/007:15:270
248599500,5rtkit-daemon2484-21rtkit-daemon05:40:253
14632502,9sleep20-21swapper/205:50:472
120612503,40sleep112119-21ssh10:40:181
29469994933,10cyclictest17092-21sort06:25:242
29469994933,10cyclictest17092-21sort06:25:242
2946999493,40cyclictest0-21swapper/207:56:182
2946999493,39cyclictest0-21swapper/206:35:172
2946999492,41cyclictest0-21swapper/206:20:302
2946899494,38cyclictest0-21swapper/111:10:161
2946899494,27cyclictest0-21swapper/108:56:541
2946899494,27cyclictest0-21swapper/107:05:161
2946899494,27cyclictest0-21swapper/106:25:251
2946899494,27cyclictest0-21swapper/106:25:251
2946899494,26cyclictest0-21swapper/110:52:361
29468994932,10cyclictest5825-21aten_r1power_po07:10:161
2946899493,28cyclictest0-21swapper/106:40:261
2946899493,25cyclictest0-21swapper/107:41:541
2946899493,23cyclictest27401-21telnet08:40:131
29470994822,19cyclictest1419-21runrttasks06:20:133
2946999483,39cyclictest0-21swapper/207:20:172
2946999482,40cyclictest0-21swapper/207:05:192
2946899484,38cyclictest0-21swapper/107:00:231
2946899484,27cyclictest0-21swapper/105:55:251
2946899484,26cyclictest0-21swapper/108:30:481
2946899484,26cyclictest0-21swapper/108:30:481
2946899484,26cyclictest0-21swapper/108:23:011
2946899483,24cyclictest0-21swapper/108:10:341
2946999473,37cyclictest0-21swapper/207:40:282
2946999473,37cyclictest0-21swapper/207:35:242
29469994724,11cyclictest0-21swapper/206:00:292
2946999472,41cyclictest0-21swapper/206:10:212
2946999472,40cyclictest0-21swapper/206:32:392
2946999472,39cyclictest0-21swapper/206:05:092
2946899474,26cyclictest0-21swapper/106:38:111
280342472,39sleep10-21swapper/106:47:571
29470994625,14cyclictest0-21swapper/306:10:083
2946999462,39cyclictest0-21swapper/207:15:312
2946899464,26cyclictest0-21swapper/107:18:181
2946899463,25cyclictest0-21swapper/106:55:341
29468994617,12cyclictest0-21swapper/106:50:421
2946999452,39cyclictest0-21swapper/206:15:352
29468994530,9cyclictest13023-21aten_r1power_vo07:25:181
29468994529,10cyclictest20632-21unixbench_singl06:30:391
26682452,37sleep20-21swapper/205:55:222
113092452,37sleep10-21swapper/106:13:031
2946999393,22cyclictest0-21swapper/205:45:092
2946899333,10cyclictest0-21swapper/105:45:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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