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2026-05-27 - 07:46

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 Wed May 27, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
248599900,14rtkit-daemon2484-21rtkit-daemon21:04:413
248599900,12rtkit-daemon2484-21rtkit-daemon18:43:393
248599880,12rtkit-daemon2484-21rtkit-daemon18:50:543
248599880,12rtkit-daemon2484-21rtkit-daemon16:37:443
248599870,13rtkit-daemon2484-21rtkit-daemon21:39:253
248599870,12rtkit-daemon2484-21rtkit-daemon19:34:073
248599870,12rtkit-daemon2484-21rtkit-daemon18:30:173
248599870,12rtkit-daemon2484-21rtkit-daemon17:38:573
248599870,12rtkit-daemon2484-21rtkit-daemon17:38:573
248599870,11rtkit-daemon2484-21rtkit-daemon21:15:483
248599860,12rtkit-daemon2484-21rtkit-daemon21:27:253
248599860,12rtkit-daemon2484-21rtkit-daemon19:41:293
248599860,12rtkit-daemon2484-21rtkit-daemon19:27:003
248599860,12rtkit-daemon2484-21rtkit-daemon18:56:243
248599850,5rtkit-daemon2484-21rtkit-daemon21:31:253
248599850,5rtkit-daemon2484-21rtkit-daemon20:15:503
248599850,12rtkit-daemon2484-21rtkit-daemon20:05:513
248599840,5rtkit-daemon2484-21rtkit-daemon19:57:513
248599830,4rtkit-daemon2484-21rtkit-daemon20:00:143
248599820,4rtkit-daemon2484-21rtkit-daemon22:00:013
248599790,4rtkit-daemon2484-21rtkit-daemon18:45:093
248599700,6rtkit-daemon0-21swapper/019:47:293
248599700,6rtkit-daemon0-21swapper/019:47:293
1560997042,12cyclictest0-21swapper/218:37:502
155999703,61cyclictest0-21swapper/118:50:191
155699704,59cyclictest0-21swapper/019:34:410
248599680,5rtkit-daemon2484-21rtkit-daemon19:00:382
248599680,5rtkit-daemon2484-21rtkit-daemon19:00:382
1560996840,12cyclictest0-21swapper/221:19:592
248599670,6rtkit-daemon0-21swapper/021:07:033
248599670,6rtkit-daemon0-21swapper/020:36:573
156099674,26cyclictest0-21swapper/221:04:282
1560996738,13cyclictest0-21swapper/219:10:222
1560996738,13cyclictest0-21swapper/218:15:282
1560996732,20cyclictest0-21swapper/218:48:452
155699674,13cyclictest0-21swapper/019:04:530
155699674,13cyclictest0-21swapper/019:04:530
1556996722,39cyclictest20049-21cpuspeed_turbos21:35:140
1556996716,44cyclictest6310-21aten_r1power_en21:15:120
248599660,5rtkit-daemon2484-21rtkit-daemon18:55:542
248599660,4rtkit-daemon2484-21rtkit-daemon19:49:142
248599660,4rtkit-daemon2484-21rtkit-daemon19:49:142
1560996638,13cyclictest0-21swapper/221:06:142
1560996638,13cyclictest0-21swapper/218:43:052
155699664,12cyclictest0-21swapper/019:35:450
155699664,10cyclictest19125-21tr19:10:190
1556996612,46cyclictest5793-21if_eth020:25:230
248599650,5rtkit-daemon2484-21rtkit-daemon21:33:552
248599650,4rtkit-daemon2484-21rtkit-daemon20:07:132
248599650,10rtkit-daemon2484-21rtkit-daemon20:18:052
1560996538,12cyclictest0-21swapper/219:55:322
1560996538,12cyclictest0-21swapper/219:30:582
248599640,7rtkit-daemon0-21swapper/018:23:473
248599640,7rtkit-daemon0-21swapper/018:23:473
248599640,6rtkit-daemon0-21swapper/016:40:593
1560996437,12cyclictest0-21swapper/219:54:512
322692633,53sleep00-21swapper/021:52:210
248599630,7rtkit-daemon0-21swapper/120:10:513
248599630,7rtkit-daemon0-21swapper/021:59:543
248599630,6rtkit-daemon0-21swapper/119:53:443
248599630,6rtkit-daemon0-21swapper/019:19:083
248599630,4rtkit-daemon2484-21rtkit-daemon22:01:462
248599630,4rtkit-daemon2484-21rtkit-daemon20:20:282
248599630,4rtkit-daemon2484-21rtkit-daemon20:20:282
248599630,4rtkit-daemon2484-21rtkit-daemon20:02:442
1560996343,13cyclictest0-21swapper/221:23:422
1560996337,12cyclictest0-21swapper/220:56:342
155699635,51cyclictest0-21swapper/018:50:380
155699634,12cyclictest0-21swapper/021:45:130
248599620,5rtkit-daemon0-21swapper/117:00:513
248599620,4rtkit-daemon2484-21rtkit-daemon20:27:352
248599620,12rtkit-daemon2484-21rtkit-daemon21:51:172
1560996235,12cyclictest0-21swapper/220:10:212
1559996236,12cyclictest0-21swapper/119:26:091
155999623,53cyclictest0-21swapper/119:21:491
155999623,53cyclictest0-21swapper/118:48:581
1559996213,43cyclictest4263-21gltestperf19:35:241
155699624,14cyclictest0-21swapper/020:20:210
155699624,14cyclictest0-21swapper/020:20:210
248599610,4rtkit-daemon7277-21ssh20:27:503
248599610,12rtkit-daemon2484-21rtkit-daemon21:25:402
1560996120,23cyclictest1287-21snmpd20:50:192
155699614,50cyclictest0-21swapper/022:00:240
155699614,11cyclictest0-21swapper/020:50:310
248599600,4rtkit-daemon2484-21rtkit-daemon20:37:052
248599600,4rtkit-daemon2484-21rtkit-daemon19:27:452
1560996033,12cyclictest0-21swapper/221:12:002
1560996033,12cyclictest0-21swapper/220:45:192
1560996033,12cyclictest0-21swapper/218:53:402
155999604,49cyclictest19345-21munin-node19:10:201
1559996011,44cyclictest201ktimersoftd/121:45:291
155699606,47cyclictest1419-21runrttasks21:40:570
155699604,15cyclictest0-21swapper/021:21:290
155699604,13cyclictest0-21swapper/021:05:020
155699604,13cyclictest0-21swapper/020:05:300
155699603,9cyclictest9692-21python20:30:380
248599590,7rtkit-daemon0-21swapper/218:42:320
156199594,40cyclictest0-21swapper/320:54:433
1561995925,10cyclictest12906-21latency_hist21:25:013
1560995937,10cyclictest0-21swapper/221:39:452
1560995932,12cyclictest0-21swapper/219:40:572
1560995927,13cyclictest0-21swapper/219:24:032
155999595,46cyclictest0-21swapper/119:50:171
155999593,50cyclictest0-21swapper/120:55:471
155699594,48cyclictest0-21swapper/020:40:350
155699594,13cyclictest0-21swapper/019:05:280
155699594,12cyclictest0-21swapper/021:05:190
155699593,13cyclictest0-21swapper/018:48:210
1556995911,41cyclictest0-21swapper/020:15:280
32742584,47sleep00-21swapper/017:45:250
248599580,7rtkit-daemon0-21swapper/219:05:163
248599580,4rtkit-daemon8780-21ssh19:41:140
1560995833,11cyclictest0-21swapper/219:17:512
1560995831,11cyclictest0-21swapper/221:40:322
1560995830,13cyclictest0-21swapper/220:42:132
155699584,46cyclictest0-21swapper/019:20:250
155699584,12cyclictest0-21swapper/020:38:270
34232573,47sleep10-21swapper/117:45:261
29062572,9sleep10-21swapper/119:34:261
1561995739,10cyclictest25926-21gltestperf20:55:203
1560995711,27cyclictest0-21swapper/221:45:142
155999574,47cyclictest0-21swapper/121:29:231
155999574,10cyclictest27490-21munin-node20:10:191
155999573,8cyclictest0-21swapper/121:21:391
155999573,46cyclictest0-21swapper/120:45:131
155999573,10cyclictest0-21swapper/121:45:001
155699574,45cyclictest0-21swapper/020:45:130
155699574,45cyclictest0-21swapper/019:25:180
68452563,47sleep16850-21sh20:26:141
248599560,6rtkit-daemon0-21swapper/220:13:210
248599560,5rtkit-daemon0-21swapper/219:57:290
248599560,3rtkit-daemon2868-21ssh21:10:110
1560995631,11cyclictest0-21swapper/220:32:482
155999563,47cyclictest0-21swapper/121:55:471
155999563,10cyclictest9651-21grep18:55:311
155999563,10cyclictest0-21swapper/118:36:471
1559995625,9cyclictest0-21swapper/120:05:031
155699564,44cyclictest0-21swapper/021:25:210
155699564,14cyclictest0-21swapper/019:18:050
155699563,46cyclictest1287-21snmpd18:11:320
155699563,11cyclictest0-21swapper/019:47:070
155699563,11cyclictest0-21swapper/019:47:070
248599550,4rtkit-daemon2484-21rtkit-daemon18:33:392
248599550,4rtkit-daemon2484-21rtkit-daemon18:28:472
248599550,4rtkit-daemon2484-21rtkit-daemon18:23:022
248599550,4rtkit-daemon2484-21rtkit-daemon18:23:022
156199554,45cyclictest0-21swapper/320:44:063
156199554,25cyclictest0-21swapper/320:33:463
1561995528,11cyclictest24352-21missed_timers21:40:253
156099555,30cyclictest0-21swapper/217:50:392
155999553,46cyclictest0-21swapper/120:50:221
155999553,10cyclictest0-21swapper/120:21:441
155999553,10cyclictest0-21swapper/120:21:441
155999552,47cyclictest0-21swapper/116:55:221
155999552,47cyclictest0-21swapper/116:55:221
155699554,44cyclictest0-21swapper/019:50:310
155699554,37cyclictest0-21swapper/016:40:260
155699554,12cyclictest0-21swapper/017:10:360
1556995519,13cyclictest0-21swapper/018:15:380
248599540,5rtkit-daemon2484-21rtkit-daemon21:55:322
248599540,5rtkit-daemon2484-21rtkit-daemon19:36:522
248599540,5rtkit-daemon2484-21rtkit-daemon17:37:192
248599540,5rtkit-daemon2484-21rtkit-daemon17:37:192
248599540,5rtkit-daemon2484-21rtkit-daemon17:28:352
248599540,5rtkit-daemon2484-21rtkit-daemon17:20:272
248599540,5rtkit-daemon2484-21rtkit-daemon17:15:352
248599540,5rtkit-daemon2484-21rtkit-daemon17:14:582
248599540,5rtkit-daemon2484-21rtkit-daemon16:55:212
248599540,5rtkit-daemon2484-21rtkit-daemon16:55:212
248599540,4rtkit-daemon29461-21ssh21:49:243
248599540,4rtkit-daemon2484-21rtkit-daemon19:07:532
248599540,4rtkit-daemon2484-21rtkit-daemon18:08:402
248599540,4rtkit-daemon2484-21rtkit-daemon18:03:112
248599540,4rtkit-daemon2484-21rtkit-daemon17:46:492
248599540,4rtkit-daemon2484-21rtkit-daemon17:41:422
248599540,4rtkit-daemon2484-21rtkit-daemon16:45:212
156199543,35cyclictest0-21swapper/316:50:233
155999544,45cyclictest0-21swapper/119:20:061
155999543,8cyclictest25821-21sh20:06:571
155999543,13cyclictest0-21swapper/121:02:381
155699543,43cyclictest0-21swapper/021:55:110
297052533,42sleep10-21swapper/117:30:431
296092532,43sleep30-21swapper/317:30:403
248599530,6rtkit-daemon2484-21rtkit-daemon19:35:373
248599530,5rtkit-daemon2484-21rtkit-daemon17:57:562
248599530,5rtkit-daemon2484-21rtkit-daemon17:33:422
248599530,4rtkit-daemon2484-21rtkit-daemon18:12:402
248599530,4rtkit-daemon2484-21rtkit-daemon17:05:202
248599530,4rtkit-daemon2484-21rtkit-daemon16:50:592
248599530,4rtkit-daemon2484-21rtkit-daemon16:42:362
248599530,4rtkit-daemon2484-21rtkit-daemon16:38:292
248599530,4rtkit-daemon121850irq/46-eth019:42:441
231512533,44sleep023155-21idleruntime-cro17:20:090
186102533,10sleep10-21swapper/117:10:191
156199535,29cyclictest0-21swapper/318:35:223
156199532,25cyclictest0-21swapper/317:40:293
155999533,45cyclictest0-21swapper/119:02:511
155999533,45cyclictest0-21swapper/119:02:511
155999533,44cyclictest0-21swapper/121:15:011
155999533,12cyclictest0-21swapper/122:01:411
155999533,12cyclictest0-21swapper/116:40:241
155999533,11cyclictest0-21swapper/118:40:201
155999533,10cyclictest0-21swapper/121:35:211
155999532,44cyclictest26708-21diskmemload21:33:541
1556995336,11cyclictest20556-21tr20:00:160
155699533,44cyclictest0-21swapper/017:51:150
155699533,14cyclictest0-21swapper/018:36:170
85792522,43sleep00-21swapper/016:47:000
298642522,43sleep10-21swapper/121:50:041
291992523,41sleep00-21swapper/017:30:330
248599520,5rtkit-daemon2484-21rtkit-daemon17:00:282
1561995211,23cyclictest26153-21fschecks_count19:20:233
155999524,41cyclictest0-21swapper/121:15:241
155999523,44cyclictest0-21swapper/120:45:021
155699524,13cyclictest0-21swapper/018:59:070
1556995221,13cyclictest0-21swapper/020:55:210
145142523,10sleep00-21swapper/018:07:090
38382513,41sleep00-21swapper/016:37:250
248599510,5rtkit-daemon2484-21rtkit-daemon19:00:233
248599510,5rtkit-daemon2484-21rtkit-daemon19:00:233
156199514,27cyclictest0-21swapper/317:05:233
155999513,43cyclictest0-21swapper/120:32:451
155999513,43cyclictest0-21swapper/117:21:281
155999513,12cyclictest0-21swapper/119:56:411
155999513,11cyclictest0-21swapper/120:15:311
155999513,10cyclictest0-21swapper/121:05:291
155699514,28cyclictest0-21swapper/018:25:230
155699514,11cyclictest0-21swapper/017:20:250
155699513,43cyclictest0-21swapper/018:30:380
155699513,10cyclictest0-21swapper/021:30:310
91472503,40sleep30-21swapper/317:55:393
156199505,27cyclictest0-21swapper/320:20:313
156199505,27cyclictest0-21swapper/320:20:313
156199505,13cyclictest0-21swapper/321:13:263
156199504,29cyclictest0-21swapper/321:50:273
1561995021,12cyclictest0-21swapper/320:45:323
155999503,9cyclictest0-21swapper/118:25:191
155999503,13cyclictest13906-21taskset20:37:231
1559995021,10cyclictest7754-21cat17:55:101
155999502,43cyclictest26708-21diskmemload19:47:291
155999502,43cyclictest26708-21diskmemload19:47:291
155699505,26cyclictest0-21swapper/017:25:210
155699503,8cyclictest13014-21timerandwakeup16:55:430
155699503,8cyclictest13014-21timerandwakeup16:55:430
155699502,11cyclictest0-21swapper/016:52:520
9182493,10sleep00-21swapper/017:40:250
275662492,41sleep10-21swapper/117:25:471
156199495,27cyclictest0-21swapper/318:15:273
156199494,28cyclictest0-21swapper/318:05:083
156199494,28cyclictest0-21swapper/317:15:283
156199494,28cyclictest0-21swapper/316:55:333
156199494,28cyclictest0-21swapper/316:55:333
156199494,27cyclictest0-21swapper/317:50:233
156199494,27cyclictest0-21swapper/316:45:403
156199494,27cyclictest0-21swapper/316:35:123
156199494,13cyclictest0-21swapper/319:10:183
1561994932,10cyclictest15295-21cpuspeed_turbos18:10:223
1561994921,10cyclictest26610-21grep17:25:293
155999493,9cyclictest0-21swapper/118:21:341
155999493,9cyclictest0-21swapper/118:21:341
155999493,42cyclictest0-21swapper/116:40:061
155999493,39cyclictest18079-21ssh19:08:351
155999493,10cyclictest17969-21forks18:15:261
155699494,28cyclictest0-21swapper/018:20:340
155699494,28cyclictest0-21swapper/018:20:340
1556994935,9cyclictest9536-21unixbench_multi17:55:430
155699493,12cyclictest0-21swapper/018:00:210
155699493,12cyclictest0-21swapper/017:05:270
106392493,39sleep110643-21df_abs18:00:251
171102483,40sleep10-21swapper/118:14:481
156199484,27cyclictest0-21swapper/318:25:283
156199484,27cyclictest0-21swapper/317:25:103
156199484,27cyclictest0-21swapper/317:10:303
155699483,38cyclictest0-21swapper/017:35:210
155699483,38cyclictest0-21swapper/017:35:210
155699482,11cyclictest0-21swapper/017:01:270
327052462,9sleep10-21swapper/117:40:061
327052462,9sleep10-21swapper/117:40:061
156199464,25cyclictest0-21swapper/318:05:553
1561994618,12cyclictest0-21swapper/317:45:273
155999463,36cyclictest1961-21rt-features17:40:381
155999463,10cyclictest0-21swapper/117:01:011
1559994623,18cyclictest0-21swapper/117:06:211
155999453,9cyclictest0-21swapper/118:05:251
155999452,10cyclictest0-21swapper/117:56:301
108792452,9sleep10-21swapper/116:50:521
155999443,36cyclictest0-21swapper/117:15:441
155999442,9cyclictest26703-21crond18:35:071
1559994325,14cyclictest0-21swapper/116:46:311
1556994023,12cyclictest0-21swapper/016:35:120
1560993922,12cyclictest0-21swapper/216:35:122
155999383,31cyclictest1548-21cyclictest16:35:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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