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2026-08-27 - 12:56

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 Thu Aug 27, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991080,22rtkit-daemon201ktimersoftd/121:26:401
243779910342,22cyclictest12867-21aten_r1power_po22:05:272
243779910342,22cyclictest12867-21aten_r1power_po22:05:272
2194991000,6rtkit-daemon0-21swapper/322:37:223
2437099994,88cyclictest0-21swapper/021:31:330
219499990,5rtkit-daemon0-21swapper/318:19:103
219499980,6rtkit-daemon0-21swapper/320:46:421
219499980,6rtkit-daemon0-21swapper/320:38:273
219499980,6rtkit-daemon0-21swapper/318:12:333
219499980,6rtkit-daemon0-21swapper/317:56:113
219499980,6rtkit-daemon0-21swapper/317:45:563
219499980,5rtkit-daemon0-21swapper/320:40:273
219499980,5rtkit-daemon0-21swapper/320:40:273
219499980,5rtkit-daemon0-21swapper/318:33:321
2437099976,74cyclictest0-21swapper/020:05:000
2437099976,74cyclictest0-21swapper/020:05:000
219499970,7rtkit-daemon0-21swapper/317:51:263
219499970,7rtkit-daemon0-21swapper/317:51:263
219499970,6rtkit-daemon0-21swapper/318:31:173
219499970,6rtkit-daemon0-21swapper/318:23:173
219499970,6rtkit-daemon0-21swapper/318:03:483
219499970,5rtkit-daemon0-21swapper/320:31:273
219499970,5rtkit-daemon0-21swapper/318:29:543
219499970,5rtkit-daemon0-21swapper/318:07:033
2437099964,13cyclictest0-21swapper/020:20:490
219499960,6rtkit-daemon0-21swapper/320:45:273
2437099954,13cyclictest0-21swapper/020:44:480
2437099954,13cyclictest0-21swapper/020:44:480
2437099954,13cyclictest0-21swapper/018:05:430
219499950,5rtkit-daemon0-21swapper/322:34:003
219499950,5rtkit-daemon0-21swapper/321:26:103
2437099947,65cyclictest0-21swapper/022:32:420
2437099944,73cyclictest0-21swapper/022:25:430
219499940,6rtkit-daemon0-21swapper/322:41:073
219499940,6rtkit-daemon0-21swapper/322:41:073
2437099937,12cyclictest0-21swapper/022:39:480
2437099934,68cyclictest0-21swapper/022:09:500
2437099934,68cyclictest0-21swapper/022:09:500
2437099924,70cyclictest0-21swapper/022:00:440
2437099924,66cyclictest0-21swapper/020:36:270
24370999214,9cyclictest20581-21ssh23:05:270
219499920,5rtkit-daemon0-21swapper/320:03:433
219499920,5rtkit-daemon0-21swapper/320:03:433
2437099914,71cyclictest0-21swapper/021:30:160
2437099914,70cyclictest0-21swapper/023:14:380
2437099914,14cyclictest0-21swapper/022:46:010
2437099914,13cyclictest0-21swapper/022:10:310
24370999115,55cyclictest0-21swapper/021:06:020
2437099906,69cyclictest0-21swapper/019:45:480
2437099904,70cyclictest0-21swapper/022:40:260
2437099904,70cyclictest0-21swapper/022:40:260
2437099904,67cyclictest0-21swapper/019:05:560
24370999019,49cyclictest0-21swapper/022:17:100
2437099894,66cyclictest0-21swapper/022:55:290
2437099894,66cyclictest0-21swapper/020:45:320
2437099894,64cyclictest0-21swapper/021:17:180
2437099894,62cyclictest0-21swapper/021:35:480
2437099893,66cyclictest0-21swapper/017:45:560
24370998918,48cyclictest0-21swapper/021:10:240
2437099888,58cyclictest0-21swapper/019:50:260
2437099884,68cyclictest0-21swapper/019:01:250
2437099884,65cyclictest0-21swapper/019:10:380
2437099884,61cyclictest0-21swapper/023:04:370
2437099884,59cyclictest0-21swapper/022:53:320
2437099883,21cyclictest0-21swapper/021:48:100
24370998818,55cyclictest0-21swapper/020:10:560
24370998813,10cyclictest0-21swapper/021:58:100
2437099879,12cyclictest0-21swapper/020:25:520
2437099874,66cyclictest0-21swapper/021:44:520
2437099874,66cyclictest0-21swapper/018:35:300
2437099874,66cyclictest0-21swapper/018:35:300
2437099874,62cyclictest0-21swapper/021:51:160
24370998719,48cyclictest0-21swapper/019:58:080
24370998719,48cyclictest0-21swapper/019:58:080
24370998718,48cyclictest0-21swapper/020:31:190
2437099864,64cyclictest0-21swapper/020:58:060
2437099864,60cyclictest0-21swapper/020:52:430
2437099863,62cyclictest0-21swapper/021:23:230
2437099863,62cyclictest0-21swapper/021:23:230
2437099863,21cyclictest0-21swapper/020:05:480
2437099863,19cyclictest0-21swapper/021:01:340
2437099854,65cyclictest0-21swapper/018:10:470
2437099853,61cyclictest0-21swapper/018:40:590
24370998516,10cyclictest0-21swapper/022:21:200
2437099835,59cyclictest0-21swapper/019:35:360
2437099834,70cyclictest5989-21grep19:20:360
2437099833,21cyclictest0-21swapper/020:15:280
24370998216,46cyclictest0-21swapper/018:20:350
2437099813,71cyclictest0-21swapper/017:50:550
2437099813,71cyclictest0-21swapper/017:50:550
24370998118,8cyclictest6628-21munin-node18:15:540
2437099804,69cyclictest0-21swapper/018:30:520
2437099803,69cyclictest0-21swapper/018:50:470
24370998021,52cyclictest1227-21runrttasks18:02:470
24370998021,51cyclictest12239-21gltestperf18:25:420
2437099794,60cyclictest0-21swapper/018:45:330
2437099794,12cyclictest24371-21awk17:45:240
2437099784,13cyclictest0-21swapper/018:55:400
24370997822,49cyclictest10491-21grep19:30:350
2437099774,15cyclictest0-21swapper/019:40:450
219499770,6rtkit-daemon0-21swapper/318:24:472
2437099754,16cyclictest0-21swapper/019:25:320
2437099753,65cyclictest0-21swapper/019:15:310
2437099753,65cyclictest0-21swapper/019:15:310
24370997220,46cyclictest1227-21runrttasks17:55:290
219499710,2rtkit-daemon0-21swapper/118:36:021
219499710,2rtkit-daemon0-21swapper/118:36:021
235002665,11sleep10-21swapper/119:54:411
24377996433,24cyclictest0-21swapper/218:45:542
219499640,6rtkit-daemon0-21swapper/320:50:193
219499640,5rtkit-daemon2193-21rtkit-daemon21:15:251
219499640,2rtkit-daemon0-21swapper/123:08:131
2437799633,51cyclictest0-21swapper/223:00:402
2437599634,51cyclictest0-21swapper/120:50:401
2437799624,38cyclictest0-21swapper/217:55:542
2437799622,54cyclictest0-21swapper/220:50:322
2437599625,49cyclictest0-21swapper/123:00:271
2437599624,49cyclictest0-21swapper/121:05:161
2437599624,48cyclictest25511-21basename18:55:201
2437599624,48cyclictest0-21swapper/120:17:491
219499620,9rtkit-daemon0-21swapper/121:45:241
219499620,9rtkit-daemon0-21swapper/120:57:111
219499620,3rtkit-daemon0-21swapper/122:51:221
24377996141,13cyclictest0-21swapper/222:10:292
24377996133,12cyclictest0-21swapper/221:44:512
2437599615,48cyclictest0-21swapper/121:41:111
2437599614,48cyclictest0-21swapper/122:20:261
2437599613,50cyclictest0-21swapper/122:30:371
219499610,9rtkit-daemon0-21swapper/122:30:071
219499610,9rtkit-daemon0-21swapper/121:25:031
219499610,9rtkit-daemon0-21swapper/121:25:031
219499610,8rtkit-daemon0-21swapper/119:30:591
219499610,7rtkit-daemon0-21swapper/119:10:451
219499610,4rtkit-daemon0-21swapper/121:10:561
219499610,3rtkit-daemon0-21swapper/122:10:081
219499610,3rtkit-daemon0-21swapper/122:10:081
219499610,3rtkit-daemon0-21swapper/121:36:251
219499610,3rtkit-daemon0-21swapper/120:25:571
219499610,2rtkit-daemon0-21swapper/122:12:161
219499610,2rtkit-daemon0-21swapper/121:58:241
219499610,2rtkit-daemon0-21swapper/121:30:251
2437899605,30cyclictest0-21swapper/319:30:203
24378996022,12cyclictest11522-21ssh22:50:423
24378996016,24cyclictest0-21swapper/322:14:493
2437799603,50cyclictest0-21swapper/222:55:262
2437599604,49cyclictest0-21swapper/122:40:431
2437599604,49cyclictest0-21swapper/122:40:431
24375996038,13cyclictest15311-21tr19:40:341
219499600,8rtkit-daemon0-21swapper/119:46:511
219499600,5rtkit-daemon0-21swapper/120:00:211
219499600,5rtkit-daemon0-21swapper/120:00:211
219499600,4rtkit-daemon0-21swapper/122:48:291
219499600,4rtkit-daemon0-21swapper/121:08:261
219499600,3rtkit-daemon0-21swapper/123:13:131
219499600,3rtkit-daemon0-21swapper/122:16:151
219499600,3rtkit-daemon0-21swapper/119:57:361
219499600,3rtkit-daemon0-21swapper/119:57:361
219499600,3rtkit-daemon0-21swapper/118:46:091
2437899599,31cyclictest34-21rcuc/321:15:153
2437899595,28cyclictest1227-21runrttasks20:25:393
2437899594,46cyclictest0-21swapper/321:06:413
2437799597,34cyclictest0-21swapper/220:35:422
24377995939,13cyclictest0-21swapper/220:15:312
24377995939,13cyclictest0-21swapper/219:10:532
2437799593,49cyclictest0-21swapper/220:31:482
2437799592,52cyclictest0-21swapper/219:45:202
2437599594,48cyclictest0-21swapper/120:10:281
2437599594,48cyclictest0-21swapper/118:05:241
2437599594,45cyclictest0-21swapper/121:50:451
219499590,3rtkit-daemon0-21swapper/120:08:131
219499590,2rtkit-daemon0-21swapper/122:55:211
219499590,2rtkit-daemon0-21swapper/120:20:201
2437899584,33cyclictest0-21swapper/322:45:313
2437799584,48cyclictest0-21swapper/222:35:292
24377995839,11cyclictest1227-21runrttasks22:45:332
24377995830,13cyclictest0-21swapper/221:53:432
24377995827,13cyclictest0-21swapper/219:55:532
24377995827,13cyclictest0-21swapper/219:55:532
227112583,10sleep20-21swapper/223:09:262
2437899575,28cyclictest9829-21cpuspeed_turbos22:00:283
2437899574,31cyclictest0-21swapper/320:24:153
24378995739,10cyclictest19456-21gltestperf18:40:433
24378995719,31cyclictest20274-21idleruntime22:15:333
24377995737,13cyclictest0-21swapper/222:03:462
24377995737,13cyclictest0-21swapper/221:27:262
2437799572,50cyclictest0-21swapper/222:54:512
2437799572,49cyclictest0-21swapper/220:57:522
24377995713,26cyclictest0-21swapper/220:12:272
2437599574,46cyclictest0-21swapper/120:37:151
227692573,12sleep20-21swapper/219:51:512
219499570,2rtkit-daemon0-21swapper/120:30:201
2437799564,46cyclictest0-21swapper/220:25:492
24377995627,13cyclictest0-21swapper/223:12:402
2437799562,49cyclictest0-21swapper/222:21:352
2437799562,48cyclictest0-21swapper/221:46:232
230012564,41sleep323123-21idleruntime17:40:413
2437899554,44cyclictest0-21swapper/321:30:323
24378995536,11cyclictest7067-21tail21:55:343
2437799554,43cyclictest0-21swapper/221:55:382
24377995537,12cyclictest0-21swapper/221:38:182
24377995535,12cyclictest0-21swapper/221:20:342
24377995535,12cyclictest0-21swapper/221:20:342
2437799553,46cyclictest0-21swapper/220:05:272
24377995525,13cyclictest0-21swapper/222:40:402
24377995525,13cyclictest0-21swapper/222:40:402
24377995525,13cyclictest0-21swapper/221:15:242
2437799552,48cyclictest0-21swapper/222:34:202
2437799552,47cyclictest0-21swapper/220:23:562
2437599553,10cyclictest11435-21sshd22:01:131
2437899544,43cyclictest0-21swapper/319:55:403
2437899544,43cyclictest0-21swapper/319:55:403
2437899544,42cyclictest1326-21crond20:10:183
24378995435,12cyclictest26745-21gltestperf22:25:333
24378995435,11cyclictest29465-21gltestperf21:40:343
24378995435,11cyclictest21858-21needreboot19:50:443
24378995435,11cyclictest15641-21cut19:40:393
2437799544,12cyclictest0-21swapper/221:06:052
24377995411,37cyclictest0-21swapper/221:30:532
2437599544,41cyclictest0-21swapper/118:25:431
2284725410,33sleep20-21swapper/217:40:402
2437899533,35cyclictest0-21swapper/320:59:233
2437799535,40cyclictest0-21swapper/220:40:392
2437799535,40cyclictest0-21swapper/220:40:392
2437799533,43cyclictest0-21swapper/222:27:212
24377995324,22cyclictest0-21swapper/221:10:482
2437799532,45cyclictest0-21swapper/218:28:442
2437599535,42cyclictest0-21swapper/120:40:581
2437599535,42cyclictest0-21swapper/120:40:581
2437599534,29cyclictest0-21swapper/118:55:401
2437599534,27cyclictest11174-21munin-run18:25:221
265262523,11sleep10-21swapper/117:47:391
2437899525,39cyclictest0-21swapper/320:16:433
2437899524,33cyclictest0-21swapper/321:17:103
24378995233,13cyclictest0-21swapper/322:56:413
2437799525,40cyclictest0-21swapper/220:00:522
2437799525,40cyclictest0-21swapper/220:00:522
2437799523,29cyclictest0-21swapper/221:00:522
2437599523,10cyclictest0-21swapper/118:10:371
2437899514,32cyclictest0-21swapper/321:52:533
2437899514,31cyclictest0-21swapper/321:48:243
2437899514,30cyclictest0-21swapper/323:00:253
2437899514,26cyclictest0-21swapper/320:12:103
24378995134,11cyclictest26666-21proc_pri21:35:433
24378995131,12cyclictest17510-21aten_r1power_vo19:45:303
2437799514,41cyclictest0-21swapper/222:15:412
2437799514,29cyclictest0-21swapper/219:35:362
2437799513,35cyclictest0-21swapper/219:26:032
24377995126,19cyclictest0-21swapper/218:05:512
2437799512,45cyclictest0-21swapper/220:46:482
2437799512,43cyclictest0-21swapper/218:50:322
2437599515,30cyclictest0-21swapper/118:40:421
2437599513,28cyclictest0-21swapper/119:35:371
24375995122,14cyclictest0-21swapper/122:39:001
326552503,41sleep232656-21sshd19:10:192
2437899504,30cyclictest0-21swapper/322:05:333
2437899504,30cyclictest0-21swapper/322:05:333
2437899504,25cyclictest21047-21munin-node23:05:333
24378995018,8cyclictest361ktimersoftd/321:22:273
24378995018,8cyclictest361ktimersoftd/321:22:273
2437799503,39cyclictest0-21swapper/217:45:362
2437799503,29cyclictest0-21swapper/219:30:432
2437799502,42cyclictest0-21swapper/218:30:352
2437599504,26cyclictest0-21swapper/118:00:241
24375995034,10cyclictest29325-21needreboot19:00:461
24375995032,11cyclictest3598-21unixbench_singl18:05:581
24375995031,13cyclictest31310-21gltestperf19:05:401
2437899496,26cyclictest0-21swapper/319:35:533
2437899494,39cyclictest0-21swapper/322:20:363
2437899494,28cyclictest0-21swapper/321:00:413
2437899494,26cyclictest0-21swapper/323:15:123
2437899494,26cyclictest0-21swapper/319:12:013
2437899492,41cyclictest0-21swapper/319:09:343
24377994921,11cyclictest0-21swapper/217:50:452
24377994921,11cyclictest0-21swapper/217:50:452
2437599494,26cyclictest0-21swapper/117:50:531
2437599494,26cyclictest0-21swapper/117:50:531
24375994921,13cyclictest0-21swapper/119:25:431
24375994917,12cyclictest0-21swapper/119:20:421
2437899485,36cyclictest0-21swapper/319:00:203
2437799484,37cyclictest0-21swapper/218:10:562
2437799484,37cyclictest0-21swapper/218:00:362
2437799484,29cyclictest0-21swapper/218:35:382
2437799484,29cyclictest0-21swapper/218:35:382
24377994834,10cyclictest0-21swapper/219:43:392
2437799483,40cyclictest0-21swapper/218:15:502
2437799483,27cyclictest0-21swapper/218:40:392
2437599485,28cyclictest0-21swapper/118:15:341
2437599484,28cyclictest0-21swapper/119:15:521
2437599484,28cyclictest0-21swapper/119:15:521
2437799473,27cyclictest0-21swapper/219:15:272
2437799473,27cyclictest0-21swapper/219:15:272
2437799472,41cyclictest0-21swapper/218:55:352
2437799463,38cyclictest0-21swapper/219:00:542
2437799463,35cyclictest0-21swapper/219:20:322
2437899455,13cyclictest0-21swapper/318:36:553
2437899455,13cyclictest0-21swapper/318:36:553
2437899454,34cyclictest0-21swapper/319:30:383
24378994520,18cyclictest21024-21aten2.4-expect18:45:333
302712442,36sleep30-21swapper/319:05:203
2437899444,32cyclictest0-21swapper/319:20:313
2437899444,32cyclictest0-21swapper/319:15:333
2437899444,32cyclictest0-21swapper/319:15:333
2437899444,13cyclictest0-21swapper/318:50:353
2437599313,11cyclictest0-21swapper/117:45:241
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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