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2026-07-29 - 14:06

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 Wed Jul 29, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
117169910918,65cyclictest12303-21cpuspeed_turbos06:12:251
11716999517,14cyclictest0-21swapper/107:06:201
1171699934,28cyclictest0-21swapper/108:55:241
1171699934,28cyclictest0-21swapper/108:37:211
1171699934,24cyclictest1227-21runrttasks10:14:131
1171699934,24cyclictest0-21swapper/109:46:371
1171699934,24cyclictest0-21swapper/108:48:451
1171699925,26cyclictest0-21swapper/109:41:451
1171699925,23cyclictest0-21swapper/110:06:101
1171699924,25cyclictest0-21swapper/110:42:471
1171699924,13cyclictest0-21swapper/110:27:321
11716999213,69cyclictest0-21swapper/111:03:001
1171699918,25cyclictest0-21swapper/109:23:241
1171699918,25cyclictest0-21swapper/109:23:241
1171699914,28cyclictest0-21swapper/107:37:351
1171699914,27cyclictest0-21swapper/107:42:411
1171699914,26cyclictest0-21swapper/111:21:301
1171699913,29cyclictest0-21swapper/110:53:111
1171699906,23cyclictest0-21swapper/109:52:481
1171699905,25cyclictest0-21swapper/110:50:051
1171699905,23cyclictest10990-21awk08:22:061
1171699904,24cyclictest0-21swapper/110:32:221
1171699904,12cyclictest0-21swapper/108:33:451
11716999017,12cyclictest0-21swapper/111:37:421
1171699895,27cyclictest0-21swapper/110:22:241
1171699894,28cyclictest0-21swapper/110:57:341
1171699894,26cyclictest0-21swapper/110:39:511
1171699894,23cyclictest0-21swapper/110:00:181
1171699885,23cyclictest0-21swapper/111:25:051
11716998820,10cyclictest0-21swapper/111:16:301
11716998817,13cyclictest0-21swapper/109:16:301
1171699875,23cyclictest0-21swapper/106:27:241
1171699875,23cyclictest0-21swapper/106:27:241
1171699874,25cyclictest0-21swapper/109:17:551
1171699874,23cyclictest0-21swapper/110:20:461
1171699874,22cyclictest0-21swapper/108:07:201
1171699864,27cyclictest0-21swapper/108:42:181
1171699864,27cyclictest0-21swapper/108:42:181
1171699864,26cyclictest0-21swapper/109:27:531
11716998626,53cyclictest890-21rsyslogd07:12:201
11716998612,8cyclictest107550irq/46-eth008:26:131
1171699856,21cyclictest0-21swapper/108:27:581
1171699855,25cyclictest0-21swapper/108:16:341
1171699855,23cyclictest0-21swapper/111:31:191
1171699855,23cyclictest0-21swapper/111:31:191
1171699854,29cyclictest0-21swapper/109:47:331
1171699854,25cyclictest0-21swapper/110:07:131
1171699854,25cyclictest0-21swapper/110:07:131
1171699854,24cyclictest0-21swapper/109:01:111
1171699854,23cyclictest0-21swapper/111:09:251
1171699854,23cyclictest0-21swapper/109:11:241
219499840,5rtkit-daemon2193-21rtkit-daemon08:53:202
122192830,4sleep00-21swapper/006:12:250
1171699834,23cyclictest0-21swapper/109:35:121
1171699834,22cyclictest6046-21diskstats09:02:221
11716998322,10cyclictest15007-21fschecks_time06:17:301
1171699824,69cyclictest0-21swapper/108:02:371
1171699824,26cyclictest0-21swapper/111:33:191
1171699823,12cyclictest0-21swapper/106:37:461
11716998111,11cyclictest0-21swapper/106:46:501
1171699809,22cyclictest0-21swapper/107:52:321
1171699806,35cyclictest0-21swapper/108:02:081
1171699794,28cyclictest0-21swapper/107:07:431
1171699794,28cyclictest0-21swapper/107:07:431
1171699794,27cyclictest0-21swapper/106:47:431
1171699794,22cyclictest0-21swapper/106:32:241
1171699793,22cyclictest17634-21idleruntime-cro07:32:071
11716997813,11cyclictest0-21swapper/107:17:211
1171699774,18cyclictest3268-21crond07:02:091
1171699773,30cyclictest0-21swapper/106:22:471
1171699773,12cyclictest0-21swapper/107:57:421
1171699765,17cyclictest31910-21hddtemp_smartct06:52:301
1171699754,22cyclictest0-21swapper/107:22:311
1171699752,27cyclictest26106-21sort07:47:311
1171699734,21cyclictest0-21swapper/107:32:251
219499720,3rtkit-daemon0-21swapper/009:48:550
1171699715,15cyclictest0-21swapper/106:12:121
219499700,7rtkit-daemon0-21swapper/007:03:540
64862683,58sleep00-21swapper/009:02:280
219499660,5rtkit-daemon2193-21rtkit-daemon09:56:100
219499660,5rtkit-daemon2193-21rtkit-daemon08:38:350
219499660,4rtkit-daemon2193-21rtkit-daemon11:32:140
219499660,4rtkit-daemon2193-21rtkit-daemon11:02:450
219499650,6rtkit-daemon0-21swapper/308:54:573
219499650,5rtkit-daemon2193-21rtkit-daemon11:10:070
219499650,5rtkit-daemon2193-21rtkit-daemon11:01:150
219499650,5rtkit-daemon2193-21rtkit-daemon09:58:320
219499650,5rtkit-daemon2193-21rtkit-daemon07:35:080
219499650,5rtkit-daemon2193-21rtkit-daemon06:50:250
219499650,4rtkit-daemon2193-21rtkit-daemon10:22:460
219499650,4rtkit-daemon2193-21rtkit-daemon06:42:330
219499640,8rtkit-daemon0-21swapper/006:35:180
219499640,5rtkit-daemon2193-21rtkit-daemon11:27:060
219499640,5rtkit-daemon2193-21rtkit-daemon11:27:060
219499640,5rtkit-daemon2193-21rtkit-daemon11:22:590
219499640,5rtkit-daemon2193-21rtkit-daemon09:35:410
219499640,5rtkit-daemon2193-21rtkit-daemon08:45:280
219499640,5rtkit-daemon2193-21rtkit-daemon08:45:280
219499640,5rtkit-daemon2193-21rtkit-daemon06:30:330
219499640,5rtkit-daemon2193-21rtkit-daemon06:30:330
219499640,4rtkit-daemon2193-21rtkit-daemon11:37:580
219499640,4rtkit-daemon2193-21rtkit-daemon10:53:450
219499640,4rtkit-daemon2193-21rtkit-daemon10:48:530
219499640,4rtkit-daemon2193-21rtkit-daemon10:39:460
219499640,4rtkit-daemon2193-21rtkit-daemon09:19:260
219499640,4rtkit-daemon2193-21rtkit-daemon09:10:190
219499640,4rtkit-daemon2193-21rtkit-daemon08:23:440
219499640,4rtkit-daemon2193-21rtkit-daemon08:15:140
219499640,4rtkit-daemon2193-21rtkit-daemon08:08:520
219499640,4rtkit-daemon2193-21rtkit-daemon07:58:220
219499640,4rtkit-daemon2193-21rtkit-daemon07:58:220
219499640,4rtkit-daemon2193-21rtkit-daemon07:39:300
219499640,4rtkit-daemon2193-21rtkit-daemon07:25:530
219499640,4rtkit-daemon2193-21rtkit-daemon07:21:240
219499640,4rtkit-daemon2193-21rtkit-daemon07:15:540
219499640,4rtkit-daemon2193-21rtkit-daemon06:39:180
219499640,4rtkit-daemon2193-21rtkit-daemon06:22:180
11715996416,24cyclictest6609-21munin-node10:42:220
219499630,9rtkit-daemon0-21swapper/011:18:440
219499630,8rtkit-daemon0-21swapper/009:14:490
219499630,5rtkit-daemon2193-21rtkit-daemon06:58:470
219499630,4rtkit-daemon2193-21rtkit-daemon11:12:590
219499630,4rtkit-daemon2193-21rtkit-daemon10:30:090
219499630,4rtkit-daemon2193-21rtkit-daemon09:38:480
219499630,4rtkit-daemon2193-21rtkit-daemon09:28:040
219499630,3rtkit-daemon0-21swapper/010:14:470
219499630,3rtkit-daemon0-21swapper/008:59:200
219499630,10rtkit-daemon0-21swapper/010:32:160
219499630,10rtkit-daemon0-21swapper/008:52:350
11718996344,13cyclictest0-21swapper/310:07:343
11718996344,13cyclictest0-21swapper/310:07:343
219499620,9rtkit-daemon0-21swapper/008:05:140
219499620,9rtkit-daemon0-21swapper/007:42:230
219499620,8rtkit-daemon0-21swapper/008:18:510
219499620,8rtkit-daemon0-21swapper/007:57:070
219499620,8rtkit-daemon0-21swapper/007:07:240
219499620,8rtkit-daemon0-21swapper/007:07:240
219499620,8rtkit-daemon0-21swapper/006:52:320
219499620,3rtkit-daemon0-21swapper/007:47:220
219499620,10rtkit-daemon0-21swapper/008:32:060
219499610,9rtkit-daemon0-21swapper/010:06:320
219499610,8rtkit-daemon0-21swapper/007:27:230
219499610,5rtkit-daemon14322-21munin-node06:17:410
219499610,3rtkit-daemon0-21swapper/010:19:020
219499610,3rtkit-daemon0-21swapper/010:07:390
219499610,3rtkit-daemon0-21swapper/010:07:390
219499610,3rtkit-daemon0-21swapper/009:43:330
219499610,3rtkit-daemon0-21swapper/009:22:110
219499610,3rtkit-daemon0-21swapper/009:22:110
11718996144,12cyclictest0-21swapper/309:57:153
1171599613,42cyclictest0-21swapper/008:48:190
219499600,9rtkit-daemon0-21swapper/008:32:430
11718996042,13cyclictest0-21swapper/311:37:283
11718995943,10cyclictest28041-21grep07:52:263
1171899594,14cyclictest0-21swapper/310:17:283
1171899592,51cyclictest0-21swapper/310:12:333
11718995840,12cyclictest0-21swapper/310:22:393
1171899583,49cyclictest0-21swapper/311:36:293
1171899583,49cyclictest0-21swapper/311:07:353
1171899583,49cyclictest0-21swapper/308:42:313
1171899583,49cyclictest0-21swapper/308:42:313
1171899582,51cyclictest0-21swapper/311:23:353
1171899582,51cyclictest0-21swapper/310:43:583
1171899582,51cyclictest0-21swapper/307:07:213
1171899582,51cyclictest0-21swapper/307:07:213
1171899582,50cyclictest0-21swapper/311:17:293
11717995835,8cyclictest28721-21ssh10:26:532
1171799583,47cyclictest0-21swapper/209:18:072
1171899575,27cyclictest0-21swapper/309:52:263
1171899572,50cyclictest0-21swapper/308:50:523
1171799573,46cyclictest0-21swapper/210:41:402
24432562,10sleep20-21swapper/209:47:012
240122562,10sleep30-21swapper/308:40:553
1171899565,44cyclictest0-21swapper/308:17:173
1171899564,46cyclictest0-21swapper/306:12:233
11718995620,12cyclictest0-21swapper/310:47:313
1171899562,49cyclictest0-21swapper/310:54:323
1171899562,49cyclictest0-21swapper/310:02:043
1171899562,49cyclictest0-21swapper/309:02:273
1171899562,49cyclictest0-21swapper/308:28:373
1171899562,48cyclictest0-21swapper/310:57:123
1171899562,47cyclictest0-21swapper/309:07:453
11717995640,11cyclictest0-21swapper/211:22:492
1171799564,44cyclictest0-21swapper/208:57:192
1171799564,43cyclictest0-21swapper/208:47:362
11717995633,15cyclictest0-21swapper/209:22:322
11717995633,15cyclictest0-21swapper/209:22:322
1171799563,46cyclictest0-21swapper/211:01:442
1171799563,46cyclictest0-21swapper/206:22:362
1171899554,28cyclictest0-21swapper/309:32:273
1171899553,47cyclictest0-21swapper/309:49:493
1171899553,46cyclictest669-21processes09:42:313
1171899553,46cyclictest36382sleep307:02:223
1171899553,45cyclictest0-21swapper/307:37:403
11718995522,13cyclictest0-21swapper/310:34:333
1171899552,48cyclictest0-21swapper/310:29:173
1171899552,48cyclictest0-21swapper/309:39:383
1171899552,48cyclictest0-21swapper/309:16:273
1171899552,48cyclictest0-21swapper/308:33:243
1171899552,48cyclictest0-21swapper/308:12:093
1171899552,47cyclictest0-21swapper/309:31:443
1171899552,47cyclictest0-21swapper/309:22:293
1171899552,47cyclictest0-21swapper/309:22:293
11717995540,9cyclictest15256-21cut08:27:242
11717995538,10cyclictest1227-21runrttasks10:05:442
1171799553,46cyclictest0-21swapper/209:04:322
1171799553,23cyclictest0-21swapper/208:37:542
83472542,9sleep20-21swapper/209:54:192
1171899544,25cyclictest0-21swapper/306:57:223
11718995420,9cyclictest16488-21missed_timers09:17:293
1171899542,47cyclictest0-21swapper/311:12:563
1171899542,47cyclictest0-21swapper/310:39:433
1171899542,47cyclictest0-21swapper/308:07:173
1171899542,46cyclictest0-21swapper/311:27:363
1171899542,46cyclictest0-21swapper/311:27:363
1171899542,46cyclictest0-21swapper/308:24:143
1171799544,44cyclictest0-21swapper/210:34:222
11717995438,11cyclictest0-21swapper/210:53:002
11717995435,13cyclictest0-21swapper/209:32:362
1171799543,43cyclictest0-21swapper/211:32:332
1171799543,33cyclictest0-21swapper/211:07:332
11717995426,13cyclictest0-21swapper/208:42:182
11717995426,13cyclictest0-21swapper/208:42:182
1171899533,43cyclictest0-21swapper/307:47:203
1171799535,42cyclictest0-21swapper/211:12:392
1171799534,42cyclictest0-21swapper/209:47:202
11717995338,11cyclictest0-21swapper/208:33:082
1171799533,44cyclictest0-21swapper/209:41:382
1171799533,22cyclictest0-21swapper/211:05:522
11717995323,15cyclictest0-21swapper/208:22:212
200252523,10sleep20-21swapper/207:37:082
151872522,9sleep30-21swapper/307:26:333
11718995221,13cyclictest0-21swapper/306:51:183
1171899522,45cyclictest0-21swapper/311:02:303
1171899522,45cyclictest0-21swapper/307:42:293
1171899522,44cyclictest0-21swapper/307:12:363
11717995233,7cyclictest10012-21ssh08:18:362
1171799523,41cyclictest0-21swapper/208:02:182
67162513,12sleep20-21swapper/207:07:302
67162513,12sleep20-21swapper/207:07:302
304822512,9sleep20-21swapper/206:48:232
1171899513,42cyclictest0-21swapper/306:22:363
1171899512,44cyclictest0-21swapper/308:58:323
1171899512,44cyclictest0-21swapper/307:27:283
1171899512,44cyclictest0-21swapper/306:54:503
1171899512,44cyclictest0-21swapper/306:37:223
11717995138,7cyclictest7702-21cut10:42:252
11717995137,10cyclictest0-21swapper/211:18:292
11717995133,11cyclictest15836-21cpuspeed_turbos07:27:232
11717995130,9cyclictest10556-21telnet11:37:102
1171799513,41cyclictest13774-21unixbench-2d09:12:382
11717995129,10cyclictest0-21swapper/210:07:362
11717995129,10cyclictest0-21swapper/210:07:362
11717995127,12cyclictest0-21swapper/207:12:402
139522502,10sleep20-21swapper/206:15:302
1171899505,40cyclictest0-21swapper/306:32:253
1171899505,36cyclictest0-21swapper/306:27:233
1171899505,36cyclictest0-21swapper/306:27:233
1171899505,35cyclictest0-21swapper/306:42:233
1171899502,43cyclictest0-21swapper/307:32:213
1171899502,42cyclictest0-21swapper/307:17:323
1171799504,39cyclictest0-21swapper/206:37:222
11717995032,12cyclictest0-21swapper/210:12:292
11717995031,12cyclictest0-21swapper/211:27:222
11717995031,12cyclictest0-21swapper/211:27:222
11717995030,13cyclictest0-21swapper/210:30:072
1171799503,39cyclictest0-21swapper/207:42:332
11717995029,7cyclictest10777-21ssh09:08:162
1171899492,43cyclictest0-21swapper/306:12:113
1171899492,42cyclictest0-21swapper/307:57:273
1171899492,42cyclictest0-21swapper/307:57:273
11717994936,8cyclictest23451-21sed09:27:352
11717994934,10cyclictest0-21swapper/210:47:292
11717994932,12cyclictest0-21swapper/209:57:232
11717994931,11cyclictest31502-21unixbench_multi07:57:392
11717994931,11cyclictest31502-21unixbench_multi07:57:392
11717994930,14cyclictest0-21swapper/207:22:382
11717994928,9cyclictest1003-21telnet06:57:222
11717994923,12cyclictest0-21swapper/208:15:102
11717994921,12cyclictest0-21swapper/210:21:362
1171899488,33cyclictest0-21swapper/306:22:113
1171899483,40cyclictest0-21swapper/308:02:183
1171799483,29cyclictest0-21swapper/207:37:352
11717994827,14cyclictest0-21swapper/207:17:332
1171799473,37cyclictest0-21swapper/207:02:222
11717994727,13cyclictest0-21swapper/207:52:252
11717994726,10cyclictest0-21swapper/208:07:422
11717994726,10cyclictest0-21swapper/206:52:392
281642462,9sleep20-21swapper/206:44:162
233292462,9sleep20-21swapper/206:33:242
1171799453,36cyclictest0-21swapper/206:27:442
1171799453,36cyclictest0-21swapper/206:27:442
114332454,6sleep00-21swapper/006:09:000
271382442,9sleep20-21swapper/207:51:522
11717994227,11cyclictest0-21swapper/206:17:242
1171799363,27cyclictest11782-21latency_hist06:12:112
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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