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2026-04-20 - 20:02

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 Mon Apr 20, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2160421140,5sleep321608-21kernelversion07:19:493
2160421140,5sleep321608-21kernelversion07:19:493
2485991060,5rtkit-daemon2484-21rtkit-daemon07:33:550
2485991010,7rtkit-daemon0-21swapper/009:11:430
2485991010,7rtkit-daemon0-21swapper/009:11:430
315142830,3sleep041ktimersoftd/005:29:520
41212690,10sleep00-21swapper/007:41:020
2063399685,53cyclictest0-21swapper/007:34:490
248599670,7rtkit-daemon0-21swapper/008:37:300
248599670,7rtkit-daemon0-21swapper/008:37:300
2063399665,54cyclictest0-21swapper/008:39:240
2063399664,53cyclictest0-21swapper/007:14:420
231302656,11sleep20-21swapper/208:59:032
2064199654,53cyclictest0-21swapper/208:04:512
2064199654,53cyclictest0-21swapper/207:24:532
2064199653,55cyclictest0-21swapper/210:01:282
2064199653,53cyclictest0-21swapper/207:34:442
2064299644,52cyclictest0-21swapper/310:34:503
2064299644,29cyclictest0-21swapper/306:54:263
2064299643,52cyclictest13026-21cpuspeed_turbos10:19:303
2063399645,52cyclictest0-21swapper/007:47:260
2063399644,53cyclictest0-21swapper/008:49:540
2063399644,53cyclictest0-21swapper/007:59:420
2063399643,54cyclictest10025-21latency_hist05:54:280
2064299624,52cyclictest0-21swapper/310:24:403
20642996219,13cyclictest0-21swapper/310:14:293
2064199624,51cyclictest0-21swapper/209:39:222
2064199624,51cyclictest0-21swapper/209:34:462
20633996226,12cyclictest1419-21runrttasks09:14:340
2241326117,37sleep322547-21ls08:09:373
2064299614,51cyclictest0-21swapper/307:54:383
2064299614,51cyclictest0-21swapper/307:54:383
2064299614,50cyclictest7878-21missed_timers08:34:483
2064299614,50cyclictest7878-21missed_timers08:34:483
2064299614,30cyclictest0-21swapper/309:04:533
2064299613,50cyclictest0-21swapper/309:09:513
2064299613,50cyclictest0-21swapper/309:09:513
2064299613,50cyclictest0-21swapper/308:54:223
20642996117,26cyclictest0-21swapper/308:26:203
2064199614,50cyclictest0-21swapper/210:04:302
2064199614,50cyclictest0-21swapper/208:39:372
2064199613,50cyclictest0-21swapper/210:39:172
2064199613,50cyclictest0-21swapper/208:09:372
2064199613,50cyclictest0-21swapper/207:18:282
2064199612,52cyclictest0-21swapper/209:17:132
2063799613,51cyclictest0-21swapper/108:14:341
2063399613,52cyclictest0-21swapper/009:54:380
145462613,51sleep00-21swapper/007:09:470
2064299605,50cyclictest0-21swapper/309:29:363
2064299604,48cyclictest9792-21yum-updatesd-he05:54:403
2064299604,48cyclictest0-21swapper/309:39:513
2064299604,48cyclictest0-21swapper/305:19:463
2064299604,48cyclictest0-21swapper/305:19:463
20642996021,14cyclictest0-21swapper/309:49:193
20642996020,14cyclictest0-21swapper/305:39:543
20642996014,27cyclictest0-21swapper/307:45:103
2064199604,49cyclictest0-21swapper/206:49:142
2064199603,50cyclictest0-21swapper/210:09:332
2064199603,50cyclictest0-21swapper/208:59:402
2064199603,49cyclictest0-21swapper/209:54:522
2063399605,31cyclictest0-21swapper/006:54:420
2063399604,50cyclictest0-21swapper/007:19:580
2063399604,50cyclictest0-21swapper/007:19:580
2063399604,49cyclictest0-21swapper/008:24:540
2063399604,49cyclictest0-21swapper/007:54:310
2063399604,49cyclictest0-21swapper/007:54:310
2063399603,51cyclictest0-21swapper/009:48:340
2063399603,51cyclictest0-21swapper/009:39:300
2063399603,50cyclictest0-21swapper/008:44:490
20633996027,12cyclictest0-21swapper/009:24:080
20633996021,14cyclictest0-21swapper/006:04:400
20633996017,23cyclictest0-21swapper/008:20:070
2064299595,48cyclictest0-21swapper/307:59:513
2064299595,29cyclictest0-21swapper/309:59:193
2064299595,28cyclictest0-21swapper/305:14:493
2064299595,25cyclictest0-21swapper/309:29:203
2064299594,49cyclictest20354-21gltestperf10:29:373
2064299594,49cyclictest20354-21gltestperf10:29:373
2064299594,49cyclictest0-21swapper/308:54:183
2064199594,48cyclictest0-21swapper/209:29:002
2064199593,49cyclictest0-21swapper/210:24:472
2064199593,49cyclictest0-21swapper/209:34:192
2064199593,49cyclictest0-21swapper/209:24:212
2064199593,48cyclictest0-21swapper/207:29:522
2064199592,51cyclictest0-21swapper/207:09:382
2063399594,49cyclictest4984-21taskset10:06:370
2063399594,49cyclictest0-21swapper/007:28:140
2063399594,48cyclictest0-21swapper/010:24:510
2063399594,48cyclictest0-21swapper/010:19:290
2063399594,48cyclictest0-21swapper/010:04:180
2063399593,50cyclictest0-21swapper/009:52:590
2063399593,49cyclictest0-21swapper/008:05:400
2063399593,48cyclictest0-21swapper/009:24:510
20633995928,13cyclictest1419-21runrttasks09:03:290
274162583,10sleep30-21swapper/309:52:343
236432582,9sleep20-21swapper/209:46:002
2064299585,34cyclictest0-21swapper/306:29:553
2064299585,29cyclictest0-21swapper/307:09:243
2064299585,29cyclictest0-21swapper/306:04:523
2064299585,28cyclictest0-21swapper/310:04:203
2064299585,28cyclictest0-21swapper/309:34:403
2064299585,28cyclictest0-21swapper/309:19:503
2064299585,28cyclictest0-21swapper/309:18:083
2064299585,28cyclictest0-21swapper/308:49:213
2064299585,28cyclictest0-21swapper/308:33:463
2064299585,28cyclictest0-21swapper/307:17:453
2064299585,27cyclictest0-21swapper/309:04:133
20642995841,11cyclictest31775-21gltestperf07:34:453
2064299584,47cyclictest25690-21sort07:24:573
2064299583,32cyclictest0-21swapper/308:22:353
2064299582,34cyclictest0-21swapper/308:17:353
2064199584,47cyclictest0-21swapper/206:19:372
2064199583,48cyclictest0-21swapper/210:14:292
2064199583,48cyclictest0-21swapper/208:01:242
2064199583,48cyclictest0-21swapper/207:19:382
2064199583,48cyclictest0-21swapper/207:19:382
2064199583,47cyclictest7046-21cpuspeed_turbos08:34:372
2064199583,47cyclictest7046-21cpuspeed_turbos08:34:372
2064199583,46cyclictest20805-21chrt10:29:452
2064199583,46cyclictest20805-21chrt10:29:452
2063799583,48cyclictest0-21swapper/108:54:091
2063399585,46cyclictest0-21swapper/010:09:290
2063399584,47cyclictest0-21swapper/009:34:500
2063399584,33cyclictest0-21swapper/008:11:090
2063399584,27cyclictest0-21swapper/007:49:440
2063399583,48cyclictest231772sleep008:59:120
93662574,12sleep00-21swapper/006:59:390
2064299576,27cyclictest0-21swapper/308:05:413
2064299575,29cyclictest0-21swapper/307:39:393
2064299575,29cyclictest0-21swapper/305:34:463
2064299575,29cyclictest0-21swapper/305:24:503
2064299575,28cyclictest9792-21yum-updatesd-he05:54:283
2064299575,28cyclictest0-21swapper/310:09:513
2064299575,28cyclictest0-21swapper/310:01:253
2064299575,28cyclictest0-21swapper/307:49:433
2064299575,28cyclictest0-21swapper/307:13:423
2064299575,28cyclictest0-21swapper/306:55:013
2064299575,28cyclictest0-21swapper/306:10:023
2064299575,28cyclictest0-21swapper/305:09:423
2064299575,27cyclictest0-21swapper/307:30:053
2064299574,46cyclictest0-21swapper/306:59:513
2064299573,47cyclictest0-21swapper/308:39:483
2064199574,36cyclictest0-21swapper/208:49:542
2064199573,48cyclictest28601-21latency_hist08:19:212
2064199573,47cyclictest0-21swapper/209:06:292
2064199573,47cyclictest0-21swapper/206:59:362
2064199573,46cyclictest27207-21kworker/2:207:54:402
2064199573,46cyclictest27207-21kworker/2:207:54:402
2064199573,36cyclictest0-21swapper/207:44:492
2063399573,49cyclictest0-21swapper/008:31:370
2063399573,48cyclictest0-21swapper/010:33:590
2063399573,48cyclictest0-21swapper/010:33:590
20633995714,24cyclictest12974-21timerandwakeup09:29:510
262062564,12sleep00-21swapper/005:19:460
262062564,12sleep00-21swapper/005:19:460
2064299565,29cyclictest0-21swapper/306:00:033
2064299565,29cyclictest0-21swapper/306:00:033
2064299565,27cyclictest0-21swapper/306:20:003
2064199563,47cyclictest0-21swapper/209:14:142
2064199563,47cyclictest0-21swapper/209:14:142
2064199563,46cyclictest9565-21gltestperf07:49:442
2064199563,46cyclictest0-21swapper/209:51:382
2064199563,45cyclictest3570-21munin-node08:29:332
2064199562,47cyclictest3432-21ssh07:39:532
2063399564,35cyclictest0-21swapper/008:17:090
184442563,46sleep10-21swapper/106:09:541
232592553,43sleep10-21swapper/106:19:531
2064299555,28cyclictest0-21swapper/306:14:553
20642995536,12cyclictest25269-21gltestperf06:24:453
2063799554,30cyclictest0-21swapper/109:41:221
2063799553,46cyclictest0-21swapper/109:10:311
2063799553,46cyclictest0-21swapper/109:10:311
2063799553,46cyclictest0-21swapper/107:20:091
2063799553,46cyclictest0-21swapper/107:20:091
2063399555,25cyclictest23172-21tr10:34:320
2063399554,44cyclictest0-21swapper/006:14:390
2063399554,43cyclictest0-21swapper/009:04:340
39152543,43sleep00-21swapper/005:39:530
248599540,5rtkit-daemon2484-21rtkit-daemon06:14:502
2064199543,46cyclictest0-21swapper/208:29:182
2063799543,45cyclictest0-21swapper/109:07:581
20637995411,25cyclictest24990-21unixbench_singl05:15:021
2063399545,40cyclictest0-21swapper/006:44:500
2063399544,42cyclictest0-21swapper/006:54:260
315502533,44sleep10-21swapper/109:59:291
226112532,44sleep10-21swapper/108:57:081
2064199535,39cyclictest0-21swapper/206:54:372
2064199534,40cyclictest0-21swapper/207:09:242
2064199534,25cyclictest1287-21snmpd05:43:122
2064199533,27cyclictest0-21swapper/206:03:302
2064199533,27cyclictest0-21swapper/206:03:302
20641995323,24cyclictest0-21swapper/210:19:572
2063799533,45cyclictest0-21swapper/110:25:521
2063799533,44cyclictest0-21swapper/109:44:411
2063799533,44cyclictest0-21swapper/108:42:261
2063799533,21cyclictest0-21swapper/109:29:581
20637995325,12cyclictest0-21swapper/108:04:581
2063799532,46cyclictest0-21swapper/108:32:001
2063399535,39cyclictest0-21swapper/006:19:310
2063399535,29cyclictest0-21swapper/005:09:580
2063399534,44cyclictest0-21swapper/005:34:500
2063399534,27cyclictest0-21swapper/005:59:550
2063399534,27cyclictest0-21swapper/005:59:550
2063399533,45cyclictest0-21swapper/010:17:510
2063399533,43cyclictest0-21swapper/006:36:580
2063399533,28cyclictest0-21swapper/006:09:480
133442532,44sleep10-21swapper/107:09:191
256282523,42sleep21287-21snmpd05:19:402
256282523,42sleep21287-21snmpd05:19:402
2064299525,39cyclictest0-21swapper/305:30:013
2064199524,41cyclictest1287-21snmpd05:14:402
20641995235,10cyclictest18434-21grep06:09:522
2064199523,34cyclictest0-21swapper/208:46:592
2063799525,28cyclictest0-21swapper/110:19:341
2063799524,41cyclictest0-21swapper/107:34:541
2063799523,44cyclictest0-21swapper/108:10:011
2063799523,44cyclictest0-21swapper/107:33:581
2063799523,44cyclictest0-21swapper/107:17:241
2063799523,43cyclictest0-21swapper/108:24:331
2063799523,43cyclictest0-21swapper/107:50:131
2063799523,35cyclictest17049-21rm09:36:281
20637995225,12cyclictest0-21swapper/107:39:581
2063399525,29cyclictest0-21swapper/005:44:460
2063399524,41cyclictest0-21swapper/005:24:510
203322524,6sleep00-21swapper/005:05:560
268962512,8sleep126899-21sshd07:28:261
248599510,5rtkit-daemon2484-21rtkit-daemon05:05:533
229512512,9sleep20-21swapper/205:13:512
2064299515,38cyclictest0-21swapper/305:44:593
20642995131,12cyclictest29289-21aten_r1power_po06:34:393
2063799514,40cyclictest0-21swapper/105:49:411
2063799514,29cyclictest0-21swapper/110:29:541
2063799514,29cyclictest0-21swapper/110:29:541
2063799514,29cyclictest0-21swapper/109:24:301
2063799514,28cyclictest0-21swapper/108:59:351
2063799513,43cyclictest0-21swapper/109:15:171
20637995123,13cyclictest0-21swapper/110:10:361
20637995122,9cyclictest6498-21sed07:44:491
20637995118,28cyclictest14092-21fschecks_count08:44:381
2063399515,40cyclictest0-21swapper/005:54:470
2063399514,29cyclictest0-21swapper/006:29:520
2063399513,41cyclictest0-21swapper/005:14:520
2064199503,40cyclictest0-21swapper/208:21:082
2063799506,25cyclictest0-21swapper/107:58:381
2063799506,25cyclictest0-21swapper/107:58:381
2063799504,40cyclictest0-21swapper/110:05:131
2063799504,39cyclictest0-21swapper/105:19:421
2063799504,39cyclictest0-21swapper/105:19:421
2063799503,42cyclictest0-21swapper/109:55:321
2063399505,27cyclictest0-21swapper/006:25:290
2063399504,28cyclictest0-21swapper/006:39:440
2063399504,28cyclictest0-21swapper/006:39:440
248599490,5rtkit-daemon2484-21rtkit-daemon06:48:493
20642994932,11cyclictest31989-21df_abs06:39:413
20642994932,11cyclictest31989-21df_abs06:39:413
2064199494,38cyclictest7422-21latency_hist05:49:282
2064199493,27cyclictest0-21swapper/206:30:512
2063799495,27cyclictest0-21swapper/108:19:371
2063799495,27cyclictest0-21swapper/106:59:341
2063799494,28cyclictest0-21swapper/106:14:461
2063799494,28cyclictest0-21swapper/105:39:551
2063799494,27cyclictest0-21swapper/110:18:531
2063799494,27cyclictest0-21swapper/109:49:431
2063799494,27cyclictest0-21swapper/108:34:561
2063799494,27cyclictest0-21swapper/108:34:561
2063799494,27cyclictest0-21swapper/106:49:421
2063799493,41cyclictest0-21swapper/108:03:431
2063799493,28cyclictest0-21swapper/107:09:391
2063799493,21cyclictest0-21swapper/110:38:151
24162482,40sleep10-21swapper/105:36:561
2064199483,39cyclictest0-21swapper/205:54:272
2064199482,9cyclictest0-21swapper/205:29:302
2063799484,28cyclictest0-21swapper/105:44:541
2063799484,27cyclictest0-21swapper/109:20:041
2063799483,41cyclictest0-21swapper/105:58:381
2063399483,40cyclictest0-21swapper/007:04:480
2064199479,12cyclictest0-21swapper/206:04:592
2064199477,31cyclictest0-21swapper/206:34:402
2064199473,25cyclictest0-21swapper/206:43:292
2064199473,25cyclictest0-21swapper/206:43:292
2064199472,40cyclictest0-21swapper/206:53:282
2064199472,10cyclictest0-21swapper/206:24:522
2063799475,36cyclictest0-21swapper/105:29:501
2063799474,37cyclictest0-21swapper/105:14:291
161922472,9sleep10-21swapper/106:04:581
292302462,38sleep10-21swapper/105:24:551
2064199466,23cyclictest0-21swapper/205:54:402
2064199464,25cyclictest0-21swapper/205:34:412
20637994629,11cyclictest2169-21grep06:44:431
2063799454,33cyclictest0-21swapper/106:29:271
2063799454,25cyclictest0-21swapper/106:03:311
2063799454,25cyclictest0-21swapper/106:03:311
2063799453,37cyclictest0-21swapper/106:29:401
202862454,6sleep10-21swapper/105:05:211
184842444,33sleep20-21swapper/205:04:412
2064199433,34cyclictest0-21swapper/205:30:012
2063799414,23cyclictest0-21swapper/106:34:571
20637994125,10cyclictest7554-21missed_timers06:54:501
20637994125,10cyclictest32426-21gltestperf06:39:471
20637994125,10cyclictest32426-21gltestperf06:39:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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