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2026-09-08 - 22:01

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 the 792 highest latencies:
System rack1slot6s.osadl.org (updated Tue Sep 08, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991340,4rtkit-daemon2193-21rtkit-daemon08:43:531
2400999988,25cyclictest0-21swapper/008:54:100
24009999819,13cyclictest0-21swapper/006:29:120
219499980,6rtkit-daemon0-21swapper/107:31:551
219499980,5rtkit-daemon0-21swapper/105:33:531
2400999943,29cyclictest0-21swapper/008:48:440
24009999322,28cyclictest0-21swapper/007:53:330
2400999924,29cyclictest0-21swapper/009:58:530
24009999213,19cyclictest0-21swapper/010:53:440
2400999914,27cyclictest0-21swapper/007:58:340
2400999907,25cyclictest0-21swapper/009:39:450
2400999904,40cyclictest0-21swapper/008:38:490
2400999903,39cyclictest0-21swapper/007:43:590
2400999903,39cyclictest0-21swapper/007:43:590
2400999894,38cyclictest0-21swapper/009:24:060
2400999884,30cyclictest0-21swapper/009:44:290
2400999864,26cyclictest0-21swapper/010:17:120
2400999854,25cyclictest0-21swapper/010:07:260
2400999854,24cyclictest0-21swapper/010:29:580
2400999854,24cyclictest0-21swapper/010:29:580
2400999803,36cyclictest0-21swapper/005:58:570
2401499714,10cyclictest18761-21unixbench_multi07:34:073
24012997134,20cyclictest29666-21uniq10:18:461
219499710,5rtkit-daemon2193-21rtkit-daemon10:46:252
24012997031,10cyclictest0-21swapper/107:38:571
315992673,56sleep20-21swapper/210:22:042
24012996738,13cyclictest0-21swapper/107:53:561
24012996733,10cyclictest32556-21expr10:23:421
250092662,57sleep20-21swapper/210:59:332
24014996620,40cyclictest19959-21cut10:03:493
253952650,5sleep125534-21cut10:13:281
2401399657,50cyclictest0-21swapper/208:33:532
24012996539,11cyclictest0-21swapper/108:10:471
24012996535,13cyclictest0-21swapper/109:48:421
24012996535,12cyclictest0-21swapper/108:59:101
24012996447,12cyclictest0-21swapper/108:48:461
231492643,11sleep30-21swapper/307:42:463
219499640,6rtkit-daemon0-21swapper/305:33:450
94922630,6sleep09489-21grep08:58:530
2401499634,51cyclictest29022-21needreboot08:38:593
2401399633,51cyclictest0-21swapper/208:38:572
24012996341,14cyclictest0-21swapper/106:43:541
2401299634,41cyclictest0-21swapper/107:48:591
24012996337,8cyclictest0-21swapper/109:33:411
24012996336,12cyclictest0-21swapper/109:38:431
24012996335,13cyclictest0-21swapper/110:15:541
24012996323,22cyclictest6441-21unixbench-2d08:04:061
24013996234,12cyclictest0-21swapper/210:28:542
24013996234,12cyclictest0-21swapper/210:28:542
2401399623,12cyclictest0-21swapper/208:58:522
2401399623,12cyclictest0-21swapper/207:44:102
2401399623,12cyclictest0-21swapper/207:44:102
2401299626,38cyclictest0-21swapper/109:24:471
24012996241,15cyclictest0-21swapper/106:59:091
2401299624,42cyclictest0-21swapper/108:34:131
24012996216,30cyclictest0-21swapper/111:00:311
2401499615,48cyclictest13450-21cpuspeed_turbos10:43:393
24013996132,12cyclictest0-21swapper/210:05:272
2401399613,50cyclictest0-21swapper/209:33:472
2401399613,11cyclictest0-21swapper/208:53:582
24012996132,14cyclictest0-21swapper/109:08:431
24012996131,10cyclictest0-21swapper/106:34:121
2401399604,48cyclictest0-21swapper/210:24:012
2401399604,48cyclictest0-21swapper/207:58:472
24013996031,13cyclictest0-21swapper/209:58:502
2401399603,12cyclictest0-21swapper/209:08:452
24012996042,10cyclictest29994-21ssh08:40:301
24012996032,12cyclictest0-21swapper/108:15:581
24012996032,11cyclictest0-21swapper/107:18:191
112222604,49sleep20-21swapper/207:19:032
2401499594,48cyclictest15212-21munin-node09:08:523
2401499594,48cyclictest0-21swapper/310:33:503
2401399594,12cyclictest0-21swapper/209:54:002
24013995932,13cyclictest0-21swapper/207:35:132
24013995930,13cyclictest0-21swapper/205:58:532
2401399593,11cyclictest0-21swapper/209:03:492
2401399593,11cyclictest0-21swapper/209:03:492
24012995941,13cyclictest0-21swapper/109:48:051
24012995941,11cyclictest0-21swapper/107:28:211
2401299594,49cyclictest0-21swapper/108:55:521
2401299593,10cyclictest0-21swapper/107:18:531
24012995928,14cyclictest0-21swapper/105:48:591
24012995926,10cyclictest0-21swapper/110:40:211
24012995925,10cyclictest0-21swapper/109:30:191
24012995920,18cyclictest0-21swapper/108:00:021
194402592,50sleep00-21swapper/010:53:260
2401499586,47cyclictest29774-21runrttasks07:52:213
2401499584,47cyclictest0-21swapper/308:03:503
2401399583,47cyclictest0-21swapper/207:53:522
2401399583,12cyclictest0-21swapper/206:03:492
2401399583,11cyclictest0-21swapper/210:53:572
24012995841,11cyclictest0-21swapper/110:35:471
24012995828,13cyclictest0-21swapper/106:38:461
24012995828,13cyclictest0-21swapper/106:13:481
24012995827,14cyclictest0-21swapper/108:23:451
24012995827,14cyclictest0-21swapper/108:23:451
24012995827,13cyclictest0-21swapper/110:48:571
24012995827,13cyclictest0-21swapper/110:28:551
24012995827,13cyclictest0-21swapper/110:28:551
24012995824,13cyclictest1227-21runrttasks10:43:471
24012995814,26cyclictest0-21swapper/107:46:171
24012995814,26cyclictest0-21swapper/107:46:171
2401499576,44cyclictest0-21swapper/310:20:523
2401499575,45cyclictest0-21swapper/308:45:543
2401499574,47cyclictest19556-21sh08:24:033
2401499574,47cyclictest19556-21sh08:24:033
2401499574,46cyclictest31996-21cpuspeed_turbos09:33:433
2401499574,46cyclictest0-21swapper/310:16:013
2401499574,46cyclictest0-21swapper/308:54:063
2401499574,46cyclictest0-21swapper/306:29:103
2401499574,46cyclictest0-21swapper/305:44:063
2401499573,48cyclictest0-21swapper/309:46:153
2401499573,12cyclictest0-21swapper/309:04:063
2401499573,12cyclictest0-21swapper/309:04:063
24014995710,39cyclictest361ktimersoftd/311:02:553
2401399579,41cyclictest281ktimersoftd/210:18:282
2401399574,47cyclictest0-21swapper/210:33:382
2401399574,46cyclictest0-21swapper/209:38:432
2401399574,10cyclictest0-21swapper/210:09:012
24013995730,12cyclictest0-21swapper/208:14:022
2401399573,38cyclictest0-21swapper/209:48:512
24013995728,13cyclictest0-21swapper/208:23:442
24013995728,13cyclictest0-21swapper/208:23:442
2401399572,17cyclictest0-21swapper/208:30:052
2401299575,29cyclictest0-21swapper/109:59:191
24012995737,13cyclictest0-21swapper/109:15:511
24012995720,12cyclictest0-21swapper/109:18:581
2400999573,46cyclictest0-21swapper/010:58:290
217922573,7sleep121795-21ssh10:54:481
2401499565,44cyclictest0-21swapper/309:19:223
2401499564,46cyclictest0-21swapper/309:24:483
2401499563,46cyclictest0-21swapper/309:13:583
2401499562,49cyclictest0-21swapper/310:23:403
2401399563,46cyclictest0-21swapper/210:52:112
24013995629,12cyclictest0-21swapper/207:38:482
24012995641,9cyclictest1124-21snmpd08:33:311
2401299564,35cyclictest0-21swapper/109:06:581
2401299564,35cyclictest0-21swapper/109:06:581
2400999564,23cyclictest0-21swapper/009:28:450
2401499555,43cyclictest0-21swapper/306:58:483
2401499554,46cyclictest0-21swapper/310:30:093
2401499554,46cyclictest0-21swapper/310:30:093
2401499554,45cyclictest0-21swapper/308:16:083
2401499554,14cyclictest0-21swapper/309:58:483
24014995521,9cyclictest2105-21fschecks_time07:58:533
24013995534,14cyclictest0-21swapper/209:29:032
2401399552,10cyclictest0-21swapper/209:23:442
2401299555,23cyclictest0-21swapper/108:22:351
2401299554,27cyclictest0-21swapper/106:09:131
2401299554,27cyclictest0-21swapper/106:04:081
24012995533,8cyclictest19997-21ssh10:03:491
24012995518,14cyclictest0-21swapper/109:54:471
24012995517,14cyclictest0-21swapper/107:33:351
219499550,5rtkit-daemon2193-21rtkit-daemon09:16:142
114732552,47sleep00-21swapper/010:38:590
2401499545,12cyclictest0-21swapper/310:42:063
2401499544,45cyclictest10398-21sed08:59:083
2401499544,45cyclictest0-21swapper/308:52:203
2401499544,44cyclictest0-21swapper/306:53:593
2401499544,43cyclictest26772-21ssh08:35:453
2401499544,43cyclictest0-21swapper/307:43:543
2401499544,43cyclictest0-21swapper/307:43:543
2401499543,45cyclictest0-21swapper/309:55:363
2401499543,43cyclictest22679-21python08:29:033
2401399543,8cyclictest9670-21cat08:09:082
2401399543,8cyclictest28685-21wc06:48:582
2401399543,10cyclictest0-21swapper/209:19:002
24013995429,12cyclictest0-21swapper/208:50:042
2401299545,30cyclictest0-21swapper/105:44:031
2401299545,28cyclictest0-21swapper/105:58:581
2401299544,30cyclictest0-21swapper/107:09:021
2401299544,28cyclictest0-21swapper/105:38:531
2400999544,43cyclictest0-21swapper/009:48:410
2400999543,44cyclictest0-21swapper/009:11:530
219499540,5rtkit-daemon2193-21rtkit-daemon08:18:462
219499540,5rtkit-daemon2193-21rtkit-daemon07:48:472
88272533,43sleep38866-21sensors07:14:043
2401499534,9cyclictest10549-21ntp_states09:48:553
2401499534,44cyclictest0-21swapper/310:49:553
2401499534,43cyclictest0-21swapper/310:11:453
2401499534,43cyclictest0-21swapper/309:41:083
2401499534,43cyclictest0-21swapper/307:54:523
2401499534,41cyclictest8163-21cpu08:08:473
2401399533,44cyclictest0-21swapper/206:13:552
24013995328,9cyclictest0-21swapper/210:38:432
24013995315,22cyclictest7805-21cstates07:13:482
2401299536,25cyclictest1416-21aten2.4-expect05:53:531
2401299535,29cyclictest0-21swapper/106:29:001
2401299535,29cyclictest0-21swapper/106:24:101
2401299535,29cyclictest0-21swapper/106:24:101
2400999534,12cyclictest0-21swapper/010:08:580
2400999533,44cyclictest0-21swapper/010:23:460
219499530,5rtkit-daemon2193-21rtkit-daemon08:03:472
196782533,43sleep30-21swapper/310:53:293
100662532,43sleep00-21swapper/006:09:070
2401499525,40cyclictest14563-21ssh08:18:393
24014995216,8cyclictest6632-21grep07:09:083
2401399523,11cyclictest0-21swapper/205:53:382
24013995227,10cyclictest0-21swapper/208:44:262
2400999523,26cyclictest0-21swapper/007:40:060
213332523,42sleep221418-21gltestperf06:33:562
149362522,44sleep00-21swapper/009:08:290
149362522,44sleep00-21swapper/009:08:290
104922522,9sleep30-21swapper/306:09:433
2401499514,12cyclictest0-21swapper/306:14:093
24013995126,10cyclictest0-21swapper/206:33:322
24013995123,12cyclictest0-21swapper/206:19:092
24012995124,11cyclictest0-21swapper/106:56:311
2400999518,31cyclictest0-21swapper/008:08:350
2400999514,42cyclictest0-21swapper/009:37:000
24009995131,14cyclictest0-21swapper/010:18:420
2400999513,42cyclictest0-21swapper/008:13:490
2400999513,11cyclictest0-21swapper/008:05:370
237662514,6sleep00-21swapper/005:30:550
101402513,10sleep20-21swapper/206:09:092
2401499505,28cyclictest0-21swapper/309:28:403
2401499504,29cyclictest0-21swapper/307:23:513
24014995035,10cyclictest25696-21cpuspeed_turbos06:43:523
24014995034,9cyclictest6600-21cpuspeed_turbos06:03:523
2401499503,41cyclictest0-21swapper/306:19:073
24013995029,11cyclictest0-21swapper/205:54:282
24013995025,9cyclictest0-21swapper/207:28:562
2401299506,23cyclictest13545-21aten2.4-expect06:18:501
2400999504,27cyclictest0-21swapper/009:14:080
2400999503,41cyclictest0-21swapper/008:44:030
24009995018,14cyclictest0-21swapper/009:53:400
2401499495,28cyclictest0-21swapper/306:33:593
2401499494,39cyclictest0-21swapper/305:59:043
2401499494,27cyclictest0-21swapper/306:48:483
2401399493,9cyclictest30888-21fschecks_time06:53:532
24013994926,9cyclictest0-21swapper/206:39:102
24013994922,11cyclictest0-21swapper/209:43:412
2400999494,12cyclictest0-21swapper/010:43:440
2400999493,41cyclictest0-21swapper/009:18:520
2400999493,34cyclictest0-21swapper/007:21:190
2400999493,31cyclictest0-21swapper/007:58:440
2400999493,26cyclictest0-21swapper/008:36:210
2400999493,15cyclictest0-21swapper/008:26:190
2400999493,15cyclictest0-21swapper/008:26:190
84312483,9sleep00-21swapper/010:34:030
276412483,39sleep327738-21munin-node05:39:043
2401499484,29cyclictest0-21swapper/305:54:583
2401499484,28cyclictest0-21swapper/305:48:543
2401399483,11cyclictest0-21swapper/207:08:592
2401399483,11cyclictest0-21swapper/205:38:562
2401299485,34cyclictest0-21swapper/106:48:571
2400999484,27cyclictest0-21swapper/008:28:550
2400999484,27cyclictest0-21swapper/007:29:100
2400999483,25cyclictest15173-21sshd08:18:490
24009994826,14cyclictest0-21swapper/007:33:470
24009994819,12cyclictest0-21swapper/005:38:530
21232482,9sleep20-21swapper/207:00:372
82372472,39sleep00-21swapper/006:06:250
308552472,40sleep00-21swapper/005:44:530
2401499473,8cyclictest25268-21cat06:43:373
2401399474,12cyclictest0-21swapper/206:23:482
2401399474,12cyclictest0-21swapper/206:23:482
24013994734,8cyclictest30757-21unixbench_singl05:44:132
24013994731,10cyclictest12953-21grep07:23:522
2401399473,38cyclictest0-21swapper/206:43:532
24012994718,13cyclictest0-21swapper/107:04:051
24012994718,13cyclictest0-21swapper/107:04:051
2400999474,36cyclictest0-21swapper/006:58:350
2400999474,27cyclictest0-21swapper/007:13:510
2400999473,38cyclictest0-21swapper/005:53:500
24009994719,12cyclictest0-21swapper/006:33:570
167422473,36sleep00-21swapper/006:23:590
167422473,36sleep00-21swapper/006:23:590
154642472,39sleep00-21swapper/006:22:170
120562473,37sleep00-21swapper/006:13:590
2401499463,28cyclictest0-21swapper/307:29:053
2401399463,10cyclictest0-21swapper/207:04:242
2401399463,10cyclictest0-21swapper/207:04:242
24013994625,9cyclictest0-21swapper/205:33:462
2400999463,27cyclictest0-21swapper/006:43:550
2400999463,24cyclictest25143-21sadc06:43:370
2401499454,12cyclictest0-21swapper/307:23:363
24014994514,13cyclictest0-21swapper/307:03:543
24014994514,13cyclictest0-21swapper/307:03:543
2400999454,25cyclictest0-21swapper/007:28:210
2400999454,25cyclictest0-21swapper/007:09:070
2400999454,25cyclictest0-21swapper/005:48:570
2400999453,27cyclictest0-21swapper/006:48:500
2400999453,13cyclictest0-21swapper/006:59:080
24014994415,12cyclictest0-21swapper/305:33:503
2400999444,25cyclictest0-21swapper/007:03:560
2400999444,25cyclictest0-21swapper/007:03:560
219499440,4rtkit-daemon2193-21rtkit-daemon05:29:003
24014994111,12cyclictest0-21swapper/306:24:013
24014994111,12cyclictest0-21swapper/306:24:013
2401299415,16cyclictest0-21swapper/105:33:401
237852404,28sleep20-21swapper/205:31:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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