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2026-07-11 - 05:12

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 Sat Jul 11, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2194991050,5rtkit-daemon2193-21rtkit-daemon18:59:513
2943199935,80cyclictest0-21swapper/221:01:352
2943199935,80cyclictest0-21swapper/221:01:352
2943199914,71cyclictest0-21swapper/220:58:302
2943199914,10cyclictest0-21swapper/223:00:252
219499910,4rtkit-daemon2193-21rtkit-daemon20:27:332
2943199904,78cyclictest0-21swapper/222:29:072
2943199904,70cyclictest0-21swapper/222:34:332
2943199904,64cyclictest0-21swapper/220:42:092
29431999011,68cyclictest1685-21cpuspeed_turbos23:09:372
2943199894,12cyclictest0-21swapper/221:44:442
29431998918,48cyclictest0-21swapper/220:30:422
2943199888,60cyclictest25182-21kworker/2:023:44:362
2943199888,56cyclictest0-21swapper/223:19:342
2943199885,74cyclictest0-21swapper/221:53:492
2943199884,63cyclictest0-21swapper/222:03:032
2943199884,61cyclictest0-21swapper/222:09:582
2943199884,60cyclictest0-21swapper/222:54:402
2943199884,60cyclictest0-21swapper/222:54:402
2943199884,10cyclictest1062-21crond23:09:242
2943199883,66cyclictest0-21swapper/223:44:202
2943199883,66cyclictest0-21swapper/223:44:202
29431998814,50cyclictest0-21swapper/222:07:182
2943199874,76cyclictest0-21swapper/221:09:432
2943199874,71cyclictest0-21swapper/222:15:022
2943199873,59cyclictest7592-21tune2fs22:29:432
29431998718,49cyclictest0-21swapper/223:15:052
2943199864,74cyclictest0-21swapper/218:35:002
2943199864,65cyclictest0-21swapper/221:19:572
2943199864,65cyclictest0-21swapper/220:47:322
2943199864,64cyclictest0-21swapper/223:54:382
2943199864,64cyclictest0-21swapper/222:45:362
2943199864,64cyclictest0-21swapper/222:19:492
2943199864,64cyclictest0-21swapper/222:19:492
2943199864,60cyclictest0-21swapper/220:49:422
2943199864,59cyclictest0-21swapper/221:40:002
2943199864,59cyclictest0-21swapper/221:40:002
2943199864,49cyclictest0-21swapper/219:59:552
2943199863,61cyclictest0-21swapper/219:55:002
2943199862,62cyclictest0-21swapper/221:33:432
29431998611,53cyclictest0-21swapper/220:38:242
2943199854,71cyclictest0-21swapper/221:26:292
2943199854,65cyclictest0-21swapper/223:50:522
2943199854,65cyclictest0-21swapper/223:33:592
2943199854,64cyclictest0-21swapper/222:44:062
2943199853,60cyclictest0-21swapper/221:59:222
2943199848,61cyclictest0-21swapper/223:34:452
2943199848,61cyclictest0-21swapper/223:34:452
2943199844,67cyclictest0-21swapper/220:19:432
2943199844,67cyclictest0-21swapper/220:19:432
2943199844,62cyclictest0-21swapper/221:14:582
2943199843,60cyclictest0-21swapper/221:36:502
2943199843,60cyclictest0-21swapper/221:07:142
2943199843,10cyclictest1124-21snmpd19:04:332
2943199836,8cyclictest0-21swapper/222:49:432
2943199833,58cyclictest0-21swapper/223:25:192
2943199824,52cyclictest0-21swapper/219:04:532
2943199814,9cyclictest12597-21yum-updatesd-he20:09:412
2943199814,61cyclictest0-21swapper/220:14:462
2943199813,60cyclictest17963-21grep19:10:052
2943199804,53cyclictest0-21swapper/219:20:062
2943199804,52cyclictest0-21swapper/218:45:012
2943199804,10cyclictest19281-21df19:14:482
29431998014,43cyclictest0-21swapper/219:43:162
2943199794,59cyclictest0-21swapper/218:39:532
2943199794,52cyclictest0-21swapper/219:24:552
2943199794,51cyclictest0-21swapper/220:04:542
29431997810,46cyclictest0-21swapper/218:53:582
219499780,6rtkit-daemon0-21swapper/219:31:122
219499780,29rtkit-daemon0-21swapper/218:29:453
2943199775,65cyclictest0-21swapper/218:54:502
2943199775,65cyclictest0-21swapper/218:54:502
2943199774,66cyclictest0-21swapper/218:29:562
2943199774,53cyclictest0-21swapper/218:29:362
2943199773,57cyclictest2298-21chrt19:45:002
2943199765,12cyclictest1227-21runrttasks19:34:532
2943199765,12cyclictest1227-21runrttasks19:34:532
2943199763,52cyclictest0-21swapper/219:49:432
219499760,5rtkit-daemon2193-21rtkit-daemon20:29:400
219499740,5rtkit-daemon2193-21rtkit-daemon20:30:023
2943099634,51cyclictest0-21swapper/123:09:341
29430996146,9cyclictest5348-21gltestperf18:44:541
18972604,48sleep30-21swapper/320:45:043
2943299593,34cyclictest11600-21proc_pri22:34:543
60172580,3chrt0-21swapper/319:54:443
2943299573,38cyclictest0-21swapper/320:42:553
285552573,9sleep328558-21ssh22:13:493
2943299565,28cyclictest0-21swapper/320:59:293
2943299565,13cyclictest0-21swapper/322:58:463
2943299565,13cyclictest0-21swapper/322:58:463
29430995637,13cyclictest0-21swapper/121:53:251
29430995621,29cyclictest1227-21runrttasks20:36:261
29429995627,10cyclictest21420-21awk23:39:220
29429995627,10cyclictest21420-21awk23:39:220
279992563,10sleep10-21swapper/122:59:461
219499560,4rtkit-daemon6053-21switchtime18:45:073
176132562,9sleep30-21swapper/323:32:503
144282563,45sleep30-21swapper/321:51:273
130092562,11sleep00-21swapper/021:01:300
130092562,11sleep00-21swapper/021:01:300
2943299555,30cyclictest0-21swapper/321:04:563
29432995536,11cyclictest18814-21needreboot20:19:563
29432995536,11cyclictest18814-21needreboot20:19:563
29432995519,11cyclictest1373-21telnet23:09:343
29429995523,12cyclictest0-21swapper/019:29:320
219499550,5rtkit-daemon12597-21yum-updatesd-he20:09:413
201642552,11sleep00-21swapper/021:12:590
84702543,12sleep30-21swapper/321:44:143
84702543,12sleep30-21swapper/321:44:143
70462543,10sleep00-21swapper/023:16:060
2943299544,31cyclictest0-21swapper/320:49:523
2943299544,27cyclictest0-21swapper/321:54:383
2943299544,12cyclictest1122-21sshd22:19:513
2943299544,12cyclictest1122-21sshd22:19:513
29432995421,13cyclictest0-21swapper/322:54:243
29432995419,20cyclictest0-21swapper/323:52:093
2943099543,45cyclictest0-21swapper/121:20:231
2943099543,24cyclictest0-21swapper/123:17:141
2942999543,35cyclictest0-21swapper/023:42:570
2942999543,35cyclictest0-21swapper/023:42:570
2942999543,35cyclictest0-21swapper/019:45:550
278672543,11sleep30-21swapper/323:48:223
219499540,5rtkit-daemon31981-21missed_timers19:39:573
219499540,4rtkit-daemon24830-21needreboot19:24:583
40612532,10sleep30-21swapper/318:41:423
320782532,45sleep00-21swapper/020:43:240
297432533,42sleep30-21swapper/321:26:003
2943299535,13cyclictest0-21swapper/323:26:243
2943299535,13cyclictest0-21swapper/322:04:463
2943299534,13cyclictest0-21swapper/323:03:073
29432995336,10cyclictest20849-21tail20:24:493
29432995320,13cyclictest0-21swapper/319:59:433
29432995320,13cyclictest0-21swapper/319:05:073
29432995316,11cyclictest7012-21telnet18:49:463
2943099535,41cyclictest0-21swapper/120:40:031
2943099534,12cyclictest0-21swapper/120:45:031
2943099534,11cyclictest0-21swapper/123:30:461
2942999533,43cyclictest0-21swapper/023:29:520
2942999533,43cyclictest0-21swapper/021:39:570
2942999533,43cyclictest0-21swapper/021:39:570
29429995319,28cyclictest17707-21fschecks_time22:44:420
22752533,43sleep10-21swapper/122:21:041
22752533,43sleep10-21swapper/122:21:041
219499530,4rtkit-daemon782-21strings18:34:593
219499530,3rtkit-daemon29180-21fschecks_time19:34:503
219499530,3rtkit-daemon29180-21fschecks_time19:34:503
170492533,43sleep10-21swapper/120:15:191
113242532,10sleep00-21swapper/018:57:590
113242532,10sleep00-21swapper/018:57:590
8232523,7sleep322173-21diskmemload23:08:393
2943299525,13cyclictest0-21swapper/321:30:303
2943299524,29cyclictest0-21swapper/323:54:413
2943299524,28cyclictest0-21swapper/319:14:343
2943299524,13cyclictest0-21swapper/323:35:513
2943299524,13cyclictest0-21swapper/323:35:513
2943299524,12cyclictest0-21swapper/321:46:353
2943299523,35cyclictest0-21swapper/319:22:583
29430995233,14cyclictest0-21swapper/121:10:001
29430995219,26cyclictest7023-21tail22:29:371
2942999524,41cyclictest0-21swapper/023:03:190
2942999524,41cyclictest0-21swapper/020:54:450
2942999524,40cyclictest1066-21latency_hist23:09:240
29429995232,14cyclictest0-21swapper/023:44:400
2942999523,43cyclictest0-21swapper/021:37:170
2942999523,43cyclictest0-21swapper/020:49:420
2942999523,41cyclictest0-21swapper/022:39:370
2942999523,12cyclictest539-21fschecks_count22:19:430
2942999523,12cyclictest539-21fschecks_count22:19:430
2942999523,12cyclictest0-21swapper/021:54:400
135492523,10sleep10-21swapper/121:03:281
135492523,10sleep10-21swapper/121:03:281
319682514,39sleep10-21swapper/121:29:491
2943299515,27cyclictest0-21swapper/321:19:553
2943299515,27cyclictest0-21swapper/320:34:463
2943299514,39cyclictest0-21swapper/321:59:493
2943299514,29cyclictest0-21swapper/320:59:563
2943299514,29cyclictest0-21swapper/320:59:563
2943299514,28cyclictest0-21swapper/323:39:533
2943299514,28cyclictest0-21swapper/323:39:533
2943299514,27cyclictest0-21swapper/321:13:103
2943299514,27cyclictest0-21swapper/319:44:503
29432995119,13cyclictest0-21swapper/322:25:473
29432995114,12cyclictest0-21swapper/321:34:403
2943099515,39cyclictest0-21swapper/123:04:391
2943099515,29cyclictest0-21swapper/121:59:401
2943099514,41cyclictest0-21swapper/122:54:541
2943099514,41cyclictest0-21swapper/122:54:541
29430995110,34cyclictest0-21swapper/118:39:341
2942999519,35cyclictest0-21swapper/021:04:510
2942999515,41cyclictest0-21swapper/023:21:330
2942999514,41cyclictest0-21swapper/023:54:550
2942999513,42cyclictest0-21swapper/021:54:120
2942999512,45cyclictest0-21swapper/022:57:090
2942999512,45cyclictest0-21swapper/022:57:090
243652513,41sleep00-21swapper/022:05:520
221582513,41sleep00-21swapper/020:29:290
219499510,5rtkit-daemon2193-21rtkit-daemon18:24:450
87772502,9sleep00-21swapper/018:50:500
59372502,42sleep00-21swapper/022:27:040
296902502,42sleep00-21swapper/021:25:490
2943299505,26cyclictest0-21swapper/322:14:383
2943299505,12cyclictest0-21swapper/323:17:553
2943299504,27cyclictest0-21swapper/320:05:003
2943299504,24cyclictest0-21swapper/323:19:343
2943299503,16cyclictest0-21swapper/322:29:363
29432995019,14cyclictest0-21swapper/322:39:373
2943099505,39cyclictest0-21swapper/122:09:501
2943099505,28cyclictest0-21swapper/121:07:521
2943099504,40cyclictest0-21swapper/123:59:031
2943099504,40cyclictest0-21swapper/123:43:481
2943099504,40cyclictest0-21swapper/123:43:481
2943099504,39cyclictest0-21swapper/123:44:341
2943099504,39cyclictest0-21swapper/122:49:401
2943099504,27cyclictest0-21swapper/121:44:381
2943099503,42cyclictest0-21swapper/123:20:591
29430995023,9cyclictest22347-21cat20:29:311
2942999504,11cyclictest0-21swapper/022:16:070
2942999503,11cyclictest0-21swapper/022:34:530
280232503,40sleep00-21swapper/020:36:430
2943299494,27cyclictest0-21swapper/318:55:473
2943299494,27cyclictest0-21swapper/318:55:473
29432994931,11cyclictest21789-21hwlatdetect21:14:483
29432994918,13cyclictest0-21swapper/322:47:583
2943099493,41cyclictest0-21swapper/121:29:281
2943099493,41cyclictest0-21swapper/120:33:031
2942999494,39cyclictest0-21swapper/022:00:010
29429994930,13cyclictest0-21swapper/021:29:440
284182492,39sleep10-21swapper/123:49:331
219499490,5rtkit-daemon2193-21rtkit-daemon19:30:053
207132493,10sleep10-21swapper/123:36:511
207132493,10sleep10-21swapper/123:36:511
196962493,39sleep02215-21gdm-simple-gree20:23:280
196962493,39sleep02215-21gdm-simple-gree20:23:280
66202482,41sleep00-21swapper/018:48:520
65642483,38sleep16614-21idleruntime19:54:521
314102482,10sleep00-21swapper/023:54:000
309882483,38sleep10-21swapper/122:15:241
2943299485,26cyclictest0-21swapper/320:16:003
29432994832,10cyclictest19691-21cut19:14:523
2943099486,35cyclictest0-21swapper/120:50:051
2943099485,38cyclictest0-21swapper/120:09:311
2943099485,36cyclictest0-21swapper/119:09:331
2943099484,38cyclictest0-21swapper/122:08:521
2943099484,12cyclictest0-21swapper/122:47:041
29430994834,9cyclictest16392-21tr21:54:451
29430994833,9cyclictest8758-21cut19:59:511
29430994832,11cyclictest0-21swapper/121:35:171
2943099483,15cyclictest0-21swapper/122:26:511
29430994811,30cyclictest0-21swapper/120:20:051
29430994811,30cyclictest0-21swapper/120:20:051
2942999484,38cyclictest0-21swapper/022:12:430
2942999484,12cyclictest0-21swapper/021:14:500
29429994833,11cyclictest0-21swapper/021:22:160
2942999483,40cyclictest0-21swapper/023:09:280
2942999483,40cyclictest0-21swapper/022:29:580
262992483,8sleep126449-21expr19:29:531
185912483,10sleep10-21swapper/119:14:211
115572485,37sleep00-21swapper/021:48:140
76282473,38sleep00-21swapper/019:56:560
51822473,39sleep10-21swapper/119:51:091
311912473,38sleep10-21swapper/118:30:071
2943099474,27cyclictest0-21swapper/121:39:551
2943099474,27cyclictest0-21swapper/121:39:551
2943099474,11cyclictest0-21swapper/120:54:501
29430994732,9cyclictest1227-21runrttasks20:09:431
2942999473,38cyclictest0-21swapper/020:44:460
2942999473,11cyclictest0-21swapper/022:49:530
232112472,9sleep00-21swapper/019:22:060
209072473,11sleep10-21swapper/119:18:281
16772472,39sleep00-21swapper/018:38:200
147792472,10sleep00-21swapper/020:11:480
125072473,10sleep10-21swapper/122:36:321
305092463,37sleep00-21swapper/019:38:550
305092463,37sleep00-21swapper/019:38:550
303872462,39sleep10-21swapper/119:37:181
303872462,39sleep10-21swapper/119:37:181
2943299463,26cyclictest0-21swapper/319:49:533
29430994631,9cyclictest24004-21cpuspeed_turbos19:24:471
29430994619,8cyclictest13927-21cat19:04:341
29430994618,8cyclictest24015-21cat21:19:291
29430994617,11cyclictest0-21swapper/122:39:421
2942999463,37cyclictest0-21swapper/019:49:420
29429994629,12cyclictest0-21swapper/018:39:460
280072463,38sleep00-21swapper/019:32:260
208342462,39sleep00-21swapper/019:17:300
173332462,9sleep00-21swapper/020:19:010
125312463,36sleep00-21swapper/023:24:450
92962452,36sleep10-21swapper/118:54:421
92962452,36sleep10-21swapper/118:54:421
2943099454,36cyclictest0-21swapper/123:24:361
2942999453,36cyclictest0-21swapper/019:04:480
183582452,9sleep00-21swapper/019:11:170
29430994429,9cyclictest31117-21cpuspeed_turbos19:39:461
2942999443,11cyclictest0-21swapper/019:39:530
2943099436,31cyclictest0-21swapper/119:44:421
29430994327,11cyclictest2090-21munin-node18:39:471
2942999433,9cyclictest0-21swapper/020:05:310
2942999432,35cyclictest0-21swapper/019:59:430
2943099424,31cyclictest0-21swapper/119:24:331
2942999423,33cyclictest0-21swapper/018:29:460
2943099415,13cyclictest0-21swapper/118:49:481
2943099414,30cyclictest0-21swapper/118:29:361
2942999413,25cyclictest0-21swapper/019:00:050
2943299349,15cyclictest0-21swapper/318:29:363
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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