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2026-04-11 - 10:04

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 Sat Apr 11, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2424399944,81cyclictest0-21swapper/017:58:510
24243999324,62cyclictest0-21swapper/020:46:340
2424399904,31cyclictest0-21swapper/022:36:080
2424399904,31cyclictest0-21swapper/022:36:080
2424399888,12cyclictest0-21swapper/020:13:030
2424399874,31cyclictest28950-21sh20:23:170
2424399874,31cyclictest0-21swapper/021:20:470
24243998733,48cyclictest0-21swapper/022:43:160
2424399873,35cyclictest0-21swapper/022:28:270
24243998720,8cyclictest29513-21idleruntime21:58:340
24243998718,9cyclictest1419-21runrttasks19:26:110
24243998715,12cyclictest0-21swapper/019:30:190
2424399865,13cyclictest0-21swapper/022:18:300
2424399865,12cyclictest0-21swapper/017:32:380
2424399864,12cyclictest0-21swapper/019:43:490
2424399864,12cyclictest0-21swapper/019:43:490
24243998622,13cyclictest0-21swapper/019:33:490
24243998615,12cyclictest0-21swapper/021:08:490
24243998615,12cyclictest0-21swapper/021:08:490
2424399855,36cyclictest0-21swapper/021:48:430
2424399854,36cyclictest0-21swapper/021:38:450
2424399854,32cyclictest0-21swapper/022:25:260
2424399854,32cyclictest0-21swapper/019:50:010
2424399854,31cyclictest0-21swapper/020:18:180
2424399854,11cyclictest0-21swapper/021:43:310
2424399853,12cyclictest0-21swapper/018:23:520
2424399853,12cyclictest0-21swapper/018:23:520
24243998525,9cyclictest982-21ssh20:28:370
24243998525,11cyclictest0-21swapper/019:18:510
24243998518,8cyclictest16983-21diskmemload21:23:360
2424399845,11cyclictest0-21swapper/022:13:440
2424399844,34cyclictest0-21swapper/019:54:260
2424399844,33cyclictest0-21swapper/018:38:400
2424399843,32cyclictest22542-21grep18:18:550
2424399843,31cyclictest18151-21ssh20:53:400
24243998426,10cyclictest1419-21runrttasks18:03:440
24243998420,12cyclictest0-21swapper/020:48:550
2424399834,33cyclictest0-21swapper/020:37:180
2424399834,30cyclictest0-21swapper/019:43:190
2424399833,38cyclictest0-21swapper/022:38:370
2424399833,16cyclictest0-21swapper/021:32:210
2424399833,12cyclictest0-21swapper/017:18:250
2424399823,11cyclictest0-21swapper/020:03:320
24243998227,10cyclictest0-21swapper/021:03:200
2424399814,32cyclictest0-21swapper/022:03:170
2424399814,12cyclictest0-21swapper/018:58:310
2424399813,12cyclictest0-21swapper/020:39:480
24243998127,11cyclictest0-21swapper/020:25:320
24243998127,11cyclictest0-21swapper/020:25:320
2424399805,12cyclictest0-21swapper/018:48:210
2424399804,14cyclictest0-21swapper/019:58:370
24243998026,11cyclictest0-21swapper/018:08:390
2424399794,33cyclictest0-21swapper/019:13:310
2424399794,14cyclictest0-21swapper/018:38:220
2424399793,34cyclictest0-21swapper/021:02:070
2424399793,24cyclictest0-21swapper/022:08:460
2424399786,15cyclictest0-21swapper/021:33:380
2424399786,13cyclictest0-21swapper/017:48:580
2424399785,13cyclictest0-21swapper/021:57:330
2424399785,13cyclictest0-21swapper/021:57:330
2424399784,36cyclictest0-21swapper/019:08:470
2424399784,36cyclictest0-21swapper/019:08:470
2424399763,34cyclictest0-21swapper/017:38:530
2424399754,14cyclictest0-21swapper/021:13:290
220922730,3sleep2281ktimersoftd/221:48:262
2424599714,48cyclictest0-21swapper/122:15:251
24243997120,8cyclictest2960-21telnet18:48:330
24247996931,31cyclictest12586-21grep21:33:343
2424799672,59cyclictest0-21swapper/321:02:403
2424799653,55cyclictest0-21swapper/321:18:343
9652644,52sleep30-21swapper/322:03:443
2424799634,52cyclictest0-21swapper/322:19:303
2424799633,53cyclictest0-21swapper/321:29:003
24245996334,13cyclictest0-21swapper/122:43:421
248599620,4rtkit-daemon2484-21rtkit-daemon20:19:421
2424799624,51cyclictest25546-21ntp_states19:28:483
24247996225,12cyclictest7034-21telnet20:38:283
24247996219,25cyclictest13954-21tr18:03:363
2424699625,15cyclictest0-21swapper/220:43:302
24245996232,13cyclictest0-21swapper/119:19:161
24245996232,12cyclictest3805-21python19:43:491
24245996232,12cyclictest3805-21python19:43:491
206202624,50sleep10-21swapper/118:18:231
248599610,4rtkit-daemon2484-21rtkit-daemon22:11:071
248599610,4rtkit-daemon2484-21rtkit-daemon21:05:101
248599610,4rtkit-daemon2484-21rtkit-daemon20:15:121
2424799613,52cyclictest0-21swapper/322:01:163
2424799613,52cyclictest0-21swapper/319:18:423
2424699615,13cyclictest0-21swapper/220:53:522
2424699615,11cyclictest24090-21cpuspeed21:03:282
2424699614,14cyclictest0-21swapper/219:58:542
2424699614,13cyclictest0-21swapper/222:23:382
24245996133,11cyclictest28641-21head21:58:251
282732604,13sleep20-21swapper/218:33:362
255712603,8sleep325633-21latency_hist20:18:183
2424799604,49cyclictest0-21swapper/319:55:533
2424799603,50cyclictest0-21swapper/320:23:463
2424799603,50cyclictest0-21swapper/320:23:463
2424799603,49cyclictest4637-21timerandwakeup22:08:473
2424799603,49cyclictest0-21swapper/321:24:173
2424799603,48cyclictest0-21swapper/321:44:213
24246996019,24cyclictest4064-21needreboot18:48:462
2424599605,28cyclictest0-21swapper/117:39:331
24245996033,12cyclictest0-21swapper/121:33:261
24245996032,13cyclictest0-21swapper/119:28:471
24245996028,15cyclictest0-21swapper/121:18:451
2424799593,51cyclictest0-21swapper/322:34:023
2424799593,51cyclictest0-21swapper/322:34:023
2424699594,37cyclictest0-21swapper/222:13:312
2424699594,10cyclictest0-21swapper/220:32:272
2424599596,13cyclictest4466-21perl20:33:371
24245995931,11cyclictest28950-21chrt18:33:421
24245995930,13cyclictest0-21swapper/120:08:301
24245995930,12cyclictest0-21swapper/120:53:351
24245995927,12cyclictest1419-21runrttasks19:54:041
24247995840,11cyclictest1082-21cut18:43:393
24247995820,14cyclictest0-21swapper/319:46:113
24247995820,14cyclictest0-21swapper/319:46:113
24247995819,8cyclictest27197-21open_files20:18:443
2424699584,30cyclictest0-21swapper/220:28:182
2424699584,30cyclictest0-21swapper/220:28:182
2424699584,28cyclictest24106-21grep22:38:302
2424699584,13cyclictest0-21swapper/222:32:372
24246995819,24cyclictest0-21swapper/220:40:382
2424599584,39cyclictest0-21swapper/122:42:261
24245995832,10cyclictest29600-21cstates20:23:331
24245995832,10cyclictest29600-21cstates20:23:331
24245995832,10cyclictest20906-21df20:58:301
24245995831,13cyclictest0-21swapper/122:33:331
24245995831,13cyclictest0-21swapper/122:33:331
2424599583,49cyclictest0-21swapper/121:47:211
24245995829,15cyclictest0-21swapper/120:52:291
24245995828,15cyclictest0-21swapper/121:09:471
24245995828,15cyclictest0-21swapper/121:09:471
24245995827,15cyclictest0-21swapper/121:15:471
267312573,46sleep10-21swapper/121:53:461
267312573,46sleep10-21swapper/121:53:461
2424799573,49cyclictest0-21swapper/321:03:343
24247995719,9cyclictest11328-21open_inodes19:03:483
2424699575,25cyclictest0-21swapper/221:17:582
2424699574,36cyclictest0-21swapper/220:09:212
2424699574,36cyclictest0-21swapper/219:55:182
24246995723,17cyclictest0-21swapper/219:30:312
24246995711,27cyclictest0-21swapper/219:43:422
24246995711,27cyclictest0-21swapper/219:43:422
2424599576,12cyclictest0-21swapper/117:18:481
2424599575,15cyclictest0-21swapper/119:53:131
24245995729,14cyclictest0-21swapper/119:27:491
24245995729,13cyclictest0-21swapper/121:40:501
24245995729,12cyclictest0-21swapper/120:38:491
24245995729,12cyclictest0-21swapper/119:36:491
24245995728,14cyclictest0-21swapper/121:27:031
24245995727,16cyclictest0-21swapper/120:00:371
24245995727,15cyclictest0-21swapper/120:46:291
142292573,47sleep114332-21cut18:03:401
60352562,31sleep30-21swapper/317:45:363
60352562,31sleep30-21swapper/317:45:363
2424799563,47cyclictest0-21swapper/319:58:583
2424799563,46cyclictest19702-21df_inode20:08:343
2424799562,48cyclictest0-21swapper/321:57:213
2424799562,48cyclictest0-21swapper/321:57:213
2424699565,34cyclictest0-21swapper/221:59:342
24246995624,15cyclictest0-21swapper/221:33:152
24246995623,13cyclictest1287-21snmpd18:18:512
2424599565,14cyclictest0-21swapper/122:18:431
2424599563,45cyclictest0-21swapper/119:38:571
24245995629,13cyclictest0-21swapper/121:49:411
24245995628,14cyclictest0-21swapper/120:32:131
24245995628,14cyclictest0-21swapper/120:03:311
24245995628,13cyclictest0-21swapper/121:30:171
24245995628,12cyclictest0-21swapper/118:38:331
24245995626,16cyclictest0-21swapper/119:08:411
24245995626,16cyclictest0-21swapper/119:08:411
24245995623,13cyclictest0-21swapper/118:18:481
2424799554,45cyclictest0-21swapper/317:28:363
2424799553,47cyclictest0-21swapper/319:27:023
2424799553,46cyclictest0-21swapper/320:29:213
24247995518,29cyclictest6040-21cpuspeed_turbos19:48:323
24247995511,26cyclictest0-21swapper/321:50:413
2424699555,30cyclictest0-21swapper/222:18:332
2424699555,30cyclictest0-21swapper/220:04:362
2424699555,28cyclictest3876-21sed22:08:342
2424699554,35cyclictest0-21swapper/220:59:022
2424699554,31cyclictest0-21swapper/221:33:392
2424699553,36cyclictest0-21swapper/221:42:002
24246995522,13cyclictest0-21swapper/221:18:322
24246995521,13cyclictest0-21swapper/219:35:392
2424699552,38cyclictest0-21swapper/219:18:292
24246995519,14cyclictest0-21swapper/220:18:392
2424599553,45cyclictest12558-21open_files17:58:511
2424599553,44cyclictest0-21swapper/122:28:301
24245995528,12cyclictest0-21swapper/118:13:231
24245995527,15cyclictest0-21swapper/122:03:571
24245995527,14cyclictest0-21swapper/122:24:251
2424799545,44cyclictest0-21swapper/321:39:373
2424799544,46cyclictest0-21swapper/322:17:493
2424799544,45cyclictest0-21swapper/321:17:433
2424799544,45cyclictest0-21swapper/318:13:553
24247995433,7cyclictest15797-21ssh20:03:293
2424699546,27cyclictest0-21swapper/218:53:352
2424699545,31cyclictest5600-21diskstats21:23:312
2424699545,31cyclictest0-21swapper/219:23:392
2424699545,30cyclictest0-21swapper/220:35:282
2424699545,29cyclictest1419-21runrttasks17:18:462
2424699544,33cyclictest0-21swapper/219:51:572
24246995434,13cyclictest11233-21strings19:03:452
24246995421,14cyclictest0-21swapper/219:38:362
24246995417,13cyclictest0-21swapper/221:53:252
24246995417,13cyclictest0-21swapper/221:53:252
2424599544,42cyclictest6518-21aten2.4-expect17:48:351
24245995426,14cyclictest0-21swapper/118:53:461
24245995426,13cyclictest0-21swapper/117:53:481
2424799535,43cyclictest0-21swapper/318:58:423
2424799535,42cyclictest0-21swapper/319:38:543
2424799535,40cyclictest0-21swapper/322:48:133
24247995341,7cyclictest12974-21df_abs19:08:363
24247995341,7cyclictest12974-21df_abs19:08:363
2424799534,44cyclictest0-21swapper/320:43:223
2424799534,44cyclictest0-21swapper/319:34:563
2424699536,30cyclictest0-21swapper/221:47:072
2424699535,29cyclictest0-21swapper/222:33:512
2424699535,29cyclictest0-21swapper/222:33:512
2424699535,29cyclictest0-21swapper/220:48:502
2424699534,33cyclictest0-21swapper/221:11:222
2424699534,33cyclictest0-21swapper/221:11:222
2424699534,30cyclictest0-21swapper/220:13:392
2424699534,29cyclictest0-21swapper/218:23:512
2424699534,29cyclictest0-21swapper/218:23:512
24246995319,14cyclictest0-21swapper/222:05:262
24246995319,13cyclictest0-21swapper/222:43:372
2424599536,27cyclictest0-21swapper/119:14:491
24245995327,12cyclictest0-21swapper/117:23:381
24245995325,11cyclictest9529-21sshd19:00:001
192552533,7sleep319258-21ssh20:54:543
248599520,5rtkit-daemon2484-21rtkit-daemon17:53:400
248599520,5rtkit-daemon2484-21rtkit-daemon17:43:480
248599520,5rtkit-daemon2484-21rtkit-daemon17:43:480
2424799524,43cyclictest0-21swapper/322:40:073
2424799523,43cyclictest3687-21aten_r1power_en20:33:293
2424699526,28cyclictest0-21swapper/218:43:442
2424699526,27cyclictest0-21swapper/219:14:492
2424699526,27cyclictest0-21swapper/217:48:452
2424699525,29cyclictest0-21swapper/218:03:402
2424699525,28cyclictest0-21swapper/217:58:572
2424699524,29cyclictest0-21swapper/218:33:222
2424699524,29cyclictest0-21swapper/217:33:542
24246995234,11cyclictest12759-21tr19:08:342
24246995234,11cyclictest12759-21tr19:08:342
24246995219,14cyclictest0-21swapper/218:08:482
24246995218,13cyclictest0-21swapper/219:03:212
2424599525,28cyclictest0-21swapper/119:03:431
2424599525,28cyclictest0-21swapper/117:43:351
2424599525,28cyclictest0-21swapper/117:43:351
2424599523,43cyclictest0-21swapper/118:23:431
2424599523,43cyclictest0-21swapper/118:23:431
24245995228,10cyclictest0-21swapper/117:28:351
24245995219,12cyclictest0-21swapper/118:28:521
287972513,41sleep00-21swapper/017:25:540
248599510,5rtkit-daemon2484-21rtkit-daemon17:33:480
2424799515,38cyclictest0-21swapper/317:53:423
2424799514,42cyclictest0-21swapper/322:29:483
2424799513,44cyclictest0-21swapper/317:38:243
2424799513,43cyclictest0-21swapper/322:26:083
2424799513,43cyclictest0-21swapper/320:49:033
2424799513,43cyclictest0-21swapper/317:18:363
2424699515,27cyclictest0-21swapper/217:43:452
2424699515,27cyclictest0-21swapper/217:43:452
2424699514,28cyclictest0-21swapper/217:53:442
2424699514,28cyclictest0-21swapper/217:23:492
2424699514,27cyclictest29351-21aten2.4-expect17:28:352
24246995119,14cyclictest0-21swapper/217:38:522
2424599516,38cyclictest0-21swapper/118:48:431
22652513,10sleep10-21swapper/118:44:151
2424799503,29cyclictest0-21swapper/321:08:483
2424799503,29cyclictest0-21swapper/321:08:483
24247995023,7cyclictest16978-21munin-plugin-st19:18:203
2424699504,28cyclictest0-21swapper/218:38:372
2424799495,37cyclictest0-21swapper/318:23:503
2424799495,37cyclictest0-21swapper/318:23:503
24247994920,13cyclictest0-21swapper/318:08:383
2424699494,27cyclictest0-21swapper/218:13:392
2424799487,35cyclictest0-21swapper/317:28:243
2424799484,39cyclictest0-21swapper/318:28:333
2424799484,38cyclictest0-21swapper/317:58:513
24247994831,10cyclictest28795-21gltestperf18:33:403
24247994824,9cyclictest1287-21snmpd18:39:433
204372485,36sleep00-21swapper/018:16:210
24247994734,8cyclictest1968-21cut17:38:363
2424599473,39cyclictest0-21swapper/117:34:331
2424799463,38cyclictest0-21swapper/318:18:493
2424399467,9cyclictest121850irq/46-eth017:18:360
49742452,10sleep30-21swapper/318:52:563
2424799456,24cyclictest0-21swapper/317:48:383
2424799453,36cyclictest0-21swapper/318:53:333
2424399434,33cyclictest0-21swapper/019:08:200
2424399433,36cyclictest0-21swapper/018:28:510
2424399423,34cyclictest0-21swapper/018:53:350
2424599414,13cyclictest0-21swapper/117:18:261
2424699402,23cyclictest0-21swapper/217:18:262
2424799374,14cyclictest0-21swapper/317:18:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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