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2026-09-24 - 18:56

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 Thu Sep 24, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11777991044,93cyclictest0-21swapper/008:23:540
11777991034,79cyclictest0-21swapper/010:28:520
11777991014,89cyclictest0-21swapper/010:01:320
11777991003,10cyclictest22451-21crond06:48:330
1177799999,70cyclictest0-21swapper/010:23:390
1177799994,87cyclictest0-21swapper/009:08:090
1177799993,89cyclictest0-21swapper/007:21:030
1177799984,86cyclictest0-21swapper/008:54:010
1177799963,86cyclictest0-21swapper/009:15:410
1177799954,84cyclictest0-21swapper/008:38:450
1177799953,84cyclictest0-21swapper/010:09:510
1178599943,25cyclictest0-21swapper/308:29:183
1177799944,82cyclictest0-21swapper/009:22:340
1177799944,82cyclictest0-21swapper/006:48:470
1177799944,68cyclictest0-21swapper/007:45:290
1177799944,65cyclictest25835-21munin-run09:28:270
1177799944,65cyclictest25835-21munin-run09:28:270
1177799943,83cyclictest0-21swapper/010:34:030
1177799943,8cyclictest17620-21grep10:03:430
11785999320,11cyclictest9393-21ssh10:39:013
11785999320,11cyclictest9393-21ssh10:39:013
1177799934,82cyclictest0-21swapper/009:48:280
1177799934,82cyclictest0-21swapper/008:22:190
1177799934,81cyclictest0-21swapper/006:08:350
1177799934,70cyclictest29908-21grep05:54:000
1177799933,10cyclictest0-21swapper/008:11:060
11785999224,13cyclictest0-21swapper/307:40:193
1177799924,81cyclictest0-21swapper/007:34:260
1177799924,66cyclictest0-21swapper/008:58:520
219499910,5rtkit-daemon2193-21rtkit-daemon08:59:441
1177799915,72cyclictest7150irq/45-ahci10:48:240
1177799914,80cyclictest0-21swapper/007:54:160
1177799914,79cyclictest0-21swapper/008:43:500
1177799914,79cyclictest0-21swapper/008:31:380
219499900,5rtkit-daemon2193-21rtkit-daemon09:20:361
1178599904,9cyclictest11223-21latency_hist07:28:323
1178599903,21cyclictest4520-21diskmemload09:03:473
1177799905,76cyclictest11170-21munin-run07:28:320
1177799904,79cyclictest0-21swapper/010:16:520
1177799904,79cyclictest0-21swapper/007:58:380
1177799904,71cyclictest0-21swapper/008:04:000
1177799904,71cyclictest0-21swapper/008:04:000
1177799904,68cyclictest0-21swapper/006:38:490
1177799904,66cyclictest0-21swapper/008:13:450
11785998915,24cyclictest16817-21missed_timers08:23:553
11784998928,54cyclictest0-21swapper/208:20:342
1177799894,71cyclictest0-21swapper/009:08:420
1178599885,24cyclictest0-21swapper/310:05:223
1178599884,34cyclictest0-21swapper/308:13:463
1178599884,20cyclictest26433-21ssh10:18:253
1178599884,12cyclictest0-21swapper/307:43:483
11785998816,9cyclictest1227-21runrttasks10:26:223
1177799884,77cyclictest0-21swapper/007:08:570
1177799884,70cyclictest0-21swapper/010:42:000
1177799884,70cyclictest0-21swapper/010:42:000
1177799884,65cyclictest0-21swapper/009:32:550
1177799883,70cyclictest0-21swapper/007:52:310
219499870,5rtkit-daemon2193-21rtkit-daemon10:14:272
1178599874,34cyclictest0-21swapper/309:23:423
1178599874,34cyclictest0-21swapper/309:23:423
1178599874,26cyclictest0-21swapper/309:08:383
1178599874,13cyclictest0-21swapper/309:13:513
1178599874,10cyclictest6108-21unixbench_singl10:33:583
11785998733,46cyclictest15787-21ls07:33:523
11785998726,10cyclictest7717-21fschecks_time09:48:443
11785998717,13cyclictest0-21swapper/308:47:393
11785998715,9cyclictest4520-21diskmemload09:38:163
11784998726,36cyclictest0-21swapper/207:28:322
1177799875,64cyclictest0-21swapper/009:41:250
1177799874,75cyclictest0-21swapper/007:38:520
1177799874,68cyclictest0-21swapper/005:37:480
219499860,5rtkit-daemon2193-21rtkit-daemon10:43:251
1178599863,26cyclictest0-21swapper/305:58:353
11785998627,10cyclictest13284-21crond09:58:263
11785998621,12cyclictest0-21swapper/306:49:023
11785998617,13cyclictest0-21swapper/310:19:033
1177799865,60cyclictest0-21swapper/009:43:540
1177799864,75cyclictest0-21swapper/007:13:540
1177799864,74cyclictest0-21swapper/005:48:470
1177799864,51cyclictest0-21swapper/009:34:530
1177799863,76cyclictest0-21swapper/008:33:490
1177799863,75cyclictest0-21swapper/006:23:590
1178599855,33cyclictest0-21swapper/306:38:343
1178599855,24cyclictest26024-21memory07:48:553
1178599855,23cyclictest0-21swapper/309:41:373
1178599854,33cyclictest1227-21runrttasks07:18:373
1178599854,30cyclictest23249-21ssh08:33:513
1178599854,29cyclictest0-21swapper/306:24:093
1178599854,18cyclictest0-21swapper/310:44:143
11785998528,13cyclictest0-21swapper/308:38:463
11785998517,20cyclictest6102-21cut06:13:453
11784998533,33cyclictest14661-21timerwakeupswit09:09:032
11784998531,47cyclictest0-21swapper/207:53:442
1177799854,72cyclictest0-21swapper/005:23:520
1177799854,67cyclictest0-21swapper/006:37:390
1177799854,60cyclictest0-21swapper/005:28:530
1177799854,54cyclictest0-21swapper/009:53:470
1177799853,51cyclictest0-21swapper/006:13:450
1177799853,10cyclictest9246-21tail06:18:540
219499840,5rtkit-daemon2193-21rtkit-daemon06:58:341
1178599845,33cyclictest0-21swapper/308:08:453
1178599845,24cyclictest0-21swapper/309:01:413
1178599845,22cyclictest0-21swapper/308:48:593
1178599845,14cyclictest0-21swapper/307:54:433
1178599844,33cyclictest0-21swapper/308:18:493
1178599844,21cyclictest0-21swapper/307:03:453
1178599844,13cyclictest0-21swapper/307:58:433
1178599844,11cyclictest4336-21runrttasks07:16:173
11785998427,10cyclictest22962-21wc05:39:053
11785998425,15cyclictest0-21swapper/305:43:483
11785998423,11cyclictest11656-21cpuspeed07:28:453
11785998419,9cyclictest5121-21processes09:43:563
11784998423,54cyclictest0-21swapper/210:24:472
1177799845,72cyclictest0-21swapper/007:33:110
1177799844,50cyclictest0-21swapper/010:19:280
1178599835,27cyclictest0-21swapper/306:09:123
1178599835,24cyclictest20766-21grep10:08:433
1178599835,24cyclictest0-21swapper/310:00:233
1178599834,33cyclictest0-21swapper/306:29:073
1178599834,26cyclictest0-21swapper/309:31:463
11785998326,14cyclictest0-21swapper/306:54:063
11785998320,22cyclictest19574-21telnet09:18:413
11785998316,10cyclictest1745-21gltestperf10:28:433
11785998315,12cyclictest0-21swapper/307:12:483
11784998331,45cyclictest0-21swapper/207:59:022
11784998330,45cyclictest0-21swapper/208:53:292
11784998329,46cyclictest0-21swapper/208:58:572
11784998327,49cyclictest0-21swapper/207:33:562
11784998326,49cyclictest0-21swapper/207:43:492
11784998325,50cyclictest0-21swapper/206:53:582
1177799834,72cyclictest0-21swapper/006:08:480
1177799834,66cyclictest0-21swapper/008:48:320
1177799834,66cyclictest0-21swapper/006:29:020
1177799834,53cyclictest0-21swapper/005:48:360
49202820,14sleep1201ktimersoftd/110:33:401
1178599826,26cyclictest0-21swapper/308:54:123
1178599824,32cyclictest0-21swapper/305:34:043
1178599823,11cyclictest782-21crond06:03:353
1178599823,11cyclictest782-21crond06:03:353
11784998235,30cyclictest14629-21ssh09:58:502
1177799824,70cyclictest0-21swapper/007:03:580
1178599814,34cyclictest0-21swapper/308:05:313
1178599814,34cyclictest0-21swapper/308:05:313
1178599813,34cyclictest0-21swapper/305:24:063
11784998127,47cyclictest0-21swapper/208:08:302
11784998127,47cyclictest0-21swapper/208:08:302
11784998124,49cyclictest0-21swapper/208:37:072
11784998122,52cyclictest0-21swapper/209:31:432
1177799814,69cyclictest0-21swapper/006:58:520
1177799814,59cyclictest0-21swapper/005:39:090
1177799813,9cyclictest12123-21aten2.4-expect05:18:500
1178599804,11cyclictest1329-21cpuspeed_turbos06:03:483
11785998025,11cyclictest18487-21unixbench_multi05:29:103
11784998035,36cyclictest11571-21aten_r1power_vo07:28:442
11784998028,45cyclictest0-21swapper/209:38:242
11784998028,32cyclictest2959-21ssh09:41:422
11784998025,47cyclictest0-21swapper/210:08:392
11784998023,49cyclictest0-21swapper/210:07:062
11784998016,56cyclictest0-21swapper/208:08:522
1177799804,54cyclictest0-21swapper/005:58:440
1177799804,54cyclictest0-21swapper/005:58:440
1178599799,20cyclictest0-21swapper/306:23:343
1178599794,12cyclictest0-21swapper/305:19:083
11784997932,39cyclictest0-21swapper/205:53:492
11784997930,43cyclictest0-21swapper/210:23:252
11784997929,42cyclictest0-21swapper/208:45:582
11784997928,44cyclictest1227-21runrttasks10:45:132
11784997927,45cyclictest0-21swapper/210:30:362
11784997922,49cyclictest0-21swapper/209:03:542
11785997830,10cyclictest27812-21cpuspeed_turbos06:58:453
11784997834,37cyclictest4520-21diskmemload07:38:552
11784997829,42cyclictest0-21swapper/205:28:542
11784997826,33cyclictest0-21swapper/208:13:462
11784997825,46cyclictest0-21swapper/205:38:472
1177799784,52cyclictest0-21swapper/006:53:550
11784997736,34cyclictest12096-21grep09:54:012
11784997730,31cyclictest0-21swapper/206:58:502
11784997728,41cyclictest17710-21grep06:38:342
11784997727,43cyclictest0-21swapper/208:29:022
11784997637,32cyclictest25826-21sh09:28:272
11784997637,32cyclictest25826-21sh09:28:272
11784997636,34cyclictest27183-21timerwakeupswit08:39:062
11784997633,36cyclictest5082-21ssh09:43:562
11784997629,40cyclictest19282-21idleruntime-cro09:18:272
11784997628,33cyclictest0-21swapper/207:48:522
11784997626,29cyclictest0-21swapper/206:14:042
11784997537,11cyclictest7817-21cpu10:38:402
11784997537,11cyclictest7817-21cpu10:38:402
11784997532,20cyclictest16101-21ssh08:23:462
11784997525,43cyclictest0-21swapper/210:35:512
11784997523,45cyclictest0-21swapper/207:18:512
1177799755,61cyclictest11779-21basename05:18:370
1177799755,61cyclictest11779-21basename05:18:370
11784997331,36cyclictest0-21swapper/208:53:512
11784997327,38cyclictest16537-21latency_hist05:28:372
11784997231,35cyclictest21894-21taskset09:20:542
11784997224,31cyclictest0-21swapper/209:48:572
11784997221,44cyclictest0-21swapper/205:18:492
11784997123,41cyclictest0-21swapper/206:03:522
11784997027,36cyclictest0-21swapper/205:49:082
219499690,5rtkit-daemon2193-21rtkit-daemon10:08:421
219499690,4rtkit-daemon2193-21rtkit-daemon07:41:181
11784996928,31cyclictest32062-21if_eth005:58:562
11784996928,31cyclictest32062-21if_eth005:58:562
11784996922,14cyclictest0-21swapper/205:44:082
11784996921,31cyclictest0-21swapper/206:08:512
219499680,5rtkit-daemon2193-21rtkit-daemon09:54:571
11784996838,23cyclictest22001-21grep06:44:072
11784996820,41cyclictest0-21swapper/207:13:462
11784996819,41cyclictest0-21swapper/206:48:422
219499670,4rtkit-daemon2193-21rtkit-daemon10:30:411
219499670,4rtkit-daemon2193-21rtkit-daemon07:22:481
11784996736,24cyclictest9292-21hwlatdetect06:18:542
11784996734,12cyclictest107550irq/46-eth006:24:072
219499660,4rtkit-daemon2193-21rtkit-daemon09:31:431
11784996648,12cyclictest30432-21taskset07:03:492
11784996622,37cyclictest0-21swapper/206:39:452
219499650,4rtkit-daemon2193-21rtkit-daemon08:36:381
219499650,4rtkit-daemon2193-21rtkit-daemon08:32:531
219499650,4rtkit-daemon2193-21rtkit-daemon05:28:451
11784996530,28cyclictest1124-21snmpd07:10:212
11784996422,35cyclictest0-21swapper/205:33:502
11784996239,16cyclictest0-21swapper/205:18:372
11784996239,16cyclictest0-21swapper/205:18:372
11784996032,21cyclictest13309-21cpu06:28:472
11782995940,13cyclictest0-21swapper/108:52:471
151402563,8sleep115143-21ssh09:10:121
11782995624,14cyclictest0-21swapper/109:50:491
11782995621,16cyclictest9523-21df_abs08:13:441
1178299558,28cyclictest0-21swapper/110:28:251
1178299555,14cyclictest0-21swapper/108:12:111
1178299555,14cyclictest0-21swapper/107:35:041
1178299554,32cyclictest0-21swapper/106:29:001
11782995538,11cyclictest6698-21crond09:48:261
1178299553,28cyclictest0-21swapper/105:47:491
11782995515,20cyclictest0-21swapper/110:38:391
11782995515,20cyclictest0-21swapper/110:38:391
219499540,4rtkit-daemon2193-21rtkit-daemon07:30:401
183462542,45sleep118474-21df_abs06:38:501
178242543,11sleep10-21swapper/108:25:211
1178299544,44cyclictest0-21swapper/109:04:021
43612532,44sleep10-21swapper/108:53:551
30902533,11sleep10-21swapper/109:42:131
307032532,44sleep10-21swapper/108:44:191
219499530,4rtkit-daemon2193-21rtkit-daemon10:19:411
1178299538,28cyclictest0-21swapper/106:38:331
1178299535,14cyclictest0-21swapper/107:55:511
1178299534,41cyclictest0-21swapper/108:39:071
1178299534,30cyclictest0-21swapper/105:48:511
11782995321,12cyclictest0-21swapper/109:23:491
11782995321,12cyclictest0-21swapper/109:23:491
219499520,4rtkit-daemon2193-21rtkit-daemon07:50:321
123132522,42sleep10-21swapper/108:18:351
1178299525,28cyclictest0-21swapper/106:13:481
1178299524,29cyclictest0-21swapper/109:58:431
1178299524,28cyclictest0-21swapper/106:48:571
1178299524,27cyclictest24468-21iostat10:13:461
1178299524,23cyclictest0-21swapper/107:23:471
11782995220,14cyclictest0-21swapper/105:18:531
1178299515,14cyclictest0-21swapper/108:04:001
1178299515,14cyclictest0-21swapper/108:04:001
1178299514,27cyclictest0-21swapper/110:05:041
1178299514,27cyclictest0-21swapper/109:35:191
1178299514,27cyclictest0-21swapper/107:08:481
1178299514,27cyclictest0-21swapper/106:24:061
1178299514,26cyclictest0-21swapper/108:00:421
11782995121,25cyclictest16256-21munin-node09:14:021
319502504,39sleep10-21swapper/105:58:551
319502504,39sleep10-21swapper/105:58:551
307702502,11sleep10-21swapper/105:57:381
30542502,11sleep10-21swapper/106:04:561
235112502,11sleep10-21swapper/105:41:171
1178299505,27cyclictest0-21swapper/107:43:381
1178299504,26cyclictest0-21swapper/107:17:521
11782995018,13cyclictest0-21swapper/106:43:471
164312492,11sleep10-21swapper/105:27:231
1178299494,28cyclictest0-21swapper/106:58:471
1178299494,26cyclictest0-21swapper/107:07:471
1178299485,36cyclictest0-21swapper/106:18:461
11782994812,20cyclictest0-21swapper/105:33:471
1178299474,26cyclictest0-21swapper/106:12:181
11785994428,10cyclictest19339-21sendmail_mailqu06:39:043
11785994425,12cyclictest27114-21gltestperf05:48:553
1178599442,17cyclictest0-21swapper/306:43:433
114682424,32sleep30-21swapper/305:15:003
114682424,32sleep30-21swapper/305:15:003
1178299404,30cyclictest0-21swapper/105:18:371
1178299404,30cyclictest0-21swapper/105:18:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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