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2026-04-23 - 00:57

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 highest latencies:
System rack1slot6s.osadl.org (updated Wed Apr 22, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2485991260,7rtkit-daemon0-21swapper/309:53:492
2485991050,7rtkit-daemon0-21swapper/009:03:141
1696821040,5sleep1201ktimersoftd/110:09:411
2893799994,88cyclictest0-21swapper/008:02:460
2893799993,88cyclictest1287-21snmpd09:52:370
2894099984,86cyclictest0-21swapper/309:52:373
2894099954,84cyclictest0-21swapper/308:02:293
2894099954,84cyclictest0-21swapper/308:02:293
2893799954,84cyclictest0-21swapper/007:47:450
2893799953,85cyclictest0-21swapper/010:28:560
248599950,6rtkit-daemon2484-21rtkit-daemon10:06:040
248599950,6rtkit-daemon2484-21rtkit-daemon10:06:040
2894099943,83cyclictest0-21swapper/308:52:423
2893799943,84cyclictest0-21swapper/010:02:070
2893799933,83cyclictest0-21swapper/009:47:180
2893799933,83cyclictest0-21swapper/008:53:010
2893799923,83cyclictest0-21swapper/009:31:140
2893799923,83cyclictest0-21swapper/007:53:390
2893799923,83cyclictest0-21swapper/006:42:590
2893799923,83cyclictest0-21swapper/005:08:070
2894099914,80cyclictest0-21swapper/309:17:573
2894099914,80cyclictest0-21swapper/309:17:573
2894099914,65cyclictest0-21swapper/308:45:243
2893799915,79cyclictest26552-21strings07:12:580
2893799915,79cyclictest26552-21strings07:12:580
2894099904,78cyclictest10945-21df_inode07:37:463
2894099903,79cyclictest30674-21kworker/3:208:17:283
2894099903,79cyclictest0-21swapper/308:18:253
2893799904,80cyclictest0-21swapper/009:09:590
2893799903,81cyclictest0-21swapper/008:32:440
2893799903,80cyclictest11918-21chrt09:13:440
2894099894,78cyclictest0-21swapper/309:15:373
2894099894,77cyclictest21017-21iostat_ios09:27:493
2894099894,63cyclictest0-21swapper/310:12:203
2894099893,79cyclictest0-21swapper/307:49:393
2893799894,78cyclictest0-21swapper/008:17:490
2893799894,78cyclictest0-21swapper/006:22:480
2893799893,80cyclictest0-21swapper/010:15:550
2893799893,80cyclictest0-21swapper/007:09:300
2893799893,78cyclictest16401-21grep06:53:060
2893799893,77cyclictest3703-21diskstats09:02:420
2893799893,77cyclictest14758-21aten_r1power_vo10:07:360
2893799893,50cyclictest0-21swapper/009:34:170
2894099884,77cyclictest0-21swapper/308:50:283
2893799884,77cyclictest0-21swapper/007:28:050
2893799883,79cyclictest0-21swapper/007:37:280
248599880,6rtkit-daemon0-21swapper/006:02:590
2894099874,76cyclictest0-21swapper/310:37:173
2894099874,76cyclictest0-21swapper/310:29:263
2894099873,76cyclictest20593-21cat05:57:353
2894099873,76cyclictest20593-21cat05:57:353
2894099873,68cyclictest6356-21grep09:07:283
28940998711,67cyclictest0-21swapper/307:27:443
2893799874,76cyclictest1287-21snmpd10:22:410
2893799874,76cyclictest0-21swapper/005:47:500
2893799874,76cyclictest0-21swapper/005:47:500
2893799873,78cyclictest25268-21ps07:57:590
2893799873,78cyclictest25268-21ps07:57:590
2893799873,78cyclictest0-21swapper/009:37:340
2893799873,78cyclictest0-21swapper/008:38:010
2893799873,78cyclictest0-21swapper/008:38:010
2893799873,78cyclictest0-21swapper/007:20:270
2893799873,78cyclictest0-21swapper/006:27:490
2893799873,76cyclictest0-21swapper/007:25:250
2893799873,62cyclictest0-21swapper/007:38:510
2894099864,67cyclictest0-21swapper/308:28:203
2893799863,77cyclictest0-21swapper/010:33:500
2893799863,76cyclictest2642-21sensors09:47:550
2893799863,76cyclictest0-21swapper/008:47:410
2893799863,76cyclictest0-21swapper/008:13:220
2893799863,75cyclictest13735-21aten2.4-expect07:42:390
2893799863,75cyclictest0-21swapper/008:28:010
248599860,4rtkit-daemon2484-21rtkit-daemon08:19:162
2894099854,74cyclictest12591-21ntp_states10:02:513
2894099854,74cyclictest12591-21ntp_states10:02:513
2894099854,74cyclictest0-21swapper/308:02:453
2894099854,74cyclictest0-21swapper/306:57:323
2894099854,59cyclictest0-21swapper/308:35:223
2894099853,74cyclictest32210-21cpu08:57:403
2894099853,74cyclictest1419-21runrttasks07:09:433
2894099853,64cyclictest1887-21gltestperf09:47:443
28937998540,38cyclictest0-21swapper/008:42:390
2893799853,76cyclictest0-21swapper/008:57:490
2893799853,75cyclictest0-21swapper/010:17:510
2893799853,75cyclictest0-21swapper/009:19:460
2893799853,75cyclictest0-21swapper/009:19:460
2893799853,63cyclictest0-21swapper/008:26:220
2894099844,73cyclictest0-21swapper/310:24:263
2894099844,73cyclictest0-21swapper/310:17:533
2894099844,71cyclictest17021-21df_abs09:22:413
2894099844,71cyclictest0-21swapper/306:02:363
2894099844,65cyclictest0-21swapper/307:21:023
2894099844,63cyclictest0-21swapper/309:32:333
2894099844,61cyclictest0-21swapper/308:07:453
2894099843,9cyclictest31597-21sort09:42:563
2894099843,67cyclictest0-21swapper/305:37:413
2894099843,52cyclictest1287-21snmpd07:26:343
28940998413,64cyclictest18906-21wc08:37:433
28940998413,64cyclictest18906-21wc08:37:433
2893799844,52cyclictest0-21swapper/009:22:470
2893799843,75cyclictest30591-21aten_r1power_cu08:07:390
2893799843,74cyclictest0-21swapper/005:52:450
2893799843,74cyclictest0-21swapper/005:52:450
248599840,29rtkit-daemon0-21swapper/005:33:071
2894099834,62cyclictest0-21swapper/310:13:123
2894099834,56cyclictest26025-21fschecks_time07:12:503
2894099834,56cyclictest26025-21fschecks_time07:12:503
2894099834,51cyclictest0-21swapper/309:41:403
2894099834,45cyclictest0-21swapper/307:44:003
2893799834,73cyclictest0-21swapper/005:37:450
2893799834,72cyclictest0-21swapper/006:36:010
2893799834,72cyclictest0-21swapper/006:36:010
2893799833,74cyclictest0-21swapper/006:42:050
2894099824,60cyclictest0-21swapper/306:22:023
2894099824,60cyclictest0-21swapper/305:52:343
2894099824,60cyclictest0-21swapper/305:52:343
2894099814,71cyclictest0-21swapper/306:27:383
2894099814,62cyclictest8039-21irqstats07:32:533
2894099814,58cyclictest0-21swapper/309:09:263
2894099814,58cyclictest0-21swapper/305:22:583
2894099813,69cyclictest8837-21hwlatdetect09:57:463
2893799813,70cyclictest0-21swapper/005:27:560
2894099804,64cyclictest0-21swapper/308:25:193
2894099804,54cyclictest0-21swapper/306:43:053
2893799803,70cyclictest0-21swapper/005:23:080
2894099794,68cyclictest0-21swapper/307:52:423
2894099794,68cyclictest0-21swapper/305:12:543
2893799794,68cyclictest0-21swapper/005:33:000
2893799794,67cyclictest0-21swapper/005:15:330
2894099784,61cyclictest0-21swapper/305:11:503
28940997821,36cyclictest0-21swapper/306:38:033
2894099782,58cyclictest0-21swapper/307:02:093
2894099773,9cyclictest1685-21nscd06:32:593
2894099773,9cyclictest1685-21nscd06:32:593
2893799773,68cyclictest0-21swapper/005:43:090
248599770,5rtkit-daemon2484-21rtkit-daemon07:39:402
2894099767,53cyclictest0-21swapper/305:32:463
2894099764,65cyclictest0-21swapper/307:02:503
2894099764,58cyclictest0-21swapper/306:22:513
2894099764,50cyclictest0-21swapper/305:27:403
2893799763,68cyclictest18989-21taskset06:58:430
2893799763,66cyclictest0-21swapper/005:18:010
2894099758,45cyclictest23297-21telnet06:02:463
2894099754,51cyclictest0-21swapper/306:07:453
2894099752,58cyclictest0-21swapper/306:52:073
2893799753,66cyclictest0-21swapper/006:47:430
2893799743,56cyclictest0-21swapper/007:07:090
2893799733,64cyclictest0-21swapper/006:17:460
2893799733,39cyclictest0-21swapper/005:57:460
2894099724,59cyclictest0-21swapper/306:12:453
2894099723,61cyclictest0-21swapper/305:21:403
2893799723,37cyclictest0-21swapper/006:08:000
2893999715,55cyclictest0-21swapper/207:44:092
2894099703,47cyclictest14371-21gltestperf05:42:553
2893799703,61cyclictest0-21swapper/006:15:330
2893999694,57cyclictest0-21swapper/208:02:422
2893999694,56cyclictest0-21swapper/208:57:542
2893899694,55cyclictest0-21swapper/109:42:351
2893899685,54cyclictest0-21swapper/110:32:231
2894099674,55cyclictest0-21swapper/305:07:373
2893999674,55cyclictest0-21swapper/207:52:412
248599670,5rtkit-daemon2484-21rtkit-daemon07:35:102
248599670,4rtkit-daemon2484-21rtkit-daemon08:15:232
2893999664,55cyclictest0-21swapper/209:47:452
2893799665,52cyclictest1039-21dbus-daemon05:07:360
248599660,5rtkit-daemon2484-21rtkit-daemon07:18:412
248599660,5rtkit-daemon2484-21rtkit-daemon06:42:572
248599660,4rtkit-daemon2484-21rtkit-daemon09:23:512
248599660,4rtkit-daemon2484-21rtkit-daemon07:02:192
2893999655,52cyclictest1419-21runrttasks08:57:022
248599650,5rtkit-daemon2484-21rtkit-daemon07:13:262
248599650,5rtkit-daemon2484-21rtkit-daemon07:13:262
248599650,5rtkit-daemon2484-21rtkit-daemon07:02:492
248599650,4rtkit-daemon2484-21rtkit-daemon09:58:192
2893999644,53cyclictest0-21swapper/210:33:012
2893999644,53cyclictest0-21swapper/209:02:472
2893999644,53cyclictest0-21swapper/208:37:452
2893999644,53cyclictest0-21swapper/208:37:452
2893999644,53cyclictest0-21swapper/207:22:562
248599640,4rtkit-daemon2484-21rtkit-daemon08:34:532
248599640,4rtkit-daemon2484-21rtkit-daemon08:22:382
248599640,4rtkit-daemon2484-21rtkit-daemon06:16:582
292312637,47sleep20-21swapper/210:27:492
2893999635,50cyclictest0-21swapper/208:42:492
2893999635,50cyclictest0-21swapper/206:32:482
2893999635,50cyclictest0-21swapper/206:32:482
2893999634,43cyclictest0-21swapper/207:30:122
28938996343,14cyclictest0-21swapper/110:12:391
248599630,4rtkit-daemon2484-21rtkit-daemon10:03:272
248599630,4rtkit-daemon2484-21rtkit-daemon10:03:272
248599630,4rtkit-daemon2484-21rtkit-daemon09:30:352
114042633,51sleep211508-21cpuspeed_turbos05:37:482
2893999624,48cyclictest0-21swapper/207:57:412
2893999624,48cyclictest0-21swapper/207:57:412
2893999613,52cyclictest0-21swapper/208:10:382
248599610,6rtkit-daemon0-21swapper/005:48:371
248599610,6rtkit-daemon0-21swapper/005:48:371
28938996040,11cyclictest739-21unixbench_multi10:32:561
28938996039,13cyclictest25551-21unixbench-2d07:58:031
28938996039,13cyclictest25551-21unixbench-2d07:58:031
28938996029,15cyclictest0-21swapper/107:17:451
248599600,6rtkit-daemon0-21swapper/005:12:161
300612594,48sleep10-21swapper/106:17:331
2893999594,47cyclictest0-21swapper/208:28:042
2893999594,38cyclictest0-21swapper/206:28:012
2893999593,48cyclictest0-21swapper/209:07:432
28939995922,29cyclictest27559-21sshd10:26:372
28939995917,24cyclictest0-21swapper/208:48:002
2893899595,46cyclictest0-21swapper/108:27:441
2893899593,50cyclictest0-21swapper/109:52:351
2893899593,48cyclictest0-21swapper/109:22:471
248599590,6rtkit-daemon0-21swapper/009:15:431
2893999585,37cyclictest0-21swapper/210:12:542
2893999584,47cyclictest0-21swapper/206:47:452
2893999584,45cyclictest0-21swapper/209:33:002
2893999584,37cyclictest0-21swapper/206:06:592
28939995839,11cyclictest7258-21grep05:27:542
2893899584,45cyclictest0-21swapper/107:52:321
2893899583,48cyclictest0-21swapper/109:08:391
28938995817,35cyclictest22906-21if_err_eth007:07:521
284132582,11sleep10-21swapper/107:17:151
284132582,11sleep10-21swapper/107:17:151
248599580,6rtkit-daemon0-21swapper/008:46:451
60112572,47sleep10-21swapper/106:32:531
60112572,47sleep10-21swapper/106:32:531
2893999574,46cyclictest0-21swapper/209:17:312
2893999574,46cyclictest0-21swapper/209:17:312
2893999573,47cyclictest18605-21python07:48:002
2893899577,41cyclictest0-21swapper/107:52:311
2893899575,45cyclictest0-21swapper/108:47:431
2893899574,46cyclictest0-21swapper/108:15:291
2893899573,48cyclictest0-21swapper/109:00:311
2893899573,47cyclictest0-21swapper/108:56:431
2893899573,46cyclictest0-21swapper/105:57:341
2893899573,46cyclictest0-21swapper/105:57:341
9432564,45sleep10-21swapper/109:47:321
2893999564,45cyclictest0-21swapper/210:17:462
2893999564,45cyclictest0-21swapper/205:08:012
2893999564,35cyclictest0-21swapper/207:08:242
2893999564,27cyclictest16227-21ssh10:07:572
28939995637,11cyclictest7931-21cpuspeed_turbos06:37:472
2893899564,45cyclictest0-21swapper/108:37:521
2893899564,45cyclictest0-21swapper/108:37:521
2893899564,13cyclictest0-21swapper/108:23:011
2893899563,47cyclictest0-21swapper/109:19:471
2893899563,47cyclictest0-21swapper/109:19:471
2893899563,47cyclictest0-21swapper/107:26:521
2893899563,46cyclictest0-21swapper/109:27:301
311462553,9sleep231226-21hwlatdetect06:17:542
2893999555,15cyclictest0-21swapper/209:14:482
2893999554,31cyclictest0-21swapper/209:44:292
2893899553,47cyclictest0-21swapper/108:12:281
2893899553,46cyclictest0-21swapper/110:26:271
2893899553,46cyclictest0-21swapper/107:37:121
6512543,43sleep1787-21df_abs06:22:491
57672542,45sleep10-21swapper/107:29:251
2893999543,43cyclictest14481-21yum-updatesd-he06:52:492
2893999543,43cyclictest0-21swapper/209:37:392
28939995413,22cyclictest0-21swapper/205:42:482
2893899545,26cyclictest0-21swapper/105:12:471
2893899544,43cyclictest0-21swapper/109:57:481
2893899543,46cyclictest0-21swapper/110:18:561
2893899543,46cyclictest0-21swapper/109:40:001
2893899543,46cyclictest0-21swapper/107:44:141
2893899543,45cyclictest0-21swapper/108:35:061
2893899543,45cyclictest0-21swapper/108:03:371
2893999535,39cyclictest0-21swapper/205:12:582
2893999534,26cyclictest0-21swapper/206:25:372
28938995334,12cyclictest0-21swapper/108:19:571
2893899533,45cyclictest0-21swapper/109:34:081
2893899533,45cyclictest0-21swapper/107:40:331
28938995322,14cyclictest0-21swapper/106:02:501
133292533,10sleep113330-21crond05:42:351
28938995222,13cyclictest0-21swapper/106:52:331
2893999515,38cyclictest0-21swapper/205:23:032
2893999513,7cyclictest18109-21yum-updatesd-he05:52:452
2893999513,7cyclictest18109-21yum-updatesd-he05:52:452
2893899519,34cyclictest0-21swapper/106:08:041
2893899514,38cyclictest12103-21munin-run06:47:331
2893899513,42cyclictest0-21swapper/105:57:461
28938995113,17cyclictest0-21swapper/106:17:341
2893899505,27cyclictest0-21swapper/106:57:081
2893899504,24cyclictest0-21swapper/110:02:411
2893899504,24cyclictest0-21swapper/110:02:411
2893899503,41cyclictest0-21swapper/106:28:021
2893899503,41cyclictest0-21swapper/105:22:491
2893999494,26cyclictest0-21swapper/205:19:392
2893999494,23cyclictest0-21swapper/205:57:462
2893899493,41cyclictest0-21swapper/106:37:451
2893899492,41cyclictest0-21swapper/105:17:471
156262492,40sleep10-21swapper/105:46:211
2893999485,29cyclictest0-21swapper/206:07:572
2893999485,27cyclictest0-21swapper/205:51:572
2893999485,27cyclictest0-21swapper/205:51:572
28939994819,13cyclictest0-21swapper/205:32:552
2893899484,27cyclictest0-21swapper/107:07:091
83752472,40sleep10-21swapper/105:30:131
28938994627,12cyclictest18833-21unixbench_multi06:58:051
2893999425,31cyclictest0-21swapper/205:07:372
2893899418,23cyclictest0-21swapper/105:07:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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