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2026-04-27 - 17:42

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 Mon Apr 27, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2507799948,19cyclictest1287-21snmpd08:07:010
2507799933,38cyclictest7210-21ssh08:21:250
2507799924,24cyclictest0-21swapper/008:12:040
2507799924,24cyclictest0-21swapper/008:12:040
25077999216,11cyclictest24388-21cpuspeed_turbos10:22:550
2507799917,23cyclictest0-21swapper/010:18:090
2507799914,25cyclictest0-21swapper/008:35:130
2507799903,35cyclictest0-21swapper/009:17:580
2507799903,25cyclictest0-21swapper/009:03:010
2507799903,25cyclictest0-21swapper/007:36:250
2507799903,24cyclictest0-21swapper/007:56:390
2507799894,36cyclictest0-21swapper/008:58:040
2507799894,26cyclictest0-21swapper/007:42:030
2507799894,25cyclictest0-21swapper/009:17:150
2507799893,24cyclictest0-21swapper/009:08:140
2507799893,21cyclictest16582-21yum-updatesd-he07:48:130
25077998918,12cyclictest0-21swapper/009:53:080
245732890,4chrt24566-21ssh08:47:471
2507799885,24cyclictest0-21swapper/007:04:160
2507799885,13cyclictest0-21swapper/008:38:050
2507799884,37cyclictest0-21swapper/008:43:150
2507799884,37cyclictest0-21swapper/007:08:090
2507799884,28cyclictest0-21swapper/010:03:020
25077998817,9cyclictest794-21ssh09:47:580
25077998817,8cyclictest25743-21ssh08:48:110
2507799875,27cyclictest0-21swapper/008:55:180
2507799874,27cyclictest0-21swapper/009:28:080
2507799874,27cyclictest0-21swapper/009:28:080
2507799874,25cyclictest0-21swapper/009:57:550
2507799874,25cyclictest0-21swapper/007:43:030
2507799874,24cyclictest0-21swapper/010:31:220
2507799873,27cyclictest0-21swapper/008:28:050
25077998725,10cyclictest1419-21runrttasks05:48:180
2507799864,75cyclictest0-21swapper/009:23:530
2507799864,38cyclictest0-21swapper/010:12:430
2507799864,33cyclictest0-21swapper/009:37:440
2507799863,32cyclictest0-21swapper/009:46:450
2507799863,26cyclictest0-21swapper/007:31:530
25077998617,9cyclictest121850irq/46-eth007:23:040
25077998617,9cyclictest121850irq/46-eth007:23:040
2507799854,34cyclictest0-21swapper/005:57:530
25077998532,9cyclictest13872-21grep06:53:070
2507799853,26cyclictest0-21swapper/008:24:400
2507799847,19cyclictest0-21swapper/008:13:480
2507799844,34cyclictest0-21swapper/010:13:140
2507799844,27cyclictest0-21swapper/007:18:120
2507799844,24cyclictest0-21swapper/007:17:350
2507799838,21cyclictest0-21swapper/009:40:010
2507799837,19cyclictest0-21swapper/008:00:380
2507799834,26cyclictest0-21swapper/005:38:090
2507799834,25cyclictest0-21swapper/005:15:310
2507799834,25cyclictest0-21swapper/005:15:310
25077998333,8cyclictest16532-21gltestperf06:58:100
25077998330,8cyclictest5581-21grep05:28:110
2507799824,37cyclictest0-21swapper/006:28:020
2507799824,35cyclictest0-21swapper/005:25:410
2507799823,25cyclictest0-21swapper/006:12:520
2507799814,23cyclictest0-21swapper/006:43:040
2507799814,23cyclictest0-21swapper/006:43:040
2507799814,15cyclictest0-21swapper/005:46:370
2507799813,38cyclictest0-21swapper/006:04:480
25077998129,10cyclictest26070-21tune2fs05:03:130
2507799804,26cyclictest0-21swapper/006:33:490
2507799794,22cyclictest0-21swapper/006:23:030
2507799784,11cyclictest0-21swapper/005:08:140
141202780,14sleep12508399cyclictest07:43:091
2507799773,23cyclictest0-21swapper/006:38:030
248599640,5rtkit-daemon2484-21rtkit-daemon08:25:222
45002634,51sleep20-21swapper/209:03:412
25083996221,22cyclictest624-21ssh09:47:571
2508399614,39cyclictest0-21swapper/109:21:131
2508599605,48cyclictest0-21swapper/307:59:283
2508599604,48cyclictest0-21swapper/307:43:023
2508599603,10cyclictest1419-21runrttasks08:47:573
2508399604,40cyclictest0-21swapper/109:38:441
2508399604,38cyclictest0-21swapper/109:46:361
2508399604,35cyclictest0-21swapper/108:22:191
2508399604,29cyclictest0-21swapper/109:22:591
121612603,11sleep10-21swapper/109:17:061
25084995937,14cyclictest0-21swapper/208:48:052
25084995931,12cyclictest0-21swapper/210:02:572
2508399593,27cyclictest0-21swapper/109:52:581
2507799593,13cyclictest0-21swapper/006:48:000
291262582,18sleep20-21swapper/208:05:282
2508599585,45cyclictest23816-21kworker/3:007:18:233
2508599584,47cyclictest0-21swapper/309:08:103
2508599584,47cyclictest0-21swapper/307:33:113
25085995816,34cyclictest22765-21ssh07:08:183
2508499584,47cyclictest0-21swapper/207:03:222
2508399585,30cyclictest0-21swapper/108:48:011
2508399585,29cyclictest0-21swapper/107:48:101
25083995822,13cyclictest0-21swapper/108:12:061
25083995822,13cyclictest0-21swapper/108:12:061
25083995811,24cyclictest0-21swapper/105:58:031
25083995811,24cyclictest0-21swapper/105:58:031
2508599576,43cyclictest0-21swapper/309:33:023
2508599575,45cyclictest0-21swapper/308:58:183
2508599575,44cyclictest0-21swapper/308:18:003
2508599574,46cyclictest0-21swapper/309:27:553
2508599574,46cyclictest0-21swapper/309:27:553
2508599574,46cyclictest0-21swapper/308:52:543
2508599574,46cyclictest0-21swapper/308:05:433
2508599574,45cyclictest0-21swapper/309:45:323
25085995720,31cyclictest18057-21swap07:48:193
25084995730,13cyclictest0-21swapper/208:35:282
25084995730,12cyclictest0-21swapper/205:23:202
2508499573,46cyclictest17603-21irqstats07:48:102
25084995713,9cyclictest281ktimersoftd/208:13:212
2508399576,28cyclictest0-21swapper/107:34:141
2508399576,26cyclictest24362-21irqstats07:58:131
2508399575,29cyclictest0-21swapper/106:28:071
2508399575,28cyclictest0-21swapper/108:28:061
2508399575,28cyclictest0-21swapper/108:23:061
2508399575,28cyclictest0-21swapper/105:53:221
2508399575,27cyclictest6474-21df_inode09:08:001
2508399575,27cyclictest0-21swapper/109:03:181
2508399575,27cyclictest0-21swapper/105:33:251
2508399574,31cyclictest0-21swapper/107:18:171
2508399574,28cyclictest0-21swapper/109:33:161
2508399574,27cyclictest0-21swapper/105:12:551
2508399573,35cyclictest17096-21ssh08:35:431
25083995728,10cyclictest21533-21fschecks_time10:17:591
25083995722,26cyclictest25346-21netstat10:23:071
1633325718,32sleep316338-21rm10:10:013
2508599565,44cyclictest21434-21ssh07:53:203
2508599565,44cyclictest0-21swapper/308:32:593
2508599565,43cyclictest0-21swapper/310:06:363
2508599565,43cyclictest0-21swapper/307:04:083
2508599564,45cyclictest0-21swapper/309:42:413
2508599564,45cyclictest0-21swapper/308:45:473
2508599564,45cyclictest0-21swapper/307:27:593
2508599564,44cyclictest0-21swapper/308:12:583
2508599564,44cyclictest0-21swapper/307:22:503
2508599564,44cyclictest0-21swapper/307:22:503
2508599563,46cyclictest0-21swapper/309:47:543
2508499568,41cyclictest0-21swapper/207:08:112
2508499564,13cyclictest0-21swapper/208:08:242
2508499564,13cyclictest0-21swapper/208:08:242
25084995630,12cyclictest0-21swapper/209:36:392
25084995630,12cyclictest0-21swapper/208:18:522
2508499563,44cyclictest0-21swapper/209:52:552
2508399565,28cyclictest0-21swapper/107:03:121
2508399565,28cyclictest0-21swapper/106:08:091
2508399565,28cyclictest0-21swapper/105:28:261
2508399565,27cyclictest0-21swapper/110:28:041
2508399565,27cyclictest0-21swapper/107:08:021
2508399564,26cyclictest28175-21python08:03:181
2508399563,36cyclictest0-21swapper/108:56:341
85902553,12sleep20-21swapper/207:34:242
58782553,44sleep10-21swapper/106:37:521
2508599555,43cyclictest0-21swapper/309:04:353
2508599555,43cyclictest0-21swapper/307:40:563
2508599555,41cyclictest8903-21iostat08:23:073
2508599554,45cyclictest0-21swapper/310:28:053
2508599554,45cyclictest0-21swapper/310:00:143
2508599554,45cyclictest0-21swapper/305:50:303
2508599554,44cyclictest0-21swapper/310:23:343
2508599554,44cyclictest0-21swapper/308:38:113
2508599554,44cyclictest0-21swapper/307:13:153
2508599554,43cyclictest0-21swapper/309:54:053
2508599553,45cyclictest0-21swapper/308:28:553
25085995517,22cyclictest17488-21aten_r1power_vo10:12:543
2508399555,29cyclictest0-21swapper/107:17:501
2508399555,26cyclictest4939-21users07:28:241
2508399554,29cyclictest0-21swapper/105:18:311
25083995522,13cyclictest0-21swapper/110:11:431
25083995519,20cyclictest11120-21grep07:38:161
248599550,5rtkit-daemon2484-21rtkit-daemon09:07:582
220392553,7sleep122041-21sh07:54:141
2508599544,44cyclictest0-21swapper/309:22:023
25084995436,11cyclictest10166-21grep07:38:032
2508499543,44cyclictest0-21swapper/209:48:062
25084995428,12cyclictest0-21swapper/210:00:322
25084995428,11cyclictest0-21swapper/210:16:052
25084995419,30cyclictest379-21hwlatdetect07:23:092
25084995419,30cyclictest379-21hwlatdetect07:23:092
25084995418,30cyclictest11409-21df_abs06:48:082
2508399545,31cyclictest0-21swapper/108:42:211
2508399545,28cyclictest11793-21memory10:03:071
46932534,10sleep10-21swapper/105:27:471
2508599534,43cyclictest29705-21tail06:18:133
2508599534,43cyclictest11523-21taskset09:14:463
2508499537,20cyclictest22933-21ssh10:19:292
2508499533,44cyclictest0-21swapper/207:18:182
25084995317,30cyclictest281ktimersoftd/207:46:372
2508399534,42cyclictest0-21swapper/109:01:541
248599530,5rtkit-daemon2484-21rtkit-daemon10:28:022
248599530,5rtkit-daemon2484-21rtkit-daemon09:37:492
248599530,5rtkit-daemon2484-21rtkit-daemon08:44:142
142662534,42sleep20-21swapper/206:53:132
25084995233,13cyclictest0-21swapper/208:28:042
25084995232,14cyclictest0-21swapper/209:43:032
25084995231,10cyclictest0-21swapper/208:58:072
2508499523,42cyclictest0-21swapper/206:08:072
2508399527,34cyclictest11553-21fschecks_time06:48:101
2508399525,30cyclictest0-21swapper/109:58:001
248599520,5rtkit-daemon2484-21rtkit-daemon10:26:102
59082513,42sleep20-21swapper/207:31:542
302912513,10sleep10-21swapper/105:13:081
302912513,10sleep10-21swapper/105:13:081
2508599514,41cyclictest0-21swapper/309:24:063
2508499514,40cyclictest0-21swapper/208:53:152
2508499514,39cyclictest0-21swapper/208:38:042
2508499513,42cyclictest0-21swapper/207:55:002
25084995120,25cyclictest281ktimersoftd/209:23:052
25083995122,13cyclictest0-21swapper/106:38:241
25083995119,11cyclictest25299-21munin-node05:03:251
173112513,10sleep10-21swapper/110:12:451
153652512,9sleep30-21swapper/306:57:043
5992502,10sleep30-21swapper/306:23:513
56452502,9sleep30-21swapper/306:35:083
2508499503,41cyclictest0-21swapper/209:17:482
2508499503,41cyclictest0-21swapper/207:58:212
2508499503,40cyclictest0-21swapper/209:28:112
2508499503,40cyclictest0-21swapper/209:28:112
2508499502,43cyclictest0-21swapper/207:13:152
2508399505,27cyclictest0-21swapper/106:23:191
2508399505,23cyclictest32056-21aten2.4-expect07:23:011
2508399505,23cyclictest32056-21aten2.4-expect07:23:011
2508399505,22cyclictest0-21swapper/106:43:041
2508399505,22cyclictest0-21swapper/106:43:041
25083995021,13cyclictest0-21swapper/109:29:501
25083995021,13cyclictest0-21swapper/109:29:501
2507799505,28cyclictest0-21swapper/006:13:190
248599500,5rtkit-daemon2484-21rtkit-daemon10:07:562
233232502,9sleep30-21swapper/310:20:583
80232493,10sleep30-21swapper/306:40:043
25085994935,9cyclictest30897-21ssh08:08:073
25085994935,9cyclictest30897-21ssh08:08:073
2508499493,41cyclictest0-21swapper/209:17:452
2508399495,28cyclictest0-21swapper/105:38:101
2508399495,14cyclictest0-21swapper/108:13:171
2508399495,13cyclictest0-21swapper/106:13:211
2508399494,28cyclictest0-21swapper/105:48:061
2508399494,27cyclictest0-21swapper/105:47:541
25083994930,12cyclictest22005-21cpuspeed_turbos06:03:061
2507799494,28cyclictest0-21swapper/006:18:070
211432492,9sleep20-21swapper/205:59:072
211432492,9sleep20-21swapper/205:59:072
169262492,9sleep30-21swapper/305:53:043
153832494,39sleep10-21swapper/106:57:191
142172492,9sleep30-21swapper/305:47:323
6082482,40sleep20-21swapper/206:23:582
37072482,39sleep20-21swapper/206:33:012
319042482,10sleep30-21swapper/305:13:503
319042482,10sleep30-21swapper/305:13:503
297232484,38sleep20-21swapper/206:18:142
2508599484,27cyclictest0-21swapper/305:10:303
25085994820,9cyclictest13144-21cat06:52:513
92392472,39sleep30-21swapper/305:34:503
44692472,9sleep30-21swapper/305:24:513
34662472,39sleep30-21swapper/306:32:503
274172472,37sleep20-21swapper/205:07:372
2508599475,26cyclictest0-21swapper/306:43:263
2508599475,26cyclictest0-21swapper/306:43:263
2508599474,27cyclictest0-21swapper/305:07:553
25085994730,9cyclictest26781-21cpuspeed_turbos06:13:063
25084994730,11cyclictest16014-21grep06:58:052
2508399475,34cyclictest0-21swapper/106:22:521
2507799474,26cyclictest0-21swapper/005:18:280
175462473,9sleep10-21swapper/106:59:241
9112462,10sleep20-21swapper/205:18:172
68412462,10sleep20-21swapper/205:29:412
2508599464,35cyclictest0-21swapper/307:02:513
2508599464,24cyclictest7123-21sort05:32:543
25084994631,10cyclictest3078-21unixbench_singl06:28:242
2508499463,37cyclictest0-21swapper/205:48:122
25077994618,10cyclictest7864-21df05:33:080
235892463,10sleep20-21swapper/206:04:522
105902462,9sleep20-21swapper/206:47:242
105902462,9sleep20-21swapper/206:47:242
79602452,36sleep20-21swapper/206:39:142
258932452,37sleep30-21swapper/306:08:443
2508599454,12cyclictest0-21swapper/306:07:533
25084994529,10cyclictest27297-21sed06:13:112
249202454,34sleep00-21swapper/005:01:180
20182452,10sleep30-21swapper/305:20:313
2508499444,12cyclictest0-21swapper/205:53:062
25084994429,10cyclictest31540-21switchtime05:13:252
25084994429,10cyclictest31540-21switchtime05:13:252
2508499442,36cyclictest0-21swapper/205:33:112
193812444,34sleep00-21swapper/005:58:050
193812444,34sleep00-21swapper/005:58:050
140942442,36sleep20-21swapper/205:45:532
2508599434,23cyclictest0-21swapper/305:38:113
298162422,10sleep20-21swapper/205:12:492
25085994211,24cyclictest0-21swapper/305:58:043
25085994211,24cyclictest0-21swapper/305:58:043
2508499423,34cyclictest0-21swapper/205:38:102
247172404,30sleep30-21swapper/304:58:403
2508399375,25cyclictest0-21swapper/105:02:551
2508499343,8cyclictest0-21swapper/205:02:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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