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2026-03-12 - 15:40

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Thu Mar 12, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
222789910139,10cyclictest0-21swapper/008:41:320
2228199974,86cyclictest0-21swapper/210:41:382
2228199963,86cyclictest28845-21cpuspeed_turbos09:41:092
2227899965,32cyclictest0-21swapper/007:16:370
2227899964,37cyclictest0-21swapper/007:51:140
2227899954,24cyclictest0-21swapper/009:46:420
2228199944,82cyclictest0-21swapper/209:56:222
2227899944,42cyclictest0-21swapper/008:03:280
2227899944,25cyclictest0-21swapper/010:26:400
22278999438,49cyclictest0-21swapper/011:10:340
22278999438,49cyclictest0-21swapper/010:54:580
22278999438,49cyclictest0-21swapper/010:54:580
22278999424,14cyclictest0-21swapper/010:01:110
2228199933,83cyclictest0-21swapper/211:04:302
2227899935,29cyclictest0-21swapper/008:54:390
2227899935,10cyclictest8648-21cpuspeed_turbos09:11:100
2227899934,41cyclictest0-21swapper/009:55:140
2227899934,39cyclictest0-21swapper/009:38:300
2227899934,24cyclictest0-21swapper/008:36:200
22278999336,50cyclictest0-21swapper/009:31:120
2227899924,34cyclictest0-21swapper/009:26:080
2227899924,34cyclictest0-21swapper/008:06:150
2227899924,13cyclictest0-21swapper/011:03:220
2227899923,38cyclictest0-21swapper/008:31:310
2227899915,36cyclictest0-21swapper/009:21:330
2227899914,36cyclictest0-21swapper/008:16:340
2227899914,36cyclictest0-21swapper/008:16:340
2227899914,13cyclictest0-21swapper/010:36:160
22278999130,10cyclictest6828-21unixbench_singl09:06:310
22278999121,23cyclictest0-21swapper/008:29:120
2228199903,79cyclictest12758-21ssh08:28:422
2228199903,67cyclictest0-21swapper/207:59:112
2227899906,34cyclictest0-21swapper/008:21:260
22278999041,43cyclictest0-21swapper/010:24:080
2227899904,34cyclictest0-21swapper/007:26:320
2227899904,27cyclictest0-21swapper/010:11:140
2227899904,27cyclictest0-21swapper/005:51:170
22278999027,13cyclictest0-21swapper/008:46:090
22278999020,12cyclictest0-21swapper/009:03:170
22278999019,12cyclictest0-21swapper/006:36:170
248599890,4rtkit-daemon2484-21rtkit-daemon05:46:243
2228199893,77cyclictest0-21swapper/209:17:382
2228199893,65cyclictest0-21swapper/207:46:172
2228199893,44cyclictest0-21swapper/208:36:122
2227899894,40cyclictest0-21swapper/010:16:080
2227899894,40cyclictest0-21swapper/010:16:080
2227899894,34cyclictest0-21swapper/010:06:210
2227899894,34cyclictest0-21swapper/005:56:330
2227899894,26cyclictest0-21swapper/009:16:110
2227899894,14cyclictest0-21swapper/011:11:060
22278998935,46cyclictest0-21swapper/010:41:200
22278998934,12cyclictest31347-21grep06:01:380
22278998930,12cyclictest0-21swapper/008:56:230
22278998930,12cyclictest0-21swapper/008:56:230
2228199883,65cyclictest0-21swapper/208:46:162
2227899885,27cyclictest0-21swapper/008:00:460
2227899884,33cyclictest0-21swapper/006:51:170
2227899884,33cyclictest0-21swapper/006:51:170
2227899884,25cyclictest0-21swapper/010:50:250
22278998838,43cyclictest0-21swapper/008:11:220
22278998837,10cyclictest0-21swapper/010:33:180
22278998821,12cyclictest0-21swapper/007:36:120
22278998819,12cyclictest0-21swapper/009:43:000
2228199873,63cyclictest0-21swapper/208:51:182
2228199873,63cyclictest0-21swapper/208:04:272
2227899874,26cyclictest0-21swapper/010:58:090
22278998730,12cyclictest0-21swapper/007:46:560
2228199865,73cyclictest0-21swapper/210:49:552
2228199865,64cyclictest0-21swapper/207:51:332
2228199864,75cyclictest0-21swapper/208:44:242
2228199864,75cyclictest0-21swapper/206:56:032
2228199864,75cyclictest0-21swapper/206:56:032
2228199864,74cyclictest0-21swapper/209:46:252
2228199864,74cyclictest0-21swapper/207:21:242
2228199864,63cyclictest0-21swapper/209:13:172
2228199864,63cyclictest0-21swapper/208:11:122
2228199864,61cyclictest1419-21runrttasks09:01:082
2228199863,76cyclictest373-21ssh10:35:202
2228199863,75cyclictest3444-21ssh10:38:282
2228199863,67cyclictest0-21swapper/210:51:042
2228199863,67cyclictest0-21swapper/210:51:042
2228199863,67cyclictest0-21swapper/209:07:392
2228199863,63cyclictest0-21swapper/208:24:152
2228199855,72cyclictest0-21swapper/210:12:512
2228199854,64cyclictest0-21swapper/210:01:122
2228199853,74cyclictest0-21swapper/210:23:252
2228199853,73cyclictest0-21swapper/209:24:002
2228199853,61cyclictest0-21swapper/210:08:112
2228199844,72cyclictest0-21swapper/209:26:452
2228199844,63cyclictest25251-21tune2fs11:11:092
2228199844,46cyclictest26716-21fschecks_time07:01:212
2228199843,62cyclictest0-21swapper/209:38:362
2228199834,60cyclictest0-21swapper/208:07:362
2228199834,47cyclictest0-21swapper/208:34:562
2228199833,72cyclictest0-21swapper/208:20:562
2228199833,72cyclictest0-21swapper/208:20:562
2228199833,71cyclictest0-21swapper/206:21:042
2228199833,64cyclictest0-21swapper/206:31:142
2228199833,48cyclictest20569-21grep06:46:352
2227899834,38cyclictest0-21swapper/007:11:190
2227899834,28cyclictest0-21swapper/007:06:270
2228199824,71cyclictest0-21swapper/206:36:222
2228199824,62cyclictest0-21swapper/210:26:252
2228199823,72cyclictest3296-21ssh09:51:082
2228199823,71cyclictest0-21swapper/207:11:272
2228199823,59cyclictest0-21swapper/209:33:082
2228199823,55cyclictest0-21swapper/208:57:182
2228199823,55cyclictest0-21swapper/208:57:182
2228199814,61cyclictest0-21swapper/211:06:412
2228199814,61cyclictest0-21swapper/210:56:512
2228199814,59cyclictest1419-21runrttasks10:16:062
2228199814,59cyclictest1419-21runrttasks10:16:062
2228199814,54cyclictest0-21swapper/206:41:162
2228199813,70cyclictest0-21swapper/205:46:242
22280998123,51cyclictest0-21swapper/110:29:191
2227899814,33cyclictest0-21swapper/006:14:170
22278998128,12cyclictest0-21swapper/006:31:360
2228199804,68cyclictest0-21swapper/205:51:292
22280998033,40cyclictest28617-21rt-features08:51:271
245202790,4sleep124517-21sed06:56:201
2228199793,68cyclictest28413-21munin-node07:06:272
2228199793,56cyclictest425-21cut06:06:232
22278997939,35cyclictest0-21swapper/009:56:380
22278997933,11cyclictest0-21swapper/007:31:270
22278997933,11cyclictest0-21swapper/007:31:270
22280997831,17cyclictest1419-21runrttasks08:46:141
22280997827,42cyclictest23249-21cut10:21:041
22280997824,47cyclictest0-21swapper/110:36:031
22280997817,54cyclictest0-21swapper/109:40:571
248599770,12rtkit-daemon37-21ksoftirqd/309:17:391
2228199774,65cyclictest0-21swapper/206:26:182
2228199774,47cyclictest0-21swapper/206:56:142
22280997729,40cyclictest21791-21munin-node09:31:131
22280997725,45cyclictest0-21swapper/109:04:011
22280997724,47cyclictest6581-21awk09:06:291
22280997723,47cyclictest0-21swapper/108:21:421
22280997624,32cyclictest0-21swapper/111:12:101
22280997620,49cyclictest0-21swapper/108:27:531
2228199754,56cyclictest0-21swapper/207:26:232
22280997533,36cyclictest29012-21df_abs09:41:111
22280997525,43cyclictest0-21swapper/109:46:261
22280997524,43cyclictest9774-21aten2.4-expect10:01:061
22280997524,31cyclictest0-21swapper/110:41:181
22280997518,51cyclictest0-21swapper/110:15:361
22280997431,36cyclictest14210-21sa110:55:531
22280997431,36cyclictest14210-21sa110:55:531
22280997429,28cyclictest0-21swapper/108:41:221
22280997427,40cyclictest19162-21netstat11:01:191
22280997425,43cyclictest23722-21switchtime07:56:321
22280997424,43cyclictest0-21swapper/109:58:321
22280997422,45cyclictest3625-21forks09:51:121
22280997415,53cyclictest0-21swapper/108:14:021
248599730,7rtkit-daemon0-21swapper/210:11:143
2228199733,63cyclictest0-21swapper/205:56:332
2228199732,47cyclictest121850irq/46-eth006:21:242
22280997332,34cyclictest30016-21taskset10:31:071
22280997328,16cyclictest1419-21runrttasks08:20:531
22280997328,16cyclictest1419-21runrttasks08:20:531
22280997327,29cyclictest13648-21munin-node08:31:231
22280997324,41cyclictest19443-21munin-node09:26:181
22280997324,29cyclictest0-21swapper/111:09:301
22280997323,33cyclictest2834-21fschecks_time06:11:211
22280997317,50cyclictest0-21swapper/109:23:261
22280997313,54cyclictest0-21swapper/110:49:291
2228199724,61cyclictest0-21swapper/207:42:402
22280997231,13cyclictest17594-21df_abs08:36:121
22280997227,39cyclictest32430-21taskset08:56:381
22280997227,39cyclictest32430-21taskset08:56:381
22280997226,39cyclictest21945-21sort07:56:001
22280997225,42cyclictest31191-21ssh08:07:241
22280997225,40cyclictest0-21swapper/110:56:281
2228199713,58cyclictest1419-21runrttasks06:15:202
22280997125,38cyclictest20734-21http_loadtime10:16:151
22280997125,38cyclictest20734-21http_loadtime10:16:151
22280997123,40cyclictest0-21swapper/109:11:381
22280997121,33cyclictest0-21swapper/108:01:171
248599700,4rtkit-daemon2484-21rtkit-daemon06:29:533
2228199704,33cyclictest31808-21latency_hist06:06:052
2228199703,59cyclictest0-21swapper/207:36:132
2228199703,53cyclictest0-21swapper/207:16:212
22280997023,15cyclictest0-21swapper/107:46:461
22280996930,32cyclictest1419-21runrttasks07:14:591
22280996926,29cyclictest0-21swapper/110:06:051
22280996924,29cyclictest0-21swapper/106:01:051
22280996923,39cyclictest15565-21sed06:36:341
22280996922,29cyclictest0-21swapper/106:08:531
306292687,53sleep30-21swapper/309:42:123
2228199682,52cyclictest0-21swapper/207:31:122
2228199682,52cyclictest0-21swapper/207:31:122
22280996828,33cyclictest1419-21runrttasks06:33:471
22280996824,27cyclictest30469-21gltestperf06:01:241
248599670,5rtkit-daemon2484-21rtkit-daemon05:56:163
22280996727,33cyclictest0-21swapper/106:54:401
22280996727,33cyclictest0-21swapper/106:54:401
22280996724,36cyclictest15019-21munin-run07:46:011
248599660,4rtkit-daemon2484-21rtkit-daemon06:11:233
22280996628,32cyclictest1419-21runrttasks07:34:091
22280996628,32cyclictest1419-21runrttasks07:34:091
22280996625,35cyclictest0-21swapper/105:53:371
2227899664,13cyclictest0-21swapper/007:21:350
22282996524,23cyclictest1419-21runrttasks09:20:543
22280996543,16cyclictest0-21swapper/107:19:531
22280996526,33cyclictest22873-21ls05:46:181
22280996526,11cyclictest16577-21telnet06:41:151
22280996523,35cyclictest0-21swapper/107:06:151
2227899653,18cyclictest7768-21grep06:21:230
22280996422,36cyclictest4527-21munin-node06:16:141
22280996419,39cyclictest0-21swapper/106:26:141
22280996419,29cyclictest0-21swapper/106:26:051
2228299634,50cyclictest0-21swapper/308:41:123
2228199634,53cyclictest0-21swapper/205:46:062
22280996320,37cyclictest1287-21snmpd06:46:101
22280996315,41cyclictest0-21swapper/107:38:271
22282996243,11cyclictest10618-21gltestperf10:01:153
22280996228,28cyclictest0-21swapper/107:29:061
248599610,6rtkit-daemon0-21swapper/210:43:433
22280996121,33cyclictest0-21swapper/107:25:151
22280996118,34cyclictest0-21swapper/107:01:131
22282996041,11cyclictest31383-21unixbench_multi06:01:383
22282996041,11cyclictest18197-21cpuspeed_turbos11:01:063
2228299603,40cyclictest0-21swapper/307:57:523
2228299603,11cyclictest26291-21latency09:36:193
22282995940,11cyclictest21830-21crond07:55:593
22282995926,25cyclictest1373-21ntp_offset08:11:263
2228299585,33cyclictest0-21swapper/305:51:253
2228299584,13cyclictest0-21swapper/308:56:193
2228299584,13cyclictest0-21swapper/308:56:193
2228299574,32cyclictest0-21swapper/308:31:593
2228299574,13cyclictest0-21swapper/309:52:253
22282995725,12cyclictest21441-21timerandwakeup10:16:273
22282995725,12cyclictest21441-21timerandwakeup10:16:273
2227899574,26cyclictest0-21swapper/007:41:190
123312574,45sleep30-21swapper/307:37:193
2228299565,14cyclictest0-21swapper/308:22:583
2228299564,12cyclictest0-21swapper/308:54:223
22282995619,10cyclictest11709-21df10:51:083
22282995619,10cyclictest11709-21df10:51:083
2228299555,27cyclictest0-21swapper/308:46:083
2228299555,16cyclictest0-21swapper/310:07:213
22282995511,24cyclictest1-21systemd11:15:523
21352552,10sleep30-21swapper/310:36:183
85822542,10sleep30-21swapper/309:57:443
2228299545,26cyclictest12910-21yum-updatesd-he08:29:173
2228299545,15cyclictest0-21swapper/310:46:523
2228299545,15cyclictest0-21swapper/309:49:503
2228299544,32cyclictest0-21swapper/306:56:333
2228299544,30cyclictest0-21swapper/309:01:313
2228299544,14cyclictest0-21swapper/309:26:143
22280995426,11cyclictest22387-21cat05:46:061
236442538,36sleep00-21swapper/006:56:120
2228299535,29cyclictest0-21swapper/306:51:323
2228299535,29cyclictest0-21swapper/306:51:323
2228299534,30cyclictest0-21swapper/309:21:103
2228299534,29cyclictest0-21swapper/307:31:213
2228299534,29cyclictest0-21swapper/307:31:213
2228299534,19cyclictest0-21swapper/308:01:213
22282995321,14cyclictest0-21swapper/311:06:253
22282995321,13cyclictest0-21swapper/309:31:093
2228299525,26cyclictest0-21swapper/310:27:043
2228299524,30cyclictest0-21swapper/310:56:123
2228299524,29cyclictest0-21swapper/308:37:243
2228299524,29cyclictest0-21swapper/307:41:263
2228299524,29cyclictest0-21swapper/306:36:253
2228299524,28cyclictest0-21swapper/310:31:113
2228299524,27cyclictest13845-21sadc06:36:033
2228299524,15cyclictest0-21swapper/307:49:353
2228299524,13cyclictest0-21swapper/310:22:513
22282995221,13cyclictest0-21swapper/308:16:223
22282995221,13cyclictest0-21swapper/308:16:223
22282995220,14cyclictest0-21swapper/306:21:303
2228299516,27cyclictest0-21swapper/307:21:273
2228299514,29cyclictest0-21swapper/309:06:073
2228299514,28cyclictest0-21swapper/309:11:333
2228299514,28cyclictest0-21swapper/306:41:143
2228299513,28cyclictest0-21swapper/308:06:343
111532514,38sleep00-21swapper/006:27:140
22282995019,13cyclictest0-21swapper/306:46:253
22278995023,8cyclictest24646-21latency_hist05:51:050
2228299494,28cyclictest0-21swapper/307:04:023
2228299494,28cyclictest0-21swapper/306:16:143
2228299494,27cyclictest0-21swapper/307:26:203
22282994933,10cyclictest443-21gltestperf06:06:233
2228299493,28cyclictest0-21swapper/307:11:283
2227899495,26cyclictest0-21swapper/006:18:550
2227899494,26cyclictest0-21swapper/006:41:180
22278994929,14cyclictest0-21swapper/007:01:240
14652492,41sleep00-21swapper/006:07:060
22282994816,13cyclictest0-21swapper/307:06:213
27222472,10sleep30-21swapper/307:16:433
2227899454,34cyclictest0-21swapper/006:46:220
2227899444,33cyclictest0-21swapper/005:46:060
2228299418,24cyclictest0-21swapper/305:46:063
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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