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2026-06-12 - 15:24

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 Fri Jun 12, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115852990,6sleep111587-21timerwakeupswit10:26:461
20489999424,12cyclictest0-21swapper/009:01:430
2048999934,39cyclictest0-21swapper/008:41:180
20489999325,12cyclictest0-21swapper/012:11:230
20489998827,7cyclictest3652-21latency_hist08:36:190
20489998825,7cyclictest11570-21latency_hist09:41:160
20489998825,7cyclictest11570-21latency_hist09:41:160
20489998724,12cyclictest0-21swapper/010:41:340
2049599715,59cyclictest0-21swapper/311:18:213
2049599714,61cyclictest0-21swapper/310:59:593
2049599714,59cyclictest0-21swapper/312:04:563
2049399714,28cyclictest0-21swapper/111:56:361
2049599705,57cyclictest0-21swapper/311:41:123
2049599705,57cyclictest0-21swapper/311:41:123
2049599704,58cyclictest7927-21ssh09:35:173
2049599695,56cyclictest291912sleep311:41:303
2049599695,55cyclictest24829-21processes10:46:443
20494996934,12cyclictest0-21swapper/210:41:232
2049399694,49cyclictest0-21swapper/112:10:271
2049599684,56cyclictest22539-21ssh11:31:343
20494996837,14cyclictest0-21swapper/211:36:262
20494996837,14cyclictest0-21swapper/211:36:262
20489996830,30cyclictest1227-21runrttasks11:40:080
20489996830,30cyclictest1227-21runrttasks11:40:080
2049399675,55cyclictest0-21swapper/111:07:431
22532660,14sleep02048999cyclictest11:01:320
2049599665,53cyclictest23868-21taskset09:56:543
2049599663,56cyclictest5486-21cpuspeed_turbos07:31:353
2049599663,56cyclictest5486-21cpuspeed_turbos07:31:353
20494996630,12cyclictest0-21swapper/211:56:202
2049499663,57cyclictest0-21swapper/209:31:412
2049499663,54cyclictest29511-21needreboot11:41:352
2049599654,53cyclictest170552sleep311:23:203
2049599653,55cyclictest0-21swapper/310:11:433
2049399654,54cyclictest0-21swapper/112:20:211
2049399654,54cyclictest0-21swapper/112:20:211
2049399654,54cyclictest0-21swapper/110:01:171
2049399654,54cyclictest0-21swapper/109:07:271
2049399653,55cyclictest0-21swapper/109:31:111
219499640,5rtkit-daemon2193-21rtkit-daemon12:21:202
2049599642,55cyclictest0-21swapper/311:46:253
2049599642,55cyclictest0-21swapper/308:56:293
2049599642,55cyclictest0-21swapper/308:56:293
2049399644,53cyclictest0-21swapper/110:51:361
144182643,53sleep114502-21needreboot10:31:391
2049499633,51cyclictest16719-21python09:46:462
2049499632,54cyclictest13218-21diskmemload09:05:562
2049399636,50cyclictest0-21swapper/109:31:361
2049399635,38cyclictest0-21swapper/108:06:501
2049399635,13cyclictest0-21swapper/109:16:331
2049399634,53cyclictest0-21swapper/112:14:551
2049399634,53cyclictest0-21swapper/111:14:571
2049399634,52cyclictest0-21swapper/111:45:451
2049399633,54cyclictest0-21swapper/111:04:261
2049399633,54cyclictest0-21swapper/109:21:351
2049399633,53cyclictest26075-21idleruntime-cro12:26:091
2049599625,49cyclictest0-21swapper/311:51:293
2049599623,9cyclictest8627-21runrttasks11:59:033
20494996232,14cyclictest0-21swapper/211:16:372
2049399624,52cyclictest0-21swapper/110:16:161
2049399624,52cyclictest0-21swapper/110:16:161
2049399624,51cyclictest520-21cpuspeed_turbos07:21:371
2049399623,53cyclictest0-21swapper/110:24:071
2049399623,53cyclictest0-21swapper/107:51:201
2049399623,52cyclictest0-21swapper/111:51:181
2049399623,52cyclictest0-21swapper/110:09:201
2049599614,50cyclictest0-21swapper/310:41:273
2049599614,14cyclictest0-21swapper/312:11:443
20495996120,13cyclictest0-21swapper/310:24:343
20494996132,13cyclictest0-21swapper/210:16:432
20494996132,13cyclictest0-21swapper/210:16:432
2049499613,50cyclictest30424-21cpuspeed_turbos10:56:262
2049399615,50cyclictest0-21swapper/109:47:111
2049399614,51cyclictest0-21swapper/111:18:561
2049399614,50cyclictest0-21swapper/108:58:401
2049399614,50cyclictest0-21swapper/108:58:401
216122602,50sleep20-21swapper/212:17:102
216122602,50sleep20-21swapper/212:17:102
2049599604,49cyclictest21809-21latency_hist09:56:163
2049599604,49cyclictest0-21swapper/309:30:113
2049599604,49cyclictest0-21swapper/309:16:313
2049599604,49cyclictest0-21swapper/309:13:323
2049599604,49cyclictest0-21swapper/308:16:363
2049599604,49cyclictest0-21swapper/308:16:363
2049599604,48cyclictest0-21swapper/308:41:493
2049599604,30cyclictest0-21swapper/310:16:423
2049599604,30cyclictest0-21swapper/310:16:423
2049599602,38cyclictest0-21swapper/309:36:573
2049599602,38cyclictest0-21swapper/309:36:573
20494996033,12cyclictest0-21swapper/210:54:012
20494996031,13cyclictest0-21swapper/211:46:402
2049399605,13cyclictest0-21swapper/111:21:281
2049399604,49cyclictest0-21swapper/109:59:421
2049399604,49cyclictest0-21swapper/108:46:441
20493996020,14cyclictest0-21swapper/111:38:271
20493996020,14cyclictest0-21swapper/111:38:271
110062603,49sleep20-21swapper/209:39:152
110062603,49sleep20-21swapper/209:39:152
2049599594,48cyclictest0-21swapper/309:46:393
2049599593,50cyclictest0-21swapper/312:16:203
2049599593,50cyclictest0-21swapper/312:16:203
2049599593,47cyclictest0-21swapper/308:31:293
2049599593,13cyclictest0-21swapper/311:26:133
20494995932,12cyclictest0-21swapper/210:31:462
20494995931,13cyclictest0-21swapper/208:56:212
20494995931,13cyclictest0-21swapper/208:56:212
2049499593,51cyclictest0-21swapper/209:52:262
2049499593,49cyclictest0-21swapper/212:06:222
2049399594,49cyclictest0-21swapper/109:54:301
2049399594,48cyclictest0-21swapper/111:26:211
2049399594,48cyclictest0-21swapper/110:49:351
2049399593,50cyclictest0-21swapper/110:42:031
20493995922,13cyclictest0-21swapper/111:51:111
2049599585,46cyclictest0-21swapper/310:54:493
2049599584,48cyclictest0-21swapper/312:10:563
2049599583,47cyclictest11814-21cut08:51:373
20494995832,12cyclictest0-21swapper/211:21:302
20494995832,12cyclictest0-21swapper/209:11:002
20494995832,11cyclictest0-21swapper/210:06:422
20494995831,13cyclictest0-21swapper/210:31:072
20494995831,12cyclictest0-21swapper/207:51:332
20494995830,12cyclictest0-21swapper/210:11:282
20494995830,12cyclictest0-21swapper/209:45:012
20494995829,14cyclictest0-21swapper/210:48:392
2049499582,50cyclictest13218-21diskmemload10:01:092
2049399586,13cyclictest0-21swapper/111:31:231
2049399584,48cyclictest0-21swapper/109:11:291
2049399584,46cyclictest0-21swapper/109:04:081
2049399583,45cyclictest17079-21munin-node07:56:491
20493995810,22cyclictest0-21swapper/108:41:311
2048999587,44cyclictest0-21swapper/008:59:310
2048999587,44cyclictest0-21swapper/008:59:310
79532573,11sleep20-21swapper/211:11:152
295032576,44sleep00-21swapper/009:18:170
2049599574,46cyclictest0-21swapper/312:23:313
2049599573,46cyclictest0-21swapper/310:36:383
2049599573,10cyclictest0-21swapper/309:06:393
20495995721,12cyclictest0-21swapper/311:05:053
2049499574,49cyclictest0-21swapper/209:28:012
20494995731,12cyclictest0-21swapper/210:38:092
20494995730,13cyclictest0-21swapper/212:13:542
2049499572,50cyclictest0-21swapper/209:16:282
2049399574,28cyclictest0-21swapper/108:01:401
2049399574,11cyclictest0-21swapper/110:11:261
2049399573,46cyclictest9612-21sh12:01:231
219499560,5rtkit-daemon2193-21rtkit-daemon08:06:532
2049599564,47cyclictest0-21swapper/310:09:313
2049599564,46cyclictest0-21swapper/307:01:523
2049599564,45cyclictest31753-21sed09:21:393
2049599564,45cyclictest0-21swapper/309:43:533
2049599564,45cyclictest0-21swapper/309:01:193
2049599563,47cyclictest0-21swapper/310:26:443
20495995617,11cyclictest0-21swapper/310:33:043
2049499563,9cyclictest5378-21fschecks_time11:06:312
20494995629,13cyclictest0-21swapper/209:14:422
20494995629,12cyclictest0-21swapper/212:01:362
2049399565,27cyclictest0-21swapper/109:41:351
2049399564,46cyclictest0-21swapper/110:59:071
2049399563,28cyclictest0-21swapper/107:16:541
20493995620,12cyclictest0-21swapper/107:45:301
2048999564,12cyclictest0-21swapper/010:14:290
20489995631,9cyclictest24377-21ssh09:11:340
219499550,5rtkit-daemon2193-21rtkit-daemon08:35:212
219499550,5rtkit-daemon2193-21rtkit-daemon07:56:532
2049599554,45cyclictest0-21swapper/310:02:043
2049599554,45cyclictest0-21swapper/307:11:553
2049599553,46cyclictest0-21swapper/306:56:463
2049599553,11cyclictest0-21swapper/311:12:433
2049599553,10cyclictest22882-21irqstats08:06:433
20495995520,11cyclictest0-21swapper/311:08:223
20494995532,11cyclictest0-21swapper/210:21:262
20494995529,12cyclictest0-21swapper/210:04:152
20494995528,12cyclictest0-21swapper/211:31:262
2049399554,46cyclictest0-21swapper/109:39:161
2049399554,46cyclictest0-21swapper/109:39:161
2049399554,32cyclictest0-21swapper/106:56:581
2049399554,28cyclictest0-21swapper/107:26:341
20493995516,14cyclictest0-21swapper/110:41:131
2048999553,35cyclictest0-21swapper/011:16:340
2048999553,24cyclictest0-21swapper/010:20:560
2048999553,24cyclictest0-21swapper/010:20:560
2048999553,11cyclictest0-21swapper/011:10:420
319492543,7sleep331975-21diskstats08:26:363
219499540,5rtkit-daemon2193-21rtkit-daemon07:46:382
2049599544,43cyclictest0-21swapper/308:46:313
2049599544,26cyclictest0-21swapper/307:20:283
20495995436,10cyclictest10761-21gltestperf07:41:383
2049599543,45cyclictest0-21swapper/307:06:473
2049499543,45cyclictest0-21swapper/207:41:302
2049499543,45cyclictest0-21swapper/207:21:362
2049499543,44cyclictest0-21swapper/208:01:412
20494995425,15cyclictest0-21swapper/211:27:592
2049499542,46cyclictest0-21swapper/208:46:422
2049399544,9cyclictest4447-21df_abs08:36:341
2049399543,44cyclictest1263-21cat08:31:201
20493995421,15cyclictest0-21swapper/108:56:181
20493995417,31cyclictest0-21swapper/107:51:411
20489995424,12cyclictest0-21swapper/008:56:170
71022534,9sleep00-21swapper/007:34:090
71022534,9sleep00-21swapper/007:34:090
310122536,41sleep00-21swapper/010:08:280
22982533,44sleep00-21swapper/011:50:350
219499530,5rtkit-daemon2193-21rtkit-daemon09:21:272
219499530,5rtkit-daemon2193-21rtkit-daemon08:36:362
212782532,10sleep20-21swapper/206:56:382
2049599533,26cyclictest0-21swapper/308:11:323
2049599533,26cyclictest0-21swapper/308:11:323
2049599532,46cyclictest0-21swapper/308:21:393
2049499533,45cyclictest0-21swapper/208:25:372
2049499533,44cyclictest0-21swapper/211:01:232
2049499532,43cyclictest0-21swapper/207:11:402
20493995321,27cyclictest0-21swapper/108:21:301
2048999535,13cyclictest0-21swapper/012:21:040
2048999535,13cyclictest0-21swapper/012:21:040
2048999535,13cyclictest0-21swapper/009:25:580
165472535,9sleep00-21swapper/007:52:350
89782527,39sleep00-21swapper/010:23:560
273662522,43sleep00-21swapper/007:07:570
258952524,9sleep00-21swapper/012:25:310
219499520,5rtkit-daemon2193-21rtkit-daemon08:16:452
219499520,5rtkit-daemon2193-21rtkit-daemon08:16:452
2049599523,45cyclictest0-21swapper/307:26:483
2049599523,42cyclictest16281-21cat07:51:543
2049599523,27cyclictest0-21swapper/307:56:563
2049499522,45cyclictest0-21swapper/211:53:192
2049499522,44cyclictest0-21swapper/207:36:332
2049399524,29cyclictest0-21swapper/107:06:591
2049399524,29cyclictest0-21swapper/107:01:471
2049399523,44cyclictest6382-21awk07:31:481
2049399523,44cyclictest6382-21awk07:31:481
2048999524,42cyclictest0-21swapper/011:31:270
2048999524,12cyclictest0-21swapper/009:50:470
20489995224,13cyclictest0-21swapper/010:52:250
105082524,41sleep00-21swapper/011:14:030
33852513,42sleep10-21swapper/108:32:591
297302513,9sleep10-21swapper/107:12:421
238712515,9sleep00-21swapper/008:09:400
2049599514,17cyclictest0-21swapper/307:46:533
2049599513,41cyclictest0-21swapper/308:36:403
2049499512,45cyclictest0-21swapper/207:06:532
2049499512,42cyclictest0-21swapper/208:11:392
2049499512,42cyclictest0-21swapper/208:11:392
20489995124,12cyclictest0-21swapper/012:01:220
202242513,6sleep020246-21ssh09:06:200
148862513,41sleep00-21swapper/011:21:250
51752502,42sleep00-21swapper/011:53:460
2049599502,43cyclictest0-21swapper/308:01:323
2049499503,42cyclictest0-21swapper/208:51:312
2049499503,42cyclictest0-21swapper/208:41:292
2049399504,28cyclictest0-21swapper/107:36:341
20493995031,13cyclictest24295-21aten_r1power_en08:11:301
20493995031,13cyclictest24295-21aten_r1power_en08:11:301
20489995031,7cyclictest31374-21latency_hist11:46:120
20489995023,12cyclictest0-21swapper/010:46:480
20489995023,11cyclictest0-21swapper/011:56:430
20489995023,11cyclictest0-21swapper/010:01:400
20489995022,13cyclictest0-21swapper/009:41:280
20489995022,12cyclictest0-21swapper/010:56:310
20489995021,13cyclictest0-21swapper/012:11:100
250792492,40sleep00-21swapper/007:04:180
2049599492,43cyclictest0-21swapper/307:26:213
2049599492,42cyclictest0-21swapper/307:36:433
2049499496,37cyclictest0-21swapper/207:26:412
2049499494,40cyclictest0-21swapper/207:16:362
2049499492,43cyclictest0-21swapper/207:35:292
2049499492,43cyclictest0-21swapper/207:35:292
2049499492,42cyclictest0-21swapper/208:26:322
2049399494,24cyclictest0-21swapper/108:16:301
2049399494,24cyclictest0-21swapper/108:16:301
2048999495,37cyclictest0-21swapper/009:31:320
2048999494,15cyclictest0-21swapper/007:26:410
20489994934,10cyclictest0-21swapper/008:26:390
20489994922,12cyclictest0-21swapper/010:36:470
20489994922,12cyclictest0-21swapper/009:56:250
20489994922,12cyclictest0-21swapper/008:41:330
202712494,6sleep00-21swapper/006:53:590
161062493,7sleep016044-21yum-updatesd-he10:35:170
2049399484,37cyclictest0-21swapper/106:56:241
20489994828,13cyclictest0-21swapper/009:51:270
20489994827,14cyclictest0-21swapper/009:26:410
20489994821,22cyclictest0-21swapper/011:29:300
284652472,39sleep00-21swapper/008:17:180
284652472,39sleep00-21swapper/008:17:180
2048999475,14cyclictest0-21swapper/010:26:330
2048999473,37cyclictest0-21swapper/008:13:110
2048999473,37cyclictest0-21swapper/008:13:110
2048999473,19cyclictest0-21swapper/007:56:360
20489994720,10cyclictest20103-21grep08:01:370
20489994719,12cyclictest0-21swapper/007:21:340
105482472,38sleep00-21swapper/008:47:410
217062463,36sleep00-21swapper/006:56:440
2048999464,23cyclictest0-21swapper/007:41:160
2048999463,24cyclictest0-21swapper/007:46:460
20489994620,11cyclictest0-21swapper/007:16:370
202692464,6sleep30-21swapper/306:53:583
2049499454,35cyclictest0-21swapper/207:01:562
2048999445,33cyclictest0-21swapper/008:25:370
2048999443,35cyclictest0-21swapper/007:41:390
20489994223,8cyclictest10586-21kworker/0:107:11:380
2049499373,9cyclictest0-21swapper/206:56:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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