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2026-04-24 - 11:10

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 Apr 24, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18500991044,53cyclictest0-21swapper/022:11:310
18503999440,47cyclictest0-21swapper/220:56:212
18503999440,47cyclictest0-21swapper/220:56:212
1850399924,28cyclictest0-21swapper/220:39:012
1850399924,26cyclictest0-21swapper/221:41:122
1850399923,37cyclictest1419-21runrttasks21:59:542
18503999213,13cyclictest0-21swapper/222:11:152
1850399914,37cyclictest0-21swapper/219:31:312
1850399914,25cyclictest0-21swapper/221:16:152
1850399914,20cyclictest0-21swapper/220:50:162
18503999135,49cyclictest0-21swapper/222:16:282
18503999135,49cyclictest0-21swapper/222:16:282
18503999131,52cyclictest0-21swapper/220:18:012
18503999131,52cyclictest0-21swapper/220:18:012
18503999034,10cyclictest23130-21cut18:21:292
248599890,6rtkit-daemon0-21swapper/017:36:110
248599890,6rtkit-daemon0-21swapper/017:36:110
1850399894,33cyclictest0-21swapper/217:16:382
1850399894,26cyclictest0-21swapper/219:21:422
18503998924,14cyclictest0-21swapper/221:06:232
26022880,3sleep041ktimersoftd/022:01:320
248599880,4rtkit-daemon2484-21rtkit-daemon21:23:090
1850399884,76cyclictest0-21swapper/220:01:232
1850399884,34cyclictest0-21swapper/220:21:192
1850399884,32cyclictest19039-21fschecks_count20:51:222
1850399884,24cyclictest11233-21diskmemload19:06:182
1850399884,24cyclictest0-21swapper/222:09:512
1850399884,24cyclictest0-21swapper/221:49:012
1850399884,21cyclictest10128-21yum-updatesd-he19:51:192
1850399884,13cyclictest0-21swapper/220:45:272
18503998829,12cyclictest0-21swapper/221:04:102
18503998828,13cyclictest0-21swapper/222:31:292
18503998824,13cyclictest0-21swapper/221:51:032
1850399874,24cyclictest0-21swapper/222:21:162
1850399874,12cyclictest0-21swapper/218:56:352
1850399874,12cyclictest0-21swapper/218:56:352
18503998729,10cyclictest17925-21python21:36:322
18503998729,10cyclictest17925-21python21:36:322
18503998727,14cyclictest0-21swapper/218:40:322
1850399868,23cyclictest0-21swapper/219:28:192
1850399864,39cyclictest0-21swapper/221:21:172
1850399864,35cyclictest24575-21gltestperf20:11:272
1850399864,33cyclictest0-21swapper/218:16:362
1850399864,33cyclictest0-21swapper/218:16:362
1850399864,23cyclictest0-21swapper/220:35:152
18503998639,42cyclictest0-21swapper/219:43:452
1850399863,24cyclictest0-21swapper/219:36:382
1850399863,24cyclictest0-21swapper/219:36:382
1850399854,35cyclictest0-21swapper/219:56:392
18503998526,12cyclictest0-21swapper/220:06:202
248599840,5rtkit-daemon2484-21rtkit-daemon20:02:500
248599840,5rtkit-daemon2484-21rtkit-daemon17:41:333
1850399844,40cyclictest0-21swapper/220:26:362
1850399844,34cyclictest0-21swapper/217:41:112
1850399843,33cyclictest0-21swapper/221:31:142
1850399843,21cyclictest8322-21ssh19:46:392
18503998417,12cyclictest0-21swapper/219:17:392
18503998416,10cyclictest31853-21aten2.4-expect21:11:132
18503998411,21cyclictest0-21swapper/222:26:312
1850399834,12cyclictest0-21swapper/221:26:102
248599820,5rtkit-daemon2484-21rtkit-daemon21:07:471
248599820,4rtkit-daemon2484-21rtkit-daemon21:14:550
248599820,4rtkit-daemon2484-21rtkit-daemon20:45:560
1850399824,25cyclictest0-21swapper/217:06:232
1850399824,23cyclictest0-21swapper/219:11:122
248599810,5rtkit-daemon2484-21rtkit-daemon21:17:391
248599810,5rtkit-daemon2484-21rtkit-daemon20:43:411
248599810,4rtkit-daemon2484-21rtkit-daemon22:30:521
1850399814,34cyclictest0-21swapper/218:51:282
1850399814,25cyclictest0-21swapper/222:04:152
18503998136,9cyclictest11227-21crond19:06:072
18503998125,10cyclictest8469-21df_abs17:51:262
248599800,8rtkit-daemon0-21swapper/117:36:331
248599800,6rtkit-daemon2484-21rtkit-daemon20:52:101
248599800,5rtkit-daemon2484-21rtkit-daemon22:34:141
248599800,5rtkit-daemon2484-21rtkit-daemon22:18:301
248599800,5rtkit-daemon2484-21rtkit-daemon22:18:301
248599800,5rtkit-daemon2484-21rtkit-daemon21:55:151
248599800,5rtkit-daemon2484-21rtkit-daemon21:45:161
248599800,5rtkit-daemon2484-21rtkit-daemon20:33:261
248599800,4rtkit-daemon2484-21rtkit-daemon22:02:531
248599800,4rtkit-daemon2484-21rtkit-daemon21:57:081
248599800,4rtkit-daemon2484-21rtkit-daemon21:46:231
248599800,4rtkit-daemon2484-21rtkit-daemon21:39:311
248599800,4rtkit-daemon2484-21rtkit-daemon21:39:311
248599800,4rtkit-daemon2484-21rtkit-daemon21:25:241
248599800,4rtkit-daemon2484-21rtkit-daemon21:15:251
248599800,4rtkit-daemon2484-21rtkit-daemon20:46:180
248599800,4rtkit-daemon2484-21rtkit-daemon20:24:491
248599790,6rtkit-daemon2484-21rtkit-daemon21:28:321
248599790,5rtkit-daemon2484-21rtkit-daemon22:24:291
248599790,5rtkit-daemon2484-21rtkit-daemon22:15:521
248599790,5rtkit-daemon2484-21rtkit-daemon20:29:041
248599790,4rtkit-daemon2484-21rtkit-daemon22:09:001
248599790,4rtkit-daemon2484-21rtkit-daemon20:48:561
248599790,28rtkit-daemon0-21swapper/117:51:401
248599780,5rtkit-daemon2484-21rtkit-daemon20:58:401
248599780,5rtkit-daemon2484-21rtkit-daemon20:58:401
248599780,5rtkit-daemon2484-21rtkit-daemon20:38:411
248599780,4rtkit-daemon2484-21rtkit-daemon21:32:241
248599780,4rtkit-daemon2484-21rtkit-daemon21:02:331
248599770,4rtkit-daemon2484-21rtkit-daemon20:19:421
248599770,4rtkit-daemon2484-21rtkit-daemon20:19:421
1850399773,32cyclictest12755-21aten2.4-expect18:01:202
1850399763,34cyclictest0-21swapper/218:06:462
248599740,4rtkit-daemon2484-21rtkit-daemon21:31:460
248599730,4rtkit-daemon2484-21rtkit-daemon22:07:450
1850399734,33cyclictest0-21swapper/217:26:282
248599710,6rtkit-daemon3178-21idleruntime-cro19:41:061
248599710,6rtkit-daemon3178-21idleruntime-cro19:41:061
1850099684,14cyclictest0-21swapper/021:37:140
1850099684,14cyclictest0-21swapper/021:37:140
248599670,4rtkit-daemon2484-21rtkit-daemon19:33:293
248599660,4rtkit-daemon2484-21rtkit-daemon21:16:320
18502996436,21cyclictest26166-21cut19:26:271
248599630,8rtkit-daemon20326-21ssh20:52:030
248599630,5rtkit-daemon2484-21rtkit-daemon20:34:560
248599630,4rtkit-daemon2484-21rtkit-daemon21:02:550
1850099624,50cyclictest0-21swapper/021:41:120
18504996125,28cyclictest19531-21latency19:16:303
18504996125,11cyclictest30054-21switchtime21:06:363
1850099604,13cyclictest0-21swapper/022:21:230
1850099604,13cyclictest0-21swapper/019:41:380
18500996020,25cyclictest0-21swapper/021:51:330
278702596,9sleep027024-21munin-node18:31:290
248599590,6rtkit-daemon0-21swapper/317:41:552
1850099594,13cyclictest0-21swapper/019:21:420
248599580,5rtkit-daemon11114-21processes21:26:320
1850099584,13cyclictest0-21swapper/019:26:290
1850099583,38cyclictest0-21swapper/019:32:180
179572585,44sleep318094-21users17:01:403
248599570,5rtkit-daemon2484-21rtkit-daemon22:28:370
234112573,47sleep323606-21date20:11:063
1850499576,43cyclictest0-21swapper/321:11:323
18504995726,14cyclictest0-21swapper/320:01:333
1850099574,39cyclictest0-21swapper/019:57:140
18500995720,22cyclictest0-21swapper/019:53:030
248599560,5rtkit-daemon2484-21rtkit-daemon20:21:190
1850499564,44cyclictest0-21swapper/320:51:153
1850099568,13cyclictest0-21swapper/021:56:400
1850099564,14cyclictest0-21swapper/020:11:370
1850099563,37cyclictest0-21swapper/022:35:230
115342562,47sleep00-21swapper/019:06:200
248599550,6rtkit-daemon2484-21rtkit-daemon21:46:080
248599550,5rtkit-daemon2484-21rtkit-daemon20:57:250
248599550,5rtkit-daemon2484-21rtkit-daemon20:57:250
248599550,5rtkit-daemon1888-21df_abs20:26:190
248599550,4rtkit-daemon2484-21rtkit-daemon20:40:480
1850499554,34cyclictest0-21swapper/319:45:253
18504995514,34cyclictest361ktimersoftd/321:56:293
1850299554,35cyclictest0-21swapper/119:07:481
1850099554,23cyclictest29523-21iostat_ios21:06:260
18500995513,23cyclictest0-21swapper/022:17:060
18500995513,23cyclictest0-21swapper/022:17:060
248599540,5rtkit-daemon2484-21rtkit-daemon20:19:570
248599540,5rtkit-daemon2484-21rtkit-daemon20:19:570
1850499549,27cyclictest0-21swapper/320:12:553
1850499544,41cyclictest0-21swapper/321:51:153
1850499544,26cyclictest0-21swapper/319:24:143
18504995422,24cyclictest2964-21sendmail_mailtr20:26:343
18504995418,13cyclictest0-21swapper/320:36:043
1850399543,43cyclictest0-21swapper/218:11:382
1850299545,30cyclictest0-21swapper/119:31:431
1850299544,14cyclictest0-21swapper/119:11:301
1850099544,27cyclictest0-21swapper/019:11:370
18500995421,13cyclictest0-21swapper/017:41:430
243252533,10sleep30-21swapper/322:35:553
241262533,10sleep124258-21perl17:16:281
1850499533,42cyclictest0-21swapper/319:46:303
1850399534,13cyclictest0-21swapper/217:11:382
1850299535,41cyclictest0-21swapper/120:01:061
1850299535,13cyclictest0-21swapper/118:37:371
1850099534,27cyclictest0-21swapper/017:48:340
1850099533,22cyclictest0-21swapper/020:06:370
1850499525,40cyclictest0-21swapper/320:36:263
1850299527,26cyclictest0-21swapper/120:03:571
1850299525,14cyclictest0-21swapper/120:10:221
1850299524,34cyclictest0-21swapper/119:22:491
1850299522,43cyclictest6677-21munin-node18:56:271
1850299522,43cyclictest6677-21munin-node18:56:271
18502995218,8cyclictest0-21swapper/119:51:201
18502995213,13cyclictest0-21swapper/119:49:451
1850099525,41cyclictest0-21swapper/018:36:270
1850099524,31cyclictest0-21swapper/017:21:220
1850099523,35cyclictest0-21swapper/019:36:180
1850099523,35cyclictest0-21swapper/019:36:180
1850099523,12cyclictest0-21swapper/019:47:490
1850499514,29cyclictest0-21swapper/321:20:443
1850499514,28cyclictest0-21swapper/320:21:193
1850499514,28cyclictest0-21swapper/318:56:393
1850499514,28cyclictest0-21swapper/318:56:393
18504995133,12cyclictest0-21swapper/319:58:213
18504995122,12cyclictest0-21swapper/317:06:373
18504995120,11cyclictest1419-21runrttasks21:01:403
1850499512,17cyclictest0-21swapper/321:37:233
1850499512,17cyclictest0-21swapper/321:37:233
18504995118,8cyclictest20950-21memory21:41:243
18504995116,29cyclictest11728-21aten_r1power_vo20:41:173
18504995112,21cyclictest0-21swapper/321:21:373
1850399514,40cyclictest0-21swapper/218:41:382
1850299515,40cyclictest6739-21cat19:46:071
1850299514,39cyclictest0-21swapper/118:51:191
1850099519,24cyclictest0-21swapper/018:26:330
1850099515,25cyclictest0-21swapper/019:17:540
1850099515,12cyclictest4276-21yum-updatesd-he18:51:250
1850099514,29cyclictest0-21swapper/017:36:310
1850099514,29cyclictest0-21swapper/017:16:280
1850099514,28cyclictest0-21swapper/018:11:430
1850099514,28cyclictest0-21swapper/017:56:310
1850099514,28cyclictest0-21swapper/017:26:240
325432503,9sleep10-21swapper/117:32:561
325432503,9sleep10-21swapper/117:32:561
267392503,9sleep10-21swapper/118:30:331
235522503,40sleep30-21swapper/317:16:223
1850499505,28cyclictest0-21swapper/322:06:193
1850499505,13cyclictest0-21swapper/321:32:333
1850499504,36cyclictest0-21swapper/322:21:303
1850499504,27cyclictest0-21swapper/318:06:303
1850499503,40cyclictest0-21swapper/319:53:473
18504995020,12cyclictest0-21swapper/319:11:323
18504995010,13cyclictest0-21swapper/321:46:153
1850299504,28cyclictest0-21swapper/118:16:421
1850299504,28cyclictest0-21swapper/118:16:421
1850299504,28cyclictest0-21swapper/117:26:451
1850099504,27cyclictest0-21swapper/018:01:350
1850099504,27cyclictest0-21swapper/017:11:440
18500995021,11cyclictest7837-21yum-updatesd-he17:51:220
18500995020,12cyclictest0-21swapper/018:06:440
106382502,41sleep30-21swapper/322:15:113
31212493,11sleep30-21swapper/322:02:213
301352493,9sleep30-21swapper/317:27:383
1850499495,14cyclictest0-21swapper/322:16:193
1850499495,14cyclictest0-21swapper/322:16:193
1850499494,27cyclictest0-21swapper/320:46:373
1850499494,14cyclictest0-21swapper/320:18:063
1850499494,14cyclictest0-21swapper/320:18:063
18504994933,10cyclictest10542-21sed21:26:223
1850499493,13cyclictest0-21swapper/319:26:193
1850499493,11cyclictest0-21swapper/319:06:343
18504994919,13cyclictest0-21swapper/317:46:313
1850399495,37cyclictest0-21swapper/218:31:282
1850299494,28cyclictest0-21swapper/118:46:221
1850299494,27cyclictest0-21swapper/119:16:171
1850299494,27cyclictest0-21swapper/118:01:291
1850299494,27cyclictest0-21swapper/117:56:451
1850299494,27cyclictest0-21swapper/117:21:281
1850299494,27cyclictest0-21swapper/117:11:271
1850299494,26cyclictest0-21swapper/118:16:101
1850099494,28cyclictest0-21swapper/018:21:090
1850099494,28cyclictest0-21swapper/018:21:090
1850099494,27cyclictest0-21swapper/019:01:250
1850099494,27cyclictest0-21swapper/018:26:090
1850099494,27cyclictest0-21swapper/017:06:330
1850099493,27cyclictest0-21swapper/018:46:290
145832492,9sleep30-21swapper/318:02:453
1850499484,28cyclictest0-21swapper/319:36:263
1850499484,28cyclictest0-21swapper/319:36:263
1850499484,26cyclictest0-21swapper/317:52:303
18504994830,11cyclictest2137-21cpuspeed_turbos18:46:213
1850499483,38cyclictest0-21swapper/320:57:523
1850499483,38cyclictest0-21swapper/320:57:523
18504994829,12cyclictest9954-21cut19:01:283
1850399484,27cyclictest0-21swapper/217:21:302
1850299484,27cyclictest0-21swapper/118:21:361
1850299484,27cyclictest0-21swapper/117:46:391
1850299484,26cyclictest0-21swapper/118:31:271
18502994830,12cyclictest0-21swapper/117:45:021
18502994830,11cyclictest19155-21df_abs17:06:261
1850299483,38cyclictest25462-21sed20:11:411
1850099484,26cyclictest0-21swapper/018:56:210
1850099484,26cyclictest0-21swapper/018:56:210
1850099483,11cyclictest0-21swapper/018:41:290
203202473,10sleep30-21swapper/322:28:333
1850499474,26cyclictest0-21swapper/318:21:423
1850499473,38cyclictest0-21swapper/318:51:203
18504994721,6cyclictest29393-21cat18:36:103
1850499472,32cyclictest0-21swapper/318:36:313
18503994731,10cyclictest11221-21wc17:56:292
18503994730,10cyclictest6732-21head17:46:352
1850299473,26cyclictest9159-21aten_r1power_fr19:01:201
18502994718,12cyclictest0-21swapper/118:06:401
18500994716,25cyclictest0-21swapper/017:06:130
1850499468,12cyclictest0-21swapper/318:26:273
1850499464,26cyclictest0-21swapper/317:11:393
1850499454,34cyclictest0-21swapper/317:31:373
1850499454,34cyclictest0-21swapper/317:31:373
1850499454,33cyclictest0-21swapper/318:16:213
1850499454,33cyclictest0-21swapper/318:16:213
18504994528,11cyclictest11093-21gltestperf17:56:283
18503994516,12cyclictest0-21swapper/218:47:392
1850299456,22cyclictest31800-21munin-node18:41:411
18504994426,11cyclictest934-21cpuspeed_turbos17:36:253
1850399443,35cyclictest0-21swapper/217:31:222
1850399443,35cyclictest0-21swapper/217:31:222
1850499434,31cyclictest0-21swapper/318:16:103
1850499425,30cyclictest0-21swapper/317:21:423
1850399423,31cyclictest0-21swapper/217:06:122
1850399423,12cyclictest0-21swapper/218:29:542
1850499413,11cyclictest0-21swapper/318:41:393
1850299414,11cyclictest0-21swapper/117:06:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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