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2026-06-14 - 08:42

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 the 792 highest latencies:
System rack1slot6s.osadl.org (updated Sun Jun 14, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3017899665,17cyclictest0-21swapper/020:12:020
3018299655,53cyclictest0-21swapper/321:33:483
3017899635,40cyclictest0-21swapper/000:05:310
3018299623,52cyclictest0-21swapper/322:05:253
3017899626,30cyclictest0-21swapper/021:10:060
3017899625,31cyclictest0-21swapper/022:23:240
3017899624,51cyclictest0-21swapper/021:00:290
3017899624,32cyclictest0-21swapper/023:55:030
30178996215,10cyclictest0-21swapper/022:45:160
3018299613,49cyclictest0-21swapper/322:55:053
30182996125,13cyclictest0-21swapper/321:04:533
3018199615,13cyclictest0-21swapper/221:05:182
3018199615,13cyclictest0-21swapper/221:05:182
3018199614,15cyclictest0-21swapper/223:15:152
3018199613,50cyclictest0-21swapper/221:25:152
30181996118,26cyclictest0-21swapper/200:15:252
3017899617,12cyclictest0-21swapper/023:04:480
3017899614,51cyclictest0-21swapper/000:15:130
3017899614,30cyclictest0-21swapper/023:45:190
3017899614,30cyclictest0-21swapper/022:36:550
219499610,5rtkit-daemon2193-21rtkit-daemon00:11:472
32392600,6sleep33240-21cut19:05:113
3018199605,27cyclictest0-21swapper/222:33:482
3018199604,14cyclictest0-21swapper/223:50:032
3018199602,52cyclictest0-21swapper/221:30:042
3018099603,30cyclictest0-21swapper/122:34:521
3017899607,29cyclictest0-21swapper/021:40:210
3017899606,28cyclictest0-21swapper/021:55:070
3017899605,29cyclictest0-21swapper/021:05:200
3017899605,29cyclictest0-21swapper/021:05:200
3017899605,15cyclictest0-21swapper/000:20:010
3017899605,15cyclictest0-21swapper/000:20:010
3017899605,13cyclictest0-21swapper/021:45:310
3017899605,13cyclictest0-21swapper/021:45:310
3017899604,31cyclictest0-21swapper/021:39:510
3017899604,30cyclictest28986-21hwlatdetect23:25:070
3017899603,50cyclictest0-21swapper/020:55:170
3017899603,23cyclictest0-21swapper/023:21:100
3017899603,22cyclictest0-21swapper/023:11:510
30178996018,24cyclictest14185-21latency22:15:140
181802603,12sleep30-21swapper/323:56:203
158862603,49sleep10-21swapper/121:30:131
148882603,49sleep20-21swapper/220:35:232
13462603,49sleep00-21swapper/023:32:060
3018199594,38cyclictest0-21swapper/223:03:152
30181995920,14cyclictest0-21swapper/222:40:222
3017899596,25cyclictest0-21swapper/022:25:070
3017899596,25cyclictest0-21swapper/022:25:070
3017899595,30cyclictest0-21swapper/021:19:230
3017899595,28cyclictest0-21swapper/023:35:020
3017899594,46cyclictest0-21swapper/020:39:540
3017899594,28cyclictest10632-21time22:10:100
3017899593,49cyclictest0-21swapper/022:59:490
3017899593,14cyclictest0-21swapper/021:30:120
3017899592,34cyclictest0-21swapper/022:06:260
104162593,9sleep00-21swapper/021:21:450
3018299583,48cyclictest26488-21tr00:09:593
3018199588,12cyclictest0-21swapper/223:27:332
3018199585,28cyclictest0-21swapper/221:15:172
3018199585,13cyclictest0-21swapper/222:10:032
3018199584,37cyclictest0-21swapper/222:36:442
3018199584,27cyclictest17696-21needreboot22:20:152
3018199584,14cyclictest0-21swapper/219:20:112
3018199584,13cyclictest0-21swapper/220:30:082
3018199583,12cyclictest0-21swapper/200:19:572
3018199583,12cyclictest0-21swapper/200:19:572
30181995822,11cyclictest24267-21rm00:05:162
30181995820,10cyclictest18652-21ssh21:35:062
30181995819,13cyclictest0-21swapper/222:55:022
30181995811,27cyclictest0-21swapper/221:14:532
3017899585,30cyclictest0-21swapper/022:00:140
3017899585,30cyclictest0-21swapper/019:24:570
3017899583,37cyclictest0-21swapper/023:43:400
3017899583,37cyclictest0-21swapper/023:43:400
3017899582,51cyclictest0-21swapper/023:54:440
197952580,4sleep041ktimersoftd/020:45:240
3018199575,28cyclictest0-21swapper/221:04:142
3018199575,17cyclictest0-21swapper/222:29:492
3018199575,17cyclictest0-21swapper/222:29:492
3018199574,29cyclictest0-21swapper/222:05:052
3018199574,28cyclictest0-21swapper/223:40:102
3018199574,28cyclictest0-21swapper/223:40:102
3018199574,14cyclictest0-21swapper/223:35:062
3018199574,12cyclictest0-21swapper/222:51:582
3018199574,10cyclictest19707-21unixbench_multi23:10:212
3018199573,47cyclictest0-21swapper/223:55:192
30181995720,13cyclictest0-21swapper/223:20:102
30181995719,14cyclictest0-21swapper/223:44:572
30181995715,11cyclictest0-21swapper/221:50:022
3017899575,28cyclictest0-21swapper/023:15:490
3017899574,30cyclictest0-21swapper/019:09:580
3017899574,28cyclictest0-21swapper/021:50:030
3017899574,28cyclictest0-21swapper/020:50:070
3017899574,28cyclictest0-21swapper/019:55:060
3017899574,15cyclictest0-21swapper/019:50:090
3017899573,49cyclictest0-21swapper/022:43:320
30178995723,14cyclictest0-21swapper/020:00:100
30178995711,28cyclictest0-21swapper/023:06:040
30178995711,28cyclictest0-21swapper/023:06:040
260212573,45sleep10-21swapper/122:33:541
176502573,12sleep30-21swapper/323:09:483
176502573,12sleep30-21swapper/323:09:483
3018299564,45cyclictest0-21swapper/321:45:263
3018299564,45cyclictest0-21swapper/321:45:263
30182995627,13cyclictest0-21swapper/321:05:283
30182995627,13cyclictest0-21swapper/321:05:283
3018199564,27cyclictest0-21swapper/221:55:172
3018199564,12cyclictest0-21swapper/221:20:022
30181995625,11cyclictest107550irq/46-eth019:10:082
30181995613,10cyclictest0-21swapper/218:55:132
30180995624,14cyclictest0-21swapper/123:49:111
3017899564,30cyclictest0-21swapper/021:25:180
3017899563,47cyclictest0-21swapper/022:50:020
3017899563,47cyclictest0-21swapper/019:25:320
3017899563,26cyclictest0-21swapper/000:00:100
219499560,4rtkit-daemon2193-21rtkit-daemon23:23:493
219499560,4rtkit-daemon2193-21rtkit-daemon21:28:533
3018299553,46cyclictest0-21swapper/322:40:073
3018199555,31cyclictest0-21swapper/220:45:172
3018199555,26cyclictest0-21swapper/223:05:132
3018199555,26cyclictest0-21swapper/223:05:132
3018199553,29cyclictest0-21swapper/222:45:202
3018199553,13cyclictest0-21swapper/219:05:082
30181995523,14cyclictest0-21swapper/223:30:312
30181995523,12cyclictest0-21swapper/222:19:012
30181995522,14cyclictest0-21swapper/219:50:102
30181995521,15cyclictest0-21swapper/200:00:412
3018199552,48cyclictest0-21swapper/219:40:082
3018199552,48cyclictest0-21swapper/219:40:082
30181995518,13cyclictest0-21swapper/221:40:082
3017899555,30cyclictest0-21swapper/000:09:570
3017899555,29cyclictest0-21swapper/019:00:250
3017899555,29cyclictest0-21swapper/019:00:250
3017899554,31cyclictest0-21swapper/018:55:310
3017899554,30cyclictest0-21swapper/022:29:510
30178995522,14cyclictest0-21swapper/019:10:190
30178995518,32cyclictest12090-21http_loadtime20:30:130
219499550,5rtkit-daemon2193-21rtkit-daemon23:33:563
219499550,5rtkit-daemon2193-21rtkit-daemon20:59:172
7002543,44sleep3802-21sed19:00:123
7002543,44sleep3802-21sed19:00:123
3018299545,43cyclictest0-21swapper/321:50:073
3018299543,44cyclictest0-21swapper/321:14:423
30182995425,13cyclictest0-21swapper/300:00:123
3018199545,29cyclictest0-21swapper/220:40:152
3018199543,46cyclictest0-21swapper/221:47:422
3018199543,46cyclictest0-21swapper/221:47:422
30181995421,14cyclictest0-21swapper/222:04:002
30181995421,14cyclictest0-21swapper/219:30:102
30180995430,10cyclictest0-21swapper/121:15:221
30180995411,36cyclictest0-21swapper/122:57:031
3017899544,44cyclictest0-21swapper/019:40:090
3017899544,44cyclictest0-21swapper/019:40:090
3017899544,31cyclictest0-21swapper/019:35:240
3017899544,29cyclictest0-21swapper/020:07:010
30178995436,12cyclictest4954-21wc20:15:150
30178995434,14cyclictest15127-21tr19:30:110
219499540,6rtkit-daemon2193-21rtkit-daemon23:25:113
219499540,5rtkit-daemon2193-21rtkit-daemon20:00:192
21602544,12sleep20-21swapper/220:10:122
198992543,43sleep10-21swapper/122:25:031
198992543,43sleep10-21swapper/122:25:031
3018299539,38cyclictest0-21swapper/322:23:433
3018299534,22cyclictest0-21swapper/323:47:163
3018199535,28cyclictest0-21swapper/219:55:072
3018199534,29cyclictest0-21swapper/220:50:172
30181995320,13cyclictest0-21swapper/219:15:202
30180995335,10cyclictest6994-21kernelversion23:40:111
30180995335,10cyclictest6994-21kernelversion23:40:111
30180995326,10cyclictest30478-21df_abs22:40:031
30180995324,12cyclictest0-21swapper/123:50:211
30180995323,8cyclictest18-21rcuc/100:23:251
30180995323,8cyclictest18-21rcuc/100:23:251
30180995323,12cyclictest0-21swapper/122:19:371
3017899534,29cyclictest0-21swapper/020:25:280
3017899534,29cyclictest0-21swapper/020:25:280
3017899534,28cyclictest0-21swapper/020:20:170
219499530,5rtkit-daemon2193-21rtkit-daemon20:21:262
219499530,5rtkit-daemon2193-21rtkit-daemon19:15:283
219499530,5rtkit-daemon2193-21rtkit-daemon00:20:013
219499530,5rtkit-daemon2193-21rtkit-daemon00:20:013
143242532,9sleep30-21swapper/319:26:363
3018299524,41cyclictest0-21swapper/320:56:213
3018299523,43cyclictest20465-21runrttasks21:36:193
3018299523,43cyclictest0-21swapper/322:15:133
30182995227,10cyclictest17625-21kworker/3:123:17:313
3018199525,28cyclictest4183-21aten2.4-expect20:15:072
3018199525,28cyclictest0-21swapper/219:35:242
3018199525,27cyclictest0-21swapper/219:46:282
3018199525,27cyclictest0-21swapper/219:46:282
3018199524,30cyclictest0-21swapper/220:25:062
3018199524,30cyclictest0-21swapper/220:25:062
3018199524,30cyclictest0-21swapper/220:09:542
30181995220,13cyclictest0-21swapper/219:25:252
30180995226,10cyclictest31863-21tail21:54:591
3017899524,25cyclictest0-21swapper/019:45:200
3017899524,25cyclictest0-21swapper/019:45:200
3017899523,43cyclictest0-21swapper/020:40:220
3017899523,23cyclictest0-21swapper/019:17:100
284542522,43sleep10-21swapper/121:50:001
219499520,5rtkit-daemon2193-21rtkit-daemon21:22:233
54612512,9sleep30-21swapper/323:39:113
310122512,9sleep30-21swapper/320:01:103
3018299514,42cyclictest0-21swapper/321:42:423
30182995124,12cyclictest0-21swapper/322:50:073
30182995120,13cyclictest0-21swapper/319:14:573
30181995120,13cyclictest0-21swapper/219:00:082
30181995120,13cyclictest0-21swapper/219:00:082
3018099514,40cyclictest0-21swapper/122:00:111
30180995131,10cyclictest0-21swapper/123:12:301
30180995128,11cyclictest0-21swapper/100:19:091
30180995117,20cyclictest0-21swapper/122:48:591
239902512,9sleep30-21swapper/319:47:563
239902512,9sleep30-21swapper/319:47:563
226052512,42sleep10-21swapper/120:51:021
187812514,40sleep10-21swapper/122:22:051
15652512,9sleep10-21swapper/123:32:521
10462512,9sleep30-21swapper/320:07:113
3018299506,39cyclictest0-21swapper/322:03:323
3018299505,39cyclictest0-21swapper/300:18:023
3018299504,40cyclictest0-21swapper/323:10:013
30182995032,12cyclictest0-21swapper/322:45:553
30182995026,8cyclictest7271-21ssh23:40:153
30182995026,8cyclictest7271-21ssh23:40:153
30182995013,30cyclictest10015-21cpuspeed_turbos22:10:043
30181995011,12cyclictest0-21swapper/218:54:592
3018099504,40cyclictest0-21swapper/123:05:211
3018099504,40cyclictest0-21swapper/123:05:211
3018099503,29cyclictest0-21swapper/121:43:141
30180995028,10cyclictest0-21swapper/100:01:151
30180995024,11cyclictest24517-21grep00:05:201
30180995023,12cyclictest0-21swapper/123:59:431
30180995022,8cyclictest27851-21ssh21:00:221
30180995019,13cyclictest0-21swapper/121:09:531
30180995019,13cyclictest0-21swapper/121:09:531
252052500,10sleep13018099cyclictest20:56:331
241322502,41sleep10-21swapper/119:49:471
241322502,41sleep10-21swapper/119:49:471
3018299495,37cyclictest0-21swapper/322:27:063
3018299495,37cyclictest0-21swapper/322:27:063
3018299494,39cyclictest0-21swapper/300:06:113
3018299494,38cyclictest0-21swapper/321:55:203
30182994928,15cyclictest0-21swapper/319:34:563
30182994927,9cyclictest12586-21processes23:00:173
30182994926,8cyclictest15092-21ssh23:52:213
30182994921,12cyclictest0-21swapper/322:33:573
30182994916,12cyclictest0-21swapper/320:51:453
3018099496,28cyclictest21256-21ssh23:14:541
3018099495,20cyclictest0-21swapper/123:28:381
30180994933,10cyclictest9792-21aten_r1power_fr22:10:021
30180994926,12cyclictest0-21swapper/121:14:121
30180994922,8cyclictest27787-21iostat_ios19:55:171
30180994922,12cyclictest0-21swapper/121:36:171
30180994920,13cyclictest0-21swapper/100:10:101
36512482,9sleep10-21swapper/120:13:091
3018299486,36cyclictest0-21swapper/321:15:353
30182994823,9cyclictest0-21swapper/320:25:193
30182994823,9cyclictest0-21swapper/320:25:193
30182994823,11cyclictest13255-21yum-updatesd-he20:33:483
30182994823,10cyclictest0-21swapper/320:10:073
3018099486,14cyclictest0-21swapper/121:46:401
3018099486,14cyclictest0-21swapper/121:46:401
3018099484,39cyclictest0-21swapper/123:35:111
3018099483,40cyclictest0-21swapper/123:20:141
291302484,37sleep10-21swapper/118:50:201
136592482,9sleep10-21swapper/123:02:361
3018299473,38cyclictest28393-21unixbench_singl22:35:253
3018299473,38cyclictest0-21swapper/319:50:143
3018099474,28cyclictest0-21swapper/122:50:221
3018099473,39cyclictest0-21swapper/121:27:011
30180994725,10cyclictest0-21swapper/122:06:211
30180994723,11cyclictest0-21swapper/118:55:111
30180994723,10cyclictest0-21swapper/121:20:031
30180994722,10cyclictest0-21swapper/119:16:481
30180994720,13cyclictest0-21swapper/120:05:181
167242472,9sleep10-21swapper/119:31:501
3018299464,14cyclictest0-21swapper/319:36:033
30182994630,10cyclictest16726-21uniq20:40:123
30182994628,12cyclictest0-21swapper/320:48:363
3018099464,35cyclictest0-21swapper/119:10:081
3018099463,38cyclictest0-21swapper/120:20:101
30180994623,10cyclictest0-21swapper/120:25:161
30180994623,10cyclictest0-21swapper/120:25:161
30180994622,10cyclictest14097-21sed19:25:291
30180994622,10cyclictest0-21swapper/119:50:181
215562462,38sleep10-21swapper/119:42:341
215562462,38sleep10-21swapper/119:42:341
214762462,9sleep30-21swapper/319:41:313
214762462,9sleep30-21swapper/319:41:313
156852462,9sleep30-21swapper/320:39:193
120492462,9sleep10-21swapper/119:23:071
37892452,37sleep10-21swapper/119:05:181
30182994517,13cyclictest0-21swapper/320:24:553
30180994524,7cyclictest13255-21yum-updatesd-he20:34:021
30180994516,13cyclictest0-21swapper/120:35:181
299742454,35sleep00-21swapper/018:52:440
23682452,9sleep10-21swapper/119:01:271
23682452,9sleep10-21swapper/119:01:271
178762452,10sleep10-21swapper/120:41:471
60072442,9sleep10-21swapper/120:17:411
3018299443,12cyclictest0-21swapper/318:55:303
30182994422,9cyclictest5029-21kworker/3:019:20:103
30182994421,10cyclictest0-21swapper/319:55:163
30180994427,10cyclictest17274-21telnet19:35:091
30182994222,15cyclictest0-21swapper/318:54:583
3018099423,12cyclictest0-21swapper/120:00:121
3018299413,32cyclictest0-21swapper/320:15:113
3018099413,33cyclictest0-21swapper/120:46:311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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