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2026-06-08 - 01:18

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 highest latencies:
System rack1slot6s.osadl.org (updated Sun Jun 07, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2616021120,5sleep126162-21head08:36:201
11994999625,12cyclictest0-21swapper/011:16:060
11994999529,13cyclictest0-21swapper/011:39:480
11994998926,13cyclictest0-21swapper/007:06:040
1200199713,61cyclictest0-21swapper/211:36:262
1200099714,60cyclictest0-21swapper/111:51:111
1200099694,58cyclictest0-21swapper/110:13:131
1200099684,58cyclictest0-21swapper/112:13:541
1200099684,57cyclictest0-21swapper/109:27:361
12000996822,25cyclictest21934-21sendmail_mailqu08:26:301
325622670,3sleep1201ktimersoftd/108:51:111
1200199674,56cyclictest30040-21ssh11:56:272
1200299662,58cyclictest0-21swapper/311:53:413
1200199665,53cyclictest0-21swapper/212:01:072
1200199665,53cyclictest0-21swapper/212:01:072
1200199662,58cyclictest0-21swapper/211:31:422
1200099664,55cyclictest0-21swapper/111:49:141
1200099663,57cyclictest0-21swapper/107:56:201
1200299652,57cyclictest0-21swapper/309:05:343
1200099657,15cyclictest0-21swapper/111:41:111
1200099654,52cyclictest0-21swapper/109:15:121
1200299641,57cyclictest0-21swapper/310:22:143
1200199647,51cyclictest0-21swapper/211:03:192
1200199647,50cyclictest0-21swapper/209:13:312
12001996443,13cyclictest0-21swapper/211:51:092
1200099645,40cyclictest8014-21diskstats11:26:101
1200299633,53cyclictest15477-21ssh10:01:313
1200299633,52cyclictest31020-21ssh10:26:123
1200299632,55cyclictest0-21swapper/311:06:203
1200299632,55cyclictest0-21swapper/310:13:523
1200199634,52cyclictest20924-21ssh11:45:212
1200199634,52cyclictest0-21swapper/211:08:302
1200199634,52cyclictest0-21swapper/210:52:542
1200199633,54cyclictest18931-21aten2.4-expect09:21:092
1200199633,54cyclictest18931-21aten2.4-expect09:21:092
1200199633,52cyclictest0-21swapper/209:55:122
1200199632,55cyclictest0-21swapper/211:13:402
1200199632,55cyclictest0-21swapper/210:48:512
11994996337,10cyclictest4734-21diskmemload12:01:070
11994996337,10cyclictest4734-21diskmemload12:01:070
1200299626,49cyclictest932-21ssh12:01:243
1200299626,49cyclictest932-21ssh12:01:243
1200299624,51cyclictest0-21swapper/312:12:123
1200299623,52cyclictest28951-21ssh11:56:103
1200299623,52cyclictest18383-21ssh12:26:203
1200299623,52cyclictest10047-21ssh10:41:293
1200299623,52cyclictest10047-21ssh10:41:293
1200299622,53cyclictest4951-21ssh09:46:273
1200299621,55cyclictest0-21swapper/311:02:443
12001996243,12cyclictest0-21swapper/210:31:232
1200199623,52cyclictest0-21swapper/211:29:522
1200199623,51cyclictest0-21swapper/210:02:132
1200199622,55cyclictest0-21swapper/212:24:422
1200099624,41cyclictest0-21swapper/110:47:141
1199499623,51cyclictest0-21swapper/011:26:120
4372613,12sleep30-21swapper/311:16:073
1200299613,52cyclictest0-21swapper/310:51:483
1200299612,53cyclictest0-21swapper/310:35:193
1200299612,53cyclictest0-21swapper/310:16:543
1200299612,53cyclictest0-21swapper/309:29:233
1200299611,54cyclictest0-21swapper/311:36:153
1200299611,54cyclictest0-21swapper/309:22:563
1200299611,54cyclictest0-21swapper/309:22:563
1200199613,51cyclictest0-21swapper/209:01:302
1200199612,53cyclictest0-21swapper/211:24:222
1200199612,53cyclictest0-21swapper/211:24:222
1200099615,50cyclictest0-21swapper/110:56:201
1200299604,50cyclictest15677-21ssh12:22:233
1200299603,51cyclictest30374-21rm09:36:273
1200299603,50cyclictest13941-21ssh10:47:333
1200299602,54cyclictest0-21swapper/311:48:163
1200299602,52cyclictest0-21swapper/312:19:133
1200299602,52cyclictest0-21swapper/311:31:073
1200299602,52cyclictest0-21swapper/311:28:113
1200299602,52cyclictest0-21swapper/310:57:273
1200299602,52cyclictest0-21swapper/309:57:073
1200299602,50cyclictest0-21swapper/312:06:143
1200199604,50cyclictest0-21swapper/209:18:292
1200199604,49cyclictest32347-21ssh10:26:352
1200199603,51cyclictest1745-21ssh09:41:322
1200199603,51cyclictest0-21swapper/212:15:142
1200199603,51cyclictest0-21swapper/210:41:352
1200199603,51cyclictest0-21swapper/210:41:352
1200199602,53cyclictest0-21swapper/209:32:502
1200199602,53cyclictest0-21swapper/209:26:522
1200199602,52cyclictest0-21swapper/212:17:502
1200199602,52cyclictest0-21swapper/212:09:152
1200199602,52cyclictest0-21swapper/211:17:132
1200199602,52cyclictest0-21swapper/210:37:552
1200199602,52cyclictest0-21swapper/210:16:572
1200199602,52cyclictest0-21swapper/209:06:272
1200199602,51cyclictest0-21swapper/210:11:532
1200099605,16cyclictest0-21swapper/111:09:471
1200099605,16cyclictest0-21swapper/109:42:131
1200099604,50cyclictest0-21swapper/111:19:061
1200099604,50cyclictest0-21swapper/110:39:341
12000996012,10cyclictest19446-21entropy09:21:151
12000996012,10cyclictest19446-21entropy09:21:151
280612595,10sleep00-21swapper/009:33:360
216442593,47sleep00-21swapper/009:24:540
216442593,47sleep00-21swapper/009:24:540
185772594,47sleep10-21swapper/109:21:001
1200299593,51cyclictest0-21swapper/308:51:013
1200299593,51cyclictest0-21swapper/308:51:013
1200299592,52cyclictest0-21swapper/311:42:463
1200299592,52cyclictest0-21swapper/309:42:573
1200299592,52cyclictest0-21swapper/309:19:353
1200299592,51cyclictest0-21swapper/309:32:213
1200299591,52cyclictest0-21swapper/311:11:083
1200199594,9cyclictest107550irq/46-eth009:56:282
1200199593,51cyclictest0-21swapper/210:22:222
1200199593,50cyclictest0-21swapper/212:28:542
1200199592,51cyclictest0-21swapper/210:06:322
1200199592,51cyclictest0-21swapper/209:46:522
1200199592,51cyclictest0-21swapper/209:36:212
1200099597,28cyclictest0-21swapper/112:16:341
1200099596,16cyclictest0-21swapper/110:51:041
1200099595,36cyclictest0-21swapper/112:23:101
1200099595,31cyclictest0-21swapper/112:03:071
1200099595,31cyclictest0-21swapper/112:03:071
1200099595,17cyclictest0-21swapper/111:33:561
1200099595,14cyclictest0-21swapper/111:24:141
1200099595,14cyclictest0-21swapper/111:24:141
1200099595,14cyclictest0-21swapper/109:56:241
1200099594,49cyclictest0-21swapper/111:59:471
12000995921,13cyclictest0-21swapper/111:36:301
12000995920,14cyclictest0-21swapper/110:31:211
12000995911,29cyclictest1227-21runrttasks11:01:301
12002995843,9cyclictest7954-21ls09:51:213
1200299584,48cyclictest18285-21aten2.4-expect08:21:123
1200299583,12cyclictest0-21swapper/309:11:223
1200299582,51cyclictest0-21swapper/310:39:213
1200299582,51cyclictest0-21swapper/309:09:503
12001995842,11cyclictest0-21swapper/210:56:292
12001995839,12cyclictest0-21swapper/207:56:152
1200199583,50cyclictest0-21swapper/207:35:312
1200199582,51cyclictest0-21swapper/211:48:162
1200199582,51cyclictest0-21swapper/208:58:352
1200099585,29cyclictest0-21swapper/107:46:151
1200099585,14cyclictest0-21swapper/108:46:201
1200099585,14cyclictest0-21swapper/108:46:201
1200099584,49cyclictest0-21swapper/109:38:241
1200099584,48cyclictest0-21swapper/109:08:231
1200099584,15cyclictest0-21swapper/112:06:461
1200099584,14cyclictest0-21swapper/112:30:511
1200099584,13cyclictest0-21swapper/110:04:081
11994995824,26cyclictest25745-21munin-node11:06:140
12002995738,13cyclictest0-21swapper/307:26:043
12002995738,13cyclictest0-21swapper/307:26:043
1200299572,50cyclictest0-21swapper/311:21:263
1200299572,50cyclictest0-21swapper/311:21:263
1200299572,50cyclictest0-21swapper/310:07:323
1200299572,50cyclictest0-21swapper/307:06:043
1200299572,49cyclictest0-21swapper/308:16:143
1200199572,50cyclictest0-21swapper/207:45:322
1200199572,49cyclictest0-21swapper/208:55:442
1200199572,49cyclictest0-21swapper/208:01:142
1200099575,17cyclictest0-21swapper/110:43:041
1200099575,17cyclictest0-21swapper/110:43:041
1200099575,15cyclictest0-21swapper/110:10:371
1200099574,48cyclictest0-21swapper/110:21:261
1200099574,28cyclictest0-21swapper/110:16:541
1200099574,17cyclictest0-21swapper/111:13:501
1200099574,14cyclictest0-21swapper/109:46:251
1200099574,13cyclictest0-21swapper/109:54:161
1200099574,13cyclictest0-21swapper/109:33:511
1200099574,12cyclictest0-21swapper/110:30:561
12000995723,12cyclictest0-21swapper/109:01:231
11994995728,9cyclictest30248-21cat10:25:560
194082563,46sleep00-21swapper/012:28:130
12002995641,10cyclictest0-21swapper/308:33:373
12002995637,12cyclictest0-21swapper/308:41:313
1200299562,48cyclictest0-21swapper/307:06:413
1200299562,14cyclictest0-21swapper/307:16:303
1200299562,12cyclictest0-21swapper/309:01:013
12001995641,9cyclictest24638-21grep08:31:342
1200199563,13cyclictest0-21swapper/208:26:122
1200199563,11cyclictest0-21swapper/207:06:342
1200199562,48cyclictest0-21swapper/208:36:112
1200199562,12cyclictest0-21swapper/207:46:292
1200099564,13cyclictest0-21swapper/108:16:201
1200099564,12cyclictest0-21swapper/108:01:261
24192557,40sleep00-21swapper/007:46:250
1200199552,47cyclictest0-21swapper/207:05:262
1200099554,13cyclictest0-21swapper/107:26:171
1200099554,13cyclictest0-21swapper/107:16:241
1200099554,12cyclictest0-21swapper/107:36:281
1200099553,31cyclictest0-21swapper/107:02:311
1199499554,43cyclictest0-21swapper/010:17:520
1199499554,40cyclictest0-21swapper/011:46:520
12002995436,12cyclictest0-21swapper/307:46:273
1200099546,16cyclictest0-21swapper/107:41:351
1200099544,14cyclictest0-21swapper/107:51:261
1200099544,12cyclictest0-21swapper/107:06:251
1199499549,37cyclictest0-21swapper/009:36:040
11994995429,10cyclictest17356-21grep07:11:170
11994995426,12cyclictest0-21swapper/011:10:590
219499530,5rtkit-daemon2193-21rtkit-daemon07:36:233
133242532,44sleep00-21swapper/010:00:580
129352532,44sleep00-21swapper/008:08:380
1200299533,43cyclictest0-21swapper/308:06:193
1200099534,43cyclictest0-21swapper/108:10:371
1200099534,13cyclictest0-21swapper/107:21:151
1200099534,13cyclictest0-21swapper/107:21:151
1200099533,23cyclictest29463-21users08:41:341
12000995323,16cyclictest0-21swapper/107:11:201
11994995325,12cyclictest0-21swapper/010:36:190
11994995324,12cyclictest0-21swapper/009:55:580
41452522,43sleep00-21swapper/010:34:080
249572523,10sleep10-21swapper/108:34:521
239302524,41sleep324131-21systemd-cgroups07:26:053
219499520,5rtkit-daemon2193-21rtkit-daemon07:31:163
212122522,9sleep20-21swapper/207:17:052
19102522,43sleep00-21swapper/008:52:040
12002995238,9cyclictest0-21swapper/307:56:273
1200199528,38cyclictest0-21swapper/208:16:322
1199499523,21cyclictest16283-21ssh12:24:250
11994995229,9cyclictest4091-21iostat_ios12:06:150
11994995225,12cyclictest0-21swapper/011:01:250
11994995223,12cyclictest0-21swapper/011:31:250
1200299513,9cyclictest3850-21aten_r1power_en07:51:133
12001995137,9cyclictest30513-21cat07:36:352
12001995133,10cyclictest24998-21cut07:26:232
1200099515,30cyclictest0-21swapper/108:56:101
12000995133,12cyclictest14232-21head08:11:221
1200099513,21cyclictest0-21swapper/107:34:001
1199499515,26cyclictest0-21swapper/009:11:300
11994995124,12cyclictest0-21swapper/011:51:210
11994995124,12cyclictest0-21swapper/010:11:320
11994995123,12cyclictest0-21swapper/007:41:210
11994995120,18cyclictest0-21swapper/011:44:430
53602502,9sleep00-21swapper/009:46:390
219499500,5rtkit-daemon2193-21rtkit-daemon07:41:233
1200299502,41cyclictest0-21swapper/308:01:143
1200199507,27cyclictest0-21swapper/208:16:032
1200199505,35cyclictest0-21swapper/208:06:292
1200199503,29cyclictest0-21swapper/208:21:282
1200199502,40cyclictest0-21swapper/208:46:122
1200199502,40cyclictest0-21swapper/208:46:122
1199499504,40cyclictest0-21swapper/009:20:330
11994995029,8cyclictest15826-21diskstats10:51:110
11994995029,14cyclictest0-21swapper/009:41:100
11994995021,13cyclictest0-21swapper/007:39:480
11994995011,13cyclictest0-21swapper/010:56:200
219499490,4rtkit-daemon2193-21rtkit-daemon07:00:253
12002994936,8cyclictest19197-21cat07:16:043
12002994935,8cyclictest14807-21python08:11:323
1200199494,38cyclictest0-21swapper/208:41:162
1200199492,41cyclictest0-21swapper/207:15:392
1200099495,27cyclictest20289-21munin-run08:26:001
11994994930,7cyclictest29827-21ssh11:56:240
11994994928,14cyclictest0-21swapper/012:11:080
11994994922,13cyclictest0-21swapper/010:08:030
11994994922,13cyclictest0-21swapper/010:01:310
11994994922,12cyclictest0-21swapper/009:26:220
11994994922,12cyclictest0-21swapper/008:26:190
11994994921,14cyclictest0-21swapper/009:10:450
11994994921,13cyclictest0-21swapper/007:16:230
11994994917,19cyclictest12739-21ssh12:19:150
319622482,39sleep00-21swapper/008:47:490
319622482,39sleep00-21swapper/008:47:490
12002994832,11cyclictest0-21swapper/308:36:123
1200199483,38cyclictest0-21swapper/207:52:252
12001994811,31cyclictest21885-21tail07:21:152
12001994811,31cyclictest21885-21tail07:21:152
1199499484,25cyclictest0-21swapper/011:24:470
1199499484,25cyclictest0-21swapper/011:24:470
11994994827,10cyclictest0-21swapper/010:50:310
11994994822,11cyclictest0-21swapper/010:26:170
11994994821,12cyclictest0-21swapper/009:01:460
11994994820,8cyclictest24832-21sort07:26:210
271482472,39sleep00-21swapper/008:37:210
200222472,9sleep00-21swapper/008:22:410
178782472,39sleep00-21swapper/008:20:520
164282472,38sleep00-21swapper/007:06:550
1199499475,36cyclictest0-21swapper/008:04:520
1199499474,19cyclictest0-21swapper/007:23:400
1199499474,19cyclictest0-21swapper/007:23:400
11994994724,9cyclictest9338-21ssh10:41:190
11994994724,9cyclictest9338-21ssh10:41:190
56682462,38sleep00-21swapper/007:52:140
217682462,9sleep30-21swapper/308:26:273
152962462,9sleep00-21swapper/008:13:180
1199499464,35cyclictest0-21swapper/007:31:220
11994994619,12cyclictest0-21swapper/008:41:190
45282452,9sleep00-21swapper/008:58:370
1200199454,35cyclictest0-21swapper/207:01:052
11994994522,9cyclictest22963-21telnet08:31:120
119272454,6sleep00-21swapper/007:00:380
1200299442,38cyclictest0-21swapper/308:51:113
11994994228,8cyclictest1227-21runrttasks07:56:180
1200099393,11cyclictest0-21swapper/107:01:041
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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