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2026-08-13 - 20:21

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 Thu Aug 13, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288999994,79cyclictest0-21swapper/010:53:290
288999964,25cyclictest0-21swapper/008:30:380
2889999620,12cyclictest0-21swapper/009:38:180
288999954,27cyclictest0-21swapper/009:18:270
288999954,27cyclictest0-21swapper/009:18:270
288999944,25cyclictest0-21swapper/009:51:370
288999943,27cyclictest0-21swapper/009:36:490
288999924,25cyclictest0-21swapper/010:37:550
2889999216,10cyclictest1227-21runrttasks09:54:430
288999914,27cyclictest0-21swapper/006:23:300
288999914,25cyclictest0-21swapper/006:04:470
288999904,79cyclictest0-21swapper/009:02:570
288999904,28cyclictest0-21swapper/008:43:100
288999904,26cyclictest0-21swapper/010:29:300
288999904,26cyclictest0-21swapper/010:13:490
288999904,26cyclictest0-21swapper/008:33:200
288999903,27cyclictest0-21swapper/011:25:570
288999899,22cyclictest0-21swapper/009:10:350
288999894,76cyclictest0-21swapper/009:27:510
288999894,29cyclictest0-21swapper/009:28:130
288999894,26cyclictest0-21swapper/007:59:460
288999894,26cyclictest0-21swapper/007:59:460
288999894,25cyclictest0-21swapper/010:59:350
288999894,25cyclictest0-21swapper/008:08:540
288999885,25cyclictest0-21swapper/010:38:260
288999885,25cyclictest0-21swapper/010:38:260
288999884,77cyclictest18279-21ssh10:08:190
288999884,28cyclictest0-21swapper/008:13:200
288999884,24cyclictest0-21swapper/011:20:020
288999884,24cyclictest0-21swapper/011:20:020
288999883,77cyclictest0-21swapper/010:48:300
288999874,76cyclictest0-21swapper/006:13:050
288999874,29cyclictest0-21swapper/008:03:590
288999874,25cyclictest0-21swapper/009:06:540
288999873,75cyclictest0-21swapper/010:18:280
288999873,13cyclictest27913-21diskmemload11:08:140
2889998718,13cyclictest0-21swapper/008:39:470
2889998718,13cyclictest0-21swapper/008:39:470
288999865,26cyclictest0-21swapper/010:05:590
288999864,74cyclictest0-21swapper/009:13:200
288999864,25cyclictest0-21swapper/008:23:490
288999863,26cyclictest0-21swapper/011:16:380
288999863,26cyclictest0-21swapper/010:46:540
2889998628,51cyclictest0-21swapper/011:05:140
288999854,73cyclictest0-21swapper/009:58:220
288999854,73cyclictest0-21swapper/009:58:220
288999854,72cyclictest0-21swapper/005:58:160
288999854,25cyclictest0-21swapper/009:43:340
288999854,25cyclictest0-21swapper/008:20:310
2889998431,46cyclictest20277-21unixbench_multi07:38:330
2889998427,50cyclictest0-21swapper/008:53:340
288999834,69cyclictest0-21swapper/008:51:250
2889998213,11cyclictest0-21swapper/010:23:010
288999816,13cyclictest0-21swapper/006:33:040
288999807,20cyclictest0-21swapper/006:43:220
288999804,31cyclictest0-21swapper/006:13:210
288999803,21cyclictest0-21swapper/007:36:040
288999803,21cyclictest0-21swapper/007:11:000
288999803,14cyclictest0-21swapper/007:48:220
2889998029,45cyclictest2160-21tr07:03:160
288999794,11cyclictest0-21swapper/006:48:200
288999793,21cyclictest0-21swapper/006:55:570
288999784,33cyclictest0-21swapper/006:33:190
288999784,33cyclictest0-21swapper/006:33:190
2889997824,9cyclictest1227-21runrttasks06:39:400
288999764,29cyclictest0-21swapper/007:43:180
288999764,16cyclictest0-21swapper/006:58:150
288999764,13cyclictest0-21swapper/006:22:250
288999763,12cyclictest0-21swapper/007:53:350
2889997623,9cyclictest6768-21aten2.4-expect07:13:130
288999753,25cyclictest11758-21grep07:23:150
288999743,31cyclictest0-21swapper/007:29:090
288999743,28cyclictest0-21swapper/007:20:500
288999743,28cyclictest0-21swapper/007:20:500
289599737,52cyclictest0-21swapper/311:02:543
153202713,25sleep10-21swapper/108:26:231
252932694,11sleep20-21swapper/208:41:482
252932694,11sleep20-21swapper/208:41:482
295602670,8chrt289499cyclictest07:58:292
295602670,8chrt289499cyclictest07:58:292
289399665,51cyclictest0-21swapper/110:38:161
289399665,51cyclictest0-21swapper/110:38:161
289499652,57cyclictest0-21swapper/208:18:172
289399655,51cyclictest0-21swapper/107:44:501
289399654,51cyclictest0-21swapper/109:23:261
289399653,10cyclictest0-21swapper/108:16:031
289399645,50cyclictest0-21swapper/106:53:041
289399634,51cyclictest0-21swapper/111:23:081
289399634,50cyclictest0-21swapper/109:39:171
2894996240,14cyclictest0-21swapper/210:08:152
289499624,50cyclictest0-21swapper/210:20:012
289399624,49cyclictest0-21swapper/109:12:581
289399624,33cyclictest0-21swapper/110:57:421
219499620,20rtkit-daemon2193-21rtkit-daemon08:50:361
289599614,48cyclictest0-21swapper/308:13:153
2894996142,13cyclictest0-21swapper/208:58:302
2894996142,12cyclictest0-21swapper/211:13:242
2894996140,14cyclictest0-21swapper/210:53:132
289499614,50cyclictest0-21swapper/209:13:292
289399615,48cyclictest0-21swapper/108:43:191
289399614,50cyclictest0-21swapper/107:41:511
289399614,49cyclictest0-21swapper/110:27:551
289399614,49cyclictest0-21swapper/110:07:361
289399614,49cyclictest0-21swapper/110:00:231
289399614,49cyclictest0-21swapper/110:00:231
289399614,49cyclictest0-21swapper/108:08:291
289399614,49cyclictest0-21swapper/108:00:051
289399614,49cyclictest0-21swapper/108:00:051
289399614,49cyclictest0-21swapper/106:38:041
289399614,49cyclictest0-21swapper/106:38:041
289399613,52cyclictest0-21swapper/109:28:281
289399613,50cyclictest0-21swapper/108:53:191
289399613,48cyclictest28030-21grep09:33:301
2893996112,8cyclictest0-21swapper/111:18:161
2893996112,8cyclictest0-21swapper/111:18:161
289599604,23cyclictest0-21swapper/308:43:473
2894996042,12cyclictest0-21swapper/206:48:342
289499604,48cyclictest3040-21unixbench-2d10:33:252
289499604,48cyclictest0-21swapper/209:53:072
2894996039,14cyclictest0-21swapper/206:23:302
289399604,49cyclictest0-21swapper/109:13:261
2893996016,24cyclictest0-21swapper/109:20:001
2893996016,24cyclictest0-21swapper/109:20:001
289499595,37cyclictest0-21swapper/208:04:192
2894995943,11cyclictest0-21swapper/210:02:512
2894995943,11cyclictest0-21swapper/210:02:512
289499594,38cyclictest0-21swapper/211:27:082
289499594,27cyclictest0-21swapper/210:07:562
2894995939,13cyclictest0-21swapper/208:43:242
2894995938,13cyclictest0-21swapper/208:08:142
289499592,51cyclictest0-21swapper/209:39:182
2894995918,33cyclictest4948-21grep07:08:212
289399595,47cyclictest0-21swapper/110:43:481
289399595,32cyclictest0-21swapper/106:18:041
2893995942,9cyclictest30234-21gltestperf06:53:201
289399594,48cyclictest0-21swapper/111:08:221
289399594,47cyclictest0-21swapper/108:33:061
289399594,46cyclictest0-21swapper/110:08:121
289399594,33cyclictest0-21swapper/109:56:331
2894995842,11cyclictest0-21swapper/207:23:362
2894995838,13cyclictest0-21swapper/211:18:102
2894995838,13cyclictest0-21swapper/211:18:102
2894995838,13cyclictest0-21swapper/207:48:142
2894995837,14cyclictest0-21swapper/209:28:332
2894995830,13cyclictest0-21swapper/210:43:582
2894995828,13cyclictest0-21swapper/210:58:062
2894995828,12cyclictest0-21swapper/208:24:332
289399584,47cyclictest0-21swapper/110:36:321
289399584,47cyclictest0-21swapper/108:22:011
289399584,46cyclictest0-21swapper/106:20:211
289399583,48cyclictest0-21swapper/109:03:291
289399583,47cyclictest0-21swapper/108:28:321
111762583,12sleep30-21swapper/308:18:353
289599574,36cyclictest0-21swapper/311:23:213
2895995739,10cyclictest4818-21unixbench_multi05:58:373
2895995726,24cyclictest0-21swapper/309:23:133
289499575,45cyclictest0-21swapper/209:12:572
289499575,44cyclictest0-21swapper/209:03:152
289499574,45cyclictest0-21swapper/209:43:142
2894995728,13cyclictest0-21swapper/209:20:422
2894995728,13cyclictest0-21swapper/209:20:422
289499572,49cyclictest0-21swapper/210:28:032
289399574,47cyclictest0-21swapper/107:10:251
289399574,46cyclictest0-21swapper/110:58:171
289399574,45cyclictest0-21swapper/109:52:511
2893995718,22cyclictest29272-21timerandwakeup11:13:251
240332573,11sleep10-21swapper/108:38:281
240332573,11sleep10-21swapper/108:38:281
239072573,12sleep30-21swapper/308:38:263
239072573,12sleep30-21swapper/308:38:263
219499570,5rtkit-daemon2193-21rtkit-daemon06:39:331
289599566,38cyclictest0-21swapper/310:39:233
289599566,38cyclictest0-21swapper/310:39:233
289599564,45cyclictest6800-21munin-node09:03:103
2895995621,27cyclictest3104-21nscd08:58:123
2895995620,29cyclictest29159-21munin-node08:48:263
2895995618,21cyclictest26850-21wc09:33:113
289499562,49cyclictest0-21swapper/208:29:322
289499562,48cyclictest0-21swapper/211:08:092
289499562,48cyclictest0-21swapper/206:03:162
289399564,45cyclictest0-21swapper/108:03:111
310092553,11sleep10-21swapper/110:28:141
289599555,24cyclictest0-21swapper/310:24:283
2895995522,23cyclictest29887-21aten_r1power_po09:38:093
2895995515,9cyclictest7437-21tail09:53:063
289499555,30cyclictest0-21swapper/206:13:322
289499554,43cyclictest0-21swapper/208:48:202
289399553,45cyclictest21724-21needreboot10:13:211
135382553,45sleep10-21swapper/107:27:411
127062552,10sleep30-21swapper/308:23:063
289599544,42cyclictest0-21swapper/308:03:153
289499544,43cyclictest0-21swapper/210:48:102
289499544,36cyclictest0-21swapper/211:03:572
2894995437,9cyclictest26471-21grep07:53:182
289499543,45cyclictest0-21swapper/208:56:012
289499543,44cyclictest0-21swapper/209:48:302
289499543,33cyclictest0-21swapper/207:38:212
289499542,47cyclictest0-21swapper/209:24:102
289399545,41cyclictest0-21swapper/107:03:211
289399545,30cyclictest0-21swapper/106:28:221
289399544,44cyclictest0-21swapper/109:46:251
289399543,43cyclictest24087-21munin-run11:07:531
219499540,5rtkit-daemon2193-21rtkit-daemon05:53:280
3772532,10sleep30-21swapper/308:53:143
289599534,41cyclictest0-21swapper/310:16:273
289599534,29cyclictest0-21swapper/309:48:453
289599534,29cyclictest0-21swapper/307:53:113
2895995334,12cyclictest32101-21tr06:58:173
289599533,44cyclictest0-21swapper/310:58:183
289499535,41cyclictest0-21swapper/207:03:322
289499534,41cyclictest0-21swapper/210:23:082
289499534,41cyclictest0-21swapper/208:13:152
2894995338,10cyclictest0-21swapper/210:42:512
2894995338,10cyclictest0-21swapper/210:42:512
289399533,10cyclictest0-21swapper/110:48:211
219499530,4rtkit-daemon2193-21rtkit-daemon10:18:251
298642522,9sleep30-21swapper/311:14:533
289599525,39cyclictest0-21swapper/310:28:143
289599525,28cyclictest0-21swapper/308:33:153
289599524,41cyclictest0-21swapper/310:37:493
2895995216,27cyclictest0-21swapper/309:58:133
2895995216,27cyclictest0-21swapper/309:58:133
289499525,38cyclictest0-21swapper/206:41:552
289499524,37cyclictest0-21swapper/206:33:172
289499524,37cyclictest0-21swapper/206:33:172
289499524,29cyclictest0-21swapper/209:33:162
2894995237,10cyclictest0-21swapper/207:28:292
289499523,43cyclictest0-21swapper/210:16:422
289399523,23cyclictest0-21swapper/108:58:231
219499520,5rtkit-daemon2193-21rtkit-daemon07:34:161
219499520,5rtkit-daemon2193-21rtkit-daemon07:13:321
314492512,10sleep20-21swapper/206:57:072
289599517,37cyclictest0-21swapper/310:44:073
289599514,28cyclictest0-21swapper/309:18:263
289599514,28cyclictest0-21swapper/309:18:263
2895995133,11cyclictest6950-21cpuspeed_turbos07:13:153
2895995113,31cyclictest0-21swapper/309:29:413
289499515,28cyclictest0-21swapper/206:18:272
289499514,40cyclictest0-21swapper/208:33:182
289499514,39cyclictest0-21swapper/206:08:222
289499514,29cyclictest0-21swapper/206:58:322
289499514,29cyclictest0-21swapper/206:43:242
289499512,43cyclictest0-21swapper/207:15:452
289399515,40cyclictest0-21swapper/107:48:291
289399514,29cyclictest4376-21runrttasks05:58:311
289399514,27cyclictest0-21swapper/107:33:021
2893995134,11cyclictest8328-21df_abs06:08:201
219499510,4rtkit-daemon2193-21rtkit-daemon07:18:241
219499510,4rtkit-daemon2193-21rtkit-daemon07:18:241
148122513,8sleep314828-21iostat_ios07:28:243
122162512,10sleep30-21swapper/306:15:243
289599504,28cyclictest0-21swapper/310:05:123
289599504,28cyclictest0-21swapper/309:17:573
289599504,28cyclictest0-21swapper/306:43:193
289599504,12cyclictest0-21swapper/307:36:043
2895995031,12cyclictest24554-21needreboot07:48:273
2895995016,25cyclictest0-21swapper/306:18:183
2895995010,23cyclictest25204-21head11:08:133
289399505,28cyclictest0-21swapper/106:48:041
2893995010,13cyclictest0-21swapper/106:03:411
193862502,10sleep30-21swapper/306:30:353
289599495,26cyclictest0-21swapper/309:08:333
289599495,14cyclictest0-21swapper/308:31:263
289599494,27cyclictest0-21swapper/310:55:233
289599494,27cyclictest0-21swapper/307:23:363
2895994930,13cyclictest0-21swapper/311:18:113
2895994930,13cyclictest0-21swapper/311:18:113
289599493,40cyclictest0-21swapper/307:58:203
289599493,40cyclictest0-21swapper/307:58:203
289499494,27cyclictest0-21swapper/207:48:002
2894994934,10cyclictest0-21swapper/207:18:372
2894994934,10cyclictest0-21swapper/207:18:372
2894994934,10cyclictest0-21swapper/206:28:282
289399494,29cyclictest0-21swapper/107:57:491
289399494,26cyclictest0-21swapper/106:58:261
289399493,13cyclictest0-21swapper/106:23:331
195542492,41sleep30-21swapper/310:10:223
53902483,37sleep30-21swapper/307:08:293
289599486,37cyclictest0-21swapper/308:10:263
289599484,37cyclictest0-21swapper/310:18:063
289599484,14cyclictest0-21swapper/309:43:193
289599483,27cyclictest0-21swapper/307:43:023
2895994827,13cyclictest0-21swapper/310:48:283
2894994834,8cyclictest16765-21diskstats07:33:172
2894994829,13cyclictest0-21swapper/205:58:232
90582473,37sleep30-21swapper/306:08:303
289599474,26cyclictest0-21swapper/306:40:553
289599474,25cyclictest0-21swapper/307:05:593
2895994729,11cyclictest27796-21gltestperf06:48:233
169652472,10sleep30-21swapper/306:25:073
289599464,34cyclictest0-21swapper/307:43:283
289599463,34cyclictest20159-21tr06:33:173
289599463,34cyclictest20159-21tr06:33:173
2895994628,11cyclictest1227-21runrttasks06:53:053
74922452,37sleep30-21swapper/306:06:043
289599443,34cyclictest9841-21gltestperf07:18:223
289599443,34cyclictest9841-21gltestperf07:18:223
289399415,29cyclictest0-21swapper/105:58:051
289599384,29cyclictest0-21swapper/305:58:063
27832354,25sleep20-21swapper/205:57:092
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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