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2026-07-30 - 22:07

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 Thu Jul 30, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215599972,54cyclictest0-21swapper/107:16:391
215799944,12cyclictest0-21swapper/310:34:493
215799934,65cyclictest3297-21telnet10:01:163
236572910,5sleep334-21rcuc/309:41:303
215799913,63cyclictest14281-21memory10:16:293
215799913,62cyclictest0-21swapper/306:41:263
215799913,62cyclictest0-21swapper/306:41:263
2157999118,50cyclictest0-21swapper/310:09:213
215799904,64cyclictest0-21swapper/308:11:233
215799904,12cyclictest0-21swapper/311:10:533
215799904,12cyclictest0-21swapper/310:41:173
215799903,9cyclictest6753-21python08:26:403
215799894,62cyclictest0-21swapper/308:52:513
215799894,60cyclictest0-21swapper/306:16:353
215799894,58cyclictest0-21swapper/306:46:463
215799893,62cyclictest18789-21chrt10:23:393
215799893,62cyclictest0-21swapper/309:05:413
2155998925,30cyclictest0-21swapper/109:21:101
215799884,62cyclictest0-21swapper/310:53:043
215799884,62cyclictest0-21swapper/310:53:043
215799884,61cyclictest0-21swapper/311:03:443
215799884,61cyclictest0-21swapper/308:48:383
215799883,13cyclictest0-21swapper/307:19:233
2157998823,43cyclictest0-21swapper/308:23:203
2157998814,54cyclictest0-21swapper/308:56:293
215799879,56cyclictest0-21swapper/310:27:553
215799877,58cyclictest0-21swapper/309:28:383
215799877,58cyclictest0-21swapper/309:28:383
215799875,13cyclictest0-21swapper/310:47:303
215799874,13cyclictest0-21swapper/311:26:223
215799874,13cyclictest0-21swapper/309:19:583
215799874,12cyclictest0-21swapper/309:59:003
215799874,11cyclictest0-21swapper/311:16:383
215799873,62cyclictest0-21swapper/309:50:103
295012860,7sleep10-21swapper/109:51:241
215799865,12cyclictest0-21swapper/309:08:133
215799864,9cyclictest7729-21df_inode10:56:203
215799864,69cyclictest0-21swapper/309:34:143
215799864,69cyclictest0-21swapper/309:34:143
215799864,12cyclictest0-21swapper/310:12:353
215799864,12cyclictest0-21swapper/310:12:353
215799864,12cyclictest0-21swapper/306:21:273
215799864,11cyclictest0-21swapper/311:23:313
2157998610,54cyclictest0-21swapper/308:31:543
215799854,58cyclictest0-21swapper/309:21:503
215799854,12cyclictest0-21swapper/309:39:443
215799853,58cyclictest0-21swapper/311:31:143
215799853,58cyclictest0-21swapper/311:31:143
2157998520,40cyclictest0-21swapper/308:17:283
2157998519,48cyclictest1227-21runrttasks09:53:523
215799844,63cyclictest0-21swapper/308:36:213
215799844,63cyclictest0-21swapper/307:01:283
215799844,59cyclictest0-21swapper/308:44:423
215799844,57cyclictest17612-21diskstats11:11:203
215799843,13cyclictest0-21swapper/311:39:523
215799835,11cyclictest0-21swapper/308:01:373
2157998316,48cyclictest11964-21munin-node06:31:453
2157998311,51cyclictest28080-21awk10:36:373
215799825,12cyclictest0-21swapper/307:31:513
215799824,12cyclictest0-21swapper/309:11:183
215799823,10cyclictest0-21swapper/307:41:443
215799814,11cyclictest0-21swapper/306:58:273
215799804,52cyclictest0-21swapper/307:55:573
215799804,12cyclictest0-21swapper/307:39:133
215799794,60cyclictest0-21swapper/307:21:273
215799794,60cyclictest0-21swapper/307:21:273
215799794,53cyclictest20279-21munin-node07:56:323
215799794,12cyclictest0-21swapper/306:29:543
215799794,12cyclictest0-21swapper/306:13:593
215799784,15cyclictest0-21swapper/306:56:093
215799775,12cyclictest0-21swapper/307:47:213
215799774,56cyclictest0-21swapper/307:10:523
215799773,9cyclictest27219-21crond08:11:103
215799773,9cyclictest27219-21crond08:11:103
2157997711,9cyclictest31925-21gltestperf07:11:323
215799764,54cyclictest0-21swapper/307:26:593
215799723,13cyclictest0-21swapper/306:36:383
252932660,4sleep225412-21unixbench_singl11:21:362
215799664,13cyclictest0-21swapper/306:11:163
2155996551,9cyclictest16950-21munin-node09:31:301
2155996551,9cyclictest16950-21munin-node09:31:301
215599654,52cyclictest24301-21yum09:41:411
219499630,5rtkit-daemon2193-21rtkit-daemon06:11:260
215699634,50cyclictest0-21swapper/211:01:242
215699634,12cyclictest0-21swapper/208:30:582
2155996348,10cyclictest0-21swapper/108:36:371
215599633,51cyclictest6159-21cut09:16:191
215199633,53cyclictest0-21swapper/010:11:320
215199633,53cyclictest0-21swapper/010:11:320
219499620,5rtkit-daemon1227-21runrttasks07:57:452
2155996223,32cyclictest17089-21unixbench_singl08:41:431
2151996246,11cyclictest0-21swapper/011:11:360
215199623,52cyclictest0-21swapper/008:41:240
45622606,46sleep10-21swapper/106:16:151
215699606,44cyclictest0-21swapper/207:52:062
215699604,14cyclictest0-21swapper/209:41:222
215699603,12cyclictest0-21swapper/206:51:302
2156996025,12cyclictest6305-21crond10:06:052
2156996018,10cyclictest24215-21sh08:53:402
2151996044,11cyclictest0-21swapper/010:26:060
215199604,49cyclictest0-21swapper/009:31:370
215199604,49cyclictest0-21swapper/009:31:370
215699595,14cyclictest0-21swapper/209:06:482
215699594,31cyclictest0-21swapper/209:51:542
215699594,14cyclictest0-21swapper/207:09:002
215699594,12cyclictest0-21swapper/208:35:352
2155995943,11cyclictest0-21swapper/110:51:351
2155995943,11cyclictest0-21swapper/110:51:351
2155995942,12cyclictest0-21swapper/110:08:371
215599594,48cyclictest27898-21rm11:26:221
2155995932,21cyclictest31090-21grep11:31:231
2155995932,21cyclictest31090-21grep11:31:231
2151995944,10cyclictest0-21swapper/011:24:430
2151995939,13cyclictest0-21swapper/009:16:370
215199593,49cyclictest0-21swapper/009:51:590
215699584,12cyclictest0-21swapper/211:29:292
2155995843,10cyclictest0-21swapper/111:15:211
2155995843,10cyclictest0-21swapper/110:22:101
2155995843,10cyclictest0-21swapper/109:56:231
2155995842,11cyclictest0-21swapper/110:40:071
2155995841,12cyclictest0-21swapper/110:31:231
2151995840,12cyclictest0-21swapper/010:06:190
247232570,6sleep015-21rcuc/010:31:380
215699575,13cyclictest0-21swapper/210:38:522
215699574,37cyclictest0-21swapper/208:13:092
215699574,32cyclictest0-21swapper/207:39:132
215699574,13cyclictest0-21swapper/210:25:062
215699574,13cyclictest0-21swapper/208:22:132
215699574,12cyclictest0-21swapper/208:17:032
2156995739,9cyclictest1405-21cpuspeed_turbos07:16:262
215699573,10cyclictest39942sleep209:11:342
2156995724,13cyclictest0-21swapper/207:41:302
2156995719,13cyclictest0-21swapper/211:16:042
2155995743,9cyclictest0-21swapper/109:47:281
2155995742,10cyclictest0-21swapper/108:51:051
2155995738,12cyclictest0-21swapper/111:01:151
2155995737,13cyclictest0-21swapper/110:26:341
2151995738,13cyclictest0-21swapper/010:16:170
2151995730,12cyclictest0-21swapper/009:02:080
215699565,15cyclictest0-21swapper/211:38:162
215699564,13cyclictest0-21swapper/209:04:352
215699564,12cyclictest0-21swapper/211:09:472
215699564,12cyclictest0-21swapper/210:33:282
215699564,11cyclictest18830-21cpuspeed08:46:252
2156995636,10cyclictest15859-21cpuspeed_turbos07:46:272
215699563,11cyclictest1124-21snmpd09:31:182
215699563,11cyclictest1124-21snmpd09:31:182
2155995642,9cyclictest0-21swapper/110:44:101
2155995642,9cyclictest0-21swapper/108:33:361
2155995642,9cyclictest0-21swapper/108:11:291
2155995641,10cyclictest0-21swapper/109:02:291
2155995641,10cyclictest0-21swapper/108:55:501
2155995640,12cyclictest0-21swapper/110:17:091
215599563,47cyclictest0-21swapper/108:29:511
215599563,47cyclictest0-21swapper/108:16:231
215599563,46cyclictest0-21swapper/111:36:561
2151995641,11cyclictest0-21swapper/008:33:270
215199563,46cyclictest3326-21wc08:21:390
215199563,46cyclictest0-21swapper/011:01:200
215699558,28cyclictest0-21swapper/210:42:432
2156995538,10cyclictest4742-21grep10:51:252
2156995538,10cyclictest4742-21grep10:51:252
2156995535,11cyclictest8531-21proc_pri06:21:422
2156995535,11cyclictest19823-21tune2fs06:46:312
2156995522,13cyclictest0-21swapper/211:31:342
2156995522,13cyclictest0-21swapper/211:31:342
2156995521,14cyclictest0-21swapper/210:15:132
2156995521,14cyclictest0-21swapper/210:15:132
2155995541,9cyclictest0-21swapper/111:01:021
2155995541,9cyclictest0-21swapper/110:05:201
2155995541,9cyclictest0-21swapper/108:22:151
2155995540,10cyclictest573-21ntpq09:06:351
215599554,44cyclictest4937-21rm09:12:561
2155995539,11cyclictest0-21swapper/109:36:321
2155995536,12cyclictest0-21swapper/108:56:211
2151995539,11cyclictest0-21swapper/010:45:110
2151995538,12cyclictest0-21swapper/008:46:350
2151995537,12cyclictest0-21swapper/010:30:500
2151995536,12cyclictest0-21swapper/009:56:270
2151995536,12cyclictest0-21swapper/008:36:380
2151995512,36cyclictest0-21swapper/010:01:200
74492543,43sleep20-21swapper/207:26:422
32862543,7sleep00-21swapper/011:37:430
276302544,12sleep20-21swapper/208:59:092
240962543,7sleep024107-21python08:01:390
215699549,25cyclictest0-21swapper/211:18:242
215699544,31cyclictest0-21swapper/208:41:462
215699544,31cyclictest0-21swapper/207:14:092
215699544,31cyclictest0-21swapper/206:39:032
215699544,29cyclictest0-21swapper/206:56:472
215699543,30cyclictest0-21swapper/209:46:172
2156995422,12cyclictest8622-21find10:56:342
2156995421,15cyclictest0-21swapper/209:20:022
2156995421,13cyclictest0-21swapper/210:26:192
2155995440,10cyclictest0-21swapper/111:19:281
2155995439,11cyclictest0-21swapper/111:06:381
2155995438,11cyclictest0-21swapper/110:15:151
2155995438,11cyclictest0-21swapper/110:15:151
2151995439,10cyclictest0-21swapper/007:11:390
2151995436,13cyclictest0-21swapper/010:41:050
215199543,45cyclictest0-21swapper/010:52:400
215199543,45cyclictest0-21swapper/010:52:400
215199543,45cyclictest0-21swapper/009:14:470
58412535,41sleep00-21swapper/008:26:260
53752537,10sleep10-21swapper/106:16:311
230602534,10sleep00-21swapper/011:20:050
215699535,42cyclictest0-21swapper/209:56:392
215699535,29cyclictest0-21swapper/209:21:302
215699535,27cyclictest0-21swapper/209:26:392
215699535,27cyclictest0-21swapper/209:26:392
215699534,30cyclictest0-21swapper/209:41:032
215699534,30cyclictest0-21swapper/206:46:142
215699534,30cyclictest0-21swapper/206:46:142
215699534,30cyclictest0-21swapper/206:26:242
215699534,29cyclictest0-21swapper/210:06:322
215699534,29cyclictest0-21swapper/206:18:592
215699534,28cyclictest0-21swapper/207:31:262
2156995321,13cyclictest0-21swapper/208:06:322
2156995321,13cyclictest0-21swapper/208:06:322
2156995318,21cyclictest14803-21timerwakeupswit10:16:382
2156995310,25cyclictest0-21swapper/208:36:352
2155995338,11cyclictest0-21swapper/110:46:501
2155995338,11cyclictest0-21swapper/107:21:381
2155995338,11cyclictest0-21swapper/107:21:381
2151995339,10cyclictest0-21swapper/010:48:410
2151995338,11cyclictest0-21swapper/009:36:460
2151995336,12cyclictest0-21swapper/009:27:370
2151995336,12cyclictest0-21swapper/009:27:370
2151995330,11cyclictest0-21swapper/011:26:120
120122533,9sleep00-21swapper/009:24:550
215699524,30cyclictest0-21swapper/207:21:392
215699524,30cyclictest0-21swapper/207:21:392
215699524,29cyclictest0-21swapper/210:46:162
215699524,29cyclictest0-21swapper/207:01:342
215699524,29cyclictest0-21swapper/206:31:292
2155995236,11cyclictest0-21swapper/109:26:291
2155995236,11cyclictest0-21swapper/109:26:291
2155995236,11cyclictest0-21swapper/107:06:321
215599523,43cyclictest23897-21munin-node06:56:351
215599523,43cyclictest0-21swapper/107:11:261
215199524,41cyclictest0-21swapper/006:31:280
2151995238,9cyclictest0-21swapper/008:58:550
2151995238,10cyclictest0-21swapper/008:12:420
2151995235,12cyclictest0-21swapper/011:06:260
2151995234,12cyclictest0-21swapper/009:10:070
215199523,44cyclictest0-21swapper/009:43:500
188822525,10sleep00-21swapper/006:46:130
188822525,10sleep00-21swapper/006:46:130
270582513,43sleep10-21swapper/108:09:131
270582513,43sleep10-21swapper/108:09:131
215699514,28cyclictest0-21swapper/208:01:312
2155995136,11cyclictest0-21swapper/111:21:111
2155995136,10cyclictest0-21swapper/106:51:231
2151995134,12cyclictest0-21swapper/011:31:110
2151995134,12cyclictest0-21swapper/011:31:110
2151995134,12cyclictest0-21swapper/008:51:290
2151995133,13cyclictest0-21swapper/008:16:210
2151995132,14cyclictest0-21swapper/007:16:410
2151995131,14cyclictest0-21swapper/009:46:190
215199513,41cyclictest1124-21snmpd07:39:130
215699504,25cyclictest0-21swapper/206:11:252
2155995034,11cyclictest0-21swapper/107:56:401
2155995034,11cyclictest0-21swapper/107:36:311
2155995034,11cyclictest0-21swapper/106:46:281
2155995033,11cyclictest16838-21aten_r1power_po06:41:251
2155995033,11cyclictest16838-21aten_r1power_po06:41:251
2155995032,13cyclictest0-21swapper/106:31:301
2155995031,13cyclictest0-21swapper/107:46:261
2151995036,10cyclictest0-21swapper/010:56:310
2151995033,12cyclictest0-21swapper/006:16:270
80552492,42sleep00-21swapper/007:30:390
219499490,5rtkit-daemon2193-21rtkit-daemon06:06:340
2155994932,12cyclictest0-21swapper/106:26:341
247382487,9sleep10-21swapper/108:05:021
215599486,19cyclictest0-21swapper/107:51:371
215599485,38cyclictest16008-21unixbench-2d06:36:471
215599484,37cyclictest0-21swapper/107:41:291
2155994831,12cyclictest0-21swapper/107:31:281
2151994833,11cyclictest0-21swapper/008:06:420
2151994833,11cyclictest0-21swapper/008:06:420
2151994831,12cyclictest0-21swapper/007:06:290
2151994820,8cyclictest26044-21latency_hist07:01:140
2151994815,26cyclictest19213-21tail06:46:250
162422483,9sleep00-21swapper/006:37:590
160802483,39sleep016101-21grep07:46:310
233912473,37sleep00-21swapper/006:52:460
215199474,38cyclictest0-21swapper/006:23:220
2151994731,11cyclictest0-21swapper/007:41:240
215199473,39cyclictest0-21swapper/007:56:260
2151994729,14cyclictest0-21swapper/007:24:110
2151994729,14cyclictest0-21swapper/007:24:110
215199472,39cyclictest0-21swapper/006:26:390
199422474,9sleep00-21swapper/007:54:580
92982463,37sleep10-21swapper/106:25:461
2155994625,15cyclictest0-21swapper/107:04:081
2151994619,8cyclictest10493-21latency_hist07:36:120
215599453,36cyclictest0-21swapper/107:26:281
215199453,37cyclictest0-21swapper/007:01:260
215699414,28cyclictest0-21swapper/206:11:162
215599385,27cyclictest0-21swapper/106:11:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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