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2026-06-28 - 18:43

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 376 highest latencies:
System rack1slot6s.osadl.org (updated Sun Jun 28, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24286999338,46cyclictest31541-21grep10:36:302
24286999327,58cyclictest0-21swapper/209:19:062
24283999324,61cyclictest0-21swapper/011:51:300
24286999030,52cyclictest6415-21grep09:11:332
24286999028,33cyclictest0-21swapper/209:56:352
24286999025,58cyclictest0-21swapper/212:09:542
24283999025,34cyclictest0-21swapper/010:51:370
24286998829,51cyclictest0-21swapper/211:11:312
24286998828,35cyclictest0-21swapper/210:06:372
24286998823,57cyclictest0-21swapper/212:06:042
24286998734,45cyclictest29391-21ssh09:46:252
24286998734,45cyclictest29391-21ssh09:46:252
24283998626,51cyclictest4561-21ntpq11:31:370
24286998527,51cyclictest0-21swapper/210:19:372
24286998526,52cyclictest0-21swapper/210:31:412
24286998521,56cyclictest0-21swapper/211:41:272
24286998521,56cyclictest0-21swapper/211:41:272
24283998532,44cyclictest21232-21cpuspeed_turbos07:41:320
24283998532,44cyclictest21232-21cpuspeed_turbos07:41:320
24286998434,33cyclictest17358-21basename08:41:272
24286998433,35cyclictest0-21swapper/211:21:232
24286998433,30cyclictest28218-21ssh11:20:132
24286998427,50cyclictest0-21swapper/209:56:112
24286998426,36cyclictest0-21swapper/211:55:322
24283998429,35cyclictest22519-21ssh11:58:350
24283998429,33cyclictest12226-21crond08:31:150
24283998429,33cyclictest12226-21crond08:31:150
24283998428,47cyclictest0-21swapper/011:17:570
24283998427,47cyclictest21064-21ssh10:21:270
24286998330,45cyclictest0-21swapper/209:21:322
24286998326,50cyclictest0-21swapper/211:59:312
24286998325,52cyclictest0-21swapper/208:06:332
24283998332,44cyclictest17216-21cat09:26:470
24286998230,43cyclictest0-21swapper/210:51:282
24286998228,48cyclictest0-21swapper/208:59:372
24286998228,38cyclictest27155-21ssh08:56:012
24283998222,52cyclictest0-21swapper/008:41:350
24286998141,32cyclictest24958-21rm10:26:322
24286998136,31cyclictest4572-21nscd10:51:092
24286998132,32cyclictest17021-21diskmemload09:31:292
24286998131,43cyclictest0-21swapper/211:51:092
24286998130,43cyclictest0-21swapper/210:21:322
24286998124,49cyclictest0-21swapper/211:06:252
24283998135,38cyclictest18615-21taskset07:36:290
24283998127,47cyclictest0-21swapper/009:23:060
24283998122,51cyclictest0-21swapper/010:36:340
24286998037,36cyclictest14788-21cat07:26:412
24286998036,35cyclictest32146-21aten_r1power_cu11:26:182
24286998033,40cyclictest25360-21taskset07:50:372
24286998032,41cyclictest0-21swapper/210:11:342
24286998031,29cyclictest8893-21ssh10:01:482
24286998029,31cyclictest17029-21turbostat08:41:152
24286998028,46cyclictest0-21swapper/209:26:512
24286998025,48cyclictest0-21swapper/208:31:502
24286998025,36cyclictest0-21swapper/209:41:292
24283998028,43cyclictest11891-21ssh09:20:520
24283998026,20cyclictest0-21swapper/009:52:590
24283998025,48cyclictest0-21swapper/009:01:260
24283998025,48cyclictest0-21swapper/009:01:260
24283998021,35cyclictest0-21swapper/010:31:340
219499800,5rtkit-daemon2193-21rtkit-daemon08:21:290
24286997934,25cyclictest24866-21grep06:41:352
24286997928,44cyclictest170211diskmemload11:40:132
24286997928,31cyclictest0-21swapper/211:04:522
24286997927,46cyclictest0-21swapper/211:00:032
24286997927,33cyclictest0-21swapper/210:41:392
24286997926,32cyclictest0-21swapper/209:09:052
24283997923,48cyclictest0-21swapper/011:39:130
24283997921,52cyclictest0-21swapper/009:11:250
24283997916,57cyclictest0-21swapper/009:45:320
24283997913,57cyclictest0-21swapper/010:30:270
24286997829,43cyclictest22413-21aten2.4-expect09:36:242
24286997827,45cyclictest0-21swapper/209:05:542
24286997827,45cyclictest0-21swapper/209:05:542
24283997830,29cyclictest1102-21fschecks_time08:06:400
24283997825,20cyclictest0-21swapper/012:01:200
24283997822,48cyclictest0-21swapper/012:07:050
24283997818,52cyclictest0-21swapper/010:41:420
24286997728,34cyclictest0-21swapper/208:21:322
24286997725,35cyclictest0-21swapper/208:50:542
24283997727,43cyclictest0-21swapper/009:06:440
24283997726,33cyclictest0-21swapper/008:56:380
24283997724,37cyclictest0-21swapper/009:50:570
24283997724,37cyclictest0-21swapper/009:50:570
24283997716,53cyclictest0-21swapper/011:11:320
219499770,4rtkit-daemon2193-21rtkit-daemon09:20:041
219499770,10rtkit-daemon2193-21rtkit-daemon11:01:300
24286997628,28cyclictest0-21swapper/207:16:302
24286997626,43cyclictest5897-21ssh11:34:312
24286997626,42cyclictest0-21swapper/206:56:442
24283997629,30cyclictest1215-21python11:26:390
24283997628,19cyclictest19518-21gltestperf11:06:280
24283997626,43cyclictest15414-21ssh10:11:440
24283997625,43cyclictest0-21swapper/010:16:290
24283997618,52cyclictest0-21swapper/009:38:060
24283997617,53cyclictest0-21swapper/008:55:580
24286997533,35cyclictest7409-21yum-updatesd-he08:20:442
24286997529,38cyclictest1124-21snmpd07:31:382
24286997525,42cyclictest0-21swapper/206:51:422
24286997523,45cyclictest0-21swapper/207:01:422
24286997523,45cyclictest0-21swapper/207:01:422
24283997527,32cyclictest20467-21processes09:31:430
24283997526,41cyclictest0-21swapper/008:49:220
24283997523,45cyclictest0-21swapper/009:59:500
24286997435,32cyclictest5070-21turbostat.cron08:16:162
24286997430,36cyclictest1124-21snmpd07:37:582
24283997425,42cyclictest0-21swapper/007:51:170
24283997424,35cyclictest1227-21runrttasks07:10:300
24283997423,44cyclictest0-21swapper/010:46:220
24283997423,44cyclictest0-21swapper/010:06:460
24283997423,44cyclictest0-21swapper/006:56:350
24283997422,44cyclictest0-21swapper/011:00:480
24283997421,16cyclictest0-21swapper/011:22:180
24286997327,38cyclictest28015-21memory06:46:442
24283997327,39cyclictest280381munin-node07:56:380
24283997325,40cyclictest0-21swapper/011:46:090
24283997325,40cyclictest0-21swapper/011:46:090
24283997324,41cyclictest0-21swapper/011:46:190
24286997222,35cyclictest0-21swapper/207:41:302
24286997222,35cyclictest0-21swapper/207:41:302
24283997226,40cyclictest0-21swapper/008:31:420
24283997226,39cyclictest24504-21munin-node06:41:500
24283997224,41cyclictest0-21swapper/007:26:350
24283997224,40cyclictest0-21swapper/008:36:340
24286997136,28cyclictest0-21swapper/207:21:502
24286997125,25cyclictest5598-21python07:06:492
24283997123,41cyclictest0-21swapper/008:01:300
24283997123,40cyclictest0-21swapper/007:01:300
24283997123,40cyclictest0-21swapper/007:01:300
24283997123,30cyclictest0-21swapper/006:55:280
24283997122,41cyclictest0-21swapper/010:01:270
24283997122,41cyclictest0-21swapper/008:21:160
24286997026,36cyclictest80312sed07:11:502
24286997025,29cyclictest0-21swapper/207:56:472
2428599704,58cyclictest0-21swapper/111:36:331
24283997027,34cyclictest11076-21crond07:21:180
24283997017,46cyclictest0-21swapper/008:11:290
24283996926,36cyclictest0-21swapper/007:21:280
24286996824,37cyclictest0-21swapper/208:27:252
24286996824,37cyclictest0-21swapper/208:27:252
24286996820,31cyclictest0-21swapper/207:51:482
24283996817,33cyclictest0-21swapper/007:51:260
2428799674,36cyclictest0-21swapper/308:54:233
2428599674,54cyclictest29584-21df_abs09:46:261
2428599674,54cyclictest29584-21df_abs09:46:261
24283996741,19cyclictest0-21swapper/006:41:190
24286996628,31cyclictest0-21swapper/208:03:172
2428599664,54cyclictest0-21swapper/110:26:251
2428599664,53cyclictest0-21swapper/112:06:351
2428599656,51cyclictest21432-21sed08:46:341
2428599654,53cyclictest0-21swapper/109:41:311
2428599644,51cyclictest0-21swapper/110:22:351
2428599643,53cyclictest22937-21df_abs09:36:281
2428599634,51cyclictest0-21swapper/111:41:301
2428599634,51cyclictest0-21swapper/111:41:301
24283996327,30cyclictest28333-21python06:46:500
24283996314,31cyclictest0-21swapper/007:31:290
2428599624,51cyclictest0-21swapper/112:06:061
2428599623,50cyclictest994-21gltestperf09:51:311
24287996143,12cyclictest0-21swapper/306:41:443
2428799612,53cyclictest0-21swapper/309:46:283
2428799612,53cyclictest0-21swapper/309:46:283
2428599608,45cyclictest0-21swapper/110:06:261
2428599604,49cyclictest0-21swapper/109:26:381
2428799594,29cyclictest0-21swapper/309:11:263
2428799592,51cyclictest0-21swapper/309:06:453
2428599594,48cyclictest0-21swapper/111:46:191
2428599593,48cyclictest29271-21grep08:56:491
36772582,48sleep10-21swapper/109:06:451
24286995831,21cyclictest0-21swapper/206:41:192
2428599585,46cyclictest15518-21latency_hist09:26:141
2428599584,47cyclictest0-21swapper/109:02:521
2428599584,47cyclictest0-21swapper/109:02:521
2428599583,48cyclictest23797-21unixbench_multi11:11:421
24285995823,26cyclictest2523-21fschecks_time10:41:291
24287995723,19cyclictest17021-21diskmemload10:37:083
2428799572,49cyclictest0-21swapper/311:56:173
2428799572,49cyclictest0-21swapper/310:14:563
24287995716,34cyclictest12102-21unixbench-2d10:06:463
2428599574,45cyclictest0-21swapper/111:01:311
2428599574,45cyclictest0-21swapper/110:56:331
2428599574,45cyclictest0-21swapper/107:11:351
2428599573,47cyclictest7873-21gltestperf10:01:321
2428599573,46cyclictest0-21swapper/109:11:521
24283995735,15cyclictest6306-21latency_hist07:11:200
2428799564,36cyclictest0-21swapper/310:47:423
2428799564,27cyclictest0-21swapper/308:41:273
2428799563,49cyclictest0-21swapper/310:06:103
2428799563,45cyclictest0-21swapper/311:11:293
2428599564,45cyclictest0-21swapper/111:57:161
2428599564,45cyclictest0-21swapper/111:21:241
2428599564,44cyclictest0-21swapper/111:07:241
2428599563,46cyclictest0-21swapper/109:31:271
11502562,46sleep10-21swapper/106:58:181
2428799554,31cyclictest0-21swapper/309:56:123
2428799553,47cyclictest0-21swapper/309:32:163
24287995522,13cyclictest0-21swapper/311:00:273
2428799552,48cyclictest0-21swapper/309:42:193
2428799552,48cyclictest0-21swapper/308:56:593
2428599555,29cyclictest0-21swapper/111:51:181
2428599554,43cyclictest6214-21irqstats10:46:331
24285995538,10cyclictest30149-21gltestperf06:51:391
2428599553,46cyclictest0-21swapper/111:21:021
24287995422,14cyclictest0-21swapper/308:51:153
24287995422,13cyclictest0-21swapper/311:16:393
24287995421,14cyclictest0-21swapper/311:51:323
2428799542,48cyclictest0-21swapper/310:33:563
2428799542,47cyclictest0-21swapper/310:25:383
2428599545,43cyclictest0-21swapper/108:51:551
2428599544,44cyclictest0-21swapper/110:16:321
2428599543,45cyclictest0-21swapper/109:56:311
2428599543,45cyclictest0-21swapper/106:46:471
2428599543,10cyclictest0-21swapper/110:56:101
24285995427,10cyclictest31998-21ntp_states10:36:381
2428799533,46cyclictest0-21swapper/311:09:483
2428799533,44cyclictest20102-21yum-updatesd-he10:20:563
2428799533,27cyclictest0-21swapper/309:01:483
2428799533,27cyclictest0-21swapper/309:01:483
24287995322,13cyclictest0-21swapper/309:29:233
2428599534,44cyclictest0-21swapper/108:44:301
2428599534,43cyclictest0-21swapper/111:26:531
2428599534,42cyclictest0-21swapper/110:11:431
2428799525,28cyclictest0-21swapper/307:46:403
2428799525,27cyclictest0-21swapper/311:46:333
2428799524,29cyclictest0-21swapper/307:36:513
24287995235,11cyclictest16935-21gltestperf07:31:363
2428799522,45cyclictest0-21swapper/311:42:393
2428799522,45cyclictest0-21swapper/311:42:393
2428799522,45cyclictest0-21swapper/309:20:143
2428599524,33cyclictest0-21swapper/110:31:311
2428599523,43cyclictest0-21swapper/111:34:011
2428599523,43cyclictest0-21swapper/107:51:181
24285995220,15cyclictest0-21swapper/107:16:461
2428799515,40cyclictest0-21swapper/311:01:463
2428799515,25cyclictest1124-21snmpd12:06:203
2428799514,40cyclictest0-21swapper/311:36:373
2428799514,39cyclictest0-21swapper/311:26:273
2428799514,39cyclictest0-21swapper/306:56:433
2428799514,38cyclictest0-21swapper/308:01:303
2428799514,29cyclictest0-21swapper/307:56:403
2428799514,28cyclictest0-21swapper/309:36:303
2428799514,28cyclictest0-21swapper/308:06:453
2428799514,28cyclictest0-21swapper/307:01:543
2428799514,28cyclictest0-21swapper/307:01:543
2428799514,27cyclictest1124-21snmpd11:21:133
2428799514,14cyclictest0-21swapper/311:31:323
24287995120,13cyclictest0-21swapper/308:31:473
2428799512,43cyclictest0-21swapper/310:26:233
2428599514,30cyclictest0-21swapper/108:11:541
2428599514,29cyclictest0-21swapper/107:36:381
2428599513,42cyclictest0-21swapper/108:31:391
2428599513,42cyclictest0-21swapper/108:21:341
24285995114,22cyclictest28163-21tail07:56:291
255572502,9sleep30-21swapper/312:02:223
2428799504,28cyclictest0-21swapper/307:51:443
2428799503,42cyclictest0-21swapper/310:43:273
2428799502,43cyclictest0-21swapper/309:59:523
24287995016,14cyclictest0-21swapper/307:20:473
2428599504,10cyclictest0-21swapper/108:26:401
2428599504,10cyclictest0-21swapper/108:26:401
2428599503,42cyclictest0-21swapper/107:26:351
181082502,9sleep10-21swapper/107:34:301
131612502,40sleep10-21swapper/107:22:241
2428799494,39cyclictest0-21swapper/309:21:293
2428799494,39cyclictest0-21swapper/307:31:183
2428799494,28cyclictest0-21swapper/308:26:493
2428799494,28cyclictest0-21swapper/308:26:493
2428799494,27cyclictest0-21swapper/308:41:163
2428799494,27cyclictest0-21swapper/307:46:183
2428799494,27cyclictest0-21swapper/307:46:183
2428799494,27cyclictest0-21swapper/307:21:513
2428799494,26cyclictest0-21swapper/308:11:283
2428799493,28cyclictest0-21swapper/308:21:323
24287994923,12cyclictest0-21swapper/310:52:283
2428599494,38cyclictest0-21swapper/107:41:391
2428599494,38cyclictest0-21swapper/107:41:391
2428599493,8cyclictest5682-21munin-node07:06:501
2428599493,40cyclictest0-21swapper/108:16:341
24285994924,10cyclictest0-21swapper/107:51:381
219499490,5rtkit-daemon2193-21rtkit-daemon06:36:333
4812482,9sleep10-21swapper/108:06:351
2428799484,26cyclictest0-21swapper/308:18:163
2428799484,25cyclictest29939-21fschecks_count06:51:373
2428799482,41cyclictest0-21swapper/306:46:393
2428599484,27cyclictest0-21swapper/106:41:201
36772472,38sleep10-21swapper/107:03:221
36772472,38sleep10-21swapper/107:03:221
263232472,39sleep10-21swapper/106:42:061
2428799474,26cyclictest0-21swapper/307:11:553
325682462,9sleep10-21swapper/108:06:141
2428599463,10cyclictest0-21swapper/108:36:291
2428799442,38cyclictest0-21swapper/307:06:403
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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