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2026-06-09 - 22:20

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #5, slot #4

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.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack5slot4s.osadl.org (updated Tue Jun 09, 2026 12:44:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118433921640,3sleep30-21swapper/307:10:393
14413842970,2chrt0-21swapper/111:25:431
12106092740,4sleep10-21swapper/107:35:371
1182583996656,7cyclictest1254177-21latency_hist08:20:010
1182585996358,3cyclictest1158752-21kworker/u8:2+events_unbound07:30:481
1182585996056,3cyclictest1274435-21kworker/u8:1+flush-8:009:25:501
1182588995949,8cyclictest1318791-21gpgv09:25:012
1182585995947,4cyclictest1471977-21kworker/u8:0+events_unbound12:00:451
1182585995852,5cyclictest1141119-21kworker/u8:3+flush-8:007:10:421
1182588995448,4cyclictest1461091-21kworker/u8:2+events_unbound11:45:482
1182585995449,4cyclictest1388321-21kworker/u8:1+events_unbound10:55:341
1182585995346,5cyclictest1487697-21kworker/u8:0+flush-8:012:20:341
1182585995346,5cyclictest1199814-21kworker/u8:1+flush-8:007:40:401
1182585995346,4cyclictest1274435-21kworker/u8:1+events_unbound10:05:511
1182588995246,4cyclictest1452193-21kworker/u8:1+events_unbound11:40:462
1182585995247,4cyclictest1141119-21kworker/u8:3+events_unbound08:30:471
1182585995246,4cyclictest1480762-21kworker/u8:1+flush-8:012:05:491
1182585995246,4cyclictest1328711-21kworker/u8:3+flush-8:009:50:501
1182585995246,4cyclictest1141119-21kworker/u8:3+events_unbound08:00:501
1182585995044,4cyclictest1254220-21kworker/u8:0+flush-8:008:35:501
1182585995043,5cyclictest1274435-21kworker/u8:1+events_unbound09:45:481
1182588994941,6cyclictest1423386-21kworker/u8:3+flush-8:011:15:372
1182585994945,3cyclictest1254220-21kworker/u8:0+flush-8:009:10:471
1182585994944,3cyclictest1199814-21kworker/u8:1+events_unbound08:05:331
1182585994938,8cyclictest1501860-21ntpq12:25:451
1182588994737,8cyclictest1187614-21cp07:15:002
1182585994743,3cyclictest1274435-21kworker/u8:1+flush-8:009:55:311
1182585994741,4cyclictest1274435-21kworker/u8:1+flush-8:010:15:451
1182585994739,6cyclictest1704890-21systemd-journal11:30:431
1182585994641,4cyclictest1141119-21kworker/u8:3+events_unbound08:15:421
1182585994640,4cyclictest1452193-21kworker/u8:1+flush-8:011:50:441
1182585994541,3cyclictest1480762-21kworker/u8:1+events_unbound12:35:401
1182585994539,5cyclictest1461091-21kworker/u8:2+flush-8:011:45:421
1182585994533,10cyclictest1704890-21systemd-journal10:45:001
1182583994537,6cyclictest1427108-21ntpq11:10:430
1182583994536,7cyclictest1274435-21kworker/u8:1+events_unbound10:00:420
1182585994440,3cyclictest1254220-21kworker/u8:0+flush-8:008:55:371
1182585994439,4cyclictest1349099-21kworker/u8:0+events_unbound10:10:531
1182585994438,4cyclictest1199814-21kworker/u8:1+events_unbound07:25:461
1182585994432,9cyclictest1704890-21systemd-journal11:11:461
1182588994338,4cyclictest1471977-21kworker/u8:0+flush-8:011:55:502
1182585994338,4cyclictest1141119-21kworker/u8:3+flush-8:007:55:501
1182585994337,5cyclictest1423386-21kworker/u8:3+events_unbound11:35:431
1182585994337,5cyclictest1349099-21kworker/u8:0+flush-8:010:30:441
1182588994237,4cyclictest1452193-21kworker/u8:1+flush-8:011:50:452
1182588994236,4cyclictest1480762-21kworker/u8:1+flush-8:012:30:352
1182588994234,5cyclictest1199814-21kworker/u8:1+flush-8:007:55:452
1182588994232,7cyclictest1704890-21systemd-journal10:40:002
1182585994238,3cyclictest1487697-21kworker/u8:0+events_unbound12:30:461
1182585994238,3cyclictest1403261-21kworker/u8:0+flush-8:011:05:421
1182585994238,3cyclictest1349099-21kworker/u8:0+flush-8:010:20:451
1182585994238,3cyclictest1254220-21kworker/u8:0+flush-8:008:20:511
1182585994238,3cyclictest1254220-21kworker/u8:0+events_unbound08:25:411
1182585994237,4cyclictest1274435-21kworker/u8:1+events_unbound09:40:381
1182585994231,9cyclictest1407415-21ntpq10:50:461
1182585994136,4cyclictest1141119-21kworker/u8:3+events_unbound07:50:451
1182585994131,7cyclictest1288211-21ntpq08:50:461
1182585994129,8cyclictest1433015-21apt-get11:20:011
1182588994036,3cyclictest1349099-21kworker/u8:0+events_unbound09:55:482
1182585994036,3cyclictest1378542-21kworker/u8:3+flush-8:010:25:501
1182585994033,5cyclictest1254220-21kworker/u8:0+events_unbound08:45:331
1182583994036,3cyclictest1199814-21kworker/u8:1+flush-8:008:05:310
1182583994034,4cyclictest1363713-21munin-run10:10:010
1182588993935,3cyclictest1403261-21kworker/u8:0+flush-8:010:50:382
1182585993935,3cyclictest1471977-21kworker/u8:0+events_unbound11:55:461
1182585993935,3cyclictest1182748-21kworker/u8:0+flush-8:007:15:501
1182585993934,4cyclictest1141119-21kworker/u8:3+flush-8:007:20:471
1182585993933,5cyclictest1274435-21kworker/u8:1+events_unbound09:35:001
1182585993933,5cyclictest1254220-21kworker/u8:0+events_unbound09:15:441
1182585993932,5cyclictest1141119-21kworker/u8:3+flush-8:007:45:461
1182583993932,5cyclictest1268382-21ntpq08:30:430
1182585993825,10cyclictest1704890-21systemd-journal11:05:011
1182583993833,4cyclictest1328711-21kworker/u8:3+flush-8:009:45:330
1182583993830,6cyclictest1199814-21kworker/u8:1+flush-8:008:10:300
1182588993731,4cyclictest1378542-21kworker/u8:3+flush-8:010:45:462
1182588993731,4cyclictest1378542-21kworker/u8:3+flush-8:010:45:462
1182585993732,4cyclictest1274435-21kworker/u8:1+events_unbound10:00:331
1182585993730,5cyclictest1378542-21kworker/u8:3+events_unbound10:45:471
1182585993730,5cyclictest1378542-21kworker/u8:3+events_unbound10:45:471
1182583993732,4cyclictest1274435-21kworker/u8:1+flush-8:008:40:340
1182583993732,4cyclictest1274435-21kworker/u8:1+flush-8:008:40:330
1182583993732,4cyclictest1254220-21kworker/u8:0+flush-8:008:50:350
1182583993732,4cyclictest1141119-21kworker/u8:3+events_unbound08:00:000
1182588993632,3cyclictest1423386-21kworker/u8:3+flush-8:011:35:392
1182585993631,3cyclictest1-21systemd08:45:001
1182585993631,3cyclictest1-21systemd08:44:591
1182583993632,3cyclictest1423386-21kworker/u8:3+flush-8:012:25:500
1182583993632,3cyclictest1254220-21kworker/u8:0+flush-8:009:15:490
1182583993631,4cyclictest1254220-21kworker/u8:0+flush-8:009:25:470
1182583993627,6cyclictest1512653-21latency_hist12:40:010
11815252364,25sleep00-21swapper/007:05:420
1182588993530,4cyclictest1480762-21kworker/u8:1+flush-8:012:05:512
1182585993530,3cyclictest1388321-21kworker/u8:1+events_unbound10:35:361
1182585993528,5cyclictest1254220-21kworker/u8:0+events_unbound09:05:331
1182583993530,4cyclictest1254220-21kworker/u8:0+flush-8:008:25:330
1182583993527,5cyclictest1423386-21kworker/u8:3+flush-8:011:20:460
1182583993526,7cyclictest1200112-21diskstats07:25:330
1182585993430,3cyclictest1403261-21kworker/u8:0+flush-8:011:40:341
1182583993430,3cyclictest1403261-21kworker/u8:0+flush-8:011:09:170
1182583993430,3cyclictest1328711-21kworker/u8:3+flush-8:009:40:480
1182583993430,3cyclictest1274435-21kworker/u8:1+flush-8:009:20:470
1182583993430,3cyclictest1274435-21kworker/u8:1+events_unbound10:15:470
1182583993429,4cyclictest1403261-21kworker/u8:0+flush-8:010:50:460
1182583993429,3cyclictest1487697-21kworker/u8:0+events_unbound12:30:500
1182583993424,8cyclictest1383465-21latency_hist10:30:010
1182583993424,7cyclictest1704890-21systemd-journal12:21:460
1182588993324,7cyclictest1259271-21cp08:25:002
1182585993327,4cyclictest1423386-21kworker/u8:3+flush-8:011:20:401
1182585993324,7cyclictest1332863-21ntpq09:35:421
1182585993319,10cyclictest1492647-21latency_hist12:20:011
1182583993329,3cyclictest1452193-21kworker/u8:1+flush-8:011:35:470
1182583993327,4cyclictest1423386-21kworker/u8:3+events_unbound12:09:590
1182583993324,6cyclictest1368248-21grep10:10:520
1182588993227,3cyclictest1274435-21kworker/u8:1+flush-8:010:10:422
1182588993221,8cyclictest1229357-21awk07:55:002
1182583993225,5cyclictest1704890-21systemd-journal08:55:130
1182588993125,4cyclictest1209058-21unixbench_singl07:30:482
1182588993124,5cyclictest1348860-21cron09:54:592
1182585993127,3cyclictest1141119-21kworker/u8:3+flush-8:008:10:511
1182583993127,3cyclictest1274435-21kworker/u8:1+flush-8:009:00:470
1182583993126,4cyclictest1274435-21kworker/u8:1+flush-8:009:30:510
1182583993126,4cyclictest1274435-21kworker/u8:1+events_unbound09:55:460
1182583993126,3cyclictest1254220-21kworker/u8:0+events_unbound09:05:410
1182583993125,4cyclictest1412812-21kworker/u8:2+flush-8:011:00:010
1182583993125,4cyclictest1349099-21kworker/u8:0+flush-8:010:30:370
1182583993125,4cyclictest1199814-21kworker/u8:1+flush-8:007:31:110
1182583993024,4cyclictest1187519-21apt-get07:15:030
1182588992925,3cyclictest1254220-21kworker/u8:0+flush-8:008:40:492
1182588992925,3cyclictest1254220-21kworker/u8:0+flush-8:008:40:492
1182588992924,3cyclictest1328427-21unixbench_singl09:30:512
1182583992925,3cyclictest1254220-21kworker/u8:0+events_unbound08:20:400
1182583992924,3cyclictest1423386-21kworker/u8:3+events_unbound12:20:000
1182583992919,7cyclictest1273258-21ntpq08:35:420
1182588992823,3cyclictest1141119-21kworker/u8:3+events_unbound08:35:002
1182585992823,4cyclictest1274435-21kworker/u8:1+flush-8:009:20:331
1182583992824,3cyclictest1403261-21kworker/u8:0+flush-8:011:25:350
1182583992824,2cyclictest876-21mta-sts-daemon11:20:020
1182583992822,4cyclictest1452193-21kworker/u8:1+events_unbound11:45:310
1182583992822,4cyclictest1254220-21kworker/u8:0+flush-8:009:10:420
12881022270,4sleep3481ktimers/308:50:433
1182588992723,3cyclictest1487263-21unixbench_multi12:10:472
1182588992722,4cyclictest1274435-21kworker/u8:1+flush-8:009:40:062
1182588992719,6cyclictest1704890-21systemd-journal11:10:002
1182583992723,3cyclictest1328711-21kworker/u8:3+flush-8:009:35:310
1182583992722,3cyclictest1398845-21cpuspeed_turbos10:45:340
1182583992722,3cyclictest1398845-21cpuspeed_turbos10:45:330
1182583992721,3cyclictest0-21swapper/011:50:290
1182588992622,3cyclictest1304257-21aten2_r5power_v09:10:312
1182588992622,2cyclictest1219726-21aten2_r5power_c07:45:312
1182588992621,3cyclictest1323444-21unixbench_multi09:25:502
1182585992618,5cyclictest1298542-21grep09:00:501
1182583992621,3cyclictest1283162-21needreboot08:45:420
1182583992621,3cyclictest1141119-21kworker/u8:3+events_unbound08:00:380
1182588992522,2cyclictest1215000-21fschecks_count07:40:332
1182588992521,2cyclictest1303842-21cron09:10:012
1182585992518,5cyclictest1483025-21apt-get12:10:271
1182583992521,3cyclictest1423386-21kworker/u8:3+flush-8:012:10:320
1182583992520,3cyclictest1228927-21unixbench_multi07:50:500
1182583992519,5cyclictest1199814-21kworker/u8:1+events_unbound07:40:430
1182588992421,2cyclictest1329327-21cpuspeed_turbos09:35:322
1182588992420,2cyclictest1339511-21cpuspeed_turbos09:45:332
1182588992420,2cyclictest0-21swapper/210:24:592
1182583992420,3cyclictest1403261-21kworker/u8:0+flush-8:011:00:370
1182583992419,4cyclictest1403261-21kworker/u8:0+flush-8:011:30:380
1182583992412,3cyclictest0-21swapper/011:59:410
1182583992412,2cyclictest0-21swapper/010:40:470
118258899239,9cyclictest1413441-21apt-get11:00:312
1182588992319,3cyclictest1477777-21cron12:05:002
1182588992319,3cyclictest1283748-21unixbench_singl08:45:492
1182583992319,3cyclictest1388321-21kworker/u8:1+events_unbound10:35:460
1182583992318,3cyclictest0-21swapper/007:40:010
1182588992218,2cyclictest0-21swapper/212:40:002
118258399226,14cyclictest1222578-21cut07:45:400
1182583992216,4cyclictest1199208-21unixbench_singl07:20:490
11822792224,12sleep10-21swapper/107:08:091
118258899219,4cyclictest0-21swapper/210:31:032
118258899216,13cyclictest1447202-21sshd11:30:432
118258899212,13cyclictest1244452-21apt-get08:10:322
1182588992118,2cyclictest1210022-21fschecks_count07:35:342
118258899210,5cyclictest1202660-21cut07:25:392
1182583992117,2cyclictest0-21swapper/012:00:520
1182583992117,2cyclictest0-21swapper/011:40:380
1182583992117,2cyclictest0-21swapper/009:50:320
1182583992113,6cyclictest1349099-21kworker/u8:0+flush-8:010:20:300
118258899205,3cyclictest14113642grep10:55:402
118258899202,8cyclictest0-21swapper/210:15:462
118258899202,2cyclictest421rcuog/211:25:012
118258899202,12cyclictest1354133-21apt-get10:00:322
118258899202,12cyclictest1189970-21apt-get07:15:312
1182588992016,2cyclictest1249701-21cpuspeed_turbos08:15:292
1182588992016,2cyclictest0-21swapper/210:25:432
1182588992015,4cyclictest1423386-21kworker/u8:3+events_unbound12:16:552
118258899198,2cyclictest521rcuop/311:25:362
1182588991916,2cyclictest1195040-21aten2_r5power_v07:20:322
1182588991915,3cyclictest1254220-21kworker/u8:0+flush-8:008:35:102
1182588991911,6cyclictest1704890-21systemd-journal12:20:012
1182588991911,6cyclictest1260588-21cut08:25:372
1182583991913,5cyclictest1141119-21kworker/u8:3+events_unbound07:10:490
11823872194,11sleep20-21swapper/207:09:342
11821722193,9sleep30-21swapper/307:06:463
118258899189,6cyclictest1286499-21tr08:50:402
118258899185,11cyclictest1290714-21kthreadcore08:55:392
118258899184,2cyclictest421rcuog/210:05:392
118258899183,9cyclictest0-21swapper/208:00:432
118258899182,9cyclictest0-21swapper/209:05:002
118258899182,8cyclictest0-21swapper/211:10:402
1182588991813,3cyclictest1394196-21irqcore10:40:382
1182588991813,3cyclictest1309166-21aten2_r5power_p09:15:322
1182588991713,2cyclictest0-21swapper/212:25:402
118258899171,11cyclictest1239495-21apt-get08:05:312
14023442152,8sleep30-21swapper/310:45:453
14023442152,8sleep30-21swapper/310:45:453
13972622156,6sleep30-21swapper/310:40:423
12832962152,8sleep30-21swapper/308:45:453
12695432158,5sleep30-21swapper/308:35:303
13387612142,7sleep30-21swapper/309:45:013
12634362142,8sleep30-21swapper/308:25:443
12036582142,8sleep30-21swapper/307:25:453
14422252132,7sleep30-21swapper/311:25:453
14281672132,6sleep30-21swapper/311:15:023
14271532132,7sleep30-21swapper/311:10:443
14131222130,7sleep30-21swapper/311:00:013
13527322132,7sleep30-21swapper/309:55:413
13289202132,6sleep30-21swapper/309:35:013
13044532133,6sleep30-21swapper/309:10:343
12942752131,8sleep30-21swapper/309:00:313
12926242134,5sleep30-21swapper/308:55:423
12403772132,7sleep30-21swapper/308:05:363
12156212134,5sleep30-21swapper/307:40:373
12085322131,8sleep30-21swapper/307:30:413
15116882122,6sleep30-21swapper/312:35:403
14980922122,6sleep30-21swapper/312:25:333
14931782122,6sleep30-21swapper/312:20:323
14879702122,6sleep30-21swapper/312:15:333
14780122122,6sleep30-21swapper/312:05:033
14724082122,6sleep30-21swapper/311:55:523
14629672122,5sleep30-21swapper/311:50:023
14625892122,6sleep30-21swapper/311:45:483
14488712123,6sleep30-21swapper/311:35:373
14338942122,6sleep30-21swapper/311:20:363
14074172122,6sleep30-21swapper/310:50:473
13842432122,6sleep30-21swapper/310:30:363
13820972122,6sleep30-21swapper/310:25:423
13735462122,6sleep30-21swapper/310:20:013
13637072122,5sleep30-21swapper/310:10:003
13540582122,6sleep30-21swapper/310:00:023
13397592122,6sleep30-21swapper/309:45:383
13245452122,6sleep30-21swapper/309:30:373
13145312122,6sleep30-21swapper/309:20:373
13106872122,6sleep30-21swapper/309:15:403
12999252122,6sleep30-21swapper/309:05:363
12750102122,6sleep30-21swapper/308:40:373
12750102122,6sleep30-21swapper/308:40:373
12648512122,6sleep30-21swapper/308:30:333
12494162122,6sleep30-21swapper/308:15:043
12482292122,6sleep30-21swapper/308:10:433
12301552122,6sleep30-21swapper/307:55:383
12239522122,6sleep30-21swapper/307:45:503
11939872122,6sleep30-21swapper/307:15:483
15029612112,5sleep30-21swapper/312:30:023
14868352111,6sleep30-21swapper/312:10:443
14768462112,5sleep30-21swapper/312:00:443
14533372112,6sleep30-21swapper/311:40:313
14438132112,5sleep30-21swapper/311:30:353
14187962112,5sleep30-21swapper/311:05:353
14178242112,6sleep30-21swapper/311:01:063
13925282112,5sleep30-21swapper/310:35:463
13738402112,6sleep30-21swapper/310:20:293
13633892112,6sleep30-21swapper/310:06:163
13450902112,5sleep30-21swapper/309:50:383
13234812112,5sleep30-21swapper/309:25:513
12544172112,5sleep30-21swapper/308:20:013
12384042112,5sleep30-21swapper/308:00:483
12270212112,6sleep30-21swapper/307:50:413
12101402112,5sleep30-21swapper/307:35:363
11948672112,5sleep30-21swapper/307:20:033
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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