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2026-05-12 - 08:01

OSADL QA Farm on Real-time of Mainline Linux

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Default latency plot of shadow in rack #f, slot #7

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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Click here to display the system's profile data.
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: performance
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rackfslot7s.osadl.org (updated Tue May 12, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146342999306514,3045cyclictest1470210-21kworker/2:0+events19:35:122
146342299299815,2978cyclictest1473416-21kworker/0:1+events19:40:130
146342299280613,2789cyclictest1506893-21kworker/0:1+events21:35:140
146342299279613,2779cyclictest1524841-21kworker/0:2+events22:20:160
146342299279213,2774cyclictest1495819-21kworker/0:0+events20:50:180
146342299278813,2772cyclictest1539518-21kworker/0:0+events23:06:350
146343399277113,2754cyclictest1473198-21kworker/3:2+events19:55:013
146342599276013,2743cyclictest1524538-21kworker/1:0+events22:25:141
146342599275012,2734cyclictest1564992-21kworker/1:0+events00:30:191
146342599274413,2727cyclictest1536490-21kworker/1:0+events23:10:011
146342999269313,2676cyclictest1497443-21kworker/2:0+events20:55:122
146342999267111,2656cyclictest1505112-21kworker/2:0+events21:20:182
146342599263413,2617cyclictest1532749-21kworker/1:2+events22:45:171
146342299261313,2596cyclictest1528072-21kworker/0:0+events22:55:350
146342299258911,2574cyclictest1553648-21kworker/0:2+events23:50:120
146342299256412,2548cyclictest1528072-21kworker/0:0+events22:33:370
146343399253610,2522cyclictest1555293-21kworker/3:2+events23:53:393
146342299253612,2520cyclictest1528072-21kworker/0:0+events22:36:380
146342299253612,2517cyclictest1536157-21kworker/0:1+events23:40:180
146342299253510,2521cyclictest1494215-21kworker/0:2+events20:48:050
146342999249312,2477cyclictest1512031-21kworker/2:1+events21:43:162
146343399249012,2475cyclictest1499042-21kworker/3:2+events21:01:163
146342299248912,2473cyclictest1565192-21kworker/0:0+events00:38:440
146343399248412,2468cyclictest1555293-21kworker/3:2+events23:57:313
14634259924808,2469cyclictest1479697-21kworker/1:2+events20:15:171
146342299248012,2464cyclictest1497510-21kworker/0:2+events21:06:120
146342999247712,2461cyclictest1519880-21kworker/2:1+events22:15:192
146342599247712,2461cyclictest1557099-21kworker/1:2+events00:04:211
146342599247511,2460cyclictest1545748-21kworker/1:2+events23:27:181
146342299246912,2454cyclictest1470030-21kworker/0:1+events19:30:410
146342299246511,2450cyclictest1484232-21kworker/0:0+events20:25:130
146342999246212,2446cyclictest1535975-21kworker/2:0+events23:00:132
146342299246012,2444cyclictest1503598-21kworker/0:0+events21:15:450
146342599245812,2442cyclictest1560047-21kworker/1:1+events00:24:401
146342299245812,2443cyclictest1484232-21kworker/0:0+events20:18:000
146342299245812,2442cyclictest1491015-21kworker/0:1+events20:38:320
146342299245612,2440cyclictest1481647-21kworker/0:1+events20:12:590
146342299245610,2443cyclictest1536157-21kworker/0:1+events22:54:470
146342299245411,2439cyclictest1563503-21kworker/0:1+events00:20:520
14634229924519,2438cyclictest1551039-21kworker/0:0+events23:46:260
146342299245111,2437cyclictest1506893-21kworker/0:1+events21:25:410
146342299245111,2436cyclictest1475025-21kworker/0:2+events19:48:110
146342299244811,2433cyclictest1516713-21kworker/0:2+events21:55:500
146342299244611,2431cyclictest1510433-21kworker/0:2+events21:44:500
146342299244510,2432cyclictest1486222-21kworker/0:2+events20:32:250
146342599243411,2420cyclictest1516598-21kworker/1:0+events22:03:501
14634339924278,2416cyclictest1514812-21kworker/3:2+events21:47:313
146342599242312,2407cyclictest1526152-21kworker/1:1+events22:24:291
146342299242212,2406cyclictest1532544-21kworker/0:1+events22:42:180
146342999242112,2406cyclictest1523114-21kworker/2:2+events22:21:482
146342299241310,2401cyclictest1561892-21kworker/0:2+events00:15:050
146342299241211,2398cyclictest1481647-21kworker/0:1+events20:09:350
14634229924118,2399cyclictest1508493-21kworker/0:0+events21:33:440
146342999240811,2394cyclictest1505112-21kworker/2:0+events21:17:412
146342999240712,2391cyclictest1506740-21kworker/2:2+events21:25:182
146342299240310,2390cyclictest1556830-21kworker/0:1+events23:59:010
146342599240212,2386cyclictest1550626-21kworker/1:1+events23:39:091
146342999240012,2385cyclictest1535975-21kworker/2:0+events22:55:112
146342599239812,2383cyclictest1502122-21kworker/1:0+events21:29:061
146342299239812,2383cyclictest1515024-21kworker/0:1+events21:50:360
146342999239712,2382cyclictest1479456-21kworker/2:1+events20:01:072
146343399239612,2380cyclictest1490896-21kworker/3:0+events20:33:093
146342599239112,2376cyclictest1566589-21kworker/1:2+events00:37:361
146342599239112,2375cyclictest1495877-21kworker/1:1+events21:02:251
146342599238913,2373cyclictest1553858-21kworker/1:0+events23:51:461
146342599238912,2374cyclictest1489268-21kworker/1:1+events20:37:261
146342599238812,2374cyclictest1519963-21kworker/1:3+events22:15:411
14634259923879,2374cyclictest1536490-21kworker/1:0+events23:11:541
146342599238712,2371cyclictest1495877-21kworker/1:1+events20:57:521
146342599238712,2371cyclictest1479697-21kworker/1:2+events20:02:401
146342599238710,2373cyclictest1557099-21kworker/1:2+events00:07:251
146342599238612,2370cyclictest1500423-21kworker/1:2+events21:08:551
146342599238512,2370cyclictest1521985-21kworker/1:1+events22:11:541
146342599238511,2370cyclictest1471639-21kworker/1:0+events19:44:501
146342299238512,2370cyclictest1542537-21kworker/0:2+events23:15:220
146342599238412,2369cyclictest1557099-21kworker/1:2+events00:10:271
146342599238212,2366cyclictest1550626-21kworker/1:1+events23:42:131
146342599238212,2366cyclictest1536490-21kworker/1:0+events23:23:291
146342599238112,2367cyclictest1494142-21kworker/1:0+events20:45:021
146342299238112,2366cyclictest1545931-21kworker/0:2+events23:24:370
146342599238012,2364cyclictest1503720-21kworker/1:1+events21:19:111
146342599237811,2364cyclictest1516598-21kworker/1:0+events22:07:151
146342599237411,2359cyclictest1547381-21kworker/1:1+events23:31:261
146342999237112,2356cyclictest1512031-21kworker/2:1+events21:49:262
146342299237110,2358cyclictest1484232-21kworker/0:0+events20:42:210
146343399237011,2355cyclictest1484321-21kworker/3:1+events20:27:303
14634299923646,2354cyclictest1552106-21kworker/2:2+events23:45:152
146342999236112,2346cyclictest1503453-21kworker/2:1+events21:13:522
146342299235912,2344cyclictest1568214-21kworker/0:2+events00:31:510
146343399235311,2339cyclictest1499042-21kworker/3:2+events21:05:253
146342599235212,2338cyclictest1532749-21kworker/1:2+events22:50:121
146342599235212,2337cyclictest1478090-21kworker/1:0+events19:56:571
146342999235011,2336cyclictest1527713-21kworker/2:1+events22:26:452
146342999234912,2334cyclictest1530979-21kworker/2:0+events22:44:332
146342299234510,2332cyclictest1536157-21kworker/0:1+events23:02:280
146342999234311,2328cyclictest1544389-21kworker/2:1+events23:21:562
146342599234111,2326cyclictest1503720-21kworker/1:1+events21:30:141
146343399233912,2324cyclictest1511942-21kworker/3:1+events21:44:033
146343399233910,2326cyclictest1479727-21kworker/3:0+events19:59:583
146342999233912,2323cyclictest1558771-21kworker/2:1+events00:12:002
146343399233812,2322cyclictest1516422-21kworker/3:1+events22:07:383
146342999232912,2314cyclictest1490807-21kworker/2:0+events20:34:422
146343399232811,2314cyclictest1564903-21kworker/3:0+events00:28:463
146343399232811,2314cyclictest1561922-21kworker/3:1+events00:22:013
146342999232712,2312cyclictest1534052-21kworker/2:1+events23:13:022
146342999232712,2312cyclictest1479456-21kworker/2:1+events20:06:302
146342999232712,2311cyclictest1548837-21kworker/2:2+events23:31:502
146342999232711,2312cyclictest1492410-21kworker/2:1+events20:48:282
146342999232710,2314cyclictest1527713-21kworker/2:1+events22:33:152
146343399232612,2310cyclictest1473198-21kworker/3:2+events19:47:253
146342599232612,2311cyclictest1560047-21kworker/1:1+events00:17:451
146343399232512,2310cyclictest1487904-21kworker/3:2+events20:51:513
146342999232512,2311cyclictest1468348-21kworker/2:1+events19:25:272
146342999232412,2308cyclictest1466699-21kworker/2:2+events19:23:332
146343399232312,2309cyclictest1503633-21kworker/3:1+events21:16:313
146343399232212,2306cyclictest1560314-21kworker/3:0+events00:14:433
146342999232211,2308cyclictest1508341-21kworker/2:0+events21:35:382
146342999232010,2307cyclictest1466699-21kworker/2:2+events19:18:382
146342299232011,2306cyclictest1563503-21kworker/0:1+events00:29:570
146342999231812,2303cyclictest1546019-21kworker/2:0+events23:29:572
146342599231712,2301cyclictest1466846-21kworker/1:1+events19:28:251
146343399231612,2301cyclictest1516422-21kworker/3:1+events22:02:453
146343399231612,2300cyclictest1539107-21kworker/3:2+events23:07:223
146343399231412,2299cyclictest1521690-21kworker/3:2+events22:21:023
146343399231411,2299cyclictest1479727-21kworker/3:0+events20:12:173
146343399231312,2298cyclictest1521690-21kworker/3:2+events22:16:023
146343399231311,2298cyclictest1564903-21kworker/3:0+events00:38:223
146342999231311,2298cyclictest1489206-21kworker/2:2+events20:37:472
146343399231212,2296cyclictest1534165-21kworker/3:0+events22:53:193
146342299231211,2299cyclictest1486222-21kworker/0:2+events20:20:170
146343399231112,2295cyclictest1463210-21kworker/3:2+events19:14:033
146342999231112,2296cyclictest1544389-21kworker/2:1+events23:37:582
146343399231012,2295cyclictest1539107-21kworker/3:2+events23:22:423
146342999231012,2294cyclictest1563199-21kworker/2:0+events00:20:282
146343399230910,2296cyclictest1532515-21kworker/3:2+events22:41:543
146343399230812,2293cyclictest1519704-21kworker/3:0+events22:12:153
146343399230512,2290cyclictest1499042-21kworker/3:2+events21:13:063
146343399230312,2288cyclictest1539107-21kworker/3:2+events23:04:403
146342999230312,2288cyclictest1540882-21kworker/2:0+events23:17:182
146343399229912,2284cyclictest1549080-21kworker/3:0+events23:37:363
146342599229810,2285cyclictest1476462-21kworker/1:2+events19:50:541
146342599229410,2280cyclictest1482958-21kworker/1:0+events20:13:241
146342999229110,2278cyclictest1470210-21kworker/2:0+events19:55:482
14634259922797,2269cyclictest1514967-21kworker/1:2+events21:58:341
14634299922677,2257cyclictest1468348-21kworker/2:1+events19:31:022
146342599226711,2252cyclictest1539076-21kworker/1:2+events23:01:211
146342999226311,2249cyclictest1479456-21kworker/2:1+events20:16:042
146342299226311,2248cyclictest1526471-21kworker/0:1+events22:26:210
146343399226111,2247cyclictest1561922-21kworker/3:1+events00:15:293
146342299225210,2239cyclictest1501907-21kworker/0:1+events21:12:420
146342299224211,2228cyclictest1556830-21kworker/0:1+events00:08:330
146342599223510,2222cyclictest1466846-21kworker/1:1+events19:32:351
146342299223510,2222cyclictest1471751-21kworker/0:0+events19:57:410
146342999223412,2219cyclictest1518078-21kworker/2:0+events21:58:572
146342999223411,2220cyclictest1476612-21kworker/2:2+events19:54:372
14634229922338,2222cyclictest1547563-21kworker/0:0+events23:34:060
146342299223110,2217cyclictest1536157-21kworker/0:1+events23:11:070
146343399223010,2217cyclictest1487904-21kworker/3:2+events20:49:353
146342599222910,2215cyclictest1553858-21kworker/1:0+events23:57:071
14634229922291,2224cyclictest1521601-21kworker/0:1+events22:14:090
146342299222811,2214cyclictest1466984-21kworker/0:2+events19:37:300
146342299222710,2214cyclictest1495819-21kworker/0:0+events20:59:210
146343399222611,2211cyclictest1532515-21kworker/3:2+events22:47:093
146342299222611,2212cyclictest1477915-21kworker/0:1+events19:53:060
146342299222610,2213cyclictest1479605-21kworker/0:2+events20:00:450
146342299222511,2212cyclictest1528072-21kworker/0:0+events22:47:530
146342299222410,2211cyclictest1516713-21kworker/0:2+events22:00:290
146342299222410,2211cyclictest1463026-21kworker/0:0+events19:24:410
146342299222311,2209cyclictest1495819-21kworker/0:0+events21:01:390
146342299222310,2209cyclictest1545931-21kworker/0:2+events23:26:070
146342299222111,2207cyclictest1503598-21kworker/0:0+events21:23:250
146342599222011,2207cyclictest1481348-21kworker/1:1+events20:07:161
146342299222011,2205cyclictest1470030-21kworker/0:1+events19:26:560
146342999221710,2203cyclictest1512031-21kworker/2:1+events21:52:272
146342599220811,2194cyclictest1502122-21kworker/1:0+events21:14:131
146342299220310,2190cyclictest1510433-21kworker/0:2+events21:46:450
146342999220211,2188cyclictest1566786-21kworker/2:0+events00:37:132
146342599220211,2188cyclictest1508602-21kworker/1:2+events21:36:251
146343399220112,2186cyclictest1539107-21kworker/3:2+events23:40:403
146342599219910,2186cyclictest1527745-21kworker/1:2+events22:31:421
146342599219610,2182cyclictest1566589-21kworker/1:2+events00:29:091
146342599219510,2182cyclictest1489268-21kworker/1:1+events20:27:541
146343399219412,2179cyclictest1490896-21kworker/3:0+events20:35:513
146343399219411,2180cyclictest1479727-21kworker/3:0+events20:21:253
146342999219011,2176cyclictest1552106-21kworker/2:2+events23:44:062
14634259921889,2176cyclictest1474862-21kworker/1:1+events19:45:541
146342999218712,2171cyclictest1534052-21kworker/2:1+events23:08:292
146342599218710,2173cyclictest1510637-21kworker/1:0+events21:40:351
146343399218511,2170cyclictest1482654-21kworker/3:2+events20:08:023
14634259921859,2172cyclictest1536490-21kworker/1:0+events22:58:181
14634259921838,2172cyclictest1490933-21kworker/1:2+events20:44:151
146342599218011,2166cyclictest1531037-21kworker/1:1+events22:38:551
146342599218010,2167cyclictest1503720-21kworker/1:1+events21:20:421
146342599218010,2167cyclictest1471639-21kworker/1:0+events19:37:061
146342599218010,2167cyclictest1461517-21kworker/1:0+events19:14:271
14634259921799,2166cyclictest1489268-21kworker/1:1+events20:32:461
14634259921789,2166cyclictest1514967-21kworker/1:2+events21:53:371
146342599217810,2164cyclictest1513208-21kworker/1:1+events21:47:541
14634259921779,2164cyclictest1479697-21kworker/1:2+events20:24:521
146343399217610,2163cyclictest1534165-21kworker/3:0+events22:57:543
146342599217411,2160cyclictest1466846-21kworker/1:1+events19:20:521
146342999216810,2155cyclictest1535975-21kworker/2:0+events22:53:412
146343399216710,2154cyclictest1527953-21kworker/3:1+events22:34:213
146342599216511,2151cyclictest1461517-21kworker/1:0+events19:17:301
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146342999215412,2139cyclictest1527713-21kworker/2:1+events22:37:002
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14634259921498,2138cyclictest1550626-21kworker/1:1+events23:45:401
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146342999213011,2117cyclictest1492410-21kworker/2:1+events20:40:042
146342999213010,2116cyclictest1552106-21kworker/2:2+events23:51:002
146343399212711,2113cyclictest1471598-21kworker/3:1+events19:31:473
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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