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2026-03-20 - 23:04

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 792 highest latencies:
System rackfslot7s.osadl.org (updated Fri Mar 20, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14971849929919,2978cyclictest1505502-21kworker/2:0+events19:50:152
149718799279611,2780cyclictest1532427-21kworker/3:2+events21:40:123
149717799275912,2744cyclictest1574002-21kworker/0:0+events23:15:160
149718799274813,2730cyclictest1510037-21kworker/3:1+events19:55:153
149717799274312,2726cyclictest1596239-21kworker/0:1+events00:20:170
149717799270811,2693cyclictest1507108-21kworker/0:0+events20:00:130
149718499264413,2627cyclictest1556549-21kworker/2:0+events22:45:162
149717799259312,2577cyclictest1525977-21kworker/0:0+events20:45:120
149717799258910,2576cyclictest1507108-21kworker/0:0+events19:40:180
149718799256712,2552cyclictest1584994-21kworker/3:2+events23:45:013
149718299256212,2546cyclictest1599413-21kworker/1:1+events00:38:281
149718299254412,2529cyclictest1510066-21kworker/1:0+events19:52:111
149718299253812,2523cyclictest1583335-21kworker/1:1+events23:41:351
149718299253812,2522cyclictest1550506-21kworker/1:2+events21:57:231
149717799253612,2521cyclictest1534360-21kworker/0:0+events21:15:410
149717799253612,2521cyclictest1534360-21kworker/0:0+events21:15:410
149718299253512,2519cyclictest1586622-21kworker/1:2+events23:50:401
149718299252111,2506cyclictest1556585-21kworker/1:1+events22:23:381
149718499251712,2501cyclictest1596541-21kworker/2:2+events00:39:352
149718499250912,2493cyclictest1554918-21kworker/2:1+events22:12:332
149718299250911,2495cyclictest1521526-21kworker/1:2+events20:30:221
149718499250310,2489cyclictest1580424-21kworker/2:1+events23:33:072
149718499249812,2483cyclictest1524437-21kworker/2:1+events20:38:462
149718499249712,2482cyclictest1575567-21kworker/2:0+events23:28:122
149718799249512,2479cyclictest1596480-21kworker/3:2+events00:26:203
149718299249112,2476cyclictest1593210-21kworker/1:2+events00:25:141
149718299249012,2473cyclictest1533902-21kworker/1:2+events21:03:491
149718799248712,2472cyclictest1603022-21kworker/3:0+events00:38:503
149718499248112,2466cyclictest1503836-21kworker/2:1+events19:30:202
149718499248012,2464cyclictest1519591-21kworker/2:0+events20:22:282
149717799247710,2464cyclictest1543641-21kworker/0:1+events22:15:140
149718299247611,2461cyclictest1550506-21kworker/1:2+events22:12:571
149717799247611,2463cyclictest1560014-21kworker/0:1+events22:50:130
149717799247312,2458cyclictest1552072-21kworker/0:2+events22:05:210
149718799247112,2457cyclictest1573937-21kworker/3:1+events23:20:103
149718799246810,2455cyclictest1532427-21kworker/3:2+events20:59:563
149717799246812,2452cyclictest1540412-21kworker/0:2+events21:27:170
149718299245812,2443cyclictest1535890-21kworker/1:0+events21:26:551
149717799245811,2443cyclictest1572285-21kworker/0:2+events23:02:250
149718299245712,2442cyclictest1519809-21kworker/1:1+events20:24:241
149718299245712,2441cyclictest1516499-21kworker/1:0+events20:19:451
149718299245612,2441cyclictest1521526-21kworker/1:2+events20:53:071
149718299245611,2442cyclictest1594881-21kworker/1:1+events00:16:291
149718299245211,2437cyclictest1521526-21kworker/1:2+events20:44:271
149718299245112,2435cyclictest1503869-21kworker/1:0+events19:34:351
149718299245012,2435cyclictest1569323-21kworker/1:1+events22:54:441
149718299245012,2435cyclictest1554950-21kworker/1:0+events22:08:461
149718299244912,2434cyclictest1546687-21kworker/1:2+events21:41:441
149717799244914,2432cyclictest1574002-21kworker/0:0+events23:09:590
149717799244912,2435cyclictest1518137-21kworker/0:2+events20:20:070
149717799244811,2433cyclictest1518137-21kworker/0:2+events20:34:370
149718299244712,2432cyclictest1550506-21kworker/1:2+events22:19:461
149718299244711,2434cyclictest1533902-21kworker/1:2+events21:06:311
149718299244711,2433cyclictest1556585-21kworker/1:1+events22:36:121
149718499244612,2431cyclictest1575567-21kworker/2:0+events23:13:442
149718299244612,2431cyclictest1575686-21kworker/1:2+events23:19:231
149718499244512,2430cyclictest1505502-21kworker/2:0+events19:58:212
149718499244311,2428cyclictest1593241-21kworker/2:1+events00:13:082
149718299244210,2428cyclictest1527715-21kworker/1:0+events20:55:241
149718299243912,2423cyclictest1599413-21kworker/1:1+events00:33:531
149718499243812,2423cyclictest1538976-21kworker/2:1+events21:19:262
149718499243812,2423cyclictest1538976-21kworker/2:1+events21:19:262
149718499243510,2422cyclictest1569142-21kworker/2:2+events22:52:522
149718499243411,2419cyclictest1517985-21kworker/2:2+events20:12:232
149718499243112,2415cyclictest1556549-21kworker/2:0+events22:16:232
149718499243111,2416cyclictest1600985-21kworker/2:1+events00:32:232
149718299243112,2415cyclictest1542350-21kworker/1:2+events21:31:261
149718299242712,2411cyclictest1593210-21kworker/1:2+events00:11:111
149718499242612,2411cyclictest1554918-21kworker/2:1+events22:08:232
149718499242612,2410cyclictest1532276-21kworker/2:0+events20:58:032
149718499242412,2409cyclictest1550273-21kworker/2:1+events21:53:562
149718499242412,2409cyclictest1526066-21kworker/2:2+events20:40:412
149718499242312,2407cyclictest1582031-21kworker/2:0+events23:53:192
149718499242312,2407cyclictest1538976-21kworker/2:1+events21:31:512
149718499242212,2407cyclictest1526066-21kworker/2:2+events21:22:022
149718499242212,2406cyclictest1582031-21kworker/2:0+events23:40:262
149718499242112,2406cyclictest1593241-21kworker/2:1+events00:24:072
149718499242112,2405cyclictest1546835-21kworker/2:0+events22:02:222
149718499241912,2404cyclictest1588252-21kworker/2:1+events23:57:302
149718499241912,2404cyclictest1519591-21kworker/2:0+events20:29:392
149718799241612,2400cyclictest1532427-21kworker/3:2+events21:12:143
149717799241112,2396cyclictest1560014-21kworker/0:1+events22:30:270
149718299240811,2394cyclictest1503869-21kworker/1:0+events19:39:331
149717799240412,2389cyclictest1496814-21kworker/0:2+events19:23:480
149718799239511,2381cyclictest1586655-21kworker/3:1+events23:52:333
149717799239512,2380cyclictest1534360-21kworker/0:0+events21:11:500
149718799238812,2373cyclictest1529161-21kworker/3:1+events20:48:323
149717799238812,2372cyclictest1558152-21kworker/0:2+events22:25:100
149717799238711,2372cyclictest1560014-21kworker/0:1+events22:58:580
149717799238710,2373cyclictest1560014-21kworker/0:1+events23:11:270
149717799238412,2369cyclictest1550391-21kworker/0:0+events21:55:500
149717799238312,2368cyclictest1590321-21kworker/0:3+events00:13:540
149717799238310,2370cyclictest1578645-21kworker/0:1+events23:25:330
149717799238212,2367cyclictest1540412-21kworker/0:2+events21:32:380
149717799238211,2367cyclictest1511581-21kworker/0:2+events19:54:050
149718499237912,2364cyclictest1569142-21kworker/2:2+events23:01:412
149718299237710,2364cyclictest1567694-21kworker/1:0+events23:06:571
149718799237610,2362cyclictest1529161-21kworker/3:1+events21:01:293
149717799237612,2361cyclictest1543641-21kworker/0:1+events21:43:360
149717799237512,2360cyclictest1527628-21kworker/0:2+events20:44:050
149718799237412,2359cyclictest1519530-21kworker/3:1+events20:31:573
149718299237112,2356cyclictest1578555-21kworker/1:1+events23:23:131
149717799236211,2347cyclictest1594215-21kworker/0:0+events00:15:450
149717799236011,2346cyclictest1552072-21kworker/0:2+events22:02:440
149718799235910,2347cyclictest1545331-21kworker/3:1+events21:50:083
149717799235812,2344cyclictest1556465-21kworker/0:0+events22:21:410
149718799235712,2341cyclictest1551093-21kworker/3:0+events22:04:593
149718799235512,2340cyclictest1569454-21kworker/3:2+events23:09:363
14971879923509,2338cyclictest1540504-21kworker/3:0+events21:25:273
149718799235012,2335cyclictest1558004-21kworker/3:2+events22:24:493
14971779923509,2337cyclictest1518137-21kworker/0:2+events20:28:320
149718799234811,2336cyclictest1580189-21kworker/3:0+events23:48:023
149718799234810,2334cyclictest1532427-21kworker/3:2+events21:06:543
149717799234812,2332cyclictest1538734-21kworker/0:1+events21:23:570
149718799234712,2332cyclictest1573937-21kworker/3:1+events23:14:063
149718499234411,2329cyclictest1593241-21kworker/2:1+events00:16:532
149718799234210,2329cyclictest1511765-21kworker/3:0+events20:02:293
14971779923427,2332cyclictest1578645-21kworker/0:1+events23:22:510
149718799234112,2326cyclictest1529161-21kworker/3:1+events20:50:523
149718799234012,2324cyclictest1519530-21kworker/3:1+events20:26:423
149718799234010,2326cyclictest1588371-21kworker/3:2+events00:09:413
149717799233712,2322cyclictest1599651-21kworker/0:1+events00:34:400
149718799233611,2322cyclictest1577382-21kworker/3:2+events23:35:483
149718799233512,2320cyclictest1594727-21kworker/3:0+events00:12:453
149718799233112,2316cyclictest1537281-21kworker/3:1+events21:18:193
149718799233112,2316cyclictest1537281-21kworker/3:1+events21:18:183
149718499232910,2315cyclictest1582031-21kworker/2:0+events23:36:582
149718499232411,2309cyclictest1550273-21kworker/2:1+events21:57:472
149717799231612,2300cyclictest1543641-21kworker/0:1+events21:47:280
149718299231312,2298cyclictest1584965-21kworker/1:0+events23:46:081
149718299231110,2297cyclictest1545062-21kworker/1:0+events21:50:301
149718299230912,2295cyclictest1567694-21kworker/1:0+events23:03:571
149718299230310,2289cyclictest1508434-21kworker/1:1+events19:43:021
149717799230111,2287cyclictest1583548-21kworker/0:1+events23:44:140
149718499229911,2284cyclictest1502106-21kworker/2:2+events19:38:252
149717799229911,2284cyclictest1581878-21kworker/0:0+events23:33:530
149718799229612,2281cyclictest1540504-21kworker/3:0+events21:23:333
149718799229612,2280cyclictest1525943-21kworker/3:0+events20:42:103
149718799228111,2266cyclictest1532427-21kworker/3:2+events21:30:213
149718299228012,2266cyclictest1545062-21kworker/1:0+events21:48:381
149717799227712,2261cyclictest1513189-21kworker/0:1+events20:10:280
149718799227412,2259cyclictest1580189-21kworker/3:0+events23:31:123
149718299227411,2259cyclictest1514783-21kworker/1:1+events20:04:221
149718299226411,2250cyclictest1590304-21kworker/1:1+events00:02:011
149718799226211,2248cyclictest1588371-21kworker/3:2+events00:02:233
149718799226010,2248cyclictest1558004-21kworker/3:2+events22:35:043
149718299225810,2246cyclictest1514783-21kworker/1:1+events20:10:061
149718499225410,2241cyclictest1526066-21kworker/2:2+events20:48:102
149718799225312,2238cyclictest1551093-21kworker/3:0+events21:59:423
149718299225110,2238cyclictest1535890-21kworker/1:0+events21:24:191
149717799225010,2236cyclictest1581878-21kworker/0:0+events23:37:440
149718799224411,2230cyclictest1485426-21kworker/3:1+events19:17:393
149717799224411,2229cyclictest1530854-21kworker/0:2+events20:59:350
149717799224410,2230cyclictest1583548-21kworker/0:1+events23:48:250
149718499224310,2229cyclictest1490046-21kworker/2:0+events19:25:202
14971829922428,2230cyclictest1574090-21kworker/1:1+events23:11:041
149718499224110,2227cyclictest1538976-21kworker/2:1+events21:38:172
149718799223412,2219cyclictest1564526-21kworker/3:1+events22:50:343
149718299223311,2219cyclictest1593210-21kworker/1:2+events00:21:501
149718499223210,2219cyclictest1535709-21kworker/2:1+events21:10:422
149718299223110,2218cyclictest1580308-21kworker/1:2+events23:36:121
149718799223010,2217cyclictest1522742-21kworker/3:2+events20:37:153
149718299222910,2216cyclictest1508434-21kworker/1:1+events19:49:051
149718799222812,2213cyclictest1558004-21kworker/3:2+events22:27:473
14971829922289,2216cyclictest1523304-21kworker/1:1+events20:39:101
149718299222811,2214cyclictest1531411-21kworker/1:1+events21:11:281
149718299222811,2213cyclictest1569323-21kworker/1:1+events22:58:351
149718299222810,2215cyclictest1510066-21kworker/1:0+events19:56:261
149718499222710,2214cyclictest1510125-21kworker/2:2+events19:48:432
149718299222611,2211cyclictest1559812-21kworker/1:0+events22:27:271
149718299222511,2212cyclictest1561411-21kworker/1:2+events22:32:461
149718299222511,2210cyclictest1516499-21kworker/1:0+events20:08:321
149718299222510,2212cyclictest1588342-21kworker/1:0+events00:07:201
149718499222411,2210cyclictest1577173-21kworker/2:1+events23:19:002
149718299222410,2211cyclictest1527715-21kworker/1:0+events20:47:021
149717799222411,2209cyclictest1601307-21kworker/0:0+events00:35:250
149718299222310,2210cyclictest1540623-21kworker/1:1+events21:39:491
149718299222310,2209cyclictest1496661-21kworker/1:1+events19:24:571
149718299222211,2209cyclictest1545062-21kworker/1:0+events22:00:061
149718299222110,2208cyclictest1535890-21kworker/1:0+events21:19:471
149718299222110,2208cyclictest1535890-21kworker/1:0+events21:19:461
14971829922199,2207cyclictest1502260-21kworker/1:2+events19:26:511
149718499220811,2193cyclictest1526066-21kworker/2:2+events20:51:592
149718799220711,2193cyclictest1519530-21kworker/3:1+events20:21:183
14971849922067,2196cyclictest1505502-21kworker/2:0+events20:03:382
149718499220611,2191cyclictest1538976-21kworker/2:1+events21:45:332
149717799220611,2192cyclictest1525977-21kworker/0:0+events20:54:140
149718499220411,2190cyclictest1559796-21kworker/2:1+events22:29:422
149718499220410,2190cyclictest1526066-21kworker/2:2+events21:08:492
149718499220310,2190cyclictest1546835-21kworker/2:0+events21:44:462
149718499220211,2188cyclictest1564376-21kworker/2:2+events22:41:082
149718499220211,2188cyclictest1526066-21kworker/2:2+events21:00:432
149718499220111,2186cyclictest1570744-21kworker/2:0+events23:06:342
149718499219910,2186cyclictest1596541-21kworker/2:2+events00:29:002
149718499219910,2186cyclictest1590152-21kworker/2:2+events00:07:432
149718499219811,2184cyclictest1570744-21kworker/2:0+events22:57:492
14971849921979,2184cyclictest1538976-21kworker/2:1+events21:27:402
149718499219110,2178cyclictest1559796-21kworker/2:1+events22:31:592
149717799218611,2171cyclictest1565998-21kworker/0:0+events22:45:400
149717799218311,2169cyclictest1560014-21kworker/0:1+events22:43:230
149717799217911,2165cyclictest1585174-21kworker/0:0+events23:55:570
149717799217911,2165cyclictest1525977-21kworker/0:0+events20:39:570
149717799217911,2164cyclictest1513189-21kworker/0:1+events19:59:060
149717799217910,2165cyclictest1560014-21kworker/0:1+events22:38:030
149718499217811,2163cyclictest1514990-21kworker/2:1+events20:06:392
149717799217810,2165cyclictest1534360-21kworker/0:0+events21:06:070
149717799217710,2164cyclictest1543641-21kworker/0:1+events21:54:410
149718499217611,2162cyclictest1521230-21kworker/2:2+events20:32:202
149717799217610,2162cyclictest1496814-21kworker/0:2+events19:18:470
149717799217410,2161cyclictest1530854-21kworker/0:2+events21:04:130
149718799217311,2159cyclictest1573937-21kworker/3:1+events23:16:013
149717799217211,2159cyclictest1589909-21kworker/0:1+events00:00:540
149717799216710,2153cyclictest1543641-21kworker/0:1+events22:11:280
149718799216610,2153cyclictest1485426-21kworker/3:1+events19:23:263
149717799216610,2152cyclictest1597981-21kworker/0:2+events00:28:370
14971879921657,2154cyclictest1503926-21kworker/3:2+events19:29:343
149717799216310,2150cyclictest1505411-21kworker/0:2+events19:39:100
149718799216211,2148cyclictest1558004-21kworker/3:2+events22:16:453
14971779921618,2150cyclictest1585174-21kworker/0:0+events23:51:250
149718799216010,2146cyclictest1515107-21kworker/3:1+events20:05:533
149717799216011,2146cyclictest1589909-21kworker/0:1+events00:08:070
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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