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2026-03-18 - 08:36

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 Wed Mar 18, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
54150199299814,2980cyclictest599623-21kworker/2:0+events22:15:162
54150199290013,2883cyclictest603050-21kworker/2:2+events22:50:142
54149999278513,2768cyclictest614071-21kworker/1:0+events22:55:101
54150199277413,2756cyclictest562922-21kworker/2:1+events20:40:152
54150199273013,2712cyclictest554564-21kworker/2:2+events20:10:132
54150199272213,2707cyclictest579175-21kworker/2:2+events21:10:142
54149599268210,2668cyclictest623767-21kworker/0:2+events23:55:110
54149599267011,2656cyclictest623767-21kworker/0:2+events23:50:190
54149599267011,2656cyclictest623767-21kworker/0:2+events23:50:190
54150599266713,2649cyclictest642719-21kworker/3:1+events00:25:173
54150599263313,2615cyclictest593378-21kworker/3:2+events21:50:183
54149999262711,2612cyclictest611017-21kworker/1:1+events22:45:171
54149999258112,2566cyclictest539599-21kworker/1:1+events19:15:011
54149999256812,2552cyclictest554655-21kworker/1:0+events19:48:531
54149999255612,2542cyclictest577726-21kworker/1:1+events21:35:051
54150199252712,2512cyclictest603050-21kworker/2:2+events22:58:152
54149599252612,2511cyclictest556281-21kworker/0:0+events19:53:230
54150199250412,2488cyclictest544789-21kworker/2:1+events19:34:482
54149999250112,2486cyclictest603137-21kworker/1:2+events22:35:251
54149999249912,2484cyclictest574203-21kworker/1:0+events20:58:511
54149999249512,2479cyclictest630331-21kworker/1:2+events23:52:091
54149999249512,2479cyclictest630331-21kworker/1:2+events23:52:091
54149599249512,2480cyclictest598382-21kworker/0:1+events22:07:460
54149599249511,2481cyclictest625449-21kworker/0:1+events23:28:400
54149599249412,2478cyclictest635217-21kworker/0:3+events00:12:490
54149599249412,2478cyclictest577783-21kworker/0:2+events21:16:450
54149999249312,2477cyclictest572601-21kworker/1:2+events20:45:141
54150599249112,2475cyclictest606124-21kworker/3:0+events22:31:363
54149999249112,2476cyclictest583947-21kworker/1:0+events21:24:221
54149999248512,2470cyclictest617389-21kworker/1:1+events23:12:011
54149599248312,2468cyclictest574237-21kworker/0:2+events20:49:020
54149999247810,2464cyclictest592491-21kworker/1:2+events21:46:571
54150199247512,2459cyclictest603050-21kworker/2:2+events22:48:412
54149999247511,2461cyclictest562804-21kworker/1:0+events20:12:331
54150599247111,2454cyclictest638157-21kworker/3:2+events00:35:123
54149999246312,2449cyclictest619202-21kworker/1:2+events23:30:111
54150199245910,2446cyclictest641407-21kworker/2:0+events00:30:152
54149999244812,2433cyclictest550117-21kworker/1:2+events19:53:461
54150199244512,2430cyclictest577548-21kworker/2:1+events20:57:232
54150199244511,2430cyclictest638218-21kworker/2:0+events00:11:402
54150199244511,2430cyclictest575952-21kworker/2:0+events20:54:422
54150199244412,2429cyclictest593467-21kworker/2:2+events21:56:252
54150199244312,2428cyclictest626869-21kworker/2:1+events23:48:232
54150199244112,2425cyclictest544789-21kworker/2:1+events19:19:352
54150199243912,2424cyclictest542788-21kworker/2:0+events19:28:452
54150199243311,2418cyclictest584157-21kworker/2:0+events21:22:502
54150199243210,2418cyclictest626869-21kworker/2:1+events23:34:182
5415019924319,2419cyclictest549977-21kworker/2:2+events19:38:332
54150199243011,2416cyclictest552577-21kworker/2:0+events19:41:152
54150199242812,2413cyclictest579175-21kworker/2:2+events21:31:152
54149999242612,2410cyclictest623876-21kworker/1:1+events23:25:171
54150199242411,2410cyclictest633399-21kworker/2:2+events00:04:242
5414959924209,2407cyclictest630035-21kworker/0:1+events23:45:220
54150199241910,2406cyclictest641407-21kworker/2:0+events00:26:022
54150199241811,2404cyclictest623993-21kworker/2:0+events23:27:322
54150599241312,2398cyclictest553106-21kworker/3:1+events20:26:113
54149599240112,2385cyclictest582343-21kworker/0:1+events21:14:520
54150199240011,2386cyclictest567866-21kworker/2:2+events20:31:552
54149599240012,2384cyclictest587204-21kworker/0:0+events21:30:290
54149999239910,2385cyclictest566442-21kworker/1:0+events20:35:191
54150599239311,2378cyclictest642719-21kworker/3:1+events00:21:533
54150599239112,2376cyclictest553106-21kworker/3:1+events20:15:353
54149999239012,2375cyclictest599942-21kworker/1:2+events22:10:221
54150599238712,2372cyclictest558007-21kworker/3:0+events20:03:423
54150599238710,2373cyclictest604492-21kworker/3:1+events22:23:083
54149999238612,2371cyclictest601539-21kworker/1:1+events22:22:461
54150199238311,2368cyclictest562922-21kworker/2:1+events20:38:222
54149999238012,2365cyclictest603137-21kworker/1:2+events22:40:451
54150599237712,2362cyclictest556314-21kworker/3:2+events19:56:303
54150199237710,2364cyclictest603050-21kworker/2:2+events22:40:202
54150599237612,2360cyclictest569440-21kworker/3:1+events20:56:593
54150199237112,2355cyclictest554564-21kworker/2:2+events20:17:302
54149999237111,2357cyclictest617389-21kworker/1:1+events23:03:131
54150599236411,2350cyclictest551456-21kworker/3:0+events19:42:193
54149599236311,2348cyclictest644432-21kworker/0:2+events00:32:310
54150599236111,2346cyclictest596640-21kworker/3:2+events22:17:103
54150199235010,2336cyclictest603050-21kworker/2:2+events23:06:352
54150199234610,2332cyclictest606306-21kworker/2:0+events22:33:532
54149599234610,2333cyclictest582343-21kworker/0:1+events21:28:330
54150599234512,2330cyclictest596640-21kworker/3:2+events22:59:243
54150599234511,2330cyclictest617448-21kworker/3:1+events23:12:473
54150599233810,2325cyclictest612287-21kworker/3:1+events22:52:533
54150199233811,2324cyclictest593467-21kworker/2:2+events22:09:592
54149999233411,2319cyclictest566442-21kworker/1:0+events20:33:471
54150599233111,2316cyclictest551456-21kworker/3:0+events19:47:203
54149599233011,2315cyclictest616032-21kworker/0:0+events23:19:580
54149599232912,2313cyclictest559513-21kworker/0:0+events20:07:560
54150599232811,2314cyclictest543003-21kworker/3:2+events19:36:403
54149999232812,2313cyclictest630331-21kworker/1:2+events00:04:471
54149599232810,2315cyclictest606361-21kworker/0:2+events22:34:380
54150599232712,2312cyclictest630420-21kworker/3:2+events23:48:023
54150599232712,2312cyclictest576184-21kworker/3:2+events21:11:463
54149999232712,2312cyclictest550117-21kworker/1:2+events19:55:201
54149599232712,2312cyclictest568075-21kworker/0:2+events20:41:450
54149599232712,2311cyclictest546597-21kworker/0:1+events19:31:050
54149999232612,2311cyclictest550117-21kworker/1:2+events20:17:521
54149599232612,2311cyclictest596726-21kworker/0:2+events22:11:550
54150599232511,2312cyclictest636525-21kworker/3:1+events00:10:073
54150599232511,2311cyclictest585723-21kworker/3:1+events21:25:313
54149599232511,2311cyclictest604697-21kworker/0:0+events22:41:530
54150599232410,2311cyclictest569440-21kworker/3:1+events21:02:193
54149999232312,2308cyclictest638036-21kworker/1:0+events00:23:471
54149999232312,2308cyclictest630331-21kworker/1:2+events00:05:581
54149599232311,2309cyclictest623767-21kworker/0:2+events23:44:110
54150599232012,2305cyclictest584069-21kworker/3:2+events21:21:193
54149599231712,2301cyclictest577783-21kworker/0:2+events21:09:070
54149599230912,2294cyclictest572632-21kworker/0:1+events20:57:430
54149599230712,2292cyclictest554624-21kworker/0:2+events19:56:070
54150599230612,2290cyclictest624085-21kworker/3:0+events23:31:413
54149999230512,2289cyclictest542876-21kworker/1:2+events19:24:291
54149999230512,2289cyclictest542876-21kworker/1:2+events19:24:291
54149599230511,2291cyclictest566324-21kworker/0:1+events20:23:320
54150199230011,2286cyclictest631817-21kworker/2:0+events23:53:172
54150199230011,2286cyclictest631817-21kworker/2:0+events23:53:162
54150199228911,2276cyclictest603050-21kworker/2:2+events22:35:032
54149999228011,2265cyclictest560906-21kworker/1:1+events20:09:511
54150599227812,2263cyclictest580744-21kworker/3:0+events21:37:003
5414959922760,2273cyclictest646023-21kworker/0:0+events00:37:490
5414959922758,2264cyclictest548262-21kworker/0:0+events19:40:510
5415019922727,2261cyclictest622320-21kworker/2:2+events23:21:532
54149599227110,2257cyclictest546597-21kworker/0:1+events19:27:340
54150199227011,2256cyclictest554564-21kworker/2:2+events19:56:532
54149999227011,2256cyclictest564472-21kworker/1:1+events20:20:501
54149999226810,2254cyclictest639673-21kworker/1:2+events00:13:121
54149599226810,2255cyclictest595068-21kworker/0:1+events21:57:130
5414959922668,2255cyclictest625449-21kworker/0:1+events23:30:330
54149599226510,2251cyclictest596726-21kworker/0:2+events22:21:160
54150199225411,2240cyclictest630129-21kworker/2:2+events23:43:062
54149999225411,2241cyclictest627074-21kworker/1:1+events23:35:031
54149999225211,2238cyclictest644570-21kworker/1:1+events00:33:391
5415019922439,2230cyclictest575952-21kworker/2:0+events21:04:332
54149599224310,2230cyclictest616032-21kworker/0:0+events23:22:150
54150199223810,2225cyclictest622320-21kworker/2:2+events23:35:242
54150599223711,2222cyclictest541107-21kworker/3:1+events19:27:133
54150199223610,2222cyclictest599623-21kworker/2:0+events22:23:332
5415019922348,2222cyclictest588604-21kworker/2:0+events21:47:412
54150199223411,2220cyclictest604667-21kworker/2:1+events22:28:302
54150199223410,2221cyclictest579175-21kworker/2:2+events21:37:232
54150199223310,2220cyclictest591838-21kworker/2:1+events21:42:462
54150199223310,2219cyclictest635053-21kworker/2:1+events00:22:392
54150599223210,2219cyclictest636525-21kworker/3:1+events00:08:123
54149599223211,2217cyclictest614011-21kworker/0:2+events23:04:210
54150199223110,2218cyclictest635053-21kworker/2:1+events00:19:162
54150199223011,2216cyclictest631817-21kworker/2:0+events23:55:352
54150199223011,2216cyclictest615914-21kworker/2:0+events23:00:542
54150199223010,2217cyclictest554564-21kworker/2:2+events19:54:102
54150199222910,2216cyclictest574054-21kworker/2:2+events20:49:222
54150199222811,2214cyclictest617536-21kworker/2:1+events23:17:222
54150199222811,2214cyclictest593467-21kworker/2:2+events22:00:572
54149599222811,2214cyclictest609156-21kworker/0:1+events22:36:580
54150199222610,2213cyclictest603050-21kworker/2:2+events23:12:232
54150199222311,2209cyclictest582522-21kworker/2:1+events21:16:002
54150199222311,2209cyclictest575952-21kworker/2:0+events21:09:272
54150199222211,2208cyclictest564616-21kworker/2:0+events20:23:102
5415019922189,2206cyclictest564616-21kworker/2:0+events20:26:352
5415019922189,2205cyclictest542788-21kworker/2:0+events19:14:372
54150599221710,2204cyclictest633270-21kworker/3:0+events23:57:533
5415059922168,2205cyclictest644355-21kworker/3:0+events00:34:253
54150199221611,2202cyclictest554564-21kworker/2:2+events20:07:332
54149599221611,2202cyclictest561148-21kworker/0:1+events20:13:380
54150599221411,2199cyclictest558007-21kworker/3:0+events20:05:143
54150199221010,2196cyclictest599623-21kworker/2:0+events22:11:092
54150199220911,2195cyclictest635053-21kworker/2:1+events00:08:582
54149599220611,2191cyclictest638067-21kworker/0:0+events00:08:360
54150199220310,2190cyclictest544789-21kworker/2:1+events19:22:162
54150199220310,2190cyclictest544789-21kworker/2:1+events19:22:152
5415019921979,2185cyclictest593467-21kworker/2:2+events21:54:332
54150599218011,2166cyclictest596640-21kworker/3:2+events22:27:443
5415019921798,2169cyclictest579175-21kworker/2:2+events21:25:072
54150599217211,2158cyclictest612287-21kworker/3:1+events22:49:523
54150599217211,2158cyclictest543003-21kworker/3:2+events19:20:453
54150599217211,2158cyclictest543003-21kworker/3:2+events19:20:443
54150599216710,2153cyclictest561289-21kworker/3:2+events20:11:223
54149599216611,2152cyclictest616032-21kworker/0:0+events23:11:140
54149599216111,2147cyclictest601308-21kworker/0:0+events22:16:470
54149599216110,2148cyclictest602966-21kworker/0:1+events22:29:160
5414959921599,2146cyclictest612413-21kworker/0:1+events22:47:540
54149599215912,2144cyclictest635217-21kworker/0:3+events00:17:000
54149999215311,2139cyclictest638036-21kworker/1:0+events00:36:421
54150599215211,2138cyclictest567836-21kworker/3:0+events20:32:183
54149599214611,2132cyclictest627164-21kworker/0:0+events23:37:430
54150599214211,2128cyclictest620690-21kworker/3:2+events23:22:373
54149999213912,2124cyclictest630331-21kworker/1:2+events23:55:591
54150599213811,2124cyclictest556314-21kworker/3:2+events19:54:573
54149599213711,2123cyclictest585602-21kworker/0:2+events21:23:580
54150599213110,2118cyclictest585723-21kworker/3:1+events21:33:093
54150599213110,2117cyclictest607823-21kworker/3:1+events22:37:213
5415059921299,2116cyclictest596640-21kworker/3:2+events22:42:373
54150599212810,2115cyclictest617448-21kworker/3:1+events23:05:263
54150599212711,2113cyclictest582372-21kworker/3:1+events21:15:383
54149999212710,2114cyclictest638036-21kworker/1:0+events00:15:271
54150599212610,2112cyclictest638157-21kworker/3:2+events00:18:093
54150599212511,2111cyclictest626929-21kworker/3:2+events23:35:463
54150599212511,2111cyclictest596640-21kworker/3:2+events22:10:463
54150599212511,2111cyclictest580744-21kworker/3:0+events21:40:493
54150599212111,2107cyclictest598261-21kworker/3:0+events22:04:013
54149599211910,2105cyclictest644432-21kworker/0:2+events00:27:570
54150599211711,2103cyclictest619051-21kworker/3:0+events23:16:363
54150599211711,2103cyclictest574297-21kworker/3:0+events20:53:103
5415059921169,2104cyclictest553106-21kworker/3:1+events20:21:373
54150199211510,2102cyclictest647474-21kworker/2:2+events00:37:272
54149599211510,2101cyclictest568075-21kworker/0:2+events20:39:080
54150599211411,2100cyclictest580744-21kworker/3:0+events21:08:233
54150599211411,2099cyclictest633270-21kworker/3:0+events23:53:403
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54149999211110,2098cyclictest628681-21kworker/1:0+events23:43:271
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54149599210411,2089cyclictest604697-21kworker/0:0+events22:51:450
5414959921038,2092cyclictest614011-21kworker/0:2+events22:55:570
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54149999210011,2085cyclictest577726-21kworker/1:1+events21:28:101
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54150599203110,2017cyclictest569440-21kworker/3:1+events20:39:313
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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