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2026-08-18 - 17:24

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 Aug 18, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179358999367317,3650cyclictest1874874-21kworker/2:2+events23:30:172
179358299331216,3290cyclictest1887644-21kworker/0:2+events00:00:010
17935829931349,3121cyclictest1834203-21kworker/0:2+events21:15:130
179359299305214,3034cyclictest1861003-21kworker/3:0+events23:05:113
17935899930445,3035cyclictest1817704-21kworker/2:2+events20:35:112
179358799293217,2910cyclictest1868692-21kworker/1:2+events23:14:591
179358799282814,2811cyclictest1867024-21kworker/1:0+events23:00:181
179358799281612,2802cyclictest1852397-21kworker/1:1+events22:30:011
179358799279714,2780cyclictest1830936-21kworker/1:2+events21:24:591
179358799278313,2765cyclictest1845792-21kworker/1:2+events22:04:591
179358799277613,2758cyclictest1800262-21kworker/1:2+events19:45:181
179358999277213,2755cyclictest1814436-21kworker/2:0+events20:12:432
179358799274912,2733cyclictest1886261-21kworker/1:1+events00:05:141
179358799274513,2728cyclictest1809918-21kworker/1:0+events20:00:161
179358299273613,2719cyclictest1835805-21kworker/0:0+events21:29:580
179358799273312,2717cyclictest1822514-21kworker/1:2+events20:49:161
179358799273213,2715cyclictest1788543-21kworker/1:0+events19:20:291
179358299273213,2715cyclictest1879923-21kworker/0:1+events23:35:150
179358299273213,2715cyclictest1879923-21kworker/0:1+events23:35:150
179358799272111,2705cyclictest1800262-21kworker/1:2+events20:15:001
179358799271113,2694cyclictest1858868-21kworker/1:2+events22:35:441
179358299271113,2694cyclictest1884790-21kworker/0:0+events00:02:350
179358299271010,2695cyclictest1806471-21kworker/0:2+events20:25:170
179358299270712,2691cyclictest1857055-21kworker/0:2+events22:42:590
17935899927046,2692cyclictest1829225-21kworker/2:0+events21:10:122
179358299270013,2683cyclictest1871706-21kworker/0:1+events23:21:310
179359299269212,2677cyclictest1886114-21kworker/3:2+events23:54:443
179358999269113,2674cyclictest1825999-21kworker/2:2+events20:55:192
179359299267713,2660cyclictest1837624-21kworker/3:1+events21:40:453
179358999265912,2645cyclictest1829225-21kworker/2:0+events21:05:122
179358299265413,2638cyclictest1857055-21kworker/0:2+events22:34:140
179358999265013,2633cyclictest1878105-21kworker/2:0+events23:28:252
179358299263812,2622cyclictest1862408-21kworker/0:0+events23:11:580
179358799263511,2620cyclictest1867024-21kworker/1:0+events22:57:381
179359299262913,2612cyclictest1833960-21kworker/3:2+events21:18:143
179358999262913,2612cyclictest1856988-21kworker/2:0+events22:41:292
179358799262113,2604cyclictest1882992-21kworker/1:2+events23:52:521
179359299259912,2583cyclictest1830505-21kworker/3:0+events21:07:533
179358799258512,2569cyclictest1852397-21kworker/1:1+events22:24:201
17935929925816,2571cyclictest1811536-21kworker/3:1+events20:24:533
179359299257612,2560cyclictest1800031-21kworker/3:1+events19:33:013
179358999257612,2560cyclictest1840705-21kworker/2:1+events21:33:042
179359299257513,2559cyclictest1820795-21kworker/3:1+events20:37:503
179359299257512,2559cyclictest1811536-21kworker/3:1+events20:12:203
179358799257312,2558cyclictest1891614-21kworker/1:0+events00:26:121
179359299257212,2556cyclictest1826116-21kworker/3:1+events21:04:033
179358999257212,2558cyclictest1886249-21kworker/2:2+events23:56:132
179358999257112,2555cyclictest1835563-21kworker/2:1+events21:26:312
179359299256812,2552cyclictest1861003-21kworker/3:0+events23:29:093
179359299256812,2552cyclictest1855353-21kworker/3:0+events22:17:053
179359299256612,2550cyclictest1839283-21kworker/3:2+events21:49:063
179359299256111,2547cyclictest1886114-21kworker/3:2+events00:05:363
179359299256011,2545cyclictest1845644-21kworker/3:0+events21:58:553
179359299255911,2544cyclictest1857088-21kworker/3:2+events22:28:093
179358999255912,2543cyclictest1824110-21kworker/2:0+events20:50:242
17935929925586,2549cyclictest1800031-21kworker/3:1+events19:41:013
179358999255712,2542cyclictest1873283-21kworker/2:1+events23:14:142
179359299255312,2537cyclictest1886114-21kworker/3:2+events00:13:153
179359299255212,2536cyclictest1806261-21kworker/3:0+events19:48:003
179359299254812,2532cyclictest1822452-21kworker/3:0+events20:41:123
179358799254810,2534cyclictest1808310-21kworker/1:1+events19:55:191
179358799254810,2534cyclictest1808310-21kworker/1:1+events19:55:181
17935929925478,2536cyclictest1884479-21kworker/3:1+events23:49:273
179359299254712,2533cyclictest1800031-21kworker/3:1+events19:50:183
179359299254712,2532cyclictest1878319-21kworker/3:1+events23:33:453
179359299254612,2530cyclictest1881230-21kworker/3:2+events23:42:323
179359299254612,2530cyclictest1881230-21kworker/3:2+events23:42:313
179359299253712,2522cyclictest1835687-21kworker/3:0+events21:24:133
179358999253712,2521cyclictest1896361-21kworker/2:0+events00:33:052
179359299253212,2516cyclictest1861003-21kworker/3:0+events23:36:023
179359299253212,2516cyclictest1861003-21kworker/3:0+events23:36:023
179358999252712,2511cyclictest1809619-21kworker/2:1+events19:56:522
179358999252712,2511cyclictest1809619-21kworker/2:1+events19:56:522
179359299252312,2508cyclictest1798397-21kworker/3:2+events19:30:003
179359299252212,2507cyclictest1892648-21kworker/3:0+events00:19:413
179359299251612,2500cyclictest1865414-21kworker/3:1+events22:46:533
17935879925169,2503cyclictest1887860-21kworker/1:2+events00:00:231
179359299251312,2497cyclictest1867263-21kworker/3:2+events22:59:083
179359299251212,2497cyclictest1861003-21kworker/3:0+events22:40:423
179358999251212,2496cyclictest1894433-21kworker/2:1+events00:27:442
179358799251212,2496cyclictest1844190-21kworker/1:0+events21:44:571
179359299250912,2493cyclictest1857088-21kworker/3:2+events22:35:223
179358799250911,2494cyclictest1881305-21kworker/1:1+events23:42:541
179358799250911,2494cyclictest1881305-21kworker/1:1+events23:42:541
179358799250711,2493cyclictest1852397-21kworker/1:1+events22:09:141
17935879925053,2498cyclictest1800262-21kworker/1:2+events19:37:141
179359299250212,2486cyclictest1858721-21kworker/3:1+events22:31:113
179358799250212,2487cyclictest1855635-21kworker/1:0+events22:28:311
179358299250210,2488cyclictest1812900-21kworker/0:0+events20:11:130
179358299250112,2485cyclictest1793330-21kworker/0:1+events19:18:350
179359299249912,2484cyclictest1865414-21kworker/3:1+events22:50:473
179359299249812,2482cyclictest1811536-21kworker/3:1+events20:05:323
179359299249612,2481cyclictest1873334-21kworker/3:1+events23:13:503
179358999249612,2480cyclictest1816047-21kworker/2:1+events20:19:102
17935899924960,2492cyclictest1874874-21kworker/2:2+events23:18:482
179358999249512,2480cyclictest1809619-21kworker/2:1+events20:01:462
179359299249412,2479cyclictest1898739-21kworker/3:0+events00:35:453
179359299249312,2477cyclictest1816365-21kworker/3:2+events20:28:463
179358999249312,2478cyclictest1847387-21kworker/2:1+events21:57:462
179358299249312,2478cyclictest1862408-21kworker/0:0+events22:52:150
179358999249210,2479cyclictest1788263-21kworker/2:2+events19:30:462
179359299249112,2476cyclictest1884479-21kworker/3:1+events23:55:293
179359299249112,2475cyclictest1873334-21kworker/3:1+events23:16:093
179358299249112,2475cyclictest1896079-21kworker/0:1+events00:29:160
179358299249112,2475cyclictest1874996-21kworker/0:2+events23:19:120
179359299249014,2472cyclictest1826116-21kworker/3:1+events21:11:213
17935829924909,2477cyclictest1801483-21kworker/0:2+events19:31:560
179358299249012,2474cyclictest1828920-21kworker/0:1+events21:00:180
179359299248912,2473cyclictest1845644-21kworker/3:0+events22:03:513
179359299248912,2473cyclictest1837624-21kworker/3:1+events21:29:343
179358299248912,2473cyclictest1881521-21kworker/0:0+events23:40:180
179358299248912,2473cyclictest1881521-21kworker/0:0+events23:40:170
179359299248810,2474cyclictest1845644-21kworker/3:0+events21:52:053
179359299248810,2474cyclictest1806614-21kworker/3:3+events19:58:223
179359299248810,2474cyclictest1806614-21kworker/3:3+events19:58:223
179359299248611,2472cyclictest1809828-21kworker/3:0+events20:02:083
179359299248511,2471cyclictest1894504-21kworker/3:1+events00:35:003
179358799248412,2468cyclictest1884573-21kworker/1:0+events23:49:031
17935879924836,2473cyclictest1873627-21kworker/1:1+events23:19:351
17935879924825,2474cyclictest1813949-21kworker/1:0+events20:26:281
17935879924824,2474cyclictest1891614-21kworker/1:0+events00:24:161
179358799248212,2467cyclictest1813949-21kworker/1:0+events20:23:021
179359299248112,2465cyclictest1850647-21kworker/3:1+events22:06:343
179359299248111,2466cyclictest1837624-21kworker/3:1+events21:31:313
179358799248012,2464cyclictest1879685-21kworker/1:0+events23:39:091
179358799248012,2464cyclictest1879685-21kworker/1:0+events23:39:081
179358299248012,2464cyclictest1876716-21kworker/0:0+events23:30:390
179358299248012,2464cyclictest1826322-21kworker/0:2+events21:05:360
179358299247912,2465cyclictest1897899-21kworker/0:0+events00:30:040
179358299247912,2463cyclictest1865509-21kworker/0:1+events22:56:520
179358299247812,2462cyclictest1844160-21kworker/0:0+events21:47:560
179359299247711,2464cyclictest1892648-21kworker/3:0+events00:21:583
179358799247712,2461cyclictest1894124-21kworker/1:1+events00:18:561
179358299247712,2462cyclictest1816196-21kworker/0:1+events20:23:260
179358799247612,2461cyclictest1800262-21kworker/1:2+events20:08:121
179358299247612,2460cyclictest1844160-21kworker/0:0+events21:44:100
179358799247512,2459cyclictest1852397-21kworker/1:1+events22:12:131
179358799247511,2460cyclictest1804714-21kworker/1:1+events19:44:321
179358299247512,2460cyclictest1834203-21kworker/0:2+events21:35:440
17935829924747,2463cyclictest1847390-21kworker/0:1+events22:25:280
179358299247312,2458cyclictest1896079-21kworker/0:1+events00:36:070
179359299247211,2459cyclictest1822452-21kworker/3:0+events20:45:013
17935879924707,2459cyclictest1871945-21kworker/1:0+events23:09:231
179359299246712,2452cyclictest1793376-21kworker/3:1+events19:13:383
179359299246212,2446cyclictest1819156-21kworker/3:0+events20:31:053
17935829924627,2451cyclictest1855383-21kworker/0:0+events22:21:160
179358299245911,2444cyclictest1803178-21kworker/0:1+events19:49:090
179358799245812,2442cyclictest1839048-21kworker/1:1+events21:38:011
179359299245712,2442cyclictest1798397-21kworker/3:2+events19:24:423
179359299245312,2437cyclictest1839283-21kworker/3:2+events21:39:353
179358299244912,2433cyclictest1857055-21kworker/0:2+events22:36:530
179358299244812,2432cyclictest1891053-21kworker/0:1+events00:14:000
179358299244611,2432cyclictest1862408-21kworker/0:0+events23:02:090
179358999244412,2428cyclictest1806514-21kworker/2:2+events19:54:302
179358799244412,2429cyclictest1868692-21kworker/1:2+events23:25:421
17935899924438,2431cyclictest1817704-21kworker/2:2+events20:27:362
179358999244112,2425cyclictest1900834-21kworker/2:1+events00:38:222
179358799243412,2419cyclictest1852397-21kworker/1:1+events22:16:451
179358299243012,2416cyclictest1835805-21kworker/0:0+events21:20:040
179358999242710,2414cyclictest1788263-21kworker/2:2+events19:21:162
179358999242710,2413cyclictest1851408-21kworker/2:0+events22:15:142
179358999242411,2409cyclictest1891624-21kworker/2:2+events00:18:092
179358299242212,2406cyclictest1834203-21kworker/0:2+events21:32:170
179358799241912,2405cyclictest1822514-21kworker/1:2+events20:51:331
179358299241911,2404cyclictest1820854-21kworker/0:1+events20:38:100
179358799241710,2403cyclictest1840692-21kworker/1:2+events21:33:261
179358799241312,2397cyclictest1822514-21kworker/1:2+events20:43:281
179358799241112,2395cyclictest1863578-21kworker/1:1+events22:45:421
179358799241111,2397cyclictest1788543-21kworker/1:0+events19:27:221
179358299240911,2395cyclictest1808370-21kworker/0:0+events19:59:080
179358299240911,2395cyclictest1808370-21kworker/0:0+events19:59:080
179358299240712,2391cyclictest1816196-21kworker/0:1+events20:19:340
179358299240610,2392cyclictest1892943-21kworker/0:2+events00:21:110
179358799240412,2389cyclictest1822514-21kworker/1:2+events20:39:421
17935829924048,2393cyclictest1847390-21kworker/0:1+events21:54:190
179358999240312,2388cyclictest1858584-21kworker/2:1+events22:30:462
179358999240311,2388cyclictest1817704-21kworker/2:2+events20:30:192
17935899924028,2391cyclictest1860528-21kworker/2:2+events22:45:202
179358799240212,2386cyclictest1788543-21kworker/1:0+events19:34:321
179358999240112,2386cyclictest1853665-21kworker/2:2+events22:24:432
179358999240110,2388cyclictest1822478-21kworker/2:1+events20:47:212
179358799240112,2385cyclictest1813949-21kworker/1:0+events20:32:101
179358799240110,2387cyclictest1875495-21kworker/1:0+events23:21:081
17935879923999,2388cyclictest1813949-21kworker/1:0+events20:16:081
179358799239912,2384cyclictest1827618-21kworker/1:1+events21:07:331
179358799239912,2383cyclictest1833929-21kworker/1:0+events21:13:171
179358799239812,2383cyclictest1858868-21kworker/1:2+events22:44:571
179358299239812,2383cyclictest1879923-21kworker/0:1+events23:53:380
179358299239812,2382cyclictest1803178-21kworker/0:1+events19:39:550
179358299239810,2385cyclictest1806471-21kworker/0:2+events20:41:340
179358299239712,2381cyclictest1844160-21kworker/0:0+events22:09:360
179358299239712,2381cyclictest1803178-21kworker/0:1+events19:53:220
179358999239612,2381cyclictest1847387-21kworker/2:1+events22:08:042
179358799239611,2382cyclictest1826002-21kworker/1:0+events21:01:241
179358799239610,2383cyclictest1833929-21kworker/1:0+events21:15:351
179358799239512,2379cyclictest1800262-21kworker/1:2+events19:54:071
179358799239412,2379cyclictest1891614-21kworker/1:0+events00:10:581
179358799239412,2378cyclictest1879685-21kworker/1:0+events23:32:131
179358299239412,2379cyclictest1847390-21kworker/0:1+events22:11:050
179358299239412,2378cyclictest1803178-21kworker/0:1+events19:41:250
179358299239411,2380cyclictest1855383-21kworker/0:0+events22:18:370
179358299239312,2377cyclictest1847390-21kworker/0:1+events22:00:240
179358299239310,2380cyclictest1847390-21kworker/0:1+events21:55:510
179358799239212,2377cyclictest1847477-21kworker/1:1+events21:56:161
179358799239212,2377cyclictest1839048-21kworker/1:1+events21:45:421
179358799239212,2377cyclictest1793055-21kworker/1:1+events19:15:311
179358799239212,2376cyclictest1839048-21kworker/1:1+events21:29:111
179358299239210,2379cyclictest1806471-21kworker/0:2+events20:32:330
179358299239112,2376cyclictest1824070-21kworker/0:0+events20:53:030
17935899923900,2386cyclictest1844196-21kworker/2:0+events21:52:492
179358799239012,2376cyclictest1827618-21kworker/1:1+events20:56:511
179358299239012,2375cyclictest1830643-21kworker/0:0+events21:13:400
179358299239012,2375cyclictest1793330-21kworker/0:1+events19:29:140
179358799238812,2372cyclictest1863578-21kworker/1:1+events22:54:561
179358299238812,2372cyclictest1865509-21kworker/0:1+events22:49:360
179358799238711,2373cyclictest1891614-21kworker/1:0+events00:39:531
179358299238712,2373cyclictest1884790-21kworker/0:0+events00:15:070
179358299238712,2371cyclictest1828920-21kworker/0:1+events20:57:360
179358299238612,2371cyclictest1876716-21kworker/0:0+events23:28:460
179358799238212,2367cyclictest1891614-21kworker/1:0+events00:32:441
17935899923780,2374cyclictest1851408-21kworker/2:0+events22:12:562
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