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2026-04-25 - 14:24

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 all highest latencies:
System rackfslot7s.osadl.org (updated Sat Apr 25, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
180814699417520,4148cyclictest1813140-21kworker/1:0+events19:25:191
180814699312716,3107cyclictest1861132-21kworker/1:1+events22:00:171
180814699293214,2913cyclictest1872193-21kworker/1:0+events22:30:141
180815299284314,2826cyclictest1838718-21kworker/2:2+events20:45:192
180814299280413,2785cyclictest1819486-21kworker/0:2+events19:45:140
180814699278613,2767cyclictest1829088-21kworker/1:1+events20:15:141
180814299277413,2757cyclictest1867334-21kworker/0:1+events22:19:090
18081469927358,2722cyclictest1824234-21kworker/1:2+events20:10:171
180814699271613,2698cyclictest1851464-21kworker/1:0+events21:35:121
180814699266710,2653cyclictest1822633-21kworker/1:1+events19:55:491
180815299262313,2606cyclictest1860449-21kworker/2:0+events22:03:412
180815299257512,2559cyclictest1825971-21kworker/2:1+events20:06:042
18081529925675,2559cyclictest1833703-21kworker/2:1+events20:27:192
180815299255912,2543cyclictest1865913-21kworker/2:1+events22:14:372
180815299255310,2539cyclictest1907193-21kworker/2:1+events00:20:132
180814699255213,2535cyclictest1865562-21kworker/1:0+events22:20:171
180814299254012,2525cyclictest1889814-21kworker/0:0+events23:27:090
180815699252611,2511cyclictest1841593-21kworker/3:2+events21:00:203
180815699252611,2511cyclictest1841593-21kworker/3:2+events21:00:203
180815699252511,2511cyclictest1835578-21kworker/3:2+events20:42:403
180814299250712,2492cyclictest1834110-21kworker/0:1+events21:06:490
180814299250712,2492cyclictest1834110-21kworker/0:1+events21:06:490
180814699250512,2490cyclictest1816649-21kworker/1:1+events19:39:491
180815699250312,2487cyclictest1895972-21kworker/3:0+events23:57:553
180815299249912,2484cyclictest1872164-21kworker/2:2+events22:32:502
180815699249712,2482cyclictest1868724-21kworker/3:2+events22:17:163
180815299249712,2483cyclictest1908827-21kworker/2:2+events00:35:022
180815299249612,2481cyclictest1860449-21kworker/2:0+events22:17:372
180815299249611,2478cyclictest1838718-21kworker/2:2+events21:08:432
180815299249611,2478cyclictest1838718-21kworker/2:2+events21:08:432
18081529924957,2484cyclictest1902272-21kworker/2:0+events00:11:282
180814299249512,2479cyclictest1894410-21kworker/0:0+events00:04:230
180815699249412,2478cyclictest1895972-21kworker/3:0+events00:06:163
180815299249412,2478cyclictest1854695-21kworker/2:2+events21:53:552
180814299249412,2479cyclictest1829151-21kworker/0:0+events20:17:470
180815699249312,2478cyclictest1857808-21kworker/3:0+events21:44:483
180815299249312,2478cyclictest1878570-21kworker/2:0+events22:48:532
180815299249212,2477cyclictest1886789-21kworker/2:2+events23:41:102
180815299249212,2477cyclictest1878570-21kworker/2:0+events22:51:312
180814299249212,2476cyclictest1834110-21kworker/0:1+events21:30:370
180815699249112,2475cyclictest1854514-21kworker/3:1+events21:31:453
180815699249110,2477cyclictest1872074-21kworker/3:2+events23:08:383
180814299248912,2474cyclictest1852918-21kworker/0:0+events21:28:440
180815699248512,2469cyclictest1857808-21kworker/3:0+events21:51:153
180815299248511,2471cyclictest1807763-21kworker/2:0+events19:25:432
180815299248411,2470cyclictest1825971-21kworker/2:1+events20:12:352
180814299248411,2470cyclictest1854546-21kworker/0:2+events21:47:060
180815699248212,2467cyclictest1881646-21kworker/3:0+events22:59:523
180815699248112,2466cyclictest1900745-21kworker/3:2+events00:34:163
180815299248112,2466cyclictest1851346-21kworker/2:1+events21:26:072
180814299248012,2465cyclictest1830775-21kworker/0:2+events20:25:490
180815299247912,2463cyclictest1851346-21kworker/2:1+events21:22:392
180814699247912,2465cyclictest1870590-21kworker/1:2+events22:25:161
180814299247512,2460cyclictest1872297-21kworker/0:3+events22:38:290
18081469924748,2462cyclictest1912053-21kworker/1:1+events00:35:241
180814699247311,2458cyclictest1822633-21kworker/1:1+events19:52:031
180814699246913,2452cyclictest1829088-21kworker/1:1+events20:41:521
18081429924689,2456cyclictest1848450-21kworker/0:2+events21:19:180
180814299246611,2452cyclictest1875069-21kworker/0:0+events22:48:080
180814299245410,2441cyclictest1857959-21kworker/0:0+events22:01:490
180814299245211,2437cyclictest1814716-21kworker/0:2+events19:33:490
180814699245112,2436cyclictest1840086-21kworker/1:2+events20:47:371
180814699245112,2435cyclictest1875397-21kworker/1:0+events22:53:001
180814699245110,2438cyclictest1875397-21kworker/1:0+events22:48:291
180814299245112,2436cyclictest1857959-21kworker/0:0+events22:13:040
180814699245012,2435cyclictest1907162-21kworker/1:0+events00:28:551
180814699245012,2435cyclictest1873795-21kworker/1:2+events22:44:191
180814299245011,2435cyclictest1907226-21kworker/0:1+events00:31:370
18081429924481,2443cyclictest1868996-21kworker/0:2+events22:24:290
180814299244812,2432cyclictest1891747-21kworker/0:2+events23:30:580
180814299244810,2435cyclictest1834110-21kworker/0:1+events20:31:310
180814299244312,2427cyclictest1903994-21kworker/0:1+events00:12:140
180814299244111,2427cyclictest1896031-21kworker/0:1+events23:44:170
18081569924404,2433cyclictest1872074-21kworker/3:2+events23:18:513
180814299244012,2425cyclictest1902365-21kworker/0:2+events00:17:330
18081429924347,2424cyclictest1857959-21kworker/0:0+events21:50:520
180815299242912,2413cyclictest1854695-21kworker/2:2+events21:39:492
180815699242612,2411cyclictest1841593-21kworker/3:2+events21:20:243
180815299242412,2408cyclictest1838718-21kworker/2:2+events20:50:182
180815299242412,2408cyclictest1838718-21kworker/2:2+events20:50:182
180815699242311,2408cyclictest1889603-21kworker/3:0+events23:28:173
180815699241913,2402cyclictest1837274-21kworker/3:1+events20:49:073
180814699241812,2403cyclictest1841682-21kworker/1:1+events20:57:401
180815699241412,2399cyclictest1841593-21kworker/3:2+events21:12:313
180815699241112,2396cyclictest1900745-21kworker/3:2+events00:20:373
18081569924107,2400cyclictest1892985-21kworker/3:1+events23:34:443
180815699240911,2395cyclictest1826004-21kworker/3:1+events20:11:263
180815299240812,2392cyclictest1851346-21kworker/2:1+events21:30:142
180814299240812,2393cyclictest1834110-21kworker/0:1+events20:51:440
180814299240812,2393cyclictest1834110-21kworker/0:1+events20:51:440
180815699240712,2391cyclictest1883504-21kworker/3:1+events23:12:483
180815299240711,2393cyclictest1821119-21kworker/2:0+events19:52:262
180815699240612,2390cyclictest1862645-21kworker/3:2+events22:08:583
180815699240612,2390cyclictest1826004-21kworker/3:1+events20:04:573
180815699240512,2389cyclictest1891355-21kworker/3:2+events23:45:253
180815699240512,2389cyclictest1857808-21kworker/3:0+events21:58:513
18081569924049,2391cyclictest1833940-21kworker/3:0+events20:37:373
180815699240212,2386cyclictest1841593-21kworker/3:2+events21:07:343
180815699240212,2386cyclictest1841593-21kworker/3:2+events21:07:343
180815699240210,2389cyclictest1841593-21kworker/3:2+events21:17:003
180815699240012,2385cyclictest1865886-21kworker/3:0+events22:21:473
180814699240012,2384cyclictest1896154-21kworker/1:0+events00:11:521
180815699239811,2384cyclictest1814476-21kworker/3:2+events19:30:413
180815299239412,2380cyclictest1908827-21kworker/2:2+events00:30:032
180814699239411,2381cyclictest1896154-21kworker/1:0+events23:55:151
180814699239312,2378cyclictest1896154-21kworker/1:0+events23:50:191
180814699239012,2375cyclictest1829088-21kworker/1:1+events20:38:011
180814699238910,2375cyclictest1910423-21kworker/1:2+events00:33:111
180815699238812,2372cyclictest1856154-21kworker/3:2+events21:37:333
180814699238811,2373cyclictest1894499-21kworker/1:1+events23:43:531
180815699238711,2373cyclictest1889603-21kworker/3:0+events23:21:503
180814699238612,2370cyclictest1867244-21kworker/1:2+events22:16:291
180814699238612,2370cyclictest1814748-21kworker/1:2+events19:34:591
180814699238612,2368cyclictest1859506-21kworker/1:0+events21:54:391
180814699238512,2370cyclictest1905558-21kworker/1:1+events00:19:501
180814699238512,2370cyclictest1892865-21kworker/1:2+events23:33:341
180814699238512,2370cyclictest1859506-21kworker/1:0+events21:56:561
180814699238512,2370cyclictest1854668-21kworker/1:1+events21:42:061
180814699238512,2369cyclictest1851464-21kworker/1:0+events21:26:301
180814699238511,2371cyclictest1892865-21kworker/1:2+events23:39:381
180814299238510,2372cyclictest1840054-21kworker/0:0+events20:49:300
180814699238314,2366cyclictest1840086-21kworker/1:2+events20:54:411
180814699238314,2366cyclictest1840086-21kworker/1:2+events20:54:411
180814699238212,2366cyclictest1832371-21kworker/1:0+events20:28:281
180814299238111,2367cyclictest1888168-21kworker/0:1+events23:21:270
180815299237911,2365cyclictest1860449-21kworker/2:0+events22:39:402
18081569923756,2365cyclictest1819754-21kworker/3:2+events19:48:163
180814699237412,2359cyclictest1846880-21kworker/1:1+events21:14:021
180814699237412,2358cyclictest1885021-21kworker/1:0+events23:11:161
180815699237112,2356cyclictest1908883-21kworker/3:0+events00:27:223
180814299236010,2346cyclictest1805039-21kworker/0:1+events19:39:040
180814699235512,2339cyclictest1819457-21kworker/1:2+events19:45:591
180814699235311,2339cyclictest1865562-21kworker/1:0+events22:08:121
180815299234912,2334cyclictest1829058-21kworker/2:2+events20:21:362
180815299234810,2334cyclictest1838718-21kworker/2:2+events20:56:332
180814699234811,2334cyclictest1881765-21kworker/1:2+events23:04:471
180815699234211,2328cyclictest1841593-21kworker/3:2+events20:53:583
180815699234211,2328cyclictest1841593-21kworker/3:2+events20:53:583
180814699233712,2322cyclictest1857898-21kworker/1:2+events21:46:211
180814699233711,2322cyclictest1829088-21kworker/1:1+events20:34:131
180815299233611,2321cyclictest1845307-21kworker/2:0+events21:17:222
180814299233312,2318cyclictest1834110-21kworker/0:1+events20:39:330
180815299233011,2316cyclictest1883534-21kworker/2:0+events23:14:182
180814699233011,2315cyclictest1802826-21kworker/1:1+events19:24:341
180815299232912,2313cyclictest1886789-21kworker/2:2+events23:25:152
180815299232812,2314cyclictest1860449-21kworker/2:0+events21:57:422
180815299232711,2312cyclictest1816561-21kworker/2:2+events19:36:502
180815299232612,2311cyclictest1818298-21kworker/2:1+events19:41:472
180815299232312,2308cyclictest1835488-21kworker/2:0+events20:39:092
180815699231911,2304cyclictest1873706-21kworker/3:1+events22:38:063
180814299231911,2305cyclictest1870620-21kworker/0:0+events22:26:240
180815299231212,2297cyclictest1829058-21kworker/2:2+events20:33:502
180815299231210,2299cyclictest1897607-21kworker/2:1+events23:55:382
180814299231212,2296cyclictest1824352-21kworker/0:2+events20:02:150
180814299231112,2295cyclictest1878685-21kworker/0:2+events23:13:110
180814299229710,2284cyclictest1878685-21kworker/0:2+events23:01:210
180815299228811,2274cyclictest1873827-21kworker/2:1+events23:00:382
18081529922849,2272cyclictest1852947-21kworker/2:0+events21:41:442
180815299228210,2268cyclictest1889728-21kworker/2:0+events23:23:212
180814299228212,2267cyclictest1913325-21kworker/0:0+events00:38:010
180814299227511,2261cyclictest1848450-21kworker/0:2+events21:24:120
180815299227410,2261cyclictest1807763-21kworker/2:0+events19:14:402
180815299226711,2253cyclictest1885138-21kworker/2:1+events23:19:572
180814299226410,2251cyclictest1834110-21kworker/0:1+events21:14:230
180815299226310,2249cyclictest1807763-21kworker/2:0+events19:24:112
180814299226011,2246cyclictest1827334-21kworker/0:1+events20:07:370
180815299225610,2242cyclictest1870470-21kworker/2:1+events22:23:202
180814299225010,2237cyclictest1857959-21kworker/0:0+events22:08:360
180814299224911,2234cyclictest1907226-21kworker/0:1+events00:27:460
180814299224811,2234cyclictest1834110-21kworker/0:1+events20:58:030
180814699224510,2232cyclictest1824234-21kworker/1:2+events20:04:351
18081429922439,2231cyclictest1872297-21kworker/0:3+events22:32:270
18081529922379,2224cyclictest1837090-21kworker/2:1+events20:41:292
180814699223712,2221cyclictest1898082-21kworker/1:1+events00:00:121
180815299223510,2222cyclictest1825971-21kworker/2:1+events20:04:122
180814699223411,2220cyclictest1905558-21kworker/1:1+events00:23:171
18081429922349,2222cyclictest1897754-21kworker/0:2+events23:51:260
180815299223312,2218cyclictest1846911-21kworker/2:1+events21:14:442
180814299223310,2220cyclictest1878685-21kworker/0:2+events23:06:200
18081429922328,2221cyclictest1857959-21kworker/0:0+events21:56:330
180814299223211,2218cyclictest1878685-21kworker/0:2+events22:51:100
180814299223211,2218cyclictest1827334-21kworker/0:1+events20:20:510
180814299223111,2217cyclictest1880670-21kworker/0:1+events22:56:270
180814299223111,2216cyclictest1877081-21kworker/0:1+events22:44:430
180814299223011,2216cyclictest1821181-21kworker/0:1+events19:52:480
180814299223010,2217cyclictest1817834-21kworker/0:0+events19:58:070
180814299222910,2216cyclictest1856304-21kworker/0:1+events21:39:010
180814299222910,2215cyclictest1819486-21kworker/0:2+events19:42:340
180814299222811,2214cyclictest1907226-21kworker/0:1+events00:21:470
180814299222811,2214cyclictest1834110-21kworker/0:1+events21:03:450
180814299222811,2214cyclictest1834110-21kworker/0:1+events21:03:450
180814299222710,2214cyclictest1854546-21kworker/0:2+events21:44:250
180814299222610,2213cyclictest1878685-21kworker/0:2+events23:18:080
18081429922259,2213cyclictest1894410-21kworker/0:0+events23:37:460
180814299222510,2211cyclictest1811336-21kworker/0:0+events19:26:040
18081429922249,2212cyclictest1827334-21kworker/0:1+events20:13:450
180815699222311,2209cyclictest1895972-21kworker/3:0+events00:04:003
18081569922228,2207cyclictest1877262-21kworker/3:1+events22:54:323
180815699222111,2207cyclictest1864288-21kworker/3:1+events22:13:493
180815699221911,2205cyclictest1818126-21kworker/3:1+events19:54:213
180815699221711,2203cyclictest1891355-21kworker/3:2+events23:51:043
180815699221011,2196cyclictest1801390-21kworker/3:0+events19:21:073
180815699220811,2194cyclictest1818126-21kworker/3:1+events19:44:513
18081529922039,2187cyclictest1812992-21kworker/2:1+events19:31:292
180814299219010,2177cyclictest1902365-21kworker/0:2+events00:07:460
180815699218610,2173cyclictest1841593-21kworker/3:2+events21:25:233
180815699218511,2171cyclictest1865886-21kworker/3:0+events22:27:543
18081469921859,2173cyclictest1846880-21kworker/1:1+events21:19:401
180815699218411,2169cyclictest1824203-21kworker/3:2+events19:59:153
180815699218311,2169cyclictest1895972-21kworker/3:0+events23:44:393
180815699218311,2169cyclictest1801390-21kworker/3:0+events19:39:283
180814699218310,2171cyclictest1861132-21kworker/1:1+events22:10:261
180814699218110,2168cyclictest1891146-21kworker/1:1+events23:26:451
18081569921808,2169cyclictest1843507-21kworker/3:1+events20:58:253
180815699218010,2167cyclictest1877262-21kworker/3:1+events22:47:003
180815699217911,2165cyclictest1857808-21kworker/3:0+events21:47:513
18081469921799,2166cyclictest1827456-21kworker/1:0+events20:08:231
180814699217910,2166cyclictest1868935-21kworker/1:1+events22:36:131
180815699217811,2164cyclictest1907099-21kworker/3:1+events00:19:293
180815699217811,2164cyclictest1833940-21kworker/3:0+events20:34:583
180815699217810,2164cyclictest1801390-21kworker/3:0+events19:28:473
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