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2026-06-17 - 21:05

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 376 highest latencies:
System rackfslot7s.osadl.org (updated Wed Jun 17, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
178090199340815,3389cyclictest1883807-21kworker/0:1+events00:35:020
178090999328014,3261cyclictest1857885-21kworker/2:2+events23:40:172
178090499310714,3088cyclictest1843401-21kworker/1:0+events22:30:121
178091199302014,3003cyclictest1831270-21kworker/3:1+events21:55:183
178090499291514,2898cyclictest1871799-21kworker/1:1+events23:55:001
178090499291514,2898cyclictest1871799-21kworker/1:1+events23:55:001
178091199287114,2853cyclictest1782205-21kworker/3:0+events19:15:173
178090199284313,2826cyclictest1867070-21kworker/0:0+events23:59:590
178090199284313,2826cyclictest1867070-21kworker/0:0+events00:00:000
178091199283414,2817cyclictest1831270-21kworker/3:1+events21:50:023
178090999282013,2803cyclictest1785690-21kworker/2:1+events19:45:172
178091199281413,2797cyclictest1862269-21kworker/3:0+events23:35:213
178091199280513,2788cyclictest1846152-21kworker/3:2+events23:00:213
178091199279913,2781cyclictest1804687-21kworker/3:1+events20:30:123
178091199276012,2744cyclictest1870201-21kworker/3:0+events00:03:483
17809019927592,2753cyclictest1792207-21kworker/0:0+events19:50:180
178091199275411,2740cyclictest1804687-21kworker/3:1+events20:42:483
178090999274915,2731cyclictest1880278-21kworker/2:2+events00:34:182
178090199274513,2728cyclictest1830421-21kworker/0:1+events22:00:140
178091199274212,2728cyclictest1831270-21kworker/3:1+events22:20:033
178091199274212,2728cyclictest1831270-21kworker/3:1+events22:20:033
178090199273010,2716cyclictest1876843-21kworker/0:1+events00:10:170
178090499270513,2688cyclictest1817724-21kworker/1:2+events21:05:141
178090999269010,2676cyclictest1820802-21kworker/2:1+events21:30:152
178090199267813,2660cyclictest1798310-21kworker/0:1+events20:15:200
178090199266513,2648cyclictest1825451-21kworker/0:2+events21:48:280
178090199265513,2638cyclictest1871532-21kworker/0:2+events00:04:580
178090499264213,2626cyclictest1774067-21kworker/1:0+events20:03:331
178090499262613,2610cyclictest1799974-21kworker/1:1+events20:35:121
178090199257813,2563cyclictest1852788-21kworker/0:0+events23:01:520
178090199256412,2550cyclictest1841418-21kworker/0:2+events22:25:010
178090199255812,2542cyclictest1799913-21kworker/0:0+events20:08:080
178090999254812,2532cyclictest1844402-21kworker/2:2+events22:41:152
17809049925486,2538cyclictest1858862-21kworker/1:2+events23:31:561
178090199254610,2531cyclictest1847604-21kworker/0:2+events22:50:270
178090999253510,2521cyclictest1827232-21kworker/2:2+events21:37:052
178090999253312,2517cyclictest1863657-21kworker/2:0+events23:30:472
178090999253212,2516cyclictest1871100-21kworker/2:0+events23:58:282
178090999253212,2516cyclictest1871100-21kworker/2:0+events23:58:272
178090199253212,2517cyclictest1878827-21kworker/0:2+events00:24:030
178090999252911,2514cyclictest1860431-21kworker/2:1+events23:22:282
178090999252911,2514cyclictest1806573-21kworker/2:1+events20:40:542
178090199252812,2512cyclictest1812324-21kworker/0:2+events20:59:320
178090999252212,2506cyclictest1793920-21kworker/2:2+events19:59:192
178091199252012,2504cyclictest1859016-21kworker/3:2+events23:18:423
178090999252011,2505cyclictest1819173-21kworker/2:2+events21:17:032
178091199251912,2504cyclictest1816010-21kworker/3:2+events21:18:333
178090999251912,2503cyclictest1816300-21kworker/2:0+events21:07:092
178091199251811,2504cyclictest1831270-21kworker/3:1+events22:37:473
178091199251412,2498cyclictest1782205-21kworker/3:0+events19:30:493
178090999251210,2500cyclictest1844402-21kworker/2:2+events22:45:072
178091199251112,2495cyclictest1800122-21kworker/3:0+events20:18:253
178091199251012,2496cyclictest1846152-21kworker/3:2+events22:47:473
178091199250812,2492cyclictest1831270-21kworker/3:1+events22:13:313
178091199250712,2491cyclictest1793573-21kworker/3:1+events19:52:343
178090999250711,2492cyclictest1844402-21kworker/2:2+events22:32:292
178091199250312,2487cyclictest1793573-21kworker/3:1+events20:06:133
178091199250211,2487cyclictest1780234-21kworker/3:1+events19:23:143
17809119924928,2481cyclictest1876997-21kworker/3:2+events00:21:023
178091199249011,2475cyclictest1831270-21kworker/3:1+events22:16:573
178090999248911,2475cyclictest1833478-21kworker/2:2+events22:00:582
178090999248712,2472cyclictest1825629-21kworker/2:0+events21:29:322
178090499248612,2470cyclictest1812837-21kworker/1:2+events20:56:111
17809049924858,2474cyclictest1817724-21kworker/1:2+events21:25:221
178090999248312,2469cyclictest1814591-21kworker/2:2+events20:55:032
178090999248312,2468cyclictest1846087-21kworker/2:1+events22:39:202
17809049924779,2465cyclictest1799974-21kworker/1:1+events20:13:281
17809099924739,2460cyclictest1796924-21kworker/2:1+events20:00:512
178090499247310,2460cyclictest1852879-21kworker/1:1+events23:05:171
178090999247212,2457cyclictest1806573-21kworker/2:1+events20:48:572
178090499247211,2457cyclictest1838295-21kworker/1:1+events22:11:351
17809049924718,2459cyclictest1873934-21kworker/1:0+events00:06:301
17809049924689,2455cyclictest1847633-21kworker/1:0+events22:45:291
178090499246812,2454cyclictest1870139-21kworker/1:2+events23:50:061
178090499246212,2446cyclictest1849670-21kworker/1:1+events22:44:441
178090499246112,2447cyclictest1868392-21kworker/1:0+events23:48:111
178090999246012,2444cyclictest1844402-21kworker/2:2+events22:26:532
178090999245812,2442cyclictest1856138-21kworker/2:0+events23:10:192
178090999245610,2443cyclictest1787286-21kworker/2:0+events19:32:002
178090999245512,2439cyclictest1880278-21kworker/2:2+events00:21:252
178090999245512,2439cyclictest1806573-21kworker/2:1+events20:38:592
178091199245211,2438cyclictest1804687-21kworker/3:1+events20:39:473
178090999245212,2437cyclictest1873424-21kworker/2:2+events00:09:312
178090999245212,2437cyclictest1852727-21kworker/2:1+events22:59:132
178090999245112,2435cyclictest1785690-21kworker/2:1+events19:41:552
178090999245110,2437cyclictest1785690-21kworker/2:1+events19:25:292
178091199245012,2435cyclictest1844550-21kworker/3:0+events22:29:283
178090999245012,2434cyclictest1880278-21kworker/2:2+events00:17:342
178090999245012,2434cyclictest1880278-21kworker/2:2+events00:17:332
178090999244912,2433cyclictest1804835-21kworker/2:0+events20:30:362
178090999244910,2436cyclictest1838115-21kworker/2:1+events22:11:132
178091199244812,2432cyclictest1878887-21kworker/3:0+events00:29:023
178090999244812,2433cyclictest1784036-21kworker/2:2+events19:24:432
178091199244712,2432cyclictest1878887-21kworker/3:0+events00:14:053
178090999244712,2432cyclictest1793920-21kworker/2:2+events20:25:372
178090199244712,2432cyclictest1803304-21kworker/0:0+events20:23:020
17809099924469,2433cyclictest1885270-21kworker/2:0+events00:37:172
178090999244612,2430cyclictest1838115-21kworker/2:1+events22:08:092
17809049924469,2433cyclictest1799974-21kworker/1:1+events20:32:061
178090499244612,2430cyclictest1866772-21kworker/1:1+events23:43:411
178090499244612,2430cyclictest1832544-21kworker/1:0+events21:52:171
178090199244612,2430cyclictest1817631-21kworker/0:1+events21:03:220
178090999244512,2429cyclictest1868658-21kworker/2:1+events23:45:532
178090999244512,2429cyclictest1857885-21kworker/2:2+events23:38:262
178090999244412,2429cyclictest1868658-21kworker/2:1+events23:50:282
178090999244412,2429cyclictest1863657-21kworker/2:0+events23:28:522
178090999244412,2428cyclictest1833478-21kworker/2:2+events21:54:552
178091199244312,2428cyclictest1883737-21kworker/3:2+events00:37:403
178090999244311,2430cyclictest1822410-21kworker/2:0+events21:20:042
178090999244310,2430cyclictest1829004-21kworker/2:0+events21:46:572
178090499244312,2428cyclictest1774067-21kworker/1:0+events19:51:481
178090499244312,2427cyclictest1828741-21kworker/1:0+events21:39:431
178090499244212,2427cyclictest1774067-21kworker/1:0+events19:14:331
178090499244111,2427cyclictest1832544-21kworker/1:0+events21:58:421
178090499244111,2426cyclictest1830532-21kworker/1:1+events21:47:211
178091199243910,2426cyclictest1782205-21kworker/3:0+events19:35:503
178090999243912,2424cyclictest1857885-21kworker/2:2+events23:18:182
178091199243812,2423cyclictest1793573-21kworker/3:1+events20:14:153
178091199243811,2423cyclictest1816010-21kworker/3:2+events20:58:463
178090499243812,2422cyclictest1851274-21kworker/1:2+events23:01:291
17809119924369,2424cyclictest1793573-21kworker/3:1+events19:49:073
178090499243611,2422cyclictest1774067-21kworker/1:0+events19:39:391
17809019924369,2423cyclictest1798310-21kworker/0:1+events20:34:250
178091199243412,2419cyclictest1865226-21kworker/3:2+events23:42:553
178091199243411,2419cyclictest1865226-21kworker/3:2+events23:56:573
178091199243411,2419cyclictest1865226-21kworker/3:2+events23:56:573
178091199243212,2416cyclictest1857376-21kworker/3:1+events23:28:293
178090199243212,2416cyclictest1841418-21kworker/0:2+events22:19:410
178090199243212,2416cyclictest1825451-21kworker/0:2+events21:34:260
178091199243112,2416cyclictest1813892-21kworker/3:1+events20:51:573
178090199243011,2415cyclictest1863892-21kworker/0:2+events23:34:110
178091199242911,2414cyclictest1857376-21kworker/3:1+events23:23:373
178090499242812,2413cyclictest1774067-21kworker/1:0+events19:32:461
178091199242712,2411cyclictest1819265-21kworker/3:0+events21:13:123
178091199242711,2412cyclictest1876997-21kworker/3:2+events00:09:533
178091199242711,2412cyclictest1828889-21kworker/3:2+events21:43:533
178091199242612,2411cyclictest1817664-21kworker/3:1+events21:04:073
178091199242512,2410cyclictest1795211-21kworker/3:2+events19:57:043
178091199242512,2409cyclictest1854740-21kworker/3:0+events23:06:503
178091199242412,2408cyclictest1831270-21kworker/3:1+events22:03:353
178091199242411,2409cyclictest1883737-21kworker/3:2+events00:30:573
178091199242311,2408cyclictest1827199-21kworker/3:0+events21:36:423
178090199242312,2407cyclictest1798310-21kworker/0:1+events20:03:080
178091199242211,2408cyclictest1793573-21kworker/3:1+events20:01:133
178090199242211,2408cyclictest1869929-21kworker/0:1+events23:46:170
178090199242211,2408cyclictest1817631-21kworker/0:1+events21:24:110
178090199242112,2405cyclictest1832023-21kworker/0:0+events21:51:100
178090199242111,2407cyclictest1833685-21kworker/0:2+events22:08:310
178091199242010,2407cyclictest1800122-21kworker/3:0+events20:22:143
178090199242011,2405cyclictest1839752-21kworker/0:0+events22:23:060
178090199242011,2405cyclictest1839752-21kworker/0:0+events22:23:050
178090199241612,2400cyclictest1798310-21kworker/0:1+events20:13:510
178090199241412,2398cyclictest1792207-21kworker/0:0+events19:56:180
17809049924138,2401cyclictest1819453-21kworker/1:0+events21:12:281
178090199241310,2399cyclictest1863892-21kworker/0:2+events23:39:310
178090199241212,2397cyclictest1830421-21kworker/0:1+events22:12:220
178090199241112,2397cyclictest1782323-21kworker/0:0+events19:30:040
17809019924108,2398cyclictest1867070-21kworker/0:0+events00:06:070
178090999240812,2394cyclictest1844402-21kworker/2:2+events22:50:042
178090499240811,2393cyclictest1826991-21kworker/1:1+events21:31:461
178090199240812,2392cyclictest1847604-21kworker/0:2+events22:48:080
178091199240712,2391cyclictest1831270-21kworker/3:1+events21:51:333
178090999240712,2393cyclictest1871100-21kworker/2:0+events00:00:462
178090199240512,2390cyclictest1798310-21kworker/0:1+events20:36:450
178091199240111,2386cyclictest1870201-21kworker/3:0+events23:52:213
178090499240112,2386cyclictest1834933-21kworker/1:1+events22:01:211
178090499239912,2384cyclictest1812837-21kworker/1:2+events20:52:451
178090499239912,2383cyclictest1817724-21kworker/1:2+events21:19:421
178091199239811,2385cyclictest1851125-21kworker/3:1+events22:55:483
17809049923958,2384cyclictest1799974-21kworker/1:1+events20:18:011
178090199239510,2381cyclictest1882099-21kworker/0:0+events00:30:100
178091199239311,2378cyclictest1823881-21kworker/3:0+events21:24:363
178090499239212,2377cyclictest1858862-21kworker/1:2+events23:37:171
178090499239112,2375cyclictest1838295-21kworker/1:1+events22:23:531
178090499239112,2375cyclictest1838295-21kworker/1:1+events22:23:531
178090199239112,2375cyclictest1833685-21kworker/0:2+events21:59:280
178090199239012,2376cyclictest1817631-21kworker/0:1+events21:25:450
178090499238910,2375cyclictest1873934-21kworker/1:0+events00:10:411
178090499238812,2372cyclictest1774067-21kworker/1:0+events19:28:551
178090499238712,2372cyclictest1847633-21kworker/1:0+events22:38:571
178090499238612,2370cyclictest1797877-21kworker/1:2+events20:07:441
178090499238610,2372cyclictest1873934-21kworker/1:0+events00:01:101
17809099923849,2371cyclictest1831817-21kworker/2:1+events21:57:142
178090499238412,2369cyclictest1861056-21kworker/1:1+events23:22:521
178090499238412,2368cyclictest1774067-21kworker/1:0+events19:42:391
178090499238411,2369cyclictest1873934-21kworker/1:0+events00:17:571
178090499238411,2369cyclictest1873934-21kworker/1:0+events00:17:571
178090199238112,2366cyclictest1847604-21kworker/0:2+events22:56:120
178091199238012,2365cyclictest1820983-21kworker/3:1+events21:33:403
178090199237911,2364cyclictest1817631-21kworker/0:1+events21:11:190
178090199237812,2362cyclictest1852788-21kworker/0:0+events23:19:050
178090499237711,2362cyclictest1836580-21kworker/1:2+events22:18:531
178090499237611,2361cyclictest1822228-21kworker/1:1+events21:20:481
178090999237510,2361cyclictest1841666-21kworker/2:1+events22:24:392
178090999237510,2361cyclictest1841666-21kworker/2:1+events22:24:382
178090499237512,2359cyclictest1852879-21kworker/1:1+events22:59:591
178090199236912,2354cyclictest1858924-21kworker/0:1+events23:13:230
178090999236812,2353cyclictest1876813-21kworker/2:1+events00:11:022
178091199236710,2353cyclictest1782205-21kworker/3:0+events19:40:483
178090199236712,2353cyclictest1862298-21kworker/0:1+events23:25:080
178090199236712,2351cyclictest1812324-21kworker/0:2+events21:06:480
178090499236512,2349cyclictest1858862-21kworker/1:2+events23:11:521
178090199236311,2348cyclictest1792207-21kworker/0:0+events19:47:340
178090499236212,2346cyclictest1836580-21kworker/1:2+events22:08:541
178090199235712,2343cyclictest1788866-21kworker/0:2+events19:41:340
178090199235712,2341cyclictest1817631-21kworker/0:1+events21:19:200
178090499235512,2339cyclictest1858862-21kworker/1:2+events23:30:001
178090199235512,2339cyclictest1827079-21kworker/0:1+events21:35:350
178091199235412,2338cyclictest1811549-21kworker/3:3+events20:49:413
178090499235411,2339cyclictest1873934-21kworker/1:0+events00:27:511
178090199235312,2337cyclictest1825451-21kworker/0:2+events21:41:360
178090499235112,2335cyclictest1774067-21kworker/1:0+events19:47:101
178090499235011,2336cyclictest1838295-21kworker/1:1+events22:25:221
178090499235010,2337cyclictest1847633-21kworker/1:0+events22:53:301
178090499234811,2333cyclictest1799974-21kworker/1:1+events20:29:501
178091199234510,2331cyclictest1865226-21kworker/3:2+events23:34:363
178090199234312,2327cyclictest1798310-21kworker/0:1+events20:45:280
178090199234112,2325cyclictest1882099-21kworker/0:0+events00:27:060
17809119923406,2330cyclictest1838054-21kworker/3:2+events22:07:223
178090999233811,2324cyclictest1793920-21kworker/2:2+events20:14:582
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