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2026-04-16 - 15:18

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 Thu Apr 16, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
170220699389119,3863cyclictest1793737-21kworker/3:1+events23:55:113
170219899321616,3193cyclictest1755060-21kworker/1:2+events21:55:141
170219499291313,2897cyclictest1785997-21kworker/0:1+events23:45:150
170220699277712,2761cyclictest1745679-21kworker/3:2+events21:25:173
170219899277213,2756cyclictest1744406-21kworker/1:2+events21:30:131
170219899277213,2756cyclictest1744406-21kworker/1:2+events21:30:131
170220299276813,2750cyclictest1774201-21kworker/2:2+events22:55:152
170219499275112,2736cyclictest1795758-21kworker/0:3+events00:06:140
170219499275013,2733cyclictest1719770-21kworker/0:1+events20:15:120
17022029927205,2711cyclictest1724677-21kworker/2:2+events20:20:482
170219499271613,2699cyclictest1779291-21kworker/0:1+events23:14:200
170220299268312,2667cyclictest1734586-21kworker/2:0+events20:50:112
170220299265913,2641cyclictest1736187-21kworker/2:1+events21:15:182
170219499265313,2636cyclictest1705502-21kworker/0:0+events19:40:180
170220699263812,2623cyclictest1721342-21kworker/3:1+events20:10:163
170220299263613,2619cyclictest1697118-21kworker/2:1+events19:20:162
170219899262413,2607cyclictest1731269-21kworker/1:0+events20:41:231
170220299259012,2574cyclictest1764693-21kworker/2:2+events22:30:202
17021989925810,2577cyclictest1719564-21kworker/1:2+events20:04:351
17021989925806,2570cyclictest1800632-21kworker/1:0+events00:33:181
170219899257912,2563cyclictest1782466-21kworker/1:0+events23:23:101
170219899257812,2562cyclictest1779359-21kworker/1:3+events23:12:251
170220299257614,2558cyclictest1745709-21kworker/2:1+events21:29:522
170220299257511,2560cyclictest1792529-21kworker/2:1+events00:21:482
170220299257312,2558cyclictest1768118-21kworker/2:1+events22:37:192
170220299257112,2555cyclictest1768118-21kworker/2:1+events22:40:172
170220299257012,2555cyclictest1764693-21kworker/2:2+events22:22:192
170220299256212,2547cyclictest1803782-21kworker/2:2+events00:29:052
170219499254010,2526cyclictest1725900-21kworker/0:2+events20:33:000
170220699253812,2523cyclictest1705590-21kworker/3:2+events19:34:133
170220299253811,2523cyclictest1782435-21kworker/2:1+events23:22:482
170220299253712,2522cyclictest1740662-21kworker/2:0+events21:10:412
170220699253412,2518cyclictest1789266-21kworker/3:1+events23:42:583
170220699253412,2518cyclictest1748620-21kworker/3:0+events21:41:103
170220699253412,2518cyclictest1707258-21kworker/3:1+events19:25:113
170220699253412,2518cyclictest1707258-21kworker/3:1+events19:25:113
170220699253411,2521cyclictest1781039-21kworker/3:2+events23:50:133
170220699253312,2519cyclictest1800421-21kworker/3:0+events00:20:183
170220699252912,2514cyclictest1737582-21kworker/3:1+events21:07:433
170220699252912,2513cyclictest1713375-21kworker/3:0+events19:44:553
170219899252912,2514cyclictest1771375-21kworker/1:0+events23:02:061
170220699252512,2509cyclictest1763275-21kworker/3:1+events22:18:503
170220299252312,2507cyclictest1790884-21kworker/2:0+events23:50:372
170219499252112,2505cyclictest1769602-21kworker/0:0+events22:50:140
170220299251610,2502cyclictest1737862-21kworker/2:2+events21:00:312
170220699251312,2497cyclictest1787512-21kworker/3:0+events23:33:323
170220699251312,2497cyclictest1787512-21kworker/3:0+events23:33:323
170220299251112,2495cyclictest1705264-21kworker/2:0+events19:19:092
170220699250912,2493cyclictest1703549-21kworker/3:0+events19:23:403
170220299250511,2491cyclictest1782435-21kworker/2:1+events23:25:272
170220299250312,2488cyclictest1792529-21kworker/2:1+events00:19:542
170220299250212,2486cyclictest1736187-21kworker/2:1+events20:57:042
17021989925010,2498cyclictest1795552-21kworker/1:1+events00:10:261
170219899249812,2482cyclictest1751825-21kworker/1:0+events21:49:111
170219899249812,2482cyclictest1722768-21kworker/1:0+events20:23:051
17022029924979,2485cyclictest1807061-21kworker/2:0+events00:38:592
170220299249712,2482cyclictest1724677-21kworker/2:2+events20:37:342
170219899249712,2481cyclictest1763332-21kworker/1:0+events22:35:231
170219499249712,2483cyclictest1758438-21kworker/0:0+events22:05:130
170220299249612,2480cyclictest1744084-21kworker/2:0+events21:21:472
170219499249612,2481cyclictest1747137-21kworker/0:0+events21:49:340
170220699249511,2480cyclictest1721342-21kworker/3:1+events20:18:113
170219899249512,2479cyclictest1779359-21kworker/1:3+events23:33:101
170219899249512,2479cyclictest1779359-21kworker/1:3+events23:33:091
17021949924959,2483cyclictest1795758-21kworker/0:3+events00:02:240
170219899249412,2478cyclictest1731269-21kworker/1:0+events20:45:371
170219499249312,2477cyclictest1745498-21kworker/0:1+events21:37:260
170219899249212,2477cyclictest1771375-21kworker/1:0+events23:06:421
170219899249212,2476cyclictest1744406-21kworker/1:2+events21:41:551
170219899249212,2476cyclictest1707031-21kworker/1:1+events19:36:551
17022029924918,2479cyclictest1768118-21kworker/2:1+events22:46:002
170220299249112,2476cyclictest1751854-21kworker/2:0+events21:53:432
170220299249112,2475cyclictest1751854-21kworker/2:0+events21:48:482
170220699249012,2474cyclictest1705590-21kworker/3:2+events19:36:313
170219899248711,2472cyclictest1758750-21kworker/1:2+events22:17:191
170219899248612,2471cyclictest1771375-21kworker/1:0+events22:59:241
170220299248512,2469cyclictest1780830-21kworker/2:2+events23:15:532
170220299248512,2469cyclictest1769838-21kworker/2:0+events22:54:292
170220299248410,2471cyclictest1792529-21kworker/2:1+events23:55:352
170219899248412,2469cyclictest1727653-21kworker/1:2+events20:29:581
170220299248311,2469cyclictest1748534-21kworker/2:0+events21:31:192
170220299248311,2469cyclictest1748534-21kworker/2:0+events21:31:192
170219899248312,2468cyclictest1787697-21kworker/1:0+events00:03:341
170219899248312,2467cyclictest1734289-21kworker/1:1+events20:55:551
17022029924828,2471cyclictest1792529-21kworker/2:1+events00:30:132
170220299248212,2466cyclictest1774201-21kworker/2:2+events23:01:452
170219899248212,2466cyclictest1761610-21kworker/1:1+events22:23:301
170220299248012,2465cyclictest1753549-21kworker/2:1+events21:58:422
170220299247912,2465cyclictest1748534-21kworker/2:0+events21:35:102
170220299247912,2463cyclictest1718091-21kworker/2:1+events19:58:572
170220699247812,2463cyclictest1772888-21kworker/3:1+events23:09:213
170220299247812,2463cyclictest1778933-21kworker/2:0+events23:08:582
170220299247812,2463cyclictest1751854-21kworker/2:0+events22:04:512
170219899247812,2463cyclictest1751825-21kworker/1:0+events21:51:511
170220299247312,2458cyclictest1785967-21kworker/2:2+events23:31:142
170220299247312,2458cyclictest1785967-21kworker/2:2+events23:31:142
170220299247212,2457cyclictest1792529-21kworker/2:1+events00:12:422
170220299247212,2456cyclictest1711898-21kworker/2:0+events19:41:502
170219499247211,2457cyclictest1785997-21kworker/0:1+events23:41:030
170220699247112,2455cyclictest1733310-21kworker/3:0+events20:46:243
170220699246912,2454cyclictest1800421-21kworker/3:0+events00:13:503
170220299246011,2445cyclictest1718091-21kworker/2:1+events20:00:472
17022069924578,2446cyclictest1717946-21kworker/3:2+events19:56:413
170220699245712,2442cyclictest1737582-21kworker/3:1+events21:01:183
170220299245712,2442cyclictest1778933-21kworker/2:0+events23:11:152
170220299245412,2438cyclictest1796988-21kworker/2:0+events00:03:572
170220699245212,2437cyclictest1760006-21kworker/3:0+events22:12:493
170219899245112,2436cyclictest1763332-21kworker/1:0+events22:33:261
170219499245112,2435cyclictest1767933-21kworker/0:2+events22:38:230
170220699244912,2433cyclictest1748620-21kworker/3:0+events21:45:213
170220699244912,2433cyclictest1717946-21kworker/3:2+events20:32:153
170219499244912,2433cyclictest1740635-21kworker/0:2+events21:11:050
170220699244711,2432cyclictest1748620-21kworker/3:0+events22:00:163
170220699244612,2432cyclictest1744024-21kworker/3:1+events21:20:413
170220699244612,2430cyclictest1772888-21kworker/3:1+events23:01:213
17021949924464,2439cyclictest1795371-21kworker/0:1+events23:57:300
170220699244511,2431cyclictest1800421-21kworker/3:0+events00:26:233
170220699244511,2431cyclictest1772888-21kworker/3:1+events22:50:383
170220699244510,2431cyclictest1800421-21kworker/3:0+events00:17:383
17022069924448,2432cyclictest1756715-21kworker/3:1+events21:58:193
170220699244412,2428cyclictest1792133-21kworker/3:0+events23:46:233
170220699244412,2428cyclictest1748620-21kworker/3:0+events21:39:403
170220699244410,2431cyclictest1781039-21kworker/3:2+events23:25:523
170220699244312,2428cyclictest1805391-21kworker/3:2+events00:34:503
170220699244012,2425cyclictest1748620-21kworker/3:0+events21:50:193
170220699243912,2423cyclictest1733310-21kworker/3:0+events20:57:263
170220299243912,2424cyclictest1713591-21kworker/2:1+events19:45:392
170219899243911,2424cyclictest1716743-21kworker/1:1+events20:16:431
170219499243912,2424cyclictest1714923-21kworker/0:2+events20:00:240
170219499243912,2423cyclictest1766298-21kworker/0:1+events22:32:150
170220699243710,2424cyclictest1764964-21kworker/3:0+events22:38:463
170220699243412,2419cyclictest1764964-21kworker/3:0+events22:44:273
17022029924349,2422cyclictest1736187-21kworker/2:1+events21:08:052
170219899242612,2410cyclictest1800632-21kworker/1:0+events00:35:141
170219499242512,2409cyclictest1758438-21kworker/0:0+events22:12:020
170219499242311,2408cyclictest1800451-21kworker/0:1+events00:25:380
170219499242211,2407cyclictest1727712-21kworker/0:1+events20:44:270
170219499242210,2409cyclictest1782403-21kworker/0:2+events23:24:210
170219899241012,2394cyclictest1713795-21kworker/1:0+events19:57:021
170219899241010,2396cyclictest1707031-21kworker/1:1+events19:28:111
170219899241010,2396cyclictest1707031-21kworker/1:1+events19:28:111
170220699240810,2394cyclictest1717946-21kworker/3:2+events20:21:573
170219899240611,2391cyclictest1761610-21kworker/1:1+events22:13:111
170219899240512,2389cyclictest1742529-21kworker/1:1+events21:20:191
170219499240411,2389cyclictest1721404-21kworker/0:2+events20:11:240
170219499240312,2388cyclictest1732629-21kworker/0:2+events20:54:240
170219499240212,2386cyclictest1777688-21kworker/0:0+events23:28:100
170220299240111,2386cyclictest1723004-21kworker/2:1+events20:16:192
170219499240111,2386cyclictest1753609-21kworker/0:1+events21:51:270
170219499240012,2384cyclictest1705502-21kworker/0:0+events19:49:500
17022029923999,2386cyclictest1719798-21kworker/2:2+events20:09:532
170219499239912,2383cyclictest1747137-21kworker/0:0+events21:32:060
170219499239912,2383cyclictest1747137-21kworker/0:0+events21:32:060
17021949923988,2386cyclictest1773696-21kworker/0:1+events22:55:380
170219499239812,2383cyclictest1723076-21kworker/0:0+events20:21:120
170219499239812,2383cyclictest1714923-21kworker/0:2+events19:54:010
170219499239712,2383cyclictest1806692-21kworker/0:0+events00:35:360
170219499239712,2383cyclictest1736157-21kworker/0:1+events21:00:080
170219499239711,2383cyclictest1767933-21kworker/0:2+events22:47:310
170219499239711,2383cyclictest1760067-21kworker/0:2+events22:19:370
170219499239512,2380cyclictest1773696-21kworker/0:1+events23:00:340
170219499239511,2381cyclictest1785997-21kworker/0:1+events23:35:270
170219499239510,2381cyclictest1800451-21kworker/0:1+events00:33:430
170219499239412,2379cyclictest1766298-21kworker/0:1+events22:26:550
170219499239410,2381cyclictest1800451-21kworker/0:1+events00:13:060
170219499239410,2381cyclictest1753609-21kworker/0:1+events22:02:100
170219899239110,2377cyclictest1727653-21kworker/1:2+events20:34:111
170219899238912,2374cyclictest1771375-21kworker/1:0+events22:51:021
17022029923888,2376cyclictest1757172-21kworker/2:2+events22:08:352
170219899238612,2371cyclictest1802220-21kworker/1:2+events00:24:511
170220299237411,2360cyclictest1723004-21kworker/2:1+events20:28:492
170220699237312,2358cyclictest1781039-21kworker/3:2+events23:14:433
170220299236710,2354cyclictest1789237-21kworker/2:2+events23:39:562
170220699236510,2351cyclictest1795400-21kworker/3:2+events00:07:233
17021949923608,2349cyclictest1725900-21kworker/0:2+events20:29:130
170220699235412,2339cyclictest1725959-21kworker/3:0+events20:26:313
170219899235011,2336cyclictest1802220-21kworker/1:2+events00:27:321
170219899234811,2333cyclictest1757048-21kworker/1:0+events22:05:571
170220299233910,2326cyclictest1798651-21kworker/2:2+events00:09:192
170219899233911,2324cyclictest1769716-21kworker/1:1+events22:46:241
170219899233312,2318cyclictest1739240-21kworker/1:0+events21:08:271
170219499233312,2317cyclictest1798528-21kworker/0:0+events00:15:210
17021949923248,2313cyclictest1732629-21kworker/0:2+events20:56:180
170220299231712,2302cyclictest1760038-21kworker/2:1+events22:13:342
170220299231612,2300cyclictest1724677-21kworker/2:2+events20:34:342
170219899231510,2301cyclictest1779359-21kworker/1:3+events23:17:021
170219899231410,2300cyclictest1707031-21kworker/1:1+events19:24:031
170220299230712,2292cyclictest1789237-21kworker/2:2+events23:49:272
170220699230611,2292cyclictest1771104-21kworker/3:2+events22:56:473
170219899230411,2290cyclictest1786030-21kworker/1:1+events23:43:191
170219899230411,2289cyclictest1713795-21kworker/1:0+events19:46:271
17021989923039,2291cyclictest1744406-21kworker/1:2+events21:28:211
170219899229911,2284cyclictest1763332-21kworker/1:0+events22:26:101
170219499229512,2280cyclictest1760067-21kworker/0:2+events22:24:170
170219899229211,2277cyclictest1800632-21kworker/1:0+events00:15:451
170220699228912,2273cyclictest1761640-21kworker/3:2+events22:21:333
170220699228211,2267cyclictest1731121-21kworker/3:2+events20:40:153
17021989922760,2273cyclictest1779359-21kworker/1:3+events23:28:341
170220699227511,2260cyclictest1772888-21kworker/3:1+events23:17:233
170220299227510,2262cyclictest1711898-21kworker/2:0+events19:52:522
170219499227512,2260cyclictest1718123-21kworker/0:0+events19:59:190
170220299227411,2259cyclictest1782435-21kworker/2:1+events23:40:412
170220299227410,2262cyclictest1708604-21kworker/2:1+events19:30:032
170220299227112,2257cyclictest1764693-21kworker/2:2+events22:25:032
170220299227011,2257cyclictest1742408-21kworker/2:2+events21:42:192
170220299227011,2256cyclictest1711898-21kworker/2:0+events20:10:382
170219499226812,2252cyclictest1732629-21kworker/0:2+events20:49:050
170219899226710,2254cyclictest1750162-21kworker/1:1+events21:37:021
170220699226611,2252cyclictest1792133-21kworker/3:0+events00:02:023
170219899226511,2251cyclictest1793823-21kworker/1:2+events23:53:391
170219899226511,2251cyclictest1719564-21kworker/1:2+events20:08:001
170219499226511,2251cyclictest1707150-21kworker/0:1+events19:33:280
170220699226411,2249cyclictest1756715-21kworker/3:1+events22:07:053
170220299226411,2250cyclictest1706941-21kworker/2:2+events19:25:592
170220299226411,2250cyclictest1706941-21kworker/2:2+events19:25:592
170220299226410,2251cyclictest1732658-21kworker/2:1+events20:44:512
170219899226311,2249cyclictest1716743-21kworker/1:1+events20:11:471
170219899226211,2248cyclictest1739240-21kworker/1:0+events21:03:561
170220699226111,2246cyclictest1806994-21kworker/3:0+events00:38:373
17022029922567,2246cyclictest1710206-21kworker/2:2+events19:35:462
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