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2026-04-09 - 08:31

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 Thu Apr 09, 2026 00:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255609199380318,3777cyclictest2601368-21kworker/2:0+events21:40:012
255608699281414,2797cyclictest2636678-21kworker/0:0+events23:40:140
255608699274712,2731cyclictest2649109-21kworker/0:0+events00:05:170
255609199272613,2708cyclictest2586852-21kworker/2:0+events21:05:102
255609199272613,2708cyclictest2586852-21kworker/2:0+events21:05:102
255609199270013,2683cyclictest2568922-21kworker/2:2+events20:06:072
255609199268713,2670cyclictest2601368-21kworker/2:0+events21:50:112
255609199263913,2624cyclictest2628727-21kworker/2:0+events23:15:352
255609199263712,2621cyclictest2577193-21kworker/2:3+events20:25:182
255609499261813,2602cyclictest2612376-21kworker/3:1+events22:15:143
255609199259811,2583cyclictest2644398-21kworker/2:1+events00:12:532
255609199258612,2570cyclictest2660344-21kworker/2:2+events00:35:122
255609199257912,2563cyclictest2598059-21kworker/2:1+events21:23:222
255609199257310,2559cyclictest2630454-21kworker/2:1+events23:04:142
255609199257112,2556cyclictest2606199-21kworker/2:2+events22:06:262
255609199256912,2553cyclictest2634862-21kworker/2:2+events23:12:342
255609499256711,2553cyclictest2557337-21kworker/3:0+events19:47:053
255609499254911,2534cyclictest2625321-21kworker/3:2+events22:44:273
255609499254312,2527cyclictest2616028-21kworker/3:2+events22:26:113
255609199253712,2521cyclictest2619006-21kworker/2:1+events22:49:022
255609199253612,2520cyclictest2577193-21kworker/2:3+events20:46:102
255609199253612,2520cyclictest2577193-21kworker/2:3+events20:46:102
255608699253312,2517cyclictest2599796-21kworker/0:2+events21:26:200
255608699252812,2512cyclictest2641238-21kworker/0:2+events23:34:350
25560919925254,2517cyclictest2636615-21kworker/2:1+events23:25:532
255608899252213,2505cyclictest2599621-21kworker/1:0+events21:39:141
255609199252111,2507cyclictest2564388-21kworker/2:1+events19:50:102
255609499251912,2504cyclictest2578618-21kworker/3:0+events20:17:163
255609499251712,2501cyclictest2647365-21kworker/3:0+events00:21:103
255609499251212,2496cyclictest2580250-21kworker/3:1+events20:28:433
255609499250911,2495cyclictest2657427-21kworker/3:1+events00:38:373
255609499249912,2483cyclictest2639931-21kworker/3:1+events23:34:133
255609499249912,2483cyclictest2622059-21kworker/3:0+events22:37:173
255609499249612,2480cyclictest2557337-21kworker/3:0+events19:42:303
255609199249612,2481cyclictest2559264-21kworker/2:1+events19:20:212
255608699249612,2480cyclictest2612168-21kworker/0:1+events22:15:390
255609499249512,2480cyclictest2654172-21kworker/3:1+events00:17:233
255609499249512,2480cyclictest2572310-21kworker/3:2+events20:03:303
255609499249512,2479cyclictest2643240-21kworker/3:1+events23:42:323
255609499249512,2479cyclictest2586823-21kworker/3:1+events20:53:033
255609499249512,2479cyclictest2583508-21kworker/3:2+events21:02:543
255609499249512,2479cyclictest2583508-21kworker/3:2+events21:02:533
255609199249512,2480cyclictest2620693-21kworker/2:0+events22:31:062
255609499249412,2479cyclictest2612376-21kworker/3:1+events22:07:583
255609499249412,2478cyclictest2564450-21kworker/3:1+events19:37:133
255609499249311,2478cyclictest2601132-21kworker/3:0+events21:29:023
255609499249212,2476cyclictest2625321-21kworker/3:2+events23:00:303
255609499249211,2477cyclictest2576051-21kworker/3:2+events20:14:103
255609199249211,2477cyclictest2568922-21kworker/2:2+events19:47:282
255609499249112,2476cyclictest2598289-21kworker/3:2+events21:22:593
255609499249112,2475cyclictest2657427-21kworker/3:1+events00:34:523
255609499249112,2475cyclictest2607704-21kworker/3:0+events21:57:213
255609499249111,2476cyclictest2598289-21kworker/3:2+events21:41:313
255609499249012,2475cyclictest2625321-21kworker/3:2+events23:14:273
255609199249012,2475cyclictest2613798-21kworker/2:0+events22:22:282
255609499248912,2475cyclictest2594768-21kworker/3:1+events21:10:053
255609199248912,2474cyclictest2601368-21kworker/2:0+events21:30:292
255609199248912,2473cyclictest2644398-21kworker/2:1+events00:04:112
255609199248912,2473cyclictest2612195-21kworker/2:1+events22:14:302
255609199248912,2473cyclictest2568922-21kworker/2:2+events19:57:022
255609499248812,2473cyclictest2620396-21kworker/3:1+events22:30:233
255609499248812,2473cyclictest2586823-21kworker/3:1+events20:57:113
255609499248812,2472cyclictest2625321-21kworker/3:2+events23:17:083
255609499248812,2472cyclictest2583508-21kworker/3:2+events20:48:073
255609499248812,2472cyclictest2583508-21kworker/3:2+events20:48:063
255609499248811,2473cyclictest2638300-21kworker/3:2+events23:28:553
255609499248712,2472cyclictest2578618-21kworker/3:0+events20:20:203
255609199248712,2472cyclictest2630454-21kworker/2:1+events23:05:432
255609199248712,2472cyclictest2586852-21kworker/2:0+events21:02:312
255609199248712,2472cyclictest2586852-21kworker/2:0+events21:02:312
255609199248712,2471cyclictest2606199-21kworker/2:2+events22:04:562
255609199248711,2473cyclictest2606199-21kworker/2:2+events21:58:522
255609199248612,2470cyclictest2644398-21kworker/2:1+events23:48:372
255608699248512,2469cyclictest2557306-21kworker/0:2+events19:20:440
255609199248212,2467cyclictest2573815-21kworker/2:1+events20:04:142
255609199248012,2465cyclictest2640761-21kworker/2:2+events23:42:562
255609199247912,2463cyclictest2577193-21kworker/2:3+events20:37:022
255608699247912,2464cyclictest2604513-21kworker/0:2+events21:40:440
255608899247812,2462cyclictest2625353-21kworker/1:0+events22:52:261
255609199247612,2461cyclictest2644398-21kworker/2:1+events00:20:462
255609199247612,2460cyclictest2577193-21kworker/2:3+events20:23:232
255609499247412,2459cyclictest2557337-21kworker/3:0+events19:34:513
255609499247212,2456cyclictest2633405-21kworker/3:0+events23:37:133
255609199247111,2457cyclictest2598059-21kworker/2:1+events21:18:502
255609199246811,2453cyclictest2651062-21kworker/2:2+events00:09:542
255609199246511,2451cyclictest2644398-21kworker/2:1+events23:53:542
255609499246110,2447cyclictest2652546-21kworker/3:2+events00:08:453
255609499245311,2438cyclictest2606046-21kworker/3:1+events21:54:423
255609199245112,2435cyclictest2577193-21kworker/2:3+events20:42:212
255608699245012,2434cyclictest2644574-21kworker/0:2+events23:59:360
255609199243111,2416cyclictest2617357-21kworker/2:2+events22:27:422
255609499242712,2412cyclictest2570648-21kworker/3:1+events19:59:183
255609199242712,2412cyclictest2593772-21kworker/2:1+events21:11:352
255608899242412,2408cyclictest2639900-21kworker/1:2+events23:33:061
255608899242412,2408cyclictest2599621-21kworker/1:0+events21:23:441
255609199240512,2390cyclictest2562786-21kworker/2:0+events19:32:562
255609199240412,2388cyclictest2557217-21kworker/2:2+events19:28:472
25560949924034,2395cyclictest2612376-21kworker/3:1+events22:10:183
255609499240312,2388cyclictest2583508-21kworker/3:2+events20:38:333
255609499239810,2384cyclictest2625321-21kworker/3:2+events22:58:383
255608699239812,2383cyclictest2612168-21kworker/0:1+events22:08:200
255608699239612,2381cyclictest2636678-21kworker/0:0+events23:22:280
255609499239412,2379cyclictest2580250-21kworker/3:1+events20:32:263
255609199239412,2378cyclictest2565996-21kworker/2:0+events19:43:392
25560869923926,2382cyclictest2644574-21kworker/0:2+events00:03:270
255608899239012,2374cyclictest2567470-21kworker/1:2+events19:44:251
255608699238810,2374cyclictest2585262-21kworker/0:2+events20:41:580
255609199238712,2372cyclictest2644398-21kworker/2:1+events00:25:232
255609499238611,2371cyclictest2598289-21kworker/3:2+events21:32:033
255608899238511,2371cyclictest2590118-21kworker/1:2+events21:09:181
255608899238511,2371cyclictest2590118-21kworker/1:2+events21:09:181
255609199238210,2368cyclictest2627093-21kworker/2:2+events22:53:132
255608699238212,2366cyclictest2636678-21kworker/0:0+events23:46:410
255608899238012,2365cyclictest2578679-21kworker/1:0+events20:19:561
255609499237712,2362cyclictest2616028-21kworker/3:2+events22:20:123
255608899236412,2348cyclictest2599621-21kworker/1:0+events21:49:011
255609199236211,2348cyclictest2577193-21kworker/2:3+events20:34:432
255608899236112,2345cyclictest2595874-21kworker/1:1+events21:16:511
255608899236012,2345cyclictest2622120-21kworker/1:2+events22:43:441
255608899236010,2347cyclictest2582120-21kworker/1:1+events20:40:251
255608899235912,2344cyclictest2644425-21kworker/1:2+events23:53:091
25560949923559,2343cyclictest2557337-21kworker/3:0+events19:29:333
255609199235411,2340cyclictest2599681-21kworker/2:2+events21:27:292
255608899235311,2340cyclictest2628816-21kworker/1:1+events22:55:081
255608899235212,2337cyclictest2613982-21kworker/1:0+events22:14:521
255609499234912,2334cyclictest2607704-21kworker/3:0+events22:03:453
255608899234912,2333cyclictest2604483-21kworker/1:1+events21:44:071
25560889923479,2335cyclictest2595874-21kworker/1:1+events21:25:131
255608899234712,2332cyclictest2580310-21kworker/1:2+events20:34:211
255608899234612,2331cyclictest2615929-21kworker/1:1+events22:39:351
255608899234311,2329cyclictest2651033-21kworker/1:1+events00:06:281
255608899234311,2328cyclictest2660491-21kworker/1:0+events00:39:221
25560889923429,2330cyclictest2567470-21kworker/1:2+events19:48:371
255608699234112,2325cyclictest2651388-21kworker/0:1+events00:13:590
255608699234110,2328cyclictest2557306-21kworker/0:2+events19:36:010
255608699234012,2324cyclictest2590085-21kworker/0:1+events21:09:430
255608699234012,2324cyclictest2590085-21kworker/0:1+events21:09:420
255608899233912,2323cyclictest2569106-21kworker/1:0+events19:52:261
255608899233910,2326cyclictest2652664-21kworker/1:2+events00:14:451
255608899233910,2325cyclictest2580310-21kworker/1:2+events20:23:001
255609199233812,2322cyclictest2644398-21kworker/2:1+events00:16:372
255608899233812,2323cyclictest2615929-21kworker/1:1+events22:25:481
25560889923379,2325cyclictest2658862-21kworker/1:2+events00:28:261
255608899233712,2322cyclictest2649284-21kworker/1:0+events23:59:131
255608899233712,2322cyclictest2606135-21kworker/1:2+events21:58:311
255608899233711,2323cyclictest2636580-21kworker/1:0+events23:19:251
255608899233612,2321cyclictest2576816-21kworker/1:2+events20:11:561
25560889923308,2318cyclictest2625353-21kworker/1:0+events23:05:221
255608899233012,2315cyclictest2631751-21kworker/1:2+events23:03:301
255608699233012,2315cyclictest2580340-21kworker/0:1+events20:39:410
255608699233011,2316cyclictest2594739-21kworker/0:0+events21:32:490
255609199232912,2314cyclictest2577193-21kworker/2:3+events20:15:222
255608899232812,2312cyclictest2582120-21kworker/1:1+events20:38:111
255608899232811,2314cyclictest2593427-21kworker/1:0+events21:13:071
255608699232812,2312cyclictest2590085-21kworker/0:1+events20:54:110
255608699232712,2311cyclictest2633466-21kworker/0:2+events23:12:560
255608899232612,2311cyclictest2567470-21kworker/1:2+events19:58:551
255608899232511,2311cyclictest2615929-21kworker/1:1+events22:20:361
255608899232511,2311cyclictest2561362-21kworker/1:3+events19:28:011
255609499232412,2308cyclictest2622059-21kworker/3:0+events22:46:423
255609199232412,2309cyclictest2640761-21kworker/2:2+events23:38:432
255608699232310,2309cyclictest2620752-21kworker/0:1+events22:36:080
255609199232211,2307cyclictest2622329-21kworker/2:2+events22:37:412
255609199231912,2304cyclictest2647776-21kworker/2:0+events23:59:592
255609199231911,2304cyclictest2601368-21kworker/2:0+events21:45:172
255608699231812,2302cyclictest2639591-21kworker/0:1+events23:28:340
255609499231611,2301cyclictest2555295-21kworker/3:1+events19:23:473
255609199231611,2302cyclictest2638328-21kworker/2:0+events23:33:272
255608899231212,2297cyclictest2590118-21kworker/1:2+events21:04:241
255608899231212,2297cyclictest2590118-21kworker/1:2+events21:04:231
255608699231110,2298cyclictest2625203-21kworker/0:2+events22:55:310
255608899230811,2294cyclictest2586586-21kworker/1:2+events20:45:471
255608899230811,2294cyclictest2586586-21kworker/1:2+events20:45:471
255608699230712,2292cyclictest2629376-21kworker/0:1+events23:15:570
255608699230712,2292cyclictest2575476-21kworker/0:1+events20:11:340
255608899230412,2289cyclictest2652664-21kworker/1:2+events00:19:171
255608699230411,2289cyclictest2606238-21kworker/0:0+events21:46:230
255608899229712,2282cyclictest2620365-21kworker/1:0+events22:30:451
255608899229711,2283cyclictest2584964-21kworker/1:0+events20:55:421
255608699229411,2279cyclictest2585262-21kworker/0:2+events20:46:560
255608699229411,2279cyclictest2585262-21kworker/0:2+events20:46:560
255609199229311,2278cyclictest2657752-21kworker/2:0+events00:31:272
255608899229010,2277cyclictest2638211-21kworker/1:1+events23:29:181
255608899228711,2272cyclictest2625353-21kworker/1:0+events22:45:131
255609199228212,2267cyclictest2568922-21kworker/2:2+events20:10:462
255609499227211,2258cyclictest2638300-21kworker/3:2+events23:24:463
25560949922719,2258cyclictest2625321-21kworker/3:2+events23:07:143
255609499227111,2258cyclictest2585172-21kworker/3:0+events20:40:033
255608699227011,2256cyclictest2594739-21kworker/0:0+events21:37:420
255609499226911,2255cyclictest2627245-21kworker/3:1+events22:54:003
25560919922679,2254cyclictest2557217-21kworker/2:2+events19:19:122
255609499226611,2251cyclictest2574020-21kworker/3:0+events20:08:493
255609499226510,2252cyclictest2643240-21kworker/3:1+events23:49:003
255609499226310,2249cyclictest2606046-21kworker/3:1+events21:49:493
255609499226211,2248cyclictest2596540-21kworker/3:0+events21:18:263
255608899226212,2247cyclictest2607776-21kworker/1:1+events21:51:421
255609499226011,2245cyclictest2657427-21kworker/3:1+events00:29:563
255608899225711,2243cyclictest2649284-21kworker/1:0+events00:03:491
255609499225611,2242cyclictest2647365-21kworker/3:0+events00:01:323
25560919922569,2243cyclictest2625173-21kworker/2:0+events22:44:502
255609199225611,2242cyclictest2590207-21kworker/2:1+events20:54:552
255609199225110,2237cyclictest2634862-21kworker/2:2+events23:20:562
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255608899225111,2236cyclictest2573265-21kworker/1:0+events20:02:431
255609199224911,2235cyclictest2617357-21kworker/2:2+events22:19:012
255608899224511,2231cyclictest2631751-21kworker/1:2+events23:22:051
255608899224511,2230cyclictest2601283-21kworker/1:2+events21:34:211
255608899224110,2227cyclictest2570707-21kworker/1:1+events20:07:391
25560919922299,2217cyclictest2604544-21kworker/2:1+events21:41:092
25560889922269,2214cyclictest2560998-21kworker/1:1+events19:21:511
25560869922260,2223cyclictest2596393-21kworker/0:2+events21:15:420
255608699222212,2206cyclictest2613919-21kworker/0:0+events22:12:110
255608699220411,2189cyclictest2649109-21kworker/0:0+events00:27:180
255609499220111,2186cyclictest2602737-21kworker/3:1+events21:36:133
25560869921999,2186cyclictest2560968-21kworker/0:0+events19:29:100
255608699219912,2184cyclictest2649109-21kworker/0:0+events00:17:480
255609499219811,2183cyclictest2557337-21kworker/3:0+events19:18:053
25560889921977,2187cyclictest2612317-21kworker/1:1+events22:04:091
255608699218311,2169cyclictest2604513-21kworker/0:2+events21:53:590
255608699218111,2167cyclictest2550236-21kworker/0:1+events19:17:190
255608699218011,2165cyclictest2612168-21kworker/0:1+events22:01:510
255609199217611,2161cyclictest2590207-21kworker/2:1+events20:58:432
25560869921766,2167cyclictest2659143-21kworker/0:2+events00:39:000
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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