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2026-07-06 - 14:05

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 792 highest latencies:
System rackfslot7s.osadl.org (updated Mon Jul 06, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
241787799311915,3098cyclictest2419148-21kworker/3:1+events19:40:183
241787099311215,3093cyclictest2485343-21kworker/1:2+events22:37:171
24178779930469,3034cyclictest2419148-21kworker/3:1+events20:20:013
241787599302713,3009cyclictest2520718-21kworker/2:1+events00:35:132
241787799300014,2982cyclictest2456614-21kworker/3:1+events21:10:183
241787799298612,2968cyclictest2434353-21kworker/3:2+events20:00:133
241787099295614,2938cyclictest2461668-21kworker/1:3+events21:30:201
241787599293412,2919cyclictest2498217-21kworker/2:0+events23:20:012
241787099292615,2902cyclictest2441076-21kworker/1:2+events20:25:151
241787099292014,2902cyclictest2514134-21kworker/1:2+events00:15:171
241787599284814,2830cyclictest2429160-21kworker/2:2+events19:50:132
24178759928318,2819cyclictest2487142-21kworker/2:0+events22:45:112
241786699283113,2814cyclictest2504299-21kworker/0:1+events23:38:170
241787099281410,2799cyclictest2419207-21kworker/1:1+events19:30:171
241787799281114,2793cyclictest2419148-21kworker/3:1+events19:25:173
241787799281013,2792cyclictest2510820-21kworker/3:0+events00:30:003
241787099280911,2794cyclictest2469425-21kworker/1:2+events21:49:291
241787799280313,2788cyclictest2488691-21kworker/3:2+events22:55:323
241787799280313,2786cyclictest2453331-21kworker/3:0+events21:35:423
241787799280113,2785cyclictest2469274-21kworker/3:0+events22:00:343
241787099279913,2783cyclictest2477398-21kworker/1:1+events22:15:101
241787599279613,2779cyclictest2509308-21kworker/2:1+events00:01:522
241787599278813,2772cyclictest2488780-21kworker/2:1+events23:21:562
241787599277913,2762cyclictest2478919-21kworker/2:2+events22:35:232
241787599277711,2762cyclictest2485494-21kworker/2:1+events22:40:152
241786699277612,2760cyclictest2464465-21kworker/0:2+events21:50:140
241786699276613,2749cyclictest2495062-21kworker/0:2+events23:10:230
241787099276113,2744cyclictest2445371-21kworker/1:2+events20:38:501
241787099275312,2739cyclictest2496364-21kworker/1:1+events23:34:121
241786699275214,2734cyclictest2498250-21kworker/0:1+events23:20:220
241787099275113,2736cyclictest2486964-21kworker/1:0+events23:00:071
241787099274313,2726cyclictest2472756-21kworker/1:2+events22:11:201
241787799273813,2721cyclictest2469274-21kworker/3:0+events21:57:103
241787599273413,2718cyclictest2467605-21kworker/2:2+events22:04:482
241787799272610,2712cyclictest2504330-21kworker/3:2+events23:39:473
241787599271912,2703cyclictest2517016-21kworker/2:1+events00:20:292
241787599269612,2680cyclictest2480865-21kworker/2:1+events22:28:592
241786699269511,2680cyclictest2431256-21kworker/0:1+events20:00:570
241786699267910,2665cyclictest2487271-21kworker/0:0+events22:57:260
241787599267814,2660cyclictest2456522-21kworker/2:1+events21:15:132
241787099267611,2661cyclictest2419207-21kworker/1:1+events19:45:171
241786699267113,2654cyclictest2474201-21kworker/0:0+events22:05:120
241786699266413,2649cyclictest2464465-21kworker/0:2+events21:45:160
241786699266313,2646cyclictest2464465-21kworker/0:2+events21:36:290
241786699266311,2648cyclictest2461614-21kworker/0:0+events21:26:540
241786699266113,2644cyclictest2475852-21kworker/0:1+events22:13:140
241786699265513,2639cyclictest2427443-21kworker/0:1+events19:42:380
241786699265213,2635cyclictest2429337-21kworker/0:0+events19:46:490
241786699265210,2638cyclictest2464465-21kworker/0:2+events21:41:490
241787599264915,2632cyclictest2501152-21kworker/2:2+events23:42:072
241787599264913,2633cyclictest2477190-21kworker/2:1+events22:15:352
241786699264913,2632cyclictest2448537-21kworker/0:2+events20:46:300
241787099264812,2633cyclictest2501301-21kworker/1:0+events23:29:341
241787799264711,2631cyclictest2426047-21kworker/3:2+events19:35:193
241787599263711,2622cyclictest2520718-21kworker/2:1+events00:32:372
241786699263713,2620cyclictest2480625-21kworker/0:1+events22:52:050
241787799263012,2614cyclictest2520749-21kworker/3:1+events00:38:203
241787799261813,2601cyclictest2483776-21kworker/3:2+events22:32:233
241787599261612,2601cyclictest2459756-21kworker/2:0+events21:24:172
241786699260912,2593cyclictest2425778-21kworker/0:2+events19:34:540
241786699260012,2584cyclictest2514406-21kworker/0:0+events00:16:040
241787599259311,2578cyclictest2429160-21kworker/2:2+events19:43:242
241787799258912,2573cyclictest2488691-21kworker/3:2+events23:15:193
241787099258813,2571cyclictest2485343-21kworker/1:2+events22:44:251
241787799258111,2566cyclictest2486997-21kworker/3:0+events22:48:383
241787599258112,2565cyclictest2518856-21kworker/2:0+events00:29:372
241786699258011,2563cyclictest2480625-21kworker/0:1+events22:32:460
241787599257912,2563cyclictest2442139-21kworker/2:0+events20:32:482
241786699257913,2562cyclictest2437307-21kworker/0:0+events20:10:260
241787599257712,2562cyclictest2478919-21kworker/2:2+events22:24:432
241787599257712,2561cyclictest2487142-21kworker/2:0+events22:57:042
241787799257612,2560cyclictest2467636-21kworker/3:1+events21:42:583
241787599257512,2559cyclictest2442139-21kworker/2:0+events20:27:552
241787799257410,2560cyclictest2463065-21kworker/3:1+events21:32:403
241787599257412,2558cyclictest2435678-21kworker/2:0+events20:10:462
241787599257410,2561cyclictest2509308-21kworker/2:1+events00:09:302
241787799257312,2558cyclictest2488691-21kworker/3:2+events23:12:193
241787799257310,2560cyclictest2419148-21kworker/3:1+events19:53:163
241787599257312,2558cyclictest2458124-21kworker/2:2+events21:13:442
241787599257312,2557cyclictest2437451-21kworker/2:1+events20:24:102
241787599257311,2559cyclictest2422829-21kworker/2:1+events19:31:272
241787799257212,2558cyclictest2436030-21kworker/3:0+events20:10:013
241787599257212,2558cyclictest2501152-21kworker/2:2+events23:55:252
241787599257112,2557cyclictest2459756-21kworker/2:0+events21:35:182
241787799257012,2554cyclictest2456614-21kworker/3:1+events21:17:083
241787599257011,2555cyclictest2429160-21kworker/2:2+events20:05:302
241787799256912,2553cyclictest2448623-21kworker/3:2+events20:47:383
241787799256911,2554cyclictest2478886-21kworker/3:1+events22:28:343
241787599256912,2553cyclictest2514234-21kworker/2:2+events00:19:012
241787799256812,2552cyclictest2499815-21kworker/3:1+events23:31:053
241787799256810,2554cyclictest2513804-21kworker/3:1+events00:06:253
241787599256812,2552cyclictest2456522-21kworker/2:1+events21:08:012
241787599256812,2552cyclictest2448422-21kworker/2:0+events20:42:192
24178759925668,2555cyclictest2488780-21kworker/2:1+events23:09:382
241787799256512,2549cyclictest2510820-21kworker/3:0+events00:18:373
241787799256512,2549cyclictest2510820-21kworker/3:0+events00:10:393
241787799256512,2549cyclictest2469274-21kworker/3:0+events22:12:283
241787799256511,2550cyclictest2486997-21kworker/3:0+events22:44:493
241787799256510,2551cyclictest2498157-21kworker/3:0+events23:21:103
241787599256511,2550cyclictest2461554-21kworker/2:1+events21:25:482
241787799256412,2548cyclictest2486997-21kworker/3:0+events22:53:133
241787799256412,2548cyclictest2469274-21kworker/3:0+events21:48:193
241787799256212,2549cyclictest2440580-21kworker/3:0+events20:20:463
241787599256212,2548cyclictest2450371-21kworker/2:1+events20:51:222
241787599256212,2547cyclictest2467605-21kworker/2:2+events22:09:002
241787799256010,2546cyclictest2419148-21kworker/3:1+events20:07:453
241787599256012,2545cyclictest2422829-21kworker/2:1+events19:38:442
241787799255912,2543cyclictest2469274-21kworker/3:0+events21:52:133
241787799255912,2543cyclictest2431048-21kworker/3:2+events19:49:273
241787599255512,2540cyclictest2502758-21kworker/2:0+events23:33:012
241787799255410,2540cyclictest2483776-21kworker/3:2+events22:36:533
241787799255312,2538cyclictest2510820-21kworker/3:0+events00:24:413
24178779925529,2540cyclictest2509065-21kworker/3:2+events23:58:273
241786699255213,2536cyclictest2487271-21kworker/0:0+events23:09:150
241787799255111,2537cyclictest2450583-21kworker/3:1+events20:59:183
241787099255012,2534cyclictest2434244-21kworker/1:0+events19:59:291
241786699255011,2535cyclictest2419434-21kworker/0:3+events19:15:550
241787799254912,2533cyclictest2453331-21kworker/3:0+events21:06:543
241787799254812,2532cyclictest2448623-21kworker/3:2+events20:54:453
241787099254712,2531cyclictest2499697-21kworker/1:2+events23:23:511
241787099254612,2530cyclictest2515775-21kworker/1:0+events00:33:231
241787599253710,2523cyclictest2452114-21kworker/2:2+events21:04:162
24178709925343,2527cyclictest2466103-21kworker/1:0+events21:44:091
241787099253412,2518cyclictest2432652-21kworker/1:2+events19:53:401
241787599253212,2516cyclictest2475563-21kworker/2:0+events22:11:432
241787099253112,2514cyclictest2419207-21kworker/1:1+events20:20:231
24178779925309,2518cyclictest2440580-21kworker/3:0+events20:29:023
241787099252012,2506cyclictest2419207-21kworker/1:1+events20:15:501
241787099251912,2503cyclictest2515775-21kworker/1:0+events00:23:571
241787599251812,2503cyclictest2459756-21kworker/2:0+events21:31:542
241787099251612,2500cyclictest2486964-21kworker/1:0+events23:05:481
241787099251412,2499cyclictest2510761-21kworker/1:2+events00:01:061
241787099251310,2500cyclictest2421241-21kworker/1:2+events19:23:461
241787099251310,2499cyclictest2455333-21kworker/1:0+events21:07:381
241787099251210,2499cyclictest2509124-21kworker/1:1+events23:57:421
241787099251111,2496cyclictest2472756-21kworker/1:2+events22:29:451
241787099251012,2494cyclictest2472756-21kworker/1:2+events22:09:231
241787099251011,2495cyclictest2419207-21kworker/1:1+events20:03:171
241787099250912,2493cyclictest2437484-21kworker/1:0+events20:09:151
241787099250911,2495cyclictest2480897-21kworker/1:1+events22:30:521
241787099250911,2494cyclictest2461668-21kworker/1:3+events21:27:411
241787099250712,2491cyclictest2459820-21kworker/1:2+events21:18:171
241786699250511,2490cyclictest2520568-21kworker/0:0+events00:35:340
241786699250413,2487cyclictest2458248-21kworker/0:2+events21:21:340
241786699250412,2488cyclictest2453683-21kworker/0:0+events21:03:530
241787099249912,2484cyclictest2485343-21kworker/1:2+events22:51:411
241786699249812,2482cyclictest2422507-21kworker/0:0+events19:37:110
241787599249712,2481cyclictest2488780-21kworker/2:1+events23:27:402
241786699249712,2480cyclictest2480625-21kworker/0:1+events22:42:550
241787799249613,2479cyclictest2419148-21kworker/3:1+events19:21:303
241787799249612,2480cyclictest2499815-21kworker/3:1+events23:25:253
241787799249512,2479cyclictest2455014-21kworker/3:2+events21:03:073
241787599249512,2480cyclictest2488780-21kworker/2:1+events23:13:012
241787799249412,2479cyclictest2453331-21kworker/3:0+events21:22:203
241787799249412,2478cyclictest2419148-21kworker/3:1+events20:42:413
241787599249412,2479cyclictest2437451-21kworker/2:1+events20:17:232
241787599249311,2478cyclictest2512530-21kworker/2:0+events00:14:312
241787799249212,2476cyclictest2475925-21kworker/3:2+events22:18:133
241786699249212,2476cyclictest2464465-21kworker/0:2+events21:59:040
241787599249012,2475cyclictest2501152-21kworker/2:2+events23:50:512
241787599249012,2474cyclictest2501152-21kworker/2:2+events23:37:562
241787599249011,2476cyclictest2483806-21kworker/2:0+events22:34:382
241787599248612,2470cyclictest2507644-21kworker/2:0+events23:48:542
24178759924858,2473cyclictest2488780-21kworker/2:1+events23:00:532
241787599248312,2467cyclictest2488780-21kworker/2:1+events22:50:322
241787599248312,2467cyclictest2429160-21kworker/2:2+events20:00:362
241787799248212,2468cyclictest2417345-21kworker/3:0+events19:13:403
241787799248212,2467cyclictest2419148-21kworker/3:1+events20:31:383
241787799248212,2466cyclictest2488691-21kworker/3:2+events23:03:343
241787599247910,2465cyclictest2422829-21kworker/2:1+events19:26:522
241787799247812,2462cyclictest2494219-21kworker/3:0+events23:06:593
241787599247812,2463cyclictest2459756-21kworker/2:0+events21:40:392
241787799247712,2462cyclictest2520749-21kworker/3:1+events00:30:453
241787799247712,2461cyclictest2419148-21kworker/3:1+events19:59:073
241787799247612,2461cyclictest2424200-21kworker/3:0+events19:31:053
241787799247612,2460cyclictest2502725-21kworker/3:0+events23:44:033
241787799247612,2460cyclictest2478886-21kworker/3:1+events22:24:223
241787799247612,2460cyclictest2461418-21kworker/3:2+events21:25:253
241787799247512,2459cyclictest2502725-21kworker/3:0+events23:47:483
241787799247312,2458cyclictest2509065-21kworker/3:2+events23:51:343
241787799247212,2456cyclictest2474142-21kworker/3:1+events22:06:423
241786699246712,2451cyclictest2464465-21kworker/0:2+events22:04:030
241786699246512,2450cyclictest2431256-21kworker/0:1+events20:06:170
241786699246412,2448cyclictest2506015-21kworker/0:2+events23:53:540
241786699246312,2447cyclictest2431256-21kworker/0:1+events20:21:520
241786699246311,2448cyclictest2431256-21kworker/0:1+events20:40:230
241787099245812,2442cyclictest2496364-21kworker/1:1+events23:41:441
241786699245312,2438cyclictest2518638-21kworker/0:1+events00:27:430
241787099245111,2437cyclictest2515775-21kworker/1:0+events00:36:231
241787099245012,2434cyclictest2447000-21kworker/1:1+events20:45:191
241786699244913,2434cyclictest2495062-21kworker/0:2+events23:25:010
241787099244711,2432cyclictest2512497-21kworker/1:0+events00:09:061
241786699244612,2430cyclictest2516987-21kworker/0:2+events00:23:350
241787799244512,2429cyclictest2419148-21kworker/3:1+events19:17:493
241787099244512,2429cyclictest2479007-21kworker/1:0+events22:23:351
24178669924449,2431cyclictest2520568-21kworker/0:0+events00:31:280
241786699244412,2429cyclictest2458248-21kworker/0:2+events21:18:400
241787599244212,2426cyclictest2443770-21kworker/2:2+events20:46:062
241787099243912,2423cyclictest2485343-21kworker/1:2+events22:49:251
241787099243912,2423cyclictest2427412-21kworker/1:0+events19:40:421
241787099243712,2421cyclictest2458215-21kworker/1:1+events21:12:591
24178669924369,2424cyclictest2453683-21kworker/0:0+events21:14:080
241786699243612,2420cyclictest2464465-21kworker/0:2+events21:33:010
241787099243412,2417cyclictest2509124-21kworker/1:1+events00:14:081
241786699243410,2421cyclictest2487271-21kworker/0:0+events23:01:580
241787099243312,2418cyclictest2493520-21kworker/1:2+events23:13:251
241787099243312,2417cyclictest2467730-21kworker/1:1+events21:55:381
241787099243312,2417cyclictest2445371-21kworker/1:2+events20:40:461
24178669924339,2420cyclictest2499877-21kworker/0:0+events23:30:420
241786699243211,2418cyclictest2424140-21kworker/0:1+events19:29:550
241787099243112,2416cyclictest2507439-21kworker/1:0+events23:46:171
241787099243111,2416cyclictest2449213-21kworker/1:0+events20:51:461
241787099243012,2414cyclictest2493520-21kworker/1:2+events23:15:441
241787099242812,2412cyclictest2520534-21kworker/1:2+events00:28:061
241786699242612,2410cyclictest2446824-21kworker/0:0+events20:37:410
241787099242512,2409cyclictest2453508-21kworker/1:1+events20:58:581
241787099242512,2409cyclictest2437484-21kworker/1:0+events20:12:191
241787099242510,2412cyclictest2467730-21kworker/1:1+events22:02:531
241787099242412,2408cyclictest2443740-21kworker/1:0+events20:33:111
241787099242411,2409cyclictest2507439-21kworker/1:0+events23:51:571
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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