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2026-08-11 - 04:05

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 Tue Aug 11, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
266588399419822,4169cyclictest2754443-21kworker/0:2+events00:00:000
266588599341518,3392cyclictest2682118-21kworker/1:2+events20:05:001
266588599340217,3381cyclictest2710532-21kworker/1:1+events21:35:021
266588399336216,3340cyclictest2764009-21kworker/0:1+events00:15:190
266589399307315,3053cyclictest2714119-21kworker/3:0+events21:45:203
266588399291814,2899cyclictest2658932-21kworker/0:2+events19:15:220
266588599290214,2882cyclictest2667083-21kworker/1:2+events19:25:121
266588399290116,2881cyclictest2712228-21kworker/0:1+events21:50:120
266588599287714,2858cyclictest2700873-21kworker/1:2+events21:00:161
266588399280813,2791cyclictest2701171-21kworker/0:0+events21:11:220
266589399280510,2791cyclictest2763762-21kworker/3:0+events00:19:073
266589399280313,2786cyclictest2728376-21kworker/3:2+events22:35:293
266589399279313,2775cyclictest2675765-21kworker/3:0+events19:40:003
266588899277313,2756cyclictest2689855-21kworker/2:2+events20:33:232
266588399275611,2741cyclictest2723460-21kworker/0:1+events22:18:000
266588399275412,2738cyclictest2702865-21kworker/0:1+events21:09:250
266588399274913,2732cyclictest2686849-21kworker/0:1+events20:20:340
266588899272313,2706cyclictest2756188-21kworker/2:1+events23:55:242
266588899271613,2699cyclictest2762252-21kworker/2:1+events00:36:042
266588399271613,2699cyclictest2708990-21kworker/0:0+events21:44:110
266588899271213,2695cyclictest2736339-21kworker/2:2+events22:47:422
266588399271213,2695cyclictest2708990-21kworker/0:0+events21:28:540
266589399271112,2695cyclictest2768648-21kworker/3:0+events00:33:043
266588899271113,2694cyclictest2712110-21kworker/2:1+events21:33:302
266588899271113,2694cyclictest2689855-21kworker/2:2+events20:36:222
266588899271012,2694cyclictest2680428-21kworker/2:0+events20:06:562
266588399271013,2695cyclictest2726756-21kworker/0:0+events22:37:220
266588399270912,2693cyclictest2682180-21kworker/0:2+events20:06:330
266588399270612,2692cyclictest2705647-21kworker/0:2+events21:21:170
266588399270412,2688cyclictest2748156-21kworker/0:1+events23:26:310
266588399270313,2687cyclictest2708990-21kworker/0:0+events21:37:440
266588399270213,2685cyclictest2754443-21kworker/0:2+events23:54:390
266588599269513,2678cyclictest2722034-21kworker/1:1+events22:09:191
266588599269413,2677cyclictest2683771-21kworker/1:0+events20:08:011
266588599269411,2679cyclictest2746319-21kworker/1:2+events23:18:341
266588399268913,2672cyclictest2678827-21kworker/0:2+events19:49:540
266589399268613,2669cyclictest2728376-21kworker/3:2+events22:32:493
266588599268513,2669cyclictest2664003-21kworker/1:0+events19:20:191
266589399268013,2663cyclictest2675765-21kworker/3:0+events20:03:543
266589399267913,2662cyclictest2656040-21kworker/3:1+events19:15:453
266588899267911,2664cyclictest2707813-21kworker/2:0+events21:29:192
266589399267812,2662cyclictest2702630-21kworker/3:0+events21:10:343
266589399267712,2661cyclictest2696310-21kworker/3:2+events20:46:583
266588399267712,2661cyclictest2672295-21kworker/0:0+events19:42:180
266588399267711,2662cyclictest2672295-21kworker/0:0+events19:51:020
266589399267413,2659cyclictest2750031-21kworker/3:0+events23:35:203
266589399267413,2657cyclictest2691483-21kworker/3:0+events20:30:463
266588399266313,2646cyclictest2691363-21kworker/0:0+events20:26:350
266588599266213,2645cyclictest2700873-21kworker/1:2+events21:09:471
266589399265913,2642cyclictest2679014-21kworker/3:2+events19:50:193
266589399265711,2642cyclictest2725089-21kworker/3:1+events22:14:353
266588899265513,2638cyclictest2686615-21kworker/2:1+events20:16:432
266588899265313,2637cyclictest2686615-21kworker/2:1+events20:21:432
266589399265013,2633cyclictest2759422-21kworker/3:3+events00:05:193
266588599264913,2633cyclictest2672476-21kworker/1:3+events19:35:001
266588599264813,2631cyclictest2672325-21kworker/1:0+events19:52:081
266588599264212,2626cyclictest2674507-21kworker/1:1+events19:44:361
266589399264113,2624cyclictest2728376-21kworker/3:2+events22:45:253
266589399264013,2625cyclictest2699507-21kworker/3:1+events21:01:493
266589399264013,2623cyclictest2718591-21kworker/3:1+events21:54:473
266588899263613,2620cyclictest2694837-21kworker/2:0+events20:56:272
266588599263313,2616cyclictest2691515-21kworker/1:2+events20:29:591
266589399263213,2616cyclictest2696310-21kworker/3:2+events20:43:583
266588399263111,2617cyclictest2670487-21kworker/0:1+events19:30:280
266589399262910,2616cyclictest2683015-21kworker/3:2+events20:24:203
266588899262915,2610cyclictest2665276-21kworker/2:0+events19:18:242
266588599262913,2612cyclictest2736547-21kworker/1:2+events22:50:201
266589399262813,2611cyclictest2757399-21kworker/3:1+events23:54:173
266589399262813,2611cyclictest2748122-21kworker/3:1+events23:28:503
266589399262613,2610cyclictest2718591-21kworker/3:1+events21:58:113
266588899262512,2609cyclictest2704041-21kworker/2:1+events21:17:272
266588599262511,2611cyclictest2757380-21kworker/1:0+events00:23:371
266589399262413,2607cyclictest2712257-21kworker/3:1+events21:44:323
266589399262313,2608cyclictest2672144-21kworker/3:2+events19:30:063
266589399261911,2604cyclictest2674079-21kworker/3:1+events19:47:203
266588599261713,2600cyclictest2740096-21kworker/1:2+events23:00:121
266588599261612,2600cyclictest2729786-21kworker/1:2+events22:38:091
266589399260613,2589cyclictest2705829-21kworker/3:1+events21:25:543
266588399260612,2590cyclictest2751067-21kworker/0:2+events23:31:520
266589399259912,2583cyclictest2721901-21kworker/3:2+events22:15:433
266589399258212,2566cyclictest2746423-21kworker/3:2+events23:46:193
266589399257912,2564cyclictest2759422-21kworker/3:3+events00:11:513
266588899256612,2550cyclictest2744985-21kworker/2:2+events23:24:152
266588399256613,2549cyclictest2732936-21kworker/0:2+events22:59:020
266588899256510,2551cyclictest2717177-21kworker/2:1+events22:01:132
266589399256213,2546cyclictest2670478-21kworker/3:0+events19:21:493
266589399256112,2547cyclictest2675765-21kworker/3:0+events19:55:113
266588599256012,2546cyclictest2710532-21kworker/1:1+events21:30:041
266588599256012,2544cyclictest2704191-21kworker/1:0+events21:14:261
266588599255111,2536cyclictest2704191-21kworker/1:0+events21:25:301
26658889925498,2538cyclictest2748189-21kworker/2:0+events23:30:442
266588399254813,2533cyclictest2720254-21kworker/0:2+events22:01:380
266588899254513,2528cyclictest2672649-21kworker/2:1+events19:39:362
266588599253912,2524cyclictest2738148-21kworker/1:0+events23:11:171
266589399253613,2519cyclictest2746423-21kworker/3:2+events23:42:073
266588399253312,2517cyclictest2701171-21kworker/0:0+events21:02:340
266588899252512,2509cyclictest2743201-21kworker/2:1+events23:18:112
26658939925229,2509cyclictest2683015-21kworker/3:2+events20:06:093
266588599252010,2506cyclictest2672325-21kworker/1:0+events19:49:331
266588399251913,2502cyclictest2696398-21kworker/0:1+events20:57:580
266588599251710,2503cyclictest2717050-21kworker/1:0+events22:00:511
266588399251711,2502cyclictest2726756-21kworker/0:0+events22:40:510
266589399251211,2495cyclictest2683015-21kworker/3:2+events20:11:263
266588899251211,2497cyclictest2762252-21kworker/2:1+events00:17:132
266589399251112,2496cyclictest2691483-21kworker/3:0+events20:36:013
266588899250712,2491cyclictest2726726-21kworker/2:1+events22:23:412
266588899250612,2490cyclictest2725031-21kworker/2:0+events22:51:072
26658839925067,2495cyclictest2708990-21kworker/0:0+events21:34:160
266588899250511,2492cyclictest2762252-21kworker/2:1+events00:30:052
266589399250312,2488cyclictest2675765-21kworker/3:0+events19:44:583
266588899250311,2488cyclictest2717177-21kworker/2:1+events21:53:142
266588899250310,2490cyclictest2702438-21kworker/2:2+events21:10:582
266589399250211,2487cyclictest2767038-21kworker/3:1+events00:26:153
266589399250211,2487cyclictest2767038-21kworker/3:1+events00:26:153
26658939924985,2490cyclictest2670478-21kworker/3:0+events19:29:223
266588899249811,2483cyclictest2725031-21kworker/2:0+events22:13:052
266588399249812,2483cyclictest2688578-21kworker/0:2+events20:44:200
266588399249812,2482cyclictest2705647-21kworker/0:2+events21:18:380
266588599249712,2481cyclictest2744714-21kworker/1:1+events23:20:491
266588399249611,2483cyclictest2680518-21kworker/0:1+events19:56:400
266589399249512,2479cyclictest2728376-21kworker/3:2+events22:43:563
266589399249413,2477cyclictest2741626-21kworker/3:0+events23:04:483
266588399249411,2479cyclictest2723460-21kworker/0:1+events22:21:260
266589399249012,2475cyclictest2759422-21kworker/3:3+events00:21:443
26658889924908,2478cyclictest2694837-21kworker/2:0+events20:51:072
266588599249012,2474cyclictest2718712-21kworker/1:2+events21:54:231
266588899248911,2474cyclictest2717177-21kworker/2:1+events21:48:452
266588399248912,2473cyclictest2693090-21kworker/0:1+events20:36:420
266588399248812,2473cyclictest2752729-21kworker/0:1+events23:44:030
266588899248512,2469cyclictest2669102-21kworker/2:2+events19:27:322
266588399248512,2471cyclictest2680518-21kworker/0:1+events20:00:070
266588899248412,2468cyclictest2743201-21kworker/2:1+events23:09:002
266588899248412,2468cyclictest2707813-21kworker/2:0+events21:23:372
266588899248412,2468cyclictest2677239-21kworker/2:2+events19:46:332
266588899248412,2468cyclictest2672649-21kworker/2:1+events19:40:462
266588899248312,2468cyclictest2738119-21kworker/2:1+events22:55:152
266588899248312,2468cyclictest2669102-21kworker/2:2+events19:24:272
266588899248312,2467cyclictest2677239-21kworker/2:2+events19:57:472
26658889924829,2470cyclictest2689855-21kworker/2:2+events20:27:192
266588899248211,2467cyclictest2725031-21kworker/2:0+events22:35:532
266588399248211,2468cyclictest2745018-21kworker/0:0+events23:24:370
266588899248112,2467cyclictest2694837-21kworker/2:0+events20:45:042
266589399248011,2465cyclictest2737868-21kworker/3:2+events22:53:003
266588399248012,2464cyclictest2736636-21kworker/0:3+events22:54:080
26658889924795,2470cyclictest2725031-21kworker/2:0+events22:43:312
266588899247912,2463cyclictest2752669-21kworker/2:1+events23:40:352
266588899247912,2463cyclictest2728345-21kworker/2:2+events22:26:232
266588599247711,2464cyclictest2693177-21kworker/1:1+events20:35:141
26658839924769,2463cyclictest2754443-21kworker/0:2+events00:09:130
26658839924748,2462cyclictest2688578-21kworker/0:2+events20:54:340
26658889924734,2466cyclictest2723398-21kworker/2:2+events22:08:562
266588399247312,2458cyclictest2762347-21kworker/0:0+events00:11:290
266588399247312,2457cyclictest2716993-21kworker/0:2+events21:49:280
266588399247312,2457cyclictest2658932-21kworker/0:2+events19:22:580
266588599247211,2457cyclictest2734684-21kworker/1:0+events22:48:491
266588399247212,2457cyclictest2743383-21kworker/0:2+events23:10:550
266588899247012,2455cyclictest2740087-21kworker/2:0+events23:10:312
266588399246612,2451cyclictest2726756-21kworker/0:0+events22:25:140
266588899246212,2446cyclictest2758294-21kworker/2:0+events00:01:052
266588899246212,2446cyclictest2702438-21kworker/2:2+events21:05:582
266588899246112,2445cyclictest2751008-21kworker/2:2+events23:47:262
266588899245911,2444cyclictest2686615-21kworker/2:1+events20:12:112
266588899245810,2444cyclictest2677239-21kworker/2:2+events19:52:542
266588599245812,2441cyclictest2757380-21kworker/1:0+events00:25:291
266588599245812,2441cyclictest2757380-21kworker/1:0+events00:25:281
266588899245511,2440cyclictest2713980-21kworker/2:0+events21:39:592
266588899245412,2438cyclictest2713980-21kworker/2:0+events21:43:022
26658889924495,2440cyclictest2705989-21kworker/2:3+events21:55:322
266588399244612,2430cyclictest2770267-21kworker/0:2+events00:36:260
266588899244512,2429cyclictest2762252-21kworker/2:1+events00:28:102
266588899244512,2429cyclictest2762252-21kworker/2:1+events00:28:102
266588399244512,2429cyclictest2688578-21kworker/0:2+events20:32:380
266588399244510,2432cyclictest2685220-21kworker/0:0+events20:12:330
266589399243912,2423cyclictest2689877-21kworker/3:1+events20:26:573
266588599243712,2422cyclictest2680368-21kworker/1:1+events19:59:191
266588599243710,2423cyclictest2708793-21kworker/1:2+events21:22:261
266588599243612,2420cyclictest2757380-21kworker/1:0+events00:16:041
266588599243610,2420cyclictest2759020-21kworker/1:2+events00:00:211
26658939924358,2424cyclictest2723493-21kworker/3:0+events22:09:423
266588599243513,2418cyclictest2752820-21kworker/1:1+events23:49:201
266588599243511,2420cyclictest2705889-21kworker/1:1+events21:19:221
266588599243412,2418cyclictest2683771-21kworker/1:0+events20:17:051
266588599243410,2421cyclictest2740096-21kworker/1:2+events23:07:291
266589399243313,2416cyclictest2696310-21kworker/3:2+events20:57:343
266589399243312,2418cyclictest2710656-21kworker/3:2+events21:31:133
266588599242714,2409cyclictest2717050-21kworker/1:0+events21:47:361
266588599242611,2411cyclictest2672325-21kworker/1:0+events19:38:511
266589399242411,2409cyclictest2744820-21kworker/3:1+events23:13:353
266589399242012,2404cyclictest2699507-21kworker/3:1+events20:54:573
266588899241812,2403cyclictest2702438-21kworker/2:2+events21:01:252
266588399241812,2402cyclictest2759264-21kworker/0:1+events00:04:550
266588599241612,2400cyclictest2746319-21kworker/1:2+events23:26:551
266588599241412,2399cyclictest2683771-21kworker/1:0+events20:40:551
266588599241410,2401cyclictest2746319-21kworker/1:2+events23:32:161
26658839924149,2402cyclictest2672295-21kworker/0:0+events19:36:340
266589399241212,2396cyclictest2771845-21kworker/3:1+events00:38:183
266588599241212,2397cyclictest2770357-21kworker/1:0+events00:36:481
266588599241212,2396cyclictest2697758-21kworker/1:1+events20:58:451
266588599241212,2396cyclictest2697758-21kworker/1:1+events20:47:201
266588599241212,2396cyclictest2682118-21kworker/1:2+events20:13:421
266588599241211,2397cyclictest2752820-21kworker/1:1+events23:51:171
266588599241112,2396cyclictest2683771-21kworker/1:0+events20:50:231
266588599241110,2398cyclictest2732999-21kworker/1:1+events22:57:061
266588399241112,2395cyclictest2739711-21kworker/0:0+events23:06:200
26658859924109,2397cyclictest2723639-21kworker/1:0+events22:18:221
266588399241010,2396cyclictest2670487-21kworker/0:1+events19:28:380
266588599240912,2394cyclictest2718712-21kworker/1:2+events21:59:191
266588399240611,2391cyclictest2754443-21kworker/0:2+events23:49:440
266589399240412,2389cyclictest2746423-21kworker/3:2+events23:30:203
266589399240412,2388cyclictest2725089-21kworker/3:1+events22:21:013
26658839924037,2393cyclictest2768633-21kworker/0:1+events00:30:520
266589399240212,2388cyclictest2720248-21kworker/3:0+events22:00:273
26658939924014,2393cyclictest2683015-21kworker/3:2+events20:19:023
266589399240012,2386cyclictest2741626-21kworker/3:0+events23:20:033
266588899240012,2384cyclictest2665276-21kworker/2:0+events19:14:112
26658939923998,2387cyclictest2699507-21kworker/3:1+events21:07:073
266588899239812,2384cyclictest2743201-21kworker/2:1+events23:25:012
266588899239711,2383cyclictest2756188-21kworker/2:1+events23:52:252
266588599239710,2384cyclictest2710532-21kworker/1:1+events21:40:451
266588399239612,2380cyclictest2718651-21kworker/0:0+events21:57:240
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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