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2026-07-10 - 16:47

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 Fri Jul 10, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11784099307815,3057cyclictest122743-21kworker/3:1+events19:25:133
1178349929846,2974cyclictest156585-21kworker/1:0+events21:20:221
11783499289613,2881cyclictest168171-21kworker/1:1+events21:55:211
11784099287415,2856cyclictest137386-21kworker/3:2+events20:14:493
1178319928100,2806cyclictest135784-21kworker/0:1+events20:49:050
11784099279913,2782cyclictest197266-21kworker/3:1+events23:15:563
11783199279913,2782cyclictest132495-21kworker/0:2+events20:01:030
11783199279813,2781cyclictest181156-21kworker/0:2+events22:40:110
11783199279413,2777cyclictest211572-21kworker/0:0+events00:01:090
11783199279413,2777cyclictest171153-21kworker/0:0+events22:14:060
11783199277913,2762cyclictest154757-21kworker/0:1+events21:07:060
11783199277313,2756cyclictest171153-21kworker/0:0+events21:55:440
11783199276813,2751cyclictest171153-21kworker/0:0+events22:24:160
11783199276512,2749cyclictest198695-21kworker/0:2+events23:37:580
11783499275914,2741cyclictest210148-21kworker/1:0+events23:58:281
11784099275613,2738cyclictest150155-21kworker/3:1+events21:00:003
1178319927469,2733cyclictest135784-21kworker/0:1+events20:23:130
1178319927469,2733cyclictest135784-21kworker/0:1+events20:23:130
11783699273715,2718cyclictest205154-21kworker/2:0+events23:40:142
11783199273713,2720cyclictest171153-21kworker/0:0+events22:01:310
11783199273113,2714cyclictest119259-21kworker/0:2+events19:36:410
11783499273013,2715cyclictest222925-21kworker/1:1+events00:35:091
11783499271313,2697cyclictest156585-21kworker/1:0+events21:14:171
11783699270213,2687cyclictest188910-21kworker/2:1+events23:00:202
11783499270113,2686cyclictest160348-21kworker/1:1+events21:25:181
11783699270013,2683cyclictest143395-21kworker/2:1+events20:28:342
11783699269513,2678cyclictest168295-21kworker/2:0+events21:50:492
11783499269413,2677cyclictest156585-21kworker/1:0+events22:06:531
11783699269113,2674cyclictest188910-21kworker/2:1+events22:49:122
11783199269113,2674cyclictest214815-21kworker/0:1+events00:09:240
11783199268812,2673cyclictest159971-21kworker/0:1+events21:37:050
11783199268713,2670cyclictest162892-21kworker/0:0+events21:30:150
1178349926869,2673cyclictest168171-21kworker/1:1+events21:47:021
11783699267413,2657cyclictest224401-21kworker/2:2+events00:39:192
11783499267412,2658cyclictest182693-21kworker/1:1+events22:34:491
11784099267213,2656cyclictest114284-21kworker/3:0+events19:19:103
11783699266413,2647cyclictest211481-21kworker/2:0+events23:57:442
11783699266411,2649cyclictest134507-21kworker/2:2+events20:11:232
11783499266413,2647cyclictest162951-21kworker/1:2+events21:30:391
11784099266313,2646cyclictest131156-21kworker/3:2+events19:57:353
11783699266113,2644cyclictest147244-21kworker/2:1+events20:50:142
11783699266011,2646cyclictest194096-21kworker/2:2+events23:05:182
11783499266013,2645cyclictest158433-21kworker/1:2+events21:15:041
11783499266013,2643cyclictest146837-21kworker/1:0+events20:48:221
11783499265913,2644cyclictest135482-21kworker/1:1+events20:16:231
11784099264213,2625cyclictest126329-21kworker/3:1+events19:38:583
11783199264013,2623cyclictest171153-21kworker/0:0+events22:09:550
11784099263312,2617cyclictest189087-21kworker/3:0+events22:56:523
11783699263312,2617cyclictest177735-21kworker/2:2+events22:21:362
11784099263113,2614cyclictest185814-21kworker/3:2+events22:52:403
11784099262313,2608cyclictest164799-21kworker/3:0+events21:45:313
11784099262213,2605cyclictest148557-21kworker/3:2+events20:45:433
11783699261410,2600cyclictest182610-21kworker/2:0+events22:30:172
11783699261312,2597cyclictest131011-21kworker/2:2+events19:50:002
11783699261113,2594cyclictest176046-21kworker/2:0+events22:18:592
11784099260812,2592cyclictest208341-21kworker/3:1+events00:14:173
11784099260812,2592cyclictest143679-21kworker/3:0+events20:39:163
1178319925889,2575cyclictest194005-21kworker/0:0+events23:04:100
11783499258513,2568cyclictest156585-21kworker/1:0+events21:41:191
11783199258312,2567cyclictest132495-21kworker/0:2+events19:56:500
11784099258011,2565cyclictest131156-21kworker/3:2+events19:54:543
11783199258012,2564cyclictest138629-21kworker/0:0+events20:15:130
11783199257812,2562cyclictest168305-21kworker/0:3+events21:49:190
11783499257713,2560cyclictest146837-21kworker/1:0+events20:59:371
11783199257612,2560cyclictest130863-21kworker/0:1+events19:49:370
11783199257512,2559cyclictest168305-21kworker/0:3+events21:54:360
11783199257212,2556cyclictest195967-21kworker/0:0+events23:22:310
11783199257111,2557cyclictest214815-21kworker/0:1+events00:10:510
11784099256812,2552cyclictest184056-21kworker/3:1+events22:31:473
11783499256812,2553cyclictest178031-21kworker/1:0+events22:23:521
11783199256811,2554cyclictest188790-21kworker/0:0+events22:46:560
1178409925646,2554cyclictest185814-21kworker/3:2+events22:46:133
11783199256212,2546cyclictest138629-21kworker/0:0+events20:11:470
11784099256012,2544cyclictest159814-21kworker/3:0+events21:19:383
11783199255712,2542cyclictest211572-21kworker/0:0+events23:59:350
11783199255712,2542cyclictest154757-21kworker/0:1+events21:02:580
11783199255712,2542cyclictest112919-21kworker/0:1+events19:16:550
11783199255712,2541cyclictest135784-21kworker/0:1+events20:29:400
11783199255612,2541cyclictest171153-21kworker/0:0+events22:25:210
11783199255612,2540cyclictest216728-21kworker/0:0+events00:18:290
11783199255610,2543cyclictest194186-21kworker/0:3+events23:07:110
11784099255512,2539cyclictest200172-21kworker/3:0+events23:41:243
11783199255412,2538cyclictest218393-21kworker/0:2+events00:37:470
11783199255312,2538cyclictest206538-21kworker/0:1+events23:52:440
1178319925509,2537cyclictest192320-21kworker/0:1+events23:13:160
11783199255012,2534cyclictest159971-21kworker/0:1+events21:21:530
11783699254712,2531cyclictest219687-21kworker/2:0+events00:24:572
11783199254712,2531cyclictest188790-21kworker/0:0+events22:54:350
11783199254612,2530cyclictest135784-21kworker/0:1+events20:38:550
1178319925458,2533cyclictest158334-21kworker/0:0+events21:18:520
11783199254512,2529cyclictest222895-21kworker/0:0+events00:34:450
11783199254312,2528cyclictest119259-21kworker/0:2+events19:24:510
11783199254210,2529cyclictest154757-21kworker/0:1+events21:10:500
11783199254011,2526cyclictest200324-21kworker/0:1+events23:34:050
11783199253912,2523cyclictest190714-21kworker/0:2+events22:57:170
11783199252712,2512cyclictest203876-21kworker/0:0+events23:44:270
11783199252412,2509cyclictest148405-21kworker/0:0+events20:44:340
11784099252212,2507cyclictest208341-21kworker/3:1+events00:05:393
11783199252012,2504cyclictest214815-21kworker/0:1+events00:22:180
1178409925169,2504cyclictest135725-21kworker/3:0+events20:09:543
11783699250812,2492cyclictest158453-21kworker/2:1+events21:19:152
11783199250512,2491cyclictest159971-21kworker/0:1+events21:40:110
11783699250312,2488cyclictest198597-21kworker/2:2+events23:19:472
11784099249912,2483cyclictest131156-21kworker/3:2+events20:02:133
11783699249911,2485cyclictest201831-21kworker/2:1+events23:33:212
11783499249813,2482cyclictest153319-21kworker/1:1+events21:00:241
11783199249612,2481cyclictest130863-21kworker/0:1+events19:53:040
11783199249412,2480cyclictest198695-21kworker/0:2+events23:26:390
11784099249312,2478cyclictest210315-21kworker/3:2+events00:01:323
11783199249312,2477cyclictest132495-21kworker/0:2+events20:09:290
11783199249312,2477cyclictest121297-21kworker/0:0+events19:31:180
11783199249212,2477cyclictest218393-21kworker/0:2+events00:27:160
11783199249212,2477cyclictest206538-21kworker/0:1+events23:46:420
11783199249212,2476cyclictest181156-21kworker/0:2+events22:38:400
11783199249212,2476cyclictest119259-21kworker/0:2+events19:29:430
11784099249114,2474cyclictest200172-21kworker/3:0+events23:30:443
11784099248712,2471cyclictest185814-21kworker/3:2+events22:43:573
11783199248411,2470cyclictest127634-21kworker/0:1+events19:41:150
11783199248410,2471cyclictest135784-21kworker/0:1+events20:53:140
11784099248212,2466cyclictest192285-21kworker/3:1+events23:01:283
11784099247513,2459cyclictest218148-21kworker/3:2+events00:20:453
11784099247512,2459cyclictest126329-21kworker/3:1+events19:41:393
11783699247212,2454cyclictest132609-21kworker/2:0+events20:00:192
1178369924718,2459cyclictest190834-21kworker/2:2+events22:56:292
1178349924698,2458cyclictest164558-21kworker/1:1+events21:35:101
11783499246912,2453cyclictest135482-21kworker/1:1+events20:20:571
11783499246912,2453cyclictest135482-21kworker/1:1+events20:20:561
11783499246812,2452cyclictest203307-21kworker/1:0+events23:31:501
11783199246810,2454cyclictest151981-21kworker/0:0+events20:57:470
11783499246612,2451cyclictest189030-21kworker/1:1+events23:10:381
11783699246512,2449cyclictest140503-21kworker/2:0+events20:33:092
11783499246510,2451cyclictest120541-21kworker/1:2+events19:17:401
11783199246411,2450cyclictest171153-21kworker/0:0+events22:31:250
11783499246111,2446cyclictest176164-21kworker/1:1+events22:19:211
11783699245912,2444cyclictest132609-21kworker/2:0+events19:57:122
11783499245911,2445cyclictest189030-21kworker/1:1+events23:04:571
11783699245812,2443cyclictest211481-21kworker/2:0+events00:11:372
1178369924573,2450cyclictest154847-21kworker/2:2+events21:08:152
11783699245412,2438cyclictest172752-21kworker/2:1+events22:01:522
1178369924519,2438cyclictest174380-21kworker/2:2+events22:05:192
11783499245112,2436cyclictest211778-21kworker/1:2+events00:04:531
1178349924458,2434cyclictest127875-21kworker/1:2+events19:40:281
11783499244412,2428cyclictest146837-21kworker/1:0+events20:52:511
11784099244310,2430cyclictest208341-21kworker/3:1+events23:51:113
11783499243911,2424cyclictest174413-21kworker/1:2+events22:03:251
1178369924375,2428cyclictest164651-21kworker/2:2+events21:33:412
11783699243712,2422cyclictest132609-21kworker/2:0+events20:05:212
11783499243712,2422cyclictest146837-21kworker/1:0+events20:36:581
11783499243712,2421cyclictest184355-21kworker/1:2+events22:42:041
11783499243710,2424cyclictest214693-21kworker/1:1+events00:23:461
11783699243612,2420cyclictest164651-21kworker/2:2+events21:42:522
11783699243612,2420cyclictest163046-21kworker/2:1+events21:38:382
11783699243512,2420cyclictest168295-21kworker/2:0+events21:58:262
11783699243512,2419cyclictest188910-21kworker/2:1+events22:54:582
11783499243512,2420cyclictest192528-21kworker/1:2+events23:09:521
11783499243512,2419cyclictest120541-21kworker/1:2+events19:20:191
11783699243412,2418cyclictest119230-21kworker/2:0+events19:24:282
11783499243412,2420cyclictest168171-21kworker/1:1+events21:50:251
11783499243412,2419cyclictest153319-21kworker/1:1+events21:05:341
11783499243312,2418cyclictest146837-21kworker/1:0+events20:41:331
1178349924327,2421cyclictest135482-21kworker/1:1+events20:07:581
11783499243212,2416cyclictest180977-21kworker/1:2+events22:26:311
11783499243212,2416cyclictest126239-21kworker/1:0+events19:34:451
11783499243210,2418cyclictest141946-21kworker/1:2+events20:32:221
11784099242910,2416cyclictest193974-21kworker/3:2+events23:05:413
11783499242811,2413cyclictest184355-21kworker/1:2+events22:37:311
1178349924278,2415cyclictest135482-21kworker/1:1+events20:11:001
11783699242512,2410cyclictest205154-21kworker/2:0+events23:46:202
11783699242511,2410cyclictest124188-21kworker/2:1+events19:37:252
11784099242411,2409cyclictest126329-21kworker/3:1+events19:45:493
11784099242312,2407cyclictest193974-21kworker/3:2+events23:14:483
11783699242211,2407cyclictest150033-21kworker/2:2+events20:47:372
11783699242112,2406cyclictest140503-21kworker/2:0+events20:21:432
11783699242112,2406cyclictest140503-21kworker/2:0+events20:21:432
11783699241911,2405cyclictest168295-21kworker/2:0+events21:48:552
11783699241512,2399cyclictest140503-21kworker/2:0+events20:36:342
11784099241312,2397cyclictest158181-21kworker/3:1+events21:12:013
11783699241110,2397cyclictest177735-21kworker/2:2+events22:27:402
11783499241110,2397cyclictest203670-21kworker/1:2+events23:50:241
11783199241110,2397cyclictest192320-21kworker/0:1+events23:15:110
11784099241012,2395cyclictest119382-21kworker/3:3+events19:22:573
1178369924109,2398cyclictest140503-21kworker/2:0+events20:44:572
11783699240812,2392cyclictest206777-21kworker/2:1+events23:53:532
11783699240811,2393cyclictest196971-21kworker/2:1+events23:11:472
11783699240711,2394cyclictest127693-21kworker/2:2+events19:40:062
11784099240511,2390cyclictest163075-21kworker/3:1+events21:38:163
11784099240412,2388cyclictest119382-21kworker/3:3+events19:33:133
11783499240311,2389cyclictest189030-21kworker/1:1+events22:59:571
11783699240212,2387cyclictest124188-21kworker/2:1+events19:52:402
11784099240012,2384cyclictest137386-21kworker/3:2+events20:33:543
11783499240010,2386cyclictest122657-21kworker/1:1+events19:46:351
11784099239912,2383cyclictest161473-21kworker/3:2+events21:32:113
11783699239812,2382cyclictest134507-21kworker/2:2+events20:19:252
1178409923979,2385cyclictest174319-21kworker/3:1+events22:15:363
11783499239711,2382cyclictest130799-21kworker/1:0+events20:00:421
11784099239612,2380cyclictest214637-21kworker/3:0+events00:16:573
11784099239612,2380cyclictest135725-21kworker/3:0+events20:18:173
11783699239512,2379cyclictest172752-21kworker/2:1+events22:11:512
11784099239412,2378cyclictest158181-21kworker/3:1+events21:20:453
1178409923937,2383cyclictest171540-21kworker/3:0+events22:01:083
11784099239312,2377cyclictest174319-21kworker/3:1+events22:20:513
11783699239112,2375cyclictest214876-21kworker/2:2+events00:25:432
11783499239112,2375cyclictest214693-21kworker/1:1+events00:09:031
11784099238912,2373cyclictest200172-21kworker/3:0+events23:39:063
11783499238512,2370cyclictest130799-21kworker/1:0+events19:50:461
11783699238212,2366cyclictest214876-21kworker/2:2+events00:18:542
11783499237612,2360cyclictest221270-21kworker/1:2+events00:34:241
11784099237311,2359cyclictest137386-21kworker/3:2+events20:24:213
11784099237311,2359cyclictest137386-21kworker/3:2+events20:24:203
11783499237310,2359cyclictest208221-21kworker/1:1+events23:48:541
11783699236812,2353cyclictest156501-21kworker/2:0+events21:27:362
11783699236712,2352cyclictest177735-21kworker/2:2+events22:40:352
11783699236511,2350cyclictest147244-21kworker/2:1+events20:55:302
11783499236512,2349cyclictest214693-21kworker/1:1+events00:12:461
11783699236312,2348cyclictest201831-21kworker/2:1+events23:37:112
1178369923577,2346cyclictest213248-21kworker/2:1+events00:07:322
11783699235611,2342cyclictest124188-21kworker/2:1+events19:28:562
11783499235611,2342cyclictest189030-21kworker/1:1+events22:52:181
11783499235412,2338cyclictest196942-21kworker/1:0+events23:16:181
11784099235312,2338cyclictest150155-21kworker/3:1+events20:53:593
11783699235211,2337cyclictest154847-21kworker/2:2+events21:04:502
11783499235210,2338cyclictest140259-21kworker/1:0+events20:26:381
11783499235112,2336cyclictest200514-21kworker/1:3+events23:35:371
11783499234912,2334cyclictest117731-21kworker/1:1+events19:13:341
11783499234912,2333cyclictest187313-21kworker/1:0+events22:45:261
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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