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2026-04-28 - 09:02

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 highest latencies:
System rackfslot7s.osadl.org (updated Tue Apr 28, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323577699331112,3295cyclictest3307275-21kworker/2:2+events22:55:142
323577899299015,2971cyclictest3276597-21kworker/3:1+events21:30:183
323577899281214,2794cyclictest3248959-21kworker/3:1+events20:10:203
323577899280713,2790cyclictest3326379-21kworker/3:2+events00:05:133
323576799276613,2749cyclictest3310365-21kworker/0:0+events23:05:130
323576799276613,2749cyclictest3310365-21kworker/0:0+events23:05:120
323576799276313,2747cyclictest3276683-21kworker/0:1+events21:15:200
323577899276212,2745cyclictest3321604-21kworker/3:3+events23:45:143
323576799271111,2696cyclictest3251943-21kworker/0:0+events20:16:450
323576799270113,2685cyclictest3257178-21kworker/0:1+events20:20:110
323576799269312,2677cyclictest3323087-21kworker/0:0+events23:40:160
323577899266513,2648cyclictest3302617-21kworker/3:2+events22:50:173
323577199263213,2615cyclictest3258635-21kworker/1:2+events20:56:181
323577699262412,2609cyclictest3307275-21kworker/2:2+events23:02:312
323577699262412,2609cyclictest3307275-21kworker/2:2+events23:02:312
32357789925799,2567cyclictest3305404-21kworker/3:1+events22:44:333
323577699255612,2541cyclictest3279589-21kworker/2:1+events21:25:172
323577899255212,2536cyclictest3302617-21kworker/3:2+events22:45:213
32357789925427,2531cyclictest3275001-21kworker/3:0+events21:19:543
323577899254012,2525cyclictest3295895-21kworker/3:1+events22:22:153
32357769925403,2533cyclictest3287478-21kworker/2:0+events22:18:252
323577699253912,2523cyclictest3273576-21kworker/2:0+events21:06:582
32357769925368,2525cyclictest3258727-21kworker/2:2+events20:27:322
323577899251812,2503cyclictest3315138-21kworker/3:2+events23:34:333
32357769925188,2507cyclictest3253507-21kworker/2:0+events20:07:422
323577699251410,2500cyclictest3299100-21kworker/2:2+events22:25:142
323577199250610,2493cyclictest3323070-21kworker/1:2+events23:43:201
323577899250412,2488cyclictest3285907-21kworker/3:1+events21:43:583
32357789924995,2490cyclictest3290890-21kworker/3:2+events22:00:273
323577899249212,2476cyclictest3287859-21kworker/3:0+events21:59:423
323577699249112,2476cyclictest3245360-21kworker/2:2+events19:48:522
323577899249012,2474cyclictest3276597-21kworker/3:1+events21:24:073
323577899248810,2474cyclictest3326379-21kworker/3:2+events00:01:073
323577899248612,2470cyclictest3334508-21kworker/3:1+events00:19:323
323577699248610,2473cyclictest3340825-21kworker/2:2+events00:38:002
323577899248512,2471cyclictest3243815-21kworker/3:1+events19:40:103
323577899248412,2468cyclictest3300905-21kworker/3:0+events22:36:563
323577899248411,2470cyclictest3321604-21kworker/3:3+events23:54:433
323577699248312,2468cyclictest3299100-21kworker/2:2+events22:21:502
323577899248211,2467cyclictest3271334-21kworker/3:2+events20:59:203
323577199248112,2465cyclictest3245451-21kworker/1:1+events20:03:331
323577899248010,2467cyclictest3240605-21kworker/3:0+events19:29:333
323577199247912,2464cyclictest3334716-21kworker/1:2+events00:15:231
32357679924799,2467cyclictest3264960-21kworker/0:2+events20:52:260
323577199247612,2461cyclictest3314953-21kworker/1:1+events23:18:581
323577199247412,2458cyclictest3285934-21kworker/1:1+events21:43:121
323577199247411,2459cyclictest3278147-21kworker/1:2+events21:18:471
323577899247112,2455cyclictest3240605-21kworker/3:0+events19:33:183
32357679924707,2459cyclictest3276683-21kworker/0:1+events21:21:510
323577899246812,2452cyclictest3254984-21kworker/3:0+events20:27:553
323577899246612,2451cyclictest3339495-21kworker/3:2+events00:30:333
323577899246612,2450cyclictest3336174-21kworker/3:2+events00:21:283
323577899246612,2450cyclictest3268482-21kworker/3:0+events20:51:163
323577899246510,2451cyclictest3264836-21kworker/3:2+events20:43:353
323577899246412,2449cyclictest3319823-21kworker/3:1+events23:39:533
323577199246112,2445cyclictest3268363-21kworker/1:1+events20:48:551
323577899246011,2446cyclictest3295895-21kworker/3:1+events22:14:343
323577899245812,2442cyclictest3295895-21kworker/3:1+events22:33:083
323577899245812,2442cyclictest3251766-21kworker/3:2+events19:58:593
323576799245812,2442cyclictest3305587-21kworker/0:2+events22:43:500
323577699245612,2440cyclictest3275201-21kworker/2:1+events21:13:482
323577899245512,2440cyclictest3271334-21kworker/3:2+events21:09:383
323577699245312,2437cyclictest3287478-21kworker/2:0+events21:47:032
323577899245112,2434cyclictest3341088-21kworker/3:0+events00:35:453
323577699245111,2436cyclictest3255105-21kworker/2:1+events20:19:492
323577699244912,2434cyclictest3304019-21kworker/2:1+events22:46:292
323577699244912,2433cyclictest3302390-21kworker/2:2+events22:34:382
323577699244911,2434cyclictest3230768-21kworker/2:1+events19:34:292
323576799244810,2436cyclictest3328144-21kworker/0:2+events00:15:020
323577699244714,2429cyclictest3329627-21kworker/2:0+events00:01:502
323577699244612,2431cyclictest3279589-21kworker/2:1+events21:22:382
323577699244512,2430cyclictest3269818-21kworker/2:1+events20:52:022
323577699244510,2432cyclictest3331266-21kworker/2:2+events00:08:382
323577699244412,2429cyclictest3333179-21kworker/2:0+events00:29:032
323577699244312,2427cyclictest3333179-21kworker/2:0+events00:23:232
323577699244211,2427cyclictest3264932-21kworker/2:2+events20:49:192
323577899244012,2424cyclictest3311930-21kworker/3:2+events23:05:593
323577899244012,2424cyclictest3311930-21kworker/3:2+events23:05:593
323577699244012,2425cyclictest3323252-21kworker/2:1+events00:13:532
323577699244011,2426cyclictest3283010-21kworker/2:1+events21:36:232
32357769924359,2422cyclictest3255105-21kworker/2:1+events20:14:262
323577899243412,2419cyclictest3302617-21kworker/3:2+events22:56:243
323577699243011,2415cyclictest3287478-21kworker/2:0+events22:09:582
323577199243012,2414cyclictest3283311-21kworker/1:0+events21:36:021
323577899242610,2413cyclictest3276597-21kworker/3:1+events21:27:123
323577699242512,2409cyclictest3323252-21kworker/2:1+events23:53:132
323576799242412,2408cyclictest3296076-21kworker/0:1+events22:57:110
323577199242212,2406cyclictest3310121-21kworker/1:2+events23:11:421
323576799240412,2388cyclictest3281564-21kworker/0:1+events21:36:450
323577199240212,2387cyclictest3243846-21kworker/1:2+events19:56:431
323577199240212,2386cyclictest3292639-21kworker/1:2+events22:07:391
323577199240112,2386cyclictest3290992-21kworker/1:1+events22:10:211
323577199240111,2386cyclictest3290992-21kworker/1:1+events22:24:511
323576799240012,2384cyclictest3268515-21kworker/0:1+events21:06:360
323577199239911,2385cyclictest3319854-21kworker/1:0+events23:58:061
32357679923999,2386cyclictest3251943-21kworker/0:0+events20:00:530
323576799239911,2385cyclictest3310365-21kworker/0:0+events23:01:000
323576799239911,2385cyclictest3310365-21kworker/0:0+events23:00:590
323576799239911,2384cyclictest3335992-21kworker/0:0+events00:29:250
323577199239712,2383cyclictest3256960-21kworker/1:0+events20:20:341
323576799239712,2381cyclictest3335992-21kworker/0:0+events00:21:040
323577199239612,2382cyclictest3271810-21kworker/1:3+events21:10:001
323577199239612,2381cyclictest3281434-21kworker/1:2+events21:31:021
323577199239610,2383cyclictest3262171-21kworker/1:0+events20:33:141
323576799239611,2382cyclictest3323087-21kworker/0:0+events00:00:000
323576799239512,2380cyclictest3237113-21kworker/0:2+events19:38:410
323577199239411,2380cyclictest3264775-21kworker/1:1+events20:40:311
323576799239411,2380cyclictest3251943-21kworker/0:0+events20:26:000
323577199239112,2376cyclictest3243846-21kworker/1:2+events19:39:021
323577199239111,2377cyclictest3319854-21kworker/1:0+events00:03:451
323576799239012,2374cyclictest3310365-21kworker/0:0+events23:16:400
323577199238912,2374cyclictest3314953-21kworker/1:1+events23:26:581
323577199238911,2375cyclictest3299398-21kworker/1:0+events22:31:591
323577199238911,2375cyclictest3279799-21kworker/1:1+events21:24:321
323577199238910,2376cyclictest3255045-21kworker/1:2+events20:09:121
323576799238912,2374cyclictest3296076-21kworker/0:1+events22:38:510
323576799238812,2372cyclictest3284372-21kworker/0:0+events21:42:010
323576799238810,2375cyclictest3294436-21kworker/0:2+events22:17:140
323576799238712,2372cyclictest3333884-21kworker/0:1+events00:11:340
323576799238712,2371cyclictest3289323-21kworker/0:0+events22:01:580
323576799238612,2371cyclictest3235407-21kworker/0:0+events19:23:490
323576799238512,2369cyclictest3299311-21kworker/0:0+events22:24:300
323576799238511,2371cyclictest3289323-21kworker/0:0+events21:55:270
323577699238311,2368cyclictest3304019-21kworker/2:1+events22:52:572
323577199238110,2368cyclictest3336321-21kworker/1:1+events00:25:401
323577199237711,2363cyclictest3233954-21kworker/1:2+events19:20:211
323577199237511,2361cyclictest3307189-21kworker/1:1+events22:59:511
323577199237511,2361cyclictest3239269-21kworker/1:0+events19:33:421
323576799237512,2361cyclictest3281564-21kworker/0:1+events21:31:260
323577699237211,2359cyclictest3271519-21kworker/2:2+events21:00:082
323577199237111,2357cyclictest3243846-21kworker/1:2+events19:40:341
323577199236812,2353cyclictest3310121-21kworker/1:2+events23:08:171
323577199236812,2353cyclictest3310121-21kworker/1:2+events23:08:171
323577199236512,2350cyclictest3319854-21kworker/1:0+events00:14:371
323576799236512,2350cyclictest3296076-21kworker/0:1+events22:25:390
323577699235411,2340cyclictest3323252-21kworker/2:1+events23:41:492
32357789923538,2342cyclictest3279829-21kworker/3:2+events21:38:173
323577899234912,2334cyclictest3334508-21kworker/3:1+events00:27:333
32357789923248,2313cyclictest3321604-21kworker/3:3+events23:41:023
323576799232411,2310cyclictest3261690-21kworker/0:1+events20:41:150
323576799232311,2308cyclictest3310365-21kworker/0:0+events23:20:300
32357719923219,2309cyclictest3319854-21kworker/1:0+events23:30:251
323577199232010,2307cyclictest3243846-21kworker/1:2+events19:51:091
323576799231612,2301cyclictest3261690-21kworker/0:1+events20:34:440
323577699231511,2301cyclictest3243636-21kworker/2:0+events19:35:592
323576799231412,2298cyclictest3275028-21kworker/0:0+events21:11:550
323576799229911,2285cyclictest3316526-21kworker/0:1+events23:26:370
323577899229010,2276cyclictest3254984-21kworker/3:0+events20:32:303
323576799228112,2266cyclictest3261690-21kworker/0:1+events20:38:340
323576799228011,2266cyclictest3273400-21kworker/0:2+events21:25:380
323577899227910,2265cyclictest3248959-21kworker/3:1+events20:08:283
323577899227411,2261cyclictest3291295-21kworker/3:3+events22:05:023
323577899227210,2258cyclictest3326379-21kworker/3:2+events23:58:303
323577899227110,2258cyclictest3310271-21kworker/3:1+events23:00:153
323577899227110,2258cyclictest3310271-21kworker/3:1+events23:00:143
323577899227110,2258cyclictest3264836-21kworker/3:2+events20:37:493
323577199227112,2256cyclictest3290992-21kworker/1:1+events21:57:461
323577699226911,2255cyclictest3251796-21kworker/2:2+events20:02:252
323577899226711,2253cyclictest3273304-21kworker/3:1+events21:03:133
323577899226710,2253cyclictest3266818-21kworker/3:1+events20:49:433
323577899226411,2250cyclictest3313534-21kworker/3:1+events23:10:103
323577899226411,2250cyclictest3295895-21kworker/3:1+events22:16:283
323577899226411,2250cyclictest3236964-21kworker/3:1+events19:19:123
323577699226410,2250cyclictest3277958-21kworker/2:0+events21:19:102
32357789922639,2250cyclictest3240605-21kworker/3:0+events19:54:313
323577899226311,2249cyclictest3319823-21kworker/3:1+events23:29:183
323577899226211,2248cyclictest3258667-21kworker/3:1+events20:20:583
323577899226110,2248cyclictest3247302-21kworker/3:2+events19:48:293
323577899225910,2246cyclictest3334508-21kworker/3:1+events00:13:303
323577899225510,2242cyclictest3251766-21kworker/3:2+events20:00:313
323576799224912,2234cyclictest3323087-21kworker/0:0+events00:07:520
32357789922488,2237cyclictest3285907-21kworker/3:1+events21:52:233
323577899224710,2233cyclictest3240605-21kworker/3:0+events19:38:193
323577899223910,2226cyclictest3275001-21kworker/3:0+events21:13:253
323577699223910,2226cyclictest3307275-21kworker/2:2+events23:28:532
323577199223912,2224cyclictest3305555-21kworker/1:0+events22:46:051
323577199223912,2223cyclictest3245451-21kworker/1:1+events20:15:351
323577899223811,2224cyclictest3254984-21kworker/3:0+events20:19:013
323577699223811,2223cyclictest3333179-21kworker/2:0+events00:34:382
323576799223810,2224cyclictest3305587-21kworker/0:2+events22:53:430
323577699223511,2221cyclictest3283010-21kworker/2:1+events21:50:272
323577699223310,2219cyclictest3260593-21kworker/2:0+events20:30:352
323577899223211,2219cyclictest3313534-21kworker/3:1+events23:15:303
323577699223211,2218cyclictest3321275-21kworker/2:0+events23:34:552
323577699223210,2219cyclictest3251796-21kworker/2:2+events19:57:292
323577699223111,2216cyclictest3230768-21kworker/2:1+events19:21:292
323577699223010,2216cyclictest3313564-21kworker/2:0+events23:12:042
32357769922279,2215cyclictest3292545-21kworker/2:1+events22:03:292
323577699222711,2214cyclictest3307275-21kworker/2:2+events23:15:082
323577699222711,2213cyclictest3307275-21kworker/2:2+events23:22:502
32357769922269,2213cyclictest3281190-21kworker/2:0+events21:34:302
323577699222511,2211cyclictest3258727-21kworker/2:2+events20:22:312
323577699222511,2211cyclictest3241055-21kworker/2:2+events19:29:092
323577699222511,2211cyclictest3230768-21kworker/2:1+events19:53:462
323577699222510,2212cyclictest3285877-21kworker/2:2+events21:42:492
323577699222510,2211cyclictest3236851-21kworker/2:2+events19:13:292
323577699222410,2210cyclictest3304019-21kworker/2:1+events22:39:142
323577699222311,2208cyclictest3313564-21kworker/2:0+events23:09:492
323577699222311,2208cyclictest3313564-21kworker/2:0+events23:09:482
32357769922229,2210cyclictest3230768-21kworker/2:1+events19:42:032
323577699222111,2207cyclictest3294409-21kworker/2:2+events22:11:322
323577699222111,2207cyclictest3263148-21kworker/2:1+events20:39:452
323577699221811,2204cyclictest3323252-21kworker/2:1+events23:46:212
323577699221710,2204cyclictest3230768-21kworker/2:1+events19:19:582
323577199221711,2203cyclictest3243846-21kworker/1:2+events19:46:571
323577899221310,2200cyclictest3230473-21kworker/3:2+events19:21:063
323577899220910,2197cyclictest3279829-21kworker/3:2+events21:45:083
323577699220310,2190cyclictest3287478-21kworker/2:0+events22:43:272
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323577199219910,2186cyclictest3326040-21kworker/1:1+events23:47:301
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323576799219911,2185cyclictest3250206-21kworker/0:2+events20:08:500
323577199219811,2184cyclictest3283311-21kworker/1:0+events21:51:591
323577199219811,2184cyclictest3230655-21kworker/1:1+events19:15:221
323577199219711,2182cyclictest3290992-21kworker/1:1+events22:27:511
323577199219710,2183cyclictest3310121-21kworker/1:2+events23:04:031
323577199219710,2183cyclictest3310121-21kworker/1:2+events23:04:031
323576799219711,2183cyclictest3235407-21kworker/0:0+events19:13:500
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32357719921949,2181cyclictest3314953-21kworker/1:1+events23:22:271
32357679921948,2183cyclictest3268515-21kworker/0:1+events21:00:300
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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