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2026-08-15 - 19:40

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 Sat Aug 15, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
37334199350813,3488cyclictest444409-21kworker/1:0+events22:55:171
37334799310814,3090cyclictest465091-21kworker/3:2+events00:10:103
37334799309415,3076cyclictest462277-21kworker/3:1+events23:50:013
37334799300314,2985cyclictest379655-21kworker/3:2+events19:30:113
37333799299514,2977cyclictest479426-21kworker/0:0+events00:37:220
37333799296314,2943cyclictest409087-21kworker/0:2+events21:00:180
37334199289113,2873cyclictest471545-21kworker/1:1+events00:20:181
37334799288512,2869cyclictest390780-21kworker/3:0+events20:25:173
37334399288114,2864cyclictest374636-21kworker/2:1+events19:20:212
37334399287713,2860cyclictest454331-21kworker/2:0+events23:30:122
37334799287514,2857cyclictest404395-21kworker/3:0+events20:46:133
37334399285010,2836cyclictest378295-21kworker/2:2+events19:28:152
3733419928486,2839cyclictest460545-21kworker/1:2+events23:41:141
37333799283911,2824cyclictest404338-21kworker/0:0+events20:50:190
37334199283413,2817cyclictest374514-21kworker/1:1+events19:41:581
37333799282913,2814cyclictest394354-21kworker/0:0+events20:15:040
37333799282814,2810cyclictest441441-21kworker/0:3+events22:47:360
37334799280712,2791cyclictest434776-21kworker/3:0+events22:25:193
37334199277913,2762cyclictest417028-21kworker/1:0+events21:30:161
37334799277714,2759cyclictest456015-21kworker/3:0+events23:50:453
37334199277212,2756cyclictest437864-21kworker/1:2+events22:28:191
37333799276713,2750cyclictest462129-21kworker/0:2+events23:43:540
37333799275413,2737cyclictest402686-21kworker/0:2+events20:40:520
37334399275313,2736cyclictest420452-21kworker/2:2+events21:39:502
37334399275313,2736cyclictest420452-21kworker/2:2+events21:39:502
37334399275013,2733cyclictest428191-21kworker/2:1+events22:13:302
37334399275013,2733cyclictest415623-21kworker/2:1+events21:28:462
37334399274912,2733cyclictest389147-21kworker/2:0+events20:25:402
37334799274713,2730cyclictest400961-21kworker/3:2+events21:01:063
37333799274513,2728cyclictest415436-21kworker/0:0+events21:24:120
37334399273713,2720cyclictest479048-21kworker/2:0+events00:36:142
37334399273613,2719cyclictest435017-21kworker/2:0+events22:21:082
37334399273513,2718cyclictest450924-21kworker/2:2+events23:24:542
37333799273413,2717cyclictest473236-21kworker/0:1+events00:22:080
37334799273213,2715cyclictest439721-21kworker/3:2+events22:36:383
37334199272913,2713cyclictest402595-21kworker/1:2+events20:59:571
37334799271812,2702cyclictest398903-21kworker/3:1+events20:30:123
37334199271812,2703cyclictest454030-21kworker/1:1+events23:51:321
37334399271513,2698cyclictest412409-21kworker/2:0+events21:13:372
37334399271513,2698cyclictest389147-21kworker/2:0+events20:21:542
37334399271413,2697cyclictest422084-21kworker/2:0+events21:58:332
37334399271313,2696cyclictest471515-21kworker/2:2+events00:11:402
37334399271313,2696cyclictest449237-21kworker/2:1+events23:03:432
37334799271113,2694cyclictest456015-21kworker/3:0+events23:39:433
37334399271113,2694cyclictest417247-21kworker/2:2+events21:24:592
37334199271113,2696cyclictest431870-21kworker/1:1+events22:15:031
37334199271113,2694cyclictest368223-21kworker/1:0+events19:17:411
37334399271012,2695cyclictest389147-21kworker/2:0+events20:00:582
37334399270813,2691cyclictest476609-21kworker/2:2+events00:34:422
37334399270813,2690cyclictest392821-21kworker/2:2+events20:14:182
37334399270712,2691cyclictest471515-21kworker/2:2+events00:18:062
37334399270613,2689cyclictest437852-21kworker/2:1+events22:31:182
37334399270612,2690cyclictest405874-21kworker/2:2+events21:07:342
37334799270413,2687cyclictest392733-21kworker/3:2+events20:18:073
37334399270413,2687cyclictest407942-21kworker/2:0+events20:57:372
37334399270313,2686cyclictest466663-21kworker/2:0+events23:57:382
37334399270313,2686cyclictest400930-21kworker/2:1+events20:48:272
37334399270213,2685cyclictest457165-21kworker/2:1+events23:27:532
37334399270013,2683cyclictest466663-21kworker/2:0+events00:05:332
37334399270013,2683cyclictest410684-21kworker/2:1+events21:01:292
37333799270013,2683cyclictest381517-21kworker/0:3+events19:52:130
37334399269812,2683cyclictest439480-21kworker/2:0+events23:11:162
37334199269513,2679cyclictest451470-21kworker/1:2+events23:12:461
37334399269313,2678cyclictest423790-21kworker/2:1+events21:50:072
37334799268913,2671cyclictest418817-21kworker/3:2+events21:29:103
37333799268413,2667cyclictest465516-21kworker/0:0+events00:04:470
37333799268412,2668cyclictest438121-21kworker/0:0+events22:34:430
37334799268312,2667cyclictest434776-21kworker/3:0+events22:43:273
37333799268213,2666cyclictest409087-21kworker/0:2+events20:56:500
37334799268110,2667cyclictest390780-21kworker/3:0+events20:04:213
37334199268012,2665cyclictest420295-21kworker/1:2+events21:42:311
37334799267913,2664cyclictest478093-21kworker/3:2+events00:35:053
37333799267612,2661cyclictest401050-21kworker/0:0+events20:37:290
37334799267512,2659cyclictest384575-21kworker/3:1+events19:57:343
37333799267513,2659cyclictest410925-21kworker/0:1+events21:07:120
37333799267513,2658cyclictest469938-21kworker/0:1+events00:08:350
37333799267512,2659cyclictest387574-21kworker/0:0+events19:57:580
37333799267313,2658cyclictest430114-21kworker/0:1+events22:05:060
37333799267313,2656cyclictest389208-21kworker/0:1+events20:03:350
3733419926716,2661cyclictest474850-21kworker/1:2+events00:26:451
37334199267115,2653cyclictest384469-21kworker/1:2+events19:53:451
37334399267013,2653cyclictest439480-21kworker/2:0+events22:40:492
37333799266813,2651cyclictest402686-21kworker/0:2+events20:47:200
37334199266713,2650cyclictest471545-21kworker/1:1+events00:16:581
37334799266412,2648cyclictest466755-21kworker/3:1+events23:58:003
37334199266412,2648cyclictest389320-21kworker/1:1+events20:03:141
37333799266413,2649cyclictest394354-21kworker/0:0+events20:20:020
37333799266311,2648cyclictest384336-21kworker/0:0+events19:44:390
37334799266113,2644cyclictest400961-21kworker/3:2+events21:19:143
37333799266113,2644cyclictest449206-21kworker/0:0+events23:16:340
37334799266011,2645cyclictest384575-21kworker/3:1+events20:07:003
37333799266010,2646cyclictest446367-21kworker/0:1+events23:07:330
37334799265910,2646cyclictest470087-21kworker/3:1+events00:15:273
37333799265911,2644cyclictest433293-21kworker/0:2+events22:24:570
37334799265313,2636cyclictest400961-21kworker/3:2+events20:36:433
37334799265311,2638cyclictest386221-21kworker/3:0+events19:51:283
37334799265213,2635cyclictest449266-21kworker/3:1+events23:02:113
37334799265213,2635cyclictest444501-21kworker/3:2+events22:55:403
37334799265212,2636cyclictest451016-21kworker/3:0+events23:13:323
37333799265213,2636cyclictest434985-21kworker/0:1+events22:29:030
37334799265110,2637cyclictest470087-21kworker/3:1+events00:32:013
37334799265013,2633cyclictest426621-21kworker/3:0+events21:56:153
37334799264913,2632cyclictest420578-21kworker/3:3+events21:37:323
37334799264913,2632cyclictest420578-21kworker/3:3+events21:37:313
37334799264813,2632cyclictest400961-21kworker/3:2+events20:52:153
37333799264613,2631cyclictest473236-21kworker/0:1+events00:26:220
37334399264513,2628cyclictest389147-21kworker/2:0+events19:58:402
37334199264413,2627cyclictest425117-21kworker/1:1+events22:01:381
37334799264113,2624cyclictest456015-21kworker/3:0+events23:32:063
37334799263913,2622cyclictest442839-21kworker/3:1+events22:50:393
37333799263713,2620cyclictest452670-21kworker/0:2+events23:32:290
37334199263613,2619cyclictest402595-21kworker/1:2+events21:04:531
37334399263513,2619cyclictest397589-21kworker/2:2+events20:31:002
37334199263413,2618cyclictest454030-21kworker/1:1+events23:32:531
37334199263413,2617cyclictest390970-21kworker/1:2+events20:11:581
37334199263313,2616cyclictest455712-21kworker/1:2+events23:25:171
37334199263312,2617cyclictest390970-21kworker/1:2+events20:16:581
37334199263213,2615cyclictest374514-21kworker/1:1+events19:25:131
37334199263212,2616cyclictest418668-21kworker/1:1+events21:37:101
37334199263212,2616cyclictest418668-21kworker/1:1+events21:37:101
37334399263112,2615cyclictest374636-21kworker/2:1+events19:17:162
37334199263111,2616cyclictest411015-21kworker/1:1+events21:16:561
37334799262911,2614cyclictest438106-21kworker/3:1+events22:32:263
37333799262713,2610cyclictest454300-21kworker/0:1+events23:20:430
37334199262612,2611cyclictest441116-21kworker/1:2+events22:42:451
37334199262513,2610cyclictest423501-21kworker/1:0+events21:45:121
37334199262313,2606cyclictest411015-21kworker/1:1+events21:13:151
3733419926226,2613cyclictest446274-21kworker/1:1+events23:08:191
37334199262113,2606cyclictest437864-21kworker/1:2+events22:30:111
37334199262012,2605cyclictest389320-21kworker/1:1+events20:05:311
37334399261913,2602cyclictest422084-21kworker/2:0+events21:40:372
37334399261912,2603cyclictest389147-21kworker/2:0+events20:16:342
37334799261612,2601cyclictest390780-21kworker/3:0+events20:20:253
37334199261112,2595cyclictest425117-21kworker/1:1+events21:54:211
37334199260812,2594cyclictest467367-21kworker/1:1+events00:05:111
37334399259010,2576cyclictest446307-21kworker/2:2+events22:57:592
37334199258112,2565cyclictest478060-21kworker/1:0+events00:34:191
37333799258112,2565cyclictest399415-21kworker/0:1+events20:32:310
37334199257912,2563cyclictest414484-21kworker/1:2+events21:21:081
37334199257815,2561cyclictest379669-21kworker/1:0+events19:30:331
37334199257812,2563cyclictest400982-21kworker/1:1+events20:33:421
37334199257712,2562cyclictest441116-21kworker/1:2+events22:45:211
37334199257612,2562cyclictest368223-21kworker/1:0+events19:20:441
37334199257612,2560cyclictest431870-21kworker/1:1+events22:22:171
37334199257412,2559cyclictest441116-21kworker/1:2+events22:51:241
37334199257412,2559cyclictest399356-21kworker/1:2+events20:28:401
37334199257212,2556cyclictest449808-21kworker/1:0+events23:16:581
37334199257111,2556cyclictest469936-21kworker/1:2+events00:13:101
37334199256912,2553cyclictest418668-21kworker/1:1+events21:29:321
37334199256812,2553cyclictest402595-21kworker/1:2+events20:44:191
37333799256012,2545cyclictest371239-21kworker/0:1+events19:21:070
37334799255111,2536cyclictest384575-21kworker/3:1+events19:45:463
37334199255112,2535cyclictest384469-21kworker/1:2+events19:46:541
37334799255012,2534cyclictest371460-21kworker/3:0+events19:27:073
37334799254911,2534cyclictest468460-21kworker/3:0+events00:02:563
37334399254611,2532cyclictest383010-21kworker/2:0+events19:40:492
37334199254613,2529cyclictest405882-21kworker/1:0+events20:53:231
37333799254210,2528cyclictest420363-21kworker/0:0+events21:44:500
37334399252711,2512cyclictest431656-21kworker/2:2+events22:08:542
37333799251711,2502cyclictest420363-21kworker/0:0+events21:33:430
37334799251613,2501cyclictest382953-21kworker/3:2+events19:40:033
37334799251113,2494cyclictest465091-21kworker/3:2+events00:07:493
3733379925073,2500cyclictest417128-21kworker/0:1+events21:36:260
3733379925073,2500cyclictest417128-21kworker/0:1+events21:36:260
37334399250511,2490cyclictest378295-21kworker/2:2+events19:39:402
3733439925028,2492cyclictest450924-21kworker/2:2+events23:15:062
37334799250112,2485cyclictest410719-21kworker/3:1+events21:05:183
3733419924984,2490cyclictest397498-21kworker/1:1+events20:21:301
37334399249412,2478cyclictest439480-21kworker/2:0+events22:54:082
37334399249410,2480cyclictest431656-21kworker/2:2+events22:25:412
37334199249412,2480cyclictest439490-21kworker/1:0+events22:35:071
37334199249412,2479cyclictest402595-21kworker/1:2+events20:39:461
3733379924946,2484cyclictest452670-21kworker/0:2+events23:27:090
37334199249310,2479cyclictest368223-21kworker/1:0+events19:12:221
37334799249111,2477cyclictest452638-21kworker/3:2+events23:27:313
37334199249012,2476cyclictest428401-21kworker/1:0+events22:08:291
37334199249012,2475cyclictest462145-21kworker/1:0+events23:48:081
37334199248911,2475cyclictest467367-21kworker/1:1+events00:03:421
37333799248610,2472cyclictest441441-21kworker/0:3+events22:40:260
37334399248512,2469cyclictest460337-21kworker/2:2+events23:54:102
37334399248510,2473cyclictest405874-21kworker/2:2+events21:15:042
37334199248510,2471cyclictest402595-21kworker/1:2+events21:06:031
37334399248412,2468cyclictest422084-21kworker/2:0+events21:48:582
3733479924828,2470cyclictest371460-21kworker/3:0+events19:38:553
37334399248112,2465cyclictest439480-21kworker/2:0+events22:47:572
3733479924799,2466cyclictest452638-21kworker/3:2+events23:17:213
3733439924797,2468cyclictest384637-21kworker/2:1+events19:47:172
3733439924786,2468cyclictest390957-21kworker/2:1+events20:09:192
37334399247812,2463cyclictest473264-21kworker/2:1+events00:20:392
37334399247811,2464cyclictest381144-21kworker/2:1+events19:32:272
37334399247610,2463cyclictest418848-21kworker/2:0+events21:33:192
37334399247512,2459cyclictest467159-21kworker/2:3+events00:00:402
37334399247512,2459cyclictest404188-21kworker/2:0+events20:43:352
37334399247412,2458cyclictest474982-21kworker/2:0+events00:28:132
37334399247311,2458cyclictest439480-21kworker/2:0+events23:06:462
37333799247312,2459cyclictest452670-21kworker/0:2+events23:35:080
3733439924717,2461cyclictest387486-21kworker/2:2+events19:53:212
37333799247112,2455cyclictest471604-21kworker/0:0+events00:15:500
37333799247012,2454cyclictest420363-21kworker/0:0+events21:59:180
37334399246813,2451cyclictest460337-21kworker/2:2+events23:37:472
3733379924679,2454cyclictest462129-21kworker/0:2+events00:12:040
37334799246612,2450cyclictest412320-21kworker/3:0+events21:10:133
3733479924616,2451cyclictest371460-21kworker/3:0+events19:18:483
37334799246012,2444cyclictest430145-21kworker/3:1+events22:09:413
37334199245612,2441cyclictest374514-21kworker/1:1+events19:38:111
37333799245612,2440cyclictest421966-21kworker/0:2+events21:46:180
37334199245312,2438cyclictest425117-21kworker/1:1+events21:55:511
37333799245312,2437cyclictest476519-21kworker/0:2+events00:33:090
37333799245110,2438cyclictest430114-21kworker/0:1+events22:11:140
37333799245011,2435cyclictest412588-21kworker/0:2+events21:15:490
37334799244812,2432cyclictest456015-21kworker/3:0+events23:41:383
3733439924485,2441cyclictest460337-21kworker/2:2+events23:45:282
37333799244812,2432cyclictest449206-21kworker/0:0+events23:02:560
37333799244812,2432cyclictest410925-21kworker/0:1+events21:11:220
37334799244710,2433cyclictest452638-21kworker/3:2+events23:23:013
37333799244612,2430cyclictest433293-21kworker/0:2+events22:19:360
37333799244511,2430cyclictest441441-21kworker/0:3+events22:54:540
37333799244013,2423cyclictest441441-21kworker/0:3+events22:59:290
3733379924379,2424cyclictest463732-21kworker/0:1+events23:52:390
37333799243711,2422cyclictest439748-21kworker/0:2+events22:35:310
37333799243711,2422cyclictest415436-21kworker/0:0+events21:26:300
37333799243711,2422cyclictest371239-21kworker/0:1+events19:27:290
37334799243612,2420cyclictest426621-21kworker/3:0+events22:03:113
37333799243612,2421cyclictest385937-21kworker/0:1+events19:48:010
37333799243612,2420cyclictest465516-21kworker/0:0+events23:59:110
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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