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2026-07-18 - 22:29

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 Jul 18, 2026 00:44:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
393868999352217,3502cyclictest3980665-21kworker/0:0+events21:20:200
393868999350617,3485cyclictest3967355-21kworker/0:1+events20:45:210
393868999339813,3380cyclictest3985696-21kworker/0:0+events21:35:140
393869499330916,3288cyclictest4023824-21kworker/1:1+events23:35:151
393869499327714,3257cyclictest3983977-21kworker/1:2+events21:30:131
393868999313115,3113cyclictest4009672-21kworker/0:1+events22:55:020
393869699312614,3107cyclictest3990389-21kworker/2:1+events22:00:172
393868999312215,3100cyclictest3996697-21kworker/0:0+events22:10:120
393869999310114,3083cyclictest3962613-21kworker/3:1+events20:25:143
393868999308513,3066cyclictest3988913-21kworker/0:2+events22:05:120
393869499297714,2959cyclictest4041662-21kworker/1:1+events00:30:361
393868999297013,2952cyclictest4041879-21kworker/0:1+events00:30:130
393869699290313,2887cyclictest4038592-21kworker/2:2+events00:20:152
393869699286112,2844cyclictest4006360-21kworker/2:1+events22:45:132
393869499282312,2807cyclictest3957965-21kworker/1:2+events20:09:401
393869499281513,2798cyclictest3953141-21kworker/1:1+events20:20:171
393869999280813,2793cyclictest3964640-21kworker/3:2+events20:35:123
393869499280313,2786cyclictest4011315-21kworker/1:1+events22:57:371
393869499280213,2787cyclictest4019324-21kworker/1:0+events23:20:091
393869499280213,2785cyclictest3993505-21kworker/1:2+events21:59:531
393869499279913,2782cyclictest3945009-21kworker/1:1+events19:37:271
393869499279813,2781cyclictest3975719-21kworker/1:1+events21:08:341
393869499279011,2775cyclictest4007829-21kworker/1:2+events22:48:581
393869499278411,2769cyclictest3959593-21kworker/1:0+events20:19:311
393868999277413,2758cyclictest3974189-21kworker/0:1+events21:00:150
393869999276713,2750cyclictest3944959-21kworker/3:2+events19:27:183
393869499276113,2744cyclictest3977609-21kworker/1:2+events21:17:421
393868999276113,2743cyclictest3970857-21kworker/0:2+events20:54:540
393868999274713,2730cyclictest4029034-21kworker/0:1+events23:58:580
393869699272413,2707cyclictest3980813-21kworker/2:1+events21:25:142
39386899927155,2706cyclictest3946760-21kworker/0:1+events19:44:140
393868999271312,2697cyclictest3983703-21kworker/0:1+events21:45:260
393868999271012,2694cyclictest3993887-21kworker/0:1+events22:16:000
393868999270913,2692cyclictest4020972-21kworker/0:2+events23:51:510
393868999270812,2693cyclictest4040241-21kworker/0:2+events00:25:120
393868999270711,2692cyclictest4001523-21kworker/0:0+events22:26:150
393869999270013,2685cyclictest4040277-21kworker/3:1+events00:35:113
393868999269913,2683cyclictest4017536-21kworker/0:0+events23:14:470
393868999269913,2683cyclictest3964530-21kworker/0:2+events20:30:370
393869699269713,2681cyclictest4014389-21kworker/2:0+events23:05:142
393868999269412,2678cyclictest3953171-21kworker/0:1+events20:06:380
393869999266513,2648cyclictest3964640-21kworker/3:2+events20:49:343
393869699266112,2645cyclictest3966179-21kworker/2:3+events20:50:192
393869499265613,2639cyclictest3963007-21kworker/1:3+events20:33:191
393869999265513,2638cyclictest4035409-21kworker/3:0+events00:21:473
393869999265513,2638cyclictest4027229-21kworker/3:1+events23:47:433
393869699265513,2640cyclictest3988762-21kworker/2:2+events21:50:022
393869999265413,2638cyclictest4013036-21kworker/3:1+events23:07:083
393869499265413,2637cyclictest3945009-21kworker/1:1+events19:31:521
393868999265412,2640cyclictest3957932-21kworker/0:2+events20:15:450
393869699265215,2634cyclictest4020439-21kworker/2:2+events23:28:312
393869999265113,2634cyclictest3974002-21kworker/3:1+events20:57:333
393869699265112,2635cyclictest3946845-21kworker/2:2+events19:38:572
393869999265013,2634cyclictest4029283-21kworker/3:2+events23:52:583
393869999265013,2633cyclictest4013036-21kworker/3:1+events23:22:463
393869699264613,2629cyclictest3964198-21kworker/2:2+events20:33:412
393869699264313,2626cyclictest4036866-21kworker/2:0+events00:19:302
393869699264113,2624cyclictest4036866-21kworker/2:0+events00:14:382
39386949926419,2629cyclictest3945009-21kworker/1:1+events19:26:561
393868999264112,2625cyclictest4003156-21kworker/0:2+events22:52:240
393869699263913,2623cyclictest4004729-21kworker/2:2+events22:33:492
393869699263913,2622cyclictest3972766-21kworker/2:1+events20:56:012
393869999263812,2624cyclictest3948206-21kworker/3:0+events19:40:053
393869699263713,2620cyclictest3988762-21kworker/2:2+events21:58:002
393869999263412,2618cyclictest3956306-21kworker/3:0+events20:08:543
393869499263313,2617cyclictest4033956-21kworker/1:2+events00:05:281
393869499262313,2606cyclictest4025417-21kworker/1:0+events23:41:411
393869999262111,2606cyclictest3987346-21kworker/3:0+events21:43:103
393869499262013,2603cyclictest3982378-21kworker/1:0+events21:28:191
393869499261812,2602cyclictest3948237-21kworker/1:2+events19:55:141
393869499261013,2593cyclictest4023824-21kworker/1:1+events23:31:551
393869499260812,2593cyclictest3990331-21kworker/1:1+events21:50:491
393868999258612,2570cyclictest3978973-21kworker/0:2+events21:14:180
393869499258212,2567cyclictest3987495-21kworker/1:2+events21:45:501
393869499257912,2564cyclictest4025417-21kworker/1:0+events23:53:421
393869699257813,2562cyclictest3969120-21kworker/2:1+events20:47:372
393869999257712,2561cyclictest3971102-21kworker/3:0+events21:08:103
393869999257413,2557cyclictest4020887-21kworker/3:0+events23:28:523
393869499257412,2560cyclictest3985849-21kworker/1:0+events21:40:091
393869499257212,2557cyclictest3963007-21kworker/1:3+events20:40:501
39386899925719,2559cyclictest3974189-21kworker/0:1+events21:15:260
393869699257012,2554cyclictest3985544-21kworker/2:0+events21:41:372
393869499257012,2554cyclictest3963007-21kworker/1:3+events20:56:481
393869499257012,2554cyclictest3963007-21kworker/1:3+events20:27:541
393869699256913,2552cyclictest4025475-21kworker/2:0+events00:03:352
393869499256912,2553cyclictest4035590-21kworker/1:1+events00:11:121
393869499256712,2551cyclictest4000105-21kworker/1:0+events22:25:311
39386949925653,2558cyclictest3982378-21kworker/1:0+events21:24:521
393869699256210,2548cyclictest3954835-21kworker/2:0+events20:14:592
393869499255914,2541cyclictest4006151-21kworker/1:0+events22:38:461
393868999255912,2544cyclictest4015930-21kworker/0:1+events23:09:460
393869499255711,2542cyclictest3998408-21kworker/1:2+events22:22:281
393869499255511,2541cyclictest3998408-21kworker/1:2+events22:19:221
393869999255412,2538cyclictest3950001-21kworker/3:1+events19:45:213
393869499255412,2539cyclictest3975719-21kworker/1:1+events21:04:221
393869699255313,2533cyclictest4025475-21kworker/2:0+events23:53:212
393869499255312,2537cyclictest3975719-21kworker/1:1+events21:11:371
393869499255212,2536cyclictest4014330-21kworker/1:0+events23:02:101
393869499255012,2534cyclictest3948237-21kworker/1:2+events19:52:581
393869499255011,2535cyclictest4033956-21kworker/1:2+events00:37:541
393869499254912,2535cyclictest4009581-21kworker/1:0+events22:50:541
393868999254912,2533cyclictest4025446-21kworker/0:1+events23:38:590
39386949925473,2540cyclictest4003437-21kworker/1:1+events22:34:131
393868999254712,2531cyclictest3972500-21kworker/0:0+events20:55:400
393868999254212,2526cyclictest3993887-21kworker/0:1+events22:01:480
39386999925419,2528cyclictest3957903-21kworker/3:1+events20:10:263
393869499254112,2525cyclictest3985849-21kworker/1:0+events21:37:061
393868999254113,2524cyclictest4001523-21kworker/0:0+events22:24:010
393869499253410,2520cyclictest4016141-21kworker/1:2+events23:18:581
393869499253312,2517cyclictest4016141-21kworker/1:2+events23:26:101
393869699252715,2508cyclictest4043454-21kworker/2:1+events00:36:212
39386969925269,2513cyclictest3995395-21kworker/2:2+events22:10:582
393869499252512,2510cyclictest4027079-21kworker/1:1+events23:45:481
393868999252112,2505cyclictest4017536-21kworker/0:0+events23:24:390
39386949925189,2505cyclictest4035590-21kworker/1:1+events00:16:111
393869499251410,2500cyclictest3991920-21kworker/1:0+events22:10:361
39386999925139,2500cyclictest4029283-21kworker/3:2+events00:07:233
393869499251212,2497cyclictest3943401-21kworker/1:0+events19:21:551
393869699250512,2489cyclictest3951305-21kworker/2:2+events19:51:512
393868999250311,2488cyclictest4038562-21kworker/0:0+events00:23:190
39386899925029,2490cyclictest3983703-21kworker/0:1+events21:41:170
39386899924998,2487cyclictest3968999-21kworker/0:0+events20:42:180
393868999249913,2483cyclictest4020972-21kworker/0:2+events23:29:370
393869699249812,2482cyclictest4017835-21kworker/2:0+events23:15:552
393869499249712,2481cyclictest4006151-21kworker/1:0+events22:40:361
393869499249712,2481cyclictest3991920-21kworker/1:0+events22:05:591
393869999249413,2478cyclictest4035409-21kworker/3:0+events00:12:423
393869499249312,2476cyclictest4033956-21kworker/1:2+events00:26:201
393868999249312,2479cyclictest3945129-21kworker/0:2+events19:31:290
393869499249212,2477cyclictest3954743-21kworker/1:0+events20:03:591
393869499249112,2476cyclictest3940032-21kworker/1:2+events19:14:421
393868999248912,2473cyclictest4003156-21kworker/0:2+events22:30:270
393869499248812,2472cyclictest3969297-21kworker/1:1+events20:48:001
393869499248811,2474cyclictest4025417-21kworker/1:0+events00:03:581
393869499248611,2473cyclictest4011315-21kworker/1:1+events23:08:391
393868999248612,2471cyclictest4020972-21kworker/0:2+events23:48:060
393869499248511,2471cyclictest4016141-21kworker/1:2+events23:10:561
393869499248412,2468cyclictest3967500-21kworker/1:0+events20:38:131
393869499248412,2468cyclictest3963007-21kworker/1:3+events20:54:301
393869999248311,2469cyclictest3964640-21kworker/3:2+events20:53:013
393868999248312,2468cyclictest3961169-21kworker/0:1+events20:26:230
393868999248312,2467cyclictest4006418-21kworker/0:0+events22:40:130
393868999248312,2467cyclictest3957932-21kworker/0:2+events20:22:110
39386899924828,2470cyclictest3992146-21kworker/0:0+events21:58:220
393868999248212,2466cyclictest3983703-21kworker/0:1+events21:52:190
393868999248210,2468cyclictest3946760-21kworker/0:1+events19:35:560
39386899924819,2468cyclictest4036924-21kworker/0:2+events00:14:160
393868999248112,2467cyclictest3957932-21kworker/0:2+events20:10:030
393868999248111,2466cyclictest4015930-21kworker/0:1+events23:18:360
393868999248012,2465cyclictest3951275-21kworker/0:0+events19:46:280
393868999248012,2465cyclictest3943525-21kworker/0:1+events19:23:540
393868999248012,2464cyclictest4003156-21kworker/0:2+events22:39:080
393868999247612,2462cyclictest3983703-21kworker/0:1+events21:32:300
393868999247512,2460cyclictest4035291-21kworker/0:1+events00:06:370
393868999247512,2460cyclictest3980955-21kworker/0:3+events21:28:410
393869699247411,2460cyclictest4027172-21kworker/2:1+events23:46:562
393868999247312,2457cyclictest3967355-21kworker/0:1+events20:39:200
393868999247212,2455cyclictest4012801-21kworker/0:0+events23:01:010
393869499246912,2453cyclictest4033956-21kworker/1:2+events00:20:381
393869499246710,2453cyclictest3959593-21kworker/1:0+events20:13:491
393868999246712,2453cyclictest3953171-21kworker/0:1+events20:00:360
393869999245912,2444cyclictest3956306-21kworker/3:0+events20:34:023
393868999245412,2438cyclictest3930346-21kworker/0:1+events19:15:480
39386969924539,2440cyclictest3997094-21kworker/2:0+events22:17:082
393869699245212,2437cyclictest3977489-21kworker/2:1+events21:10:292
393869999245112,2435cyclictest3951603-21kworker/3:2+events19:50:173
393869499245112,2435cyclictest3948237-21kworker/1:2+events19:43:501
393869999244712,2431cyclictest3983856-21kworker/3:1+events21:30:573
393868999244712,2431cyclictest3953171-21kworker/0:1+events19:53:210
393869999244611,2431cyclictest4040277-21kworker/3:1+events00:25:353
393869999244211,2428cyclictest3975749-21kworker/3:2+events21:12:253
393869999243912,2423cyclictest3939944-21kworker/3:0+events19:30:203
393869699243512,2419cyclictest3985544-21kworker/2:0+events21:34:042
393869999243412,2418cyclictest3951603-21kworker/3:2+events19:59:483
393869999243112,2415cyclictest4003004-21kworker/3:0+events22:27:243
393869699243112,2416cyclictest4017835-21kworker/2:0+events23:22:222
393868999243012,2414cyclictest4027109-21kworker/0:0+events23:43:090
39386969924279,2415cyclictest4043454-21kworker/2:1+events00:34:482
393869999242612,2410cyclictest3985713-21kworker/3:2+events21:50:253
393869999242512,2409cyclictest3993596-21kworker/3:0+events22:08:153
393869999242510,2411cyclictest3983856-21kworker/3:1+events21:29:273
393869999242412,2408cyclictest3940285-21kworker/3:3+events19:17:223
393869699242411,2409cyclictest3941044-21kworker/2:0+events19:21:332
393869999242211,2407cyclictest4013036-21kworker/3:1+events23:19:443
393869699242212,2406cyclictest3959773-21kworker/2:2+events20:18:462
393869999242112,2406cyclictest4003004-21kworker/3:0+events22:36:543
393869699242110,2407cyclictest4010670-21kworker/2:0+events22:53:082
393869699241910,2405cyclictest3995395-21kworker/2:2+events22:24:462
393869999241811,2403cyclictest3993596-21kworker/3:0+events22:13:393
393869999241712,2401cyclictest4040277-21kworker/3:1+events00:32:543
393869999241712,2401cyclictest3951603-21kworker/3:2+events20:00:583
393869999241512,2399cyclictest3991157-21kworker/3:1+events21:57:153
393869699241512,2399cyclictest3980813-21kworker/2:1+events21:21:272
393868999241512,2399cyclictest4038562-21kworker/0:0+events00:18:230
393869699241312,2397cyclictest3975541-21kworker/2:0+events21:02:302
393869699241312,2397cyclictest3951305-21kworker/2:2+events19:46:512
393869699241212,2396cyclictest4001460-21kworker/2:1+events22:26:372
393869699241012,2395cyclictest3985544-21kworker/2:0+events21:36:432
393869699241011,2395cyclictest3961359-21kworker/2:1+events20:22:342
393868999241012,2394cyclictest4043481-21kworker/0:2+events00:38:380
393869999240912,2393cyclictest4020887-21kworker/3:0+events23:35:373
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393869699240912,2393cyclictest3954835-21kworker/2:0+events19:58:422
393869699240910,2395cyclictest4008187-21kworker/2:2+events22:59:532
393869999240812,2393cyclictest3979270-21kworker/3:1+events21:16:563
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393869999240712,2391cyclictest3987346-21kworker/3:0+events21:48:083
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393868999239911,2385cyclictest4003156-21kworker/0:2+events22:46:190
393869699239510,2381cyclictest4032495-21kworker/2:3+events00:08:102
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393868999239510,2383cyclictest3936514-21kworker/0:0+events19:25:020
393869699239011,2374cyclictest4003062-21kworker/2:0+events22:38:252
393868999239012,2375cyclictest4017536-21kworker/0:0+events23:34:320
393868999238912,2375cyclictest3974189-21kworker/0:1+events21:07:220
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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