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2026-07-09 - 16:01

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 Thu Jul 09, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
38345259930273,3021cyclictest3901455-21kworker/0:2+events22:49:150
383453599297313,2957cyclictest3880039-21kworker/3:1+events21:50:013
383453099286014,2840cyclictest3847919-21kworker/1:1+events19:50:111
383453599281513,2798cyclictest3863950-21kworker/3:2+events21:05:153
383453099281113,2794cyclictest3878651-21kworker/1:1+events21:25:151
383453299280513,2788cyclictest3870313-21kworker/2:2+events21:16:362
383453299279913,2782cyclictest3837848-21kworker/2:0+events19:44:102
383453299279413,2777cyclictest3907986-21kworker/2:1+events22:55:382
383453299279412,2779cyclictest3837848-21kworker/2:0+events19:26:452
383453099278913,2772cyclictest3873706-21kworker/1:0+events21:13:581
383452599278412,2768cyclictest3909380-21kworker/0:1+events23:04:460
383453299277613,2761cyclictest3907986-21kworker/2:1+events23:10:092
383453299277613,2759cyclictest3880098-21kworker/2:0+events21:34:222
383453099277210,2758cyclictest3849512-21kworker/1:0+events19:57:221
383453099277113,2754cyclictest3839446-21kworker/1:1+events19:21:231
383453099276810,2754cyclictest3844635-21kworker/1:2+events20:09:111
383452599276813,2751cyclictest3860743-21kworker/0:1+events20:34:270
383453299276612,2750cyclictest3870313-21kworker/2:2+events21:01:482
383453099276513,2748cyclictest3915964-21kworker/1:2+events23:27:181
383453099276313,2746cyclictest3862320-21kworker/1:1+events20:41:401
383453099276113,2743cyclictest3832550-21kworker/1:0+events19:48:201
383453099275811,2743cyclictest3868978-21kworker/1:1+events21:02:101
383453099275111,2737cyclictest3920407-21kworker/1:0+events23:33:051
383453099275010,2736cyclictest3867254-21kworker/1:2+events20:49:151
383453599274313,2726cyclictest3935057-21kworker/3:2+events00:38:583
383453299274213,2725cyclictest3870313-21kworker/2:2+events21:20:462
383453599274113,2723cyclictest3847769-21kworker/3:0+events20:07:423
383453599274012,2724cyclictest3898404-21kworker/3:2+events22:32:163
383453599274012,2724cyclictest3868772-21kworker/3:0+events20:59:123
383452599274013,2723cyclictest3880248-21kworker/0:2+events21:58:170
383452599273813,2721cyclictest3934963-21kworker/0:2+events00:18:060
38345259927359,2722cyclictest3888456-21kworker/0:0+events22:05:540
383452599272912,2713cyclictest3878590-21kworker/0:1+events21:30:550
383452599272112,2705cyclictest3932620-21kworker/0:1+events00:13:550
38345309927208,2707cyclictest3857693-21kworker/1:1+events20:22:371
383453599271112,2695cyclictest3851914-21kworker/3:1+events20:10:443
383453099270312,2687cyclictest3888309-21kworker/1:0+events21:54:101
383452599269910,2685cyclictest3860743-21kworker/0:1+events20:58:470
383453299268214,2666cyclictest3853076-21kworker/2:1+events20:10:202
383452599268212,2667cyclictest3918847-21kworker/0:2+events23:33:530
383452599267612,2662cyclictest3920624-21kworker/0:0+events23:35:010
383452599267210,2658cyclictest3846169-21kworker/0:1+events19:43:000
383452599266512,2649cyclictest3918847-21kworker/0:2+events23:29:120
383453299265610,2644cyclictest3849215-21kworker/2:1+events19:55:062
38345309926378,2625cyclictest3909439-21kworker/1:2+events22:57:541
383452599262411,2609cyclictest3903055-21kworker/0:1+events22:41:430
383453099262213,2605cyclictest3906150-21kworker/1:1+events23:11:431
383452599261412,2598cyclictest3852970-21kworker/0:1+events20:13:040
383453099260812,2592cyclictest3907840-21kworker/1:0+events22:53:441
383453599260613,2591cyclictest3855847-21kworker/3:2+events20:25:193
383453599260411,2589cyclictest3849366-21kworker/3:2+events19:56:593
383453299258012,2564cyclictest3857395-21kworker/2:0+events20:30:362
383453099257912,2563cyclictest3938241-21kworker/1:1+events00:39:211
383453299257712,2561cyclictest3890077-21kworker/2:2+events22:20:282
383453299257612,2560cyclictest3837848-21kworker/2:0+events19:21:462
383453299257412,2558cyclictest3870313-21kworker/2:2+events21:10:132
383453299257112,2556cyclictest3920653-21kworker/2:1+events00:05:302
383453299257111,2557cyclictest3938465-21kworker/2:1+events00:33:132
383453299257012,2554cyclictest3923876-21kworker/2:0+events23:45:372
38345329925697,2559cyclictest3912456-21kworker/2:0+events23:28:492
383453599256812,2552cyclictest3851914-21kworker/3:1+events20:03:323
383452599256812,2554cyclictest3852970-21kworker/0:1+events20:15:010
383453299256612,2550cyclictest3920653-21kworker/2:1+events23:55:362
383453299256611,2551cyclictest3868709-21kworker/2:0+events20:54:382
383453599256413,2547cyclictest3911123-21kworker/3:2+events23:07:283
383453299256412,2548cyclictest3890077-21kworker/2:2+events22:47:212
383453299256312,2548cyclictest3853076-21kworker/2:1+events20:19:342
383453299256311,2549cyclictest3880098-21kworker/2:0+events21:46:352
383453299256212,2547cyclictest3935175-21kworker/2:2+events00:24:292
383453299256212,2546cyclictest3920653-21kworker/2:1+events00:19:132
383453299255712,2541cyclictest3863861-21kworker/2:0+events20:39:222
383453099255611,2541cyclictest3862320-21kworker/1:1+events20:35:131
383453299255512,2540cyclictest3890077-21kworker/2:2+events22:44:202
383453299255512,2539cyclictest3887495-21kworker/2:1+events22:09:012
383453299255511,2541cyclictest3844860-21kworker/2:2+events19:50:542
383453299255311,2538cyclictest3859051-21kworker/2:2+events20:46:562
383453299255212,2537cyclictest3919044-21kworker/2:2+events23:31:312
383453099255212,2536cyclictest3849512-21kworker/1:0+events20:04:181
383453599255112,2535cyclictest3906302-21kworker/3:0+events22:57:123
383453299255011,2535cyclictest3842921-21kworker/2:1+events19:39:382
383453099254912,2533cyclictest3876998-21kworker/1:2+events21:19:151
383453299254712,2531cyclictest3890077-21kworker/2:2+events22:38:182
383453099254711,2532cyclictest3938241-21kworker/1:1+events00:30:551
383453099254612,2530cyclictest3914360-21kworker/1:0+events23:17:021
383453299254513,2528cyclictest3890077-21kworker/2:2+events22:12:262
383453299254311,2528cyclictest3880098-21kworker/2:0+events21:50:242
38345309925428,2530cyclictest3923754-21kworker/1:1+events23:54:261
383453299254012,2525cyclictest3899362-21kworker/2:0+events22:30:462
38345309925388,2526cyclictest3832550-21kworker/1:0+events19:41:541
383453299253712,2521cyclictest3870313-21kworker/2:2+events21:06:222
383453099253712,2521cyclictest3920407-21kworker/1:0+events23:36:111
383453099253612,2521cyclictest3906150-21kworker/1:1+events23:03:161
383453099253612,2521cyclictest3878651-21kworker/1:1+events21:37:271
383453599253412,2519cyclictest3863950-21kworker/3:2+events20:39:463
383453099253412,2520cyclictest3868978-21kworker/1:1+events20:55:011
383453099253212,2518cyclictest3906150-21kworker/1:1+events23:07:051
383453099253212,2516cyclictest3842773-21kworker/1:1+events19:37:201
383453099253210,2518cyclictest3873706-21kworker/1:0+events21:23:011
383452599253212,2516cyclictest3938164-21kworker/0:2+events00:29:240
383453099253112,2515cyclictest3891847-21kworker/1:1+events22:11:411
383453099253111,2517cyclictest3880280-21kworker/1:2+events21:31:171
383453599253012,2514cyclictest3893453-21kworker/3:1+events22:10:343
383453099252910,2515cyclictest3844635-21kworker/1:2+events20:26:501
383453099252512,2509cyclictest3920407-21kworker/1:0+events23:47:551
383453099252412,2508cyclictest3844635-21kworker/1:2+events20:33:201
383452599252412,2508cyclictest3888456-21kworker/0:0+events22:15:090
383452599252412,2508cyclictest3888456-21kworker/0:0+events22:02:510
383452599252112,2506cyclictest3918847-21kworker/0:2+events23:45:120
38345259925209,2507cyclictest3839653-21kworker/0:1+events19:33:110
38345259925209,2507cyclictest3839653-21kworker/0:1+events19:33:110
383452599251811,2504cyclictest3905701-21kworker/0:0+events22:53:000
383452599251711,2502cyclictest3859080-21kworker/0:2+events20:23:000
383452599251610,2503cyclictest3860743-21kworker/0:1+events20:29:060
383452599251514,2497cyclictest3880248-21kworker/0:2+events21:41:160
38345329925145,2505cyclictest3881909-21kworker/2:1+events21:38:552
38345359925139,2500cyclictest3911123-21kworker/3:2+events23:20:493
383453599251210,2499cyclictest3902964-21kworker/3:0+events22:39:493
383453099251212,2496cyclictest3925419-21kworker/1:2+events23:57:261
383452599251112,2496cyclictest3864037-21kworker/0:0+events20:50:240
383452599251112,2495cyclictest3880248-21kworker/0:2+events21:53:490
383452599251112,2495cyclictest3860743-21kworker/0:1+events20:40:070
383453599251012,2494cyclictest3883481-21kworker/3:0+events21:49:163
383452599251012,2494cyclictest3909380-21kworker/0:1+events23:08:370
383453099250912,2494cyclictest3870693-21kworker/1:2+events21:05:371
383452599250912,2494cyclictest3860743-21kworker/0:1+events21:10:370
383453599250812,2492cyclictest3935057-21kworker/3:2+events00:21:513
383453599250811,2493cyclictest3911123-21kworker/3:2+events23:12:493
38345359925075,2499cyclictest3904699-21kworker/3:2+events22:47:453
383453299250712,2491cyclictest3863861-21kworker/2:0+events20:41:172
383452599250712,2491cyclictest3939755-21kworker/0:0+events00:34:210
383453599250611,2491cyclictest3847769-21kworker/3:0+events20:15:243
383453599250610,2492cyclictest3847769-21kworker/3:0+events19:49:053
383452599250611,2493cyclictest3864037-21kworker/0:0+events20:45:040
383452599250611,2491cyclictest3899822-21kworker/0:0+events22:31:290
38345359925058,2493cyclictest3863950-21kworker/3:2+events21:02:353
383453599250511,2490cyclictest3911123-21kworker/3:2+events23:31:553
383453599250510,2491cyclictest3877523-21kworker/3:0+events21:25:393
383453599250412,2488cyclictest3855847-21kworker/3:2+events20:31:003
383453099250411,2489cyclictest3925419-21kworker/1:2+events00:27:081
383452599250411,2490cyclictest3883246-21kworker/0:0+events21:45:240
383453599250312,2487cyclictest3928384-21kworker/3:0+events23:59:453
383453599250212,2486cyclictest3845069-21kworker/3:1+events19:43:463
383452599250212,2487cyclictest3873799-21kworker/0:0+events21:09:500
383453599250010,2488cyclictest3900121-21kworker/3:1+events22:42:253
383453599249912,2484cyclictest3906302-21kworker/3:0+events22:53:213
383453599249910,2485cyclictest3880039-21kworker/3:1+events21:57:103
383452599249912,2483cyclictest3909380-21kworker/0:1+events23:17:230
383452599249912,2483cyclictest3847800-21kworker/0:2+events20:01:130
383453099249512,2479cyclictest3888309-21kworker/1:0+events22:07:051
38345259924959,2482cyclictest3895258-21kworker/0:1+events22:23:090
38345309924948,2482cyclictest3889960-21kworker/1:2+events22:01:211
383453599249212,2477cyclictest3857488-21kworker/3:1+events20:42:463
383453599249212,2476cyclictest3907924-21kworker/3:1+events23:00:393
383453299249212,2476cyclictest3920653-21kworker/2:1+events23:37:182
383453299248912,2473cyclictest3865862-21kworker/2:1+events20:56:112
383453299248812,2472cyclictest3896896-21kworker/2:1+events22:19:422
383452599248812,2472cyclictest3901455-21kworker/0:2+events22:36:480
383453299248711,2473cyclictest3920653-21kworker/2:1+events00:12:232
383453099248610,2474cyclictest3928708-21kworker/1:3+events00:10:031
383453299248512,2470cyclictest3936795-21kworker/2:0+events00:25:152
383453099248512,2470cyclictest3903231-21kworker/1:2+events22:45:501
383453099248212,2467cyclictest3925419-21kworker/1:2+events00:22:391
383453599248112,2466cyclictest3911123-21kworker/3:2+events23:25:493
383453299248010,2466cyclictest3906392-21kworker/2:0+events22:54:082
383453299247912,2463cyclictest3837848-21kworker/2:0+events19:18:432
383453299247911,2464cyclictest3919044-21kworker/2:2+events23:42:582
383453599247811,2465cyclictest3835810-21kworker/3:2+events19:25:363
383453299247612,2460cyclictest3899362-21kworker/2:0+events22:28:072
383453299247612,2460cyclictest3857395-21kworker/2:0+events20:27:132
383453299247211,2457cyclictest3923876-21kworker/2:0+events23:54:492
383452599247211,2457cyclictest3846169-21kworker/0:1+events19:49:500
383452599247110,2457cyclictest3839653-21kworker/0:1+events19:25:130
38345359924709,2457cyclictest3898404-21kworker/3:2+events22:24:173
383453599246912,2454cyclictest3841020-21kworker/3:1+events19:30:563
383453599246912,2454cyclictest3841020-21kworker/3:1+events19:30:553
383453299246912,2454cyclictest3890077-21kworker/2:2+events22:00:572
383453099246912,2455cyclictest3906150-21kworker/1:1+events23:20:031
383453299246710,2453cyclictest3912456-21kworker/2:0+events23:06:182
383453299246512,2451cyclictest3857395-21kworker/2:0+events20:21:502
383453099246510,2451cyclictest3889960-21kworker/1:2+events21:58:391
383453299246312,2448cyclictest3837848-21kworker/2:0+events19:46:252
38345359924629,2450cyclictest3926697-21kworker/3:1+events00:14:413
383453299246211,2448cyclictest3870313-21kworker/2:2+events21:29:252
38345329924619,2449cyclictest3881909-21kworker/2:1+events21:40:532
383453099246012,2444cyclictest3925419-21kworker/1:2+events00:01:411
383452599246012,2444cyclictest3893238-21kworker/0:2+events22:10:570
383453099245812,2442cyclictest3934932-21kworker/1:1+events00:18:501
383452599245612,2440cyclictest3925212-21kworker/0:0+events00:00:310
383453099245510,2441cyclictest3832550-21kworker/1:0+events19:16:031
383453599245312,2438cyclictest3873978-21kworker/3:0+events21:13:143
383453099245212,2436cyclictest3888309-21kworker/1:0+events22:39:041
383453099245111,2438cyclictest3928708-21kworker/1:3+events00:05:081
38345259924509,2437cyclictest3880248-21kworker/0:2+events21:36:190
383453599244910,2435cyclictest3849366-21kworker/3:2+events19:53:583
383453099244911,2434cyclictest3888309-21kworker/1:0+events22:21:371
383453599244712,2431cyclictest3923787-21kworker/3:2+events23:47:323
383453099244712,2431cyclictest3841080-21kworker/1:2+events19:28:171
383453099244612,2431cyclictest3903231-21kworker/1:2+events22:40:111
383453099244612,2431cyclictest3883512-21kworker/1:2+events21:44:411
383453099244512,2430cyclictest3867254-21kworker/1:2+events20:51:581
383453099244511,2430cyclictest3844635-21kworker/1:2+events20:12:171
383453099244312,2427cyclictest3855908-21kworker/1:0+events20:16:341
383453099244312,2427cyclictest3832550-21kworker/1:0+events19:32:491
383453099244312,2427cyclictest3832550-21kworker/1:0+events19:32:491
383452599244312,2427cyclictest3873799-21kworker/0:0+events21:22:150
383453099244212,2427cyclictest3888309-21kworker/1:0+events22:16:411
383452599244211,2428cyclictest3873799-21kworker/0:0+events21:16:580
383453099244112,2426cyclictest3888309-21kworker/1:0+events22:31:061
383453599243911,2424cyclictest3838303-21kworker/3:0+events19:24:263
383452599243912,2424cyclictest3926873-21kworker/0:2+events23:56:430
383452599243712,2421cyclictest3930186-21kworker/0:2+events00:07:010
38345359924369,2424cyclictest3855847-21kworker/3:2+events20:23:463
383453599243410,2420cyclictest3922141-21kworker/3:0+events23:40:433
383453099243410,2420cyclictest3878651-21kworker/1:1+events21:47:211
38345359924326,2422cyclictest3883481-21kworker/3:0+events21:44:183
383453599243212,2416cyclictest3926697-21kworker/3:1+events00:03:583
383453599243211,2417cyclictest3926697-21kworker/3:1+events23:51:483
383453599243211,2417cyclictest3881699-21kworker/3:2+events21:35:323
383452599242911,2415cyclictest3835662-21kworker/0:1+events19:14:550
383452599242911,2414cyclictest3844546-21kworker/0:2+events19:38:540
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