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2026-08-07 - 11:49

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 all highest latencies:
System rackfslot7s.osadl.org (updated Fri Aug 07, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
76923499433714,4317cyclictest833653-21kworker/3:0+events22:30:153
76923299312413,3108cyclictest825837-21kworker/2:2+events22:10:012
76923499307814,3060cyclictest830366-21kworker/3:0+events22:20:183
76922799304914,3029cyclictest864463-21kworker/1:2+events00:30:131
7692329930187,3007cyclictest798691-21kworker/2:2+events20:45:132
76923499300311,2988cyclictest806766-21kworker/3:0+events21:10:183
76923299297714,2957cyclictest819224-21kworker/2:1+events21:45:202
76923299297612,2955cyclictest841867-21kworker/2:1+events23:00:132
76923299296713,2949cyclictest865787-21kworker/2:2+events00:25:222
76923299291014,2892cyclictest785156-21kworker/2:0+events20:00:182
76923299283814,2819cyclictest841867-21kworker/2:1+events00:00:172
76922399283514,2818cyclictest819180-21kworker/0:0+events21:50:400
76923499280913,2792cyclictest785092-21kworker/3:0+events19:57:383
76922799280513,2788cyclictest777319-21kworker/1:0+events19:34:361
76923499280413,2787cyclictest772475-21kworker/3:1+events19:42:113
76923499280412,2788cyclictest819102-21kworker/3:0+events21:41:583
76922799280313,2786cyclictest795156-21kworker/1:1+events20:53:121
76922799280013,2783cyclictest788299-21kworker/1:1+events20:18:131
76923499279613,2779cyclictest832019-21kworker/3:1+events22:29:293
76923299279612,2780cyclictest793284-21kworker/2:2+events20:30:192
76922799279213,2775cyclictest793549-21kworker/1:2+events20:26:081
76923499279113,2774cyclictest848318-21kworker/3:0+events23:18:543
76923499279013,2773cyclictest799922-21kworker/3:1+events20:46:223
76922799277813,2763cyclictest777319-21kworker/1:0+events19:40:171
76923299276913,2753cyclictest831988-21kworker/2:2+events22:40:012
76923299276713,2750cyclictest790362-21kworker/2:1+events20:19:182
76922399276413,2747cyclictest780694-21kworker/0:3+events19:54:120
76923299275613,2739cyclictest841867-21kworker/2:1+events23:39:182
76923299275213,2735cyclictest816313-21kworker/2:3+events21:42:202
76923499274213,2726cyclictest811309-21kworker/3:2+events21:18:173
76923499274213,2726cyclictest811309-21kworker/3:2+events21:18:173
76923299274013,2723cyclictest778825-21kworker/2:2+events20:08:182
76923299273712,2720cyclictest831988-21kworker/2:2+events22:45:182
76923499273612,2720cyclictest796430-21kworker/3:0+events20:38:413
7692239927267,2716cyclictest788286-21kworker/0:1+events20:15:100
76922399271613,2699cyclictest841895-21kworker/0:2+events22:55:130
76923499271514,2697cyclictest811309-21kworker/3:2+events21:22:043
76922399271213,2695cyclictest801439-21kworker/0:1+events21:03:020
76922399270013,2683cyclictest795126-21kworker/0:2+events20:32:570
7692349926978,2685cyclictest841780-21kworker/3:0+events23:07:513
76922399269613,2679cyclictest780356-21kworker/0:2+events19:42:360
76923499269511,2681cyclictest851139-21kworker/3:2+events23:29:503
76923299269513,2678cyclictest775562-21kworker/2:0+events19:34:142
76922399269411,2679cyclictest772564-21kworker/0:0+events19:21:010
76923499269113,2674cyclictest852791-21kworker/3:0+events23:30:123
76922399268913,2672cyclictest865677-21kworker/0:2+events00:08:180
76923499268012,2663cyclictest772475-21kworker/3:1+events19:29:443
76923299268011,2665cyclictest805114-21kworker/2:2+events21:02:202
76922799267913,2662cyclictest783760-21kworker/1:1+events19:55:201
76922399267913,2663cyclictest803042-21kworker/0:0+events20:53:360
76922399267411,2660cyclictest851261-21kworker/0:1+events23:27:310
76922399266913,2651cyclictest836678-21kworker/0:0+events22:38:290
76923299265812,2642cyclictest825837-21kworker/2:2+events22:14:592
76922799265313,2634cyclictest840200-21kworker/1:2+events23:01:001
76922399264512,2630cyclictest801439-21kworker/0:1+events20:46:450
76923299263710,2623cyclictest873588-21kworker/2:0+events00:32:082
76922799262613,2609cyclictest849573-21kworker/1:0+events23:45:261
76922799262113,2604cyclictest820764-21kworker/1:0+events21:51:021
7692279926199,2606cyclictest801650-21kworker/1:0+events20:49:451
76923499261613,2599cyclictest820915-21kworker/3:1+events21:50:183
76922799261212,2596cyclictest805280-21kworker/1:1+events21:05:401
76923499260612,2590cyclictest803161-21kworker/3:1+events20:58:283
76923499260311,2588cyclictest794073-21kworker/3:1+events20:34:503
76923499260112,2585cyclictest788360-21kworker/3:2+events20:11:233
76922799259913,2582cyclictest769112-21kworker/1:1+events19:26:431
76923499258910,2575cyclictest785092-21kworker/3:0+events20:05:163
76922799258812,2574cyclictest814658-21kworker/1:0+events21:40:031
76922799258412,2568cyclictest811272-21kworker/1:1+events21:23:381
76923499258312,2567cyclictest767327-21kworker/3:0+events19:17:153
76923499258112,2565cyclictest767327-21kworker/3:0+events19:21:223
76922799258112,2567cyclictest822381-21kworker/1:1+events22:10:471
76922799258012,2565cyclictest828850-21kworker/1:0+events22:28:181
76923499257812,2562cyclictest868812-21kworker/3:1+events00:19:203
76922399257813,2561cyclictest783464-21kworker/0:1+events19:56:050
76923499257712,2561cyclictest857657-21kworker/3:2+events23:49:143
76923499257612,2560cyclictest801559-21kworker/3:0+events20:52:493
76922799257512,2559cyclictest801650-21kworker/1:0+events20:58:061
76922799257512,2559cyclictest777319-21kworker/1:0+events19:49:421
76922799257412,2559cyclictest849573-21kworker/1:0+events23:36:211
76922799257412,2558cyclictest849573-21kworker/1:0+events23:59:541
76922799257412,2558cyclictest814658-21kworker/1:0+events21:37:451
76923499257210,2558cyclictest805054-21kworker/3:2+events21:00:483
76922799257212,2556cyclictest808008-21kworker/1:0+events21:14:261
7692279925718,2560cyclictest830457-21kworker/1:1+events22:19:561
76922799257112,2555cyclictest864463-21kworker/1:2+events00:08:421
76922799257111,2556cyclictest840200-21kworker/1:2+events22:58:381
76923499257012,2554cyclictest832019-21kworker/3:1+events23:12:493
76923299257012,2555cyclictest822446-21kworker/2:2+events21:55:352
76922799257012,2554cyclictest788299-21kworker/1:1+events20:13:411
76923499256912,2553cyclictest775858-21kworker/3:0+events19:30:313
76923499256911,2554cyclictest824194-21kworker/3:2+events22:03:343
76922799256911,2554cyclictest828850-21kworker/1:0+events22:43:001
76922799256812,2553cyclictest814658-21kworker/1:0+events21:30:531
76922799256712,2551cyclictest864463-21kworker/1:2+events00:24:131
76922799256612,2550cyclictest785451-21kworker/1:3+events20:04:301
76923499256512,2549cyclictest868812-21kworker/3:1+events00:21:383
76923499256512,2549cyclictest859294-21kworker/3:0+events23:52:153
76923499256512,2549cyclictest799922-21kworker/3:1+events20:43:433
76922799256512,2549cyclictest811272-21kworker/1:1+events21:17:541
76922799256512,2549cyclictest811272-21kworker/1:1+events21:17:541
76923499256412,2548cyclictest782273-21kworker/3:3+events19:52:423
76922799256412,2548cyclictest835048-21kworker/1:1+events22:52:371
76923499256212,2546cyclictest772475-21kworker/3:1+events19:36:313
76922799256211,2547cyclictest791842-21kworker/1:0+events20:24:351
76923499256112,2545cyclictest832019-21kworker/3:1+events23:22:583
76922399256113,2545cyclictest847942-21kworker/0:2+events23:11:380
7692349925588,2546cyclictest785092-21kworker/3:0+events20:02:103
7692349925552,2550cyclictest864306-21kworker/3:1+events00:06:023
7692279925549,2542cyclictest843406-21kworker/1:1+events23:13:101
76922399255412,2538cyclictest770546-21kworker/0:2+events19:19:520
76923499255212,2537cyclictest822563-21kworker/3:0+events22:08:533
76922799255212,2537cyclictest795156-21kworker/1:1+events20:32:101
76923499255012,2534cyclictest822563-21kworker/3:0+events22:11:113
76923499255012,2534cyclictest785092-21kworker/3:0+events20:21:573
76922799255012,2534cyclictest805280-21kworker/1:1+events21:04:141
76923499254812,2533cyclictest832019-21kworker/3:1+events22:47:363
76922799254812,2532cyclictest817510-21kworker/1:2+events21:46:511
76922799254712,2531cyclictest859324-21kworker/1:1+events00:02:111
76923499254612,2532cyclictest873662-21kworker/3:2+events00:35:343
76922799254612,2530cyclictest856094-21kworker/1:2+events23:43:531
76922799254612,2530cyclictest828850-21kworker/1:0+events22:22:371
76923499254512,2530cyclictest814599-21kworker/3:2+events21:36:113
76923299254512,2529cyclictest778825-21kworker/2:2+events20:13:172
76923499254412,2528cyclictest859294-21kworker/3:0+events23:56:523
76922799254112,2525cyclictest864463-21kworker/1:2+events00:16:391
76923299254012,2524cyclictest796668-21kworker/2:0+events20:42:332
76922799254012,2524cyclictest811272-21kworker/1:1+events21:27:481
76923499253911,2524cyclictest780418-21kworker/3:0+events19:45:133
76922399253512,2519cyclictest814027-21kworker/0:1+events21:32:240
76922799253412,2518cyclictest835048-21kworker/1:1+events22:47:591
76922799253411,2519cyclictest772380-21kworker/1:2+events19:18:001
76922799253112,2515cyclictest775711-21kworker/1:2+events19:50:251
76922799252912,2513cyclictest845061-21kworker/1:0+events23:09:001
76923299252812,2512cyclictest767188-21kworker/2:2+events19:25:592
76923299252712,2511cyclictest767188-21kworker/2:2+events19:17:382
76923299252612,2510cyclictest800434-21kworker/2:1+events20:50:542
76923299252611,2512cyclictest767188-21kworker/2:2+events19:23:412
76922799252611,2511cyclictest867215-21kworker/1:0+events00:11:441
76923499252412,2509cyclictest868812-21kworker/3:1+events00:29:513
76923299252412,2508cyclictest788420-21kworker/2:0+events20:23:512
76922799252212,2506cyclictest822381-21kworker/1:1+events22:01:381
76923299252112,2505cyclictest841867-21kworker/2:1+events23:14:432
7692329925209,2507cyclictest812903-21kworker/2:0+events21:31:162
76923499251912,2504cyclictest806766-21kworker/3:0+events21:28:593
76923299251912,2503cyclictest841867-21kworker/2:1+events23:08:382
76923299251912,2503cyclictest800434-21kworker/2:1+events21:09:312
76923299251812,2503cyclictest861193-21kworker/2:0+events00:12:072
76923299251812,2503cyclictest830335-21kworker/2:0+events22:23:222
76923299251812,2503cyclictest807033-21kworker/2:0+events21:10:392
76923299251812,2502cyclictest782081-21kworker/2:1+events19:53:042
76922399251613,2499cyclictest867353-21kworker/0:1+events00:13:170
76922799251312,2497cyclictest852889-21kworker/1:1+events23:28:411
76923299251112,2495cyclictest841867-21kworker/2:1+events23:42:432
76923299251112,2495cyclictest833592-21kworker/2:1+events22:30:382
76923299251011,2496cyclictest812903-21kworker/2:0+events21:28:122
76923299251010,2497cyclictest841867-21kworker/2:1+events23:50:432
76923299250912,2493cyclictest848238-21kworker/2:0+events23:19:382
76923299250910,2495cyclictest809583-21kworker/2:2+events21:22:282
76923299250712,2492cyclictest778825-21kworker/2:2+events19:57:132
76922799250712,2491cyclictest774064-21kworker/1:0+events19:24:041
76923299250412,2488cyclictest780479-21kworker/2:0+events19:45:382
76923499250312,2487cyclictest832019-21kworker/3:1+events22:41:523
76922799250012,2485cyclictest872135-21kworker/1:1+events00:28:431
76923299249811,2484cyclictest831988-21kworker/2:2+events22:57:532
76923499249712,2482cyclictest770396-21kworker/3:2+events19:13:263
76923499249612,2481cyclictest836556-21kworker/3:2+events22:37:233
76923499249512,2479cyclictest841780-21kworker/3:0+events23:03:133
76923499249512,2479cyclictest832019-21kworker/3:1+events22:53:013
76923499249412,2478cyclictest785092-21kworker/3:0+events20:17:503
76922399249412,2479cyclictest790231-21kworker/0:0+events20:25:460
76923499249312,2478cyclictest792061-21kworker/3:2+events20:28:013
7692239924939,2480cyclictest772564-21kworker/0:0+events19:28:130
76923499249212,2476cyclictest852791-21kworker/3:0+events23:35:593
76923499249112,2476cyclictest870483-21kworker/3:0+events00:31:463
76923499249012,2475cyclictest857657-21kworker/3:2+events23:44:403
76923299249012,2474cyclictest848238-21kworker/2:0+events23:20:452
76922799248911,2475cyclictest775711-21kworker/1:2+events19:35:461
76923499248712,2472cyclictest806766-21kworker/3:0+events21:07:363
76922799248612,2471cyclictest873861-21kworker/1:0+events00:38:371
76923499248412,2468cyclictest828698-21kworker/3:2+events22:18:033
76923499248410,2470cyclictest832019-21kworker/3:1+events22:59:503
76922799248312,2467cyclictest777319-21kworker/1:0+events20:08:421
76922799248210,2469cyclictest835048-21kworker/1:1+events22:32:511
76923299248011,2465cyclictest819224-21kworker/2:1+events22:19:342
76922399248010,2466cyclictest775892-21kworker/0:2+events19:33:530
76923499247911,2465cyclictest866240-21kworker/3:2+events00:13:393
76922799247912,2463cyclictest828850-21kworker/1:0+events22:35:511
76922799247812,2463cyclictest849573-21kworker/1:0+events23:31:461
76922799247811,2463cyclictest822381-21kworker/1:1+events22:06:561
7692239924774,2469cyclictest803042-21kworker/0:0+events20:55:030
76922399247612,2460cyclictest847942-21kworker/0:2+events23:34:270
76923499247512,2460cyclictest814599-21kworker/3:2+events21:48:463
76922799247512,2460cyclictest799954-21kworker/1:2+events20:44:491
76922799247411,2460cyclictest849573-21kworker/1:0+events23:52:391
76922399247412,2458cyclictest824026-21kworker/0:2+events22:09:130
76922799247111,2456cyclictest791842-21kworker/1:0+events20:35:381
76922399247112,2457cyclictest806619-21kworker/0:0+events21:20:110
76922399246812,2453cyclictest798862-21kworker/0:2+events20:41:240
76922399246812,2452cyclictest868975-21kworker/0:0+events00:33:190
76922399246812,2452cyclictest806619-21kworker/0:0+events21:08:210
7692329924678,2456cyclictest822446-21kworker/2:2+events21:54:062
76923299246712,2452cyclictest778825-21kworker/2:2+events19:39:062
7692239924663,2459cyclictest831776-21kworker/0:2+events22:41:300
76922399246410,2450cyclictest788286-21kworker/0:1+events20:11:000
76922399246312,2447cyclictest862160-21kworker/0:2+events23:56:270
76922399246312,2447cyclictest827301-21kworker/0:0+events22:29:040
76922399246112,2446cyclictest843588-21kworker/0:1+events23:05:310
76922799246012,2446cyclictest843406-21kworker/1:1+events23:15:051
76922799246012,2445cyclictest847701-21kworker/1:2+events23:23:211
76922399245811,2444cyclictest778694-21kworker/0:0+events19:38:450
76923299245212,2436cyclictest809583-21kworker/2:2+events21:16:002
76923299245212,2436cyclictest809583-21kworker/2:2+events21:15:592
76923299245210,2439cyclictest861193-21kworker/2:0+events23:57:592
76923299245012,2436cyclictest800434-21kworker/2:1+events20:59:162
76923299244510,2431cyclictest778825-21kworker/2:2+events19:42:562
7692329924429,2429cyclictest831988-21kworker/2:2+events22:28:412
76922399244012,2426cyclictest868975-21kworker/0:0+events00:21:140
76922399243911,2426cyclictest791871-21kworker/0:2+events20:20:020
76922399243911,2425cyclictest819180-21kworker/0:0+events21:59:010
7692329924387,2427cyclictest793284-21kworker/2:2+events20:27:162
76923299243812,2424cyclictest861193-21kworker/2:0+events00:07:312
76923299243812,2422cyclictest835197-21kworker/2:0+events22:36:362
76923299243712,2421cyclictest841867-21kworker/2:1+events23:47:202
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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