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2026-04-14 - 22:11

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 376 highest latencies:
System rackfslot7s.osadl.org (updated Tue Apr 14, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
74808999362317,3603cyclictest794983-21kworker/0:2+events21:35:110
74808999310312,3087cyclictest769024-21kworker/0:1+events20:20:000
74809799281113,2795cyclictest773012-21kworker/2:1+events20:30:012
74809999279512,2779cyclictest796652-21kworker/3:2+events22:25:173
74809799275113,2734cyclictest767630-21kworker/2:0+events20:15:482
74809299275012,2734cyclictest812846-21kworker/1:0+events22:30:171
74809799272013,2702cyclictest803696-21kworker/2:2+events22:06:572
74809999263813,2622cyclictest854217-21kworker/3:2+events00:38:083
74809999253612,2520cyclictest784124-21kworker/3:2+events21:00:153
74809299253611,2522cyclictest777834-21kworker/1:2+events21:02:101
74809999252812,2512cyclictest817525-21kworker/3:0+events22:45:323
74809799252512,2509cyclictest778452-21kworker/2:2+events20:46:332
7480999925119,2498cyclictest838229-21kworker/3:1+events23:58:273
74809999251112,2495cyclictest747650-21kworker/3:1+events19:24:273
74809299250810,2495cyclictest820519-21kworker/1:2+events22:55:001
74809999250712,2491cyclictest772951-21kworker/3:0+events20:43:303
74809999250410,2491cyclictest772951-21kworker/3:0+events20:36:583
74809999249610,2482cyclictest764296-21kworker/3:0+events20:02:503
74809999249412,2478cyclictest831612-21kworker/3:0+events23:39:063
74809799249312,2478cyclictest841826-21kworker/2:3+events00:24:272
74809999249112,2476cyclictest822351-21kworker/3:0+events23:04:253
74809799249112,2475cyclictest796773-21kworker/2:0+events21:47:262
74809299249112,2476cyclictest814447-21kworker/1:2+events22:40:551
74809999248912,2473cyclictest767484-21kworker/3:1+events20:07:213
74808999248812,2472cyclictest769024-21kworker/0:1+events20:38:520
74809299248712,2471cyclictest852523-21kworker/1:1+events00:38:321
74809799247911,2465cyclictest846274-21kworker/2:1+events00:16:572
74809299247610,2462cyclictest843410-21kworker/1:2+events00:27:531
74809799247512,2462cyclictest773012-21kworker/2:1+events20:32:202
74809799247411,2459cyclictest831673-21kworker/2:2+events23:32:372
74809299247210,2458cyclictest830104-21kworker/1:0+events23:25:211
74809999246812,2454cyclictest822351-21kworker/3:0+events23:10:073
7480929924686,2459cyclictest764085-21kworker/1:1+events19:57:311
74808999245810,2444cyclictest817558-21kworker/0:1+events22:49:420
74809299244912,2433cyclictest762456-21kworker/1:0+events19:54:281
74809299244912,2433cyclictest762456-21kworker/1:0+events19:54:271
74809999244611,2431cyclictest820728-21kworker/3:1+events22:56:283
7480999924459,2433cyclictest793374-21kworker/3:0+events21:42:053
74809799244512,2430cyclictest785882-21kworker/2:1+events21:12:532
74809999244411,2429cyclictest844612-21kworker/3:0+events00:18:473
74809799244412,2429cyclictest848166-21kworker/2:0+events00:38:552
74809299244412,2429cyclictest784062-21kworker/1:0+events21:23:371
74808999244410,2431cyclictest834980-21kworker/0:1+events23:39:280
74809299244211,2427cyclictest836363-21kworker/1:1+events23:41:471
74809799243910,2427cyclictest799819-21kworker/2:2+events21:50:042
74809299243811,2424cyclictest771286-21kworker/1:0+events20:39:391
74809799243512,2419cyclictest809670-21kworker/2:1+events22:20:202
74809799243412,2418cyclictest803696-21kworker/2:2+events22:01:332
74809799243310,2420cyclictest751573-21kworker/2:0+events19:19:272
7480929924326,2422cyclictest846244-21kworker/1:0+events00:12:481
74809999243112,2416cyclictest790468-21kworker/3:1+events21:19:453
7480899924317,2421cyclictest794983-21kworker/0:2+events21:44:460
74809999242711,2412cyclictest793374-21kworker/3:0+events21:34:233
74809799242612,2410cyclictest836481-21kworker/2:0+events23:59:352
74809799242612,2410cyclictest829276-21kworker/2:0+events23:23:282
74809999242512,2409cyclictest852613-21kworker/3:1+events00:32:513
74809999242512,2409cyclictest798336-21kworker/3:1+events21:49:413
74809799242312,2407cyclictest778452-21kworker/2:2+events20:59:312
74809999242212,2407cyclictest831612-21kworker/3:0+events23:44:013
74809799242210,2409cyclictest796773-21kworker/2:0+events21:42:512
74809799242110,2408cyclictest822231-21kworker/2:2+events22:58:442
74809999242012,2405cyclictest759494-21kworker/3:1+events19:54:073
74809999242012,2405cyclictest759494-21kworker/3:1+events19:54:063
74809999242012,2404cyclictest793374-21kworker/3:0+events21:29:493
74809799242012,2404cyclictest846274-21kworker/2:1+events00:13:572
74809799241912,2403cyclictest725245-21kworker/2:2+events19:45:502
74809799241811,2403cyclictest822231-21kworker/2:2+events23:11:372
74809999241712,2402cyclictest836513-21kworker/3:2+events00:09:213
74809999241710,2405cyclictest798336-21kworker/3:1+events21:55:053
74809799241712,2401cyclictest767630-21kworker/2:0+events20:08:512
74809999241611,2402cyclictest796652-21kworker/3:2+events22:16:553
74809799241611,2402cyclictest764117-21kworker/2:2+events20:02:262
74809799241512,2400cyclictest827226-21kworker/2:1+events23:15:512
74809799241312,2398cyclictest725245-21kworker/2:2+events19:40:262
74809999241211,2397cyclictest782491-21kworker/3:0+events20:56:533
74809799241211,2397cyclictest823854-21kworker/2:1+events23:06:422
74809999241112,2396cyclictest770692-21kworker/3:3+events20:22:423
74809999241111,2396cyclictest796652-21kworker/3:2+events22:00:473
74809799241012,2395cyclictest808031-21kworker/2:0+events22:14:372
74809799241012,2395cyclictest808031-21kworker/2:0+events22:14:372
74809799241012,2394cyclictest841632-21kworker/2:1+events00:04:482
74809999240912,2394cyclictest815863-21kworker/3:2+events22:44:233
7480999924089,2396cyclictest769085-21kworker/3:2+events20:14:153
7480999924087,2397cyclictest822351-21kworker/3:0+events23:19:403
74809799240812,2392cyclictest808031-21kworker/2:0+events22:18:462
74809999240711,2392cyclictest831612-21kworker/3:0+events23:31:293
74809999240711,2392cyclictest811628-21kworker/3:1+events22:31:043
7480899924078,2397cyclictest787166-21kworker/0:2+events21:10:100
74809999240611,2392cyclictest754835-21kworker/3:2+events19:35:523
74808999240611,2392cyclictest752960-21kworker/0:0+events19:36:160
74809999240512,2390cyclictest762693-21kworker/3:2+events19:59:253
74809999240512,2389cyclictest838229-21kworker/3:1+events23:53:323
74809999240512,2389cyclictest793374-21kworker/3:0+events21:38:393
74809999240512,2389cyclictest754835-21kworker/3:2+events19:43:313
7480979924059,2392cyclictest774707-21kworker/2:0+events20:42:452
7480999924049,2393cyclictest844612-21kworker/3:0+events00:10:083
74809999240412,2389cyclictest767484-21kworker/3:1+events20:16:113
74808999240312,2388cyclictest819245-21kworker/0:0+events22:57:570
74809999240110,2387cyclictest753234-21kworker/3:0+events19:26:413
74809999239911,2385cyclictest776254-21kworker/3:1+events20:48:063
74808999239612,2381cyclictest769024-21kworker/0:1+events20:21:570
74809999239512,2379cyclictest784124-21kworker/3:2+events21:20:553
74809799239312,2377cyclictest848166-21kworker/2:0+events00:33:132
74809299238812,2373cyclictest823940-21kworker/1:2+events23:37:381
74809299238812,2372cyclictest838140-21kworker/1:0+events00:04:041
74809299238812,2372cyclictest816049-21kworker/1:0+events22:48:091
74809999238710,2374cyclictest754835-21kworker/3:2+events19:47:223
74809299238711,2372cyclictest817802-21kworker/1:1+events22:57:141
7480979923817,2371cyclictest782339-21kworker/2:1+events20:52:412
74809299238113,2365cyclictest771286-21kworker/1:0+events20:28:071
74809299237912,2365cyclictest752993-21kworker/1:1+events19:30:081
74809299237912,2363cyclictest809490-21kworker/1:2+events22:17:401
74809299237612,2361cyclictest841659-21kworker/1:1+events00:06:411
74809299237512,2360cyclictest831768-21kworker/1:1+events23:33:001
74809299237111,2357cyclictest836363-21kworker/1:1+events23:48:331
74809799236911,2354cyclictest809670-21kworker/2:1+events22:26:272
74808999236612,2351cyclictest825102-21kworker/0:1+events23:31:510
74809799236512,2349cyclictest725245-21kworker/2:2+events19:20:122
74809299236012,2344cyclictest823940-21kworker/1:2+events23:10:311
74809299235212,2336cyclictest801508-21kworker/1:0+events22:04:171
74808999235112,2337cyclictest830168-21kworker/0:0+events23:40:140
74808999235110,2338cyclictest841778-21kworker/0:1+events00:05:340
74809299235012,2334cyclictest823940-21kworker/1:2+events23:23:511
74808999235012,2335cyclictest759419-21kworker/0:0+events19:50:430
74808999235012,2335cyclictest759419-21kworker/0:0+events19:50:430
74808999234912,2334cyclictest787166-21kworker/0:2+events21:15:330
74808999234911,2334cyclictest808064-21kworker/0:2+events22:14:140
74808999234911,2334cyclictest808064-21kworker/0:2+events22:14:140
74809799234812,2334cyclictest773012-21kworker/2:1+events20:35:002
74809299234812,2333cyclictest807884-21kworker/1:0+events22:21:291
74809299234712,2332cyclictest790531-21kworker/1:1+events21:29:251
74808999234712,2332cyclictest851192-21kworker/0:0+events00:33:350
7480929923466,2337cyclictest777834-21kworker/1:2+events20:43:541
74809299234411,2331cyclictest823940-21kworker/1:2+events23:15:291
74808999234412,2329cyclictest841778-21kworker/0:1+events00:17:410
74808999234412,2329cyclictest837961-21kworker/0:2+events00:00:410
74808999234312,2327cyclictest815895-21kworker/0:0+events22:39:450
74808999234212,2327cyclictest817558-21kworker/0:1+events22:44:000
74808999234111,2326cyclictest849554-21kworker/0:2+events00:27:060
74809299234011,2326cyclictest843410-21kworker/1:2+events00:21:261
74809299234010,2326cyclictest757999-21kworker/1:1+events19:43:091
7480999923399,2327cyclictest806432-21kworker/3:1+events22:10:253
7480999923399,2327cyclictest806432-21kworker/3:1+events22:10:253
74809799233810,2325cyclictest760858-21kworker/2:0+events19:56:012
74808999233712,2322cyclictest781094-21kworker/0:1+events20:56:070
74808999233112,2315cyclictest811354-21kworker/0:1+events22:25:390
74808999233011,2316cyclictest769024-21kworker/0:1+events20:31:570
74808999232812,2313cyclictest841778-21kworker/0:1+events00:12:240
74809299232712,2312cyclictest751361-21kworker/1:2+events19:16:471
74809299232611,2311cyclictest784062-21kworker/1:0+events21:06:451
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7480899923234,2316cyclictest808064-21kworker/0:2+events22:19:330
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74808999231912,2305cyclictest777774-21kworker/0:0+events20:40:020
74808999231812,2303cyclictest754624-21kworker/0:2+events19:27:500
7480899923137,2302cyclictest825102-21kworker/0:1+events23:25:430
7480999923054,2298cyclictest770692-21kworker/3:3+events20:31:113
7480899923059,2292cyclictest800130-21kworker/0:1+events21:54:410
74809299229511,2280cyclictest756411-21kworker/1:2+events19:38:331
74808999229512,2280cyclictest811354-21kworker/0:1+events22:31:490
74809799229110,2278cyclictest762485-21kworker/2:1+events19:52:352
74809799229110,2278cyclictest762485-21kworker/2:1+events19:52:342
74809999229011,2276cyclictest822351-21kworker/3:0+events23:07:533
7480929922888,2276cyclictest823940-21kworker/1:2+events23:07:061
74809799228311,2269cyclictest836481-21kworker/2:0+events23:44:492
7480999922827,2271cyclictest772951-21kworker/3:0+events20:27:443
74809299228212,2267cyclictest847965-21kworker/1:1+events00:19:321
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74808999226710,2254cyclictest788865-21kworker/0:0+events21:33:380
74809299226610,2254cyclictest836363-21kworker/1:1+events23:50:051
74809299225811,2243cyclictest840004-21kworker/1:2+events23:56:371
74809799225510,2241cyclictest848166-21kworker/2:0+events00:28:162
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74809999224911,2235cyclictest836513-21kworker/3:2+events00:03:393
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74809799222611,2212cyclictest822231-21kworker/2:2+events23:00:362
74809799222511,2211cyclictest753265-21kworker/2:1+events19:27:272
7480929922249,2212cyclictest764085-21kworker/1:1+events20:03:131
74809999222311,2209cyclictest815863-21kworker/3:2+events22:53:293
74809999222211,2208cyclictest754835-21kworker/3:2+events19:30:313
7480979922228,2210cyclictest770673-21kworker/2:3+events20:23:292
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74809999222010,2207cyclictest785775-21kworker/3:1+events21:08:363
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74809799222010,2207cyclictest815989-21kworker/2:1+events22:45:542
74809799221911,2206cyclictest838081-21kworker/2:2+events23:51:142
74809999221711,2203cyclictest836513-21kworker/3:2+events23:45:123
74809999221710,2204cyclictest747650-21kworker/3:1+events19:14:303
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74809999221510,2201cyclictest811628-21kworker/3:1+events22:37:053
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7480999922148,2203cyclictest830015-21kworker/3:2+events23:24:593
74808999221411,2200cyclictest769024-21kworker/0:1+events20:28:290
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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