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2026-09-15 - 12:56

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 highest latencies:
System rackfslot7s.osadl.org (updated Tue Sep 15, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
246032399394318,3919cyclictest2539098-21kworker/1:2+events23:30:001
246033199298012,2963cyclictest2473174-21kworker/2:0+events19:50:122
246033199289014,2871cyclictest2552114-21kworker/2:2+events00:20:132
246031899278013,2763cyclictest2467428-21kworker/0:1+events19:40:190
246031899277812,2761cyclictest2515433-21kworker/0:2+events22:05:190
246033399273713,2720cyclictest2535708-21kworker/3:0+events23:33:523
246032399273513,2719cyclictest2564762-21kworker/1:1+events00:31:341
246031899270713,2690cyclictest2491036-21kworker/0:2+events21:06:030
246033399268712,2671cyclictest2535708-21kworker/3:0+events23:43:193
24603239926469,2632cyclictest2487920-21kworker/1:2+events20:35:161
246032399263213,2617cyclictest2479665-21kworker/1:0+events20:30:221
246033399263113,2613cyclictest2526313-21kworker/3:0+events22:35:123
246032399257212,2556cyclictest2551847-21kworker/1:1+events00:04:151
246032399257210,2558cyclictest2459865-21kworker/1:2+events19:31:341
246032399255612,2541cyclictest2516728-21kworker/1:1+events22:06:271
246032399255410,2541cyclictest2487920-21kworker/1:2+events20:45:381
246033199255312,2537cyclictest2513908-21kworker/2:2+events22:09:292
246033399254810,2534cyclictest2563622-21kworker/3:1+events00:32:223
246033399254612,2530cyclictest2500723-21kworker/3:2+events21:23:083
246033199253512,2519cyclictest2495715-21kworker/2:0+events21:05:202
246033399253412,2518cyclictest2551935-21kworker/3:1+events23:53:143
246031899253011,2515cyclictest2515433-21kworker/0:2+events22:11:010
246032399252813,2512cyclictest2555277-21kworker/1:0+events00:05:211
246032399252812,2512cyclictest2523318-21kworker/1:1+events22:33:401
246033399252711,2513cyclictest2537341-21kworker/3:2+events23:07:133
246033399252711,2513cyclictest2537341-21kworker/3:2+events23:07:133
246032399251912,2504cyclictest2562205-21kworker/1:0+events00:30:001
246031899251812,2502cyclictest2482933-21kworker/0:0+events20:24:350
246031899251712,2502cyclictest2531631-21kworker/0:0+events23:07:360
246031899251712,2502cyclictest2531631-21kworker/0:0+events23:07:360
246031899251412,2498cyclictest2540643-21kworker/0:0+events23:23:150
246031899251312,2499cyclictest2467428-21kworker/0:1+events19:55:100
246031899251312,2497cyclictest2566434-21kworker/0:0+events00:39:170
246031899251212,2496cyclictest2544229-21kworker/0:0+events23:37:560
24603189925119,2498cyclictest2498249-21kworker/0:1+events21:23:290
246032399250911,2494cyclictest2494150-21kworker/1:0+events20:57:211
246031899250912,2493cyclictest2528042-21kworker/0:1+events22:56:330
246031899250912,2492cyclictest2498249-21kworker/0:1+events21:17:510
246031899250712,2491cyclictest2556844-21kworker/0:1+events00:19:510
246031899250711,2491cyclictest2482933-21kworker/0:0+events20:28:030
246033199250512,2489cyclictest2518269-21kworker/2:0+events22:50:492
246033199250512,2489cyclictest2502456-21kworker/2:2+events21:20:512
24603189925049,2491cyclictest2539005-21kworker/0:1+events23:17:090
246032399250312,2487cyclictest2518342-21kworker/1:2+events22:12:331
246033199250212,2487cyclictest2552114-21kworker/2:2+events00:11:022
24603339924989,2485cyclictest2524709-21kworker/3:2+events22:40:353
246033399249812,2483cyclictest2535708-21kworker/3:0+events23:36:483
246032399249712,2481cyclictest2545302-21kworker/1:1+events23:32:431
246032399249712,2481cyclictest2487920-21kworker/1:2+events20:52:511
246033199249612,2479cyclictest2473174-21kworker/2:0+events20:07:592
246033399249512,2480cyclictest2476568-21kworker/3:1+events20:00:503
246033399249511,2480cyclictest2527952-21kworker/3:1+events23:04:113
246032399249512,2480cyclictest2476322-21kworker/1:2+events20:06:271
246032399249512,2479cyclictest2489850-21kworker/1:1+events20:43:451
246033399249411,2480cyclictest2478185-21kworker/3:0+events20:05:433
246032399249412,2479cyclictest2487920-21kworker/1:2+events21:05:421
246032399249412,2478cyclictest2532599-21kworker/1:0+events22:55:461
246032399249312,2478cyclictest2524949-21kworker/1:0+events22:40:581
246032399249312,2477cyclictest2547402-21kworker/1:0+events23:42:331
246032399249312,2477cyclictest2503835-21kworker/1:2+events21:46:501
246032399249212,2476cyclictest2479665-21kworker/1:0+events20:23:271
246032399249111,2478cyclictest2502207-21kworker/1:1+events21:25:491
246031899249112,2476cyclictest2555246-21kworker/0:0+events00:04:370
246031899249012,2475cyclictest2548500-21kworker/0:1+events23:47:050
246031899249012,2475cyclictest2467428-21kworker/0:1+events19:47:060
246032399248911,2474cyclictest2512333-21kworker/1:0+events21:58:291
246033399248810,2474cyclictest2484555-21kworker/3:2+events20:28:263
246032399248813,2472cyclictest2459865-21kworker/1:2+events19:28:281
246032399248813,2472cyclictest2459865-21kworker/1:2+events19:28:271
246032399248712,2471cyclictest2503835-21kworker/1:2+events21:36:301
246032399248710,2474cyclictest2497429-21kworker/1:0+events21:10:571
246033199248612,2470cyclictest2492796-21kworker/2:2+events20:59:162
246032399248612,2470cyclictest2497429-21kworker/1:0+events21:04:591
246032399248512,2470cyclictest2521515-21kworker/1:0+events22:21:121
246032399248512,2469cyclictest2461684-21kworker/1:1+events19:24:131
246031899248312,2467cyclictest2482933-21kworker/0:0+events20:33:020
246032399248212,2466cyclictest2479665-21kworker/1:0+events20:18:321
24603189924814,2474cyclictest2498249-21kworker/0:1+events21:32:210
246031899248111,2467cyclictest2473236-21kworker/0:2+events20:03:500
246032399247811,2464cyclictest2555277-21kworker/1:0+events00:15:581
246032399247710,2464cyclictest2551847-21kworker/1:1+events23:52:041
246033399247612,2460cyclictest2515226-21kworker/3:0+events22:10:393
246033399247612,2460cyclictest2505650-21kworker/3:2+events21:45:173
246033199247511,2461cyclictest2521789-21kworker/2:2+events22:25:442
246032399247411,2459cyclictest2510372-21kworker/1:1+events21:54:011
246033399247212,2456cyclictest2558748-21kworker/3:0+events00:22:503
246033399247112,2456cyclictest2458191-21kworker/3:2+events19:24:593
246033399247111,2456cyclictest2553533-21kworker/3:2+events00:01:573
246031899247112,2456cyclictest2551970-21kworker/0:1+events23:53:380
246033399247011,2456cyclictest2511967-21kworker/3:1+events22:01:313
246031899246911,2454cyclictest2555246-21kworker/0:0+events00:09:060
246033399246712,2451cyclictest2537341-21kworker/3:2+events23:14:323
24603339924659,2453cyclictest2556874-21kworker/3:2+events00:13:203
246033399246511,2451cyclictest2524709-21kworker/3:2+events22:27:373
246031899246510,2451cyclictest2503805-21kworker/0:2+events21:29:160
246032399246310,2449cyclictest2461684-21kworker/1:1+events19:15:571
246033399246112,2445cyclictest2489557-21kworker/3:2+events20:49:253
246031899246012,2445cyclictest2537395-21kworker/0:2+events23:12:350
246033399245910,2447cyclictest2563622-21kworker/3:1+events00:35:023
246031899245811,2443cyclictest2531631-21kworker/0:0+events23:00:210
246033199245712,2441cyclictest2515722-21kworker/2:1+events22:02:182
246033399245512,2439cyclictest2502393-21kworker/3:0+events21:31:573
246033399245312,2439cyclictest2535708-21kworker/3:0+events23:25:063
246033399245111,2436cyclictest2542145-21kworker/3:2+events23:24:203
246033399245012,2434cyclictest2484555-21kworker/3:2+events20:33:243
246033399245012,2434cyclictest2473387-21kworker/3:2+events19:54:013
24603189924498,2437cyclictest2517293-21kworker/0:1+events22:31:470
246033399244812,2433cyclictest2473387-21kworker/3:2+events19:55:553
246033399244811,2434cyclictest2531344-21kworker/3:2+events22:57:423
246033399244712,2431cyclictest2495970-21kworker/3:2+events21:03:493
246033399244711,2432cyclictest2540518-21kworker/3:1+events23:18:413
246033399244612,2430cyclictest2505650-21kworker/3:2+events21:43:253
246033399244610,2433cyclictest2489557-21kworker/3:2+events20:53:583
24603339924459,2434cyclictest2476568-21kworker/3:1+events20:15:073
246033399244512,2429cyclictest2531344-21kworker/3:2+events22:52:213
246033199244512,2430cyclictest2534324-21kworker/2:1+events23:08:222
246033199244512,2430cyclictest2534324-21kworker/2:1+events23:08:222
246031899244512,2430cyclictest2548500-21kworker/0:1+events23:43:410
246033399244310,2429cyclictest2476568-21kworker/3:1+events20:12:323
246033399244212,2428cyclictest2465079-21kworker/3:0+events19:31:553
246033399244212,2427cyclictest2535708-21kworker/3:0+events23:56:133
246033399244212,2427cyclictest2486283-21kworker/3:0+events20:42:583
246033399244212,2427cyclictest2476568-21kworker/3:1+events20:23:053
246031899243912,2423cyclictest2542295-21kworker/0:1+events23:25:290
24603339924388,2427cyclictest2468204-21kworker/3:1+events19:36:503
246033199243712,2421cyclictest2530962-21kworker/2:2+events22:46:352
246031899243711,2423cyclictest2528042-21kworker/0:1+events22:50:260
246033199243612,2421cyclictest2542264-21kworker/2:0+events23:29:142
246031899243511,2421cyclictest2469742-21kworker/0:2+events19:37:380
246033399243411,2420cyclictest2515226-21kworker/3:0+events22:06:053
246033199243411,2420cyclictest2542264-21kworker/2:0+events23:48:382
246031899243411,2419cyclictest2473236-21kworker/0:2+events20:06:500
24603319924339,2420cyclictest2504074-21kworker/2:0+events21:25:262
246032399243212,2416cyclictest2473116-21kworker/1:0+events19:50:541
246031899243212,2417cyclictest2491036-21kworker/0:2+events21:12:060
246031899243112,2415cyclictest2526403-21kworker/0:2+events22:39:040
246031899242912,2413cyclictest2563165-21kworker/0:2+events00:27:430
246033199242712,2411cyclictest2540577-21kworker/2:2+events23:19:052
246031899242711,2412cyclictest2528042-21kworker/0:1+events22:43:150
246033199242611,2412cyclictest2518269-21kworker/2:0+events22:22:422
246033399242512,2409cyclictest2523109-21kworker/3:1+events22:21:573
246033199242512,2409cyclictest2518269-21kworker/2:0+events22:15:112
246031899242512,2411cyclictest2489344-21kworker/0:1+events20:40:410
246031899242512,2410cyclictest2556844-21kworker/0:1+events00:22:270
246031899242412,2409cyclictest2512179-21kworker/0:0+events21:49:540
246031899242412,2408cyclictest2517293-21kworker/0:1+events22:17:490
246032399242211,2407cyclictest2530990-21kworker/1:1+events22:54:411
246031899242212,2406cyclictest2481296-21kworker/0:2+events20:15:300
246033199242112,2407cyclictest2461754-21kworker/2:0+events19:20:052
246033199242112,2405cyclictest2518269-21kworker/2:0+events22:13:412
246033199242112,2405cyclictest2490976-21kworker/2:1+events20:45:592
246031899242111,2407cyclictest2465346-21kworker/0:3+events19:27:200
246031899242111,2407cyclictest2465346-21kworker/0:3+events19:27:190
246031899242110,2407cyclictest2550090-21kworker/0:2+events23:56:350
246033199242012,2405cyclictest2561893-21kworker/2:0+events00:28:292
246033199242012,2405cyclictest2555391-21kworker/2:3+events00:08:432
246033199241912,2404cyclictest2545516-21kworker/2:1+events23:35:422
246031899241912,2404cyclictest2544229-21kworker/0:0+events23:34:140
246031899241912,2403cyclictest2512179-21kworker/0:0+events22:04:110
246033199241812,2403cyclictest2550038-21kworker/2:1+events23:58:292
246033199241811,2404cyclictest2508686-21kworker/2:0+events21:43:022
246033199241712,2401cyclictest2495715-21kworker/2:0+events21:15:562
246033399241412,2399cyclictest2515226-21kworker/3:0+events22:19:203
246033399241410,2400cyclictest2458191-21kworker/3:2+events19:29:373
246033399241410,2400cyclictest2458191-21kworker/3:2+events19:29:373
246032399241212,2397cyclictest2551847-21kworker/1:1+events23:58:081
246033199241112,2395cyclictest2518269-21kworker/2:0+events22:34:252
246031899241110,2398cyclictest2459894-21kworker/0:0+events19:30:240
246033199241012,2395cyclictest2534324-21kworker/2:1+events23:23:372
246033199241012,2394cyclictest2492796-21kworker/2:2+events21:02:192
246033199241012,2394cyclictest2489310-21kworker/2:2+events20:39:072
24603319924089,2395cyclictest2498018-21kworker/2:1+events21:14:232
246033199240811,2394cyclictest2512148-21kworker/2:1+events21:49:312
246033399240711,2394cyclictest2555215-21kworker/3:1+events00:15:143
246033199240712,2391cyclictest2526491-21kworker/2:1+events22:44:002
246033199240610,2393cyclictest2534324-21kworker/2:1+events23:12:122
24603239924058,2393cyclictest2476322-21kworker/1:2+events20:10:151
246032399240512,2389cyclictest2545302-21kworker/1:1+events23:36:261
246033199239111,2376cyclictest2458423-21kworker/2:1+events19:18:082
246033199237810,2365cyclictest2508686-21kworker/2:0+events21:58:522
246031899237511,2360cyclictest2517293-21kworker/0:1+events22:23:500
246031899237210,2358cyclictest2513834-21kworker/0:1+events21:59:150
246033199237110,2358cyclictest2468720-21kworker/2:2+events19:40:422
246033399236712,2352cyclictest2471523-21kworker/3:1+events19:47:313
246033399236111,2346cyclictest2511967-21kworker/3:1+events21:53:143
246031899235711,2343cyclictest2498249-21kworker/0:1+events21:41:300
246033399235412,2338cyclictest2505650-21kworker/3:2+events21:36:533
246032399235212,2336cyclictest2537464-21kworker/1:0+events23:08:461
246032399235212,2336cyclictest2537464-21kworker/1:0+events23:08:461
246033399235111,2336cyclictest2547111-21kworker/3:2+events23:45:573
246033199234111,2327cyclictest2552114-21kworker/2:2+events00:02:442
246033199233711,2323cyclictest2542264-21kworker/2:0+events23:42:562
246033199233612,2320cyclictest2473174-21kworker/2:0+events20:26:082
246033199233111,2317cyclictest2473174-21kworker/2:0+events20:14:452
24603339923218,2309cyclictest2463423-21kworker/3:1+events19:17:263
246032399232011,2306cyclictest2524949-21kworker/1:0+events22:45:291
246032399231912,2303cyclictest2518342-21kworker/1:2+events22:16:421
246033199231810,2305cyclictest2473174-21kworker/2:0+events20:42:362
246033399231711,2300cyclictest2555215-21kworker/3:1+events00:06:523
246031899231212,2297cyclictest2494265-21kworker/0:1+events20:58:530
246032399230712,2292cyclictest2530990-21kworker/1:1+events23:01:541
246033199230212,2287cyclictest2518269-21kworker/2:0+events22:38:412
246032399229911,2284cyclictest2497429-21kworker/1:0+events21:16:171
246033199228312,2269cyclictest2518269-21kworker/2:0+events22:58:282
246033399227812,2262cyclictest2494292-21kworker/3:0+events20:55:523
246032399227711,2263cyclictest2537464-21kworker/1:0+events23:10:421
246031899227412,2258cyclictest2528042-21kworker/0:1+events22:48:530
246032399226911,2254cyclictest2512333-21kworker/1:0+events22:02:411
246032399226511,2251cyclictest2459865-21kworker/1:2+events19:42:341
246032399226410,2250cyclictest2459865-21kworker/1:2+events19:49:251
246033199226310,2250cyclictest2518269-21kworker/2:0+events23:02:172
24603239922639,2251cyclictest2537464-21kworker/1:0+events23:17:541
246033399226211,2247cyclictest2494292-21kworker/3:0+events21:06:493
246032399226211,2247cyclictest2558417-21kworker/1:2+events00:14:511
24603239922608,2248cyclictest2476322-21kworker/1:2+events20:02:421
246032399226011,2246cyclictest2560357-21kworker/1:1+events00:24:001
246031899225910,2245cyclictest2510216-21kworker/0:2+events21:51:010
246032399225611,2243cyclictest2539098-21kworker/1:2+events23:45:111
246033199225412,2239cyclictest2550038-21kworker/2:1+events23:54:442
246033399225111,2236cyclictest2524709-21kworker/3:2+events22:34:023
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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