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2026-07-19 - 12:31

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 Sun Jul 19, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22153599366618,3642cyclictest274708-21kworker/2:0+events22:10:172
22152799338515,3366cyclictest315608-21kworker/0:2+events00:00:010
22153799297116,2951cyclictest242663-21kworker/3:2+events20:35:223
22153799293413,2918cyclictest300886-21kworker/3:2+events23:20:023
22152799291911,2905cyclictest258744-21kworker/0:1+events21:05:010
22153299291014,2891cyclictest241182-21kworker/1:0+events20:10:141
22153799286414,2846cyclictest250603-21kworker/3:0+events20:45:143
22153799285213,2834cyclictest267034-21kworker/3:1+events21:40:153
22153799283614,2818cyclictest242663-21kworker/3:2+events20:40:193
22152799283213,2815cyclictest318897-21kworker/0:0+events00:11:270
22152799281914,2801cyclictest323501-21kworker/0:2+events00:29:420
22152799281114,2793cyclictest281711-21kworker/0:2+events22:35:190
22152799281013,2793cyclictest293047-21kworker/0:2+events22:54:370
22152799279013,2773cyclictest239171-21kworker/0:0+events20:06:040
22152799278811,2773cyclictest263738-21kworker/0:0+events21:36:320
22153799278212,2766cyclictest237875-21kworker/3:0+events20:16:453
2215279927806,2770cyclictest252289-21kworker/0:0+events20:53:200
22152799277713,2762cyclictest320498-21kworker/0:1+events00:17:090
22152799277612,2760cyclictest227938-21kworker/0:2+events19:46:390
22153799276513,2748cyclictest262098-21kworker/3:0+events22:03:293
22153799276113,2745cyclictest312584-21kworker/3:1+events00:05:213
22153799275413,2737cyclictest276309-21kworker/3:1+events22:07:173
22153799275113,2735cyclictest320441-21kworker/3:2+events00:20:373
22152799275113,2734cyclictest281711-21kworker/0:2+events22:27:010
22153599274813,2731cyclictest269852-21kworker/2:1+events21:45:162
22152799274812,2733cyclictest281711-21kworker/0:2+events22:24:440
22152799274812,2733cyclictest281711-21kworker/0:2+events22:24:440
22152799274413,2727cyclictest289445-21kworker/0:0+events22:41:450
22153299274213,2725cyclictest314175-21kworker/1:1+events23:56:121
22153799274113,2725cyclictest254096-21kworker/3:1+events20:50:163
2215279927257,2714cyclictest268260-21kworker/0:2+events21:32:280
22153799272412,2708cyclictest281327-21kworker/3:2+events22:25:533
22153599272414,2706cyclictest289296-21kworker/2:0+events22:36:252
22153799272213,2705cyclictest265335-21kworker/3:2+events21:27:533
22153799272013,2703cyclictest281327-21kworker/3:2+events22:31:313
22153799271513,2698cyclictest317206-21kworker/3:2+events00:03:263
22153799271513,2698cyclictest234519-21kworker/3:1+events20:08:463
22152799271212,2696cyclictest315608-21kworker/0:2+events00:09:100
2215359927105,2702cyclictest231556-21kworker/2:1+events19:41:012
22153299270512,2689cyclictest323626-21kworker/1:2+events00:25:111
22153799270213,2685cyclictest237875-21kworker/3:0+events20:04:573
22153299270213,2685cyclictest297484-21kworker/1:0+events23:02:141
22153299270113,2684cyclictest300796-21kworker/1:1+events23:17:481
22153299270013,2683cyclictest246041-21kworker/1:1+events20:32:221
22153299269913,2684cyclictest317086-21kworker/1:0+events00:15:391
22153299269913,2683cyclictest260529-21kworker/1:0+events21:27:301
22153299269513,2678cyclictest297484-21kworker/1:0+events23:05:561
22153299269513,2678cyclictest287668-21kworker/1:0+events22:53:511
22153299268813,2671cyclictest269792-21kworker/1:1+events21:49:031
22153299268012,2664cyclictest260529-21kworker/1:0+events21:23:431
22152799267613,2659cyclictest302285-21kworker/0:0+events23:19:170
22152799267512,2657cyclictest252289-21kworker/0:0+events21:10:230
22152799266613,2648cyclictest304236-21kworker/0:2+events23:26:080
22153599266513,2648cyclictest282805-21kworker/2:1+events22:33:462
22153599266313,2647cyclictest263587-21kworker/2:0+events21:20:182
22153799265612,2640cyclictest326587-21kworker/3:2+events00:34:173
22153599265413,2637cyclictest263587-21kworker/2:0+events21:39:082
22153799265313,2636cyclictest291143-21kworker/3:0+events22:48:373
22152799265316,2634cyclictest305988-21kworker/0:0+events23:35:190
22153799264813,2633cyclictest219607-21kworker/3:1+events19:15:243
22153599264813,2631cyclictest241269-21kworker/2:0+events20:14:272
22152799264813,2631cyclictest297515-21kworker/0:2+events23:02:590
22153599263912,2624cyclictest248911-21kworker/2:2+events20:36:522
22152799263913,2622cyclictest252289-21kworker/0:0+events20:46:460
22153799263812,2623cyclictest227889-21kworker/3:1+events19:35:153
22153599263812,2622cyclictest234427-21kworker/2:2+events20:15:362
22152799263811,2623cyclictest242634-21kworker/0:1+events20:13:430
22153599262613,2609cyclictest315578-21kworker/2:1+events00:00:242
22153599262512,2609cyclictest269852-21kworker/2:1+events21:52:052
22153799262213,2606cyclictest295891-21kworker/3:1+events23:00:223
22153299262211,2607cyclictest252348-21kworker/1:1+events20:48:191
22152799262213,2605cyclictest299104-21kworker/0:1+events23:13:310
22152799261013,2593cyclictest265604-21kworker/0:1+events21:29:470
22152799259512,2579cyclictest244237-21kworker/0:2+events20:22:030
22153599258813,2569cyclictest297806-21kworker/2:2+events23:05:352
22152799258812,2572cyclictest294643-21kworker/0:0+events22:56:570
2215279925857,2574cyclictest299104-21kworker/0:1+events23:22:420
22153299258014,2562cyclictest258922-21kworker/1:2+events21:08:051
22152799257312,2557cyclictest279508-21kworker/0:0+events22:12:350
22152799257312,2557cyclictest268260-21kworker/0:2+events21:42:330
22152799257111,2556cyclictest224596-21kworker/0:0+events19:21:110
22152799257012,2554cyclictest271503-21kworker/0:0+events21:46:020
22152799257012,2554cyclictest245894-21kworker/0:1+events20:27:450
2215329925619,2548cyclictest317086-21kworker/1:0+events00:21:451
22152799256111,2549cyclictest252289-21kworker/0:0+events21:08:290
2215279925589,2545cyclictest231181-21kworker/0:0+events19:43:160
22153599255712,2542cyclictest302224-21kworker/2:2+events23:18:542
22152799255712,2542cyclictest323501-21kworker/0:2+events00:24:050
22152799255712,2541cyclictest299104-21kworker/0:1+events00:00:470
22152799255412,2538cyclictest231181-21kworker/0:0+events19:39:500
22152799255312,2538cyclictest245894-21kworker/0:1+events20:38:010
22152799255211,2537cyclictest227938-21kworker/0:2+events19:33:180
22152799255112,2535cyclictest281711-21kworker/0:2+events22:18:140
22152799255012,2534cyclictest279508-21kworker/0:0+events22:09:320
22152799254812,2532cyclictest299104-21kworker/0:1+events23:07:040
22152799254812,2532cyclictest227938-21kworker/0:2+events19:54:430
22152799254811,2533cyclictest312088-21kworker/0:0+events23:50:520
22152799254811,2533cyclictest273224-21kworker/0:1+events22:03:520
22152799254811,2533cyclictest263738-21kworker/0:0+events21:22:340
22152799254811,2533cyclictest213509-21kworker/0:2+events19:13:500
22152799254712,2532cyclictest299104-21kworker/0:1+events23:34:340
2215279925447,2533cyclictest323501-21kworker/0:2+events00:31:360
22153599253812,2522cyclictest252320-21kworker/2:1+events20:46:232
22153599253710,2523cyclictest242941-21kworker/2:1+events20:30:492
22153299252712,2511cyclictest304354-21kworker/1:2+events23:27:181
22152799252512,2509cyclictest325097-21kworker/0:0+events00:36:350
22152799252412,2509cyclictest233198-21kworker/0:1+events19:55:290
22152799252312,2507cyclictest224596-21kworker/0:0+events19:27:390
22152799252012,2504cyclictest239171-21kworker/0:0+events20:17:070
22153799251813,2502cyclictest249005-21kworker/3:1+events20:32:463
22153299251812,2502cyclictest281238-21kworker/1:1+events22:16:211
22152799251812,2502cyclictest249094-21kworker/0:2+events20:43:220
22153299251612,2500cyclictest320353-21kworker/1:1+events00:30:521
22152799251412,2498cyclictest299104-21kworker/0:1+events23:47:020
22152799251411,2499cyclictest273224-21kworker/0:1+events21:52:280
22152799251311,2498cyclictest249094-21kworker/0:2+events20:34:150
22152799251212,2496cyclictest281711-21kworker/0:2+events22:31:550
22153799250912,2493cyclictest312584-21kworker/3:1+events23:51:383
22153799250912,2493cyclictest281327-21kworker/3:2+events22:14:073
22153299250712,2491cyclictest287668-21kworker/1:0+events22:42:521
22153299250610,2493cyclictest252348-21kworker/1:1+events20:59:461
22152799250312,2487cyclictest258744-21kworker/0:1+events21:17:140
22153799250012,2484cyclictest300886-21kworker/3:2+events23:27:413
22153599250012,2484cyclictest307476-21kworker/2:1+events23:36:032
22152799249512,2480cyclictest273224-21kworker/0:1+events21:55:520
22153799249410,2480cyclictest300886-21kworker/3:2+events23:14:173
22153599249412,2479cyclictest318930-21kworker/2:2+events00:24:262
22153299249413,2479cyclictest234397-21kworker/1:1+events19:55:071
22153299249412,2478cyclictest237663-21kworker/1:2+events20:02:461
22153799249311,2478cyclictest262098-21kworker/3:0+events21:19:303
22152799249312,2478cyclictest287549-21kworker/0:1+events22:49:450
22153799249111,2476cyclictest262098-21kworker/3:0+events21:52:493
22152799249012,2474cyclictest257125-21kworker/0:2+events20:58:390
22153799248912,2474cyclictest223691-21kworker/3:2+events19:41:473
22153799248912,2473cyclictest312584-21kworker/3:1+events00:28:553
22153799248912,2473cyclictest242663-21kworker/3:2+events20:23:333
22152799248912,2473cyclictest310400-21kworker/0:2+events23:41:210
22153799248811,2474cyclictest281327-21kworker/3:2+events22:36:033
22153799248811,2473cyclictest308898-21kworker/3:1+events23:41:453
22153799248612,2470cyclictest257334-21kworker/3:1+events21:13:233
22153799248611,2471cyclictest223691-21kworker/3:2+events19:21:563
22153799248510,2472cyclictest232890-21kworker/3:0+events19:45:113
22153299248512,2469cyclictest317086-21kworker/1:0+events00:14:081
2215379924838,2471cyclictest281327-21kworker/3:2+events22:22:263
2215379924838,2471cyclictest281327-21kworker/3:2+events22:22:263
22153799248312,2468cyclictest305810-21kworker/3:0+events23:36:503
2215379924825,2473cyclictest242663-21kworker/3:2+events20:26:373
22153799248212,2467cyclictest263705-21kworker/3:1+events21:24:073
22153799248212,2467cyclictest262098-21kworker/3:0+events22:17:523
22153799248211,2467cyclictest223691-21kworker/3:2+events19:34:053
22152799248012,2465cyclictest239171-21kworker/0:0+events20:04:340
22153299247911,2465cyclictest221052-21kworker/1:2+events19:28:451
22153599247612,2460cyclictest325131-21kworker/2:0+events00:29:192
2215329924727,2461cyclictest271439-21kworker/1:2+events21:43:191
22153299247212,2457cyclictest308807-21kworker/1:0+events23:49:441
22153299247212,2457cyclictest297484-21kworker/1:0+events23:20:481
22153299247212,2456cyclictest242813-21kworker/1:2+events20:19:231
2215329924713,2464cyclictest234397-21kworker/1:1+events19:48:591
22153299247012,2454cyclictest239295-21kworker/1:1+events20:06:271
22153299247011,2455cyclictest246119-21kworker/1:3+events20:28:541
22153299246910,2455cyclictest310552-21kworker/1:1+events23:43:161
22153299246811,2455cyclictest306050-21kworker/1:3+events23:35:391
22153299246811,2453cyclictest317086-21kworker/1:0+events00:08:041
22152799246812,2452cyclictest213509-21kworker/0:2+events19:18:300
2215329924678,2456cyclictest312303-21kworker/1:2+events23:53:321
2215329924678,2455cyclictest234397-21kworker/1:1+events19:52:011
22153299246712,2452cyclictest281238-21kworker/1:1+events22:37:581
22153299246612,2450cyclictest306050-21kworker/1:3+events23:31:511
22153299246512,2451cyclictest320353-21kworker/1:1+events00:35:021
22153299246412,2449cyclictest221052-21kworker/1:2+events19:42:531
2215359924617,2451cyclictest291291-21kworker/2:2+events22:51:362
22153299246010,2446cyclictest263460-21kworker/1:2+events21:16:511
22153599245911,2445cyclictest261951-21kworker/2:1+events21:14:562
22153299245912,2444cyclictest281238-21kworker/1:1+events22:12:591
22153299245712,2443cyclictest282932-21kworker/1:0+events22:20:551
22153299245712,2443cyclictest282932-21kworker/1:0+events22:20:551
22153799245011,2436cyclictest223691-21kworker/3:2+events19:56:593
2215359924507,2440cyclictest213287-21kworker/2:0+events19:20:462
22153599244810,2435cyclictest291291-21kworker/2:2+events22:48:592
22153299244810,2435cyclictest281238-21kworker/1:1+events22:28:311
22153299244612,2430cyclictest279355-21kworker/1:2+events22:09:541
22153299244512,2427cyclictest274796-21kworker/1:0+events21:58:071
22153299244211,2428cyclictest287668-21kworker/1:0+events22:49:221
22153299244012,2424cyclictest257096-21kworker/1:0+events21:00:511
2215359924388,2426cyclictest224754-21kworker/2:2+events19:19:172
2215379924358,2423cyclictest257334-21kworker/3:1+events21:08:513
22153799243211,2418cyclictest267034-21kworker/3:1+events21:38:473
22153599243110,2418cyclictest318930-21kworker/2:2+events00:10:202
2215359924268,2415cyclictest302224-21kworker/2:2+events23:21:572
22153599242612,2410cyclictest274708-21kworker/2:0+events22:17:062
22153599242611,2412cyclictest307476-21kworker/2:1+events23:42:092
2215359924258,2414cyclictest226409-21kworker/2:1+events19:26:292
22153599242512,2409cyclictest269852-21kworker/2:1+events21:42:092
22153599242512,2409cyclictest228054-21kworker/2:2+events19:37:132
22153599242111,2408cyclictest282805-21kworker/2:1+events22:25:072
22153799242011,2405cyclictest310726-21kworker/3:2+events23:48:123
22153599242012,2404cyclictest228054-21kworker/2:2+events19:31:482
22153599241912,2404cyclictest241269-21kworker/2:0+events20:09:522
22153599241912,2404cyclictest218119-21kworker/2:1+events19:12:222
22153299241912,2404cyclictest269792-21kworker/1:1+events21:50:561
22153599241711,2400cyclictest257422-21kworker/2:2+events21:34:192
22153599241512,2400cyclictest299406-21kworker/2:1+events23:11:362
22153299241512,2401cyclictest260529-21kworker/1:0+events21:30:341
22153599241412,2398cyclictest312154-21kworker/2:0+events23:49:222
22153599241212,2396cyclictest246072-21kworker/2:0+events20:26:162
22153599241111,2396cyclictest325131-21kworker/2:0+events00:34:422
22153799240711,2393cyclictest291143-21kworker/3:0+events22:55:483
22153799240711,2392cyclictest300886-21kworker/3:2+events23:17:003
22153599240712,2392cyclictest310520-21kworker/2:2+events23:57:452
22153799240512,2389cyclictest237875-21kworker/3:0+events20:12:093
22153299240512,2391cyclictest244417-21kworker/1:0+events20:20:081
22153299240510,2391cyclictest246119-21kworker/1:3+events20:44:051
22153799240412,2388cyclictest274679-21kworker/3:2+events21:57:213
22153799240312,2388cyclictest234519-21kworker/3:1+events19:53:343
22153799240311,2389cyclictest312584-21kworker/3:1+events00:16:463
22153799240212,2386cyclictest262098-21kworker/3:0+events21:33:333
22153799240012,2385cyclictest305810-21kworker/3:0+events23:30:213
22153799240012,2384cyclictest262098-21kworker/3:0+events21:46:493
22153599240012,2384cyclictest276400-21kworker/2:1+events22:00:242
22153799239912,2384cyclictest312584-21kworker/3:1+events00:13:463
22153799239912,2383cyclictest250603-21kworker/3:0+events21:03:283
22153799239811,2383cyclictest326587-21kworker/3:2+events00:37:233
22153599239812,2382cyclictest304173-21kworker/2:1+events23:26:542
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