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2026-05-31 - 19:05

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 Sun May 31, 2026 00:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209880899329915,3281cyclictest2132541-21kworker/0:2+events20:55:160
20988149931466,3136cyclictest2183478-21kworker/2:0+events23:35:212
209881899308914,3070cyclictest2200954-21kworker/3:1+events00:30:173
209880899303415,3016cyclictest2146622-21kworker/0:2+events21:45:120
209881499302014,3004cyclictest2169132-21kworker/2:0+events23:00:182
209881899295714,2939cyclictest2148573-21kworker/3:1+events21:55:093
209881899294014,2922cyclictest2196733-21kworker/3:0+events00:25:163
209881899293313,2915cyclictest2130297-21kworker/3:2+events21:05:123
209881099285714,2837cyclictest2180739-21kworker/1:2+events23:50:151
209881099284013,2823cyclictest2135764-21kworker/1:1+events21:25:421
20988089928347,2823cyclictest2180566-21kworker/0:1+events23:25:000
209881899281910,2807cyclictest2138815-21kworker/3:1+events21:25:193
209880899281313,2796cyclictest2137038-21kworker/0:1+events21:06:430
209881099280413,2787cyclictest2143776-21kworker/1:0+events21:31:281
209881499280313,2786cyclictest2196314-21kworker/2:0+events00:24:292
209881099280313,2786cyclictest2148480-21kworker/1:0+events21:44:491
209881099280211,2787cyclictest2135764-21kworker/1:1+events21:16:371
209881499280113,2784cyclictest2127961-21kworker/2:1+events20:43:592
209880899280013,2783cyclictest2118090-21kworker/0:0+events20:14:290
209880899279913,2782cyclictest2177066-21kworker/0:2+events23:28:050
209880899279313,2776cyclictest2116467-21kworker/0:2+events20:05:280
209881499279012,2774cyclictest2121194-21kworker/2:2+events20:19:222
209881499278712,2770cyclictest2138848-21kworker/2:2+events21:30:192
209880899277612,2760cyclictest2172152-21kworker/0:0+events23:13:310
209881499276812,2753cyclictest2169132-21kworker/2:0+events23:05:132
209881499276313,2746cyclictest2172713-21kworker/2:2+events23:15:262
209881499276011,2745cyclictest2116787-21kworker/2:1+events20:06:122
209881499275413,2737cyclictest2126176-21kworker/2:0+events20:37:282
209881899274413,2728cyclictest2124630-21kworker/3:1+events20:35:143
209881899273513,2718cyclictest2110418-21kworker/3:2+events19:45:163
209880899272912,2713cyclictest2129188-21kworker/0:0+events20:54:130
209881899272413,2707cyclictest2161053-21kworker/3:0+events22:22:303
209881899272213,2705cyclictest2138815-21kworker/3:1+events21:20:233
209881899271913,2700cyclictest2155032-21kworker/3:0+events22:09:593
209881899271912,2704cyclictest2189771-21kworker/3:2+events23:55:143
209881899271713,2700cyclictest2140803-21kworker/3:2+events21:43:183
209881899271112,2695cyclictest2124630-21kworker/3:1+events20:44:223
209881899270910,2695cyclictest2122970-21kworker/3:0+events20:24:393
209881099270912,2693cyclictest2158242-21kworker/1:0+events22:42:211
209881899270813,2691cyclictest2202589-21kworker/3:2+events00:36:243
209881099270614,2689cyclictest2154972-21kworker/1:1+events22:15:171
209881899270013,2683cyclictest2099950-21kworker/3:1+events19:29:463
209881099269413,2677cyclictest2146093-21kworker/1:2+events21:50:121
209881099268113,2663cyclictest2180739-21kworker/1:2+events00:00:111
209880899268112,2665cyclictest2155002-21kworker/0:0+events22:06:070
209880899268011,2665cyclictest2124988-21kworker/0:1+events20:31:510
209881499267913,2663cyclictest2148394-21kworker/2:2+events21:43:412
209880899267913,2662cyclictest2119688-21kworker/0:2+events20:15:130
209881499266512,2649cyclictest2122879-21kworker/2:0+events20:22:432
209880899266112,2645cyclictest2129188-21kworker/0:0+events21:02:100
209880899266112,2645cyclictest2129188-21kworker/0:0+events21:02:100
209881499266013,2643cyclictest2127961-21kworker/2:1+events21:01:472
209881499266013,2643cyclictest2127961-21kworker/2:1+events21:01:462
209881099266012,2646cyclictest2167616-21kworker/1:1+events22:45:041
209881899265211,2637cyclictest2143379-21kworker/3:0+events21:39:033
209880899264112,2625cyclictest2185052-21kworker/0:1+events23:40:210
209881499263613,2619cyclictest2150117-21kworker/2:1+events21:51:452
209880899263613,2619cyclictest2127504-21kworker/0:2+events20:41:400
209881099262710,2614cyclictest2105089-21kworker/1:1+events19:32:481
209881099262113,2605cyclictest2135764-21kworker/1:1+events21:35:181
209881899261412,2598cyclictest2169163-21kworker/3:2+events23:11:373
209881099260012,2584cyclictest2186889-21kworker/1:0+events23:44:541
209880899259110,2577cyclictest2123031-21kworker/0:0+events20:28:030
209881099257912,2564cyclictest2121499-21kworker/1:1+events20:54:551
209880899257912,2563cyclictest2151723-21kworker/0:1+events21:59:200
209881099257812,2563cyclictest2127534-21kworker/1:0+events20:39:231
209880899257812,2562cyclictest2130858-21kworker/0:1+events20:48:330
209881099257711,2562cyclictest2170527-21kworker/1:0+events22:54:591
209880899257712,2562cyclictest2196251-21kworker/0:2+events00:17:580
209881099257612,2562cyclictest2121499-21kworker/1:1+events20:25:001
209881099257612,2560cyclictest2118183-21kworker/1:2+events20:09:341
209881099257612,2560cyclictest2100124-21kworker/1:2+events19:22:131
209881099257512,2561cyclictest2186889-21kworker/1:0+events00:10:011
209880899257512,2560cyclictest2177066-21kworker/0:2+events23:34:350
209881099257412,2558cyclictest2186889-21kworker/1:0+events23:58:411
209881099257312,2557cyclictest2154972-21kworker/1:1+events22:09:351
209880899257312,2557cyclictest2190039-21kworker/0:0+events00:39:220
209880899257312,2557cyclictest2190039-21kworker/0:0+events00:29:540
209880899257312,2557cyclictest2183449-21kworker/0:0+events23:38:260
209880899257312,2557cyclictest2153383-21kworker/0:2+events22:03:500
209880899257311,2559cyclictest2111874-21kworker/0:1+events20:03:350
209880899257311,2558cyclictest2151723-21kworker/0:1+events22:11:080
209880899257212,2556cyclictest2164618-21kworker/0:0+events22:39:400
209880899257210,2559cyclictest2172152-21kworker/0:0+events23:01:500
209881099257110,2557cyclictest2121499-21kworker/1:1+events20:21:141
209881099257012,2555cyclictest2135764-21kworker/1:1+events21:11:361
20988109925699,2556cyclictest2119839-21kworker/1:0+events20:16:191
209880899256910,2555cyclictest2146622-21kworker/0:2+events21:37:560
209881099256812,2552cyclictest2110389-21kworker/1:1+events19:54:011
209881099256811,2554cyclictest2186889-21kworker/1:0+events00:06:581
209880899256812,2552cyclictest2111874-21kworker/0:1+events19:58:370
209881099256712,2551cyclictest2158242-21kworker/1:0+events22:29:211
209881099256612,2550cyclictest2175435-21kworker/1:2+events23:13:071
209881099256612,2550cyclictest2100124-21kworker/1:2+events19:47:361
209880899256612,2550cyclictest2167645-21kworker/0:1+events22:47:230
209881099256512,2549cyclictest2135764-21kworker/1:1+events21:05:331
209881099255812,2542cyclictest2175435-21kworker/1:2+events23:08:341
209880899255612,2540cyclictest2172152-21kworker/0:0+events23:07:050
209881099255512,2539cyclictest2100124-21kworker/1:2+events19:44:101
209880899255310,2539cyclictest2119688-21kworker/0:2+events20:23:530
209880899255210,2538cyclictest2159455-21kworker/0:0+events22:17:550
209880899255112,2536cyclictest2186766-21kworker/0:2+events23:48:410
209881099254911,2534cyclictest2105089-21kworker/1:1+events19:35:271
209881099254812,2532cyclictest2186889-21kworker/1:0+events00:18:201
209881099254611,2531cyclictest2121499-21kworker/1:1+events20:46:381
209881499254413,2527cyclictest2124510-21kworker/2:2+events20:31:042
209881099254411,2527cyclictest2173835-21kworker/1:1+events23:04:051
209880899254411,2530cyclictest2177066-21kworker/0:2+events23:16:570
209881899254312,2527cyclictest2110418-21kworker/3:2+events20:01:203
209881499254310,2529cyclictest2151785-21kworker/2:0+events22:11:532
209881099254013,2523cyclictest2110389-21kworker/1:1+events20:03:111
209881499253611,2521cyclictest2161202-21kworker/2:0+events22:37:002
209880899253612,2520cyclictest2108583-21kworker/0:1+events19:40:460
209881499253212,2517cyclictest2165864-21kworker/2:2+events22:46:352
209881499252912,2514cyclictest2132304-21kworker/2:2+events20:51:322
209881499252912,2513cyclictest2146505-21kworker/2:0+events21:36:512
209880899252913,2512cyclictest2162711-21kworker/0:0+events22:29:430
209881499252812,2512cyclictest2134082-21kworker/2:0+events21:18:062
20988149925279,2515cyclictest2151785-21kworker/2:0+events22:05:232
209881499252712,2511cyclictest2103553-21kworker/2:1+events19:46:492
209880899252711,2512cyclictest2098449-21kworker/0:0+events19:18:490
209881499252612,2511cyclictest2110313-21kworker/2:2+events19:59:472
209881499252612,2510cyclictest2103553-21kworker/2:1+events19:38:062
209881099252612,2510cyclictest2138663-21kworker/1:2+events21:24:101
209881099252512,2509cyclictest2156576-21kworker/1:2+events22:10:451
209880899252311,2508cyclictest2146622-21kworker/0:2+events21:40:370
209881499252212,2506cyclictest2202649-21kworker/2:0+events00:37:082
209881499252012,2504cyclictest2103553-21kworker/2:1+events19:22:342
209881499251512,2499cyclictest2188525-21kworker/2:2+events23:59:262
209881899251411,2499cyclictest2162680-21kworker/3:1+events22:27:483
20988149925145,2506cyclictest2161202-21kworker/2:0+events22:23:352
209880899251312,2497cyclictest2188435-21kworker/0:1+events23:57:550
209881899251212,2496cyclictest2153352-21kworker/3:2+events22:13:053
209881499251112,2496cyclictest2138848-21kworker/2:2+events21:24:342
209881499251012,2494cyclictest2165864-21kworker/2:2+events22:44:402
209881499250912,2493cyclictest2116787-21kworker/2:1+events20:29:352
209881499250712,2492cyclictest2127961-21kworker/2:1+events20:45:512
209881099250611,2492cyclictest2121499-21kworker/1:1+events20:34:531
209881899250510,2491cyclictest2124630-21kworker/3:1+events20:34:293
209881499250210,2488cyclictest2198331-21kworker/2:1+events00:32:552
20988089925018,2491cyclictest2156712-21kworker/0:2+events22:32:010
209881499249812,2483cyclictest2138848-21kworker/2:2+events21:28:022
209881499249511,2480cyclictest2127961-21kworker/2:1+events21:11:582
209881899249412,2478cyclictest2113294-21kworker/3:0+events19:53:383
209880899249412,2480cyclictest2201228-21kworker/0:2+events00:31:470
209881099249312,2479cyclictest2100124-21kworker/1:2+events19:55:101
209880899249312,2477cyclictest2186766-21kworker/0:2+events23:53:170
209881499249212,2476cyclictest2186920-21kworker/2:0+events23:46:262
209881099249212,2476cyclictest2121499-21kworker/1:1+events20:42:031
209880899249212,2476cyclictest2167645-21kworker/0:1+events22:58:460
209881099249112,2477cyclictest2161083-21kworker/1:2+events22:30:071
209880899249112,2475cyclictest2100212-21kworker/0:2+events19:47:580
209881899249012,2475cyclictest2148573-21kworker/3:1+events22:01:573
209881099249012,2474cyclictest2185208-21kworker/1:1+events23:39:341
209881899248912,2474cyclictest2183570-21kworker/3:0+events23:45:173
209881099248912,2473cyclictest2178680-21kworker/1:1+events23:29:581
209881099248910,2475cyclictest2134141-21kworker/1:2+events21:03:171
209881099248910,2475cyclictest2134141-21kworker/1:2+events21:03:171
209880899248911,2474cyclictest2138636-21kworker/0:0+events21:34:540
209881899248812,2472cyclictest2165930-21kworker/3:0+events22:43:313
209881099248812,2472cyclictest2146093-21kworker/1:2+events21:45:331
209880899248812,2473cyclictest2167645-21kworker/0:1+events22:53:280
209880899248812,2472cyclictest2137038-21kworker/0:1+events21:13:070
209881899248712,2472cyclictest2130297-21kworker/3:2+events20:46:153
209881099248711,2472cyclictest2093807-21kworker/1:1+events19:19:361
209881899248612,2472cyclictest2110418-21kworker/3:2+events20:25:473
209881899248612,2470cyclictest2150179-21kworker/3:0+events21:50:363
209881099248611,2472cyclictest2132453-21kworker/1:0+events20:56:261
209881899248512,2470cyclictest2161053-21kworker/3:0+events22:31:143
209881099248512,2470cyclictest2170527-21kworker/1:0+events22:58:001
209881099248511,2472cyclictest2186889-21kworker/1:0+events00:30:411
209881899248412,2469cyclictest2099950-21kworker/3:1+events19:18:263
209881899248412,2468cyclictest2193028-21kworker/3:2+events00:03:323
209881899248412,2468cyclictest2130297-21kworker/3:2+events21:01:003
209881899248412,2468cyclictest2130297-21kworker/3:2+events21:01:003
209881899248412,2468cyclictest2130297-21kworker/3:2+events20:56:493
209881899248410,2470cyclictest2183570-21kworker/3:0+events23:32:413
20988189924837,2472cyclictest2199346-21kworker/3:2+events00:22:083
209881899248312,2469cyclictest2130297-21kworker/3:2+events21:10:053
209881899248310,2469cyclictest2101984-21kworker/3:2+events19:23:423
209881099248312,2467cyclictest2186889-21kworker/1:0+events00:27:341
209881099248312,2467cyclictest2180739-21kworker/1:2+events23:46:471
209881099248312,2467cyclictest2178680-21kworker/1:1+events23:20:261
209881099248312,2467cyclictest2158242-21kworker/1:0+events22:21:231
209880899248311,2469cyclictest2100212-21kworker/0:2+events19:39:380
209881899248212,2467cyclictest2165930-21kworker/3:0+events22:48:303
209881899248212,2466cyclictest2193028-21kworker/3:2+events00:05:253
209881899248211,2467cyclictest2113294-21kworker/3:0+events19:55:563
209881899248210,2469cyclictest2169163-21kworker/3:2+events22:52:413
209881099248212,2466cyclictest2119839-21kworker/1:0+events20:14:511
209881099248211,2467cyclictest2180739-21kworker/1:2+events23:31:541
209880899248212,2467cyclictest2124988-21kworker/0:1+events20:37:050
20988189924819,2470cyclictest2108797-21kworker/3:1+events19:40:013
209881899248112,2466cyclictest2140803-21kworker/3:2+events21:45:583
209881899248112,2465cyclictest2110418-21kworker/3:2+events20:12:583
209880899248112,2467cyclictest2105388-21kworker/0:0+events19:30:090
209881899248012,2465cyclictest2180326-21kworker/3:1+events23:26:343
209880899248011,2465cyclictest2190039-21kworker/0:0+events00:06:340
209880899247912,2463cyclictest2100212-21kworker/0:2+events19:29:240
209881499247810,2464cyclictest2200926-21kworker/2:2+events00:26:502
209880899247812,2462cyclictest2100212-21kworker/0:2+events19:24:070
209881499247712,2462cyclictest2151785-21kworker/2:0+events22:00:292
20988189924763,2470cyclictest2116497-21kworker/3:1+events20:05:493
209880899247612,2461cyclictest2192999-21kworker/0:2+events00:03:120
209881899247512,2460cyclictest2196733-21kworker/3:0+events00:18:453
209881099247512,2460cyclictest2186889-21kworker/1:0+events00:23:201
209881899247412,2458cyclictest2169163-21kworker/3:2+events23:20:493
209881499246912,2453cyclictest2188525-21kworker/2:2+events00:15:392
20988089924689,2456cyclictest2111874-21kworker/0:1+events19:51:210
209881099246511,2451cyclictest2100124-21kworker/1:2+events19:14:411
209881899246412,2449cyclictest2106876-21kworker/3:2+events19:34:213
209881099246412,2448cyclictest2158242-21kworker/1:0+events22:38:101
209881899246312,2447cyclictest2172364-21kworker/3:1+events23:03:203
209880899245912,2444cyclictest2156712-21kworker/0:2+events22:21:470
209880899245911,2446cyclictest2190039-21kworker/0:0+events00:12:140
209881899245712,2442cyclictest2106876-21kworker/3:2+events19:35:503
209881499245511,2440cyclictest2093701-21kworker/2:2+events19:25:142
209881499245412,2439cyclictest2159574-21kworker/2:1+events22:18:172
209881099245211,2438cyclictest2146093-21kworker/1:2+events22:01:351
209880899245111,2436cyclictest2092236-21kworker/0:1+events19:12:450
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209881499244712,2432cyclictest2161202-21kworker/2:0+events22:25:532
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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